Manuel d'utilisation / d'entretien du produit 5260 du fabricant Apple
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Service Source K Po wer Macintosh/Performa 5260, 5280 Series Power Macintosh 5260/100, 5260/120 International Performas 5260/120, 5280.
Service Source K Basics Po wer Macintosh/Performa 5260, 5280 Series.
Basics System Overview - 1 System Overview The Power Macintosh 5260 and 5280 design includes expansion slots for 68040 LC communications and PDS cards, as well as other video-in, video tuner, and video-out options. Disk storage includes an IDE hard drive in a variety of capacities and a trayloading CD-ROM drive.
Basics 5260/120 and 5280 - 2 5260/120 and 5280 The Performa 5260/120 is sold in Canada and Australia. The Performa 5280 is sold in Japan. The Power Macintosh 5260/120 is sold in the United States and Canada.
Basics Service Strategy - 3 Service Strategy Service the Power Macintosh/Performa 5000 series through module exchange and parts replacements. Customers can request on-site service from an Apple Authorized Service Provider Plus (AASP+) or Apple Assurance.
Basics Service Strategy - 4 orders placed through the AppleOrder system. Service Providers not enrolled in AppleOrder may fax their orders to Service Provider Support (512-908-8125) or mail them to Apple Computer, Inc.
Basics Service Strategy - 5 Diagnostics Use MacTest Pro for Power Macintosh to perform diagnostics on the Power Macintosh/Performa 5000 series. Design f or Serviceability To access the floppy drive, CD-ROM drive, or front panel control board, remove the drive and controls bezel.
Basics User Controls - 6 User Controls User controls include • Soft power-on control from keyboard • Front-panel sound-control pushbuttons • Front-panel brightness-control pushbuttons • Option.
Basics Internal Expansion Connections - 7 Internal Expansion Connections Expansion connections on the logic board include • 2 DRAM SIMM expansion slots • LC Processor Direct Slot (PDS) • Communi.
Basics Intelligent Device Electronics (IDE) Hard Drive - 8 Intelligent Device Electronics (IDE) Hard Drive The internal hard drive uses Intelligent Device Electronics (IDE) technology, commonly used in DOS-compatible systems. The IDE hard drive functions the same as a typical SCSI hard drive.
Basics Processor Direct Slot (PDS) - 9 Processor Direct Slot (PDS) The LC-PDS is compatible with the PDS in the Macintosh LC family of computers, but it is not a true PDS. Like the expansion slot in the other models in the Power Macintosh and Performa 5000 series, this expansion slot supports many PDS cards designed to operate with the MC68030 bus.
Basics Video-In Card - 10 Video-In Card The Video-In Card is an optional card included with the Apple Video System. It allows users to digitize video from the TV Tuner, MPEG Card, and external composite or S-video inputs. It accepts NTSC, PAL, or SECAM format video and also provides stereo audio inputs.
Basics MPEG Card - 11 MPEG Card The MPEG Card is an optional card included with the Apple MPEG Media System. The MPEG Card requires that the Video-In Card be installed. It provides hardware decompression for MPEG movie files, enabling full-screen (through pixel doubling), 30-frames-per-second, 24-bit video playback with 16-bit audio.
Basics T V Tuner Module - 1 2 TV Tuner Module The TV Tuner, an optional module included with the Apple TV/Video System, turns the computer into a television receiver. The TV Tuner requires the Video-In Card, which is also included with the Apple TV/Video System.
Basics TV/FM Radio Tuner Card - 13 TV/FM Radio Tuner Card The TV/FM radio tuner card turns the computer into a television and FM radio receiver, complete with remote control. An expansion ribbon connector for the optional TV/FM radio tuner card provides NTSC and PAL input from an external TV antenna or cable.
Basics TV/FM Radio Tuner Card - 14 The TV picture is in its own window on the desktop, and the default size of the window is 320x240 pixels. The picture can be resized from 160x120 pixels up to 640x480 pixels.
Basics TV/FM Radio Tuner Card - 15 The card is available in versions for NTSC, PAL, and SECAM television systems. The features of the TV tuner include the following: • Remote tuner for 181 broadcast and cable channels (U.S. version) • Coaxial connector for TV antenna or cable input (F-type connector in U.
Basics TV/FM Radio Tuner Card - 16 The features of the FM radio tuner include the following: • FM radio frequencies received and displayed • Stations scanned and searched up and down the frequency.
Basics External Video Connector - 1 7 External Video Connector The External Video Connector is an optional module that provides the computer with video output (mirroring). Install the External Video Connector in a dedicated 3/4- inch, 22-pin slot on the logic board.
Basics Apple Presentation System - 1 8 Apple Presentation System The Apple Presentation System (APS) is an external module that uses the 15-pin video output connector on the computer, and then provides a video signal for a separate television display or for recording on a VCR.
Basics The Cuda Chip - 1 9 The Cuda Chip The Cuda is a microcontroller chip. Its function is to • Turn system power on and off • Manage system resets from various commands • Maintain parameter RAM (PRAM) • Manage the Apple Desktop Bus (ADB) • Manage the real-time clock Many system problems can be resolved by resetting the Cuda chip.
Basics CRT and Degauss Frame - 2 0 CRT and Degauss Frame The CRT and degauss frames are precisely matched at the factory and must be removed and replaced as a unit.
Basics Front View - 21 Front View Mouse Built-In Microphone Color Display Headphone Jack Floppy Disk Drive Sound Control Buttons Screen Control Buttons Keyboard CD-ROM Drive (optional) Power-On Light .
Basics Rear View - 22 Rear View Microphone Assembly Analog Board Assembly CD ROM Drive Logic Board I/O Panel Assembly Tilt-Swivel Assembly Hard Drive Floppy Drive CRT Video Board Assembly Power Su.
Basics I/O Panel - 23 I/O Panel PDS Cover Communication Card Access Cover SCSI Port Printer Port Modem Port ADB Port Sound Input Port Sound Output Port Video Input Access Cover External Video Output C.
Basics 5260/5280 Logic Board - 24 5260/5280 Logic Board Battery Video-In Slot Monitor-Out Slot Processor/ Heatsink DRAM SIMM Slot PDS Communications Card Slot ROM Slot Cuda Reset Button.
Service Source K Specifications Po wer Macintosh/Performa 5260, 5280 Series.
Specifications Processor - 1 Processor CPU 5260/100 PowerPC 603e processor 100 MHz 5260/120, 5280 PowerPC 603e processor 120 MHz Addressing 64-bit PowerPC bus.
Specifications Memory - 2 Memory DRAM 16 MB DRAM, minimum Expandable to 64 MB (72-pin, 80 ns or faster SIMMs) Frame Buffer 1 MB DRAM on board, for video support RO M 4 MB Cache Memory 256K Level 2.
Specifications Disk Storage - 3 Disk Storage Floppy Drive 1.4 MB Apple SuperDrive Manual Insert Hard Drive 800 MB, 1.2 GB, or 1.6 GB IDE hard drive CD-R OM Drive 5260/100 Standard AppleCD 600i drive 5.
Specifications I/O Interfaces - 4 I/O Interfaces Serial Two RS-232/422 serial ports for modem and printer (mini DIN-8 connectors) LocalTalk supported SCSI One external SCSI port (DB-25 connector) Supp.
Specifications I/O Interfaces - 5 Sound Output Two stereophonic sound output ports, level nominally 0.5 V RMS into 39 ohms One front headphone jack, one rear stereo mini phonejack Internal stereo speakers External V ideo Connector One DB-15 mirror video out connector using optional video connector kit.
Specifications I/O Interfaces - 6 V ideo-in Slot One 60-pin video-in slot for optional expansion card providing real-time video display, capture, and overlay.
Specifications I/O Devices - 7 I/O De vices K eyboard Apple Extended Keyboard II, AppleDesign (other ADB keyboards supported) Mouse Apple Desktop Bus Mouse Mechanical tracking, optical shaft, or conta.
Specifications Sound and Video - 8 Sound and V ideo Sound Generator Records at 11-kHz or 22-kHz sample rate Plays back at 22-kHz sample rate Two speakers with enhanced stereo sound Allows playback and.
Specifications Sound and Video - 9 Built-in V ideo Display Dot Pitch: 0.28 mm Vertical Frequency: 66.7 Hz Active Raster Size (nominal): 9.5 in. by 7.3 in. (240 mm by 185 mm) White Point: 9,300° K Shipping Brightness (nominal): 25-foot lamberts 14-in.
Specifications Sound and Video - 1 0 Monitor Timings 640x480 Resolution at 60 Hz Horizontal Timing Back porch: 96 dots HSYNC: 64 dots Front Porch: 64 dots 1 dot: 33.06878 ns 1 H: 28.5714 ms 1/dot: 30.24 MHz V ertical Timing Back porch: 39 H VSYNCH: 3 H Front Porch: 3 H 1 H: 28.
Specifications Sound and Video - 1 1 Monitor Timings 640x480 Resolution at 66.67 Hz Horizontal Timing Back Porch: 96 dots H SYNC: 64 dots Front Porch: 64 dots 1 dot: 33.06878 n 1 H: 28.5714 ms 1/dot: 30.24 MHz V ertical Timing Back Porch: 39 H V SYNC: 3 H Front Porch: 3 H 1 H: 28.
Specifications Sound and Video - 1 2 Monitor Timings 800x600 Resolution at 60 Hz Horizontal Timing Back Porch: 88 dots H SYNC: 128 dots Front Porch: 40 dots 1 dot: 25.000 ns 1 H: 26.4 ms 1/dot: 40.000 MHz V ertical Timing Back Porch: 23 H V SYNC: 4 H Front Porch: 1 H 1 H: 37.
Specifications Sound and Video - 1 3 Monitor Timings 800x600 Resolution at 72 Hz Horizontal Timing Back Porch: 64 dots H SYNC: 120 dots Front Porch: 56 dots 1 dot: 20.000 ns 1 H: 20.800 ms 1/dot: 50.000 MHz V ertical Timing Back Porch: 23 H V SYNC: 6 H Front Porch: 37 H 1 H: 20.
Specifications Sound and Video - 1 4 External V ideo Connector (Optional) Supports video mirroring on the following external monitors (at product introduction): Supports video mirroring on the followi.
Specifications Electrical - 15 Electrical Line V oltage 100–240 VAC Frequency 47–63 Hz Po wer 240 W maximum Surge Voltage: 300 V RMS for 100 ms Peak Inrush Current: 40 A pk Current: 4.
Specifications Physical - 16 Physical Dimensions Height: 17.5" (445 mm) Width: 16" (406 mm) Depth: 15.1" (383 mm) W eight Without CD-ROM: 17 lb.
Specifications Environmental - 17 En vironmental T emperature Operating: 50°–104° F (10°–40° C) Transit (72 hours): –40° F to +149° F (–40° C to +65° C) Storage (6 months): –40° F to +116° F (–40° C to +47° C) Humidity Noncondensing, 20–95% Altitude 0–10,000 ft.
Service Source K Troubleshooting Power Macintosh/Performa 5260, 5280 Series.
Troubleshooting General - 1 General The Symptom Charts included in this chapter will help you diagnose specific symptoms related to your product. Because cures are listed on the charts in the order of most likely solution, try the first cure first. Verify whether the product continues to exhibit the symptom.
Troubleshooting First Checklist - 2 First Checklist Jitter, faint lines, or screen movement can be caused by external interference such as electronic devices and fluorescent lights. Move the unit to another room or building to help determine if external interference is the source of the problem.
Troubleshooting Symptom Charts/ System - 3 Symptom Charts System System intermittently crashes or hangs 1 Verify that system software is version 7.5 or later. 2 Verify that software is compatible with system. 3 If Ethernet card is installed, verify that it is fully seated.
Troubleshooting Symptom Charts/ System - 4 System will not start up from keyboard, but will start up from rear power switch 1 Verify keyboard as known-good. 2 Replace analog board. System continually restarts after Shutdown from Special menu 1 Verify keyboard as known-good.
Troubleshooting Symptom Charts/ System - 5 Menu bar constantly flashes or system constantly beeps 1 Verify that front-panel control buttons are not jammed. 2 Verify “mute” is not selected in the Sound control panel. 3 Reseat drive bezel and front-panel control board.
Troubleshooting Symptom Charts/ Audio - 6 Audio Distorted or garbled sound from both speakers Replace analog/video board assembly. Distorted or garbled sound from one speaker 1 Replace defective speaker. 2 Replace analog/video board assembly. Sound distortion with MPEG board installed Replace MPEG board with modified MPEG board.
Troubleshooting Symptom Charts/ Audio - 7 Crackling noise is present when playing sounds other than system beeps and not in “play through” mode 1 If static noise varies while adjusting volume with Sound control panel, use Audio Volume Extension 1.
Troubleshooting Symptom Charts/ Video - 8 Video Screen is black, too dark, or too bright; audio and drive operate 1 Adjust contrast button on front bezel. 2 Adjust brightness. Use Screen control panel. 3 Check yoke cable connection. 4 Perform video adjustments.
Troubleshooting Symptom Charts/ Video - 9 Video will not play or system hangs when attempting to run video in units with MPEG card 1 If chip at location U12 on MPEG card displays number 341SO205, check all connections. 2 If chip at location U12 on MPEG card does not display number 341SO205, replace MPEG card.
Troubleshooting Symptom Charts/ Video - 1 0 Out of convergence (color bleeds from text or lines) 1 This problem rarely indicates a defective module. Some misconvergence is normal, especially around edges of screen. Contact Apple Technical Support if you’re uncertain whether misconvergence is within specification.
Troubleshooting Symptom Charts/Video - 11 Screen jitters or flashes 1 Refer to “First Checklist” in Troubleshooting chapter. Move electrical devices (other monitors, scanners, and so on) away from monitor. Temporarily shut off all fluorescent lights in area.
Troubleshooting Symptom Charts/ Video - 1 2 Linearity bad (size of text/graphics differs at top, bottom, or sides of screen) Replace analog/video board assembly. Raster tilted or shifted 1 Refer to “First Checklist” in Troubleshooting chapter. Move metal objects away from monitor.
Troubleshooting Symptom Charts/ Video - 1 3 Raster distorted (barrel-shaped, corners not square, stretched or compressed at top of display, or sides not perpendicular) 1 Refer to “First Checklist” in Troubleshooting chapter. 2 Perform appropriate geometric adjustments.
Troubleshooting Symptom Charts/ Video - 1 4 Screen has white areas with blotches of color 1 Refer to “First Checklist” in Troubleshooting chapter. 2 Because this purity problem can be caused by magnetic fields, move unit to another location. 3 Degauss display with manual degaussing coil.
Troubleshooting Symptom Charts/ Floppy Drive - 15 Floppy Drive Audio and video are present, but internal floppy drive does not operate 1 Replace bad disk with known-good disk.
Troubleshooting Symptom Charts/ Floppy Drive - 16 Disk does not eject 1 Insert opened paper clip into hole beside floppy drive. 2 Switch off system and hold mouse button down while switching system on (to complete eject cycle). 3 Replace floppy drive.
Troubleshooting Symptom Charts/ Hard Drive - 17 Hard Drive Internal or external hard drive does not operate 1 Verify that all hard drive connections are secure. 2 Verify that external drive is properly terminated. 3 Reseat logic board. 4 Replace internal IDE hard drive.
Troubleshooting Symptom Charts/ Hard Drive - 18 Flashing ? appears at startup in 5260/ 100 with 1.6 GB ATA hard drive (p/n 661-1107), and may be corrected with restart.
Troubleshooting Symptom Charts/ CD-ROM Drive - 19 CD-ROM Drive CD-ROM drive does not accept disc 1 Exchange compact disc (if disc is dirty or damaged). 2 Replace CD-ROM drive mechanism. 3 Replace SCSI data cable. Volume control does not operate correctly 1 Check Sound control panel setting.
Troubleshooting Symptom Charts/ CD-ROM Drive - 20 Computer cannot mount known-good CD-ROM drive 1 Reseat CD-ROM drive adapters. 2 Check SCSI ID setting.
Troubleshooting Symptom Charts/ CD-ROM Drive - 21 Eject button sticks. Replace the front bezel..
Troubleshooting Symptom Charts/ Peripheral - 22 Peripheral Cursor does not move 1 Restart system. 2 Check mouse connection. 3 If mouse was connected to keyboard, connect mouse to rear ADB port and disconnect keyboard. If mouse works, replace keyboard.
Troubleshooting Symptom Charts/ Peripheral - 23 Cannot double-click to open application, disk, or server 1 Remove extra system files on hard drive. 2 Check mouse speed on Control Panel. 3 Unplug 4.5 battery, wait 20 seconds, plug in battery, and restart computer.
Troubleshooting Symptom Charts/ Peripheral - 24 Known-good StyleWriter, ImageWriter, or ImageWriter II does not print 1 Verify that Chooser and Control Panel are set correctly. 2 Verify that printer driver and system software are not corrupt. 3 Verify system software is version 7.
Troubleshooting Symptom Charts/ Miscellaneous - 25 Miscellaneous Clicking, chirping, or thumping sound 1 Replace analog board. 2 Replace logic board. Retain customer’s SIMMs. Smoke or Odor Present 1 Replace Analog board. 2 Replace Power Supply. 3 Replace Logic Board.
Troubleshooting Symptom Charts/ Miscellaneous - 26 Screen shows “Sad Macintosh” icon and black vertical lines; screeching sound 1 Replace RAM SIMMs on logic board.
Troubleshooting Symptom Charts/ Miscellaneous - 27 “Sad Macintosh” icon 1 Verify that no disc is in CD-ROM drive. 2 Disconnect all external SCSI devices and attempt to restart computer. 3 Disconnect internal SCSI device and attempt to start computer with known-good floppy disk.
Troubleshooting Symptom Charts/ Miscellaneous - 28 System with internal modem unable to recognize graphics or Ethernet card in communications slot 1 Replace internal modem.
Service Source K T ake Apart Po wer Macintosh/Performa 5260, 5280 Series.
Take Apart Drive and Control Bezel - 1 Drive and Control Bezel No preliminary steps are required before you begin this procedure..
Take Apart Drive and Control Bezel - 2 1 P l a cing your fingertips in the holes of the finger latches, pull the two finger latches down. 2 Swing the drive and control bezel up and off.
Take Apart Drive and Control Bezel - 3 Replacement Note: Insert the drive bezel hinge tabs behind the upper corners of the front bezel opening. Swing the drive bezel down until it snaps closed.
Take Apart Floppy Drive - 4 Floppy Drive Before you begin, remove the drive and control bezel. Caution: Review the ESD precautions in Bulletins/ Safety.
Take Apart Floppy Drive - 5 1 Pull up the release latch, and pull out the floppy drive far enough to reach the ribbon cable connector..
Take Apart Floppy Drive - 6 2 Disconnect the floppy drive from the floppy drive cable. Note: Remove the drive carrier if you are replacing the floppy drive. Note: Because screw placement varies according to the type of drive used with the carrier, note the placement of the screws before removing them.
Take Apart Floppy Drive - 7 3 Remove the four mounting screws. 4 Remove the carrier from the floppy drive..
Take Apart CD-ROM Drive - 8 CD-ROM Drive Before you begin, remove the following: • Drive and control bezel • Floppy drive Note: The CD-ROM drive is optional.
Take Apart CD-ROM Drive - 9 Push up the release latch and pull the CD-ROM drive from the chassis. Note: You may need to use some initial force to disconnect the CD-ROM drive from the internal chassis/wiring harness.
Take Apart CD-ROM Drive - 10 Note: Perform the following steps only if you are replacing the CD-ROM drive. 1 Disconnect the CD-ROM audio adapter from the drive. 2 Disconnect the SCSI adapter 3 Remove the four mounting screws and carrier from the CD- ROM drive.
Take Apart CD-ROM Drive - 11 Replacement Note: Retain the carrier, screws, and adapters for installation on the new drive. Replacement Caution: Before replacing the SCSI adapter, verify that the SCSI drive connector pins are not bent.
Take Apart Front Panel Control Board - 1 2 Front Panel Control Board Before you begin, remove the drive and control bezel. Caution: Review the ESD precautions in Bulletins/ Safety.
Take Apart Front Panel Control Board - 1 3 Caution: Be sure to grip the front panel in the area shown to avoid harming circuit t racings. 1 Using needle-nose pliers, grip the front edge of the front-panel control board. 2 Pull firmly and slide the front panel control board out far enough to reach the ribbon cable connector.
Take Apart Front Panel Control Board - 1 4 3 Disconnect the cable from the front-panel control board. Replacement Note: Using a flat-blade screwdriver, press the front-panel control cable back and down.
Take Apart Front Panel Control Board - 1 5 Replacement Note: Tilt the board up slightly to insert it into the guide rails..
Take Apart Front Panel Control Board - 1 6 Replacement Note: The front edge of the reinstalled front-panel control board must be flush with the front edge of the plastic chassis.
Take Apart I/O Door - 17 I/O Door No preliminary steps are required before you begin this procedure..
Take Apart I/O Door - 18 1 Remove the two security screws..
Take Apart I/O Door - 19 2 Using your fingertips, pull the two finger latches down. 3 Swing the door up and off. Replacement Note: Align the I/O door hinge tabs and slide the door up into position.
Take Apart Logic Board - 2 0 Logic Board Before you begin, remove the I/O door. Caution: Review the ESD precautions in Bulletins/ Safety..
Take Apart Logic Board - 2 1 1 Swing out the handle from its storage position. 2 Pull out the lo gic board. Note: When installing cards, cover the two screws (for fan support and ground thermistor mounting) with tape. These screws are below the upper chassis, in the area of the logic board.
Take Apart Logic Board - 2 2 Note: Perform the following steps only if you are replacing a defective logic board. 3 Remove the two Phillips screws that secure the fence to the solder side of the logic board.
Take Apart Logic Board - 2 3 4 Using a hex nut driver, remove the two hex nuts that secure the logic board fence to the SCSI connector. 5 Separate the logic board fence from the logic board.
Take Apart Logic Board - 2 4 Replacement Note: Verify that the flange on the logic board fence is properly aligned with the mini-DIN shield..
Take Apart Logic Board - 2 5 Replacement Note: Align the flange around the mini- DIN shield first, then swing the rest of the logic board fence into place.
Take Apart Rear Housing - 2 6 Rear Housing Before you begin, remove the I/O door. ± W arning: This product contains high voltage and a high-vacuum picture tube.
Take Apart Rear Housing - 2 7 1 Pry off the two screw covers on each side of the rear housing. : Pry up from the rear edge of the screw cover..
Take Apart Rear Housing - 2 8 2 Remove the three torx screws on each side of the rear housing..
Take Apart Rear Housing - 2 9 3 ± W arning: This step exposes high voltage components. Follow CRT safety precautions. Slide the rear housing back and off.
Take Apart Front Bezel - 3 0 Front Bezel Before you begin, remove the following: • I/O door • Rear housing ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.
Take Apart Front Bezel - 3 1 1 .Disconnect the microphone cable and guide the cable to the microphone side of the metal CRT frame. 2 Pull off the front bezel.
Take Apart Front Bezel - 3 2 Replacement Note: Guide the microphone cables through the plastic retainers before replacing the front bezel..
Take Apart Internal Microphone - 33 Internal Microphone Before you begin, remove: • I/O door • Rear housing • Front bezel ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.
Take Apart Internal Microphone - 34 LIft off the microphone. Replacement Note: Guide the microphone cable through the plastic cable retainers..
Take Apart Rear EMI Shield - 35 Rear EMI Shield Before you begin, remove the following: • I/O door • Front bezel • Rear housing ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.
Take Apart Rear EMI Shield - 36 1 Remove the three screws from the power supply side of the EMI shield..
Take Apart Rear EMI Shield - 37 2 Remove the three screws from the analog board side of the EMI shield. 3 Remove the two screws from the top of the EMI shield.
Take Apart Rear EMI Shield - 38 5 Pull back the EMI shield and remove it..
Take Apart Speakers - 3 9 Speakers Before you begin, remove the following: • I/O door • Rear housing • Front bezel.
Take Apart Speakers - 4 0 1 Press the tab and release the speaker from the chassis slot..
Take Apart Speakers - 4 1 2 Tilt the speaker and remove it..
Take Apart Speakers - 4 2 Replacement Note: • The plastic speakers are printed “right” and “left.” Place the speakers accordingly as you face the monitor. • Guide the wire connecting the speakers in the channel between the monitor and chassis.
Take Apart Hard Drive - 43 Hard Drive Before you begin, remove the I/O door. Caution: Review the ESD precautions in Bulletins/ Safety..
Take Apart Hard Drive - 44 1 Using the convenience pull tab, disconnect the IDE data cable from the hard drive connector. 2 Disconnect the power cable.
Take Apart Hard Drive - 45 3 Using needle-nose pliers, pull up the release latch and slide the IDE hard drive from the chassis. Replacement Caution: Some hard drives have sharp edges near the cable connector that can rub and, therefore, damage the cable.
Take Apart Hard Drive - 46 Note: Perform the following steps only if you are replacing the hard drive. Note: Notice the placement of the carrier and screws before removing them. Retain the carrier and screws, and install them on the new hard drive. 4 Remove the four screws.
Take Apart TV Tuner - 4 7 TV Tuner Before you begin, remove the following: • I/O door • Logic board Note: The TV Tuner is an option. Caution: Review the ESD precautions in Bulletins/ Safety.
Take Apart TV Tuner - 4 8 1 Remove the Phillips s c rew. 2 Slide out the TV Tuner far enough to reach the TV Tuner cable..
Take Apart TV Tuner - 4 9 3 Disconnect the TV Tuner cable and remove the TV Tuner..
Take Apart Power Supply - 50 Power Supply Before you begin, remove the following: • Front bezel • I/O door • Rear housing • Logic board • EMI shield ± Warning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.
Take Apart Power Supply - 51 1 Remove the Phillips screws from the bottom right corner of the power supply and from the rear of the power supply..
Take Apart Power Supply - 52 2 Slide the power supply back to clear the interlocking tab and lift it from the guide rail. 3 Support the power supply next to the guide rail, on top of the chassis.
Take Apart Power Supply - 53 4 Disconnect the following cables: • 2-pin degauss cable from location P802 • 2-pin power supply- to-flyback connector from location P803 • 2-pin fan cable from loca.
Take Apart Power Supply - 54 Note: The power supply- to-analog board connectors are keyed and fit snugly. You may need to use a jeweler’s screwdriver to loosen the sockets of the following connector.
Take Apart Video Board - 5 5 Video Board Before you begin, • Remove the rear housing • Remove the front bezel • Remove the logic board • Remove the rear EMI shield • Discharge the CRT • Re.
Take Apart Video Board - 5 6 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. 1 If an adhesive glue secures the video board to the CRT, cut and peel it off before removing the board.
Take Apart Video Board - 5 7 by several cables and form one service unit. Pull off the video board. 3 Disconnect the ground cable on the chassis, which is connecting the video board to the fan.
Take Apart Analog Shield - 5 8 Analog Shield Before you begin, • Remove the rear housing • Remove the front bezel • Remove the logic board • Remove the rear EMI shield • Discharge the CRT • Remove the anode cap • Remove the video board ± W arning: This product contains high voltage and a high-vacuum picture tube.
Take Apart Analog Shield - 5 9 1 Remove the grounding cable and screw from the upper front corner of the analog board shield. 2 Remove the screw from the lower rear side of the analog board shield.
Take Apart Analog Shield - 6 0 3 Slide the analog board shield back to clear the interlocking tabs and side runners. 4 Remove the analog board shield..
Take Apart Analog Board - 6 1 Analog Board Before you begin, • Remove the front bezel • Remove the I/O door • Remove the rear housing • Remove the logic board • Remove the rear EMI shield .
Take Apart Analog Board - 6 2 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. Note: Do not disconnect the cables connecting the video board and the analog board.
Take Apart Analog Board - 6 3 2 Lift up the lower back corner of the analog board to disengage the rear bracket from the chassis slot. 3 Slide the analog board back to clear the interlocking tab and lift it from the guide rail.
Take Apart Analog Board - 6 4 4 Lift up the analog board just enough to clear the security rail and rest the analog board on the top of the chassis. Note: For a diagram of analog board cable connections, refer to the diagram at the end of this topic. 5 Disconnect the yoke cable at the power supply.
Take Apart Analog Board - 6 5 Note: Do not disconnect the cables connecting the video board and the analog board. 7 Note: The power supply-to-analog board connectors are keyed and fit snugly.
Take Apart Analog Board - 6 6 8 Disconnect the following cables from the analog board: • Microphone cable at the connector closest to the top of the CRT.
Take Apart Fan - 6 7 Fan Before you begin, • Remove the I/O door • Remove the rear housing • Remove the front bezel • Remove the rear EMI shield • Discharge the CRT • Remove the anode cap .
Take Apart Fan - 6 8 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.
Take Apart Fan - 6 9 2 Slide the fan toward the power supply to release the two tabs. 3 Remove the fan..
Take Apart Tilt/Swivel Base - 70 Tilt/Swivel Base Before you begin, remove the following: • Front bezel • Rear housing ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety.
Take Apart Tilt/Swivel Base - 71 1 Place the display face down on a padded surface. 2 Remove the two screws at the back of the tilt/ swivel base. 3 Separate the back of the base from the metal chassis by a few inches. 4 Slide the tilt/swivel base up and remove it from the chassis.
Take Apart Tilt/Swivel Base - 72 Replacement Note: Align the tabs at the front of the tilt/ swivel base with the slots in the chassis. Angle the tilt/ swivel base and slide in the tabs.
Take Apart CRT - 7 3 CRT Before you begin, • Remove the I/O door • Remove the rear housing • Remove the front bezel • Remove the logic board • Discharge the CRT • Remove the rear EMI shiel.
Take Apart CRT - 7 4 ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. ± Warning: Support the top of the CRT. The CRT is very heavy and may fall forward as you complete this procedure.
Take Apart CRT - 7 5 2 Pry back the metal tab from the raised slot on each side of the chassis..
Take Apart CRT - 7 6 3 Tilt the top of the CRT and frame ass embly forward. 4 Push back the bottom of the CRT frame to disengage the line of CRT frame and chassis tabs and slots.
Take Apart CRT - 7 7 Replacement Note: Align the line of tabs on the CRT frame with the line of slots on the front of the chassis..
Take Apart Chassis/Wiring Harness - 78 Chassis/Wiring Harness Before you begin, • Remove the I/O door • Remove the rear housing • Remove the front bezel • Remove the CD-ROM drive, if any • R.
Take Apart Chassis/Wiring Harness - 79 • Discharge the CRT • Remove the analog shield • Remove the analog/video board assembly • Remove the power supply • Remove the tilt/swivel base • Remove the CRT • Remove the fan Remove the chassis/wiring harness.
Service Source K Upgrades Po wer Macintosh/Performa 5260, 5280 Series.
Upgrades TV or TV/FM Tuner - 1 TV or TV/FM Tuner Before you begin, remove the following: • I/O door • Logic board Note: The TV Tuner is an option. Caution: Review the ESD precautions in Bulletins/ Safety.
Upgrades TV or TV/FM Tuner - 2 1 Remove the Philips screw. 2 Lift off the metal bracket from the chassis..
Upgrades TV or TV/FM Tuner - 3 3 Connect the TV Tuner cable. 4 Slide the TV Tuner into place..
Upgrades SIMM Upgrade - 4 SIMM Upgrade Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety.
Upgrades SIMM Upgrade - 5 Note: The plastic pin on the SIMM slot should engage the hole in the SIMM. Note: Verify that the clips on both sides of the SIMM slot snap into place.
Upgrades Communications Card Installation - 6 Communications Card Installation Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Note: This procedure shows installing a modem card, but the steps are similar for other communications cards you might be installing.
Upgrades Communications Card Installation - 7 1 Remove the communications card access cover by pushing the two plastic tabs apart and removing the metal shield.
Upgrades Communications Card Installation - 8 2 Angle the hook-end of the card down and bring the hook under and up through the communications card access port.
Upgrades Communications Card Installation - 9 Replacement Note: If you are installing an Ethernet card and its fence does not include a hook, replace the fence. 3 Remove the card. 4 Remove the two card fence screws. 5 Remove the old fence. 6 Install the replace- ment fence on the card.
Upgrades Communications Card Installation - 1 0 7 Insert the card connector into the communications slot. Note: Be sure the hook remains against the outside of the logic board fence. 8 Reset the logic board following the procedure in “Logic Board Reset” in the Additional Procedures chapter.
Upgrades External Video Connector - 1 1 External Video Connector Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety.
Upgrades External Video Connector - 1 2 Note: The Apple External Video Connector provides “mirroring” or display of the system’s monitor screen on a presentation screen. In addition to the ribbon cable with card and the connector, the Apple External Video Connector kit includes a metal access shield, a plastic access cover, and two jack nuts.
Upgrades External Video Connector - 1 3 1 Remove the plastic access cover fro m the logic board fence. 2 Lift the metal access shield up and out. Metal Access Shield Plastic Access Cover Fence Externa.
Upgrades External Video Connector - 1 4 3 Insert the slotted metal access shield that came with the External Video Connector kit. Note: Make sure the bottom of the metal shield engages the two small hooks on the logic board fence. 4 Insert the card at the end of the ribbon cable into the external video slot on the logic board.
Upgrades External Video Connector - 1 5 5 Insert the connector end of the ribbon cable through the slotted opening of the shield and fence. 6 Secure it with the jack nuts. Note: Fold the ribbon cable to avoid crimping. 7 Insert the slotted plastic access cover that came with the kit.
Upgrades External Video Connector - 1 6 the fan, which causes a rattling sound. To avoid this, be sure to fold or press the cable down flat..
Upgrades L2 Cache Installation - 17 L2 Cache Installation Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Align the notches in the L2 cache card with the small ribs inside the L2 cache slot.
Upgrades L C PDS Card Installation - 1 8 LC PDS Card Installation Before you begin, remove the following: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. 1 Remove the access cover from the LC PDS port. 2 Angle the connector end of the LC PDS card into the LC PDS port, and snap the card into place.
Service Source K Additional Procedures Po wer Macintosh/Performa 5260, 5280 Series.
Additional Procedures Battery Verification - 1 Battery Verification Before you begin, remove the following: • I/O door • Logic board • Battery Caution: Review the ESD precautions in Bulletins/ Safety.
Additional Procedures Battery Verification - 2 1 Se t the voltmeter to the 10 V DC scale. 2 Hold the positive probe of the voltmeter to the positive end of the battery and the negative probe to the negative end of the battery. 3 If the battery voltage is below 3.
Additional Procedures Battery Replacement - 3 Battery Replacement Before you begin, remove the follo wing: • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety.
Additional Procedures Battery Replacement - 4 1 Pull up and disconnect the conne ctor. 2 Pull up and remove the battery from its hook- and-loop base..
Additional Procedures Cuda Chip Reset - 5 Cuda Chip Reset Before you begin, remove the fo llowing: • Power cord • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety. Press the Cuda reset switch on the logic board using a flat plastic tool.
Additional Procedures Logic Board Reset - 6 Logic Board Reset Before you begin, remove the following: • Power cord • I/O door • Logic board Caution: Review the ESD precautions in Bulletins/ Safety.
Additional Procedures Logic Board Reset - 7 1 Pull up and disconnect the connector. 2 Pull up and remove the battery from its hook- and-loop base. 3 Wait 5 to10 minutes, and then replace battery.
Additional Procedures Logic Board Reset - 8 4 Press the Cuda reset switch on the logic board using a flat plastic tool. 5 Align the logic board at an upward angle to clear EMI clips. 6 Fully seat the logic board in the enclosure. 7 Replace the I/O door and power cable.
Additional Procedures Logic Board Reset - 9 Note: If this procedure resolves the problem, claim an adjustment on an SRO. If not, replace defective component and do not claim the adjustment.
Service Source K Adjustments Po wer Macintosh/Performa 5260, 5280 Series.
5260 and 5280 Adjustments Light Meter Setup - 1 Light Meter Setup This topic covers setup for three light meter models: R77, L-248, and 246. Model R77 (Apple part number 076-0310) is the newest model available. Model R77 The R77 light meter is capable of reading luminance from 10 to 1,000 footcandles (fc).
5260 and 5280 Adjustments Light Meter Setup - 2 from the lens. Three scales are shown on the light meter: • 200-1000 fc • 50-250 fc • 10-50 fc Because display screen luminance typically ranges from 10 to 50 fc, take readings from the bottom scale only.
5260 and 5280 Adjustments Light Meter Setup - 3 To measure a display screen’s luminance, 1 Set the scale switch to the bottom position (to set up the 10-50 fc scale).
5260 and 5280 Adjustments Light Meter Setup - 4 readings, verify the readings with a known-good light meter or photometer. Also check the age of the R77 light meter by its four-digit manufacturing date stamp (such as 0398 for March 1998). Caution: Dropping the meter can permanently damage its accuracy.
5260 and 5280 Adjustments Light Meter Setup - 5 Model L-248 1 Press the red button on the back of the light meter. If the reading is out of the red area, replace the battery. 2 Move the side switch to its lower position so that the scale reads 2 through 10.
5260 and 5280 Adjustments Light Meter Setup - 6 Model 246 1 Remove the metal slide, if installed, from the top of the light meter. 2 Install the white lens with the red dot. 3 Rotate the swivel head so the lens of the meter faces the monitor. 4 Place the lens against the middle of the screen and read the scale.
5260 and 5280 Adjustments Geometry - 7 Geometry Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. ± W arning: Do not use metal alignment tools—they are a shock hazard.
5260 and 5280 Adjustments Geometry - 8 Note: The controls on this monitor require a small plastic Phillips-head tool or a small plastic flat-head tool to make adjustments.
5260 and 5280 Adjustments Geometry - 9 Horizontal Shift 1 Run Display Service Utility from the Utilities folder of the MacTest Pro CD to display the All- White Screen. 2 Using a flat-blade plastic tool, adjust the horizontal shift control (R410) until the raster is centered (left to right) in the display area.
5260 and 5280 Adjustments Geometry - 1 0 V ertical Shift 1 Run Display Service Utility from the Utilities folder of the MacTest Pro CD to display the All- White Screen. 2 Using a flat-head plastic adjustment tool, adjust the vertical shift (R320) control until the raster is centered (top to bottom) in the display area.
5260 and 5280 Adjustments Geometry - 1 1 Horizontal Size 1 Run Display Service Utility to display the All-White Screen Test Pattern. 2 Using a flat-blade plastic tool, adjust the Horizontal Size 2 control (R440) until the raster width is 9.
5260 and 5280 Adjustments Geometry - 1 2 V ertical Size 1 Run Display Service Utility to display the All-White Screen Test Pattern. 2 Using a flat-blade plastic tool, adjust the vertical size 1 control (R327) until the raster height is 7.3 inches (± 1/8 inch) or 185 mm (± 2 mm).
5260 and 5280 Adjustments Geometry - 1 3 F ocus 1 Run Display Service Utility to display the Focus test pattern. 2 Using a flat-head plastic adjustment tool, adjust the focus control on the flyback transformer until the Focus test pattern reaches the best center-of-screen performance.
5260 and 5280 Adjustments Geometry - 1 4 Con vergence Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. 1 Run Display Service Utility to display the Crosshatch 1 Test Pattern.
5260 and 5280 Adjustments Geometry - 1 5 Important: Use a fine-tip plastic adjustment tool for the following adjustments. 2 Adjust the Yv control (yoke-mounted vertical dynamic convergence) for best convergence of vertical lines at the top and bottom of the screen.
5260 and 5280 Adjustments Geometry - 1 6 Geometric Distortion Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube. To prevent serious injury, review CRT safety in Bulletins/Safety. 1 Run Display Service Utility to display the Crosshatch 1 Test Pattern.
5260 and 5280 Adjustments Geometry - 1 7 Important: Use a fine-tip plastic adjustment tool for the following adjustments. 2 If the raster is barrel- shaped, adjust the Pincushion (E/W 2) control. 3 If the raster is narrower or wider at top than bottom, adjust the Keystone (R438) control.
5260 and 5280 Adjustments Video - 1 8 Video Before you begin, remove the rear housing. ± W arning: This product contains high voltage and a high-vacuum picture tube.
5260 and 5280 Adjustments Video - 1 9 Note: Perform the Cutoff/ White Balance adjustments after the display has been on for at least 10 minutes. 1 Open the Screen control panel. 2 Set the Screen Brightness slider control to its midpoint. 3 Set the Screen Contrast slider control to its maximum (far right) position.
5260 and 5280 Adjustments Video - 2 0 Important: Use a fine-tip plastic adjustment tool for the following adjustments. 5 Set the following controls to their midpoints: • Green Bias (R940) • Red Bi.
5260 and 5280 Adjustments Video - 2 1 6 Set R437 to its midpoint. 7 Run Display Service Utility to display the Gray Bars test pattern. (R437) Run Display Service Utility Gray Bars Test Pattern.
5260 and 5280 Adjustments Video - 2 2 8 Adjust the Screen control on the flyback transformer very slowly until the first bar (furthest on left) is solid black and the bar to its immediate right is very dark.
5260 and 5280 Adjustments Video - 2 3 9 Open the Screen control panel. 1 0 Set the Screen Contrast slider control to its midpoint. Screen Screen Control Panel Screen Brightness Screen Contrast.
5260 and 5280 Adjustments Video - 2 4 11 Run Display Service Utility to display the Gray Bars Test Pattern. 12 Note: Ensure that the left-most bar remains solid black while performing this step. Adjust the red and green Bias controls to neutralize the darkest bars (left side) of the Gray Bars Test Pattern.
5260 and 5280 Adjustments Video - 2 5 Note: If the screen shows a predominant blue color, adjust the green Bias control (R940) until the blue color is neutralized.
5260 and 5280 Adjustments Video - 2 6 1 3 Open the Screen control panel. 1 4 Set the Screen Contrast slider control to its maximum (far right) position. Note: At this point, the screen might appear too bright and out of focus. 15 Run Display Service Utility to display the Gray Bars Test Pattern.
5260 and 5280 Adjustments Video - 2 7 1 6 If the screen shows a predominant blue color, adjust the Green Drive Control (R531) until the blue color is neutralized.
5260 and 5280 Adjustments Video - 2 8 18 Run Display Service Utility to display the All-White Screen Test Pattern. 1 9 Hold a light meter or photometer against the center of the screen.
5260 and 5280 Adjustments Video - 2 9 2 0 Adjust the Sub- Brightness control (R500) to decrease the brightness until the screen luminance measures one of the following: • 20 ±3 on the bottom scale .
5260 and 5280 Adjustments Power Supply - 30 Power Supply Note: This adjustment must be performed whenever the analog board or power supply are removed. 1 Connect the DC voltmeter ground lead to the metal chassis. 2 Connect the other lead of the DC voltmeter to pin 3 of connector P805 on the power supply.
5260 and 5280 Adjustments Power Supply - 31 3 Adjust control R828 so that the voltmeter reads 110 VDC. R828.
Service Source K Exploded V ie w Po wer Macintosh/Performa 5260, 5280 Series.
Exploded View 1 Power Supply Board 661-1133 Analog/Video Board Assembly 661-1134 CRT Assembly 661-1135 I/O Door 922-2190 Rear Housing 922-2156 Speakers 922-2644 Internal Microphone 922-2044 Front Beze.
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 Apple 5260 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 Apple 5260 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Apple 5260, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Apple 5260 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Apple 5260, 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 Apple 5260.
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 Apple 5260. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Apple 5260 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.
