Manuel d'utilisation / d'entretien du produit 46A du fabricant Agilent Technologies
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Service Guide Publication Number 5 4845-97008 February 2001 This manual appl ies di rectly t o Infin iium oscilloscop es with serial n umber prefixe s: • XX3625 through XX4106 and above for in forma tion about seri al numbe rs, se e “Ins trum ents C overe d by thi s Gui de” in sectio n 1.
ii The Agilent Technologies Infin iium Oscilloscope Mode l 54835A/45A/46A at a Glance Ease of use wit h high perform ance The Agile nt Techno logi es Infinii um oscill oscopes combi ne unpre cedent ed.
iii Floppy Di sk Drive Power Acq uisit ion and genera l c ontro ls Horizo ntal cont rols Displa y and Grap hica l Interfac e Marker and Qu ick Measur ements Ve rtic al Contr ols Vertical Inputs Au xil.
iv In This Boo k This book provide s the service documen tation fo r the A gilent Techno logies 5 4835A/45 A/46A osci llos cope . It is divid ed in to eight chap ters . Chapte r 1 pro vides gener al inf orma tion and s pecif icat ion s. Chap ter 2 sho ws yo u how to p rep are t he os cill oscope for use.
Contents-1 Contents Contents 1 1 General Informa tion 1-2 Instruments co vered by thi s service gui de 1-2 Accessories suppli ed 1-3 Options available 1-4 Accessories available 1-5 Specifications &.
Cont ents Contents–2 Mainframe Cal Factor Memory Error 4-2 Operating H ints 4-3 Loading Default Oscill oscope Settin gs 4-3 Loading New So ftware 4-3 Cali bra tio n P ro cedu re s 4 -3 To check the .
Cont ents Conten ts–3 To remov e and replace the f loppy disk drive 6-21 To remov e and replace the m otherboard 6-21 To remov e and replace the p ower supply 6-24 To remove and replace the f an 6-2.
1 Instru ments covered by this se rvice g uide 1-2 Acces sories suppl ied 1-3 Optio ns a vailab le 1-4 Access ories avail able 1-5 Specificati ons & charact eristics 1-7 Agilent Te chnol ogies 548.
1–2 General Information This chapter of the A gilent T echnologies Infiniium Oscill oscope Ser vice Gui de g i v e s you general information about the instrume nt.
Chapter 1: Ge neral I nform ation Accessories supp lied 1–3 Accessories supplied The follo wing acce ssor ies are s uppli ed. • Agilent Mo use, Agilent P/N C3751-60 201 • Agilent Mo use Pad, Agi.
Chapter 1: Ge neral Info rmation Options available 1–4 Options available The fo llowi ng op tions are ava ilabl e for the Agil ent T echnolo gies I nfin iium os cillo scop e. Table 1-2 Agilent Technologies In finiium Oscilloscope Mode l 54835A/45A/46A Options Other optio ns are avail able .
Chapter 1: Ge neral I nform ation Accessories avai lable 1–5 Accessories ava ilable The f ollow ing acces sories are ava ilable for use w ith t he Agile nt Tec hnolo gies Infin iium oscilloscope.
Chapter 1: Ge neral Info rmation Accessori es available 1–6 Agilen t E261 2A Touchpad P ointi ng Dev ice Agilent E2625A Communic ation Ma sk Test Kit Agilent 54810-687 03 Service Kit (inclu des serv.
Chapter 1: Ge neral I nform ation Specific ations & c haracter istics 1–7 Specificati ons & characteris tics The fo llo wing tabl es l ist the pe rform ance spec ifica tio ns and op erati ng ch arac teris tic s for the Agilent Te chnol ogies 5483 5A/45A/46A oscill oscope.
Chapter 1: Ge neral Info rmation Specificatio ns & characte ristics 1–8 Vertica l Number of Chan nels 4 (simul tane ous acq uisit ion) Bandwi dth Analo g Band width ( -3dB) * 50 Ω : 1.0 GHz — Agilent 54835A 50 Ω : 1.5 GHz — Agilent 54845A 50 Ω : 2.
Chapter 1: Ge neral I nform ation Specific ations & c haracter istics 1–9 Horizontal Offset Acc urac y* 2 ± (1.0 0% of chann el of fset + 1% of full sc ale) at ful l-re soluti on cha nnel scale.
Chapter 1: Ge neral Info rmation Specificatio ns & characte ristics 1–10 Trigge r Sen sitivit y* 2 Internal dc to 100 MHz: 0. 5 div 100 MHz to 500 MH z: 1.0 div 500 MHz to 1 GHz: 1.5 div Auxili ary dc to 500 MHz: 300 mV pp Maxim um Input Voltag e* Auxil iary ± 1 5 V, CA T I Minimum P ulse Widt h (inte rnal, exte rnal) 500 ps at > 1.
Chapter 1: Ge neral I nform ation Specific ations & c haracter istics 1–11 Display Measu rem ents Displ ay 8.4-i nch di agon al color activ e matri x LCD mod ule inco rpo rati ng amorph ous silico n TFT s. Active Displ ay Area 171 mm x 128 mm (21,888 sq.
Chapter 1: Ge neral Info rmation Specificatio ns & characte ristics 1–12 FFT Comp uter S yst em/ St ora ge I/O Freque ncy Ra nge 5 Agil ent 54835A — 2-ch anne l mod e: dc to 2 G Hz (S ample ra.
Chapter 1: Ge neral I nform ation Specific ations & c haracter istics 1–13 Notes CAT I and CAT II Def initions Insta llati on categ ory (overvol tage c ategory ) I: Signa l leve l, spec ial equi pment o r part s of equipm ent , te lecom mun icatio n, elec troni c, et c.
Chapter 1: Ge neral Info rmation Agilent Technologies 54835A/45A/46A gen eral characteristics 1–14 Agilent Tec hnologies 5 4835A/45 A/46A g eneral c haracteris tics The Infin iium oscil loscopes me et the Agilen t Technolo gies Envir onmental Specificatio n (section 750) for c lass B-1 p roducts with exc eptions as descri bed for tempera ture.
Chapter 1: Ge neral I nform ation Agilent Tech nologies 54835A/45A/46A general characteristics 1–15.
Chapter 1: Ge neral Info rmation Recomm ended test equ ipment 1–16 Recommende d test equipme nt The f ollow ing t able is a list of th e te st e quipmen t requ ired t o tes t p erforma nce, calib rate and adjust, and trouble shoot this instrumen t.
2 Setting U p t he Oscil loscope 2-3 To insp ect the instru ment 2 -3 To co nnect po wer 2-4 To c onnect the mous e or othe r po intin g d evice 2-5 To attach the opti onal trackba ll 2-5 To con nec t.
2–2 Preparing for Use This chapter shows you how to prepare the Agi lent Technol ogies 548 35A/45A/46A oscilloscop es for use. T he following areas are covere d in this sectio n. •I n s p e c t i o n •S e t u p • Connecting a signal •C l e a n i n g Following instrume nt setup is a brief section covering oscilloscope operation.
Chapter 2: Pr eparin g for Use To inspect th e instrum ent 2–3 Setting Up the Os cillosco pe This section w ill help you get the instrument ready to use.
Chapter 2: P reparing f or Use To con nect pow er 2–4 To connect power The i nstrumen t Pow er Fact or Cor rectio n (PFC) c ircui try in the o scil loscope’s p ower s upply operates over a line voltage in the range of 10 0 to 240 V ac ± 10 % (the power supply is aut orangi ng to t he inp ut v oltage and f reque ncy).
Chapter 2: Pr eparin g for Use To connect the mouse or oth er pointi ng device 2–5 To connect the mouse or oth er pointing device • Plug the mouse into the matching co nnector on the back panel of th e oscilloscope . The mous e is in clude d with t he oscill oscope , but usin g it is optional .
Chapter 2: P reparing f or Use To at tach t he op tiona l trac kball 2–6 2 While holding t he lat ch in, slide the metal tabs up and to the rear of the oscillos cope until t hey ful ly engage the slot. 3 Release the latch. The trackball baseplate should now be secure against the side of the oscill oscope.
Chapter 2: Pr eparin g for Use To connect the keyboar d 2–7 To connect the keyboard • Plug the keyboard cable into the matching connector on the back panel of the oscilloscop e. The keyboard simpl ifies access to some oscil losco pe functions, such as enterin g fil e nam es when you store waveforms and setups to the disk.
Chapter 2: P reparing f or Use To con nect osci llos co pe pr obe s 2–8 To connect oscilloscope probes 1 Attach the probe BNC connector to the desired osc illoscope channel or trig ger input. Push it s traight on until i t latches into pl ace. 2 Connect the probe to t he circuit of intere st usi ng grabbers or other pr obing aids.
Chapter 2: Pr eparin g for Use To co nne ct a p rint er 2–9 To connect a printer If you ha ve a para llel (Ce ntroni cs) prin ter, y ou will nee d a para llel printe r cable , such as an Agilent C295 0A (2 m ) or Agilen t C2951A (3 m) cable. Go to step 1 .
Chapter 2: P reparing f or Use To conn ect an ext ernal m onitor 2–10 5 Attach t he 25-pin “D” connector to t he serial input port of the print er. Tighten t he thumbscrews t o secure the cable. 6 Set the printer configur ation to use the serial interface.
Chapter 2: Pr eparin g for Use To tilt the oscilloscope upwa rd for easier viewing 2–11 To tilt the osc illoscope upward for easier vi ewing • If your o scilloscope has f ront feet with individual.
Chapter 2: P reparing f or Use To power on the oscillosco pe 2–12 To power on the oscilloscope • Depress the power switch at the lower left-hand corner of the oscilloscope front panel. After a shor t initia lizati on peri od, the osc illos cope display appears .
Chapter 2: Pr eparin g for Use To verify basic oscilloscope operation 2–13 To verify basic osci lloscope ope ration 1 Connect an os cilloscope probe to c hannel 1. 2 Attach t he probe to the cal ibration out put on the fr ont panel of the osci lloscope.
Chapter 2: P reparing f or Use To cle an th e in stru ment 2–14 To clean the instrument • Clean the oscill oscope with a soft cloth dampened with a mild soap and water solution. CAUT ION BE CAREFUL TO AVOI D DAMA GING COMP ONENT S! Do n ot use too muc h liq uid when clea ning the o sci llos cope.
3 Testin g Int er val 3-2 Equipm ent Requ ir ed 3-2 Self-T est Veri ficati on 3-2 Test Record 3-3 Opera ting Hint s 3-3 Specifications 3-3 Perfo rmance Test Pr oced ures 3-3 To te st t he d c cal ibra.
3–2 Testing Performance The procedur es in this sec tion test measurement performance usi ng Performance Specifications given in chapter 1 as performance standards.
Chapter 3: Test ing Perfo rmance 3–3 Test R ecord You can reco rd the results of the perfor mance tests in the Perform ance Test Record p r o v i d e d a t t h e e n d o f t h i s c h a p t e r . T h e P e r f o r m a n c e T e s t R e c o r d l i s t s t h e p e r f o r m a n c e tests and provides an area to mark test resul ts.
Chapt er 3 : T estin g Pe rfor manc e To test the dc calibrator 3–4 To test the dc calibrator The A ux Out BNC on the front pane l is used for self -cal ibrat ion a nd pro be ca librat ion. Thou gh calibrator accuracy i s not specified in the performance specifications, it must be within l imits in order to p rovide accura te self-cali bration.
Chapter 3: Test ing Perfo rmance To test th e dc calib rator 3–5 Figure 3-2 Select ing DC in the Ca librat ion Di alog 6 Set t he dc output voltag e to +2.5 00 V using the Lev el spin box or the numeric keypad dialog. You can acc ess the n umeri c ke ypad di alo g by clicki ng o n the value in the L evel box.
Chapt er 3 : T estin g Pe rfor manc e To test input resistance 3–6 To test input resistan ce This test checks the input resistance of the vertical input s. A four-wire measure ment is used to accu ratel y measu re th e 50- Ω and 1-M Ω inpu ts. Spec ific at ion : 1 M Ω ± 1% and 50 Ω ± 1.
Chapter 3: Test ing Perfo rmance To test voltage measurem ent accura cy 3–7 To test voltage measurement accur acy T h i s t e s t v e r i f i e s t h e v o l t a g e m e a s u r e m e n t a c c u r a c y o f t h e i n s t r u m e n t .
Chapt er 3 : T estin g Pe rfor manc e To test voltag e measuremen t accurac y 3–8 Figure 3-4 Volt age Measure men t Ac cura cy E quipm ent S etu p 2 Press Def ault Set up to set t he oscillos cope to defaul t condi tions. 3 Set all channels to d c using the Coupl ing key and to 1 M Ω inpu t imp edance usi ng the Input key.
Chapter 3: Test ing Perfo rmance To test voltage measurem ent accura cy 3–9 Below 10 mV/ div exp ans ion is used an d ful l sca le is d efin ed a s 8 0 mV . Th e range s from 2 to 9 mV/ div a re han dled in firmw are, an d wil l be wit hin s pecif icat ions when the 10 mV /div r ange i s wit hin s peci ficat ions.
Chapt er 3 : T estin g Pe rfor manc e To test voltag e measuremen t accurac y 3–10 Figure 3-7 Verti cal S caling a nd Offs et fo r Voltage Acc uracy Measu reme nt 11 With t he supply disconnec ted from the c hannel input, note the V avg mean r eading.
Chapter 3: Test ing Perfo rmance To test offset a ccuracy 3–11 To test offset accuracy This tes t che cks the verti cal offse t a ccur acy. Spec ific at ion : ± (1.00% of chann el offs et + 1% of full scale) at full -resol uti on chann el scal e Equi pmen t Requ ired Procedure 1 Connect the equipment.
Chapt er 3 : T estin g Pe rfor manc e To test o ffset accu racy 3–12 8 Set the s upply vol tage to 2.00 V as in the f irst row of the tabl e. Use the DVM to v erify the se tting.
Chapter 3: Test ing Perfo rmance To tes t ban dwi dth 3–13 To test bandwidth This tes t checks the ba ndwidth o f the osci lloscope . The Ag ilent 54845A band width at 1.5 GHz and the Ag ilent 54 846A band width at 2.25 GHz os cillosco pes are ch ecked usin g aliasin g since the tri gge r sp ecifi cati on o f th ese oscil lo scopes is 1 G Hz.
Chapt er 3 : T estin g Pe rfor manc e To tes t ban dwi dth 3–14 7 Sel ect V amptd from the Voltage submenu of the Measure menu. 8 Note the V amptd (1) reading at the bottom of t he screen. V 10MHz =___ _________ ___mV. 9 Set the power mete r Cal Factor % to the 10 MHz value from t he calibration chart on the power se nsor.
Chapter 3: Test ing Perfo rmance To tes t ban dwi dth 3–15 19 Repeat st eps 4 through 18 for the remaini ng channels, sett ing the parame ters of the channel bei ng tested wher e appropriat e. Real Time T est 20 Select Acquisit ion fro m the Se tup menu.
Chapt er 3 : T estin g Pe rfor manc e To te st time m easur ement ac curacy 3–16 To test time measurement accurac y This test uses a precise frequency source to check the accuracy of time measurement functions. Spec ific at ion Delta-t accuracy Equivalent Time : ( ≥ 16 ave rages) ± [(0.
Chapter 3: Test ing Perfo rmance To test time m easure ment acc uracy 3–17 8 Select horizontal from the setup mean. Se t the sca le to 5 ns/div, posit ion at –5 ns, and refer en ce to th e le ft.
Chapt er 3 : T estin g Pe rfor manc e To te st time m easur ement ac curacy 3–18 11 Select Equivalent Time sampling mode. Enable Ave raging a nd set the # Points to be averaged t o 16. Select Manual Memory Depth. Set the mem ory depth to 2004 p oints.
Chapter 3: Test ing Perfo rmance To test time m easure ment acc uracy 3–19 Figure 3-12 Measur ement Se ttin gs for Time Interv al Measu rement 15 Verify the period is 25 ns ± 44 ps, minim um 2 4.956 ns a nd maximum 25 .044 ns. Recor d the minimum and maximum reading s in the Perf ormance Test Rec ord.
Chapt er 3 : T estin g Pe rfor manc e To te st time m easur ement ac curacy 3–20 26 Clear measur ement stati stics as in step 18 an d restart the mea surement. 27 The del ta ti me rea ding should be 1 µ s ± 2 .595 ns, minimum 997.4 ns and maximum 1.
Chapter 3: Test ing Perfo rmance To test time m easure ment acc uracy 3–21 Real-Ti me Mode Proced ure This p rocedur e conti nues fr om t he previ ous one . 1 Change the s ignal genera tor frequen cy to 25.3 1646 MHz (39 .49999 ns pe riod). 2 Select Acquisit ion fro m the Se tup menu.
Chapt er 3 : T estin g Pe rfor manc e To te st time m easur ement ac curacy 3–22 7 Clear measur ements. 8 Select Pe riod from the Time submenu of the Measur e menu. 9 Period shou ld be the following. For Agilent 54835A: 39.50 ns ± 53 ps, minimum 39.
Chapter 3: Test ing Perfo rmance To test trigger sensitivity 3–23 To test trigger sensitiv ity This tes t che cks chan nel a nd e xtern al t rigg ers for s ensit ivit y at rat ed b and width. Spec ific at ion Equi pmen t Requ ired Intern al Trig ger Te st Perfo rm this tes t on all ver tica l cha nne ls.
Chapt er 3 : T estin g Pe rfor manc e To test trig ger sensi tivity 3–24 5 Turn on Channel 1 and tur n off all o ther chan nels. You can d o this by u sing the channel keys above each input BNC or by using the check boxes at the top of the wavefor m display area.
Chapter 3: Test ing Perfo rmance To test trigger sensitivity 3–25 17 Adjust t he horizontal sweep spee d to 1 ns/ div. 18 Adjust t he trigger level for a stabl e display. 19 The test passes if triggering is stable. Record the result in the Performance Test Record.
3–26.
3–27 Perf orma nce T est Rec ord Agilent Technologies Agilent Technologies 54835A/45A/46A Oscillo scope Model N umber ____ ____ _____ ______ __ Tes ted by___ ____ ____ _____ ___ Seri al Nu mber _ ____ _____ ____ _____ ____ ____ Work Orde r No .
3–28 Bandwi dth (50 Ω Input) Down from refere nce: Channel 1 Channel 2 Chan nel 3 Cha nnel 4 Equiva lent Ti me Agilent 54 835A <3. 0 dB at 1000 MHz Agilent 54 845A < 3.
4 Equipm ent Requ ir ed 4-2 Self C alib ratio n Inte rva l and H ardwa re A djust ments 4-2 Mainf rame Cal Fac tor M emor y Erro r 4-2 Opera ting Hint s 4-3 Loadi ng D efaul t Os cillo scop e Sett ing.
4–2 Calibrating and Adjusting This chapter provides firmwar e (self calibration) and hardware adjustment procedur es for the Agilent Technolo gies 5483 5A/45A/46A o scilloscope.
Chapte r 4: Ca librati ng an d Adjust ing 4–3 Oper ating Hints Some knowledge of operating the Agilent Technologies 54835A/45A/ 46A oscilloscope is helpful. H owever, proced ures are written so that little experi ence is necessary. The following hints will speed pr ogress of the procedures.
Chapter 4: C alibr ating and Adjusting To ch eck th e p owe r su pply 4–4 To check the power supply Ther e are no adjust men ts for the supp ly. P erfor m t his p rocedu re o nly if yo u su spect a powe r supply prob lem. Equi pmen t Requ ired Procedure 1 Disconnect the oscillosc ope power cord and rem ove the cover.
Chapte r 4: Ca librati ng an d Adjust ing To check the power supply 4–5 4 Connect the common lead of the voltmeter t o the GND test point . 5 Connect the posi tive l ead of the vol tmeter to the +5.
Chapter 4: C alibr ating and Adjusting To check the 715 Hz auxiliary outpu t (probe compensation squ arewave) 4–6 To check the 715 Hz a uxiliary outp ut (probe com pensation squarewave) This t est is optiona l. The 715 Hz auxilia ry output is not specif ied in the osci llos cope performanc e spec ificat ions.
Chapte r 4: Ca librati ng an d Adjust ing To check the flat panel display (FPD) 4–7 To check the flat pa nel display (FPD) No equ ipme nt is requ ired for this pro cedur e. Spe cific atio ns f or fl at-p anel displ ays used in t he Infini ium o scill osco pe ar e show n i n the f ollowi ng t able.
Chapter 4: C alibr ating and Adjusting To check t he flat pane l display (FPD) 4–8 Figure 4-2 Start ing the Sc reen Te st 5 Click Sta rt. A new dialog appears with a series of radio b utton s that allow selection of different background color s. See figur e 4-3.
Chapte r 4: Ca librati ng an d Adjust ing To check the flat panel display (FPD) 4–9 Figure 4-3 Scree n Tes t 6 Select a color by clicking t he radio butt on for that color. 7 Carefull y check the col ored reg ion for pixels colored dif ferently t han the curre nt selecti on.
Chapter 4: C alibr ating and Adjusting To run th e self ca libration 4–10 To run the self calibration The s elf calib ratio n use s si gnals gene rat ed in the osci llosc ope t o ca libr ate c hannel sen siti vity, off sets, an d tri gger para mete rs.
Chapte r 4: Ca librati ng an d Adjust ing To run t he self calib ration 4–11 Figure 4-4 Calibra tion Dial og 4 Click Sta rt, then fol low the i nstruc tions on the screen.
4–12.
5 Safet y 5-2 Tools Required 5-2 ESD P recau tion s 5- 2 Keys trok e Con ven tio ns 5-2 Default Setup 5-3 To in stal l the fan sa fety s hield 5-3 To t rouble shoot the instr ument 5- 4 Primary Troub .
5–2 Troubles hooting This section provi des troubleshooting information for the Agilent Techno logies 5 4 8 3 5 A / 4 5 A / 4 6 A o s c i l l o s c o p e . T h e s e r v i c e s t r a t e g y o f t h i s i n s t r u m e n t i s r e p l a c e m e n t o f defective assemblie s.
Chapte r 5: T roublesho oting To install the fan safety shield 5–3 Default Set up A D efault Setup is provided to assure the instrument setup is in a known default state. The default setup prevents previous setups from interfering with the next test.
Chapter 5: Tr ouble shooting To troubleshoot the instrument 5–4 To troubleshoot the instr ument The tr oubl eshoo ting p roce dure is use d to is olat e pro blem s to a faulty ass embl y. Wh en you fin d the f aulty ass embly, u se t he dis assembl y a nd asse mbly p roce dures in ch apter 6 to repla ce th e assembly.
Chapte r 5: T roublesho oting To troublesh oot the inst rument 5–5 Prima ry Tr ouble Iso lati on Flo wchar t Primary Trouble Isolation Perform Power-Up Check Display Display on Screen? Run Scope Sel.
Chapter 5: Tr ouble shooting Primary Trouble Isol ation 5–6 Primary Tr ouble Isolation The act ions in the Prim ary Tro uble I solatio n are do ne wit hout disa ssem bling the inst rument . Interacti on of the fro nt panel with th e res t of t he ins trumen t and other indicato rs are used to help i denti fy the proble m area.
Chapte r 5: T roublesho oting Prima ry T rou ble Iso lat ion 5–7 C Run osci lloscope se lf-test s. 1 Enable the graphical interface. 2 Select Self Test from t he Utilities men u. 3 Select Sc ope Self Test s from the Se lf Test drop down list bo x. 4 Click the Start T est button and f ollow the in structions on the scre en.
Chapter 5: Tr ouble shooting Primary Trouble Isol ation 5–8 No Dis play Tr ouble I sola tio n Flowch art No Display Trouble Isolation Chart Remove cabinet and install fan guard Check fan connections and power-o n Fans running? Power LED Lit? Connect externa l monitor, cycle power , and check po wer up sequenc e Power-up displayed on ext.
Chapte r 5: T roublesho oting No Di spla y T rou ble Iso lati on 5–9 No Display Trouble Isola tion This troub le is olati on pro cedur e hel ps is ola te a pro blem to the asse mbl y le vel whe n ther e is n o displa y o n the flat- pa nel li quid cr ystal dis pla y sc reen .
Chapter 5: Tr ouble shooting No Display Tr ouble Isola tion 5–10 Table 5-1 Power-On S equenc e with Exter nal Monitor Connec ted Time Audible In dic ators Visib le In dic ators Descri ptio n Troub lesh oot ing 1 Powe r-on Powe r-on the ins trume nt an d lis ten for th e fan s and t he hard disk dr ive .
Chapte r 5: T roublesho oting No Di spla y T rou ble Iso lati on 5–11 4 HDD clic king* PC Po wer-O n Self Test (POST) memory test message on ex ternal moni tor. The HDD begins clicki ng* as i t is accessed by the sy stem. The extern al SVG A monit or shows th e POST mess ages.
Chapter 5: Tr ouble shooting No Display Tr ouble Isola tion 5–12 Power Supp ly Tr ouble I sola tion Flowch art Power Supply Trouble Isolation Check Power Supply Voltages Voltages OK? Check for displ.
Chapte r 5: T roublesho oting Power Sup pl y Tr oubl e Is olat ion 5–13 Power Supply Tr ouble Isol ation These trou ble iso latio n ins truct ions h elp is olat e the prob lem to the as sembl y leve l when the powe r sup ply is no t op erat ing.
Chapter 5: Tr ouble shooting Power Sup ply Troub le Isolat ion 5–14 C Replace any shorted a ssembly. You can locate the shorted assembly by dis conn ectin g assemb lies from the pow er supp ly, one at a ti me. Use the p ower supp ly d istrib ution cha rt in table 5-4 as a guid e to l oca ting the s hort ed assembly.
Chapte r 5: T roublesho oting Power Sup pl y Tr oubl e Is olat ion 5–15 E Check +15 V Bias and Remote Inhi bit cabl ing. If the osc illos cop e will not power up , check all cabl ing to trouble shoot a nd corre ct the pro blem.
Chapter 5: Tr ouble shooting To check pro be power ou tputs 5–16 To check probe power outpu ts Probe power out puts are o n the front pane l, sur round ing each BN C inp ut. Any f ailur e may be a probl em wit h the probe powe r and cont rol a ssemb ly, th e Auto Prob e flex cable W13, o r the probe powe r and con trol cable W12.
Chapte r 5: T roublesho oting To check th e keyboar d 5–17 To check the keyboar d Test Pro cedu re Use th is pro cedu re to veri fy c orrect keybo ard opera tion. 1 Enable the graph ical inte rface. 2 Select Se lf Test from the Utiliti es menu. 3 Select Knob and Key from the Self Test dr op down l ist box, then click S tart.
Chapter 5: Tr ouble shooting To check t he keyboard 5–18 Troublesh ooti ng Proc edure Use thi s p rocedu re o nly i f you enc ounter key fai lures in the ke yboard test p rocedu re. If any knobs fail , re place the keyboa rd a ssembl y. 1 Disconnect the power cord and remove the cove r.
Chapte r 5: T roublesho oting To chec k the LEDs 5–19 To check the LED s Use th e fol lowin g pr ocedur e to test the f ron t-pane l LED (ligh t-emi tting dio de) in dica tors. 1 Enable the graph ical inte rface. 2 Select Se lf Test from the Utiliti es menu.
Chapter 5: Tr ouble shooting To check t he LEDs 5–20 5 When you are f inished, click Close. If you see a fail ure w ith the Aut o or Tr ig’ d L EDs, chec k the volta ge at pin 6 o f W1 6, w ith W 16 disc onnect ed fr om the keybo ard. The v olta ge sho uld be as f ollow s: •0 V ± 0.
Chapte r 5: T roublesho oting To ch eck th e mo ther boa rd, CP U, a nd R AM 5–21 To check the motherboard , CPU, and RAM This proce dure veri fies t hat the P C sys tem b oar d and the a ssocia ted C PU and R AM are f u n c t i o n i n g .
Chapter 5: Tr ouble shooting To check t he SVGA displa y board video signa ls 5–22 To check the SVGA displa y board video sig nals The vi deo signals are checked on the 40-pin connector J103 on the SVGA displa y board A5. Use a 100-MHz, gener al-purpose oscillosco pe, such as the Ag ilent Techn ologies 54600 B, to verify the sig nals.
Chapte r 5: T roublesho oting To check the back light in verter volta ges 5–23 To check the backl ight inverter voltages The backli ght invert er board A3 is locate d in the front -left corner of the oscillosc ope (as you face the fro nt panel ). • The re i s on e in put c onne ctor on the s ide of the b oard .
Chapter 5: Tr ouble shooting POST Co de Listin g (AMI Mo therboar d only) 5–24 POST Code Listing (A MI Motherboard only) Use the fol lowing listi ng to troubles hoot the moth erboard . You will need a PO ST (Po wer-O n S elf Test) card insta ll ed in an ISA slot to use this list ing.
Chapte r 5: T roublesho oting POST Co de Listi ng (AMI Mo therboa rd only) 5–25 Uncompr essed I nitia lizat ion Co des The fol lowing run time checkpoi nt co des are lis ted in orde r of execut ion . These co des ar e uncompre ssed in F0000h shad ow R AM.
Chapter 5: Tr ouble shooting POST Co de Listin g (AMI Mo therboar d only) 5–26 2Eh Comple ted p ost-vi deo ROM t est proc essin g. If th e EGA /VGA con trol ler i s no t fo und, perf orming the dis play memo ry read /write test n ext. 2Fh T he EGA/V GA cont roller was not fo und.
Chapte r 5: T roublesho oting POST Co de Listi ng (AMI Mo therboa rd only) 5–27 57h T he A20 addres s li ne, p arit y, and the NM I ar e disa bled. A djus tin g the memo ry si ze depe ndin g on reloc ati on and sh adow ing next. 58h T he memory si ze was adjus tin g for rel ocatio n and shado wing .
Chapter 5: Tr ouble shooting POST Co de Listin g (AMI Mo therboar d only) 5–28 9Bh Returned afte r setting the R S-232 base addres s. Performi ng a ny requi red in itial izati on be fore the Coproc essor te xt nex t. 9Ch R equi red ini tiali zati on be for e the Cop roc essor te st is ov er.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–29 To configure the motherboard jumpers and set up the BIOS If th e BIOS sett ings b ecome cor rupte d, the In finii um osci llosc ope PC mot herbo ard wi ll not recogn ize th e hard dr ive an d the unit wil l not boo t.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–30 Configura tion 3—Series 757 mo therboard, 3 00 MHz CPU, and 1.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–31 Agilent Tec hnologies Ser vice Note Describes Up grade Details For improv ed performa nce and har d disk drive reli abilit y refer to Agilen t Technol ogies Servi ce Note 54810A-06.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–32 Configur ing the AMI Ser ies 727 M otherboard Jumpers Ther e are sev eral jum pers on t he mo ther board th at mu st be co nfigu red t o the corr ect s etti ngs for the A MD-K5-PR13 3 (100 MHz) m icroproce ssor.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–33 The ju mper s you mu st check a re J2, J1 1, J12, J21, J24, J25, J37, and J3 9. In ad ditio n, you ne ed t o e n s u r e t h a t t h e C P U f a n i s c o n n e c t e d t o J 4 6 o n c e t h e C P U i s i n s t a l l e d .
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–34 To configure the AMI Series 727 WINBIOS Parameters Use this procedure to set the motherboar d system setu p parameter s, also known as the WINBIOS setup.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–35 You can use the ke yboa rd in the WINB IOS set up to p erfor m vari ous f unction s. Ref er to this tabl e: WINB IOS Ke yboa rd Com mand s 6 Do the followi ng within the setup program: a Double-cl ick on Optimal Defaults.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–36 Table 5-7 Series 727 System Configuration Settings * These con figurati ons are onl y for instru ments with 64 Mb or more of RAM. 7 Exit the Setup program, sa ving the chang es you made.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–37 Configur ing th e AMI Series 757 Mot herbo ard for 200 MH z CPU Ther e are sev eral jum pers on t he mo ther board tha t mu st be co nfigu red t o the corr ect s etti ngs for th e AMD-K6 2 00 M Hz micro proces sor.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–38 The jum pers you must ch eck a re J5, J 6, J7, J8, J 14 and J15 .
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–39 To configure the AMI Series 757 WINBIOS Parame ters with 1.44 Mbyte floppy drive Use this procedure to set the motherboar d system setu p parameter s, also known as the WINBIOS setup.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–40 You c an use the ke yboar d in th e WINBIO S se tup to perfor m vario us fun ctio ns. Ref er to the follo wing tabl e: WINBIO S Keyboa rd Command s 6 Do the followi ng within the setup program : a Double-cl ick on Optimal Defau lts.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–41 7 Re-enter the WINBIOS to chang e one parameter that could not be set in ste p 6. a Pres s F1 to ente r t he BIOS Set up. b Double-cl ick o n Dete ct IDE Utility.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–42 Configur ing the AMI Ser ies 757 M otherbo ard for 30 0 MHz CPU Ther e are sev eral jum pers on t he mo ther board th at mu st be co nfigu red t o the corr ect s etti ngs f o r t h e A M D - K 6 3 0 0 M H z m i c r o p r o c e s s o r .
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–43 The jum pers you must ch eck a re J5, J 6, J7, J8, J 14 , J15 and J16 . Y ou must also in stall a 2 .2 V VRM modu le in the VR M socke t. In add ition , you need to ensure that the CPU fa n is connec ted to J13 onc e the CPU i s ins tal led.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–44 To configure the AMI Series 757 WINBIOS Paramete rs with 120 Mbyte floppy drive Use this procedure to set the motherboar d system setu p parameter s, also known as the WINBIOS setup.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–45 You can use the keybo ard in the WIN BIOS setup to pe rform vari ous f unct ions. Refe r to th e follo wing tabl e: WINB IOS Ke yboa rd Com mand s 6 Do the followi ng within the setup program: a Double-cl ick on Optimal Defaults.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–46 7 Re-enter the WINBIOS t o change one parameter that cou ld not be set in step 6. a Pres s F1 to ente r t he BIOS Set up. b Double-cl ick o n Dete ct IDE Utility.
Chapte r 5: T roublesho oting To configure the motherboard jumpers and set up the BIOS 5–47 Configur ing the FIC VA-503 A mother board swit ches fo r the 400 MHz CPU and 120 M byte f loppy driv e Th.
Chapter 5: Tr ouble shooting To co nfigu re t he mo th erb oar d jum per s and s et up the BI OS 5–48 To Configure the FIC Series VA-503A Moth erboard BI OS Paramet ers Use thi s proced ure to set the F IC VA-50 3A m other board BIOS. 1 Connect the power cable to the I nfiniium os cillo scope.
Chapte r 5: T roublesho oting To troubleshoo t the acquisitio n system 5–49 12 Under Inte grated Pe ripherals, change the se sett ings: When you are fi nished, press Esc to exit the menu. 13 Press F10 t o save and exi t the setup . Type “Y” to save c hanges.
Chapter 5: Tr ouble shooting To troublesho ot the acquisition syste m 5–50 Acquis ition T roubl e Iso lation ( 1 of 4).
Chapte r 5: T roublesho oting To troubleshoo t the acquisitio n system 5–51 Acqui sit ion Tro ubl e Isol ation (2 of 4).
Chapter 5: Tr ouble shooting To troublesho ot the acquisition syste m 5–52 Acquis ition T roubl e Iso lation ( 3 of 4).
Chapte r 5: T roublesho oting To troubleshoo t the acquisitio n system 5–53 Acqui sit ion Tro ubl e Isol ation (4 of 4) A A to D Convert er Failed Failur e of this test may involve failure in the Gain test.
Chapter 5: Tr ouble shooting To troublesho ot the acquisition syste m 5–54 B FISO fail ed When t his test fails, run the Exte nded S ervice test fo r the A to D Co nverte r.
Chapte r 5: T roublesho oting To troubleshoo t the acquisitio n system 5–55 K Inter pola tor fai led R e p l a c e t h e a c q u i s i t i o n a s s e m b l y w h e n t h i s t e s t f a i l s .
Chapter 5: Tr ouble shooting To troubleshoot attenu ator failures 5–56 To troubleshoot attenuator failures The best meth od for troubl eshoot ing att enua tor assem bly fail ures is to swap the suspect ed one with a kno wn go od o ne.
Chapte r 5: T roublesho oting To troubl eshoot att enuator failur es 5–57 Swapping Atte nuators Attenuat or swapping is the best method of finding a faulty attenuator . All input channels of the Infinii um o scillos cope use identica l attenuator as sembli es.
Chapter 5: Tr ouble shooting To troubleshoot attenu ator failures 5–58 Attenuator Assembly Troubleshooting Perform Connectivity Test on all channels Do channels fail? Yes Swap failing channel attenuator assembly with known good assembly.
Chapte r 5: T roublesho oting Software Revisions 5–59 Software Revi sions • Select About Infiniium... from the Help Menu. A dialo g b ox ap pea rs sh owing the curre nt ve rsio n num ber fo r the scop e so ftwar e and on -line infor matio n sy stem soft ware.
5–60.
6 ESD P recau tion s 6- 2 Tools Required 6-2 To r eturn the instr ument to Agil ent Te chno logies for serv ice 6-3 To r emove an d repla ce t he co ver 6 -4 To di sconne ct and c onne ct Mylar fle x .
6–2 Replacing Assemblies Use the procedures in this chapter when removing and re placing assemblies and par ts in the Agilent T echnolog ies 54835A/4 5A oscillosco pe. In general, the procedur es that follow are placed in the or der to be used to remove a particular assembly.
Chapter 6: Re placi ng Assembli es To ret urn the in strument t o Agilent Technologie s for ser vice 6–3 To return the instrument to Agilent Technolo gies for service Befor e ship ping t he instru m.
Chapter 6: Replacing Assemblies To rem ov e and repla ce th e cov er 6–4 To remove and replace the cover Use these steps to r emov e and repl ace t he c over . Wh en ne cess ary, refe r to othe r re moval procedure s. 1 Disconnect the power cable . 2 Disconnect all scope probes and BNC input cables from t he front panel.
Chapter 6: Re placi ng Assembli es To di sconnec t and connect Mylar flex cables 6–5 To disconnect and conne ct Mylar flex ca bles Use th is pro cedu re wh en y ou a re ins truct ed to disc onne ct or con nect a Myl ar fl ex c able. Such cable s and th eir c onne ctor s are frag ile; mis handli ng m ay d ama ge the cabl e or co nnecto r.
Chapter 6: Replacing Assemblies To rem ove and replace the Au toProb e assembly 6–6 To remove and replace the AutoPr obe asse mbly Use th is pro cedu re to remo ve and rep lace t he A utoPr obe assembl y. Wh en ne cessa ry, re fer to othe r re moval pr ocedu res .
Chapter 6: Re placi ng Assembli es To remove an d replace t he AutoPr obe assembly 6–7 c From the back of the fron t pane l, use a sm all sc rew dr iver or other slender poin ted obj ect throug h the access hole to push the AutoProb e assembly faceplate away from the front panel assemb ly.
Chapter 6: Replacing Assemblies To rem ov e and repla ce th e pro be po wer and contr ol as sem bly 6–8 To remove and replace the pr obe power and control assembly Use this pro cedu re to remo ve the pro be power and cont rol asse mbly . When necessary , refer to othe r re moval pr ocedu res .
Chapter 6: Re placi ng Assembli es To rem ove an d rep lac e the bac kligh t inv ert er bo ard 6–9 To remove and replace the backlight inve rter board Use th is pro cedu re to remov e and repl ace t he ba cklig ht i nvert er boa rd. When n ecess ary, r efer to oth er r emo val proc edure s.
Chapter 6: Replacing Assemblies To re mov e and repla ce t he fr ont pan el as sem bly 6–10 Figure 6-9 Remo ving the BN C Nuts 4 Disconnect the Aux Out SMB cable W18 from J10 and the black Com p wire W19 from J4. Pus h them to the side. These cables are located behind the Aux Trigger In put BNC c onnector o n the A cqui sition b oard.
Chapter 6: Re placi ng Assembli es To rem ove an d re plac e th e fron t pane l ass emb ly 6–11 Figure 6-11 Disc onnec ting W 16, W 20, an d th e Bac kligh t Cable s 6 Remove the 4 Torx T15 screws that secure the chassis sides to the front panel assembly.
Chapter 6: Replacing Assemblies To rem ov e and repla ce th e key boa rd and flat -pan el disp lay assem blie s 6–12 To remove and replace the ke yboard and flat-pane l display assemblies Use these steps to disass emble and re-ass emble the fron t pane l assemb ly, including the keybo ard and fla t-pan el d ispl ay.
Chapter 6: Re placi ng Assembli es To rem ov e and repla ce th e key boa rd an d fl at-p ane l disp la y ass embl ies 6–13 6 To remove the flat-pane l display from the fron t-panel cover plate, remove the four Torx fastene rs.
Chapter 6: Replacing Assemblies To remove and replace the acquisition board assembly 6–14 To remove and replace the acq uisition board asse mbly Use th is pro ce dure t o remo ve and repla ce th e acq uisi tion ass embly. When nec essar y, re fer to othe r re moval pr ocedu res .
Chapter 6: Re placi ng Assembli es To rem ov e and re pla ce th e LAN i nter face boa rd 6–15 To remove and replace the LA N interface boar d Use th is pro cedu re to remove and r epl ace th e LAN inter face board. When neces sary, refer to othe r re moval pr ocedu res .
Chapter 6: Replacing Assemblies To rem ove and replace the GP IB in terfac e board 6–16 To remove and replace the GPIB interface board Use this proce dure to remove a nd repl ace th e GPIB inte rface board. When ne cessa ry, re fer to othe r re moval pr ocedu res .
Chapter 6: Re placi ng Assembli es To rem ove a nd re plac e th e scop e int erfa ce bo ard and SV GA di spl ay boa rd 6–17 To rem ove and replace the scope i nterface board and SV GA display board Use the se steps to r emove and replace th e scope interface board a nd SVGA di splay boards.
Chapter 6: Replacing Assemblies To separat e the scope int erface bo ard and SVGA displ ay board 6–18 To separate the scope interface board a nd SVGA display board Use th is pro cedu re to separa te th e sco pe in terfac e boa rd fr om the SVGA dis play board .
Chapter 6: Re placi ng Assembli es To remove and repla ce the Option 200 sound card 6–19 To remove and replace the Option 200 sound card Use th is pro cedu re to remove and r epl ace th e soun d car d. 1 Disconnect the power cable and remove the cover.
Chapter 6: Replacing Assemblies To rem ov e and repla ce th e har d di sk dri ve 6–20 To remove and replace the ha rd disk drive Use th eseg st eps t o r emove an d rep lace the ha rd di sk dr ive. W hen necessa ry, r efer t o oth er remova l pro cedu res.
Chapter 6: Re placi ng Assembli es To rem ove and r eplace the f loppy disk dri ve 6–21 To remove and replace the floppy disk drive Use this procedure to remove and replace the floppy disk drive. When necessary, refer to other removal p rocedures. 1 Disconnect the power cable and remove the cover.
Chapter 6: Replacing Assemblies To rem ov e and repla ce th e mo ther boa rd 6–22 7 Disconnect these cable s from the mother board: • Ha rd di sk mo therb oar d ca ble W 9 • Fl oppy mother board cab le W7 • Serial port cables W24 and W25 • Par allel port c able W 23 • Mouse co nnecto r c able W22 Set al l cab les ou t of t he way.
Chapter 6: Re placi ng Assembli es To rem ove an d re plac e th e mot herbo ard 6–23 13 Once the WINBIOS h as been conf igured, cycle power to start the Windows ’95 operatin g sys tem and begin t he plug- and-play driver install ation.
Chapter 6: Replacing Assemblies To rem ov e and repla ce t he po we r supp ly 6–24 To remove and replace the pow er supply Use the se ste ps to rem ove the powe r suppl y assem bl y.
Chapter 6: Re placi ng Assembli es To remo ve and re plac e the fa n 6–25 To remove and replace the fa n WARNING AV OID IN JUR Y! The f an bl ades are ex posed both ins ide an d outs ide the c hassi s. D isconn ect t he po wer c able before working aro und the fan.
Chapter 6: Replacing Assemblies To rem ove an d re plac e the CPU 6–26 To remove and replace the CPU Use th is pro cedu re to remove and repla ce the CPU. W hen nec essar y, ref er to othe r remov al procedure s. 1 Disconnect the power cable and remove the cover.
Chapter 6: Re placi ng Assembli es To remove an d repla ce RAM SIM Ms or SDRA M DIMMs 6–27 To remove and replace RAM SIMMs or SDRAM DIM Ms Us e t h is p r oc e d ur e t o r em o v e t he c o v er a .
Chapter 6: Replacing Assemblies To rem ove and repl ace an a ttenua tor 6–28 To remove and replace an attenuator Use th is pro cedu re to remov e and repl ace a n at tenuat or a ssembly.
Chapter 6: Re placi ng Assembli es To remove an d replace an attenua tor 6–29 Figure 6-27 Remo ving an Atte nuato r If You Pe rman ently Repl ace Parts When you re place acq uisition system c omponents, you should rer un the sel f calibrati on routine s prior to perfor mance ve rifica tion or use of the i nstrument .
Chapter 6: Replacing Assemblies To reset the attenuator contact cou nter 6–30 To reset the attenuator contact counter 1 Turn off the I nfiniium os cilloscope. 2 Connect a mouse and a keyboard to the oscillosc ope. 3 Insert the serv ice disk i n the floppy dr ive and tu rn on the osc illoscope.
Chapter 6: Re placi ng Assembli es To r eset the atten uator contac t coun ter 6–31 10 Click the Start Test button. A screen like the fol lowing wi ll be displ ayed. Figure 6-29 Attenua tor R elay Actua tions Setup 11 In the Att enuator Channel box, sel ect the channe l you are changing.
Chapter 6: Replacing Assemblies To rem ove and repl ace an a cquis ition h ybrid 6–32 To remove and replace an acquisition hybr id Use the follo wing procedure to remove and repla ce an acquisi tion hybrid. When necessar y, ref er to oth er r emo val proc edure s.
Chapter 6: Re placi ng Assembli es To rem ove and replace an acquisitio n hybrid 6–33 To replace the acquisition hybrid The l ocati on of pi ns an d oth er loca tor fe ature s wi ll guid e t he align ment of par ts. Th is a ssemb ly canno t be asse mbled in corr ectly with out f orcin g.
Chapter 6: Replacing Assemblies To rem ove and repl ace an a cquis ition h ybrid 6–34 The Hyb rid Co nnector As shown in the illustrati on, two screws thro ugh the hybrid connector hold the bottom plate to the unde rside of the PC board. I f you remove the c onnector , the bottom plat e can fall away from the bo ard.
7 Orderin g Rep laceab le Parts 7-2 Listed Part s 7- 2 Unlist ed Part s 7- 2 Direc t Mail Order Syste m 7-2 Exch ange Ass emblie s 7- 2 Power Ca bles and Pl ug Co nfigu ration s 7-3 Explo ded Vi ews 7.
7–2 Replaceable Parts This chapter of the Agilent Tech nologies In finiium Osc illoscope Ser vice Guide includes info rmation for ordering parts. Service suppo rt for this instrument is replacement of parts to the assembly level . The re placeable parts include assemblies and chassis parts.
Chapter 7: R eplaceab le Parts Power Ca bles and Pl ug Config uratio ns 7–3 Power Cables and Plug Conf iguration s This instrum ent is equ ippe d with a t hree- wire power cable. The type of power cable plug shipped with the instr ument depends on t he co untry of destin ation.
Chapter 7: R eplac eable Parts Explod ed Vi ews 7–4 Explo ded V iew s Front Frame and Fr ont Pa nel MP54 MP51 MP16 MP50 H2 H9 MP8 MP4 MP1 MP3 H18 H20 MP17 W16 W20 A2A1 H7 MP56 A7 W13 MP53 A2 MP61 MP.
Chapter 7: R eplaceab le Parts Explod ed Views 7–5 Fan and Acqu isi tion As sem bly A11 B1 & B3 W2 A13A1 W4 W3 W5 H22 W17 A3 H8 MP60 H1 H2 W6 Option al Fan Safety S hield A13A2 W11 W21 A13A5-8 A.
Chapter 7: R eplac eable Parts Explod ed Vi ews 7–6 Powe r Suppl y and PC Moth erb oard A5 MP60 H3 H11 MP55 H4 A6 H12 A1 H2 H2 A4 W4 W2 W3 A10 A9 MP57 H25 H24 H2 S e e F l o p p y D r i v e V e r s .
Chapter 7: R eplaceab le Parts Explod ed Views 7–7 AMI Series 727 (A tlas PCI-II) Mot herboa rd for PC Motherbo ard Configura tion 1 W14 H23 W24/25 A6 W9 W22 A4A2/A3 (RAM) B2 A5 W20 W17 W8 W10 W9 W .
Chapter 7: R eplac eable Parts Explod ed Vi ews 7–8 AMI Se ries 757 Rev C and Rev D (Atla s PCI-III) M otherboard for P C Motherboard Con figurations 2, 3, and 4 W14 H23 W24/25 A6 W9 W22 A4A2/A3 (RA.
Chapter 7: R eplaceab le Parts Explod ed Views 7–9 1.44 Mbyt e Floppy D rive C onfig urati on fo r PC Mothe rbo ard Con fig urat ions 1, 2, a nd 3.
Chapter 7: R eplac eable Parts Explod ed Vi ews 7–10 120 Mby te Flop py Drive Co nfigu ration for PC Mother board C onfigura tion 4.
Chapter 7: R eplaceab le Parts Explod ed Views 7–11 FIC VA-5 03A Moth erb oard fo r PC Mothe rboar d Con figura tion 5 A15 A19 A14 B2 A4A1 A4 H23 A4A2 W9 W23 W22 W27 W24/25 W5 A6 A5 W16 W11 W14 W20 .
Chapter 7: R eplac eable Parts Explod ed Vi ews 7–12 120 Mby te Floppy Drive Co nfigurati on with FIC Motherb oard fo r PC Motherbo ard Con figuratio n 5.
Chapter 7: R eplaceab le Parts Explod ed Views 7–13 Slee ve and Acc essor y Pouc h MP20 H10 MP13 H19 H26 MP14 MP52 MP38 MP19 MP12 MP19 MP70 MP72 MP70 Old version.
Chapter 7: R eplac eable Parts Explod ed Vi ews 7–14 Attenu ator Asse mbly.
Chapter 7: R eplaceab le Parts Replaceable Parts List 7–15 Replaceable Pa rts List The fo llo wing tabl e is a l ist of re placea ble par ts and is organ ize d as follo ws: • Exc hange a ssembli es i n alp hanum eric order by ref erenc e desi gnati on.
Chapter 7: R eplac eable Parts Repl aceab le Pa rts L is t 7–16 Repl aceab le Pa rts Ref. Des. Agilent Part Number QTY Des cription Exchange A ssemb lies A13 54835-69 527 1 4-CH ACQUIS ITION ASSEMBL.
Chapter 7: R eplaceab le Parts Replaceable Parts List 7–17 To identify the motherb oard con figura tion, see "T o configure the moth erboard jumpers and set up the B IOS in chap ter 5.
Chapter 7: R eplac eable Parts Repl aceab le Pa rts L is t 7–18 PC Motherbo ard Confi guration 4 (AM I Motherb oard w /120 MBy te Floppy Drive) (serial prefix rang e US39 19 th rough US 3935 w ith r.
Chapter 7: R eplaceab le Parts Replaceable Parts List 7–19 All Conf igurations A5 54810-66 525 1 DISPLAY BOAR D A6 54801-68 703 1 SCOPE INT ERFACE BOARD KI T (include s W11 an d 54810- 66523 pc bo a.
Chapter 7: R eplac eable Parts Repl aceab le Pa rts L is t 7–20 H9 0515-141 0 6 MS 3.0 X 0 .50 20 MM-LG P AN-HD T10 H10 0515-219 5 4 MS M4 X 0. 7 40MM- LG T15 H11 0515-269 1 2 MS M2.6X0 .45 6M M-LG P AN-HD T 8 H12 0624-0633 7 SCREW-TG P 6-20 T15 H14 2190-002 7 1 WIL.
Chapter 7: R eplaceab le Parts Replaceable Parts List 7–21 W8 See PC Motherb oard Configura tions earl ier in this table. W9 See PC Motherb oard Configura tions earl ier in this table. W10 See PC Motherboard Configura tions earlier i n this table. W11 548 01-61612 1 ACQU ISITIO N CABLE ( w/ AMP-LA TCH(r) co nnector on ea ch end.
7–22.
8 Bloc k-Le ve l Th eory 8 -3 Power Supply Assem bly 8-3 FPD Mo nitor A ssembly 8- 3 Acqu isitio n Syst em 8-4 Front P ane l 8-4 Disk Driv es 8-4 Attenua tors 8 -4 Motherboard 8-4 SVGA D isplay Ca rd .
Chapt er 8 : T heo ry of Op era tion 8–2 Instrum ent Bl ock Dia gram Sho wn for Orig inal C onfig uration w/1.44 MB yte Flo ppy Dri ve.
8–3 Theory of Operation This Service Guide sup ports troubleshooting the Agilent Technologies 54835 A/45A to assembly level. Theo ry of operation is included o nly as supplemental information. It is not comprehe nsive enough fo r component-level troubleshooting.
Chapt er 8 : T heo ry of Op era tion Block-L evel Theory 8–4 Acqu isition Syst em The a cquis iti on sys tem i nclu des tw o att enuat or a ssemblie s, a cquis ition boar d, an d sc ope interfa ce bo ard. Th e att enua tors con ditio n the signa l, whi ch is the n digi tized and st ored b y the acquis iti on b oard.
Chapter 8: The ory of Oper ation Block-Level T heory 8–5 SVGA Display Card The SVGA Disp lay Card controls the flat -panel display monitor. There ar e two major video paths on t h is b o ar d .
Chapt er 8 : T heo ry of Op era tion Block-L evel Theory 8–6 Acqui sitio n Block Dia gram CHANNEL 1,2 TIME BA SE TRIGGER.
Chapter 8: The ory of Oper ation Atte nua tor Th eor y 8–7 Atten uator Theory The channel input signals are conditi oned by the dual channel attenuator assemblie s.
Chapt er 8 : T heo ry of Op era tion Acquisit ion Theor y 8–8 Trigger Ther e a re four main t rigg er circui ts: Trigger Condi tio ning, Analog Compa rato rs, a Trigge r Mult iple xer, and Logic Tri gger. Trigger signal s from the channe l are fed to the analog trigge r co mpar ator s and the trig ger condit ion ing circ uit.
Chapter 8: The ory of Oper ation Acquisition Theory 8–9 Anal og Inter face The An alog Inter face p rovi des an alog contr ol of fu ncti ons in the acquisition circuitry.
8–10.
DECLARAT ION OF CONFORMIT Y accor ding to ISO/IEC Guid e 22 and E N 45014 Manufa ctur er’ s Name: A gilent Techn olog ies Manuf act urer’ s Address : Co lor ado Spr ings Divisi on 1900 Garden of t.
Produc t Regul ations Safety IEC 1010-1:1990+A1 / EN 61010-1:1993 UL 3111 CSA-C22.2 No.1010.1:1993 EMC This Product meets the req uiremen t of the Europ ean Comm unitie s (EC) EMC Directive 89/336/EE C.
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Product Warrant y This A gilent Technologi es product has a warranty against defects in material and workmanship for a peri od of t hree year s from d ate of shipme nt. Du ring t he warr anty period , Agile nt Tech nologi es wi ll, at its optio n, e ither repai r or replace products that prove to be defective.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Agilent Technologies 46A c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Agilent Technologies 46A - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Agilent Technologies 46A, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Agilent Technologies 46A va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Agilent Technologies 46A, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Agilent Technologies 46A.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Agilent Technologies 46A. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Agilent Technologies 46A ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
