Manuel d'utilisation / d'entretien du produit 14N21NS du fabricant Toshiba
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SERVICE MANUAL PRINTED IN UK. 2002 C COLOUR TELEVISION 14N21NS TOSHIBA.
SERVICING NOTICES ON CHECKING 6. AVOID AN X-RAY 1. KEEP THE NOTICES As for the places which need special attentions, they are indicated with the labels or seals on the cabinet, chassis and parts. Make sure to keep the indications and notices in the operation manual.
CONTENTS A2-1 SERVICING NOTICES ON CHECKING ...................................................................................................... HOW TO ORDER PARTS .....................................................................................
GENERAL SPECIFICATIONS G-1 TV CRT CRT Size / Visual Size 14 inch / 335.4mmV System CRT Type Normal Deflection 90 degree Magnetic Field BV/BH +0.45G/0.18G Color System PAL Speaker 1 Speaker Position Bottom Size 1.5 x3.0 Inch Impedance 8 ohm Sound Output MAX 1.
GENERAL SPECIFICATIONS G-7 On Screen Menu Yes Display Menu Type Character Picture Yes Contrast Yes Brightness Yes Colour Yes Tint (NTSC Only) Yes Sharpness Yes Audio No Bass No Treble No Balance No BB.
GENERAL SPECIFICATIONS G-10 Remote Unit RK-EY (CT-835) Control Glow in Dark Remocon No Format NEC Custom Code 40-BF h Power Source Voltage(D.C) 3V UM size x pcs UM-4 x 2 pcs Total Keys 32 Keys Keys Po.
GENERAL SPECIFICATIONS G-12 Accessories Owner's Manual Language Swedish, Norwegian, Danish, Finnish, Turkish w/Guarantee Card No Remote Control Unit Yes Rod Antenna Yes Poles 2Pole Terminal D-typ.
GENERAL SPECIFICATIONS G-16 Carton Master Carton No Content ---- Sets Material -- /-- Dimensions W x D x H(mm) -- x -- x -- Description of Origin Yes Gift Box Yes Material Double/Brown Dimensions W x .
1. REMOVAL OF ANODE CAP Read the following NOTED items before starting work. After turning the power off there might still be a potential voltage that is very dangerous. When removing the Anode Cap, make sure to discharge the Anode Cap's potential voltage.
B2-1 Masking Tape (Cotton Tape) DISASSEMBL Y INSTRUCTIONS 2. REMOVAL IC Put the Masking Tape (cotton tape) around the Flat Package IC to protect other parts from any damage.
B2-2 DISASSEMBL Y INSTRUCTIONS Supply soldering from upper position to lower position IC Supply the solder from the upper position of IC leads sliding to the lower position of the IC leads. (Refer to Fig. 2-6.) 2. Fig. 2-6 Soldering Iron Solder IC Absorb the solder left on the lead using the Braided Shield Wire.
C-1 SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 2 seconds.
C-2 If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. WHEN REPLACING EEPROM (MEMORY) IC Table 1 1. 2. Enter DATA SET mode by setting VOLUME to minimum.
ELECTRICAL ADJUSTMENTS D-1 2. BASIC ADJUSTMENTS 2-1: CONSTANT VOLTAGE 1. 2. 3. 4. Place the set with Aging Test for more than 5 minutes. Connect the digital voltmeter to TP501 . Set condition is AV MODE without signal. Adjust the VR501 until the DC voltage is 135 ± 0.
ELECTRICAL ADJUSTMENTS D-2 Receive an 70dB monoscope pattern. Turn the Focus Volume fully counterclockwise once. Adjust the Focus Volume until picture is distinct. 2-6: FOCUS 1. 2. 3. 2-7: HORIZONTAL POSITION 1. 2. 3. 4. 5. 6. 7. 8. Receive the monoscope pattern from the Pattern Generator.
ELECTRICAL ADJUSTMENTS D-3 2-13: TINT 1. 2. 3. 4. 5. Receive the PAL color bar pattern. (Audio Video Input) Using the remote control, set the brightness and contrast to normal position. Connect the oscilloscope to TP023 . Activate the adjustment mode display of Fig.
ELECTRICAL ADJUSTMENTS D-4 3. 1. 2. 3. 1. 2. 3. 4. 5. 6. 7. 8. 3-2: PURITY NOTE Adjust after performing adjustments in section 3-1. 1. 2. 3. 4. 5. Receive the green raster pattern from color bar generator. Adjust the pair of purity magnets to center the color on the screen.
D-5 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) MAIN PCB J1001 J702 J703 FB401 VR501 TP501 R503 VR401 VR420 J701 CP101 TU001 TP001 SPEAKER CP1001 CD801 CP5.
MAIN W/T.TEXT IC101 OECF004A TU001 CHROMA IC201 STV2246C SOUND AMPIC IC1001 AN7511 V-DRIVE IC401 TDA8714A FB401 SW TRANS T501 CVBSOUT1 XTAL2 29 39 VCC_IF VCC_D 53 12 OSD-R 36 XTAL1 40 VCC1 VCC2 17 45 OSD-G 35 OSD-B 34 FM_OUT 11 7 1 5 4 11 SCL SDA BPL AGC IF 7 6 8 I2C P.
C401 R408 VR420 J701 C503 C 5 02 C446 C412_1 Q501 R707 R706 W086 R407 C408 C414 C417 C418 R416 R403 R409 R410 HS401 IC401 C629 L702 L703 R703 C437 R417 CP802A Q401 R502 CP401 C410 R402 T401 R445 R446 .
CUT CUT 17 33 49 1 C703 R419 R709 R644 C413 R406 R412 R702 R713 R714 R715 C701 R523 R531 C541 R530 R533 R534 C624 C605 C612 C607 C603 R217 Q603 R630 R629 R628 C608 R205 C218 Q201 C204 C212 R202 R215 C.
ABC D E F G H ABC D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 CAUTION: DIGITAL TRANSISTOR IC199 S-24C04BDP-LA MEMORY 1234 5 6 7 8 SW106 SKHVBED010 CH UP SW107 SKHVBED010 CH DOWN SW102 SKHVBED010 VOL UP SW104 SKHVBED010 VOL DOWN R144 10K R004 270 1/4W R003 270 1/4W R104 820 R102 2.
ABC D E F G H ABC D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 S101X S101Y IC201 STV2246C CHROMA 1 1 01 11 21 31 41 51 61 71 81 9 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 6789 L703 10uH L702 10uH L204 10uH L203 1uH Q603 2SC2412K H.
ABC D E F G H ABC D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 Q511 KTA1281_Y P.CON SW Q506 2SA1037AK P.FAIL Q504 2SA1624 EMERGENCY DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY,USE ONES ARE SINCE THE.
ABC D E F G H ABC D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 Q401 2SD2499 H.OUTPUT CD801 SM1573-001 CP801_1 003P-2100 1 F J801 HPS3200-010501 1 3 4 5 6 7 8 9 B G R 11 6 8 10 9 1 7 5 V801 A34AGT13X98(L).
ABC D E F G H ABC D E F G H 2 1 3 4 5 6 7 8 2 1 3 4 5 6 7 8 J1001 MSJ-035-12A_PC HEADPHONE_JACK 1 2 3 SPEAKER SP1001 SA08A05BWB W/WIRE HN C E J703 HTJ-032-05AW 1 23 HN C E J702 HTJ-032-05AY 1 23 DESCR.
WAVEFORMS MICON/TUNER 1 CHROMA/SIF/VIF/21PIN 2 3 4 5 10 9 8 7 6 12 13 14 15 H-1 The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. NOTH: 0.2ms 1.00V 0.2ms 1.00V 0.5 µ s 1.00V 0.5 µ s 1.00V 10ms 1.
WAVEFORMS SOUND AMP DEFLECTION/CRT 17 18 19 20 21 22 23 24 25 26 27 28 29 The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram. NOTH: H-2 20 µ s 5.00V 10ms 1.00V 10ms 10.0V 10ms 10.0V 20 µ s 10.
MECHANICAL EXPLODED VIEW 201 201 201 114 201 PCB110 (CRT PCB) 110 112 202 202 202 202 202 204 101 105 106 107 109 108 111 203 115 102 103 104 207 206 206 205 113 PCB010 (MAIN PCB) I-1.
MECHANICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION 101 A3L804M720 CABINET,FRONT ASSY 102 752WSA0216 SHIELD,CASE 103 752WSA0272 SHIELD,AUDIO 104 752WSA0286 SHIELD,IC 105 701UPJ0305 CABINET.
ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS RESISTORS R001 R002T2183J RC 18K OHM 1/2W ! R501 R5X2CD5R6J R,CEMENT 5.6 OHM 5W R002 R002T2183J RC 18K OHM 1/2W R502 R002T2155J RC 1.5M OHM 1/2W R003 R002T4271J RC 270 OHM 1/4W R503 R3X18A1R2J R,METAL OXIDE 1.
ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION RESISTORS CAPACITORS R714 R801R7750J RC 75 OHM 1/10W C435 P235W1104J CMP 0.1 UF 100V MKT R715 R801R7750J RC 75 OHM 1/10W C437 P4J7F3394J CMPP 0.39 UF 250V PMS R719 R801R7104J RC 100K OHM 1/10W C440 P235W1103J CMP 0.
ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION CAPACITORS TRANSISTORS C1004 CS0RB04W2K CC 820 PF 50V B Q511 TAAT01281Y TRANSISTOR,SILICON KTA1281_Y C1005.
ELECTRICAL REPLACEMENT PARTS LIST REF. NO. PART NO. DESCRIPTION MISCELLANEOUS OS101 0773071001 REMOTE RECEIVER RPM7138-H5 PH001 069D01001A CONNECTOR PCB SIDE 003P-2100 or 069W01001A CONNECTOR PCB SIDE.
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 Toshiba 14N21NS 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 Toshiba 14N21NS - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Toshiba 14N21NS, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Toshiba 14N21NS va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Toshiba 14N21NS, 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 Toshiba 14N21NS.
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 Toshiba 14N21NS. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Toshiba 14N21NS 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.