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SERVICE MANUAL

PRINTED IN UK. 2002 C

COLOUR TELEVISION

14N21D2

TOSHIBA

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Summary of Contents for 14N21D2

Page 1: ...SERVICE MANUAL PRINTED IN UK 2002 C COLOURTELEVISION 14N21D2 TOSHIBA ...

Page 2: ...ADDRESS and DATA should appear as FIG 1 ADDRESS is now selected and should blink Using the VOL button on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press OK to select DATA When DATA is selected it will blink Again step through the DATA using VOL button until required DATA value has been selected Pressing OK will take you back to ADDRESS for further selectio...

Page 3: ...on the remote control to select the options shown in Fig 1 2 Press the MENU button on the remote control to end the adjustments NO 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 FUNCTION CUT OFF RF AGC AGC GAIN R DRIVE R CUTOFF G DRIVE G CUTOFF B DRIVE H POSI 50 V POSI 50 V POSI 60 V SIZE 50 V SIZE 60 VCO COARSE VCO FINE VCO COARSE L1 VCO FINE L1 BRIGHT CENT BRIGHT MAX BRIGHT MIN NO 0...

Page 4: ... monoscope pattern from the Pattern Generator Using the remote control set the brightness and contrast to normal position Adjust the VR401 until the horizontal line becomes fit to the notch of the shadow mask Adjust the VR420 until the SHIFT quantity of the OVER SCAN on upside and downside becomes minimum 2 9 VERTICAL POSITION VERTICAL LINEARITY 1 2 3 4 2 10 BRIGHT CENT 1 2 3 4 5 6 7 Receive the P...

Page 5: ...ion of Fixed Value Step No Please check if the fixed values of the each adjustment items are set correctly referring below NO 02 04 06 07 09 10 18 19 20 21 23 24 26 27 30 31 32 33 34 35 36 37 38 FUNCTION AGC GAIN R CUTOFF G CUTOFF B DRIVE V POSI 50 V POSI 60 BRIGHT MAX BRIGHT MIN TINT SHARP CONTRAST MAX CONTRAST MIN COLOR MAX COLOR MIN M B CUT OFF CVBS OUT APR THRESHOLD BELL FILTER BANDPASS H POSI...

Page 6: ...Switch the color bar generator from the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magenta and green by adjusting the pair of 6 pole magnets Adjust the crosshatch pattern to change to white by repeating steps 6 and 7 Turn the unit on and let it warm up for...

Page 7: ...UIDE WIRING CONNECTION MAIN PCB CRT PCB FB401 J701 TP002 TP003 CP101 TU001 CRT CP401 VR501 VR401 VR420 R527 TP023 CP803A CD803 CD802 J801 CP806 CP801 CD801 GND CRT SPEAKER CP1001 C P 5 0 2 L503 DEG AUSS CO IL TP024 AC IN TP502 CP802A C D 8 0 2 B CD803B R 8 0 5 R 8 0 7 ...

Page 8: ...ESET IC IC102 PST3231NR REG 9V IC IC503 KIA78R09API 10 HV F S FB401 FBT Q803 V801 CRT 3 9 7 R G B Heater F 8 4 1 27 25 28 7 16 15 11 20 6 GREEN OUT BLUE OUT Q201 VIF PRE AMP POWER Q501 F501 AC IN 3 4 1 2 L501 L503 DEGAUSS COIL D501 D504 RECTIFIER T501 5 17 3 8 D101 Q103 LED SW DY RF_AGC_OUT PIFIN2 PIFIN1 OSD_R OSD_G OSD_B OSD_BK SCL SDA CVBSIN2 BLK_EXT R_EXT V_EXT G_EXT Y_EXT B_EXT U_EXT EXT_AUDIO...

Page 9: ...05R VOL UP SW102 EVQ21505R CH DOWN SW101 EVQ21505R CH UP IC199 S 24C16AFJA TB 01 MEMORY IC 1 2 3 4 5 6 7 8 TM101 RC GX010 BT001 R03 AB 2PXGPI BT002 R03 AB 2PXGPI OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP001 003P 2100 CAUTION DIGITAL TRANSISTOR CP101 06JQ ST 1 2 3 4 5 6 Vout B GND OS101 RPM7138 H5 1 2 3 Q102 KRA102SRTK GREEN LED DRIVE ...

Page 10: ...1 KTC3881S RTK VIF PRE AMP Q204 2SC2412K SIF BUFFER Q605 2SC2412K BUFFER Q202 2SC2412K BUFFER WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED D709 MTZJ5 1B D609 MTZJ5 6B X601 100CT4R408 4 433619MHz X602 100CT3R509 3 579545MHz L202 3 3uH 0305 L601 10uH 0305 OF PRINTING AND SUBJECT TO CHANGE WITHOUT N...

Page 11: ...7P CH C1004 0 0015 B C1003_1 0 1 50V KA C711 100 10V YK C1007 10 16V KA C1005_1 0 47 50V KA C745 10 16V KA C744 10 16V KA C1001 470 16V YK C1006 220 16V YK WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED L714 10uH 0305 IC703 NJM2233BM T1 AUDIO SW MONO IC 1 2 3 4 5 6 7 8 IC1001 AN7511 SOUND AMP IC 1 ...

Page 12: ...0P B C437 0 39 250V PMS C412 0 047 MMTV C805_2 680P CH C413 0 082 B C401 220P CH C819 0 001 2KV B C440 0 01 100V MMTS C443 0 0082 1 25KV CMPP C435 0 1 100V MMTS W815 C423 2 2 250V MHE C408 10 16V KA C403 470 35V YK C448 10 250V YK C414 100 35V YK C446 22 50V YK C404 1000 10V YK D809 1SS133 D808 1SS133 D807 1SS133 D403 11E1 EIC D406 11E1 EIC D407 11E1 EIC D410 AU02A EIC D405 AU02A EIC D404 AU02A EI...

Page 13: ... R506 22K 1 4W C506_1 0 47 F C517_1 0 001 2KV RR C532 0 001 250V KX C528 0 0015 250V KX C529 0 01 B C503 0 001 2KV B C513 0 01 B C530 0 1 F C518 0 047 B C507_1 0 0015 2KV RR C509_1 0 001 2KV RR C504 0 001 2KV B C516_1 0 047 MMTV C524 0 0033 B C501_2 0 1 275V ECQUL C502_1 0 22 275V ECQUL C527 470P 250V KX C526_1 0 0033 B W825 C508 100 10V YK C505 82 400V USR C519 1 50V KA C514 10 16V KA C533 10 16V...

Page 14: ...g waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 0 5µs 1V 10ms 1V 20µs 1V 20µs 1V 50µs 100mV 0 2ms 1V 0 2ms 1V 50µs 0 5V 50µs 100mV 50µs 100mV 20µs 0 5V 12 2ms 200mV 13 20µs 1V 14 20µs 1V 16 20µs 100mV WAVEFORMS H 1 ...

Page 15: ...sponding balloon number in the schematic diagram NOTE 17 19 20 20µs 1V 20µs 1V 20µs 1V 23 24 20µs 200mV 10ms 1V 21 20µs 1V DEFLECTION CRT 33 34 35 10ms 1V 10ms 10V 10ms 10V 37 20µs 5V 36 20µs 10V 18 20µs 100mV 29 500us 500mV SOUND AMP FRONT AV 27 2ms 200mV 28 20µs 1 00V H 2 ...

Page 16: ...WAVEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 38 2µs 200V 39 20µs 50V 40 20µs 50V 41 20µs 50V H 3 ...

Page 17: ... 8121J50B54 SCREW TAP TITE P GW20 5x28 202 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10 204 BZ710030 8110630804 SCREW TAP TITE P BRAZIER 3x8 205 BZ710019 8109630802 SCREW TAP TITE B BRAZIER 3x8 206 BZ710562 8109I30804 SCREW TAP TITE B WH7 3x8 207 BZ710018 8107630804 SCREW TAP TITE S BRAZIER 3x8 AE001372 723000C198 SHEET BAR CODE AE000093 791...

Page 18: ... RC 220 OHM 1 4W R137 AE000972 R903N8271J RC 270 OHM 1 8W R138 BZ210122 R002T4472J RC 4 7K OHM 1 4W R139 AE000979 R903N8472J RC 4 7K OHM 1 8W R140 AE000973 R903N8272J RC 2 7K OHM 1 8W R141 AE000973 R903N8272J RC 2 7K OHM 1 8W R142 AE000973 R903N8272J RC 2 7K OHM 1 8W R143 AE000975 R903N8332J RC 3 3K OHM 1 8W R144 AE001138 R903N8182J RC 1 8K OHM 1 8W R145 AE001138 R903N8182J RC 1 8K OHM 1 8W R146 A...

Page 19: ...RC 100 OHM 1 4W R527 BZ210210 R3X28A1R2J R METAL OXIDE 1 2 OHM 2W R528 BZ210182 R002T4103J RC 10K OHM 1 4W R532 AD300780 R903N8102J RC 1K OHM 1 8W R541 AE000974 R903N8273J RC 27K OHM 1 8W R601 AE000969 R903N8152J RC 1 5K OHM 1 8W R602 AE000965 R903N8101J RC 100 OHM 1 8W R606 AE000965 R903N8101J RC 100 OHM 1 8W R607 AE000971 R903N8223J RC 22K OHM 1 8W R608 AE000980 R903N8473J RC 47K OHM 1 8W R618 A...

Page 20: ...V B C111 AE000310 CS0RB02Q5K CC 0 47 UF 16V B C112 AE000327 CS0RCH4W1J CC 82 PF 50V CH C113 AE000953 CS0KCH4H1J CC 22 PF 50V CH C114 AE000311 CS0RB0315K CC 0 1 UF 25V B C115 BZ110187 E02LT0102M CE 1000 UF 6 3V C116 AE000317 CS0RB04Q3K CC 0 0047UF 50V B C118 BZ110151 CS0RF0415Z CC 0 1 UF 50V F C119 BZ110278 CS0RB0216K CC 1 UF 16V B C120 BZ110278 CS0RB0216K CC 1 UF 16V B C121 AE000326 CS0RCH4U1J CC ...

Page 21: ...U2100M CE 10 UF 16V C601 AE000324 CS0RCH4Q1J CC 47 PF 50V CH C602 BZ110074 E50HU5010M CE 1 UF 50V C603 BZ110162 CS0RF0216Z CC 1 UF 16V F C604 BZ110074 E50HU5010M CE 1 UF 50V C605 BZ110162 CS0RF0216Z CC 1 UF 16V F C607 BZ110162 CS0RF0216Z CC 1 UF 16V F C608 BZ110255 CQGTB0415K CC 0 1 UF 50V B C609 AE000311 CS0RB0315K CC 0 1 UF 25V B C610 AD301535 E02LU2101M CE 100 UF 16V C611 BZ110217 E50HU53R3M CE...

Page 22: ...77 D521 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D522 BZ410100 D97U01801B DIODE ZENER MTZJ18B T 77 D523 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D524 AE000330 D97U03R61B DIODE ZENER MTZJ3 6B T 77 D525 BZ410122 D97U01201B DIODE ZENER MTZJ12B T 77 D528 BZ410021 D97U05R61B DIODE ZENER MTZJ5 6B T 77 D601 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D602 BZ410006 D1VT001330 DIODE SILICON 1SS133...

Page 23: ...A 3 5 MSJ 035 12A_PC SWITCHES SW101 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW102 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW103 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW104 BZ612010 0504101T34 SWITCH TACT EVQ21505R SW501 AE000574 0530105019 SWITCH ESB92S22B VARIABLE RESISTORS VR401 BZ210128 V1163H3BTC VOLUME SEMI FIXED EVNCYAA03BE3 VR420 BZ210109 V1163Q2BTC VOLUME SEMI FIXED EVNCYAA03BQ2 VR...

Page 24: ...12009 0560V20115 RELAY ALKS321 SP1001 BZ614428 070C132019 SPEAKER SA08A05BWC TH501 AE000329 D8E0J80A10 DEGAUSS ELEMENT B59104 J80 A10 TM101 AE000944 076N0GX010 TRANSMITTER RC GX010 TU001 AE001365 0145517007 TUNER VHF UHF TUWRF4EG 778F2A V801 BZ614342 098Y1404B9 CRT W DY A34JXV70X53N45 X101 AE001617 100CT4R013 CRYSTAL HC 49 U S X601 BZ613024 100CT4R408 CRYSTAL HC 49 U X602 BZ613025 100CT3R509 CRYST...

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