Related Manuals for Toshiba VTW21FQR
Summary of Contents for Toshiba VTW21FQR
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Page 1: Service Manual
FILE NO. 810-200551 SERVICE MANUAL COMBINATION 21" FLAT TV AND VIDEO CASSETTE RECORDER/DVD VIDEO PLAYER TELE TEXT VTW21FQR DOCUMENT CREATED IN JAPAN, June, 2005... -
Page 2: Dvd Block Diagram
DVD BLOCK DIAGRAM 16M SDRAM FLASH 8M 16M SDRAM IC4009 IC4007 IC4008 K4S161622H-UC60 K4S161622H-UC60 SST39VF800A-70-4C-EKE HA0~HA19, HD0~HD15 SDA0~SDA10 DVD LOADER TV BLOCK DM3P CD4002 DVD_CD, DVD_LD, CD_LD, VC RF, A, B, C, D, E, F Pick up UNREG+3.8V OPE-AMP VR COM, PD P.CON+A5V VR_DVD, VR_CD IC2304... -
Page 3: Tv Block Diagram
TV BLOCK DIAGRAM DVD C DVD Y 21_B 21_G DEMODULATOR/ 21PIN/NICAM 21_R 21_Y V-DRIVE IC T'TEXT/Hi-Fi/ TEXT_SYNC IC401 TDA8174A SOUND AMP TU_SIF Q602 DEMODULATOR/ S-TRAP Q405 Q406 BUFFER 21PIN/NICAM CF605 H-DRIVE H.OUTPUT JACK_VIDEO Q801, Q804 13 44 47 25 BLUE OUT TU VIDEO Y/C/AUDIO/ B.OUT... -
Page 4: Y/C/Audio/Head Amp Block Diagram
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM Y/C AUDIO T'TEXT/ Hi-Fi/ Q4606 SOUND AMP HF_COM T'TEXT/Hi-Fi/ BUFFER Y/C VIDEO SOUND AMP CP4501 33 35 51 36 HF1 (R) V AMP HF_COM MAIN Y CCD DE-EM HF2 (L) SQUELCH SP-CH1 (R) Clear P/Q EQ DLIM DEM0 TRAP... - Page 5 MICON BLOCK DIAGRAM SYSCON/TIMER/SERVO IC1006 OEC0144C Q1007 SW1001 POWER FAIL BUFFER POWER_FAIL (DC) TAB SW MO_SYNC IN TUNER_AGC AGC_M AT+5.6V DA RGB SW MS SEN-A TUNER_ON/OFF DEMODULATOR/ MS_SEN A EXT_IN_L EXT_IN_L 21PIN/NICAM Q1009 TUNER_MUTE TU_AUDIO_MUTE_H MS SEN-B MS_SEN B V.REC START-H V.
- Page 6 DEMODULATOR/21PIN/NICAM BLOCK DIAGRAM Q4210 TUNER ON/OFF J2204 FRONT_A_IN_R Q4207 MICON T'TEXT/Hi-Fi/ EXT_IN_L PERI SW SOUND AMP Q4205 J2203 FRONT_A_IN_L TU_AUDIO_MUTE_H MUTE SW J2202 FRONT_V_IN Y/C/AUDIO/ J4201 HEAD AMP 16 20 REAR_V_IN 15 19 BUFFER JACK_VIDEO TU_SIF Q4211 Q4201, Q4202 SOUND_L MUTE SW SOUND_R REAR_A_IN_R...
- Page 7 T'TEXT/Hi-Fi/SOUND AMP BLOCK DIAGRAM T'TEXT IC IC1201 ET-TVT0310A/Q TRIPLE ANALOG MPXER IC Q1262 IC1202 MM1231XF Y/C/AUDIO/ SW_OUT_Y BLK BUFFER BLANK VIDEO IN Y/C_VIDEO HEAD AMP 7 12 SW_OUT_R OUT1 IN1A SW_OUT_G OUT2 IN2A GREEN SW_OUT_B OUT3 IN3A BLUE 1 14 9 24 32 19 Q1253 SYNC BUFFER...
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Page 8: Printed Circuit Boards
PRINTED CIRCUIT BOARDS DVD (TOP SIDE) DVD (BOTTOM SIDE) C2316 R2359 R2356 Q2305 CP2301 R2303 CP2303 CP2302 Q2304 Q2303 R2337 R2327 R2324 R2325 R2329 R2330 R2326 R2323 R2328 C2307 Q2302 R2361 Q8101 W816 IC2304 R2335 R4061 R2333 R2309 B4009 C4032 C4001 C4096 R4078... - Page 9 PRINTED CIRCUIT BOARDS VCR (INSERTED PARTS) SOLDER SIDE CD602 CP2201 D1008 W312 CP8002 D3001 W174 W291 W102 S812X D1001 R4240 CP8001 W478 D1005 D1004 W305 W104 W078 W214 W121 W159 W077 R1056 C1012 W488 W089 W452 HS3101 W278 W893 W490 HS3002 HS3003 W101...
- Page 10 PRINTED CIRCUIT BOARDS VCR (CHIP MOUNTED PARTS) SOLDER SIDE DMD027A R662 R636 R5525 R624 R656 R5527 W844 R1032 W953 IC5502 IC5503 W492 IC4205 R4283 W859 R1203 Q1104 W857 R1108 IC4204 Q1262 R1262 R4217 W884 R5502 Q604 Q1253 Q4211 R626 R1253 R631 R607 R4203...
- Page 11 PRINTED CIRCUIT BOARDS MAIN/CRT/OPERATION/POWER SW SOLDER SIDE CP3601 S801Y C3616 VR1701 W042 CP3603 CP3602 C1723 C3615 C432 R1727 CMD014A D1715 R1723 W029 VR401 VR402 C1706 R406 R419 W823 S801X C414 W825 D1713 W007 C1724 D1723 C1726 R412 R421 W006 C1731 R417 W804 R1732...
- Page 12 PRINTED CIRCUIT BOARDS STEREO (INSERTED PARTS) STEREO (CHIP MOUNTED PARTS) SOLDER SIDE SOLDER SIDE CP6601 CP6602 W004 R6606 C6623 W019 W010 R6608 C6625 W008 W011 W013 X6602 C6639 C6624 C6638 L6602 L6601 DED026A DED026A LOADING MOTOR (INSERTED PARTS) LOADING MOTOR (CHIP MOUNTED PARTS) SOLDER SIDE SOLDER SIDE SOLDER SIDE...
- Page 13 MPEG/MICON/DSP/RF_AMP SCHEMATIC DIAGRAM (DVD PCB) C4038 0.01 B D4001 1SS355 JG001 UNREG+3.8V DUPTD1 FROM/TO AUDIO/VIDEO JG002 LEVEL_CONVERT JG003 BOOT2 Q4004 C4096 2SC2412K JG004 BOOT1 SYS_MUTE DAC_VIDEO_C D4005 JG005 R4052 DUPTD1 0.001 DAC_VIDEO_B JG006 1SS355 DUPRD1 DAC_VIDEO_D 4.7K C4032 ASDATA0 JG007 DUPTD0 ABCLK JG008...
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Page 14: Memory Schematic Diagram
MEMORY SCHEMATIC DIAGRAM (DVD PCB) 16M SDRAM IC 16M SDRAM IC FROM/TO MPEG/MICON/DSP/RF_AMP IC4008 IC4009 FLASH 8M IC K4S161622H-UC60 K4S161622H-UC60 SD_A0 C4050_1 IC4007 C4060 SD_A1 SST39VF800A-70-4C-EKE SD_A2 0.1 F 0.1 F SD_A3 HA16 HA15 SD_D15 SD_D0 SD_D15 SD_D0 SD_A4 DQ15 DQ15 SD_A5 C4064... - Page 15 MOTOR DRIVE SCHEMATIC DIAGRAM (DVD PCB) FROM/TO MPEG/MICON/DSP/RF_AMP R2361 DVD_CD DVD_LD 2.2K CD_LD W847 2.1V VR_DVD VR_CD DM3P(05SD) C2350 OPU_A OPU_B C2329_1 OPU_C FROM/TO LOADER OPU_D OPU_E 6.3V CP2301 OPU_F 09-5000-024-001-001 W804 C2331 HOME (RF_GND) JG015 0.1 B OPU_F (GND,D_GND) VR_DVD OPU_VREF (D_GND)
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Page 16: Audio/Video Schematic Diagram
AUDIO/VIDEO SCHEMATIC DIAGRAM (DVD PCB) CVBS CVBS CVBS CVBS C/B/U DAC_C_VIDEO Y/R/V DAC_B_VIDEO CVBS/C DAC_D_DVD_VIDEO FROM/TO MPEG/MICON/DSP/RF_AMP C8105 DAC_VIDEO_C DAC_VIDEO_C P.CON+A5V DAC_VIDEO_B DAC_VIDEO_D L8102 R8116 R8121 P.CON+5V D8101 0305 CD_LD_CTL 1SS355 C8108 W819 DAC_VIDEO_B CD_CONTROL Q8101 DTC124EKA L8103 RESET (RF_GND) 0305 TP8101 C8111... -
Page 17: Y/C/Audio/Head Amp Schematic Diagram
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM BUFFER (VCR PCB) Q4508 2SC2412K FROM REGULATOR1 FROM/TO SECAM CHROMA/Hi-Fi HF_COM NORMAL_A Q4607 2SC2412K Y/C_AUDIO R4655 Y/C_AUDIO L4608 H.SW R4653 R4654 TP4501 560K 330K P.CON+9V V.ENV FROM CHROMA/IF P.CON+5V_A R4665 TP4502 1K 1/4W R4533 TU_VIDEO R4601 DVD_VIDEO 10M 1/4W 1.5K... -
Page 18: Micon Schematic Diagram
D1006 MICON SCHEMATIC DIAGRAM D1010 SB140-EIC SB140-EIC (VCR PCB) FROM/TO REGULATOR1 R1096 AT+5.6V POWER_FAIL[DC] VCR_POWER_H AT+12V C1072 C1030 68P CH 0.1 F DEGAUSS_H DVD_POWER-H EMERGENCY TV_POWER_H P.CON+5V_C MOTOR_GND C1060 C1047_1 0.1 B P.CON+5V_A FROM/TO DVD IN/OUT R1024 R1004 VOL_CTL R1015 R1001 T-REC_LED CYL_DRIVE... -
Page 19: Dvd In/Out Schematic Diagram
DVD IN/OUT SCHEMATIC DIAGRAM (VCR PCB) OS2202 RPM7138-WH10 Vout MONITOR_A-R W823 FROM/TO DEMODULATOR/21PIN MONITOR_A-L DVD_AUDIO_L DVD_AUDIO_R R2208 R2206 R2204 R2203 R2201 R2205 SOUND_A-L 1.5K 1.8K 2.7K 3.9K 6.8K SOUND_A-R TO Y/C/AUDIO/HEAD AMP C4252_1 REMOCON_IN W857 SOUND_GND W807 AT+5.6V FRONT_V_IN C4253_1 W859 KEY_B FROM/TO SECAM CHROMA/Hi-Fi... -
Page 20: Chroma/If Schematic Diagram
CHROMA/IF SCHEMATIC DIAGRAM FROM/TO DEMODULATOR/21PIN (VCR PCB) L613 P.CON+8V_A L611 JACK_VIDEO 100uH 0305 P.CON+5V_C 21_B 100uH SAW FILTER 21_G P.CON+9V CF602_1 21_R SAW FILTER TSB6308Z CF601_2 21_Y FROM/TO MICON TSF5330Z H_CTL C621 TO DVD IN/OUT PROTECT 0.1 B AGC_M ZERO DVD_A_OUT_L R631 BUFFER... - Page 21 DEMODULATOR/21PIN SCHEMATIC DIAGRAM (VCR PCB) FROM REGULTOR1 FROM/TO CHROMA/IF AT+11.5V P.CON+5V_C TU_SIF P.CON+8V_A 21_R P.CON+9V 21_G 21_B 21_Y FROM/TO SECAM CHROMA/Hi-Fi C4201_1 JACK_VIDEO REAR_A_IN_L REAR_A_IN_R L4202 MONITOR_A-L P.CON+9V MONITOR_A-R 100uH 0305 REC_TU_A-L REC_TU_A-R FROM/TO MICON SOUND_A-L BUFFER SOUND_A-R Q4201 NICAM_RESET 2SC2412K BUFFER R4225...
- Page 22 T’TEXT/RGB SW SCHEMATIC DIAGRAM (VCR PCB) L1203 BUFFER 10uH 0305 Q1101 KTD863_Y R1115 BUFFER FROM Y/C/AUDIO/HEAD AMP Q1104 2SC2412K W839 R1108 Y/C_VIDEO FROM REGULATOR1 P.CON+9V P.CON+5V_C L1205 D1202 AT+5.6V SB140-EIC 10uH 0305 C1279 270P CH R1255 X1201 C1257 SYNC BUFFER 100CT01302 6.3V Q1253...
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Page 23: Sound Amp Schematic Diagram
SOUND AMP SCHEMATIC DIAGRAM SOUND AMP IC IC353 AN7522N (VCR PCB) HS33V5 HS352 763WAA0333 R307 C306_1 R301 27K 1/4W C308_1 R310 27K 1/4W R306 CD352 TO SPEAKER CU149003 SPEAKER CP352 WHITE SP353 A2502WV2-4P FROM MICON YDP4010-2 SP_OUT_L+ 8 OHM R309 C316 TV_A_MUTE SOUND_L-... - Page 24 SECAM CHROMA/Hi-Fi SCHEMATIC DIAGRAM (VCR PCB) R5504 R5509 L5501 C5524 active s-by Vref Iref Supply AT+11V 10.5 Y/C_AUDIO passive s-by 100uH 0305 playback level amplification C5529 detector decoder NORMAL_A select 1.3MHz 1.3MHz limiter +1db HF AGC 1.4MHz 1.4MHz HF_COM MONITOR_A-R record current HF LPF level...
- Page 25 REGULATOR1 SCHEMATIC DIAGRAM (VCR PCB) TO DEMODULATOR/21PIN L3001 AT+11.5V AT+11.5V 100uH P.CON+5V_C FROM POWER2 P.CON+8V_A CD8005 (CP3601) CU2F2201 P.CON+9V P.CON+5V_B P.CON+5V_B P.CON+12V TO Y/C/AUDIO/HEAD AMP P.CON+12V P.CON+9V_D 9V REG.IC P.CON+9V_D C3102 IC3101 P.CON+9V UNREG+3.8V KIA7809API UNREG+3.8V P.CON+5V_A UNREG+3.8V D3003 P.CON+9V 11E1-EIC AT+12V FROM/TO MICON...
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Page 26: Deflection Schematic Diagram
DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) V-DRIVE IC IC401 TDA8174A TO DY CP402 A1561WV2-A5P R404 330K +-1% D403 11E1-EIC L402 ELH5L4112N R448 R406 R420 6.8K 1/4W 8.2K 1/4W 1K 1W C450_1 0.001 HS401 763WSAA021 V801 A51LYZ095X80 C431 R430 250V 220 2W TO CHASIS_CASE R408 D404... - Page 27 CRT/POWER SW/OPERATION SCHEMATIC DIAGRAM (CRT PCB) FROM/TO CHROMA/IF CP853B (CP851) 52147-0710 SPOT_L B.OUT G.OUT R.OUT CUT_OFF FROM DEFLECTION (POWER SW PCB) CP852B (CP852A) B2013H02-4P HEATER H_GND 180V 180V FROM/TO DEFLECTION FROM/TO TV POWER S1703 BROWN CP801 (CD801) CD1704 (CP1704) A2361WV2-2P CHU2017A 100.6 98.4...
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Page 28: Tv Power Schematic Diagram
TV POWER SCHEMATIC DIAGRAM (MAIN PCB) C1707 500V 100P R1706 D1716 D1706 0.27 21DQ09N 1SS133 D1717 R1728 RELAY SW 21DQ09N Q1705 10K 1/4W KTC3203_Y RY1701 ALKS321_M60 TH1701 TO DEFLECTION PTDAA1BF140M200 R1704 FROM/TO CHOKE COIL T1701 81420674 C1715 CD504 MOTOR+12V 2.2 7W S1705 CH82036A 220P... - Page 29 POWER2 SCHEMATIC DIAGRAM (MAIN PCB) R3623 1 3W Q3602 KTB1366 5V REG. IC 5V REG.IC IC3603 IC3602 KIA7805API KIA7805API FROM/TO TV POWER 3.3V CTL DEGAUSS Q3603 KTC3203_Y P.FAIL R3607 3.3V CTL Q3601 SOUND+B 220 1/4W KTC3203_Y DRIVER R3615 SOUND_GND Q3607 +B SW.
- Page 30 5V REG IC NICAM SCHEMATIC DIAGRAM IC6603 KIA7805API (STEREO PCB) L6602 FROM/TO DEMODULATOR/21PIN 22uH 0607 CP6601 (CP6601) IMSA-6035B-13Z002-PT L6601 P.CON+8V[VCR] P.CON+8V[VCR] P.CON+8V[VCR] 22uH 0607 C6639 C6638 C6622 0.018 B 0.018 B TU_AUDIO_L TU AUDIO-L TU AUDIO-L TU AUDIO-L TU_AUDIO_R TU AUDIO-R TU AUDIO-R TU AUDIO-R TU AUDIO...
- Page 31 CHOKE COIL SCHEMATIC DIAGRAM (FILTER PCB) 69.0 69.8 69.8 71.0 FROM/TO TV POWER COIL IN COIL OUT CP504 (CD504) A2361WV2-2P PCBD00 CED033 CAUTION ATTENTION NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME :SINCE THESE PARTS MARKED BY :LES PIECES REPAREES PAR UN ETANT...
- Page 32 LOADING MOTOR/SW SCHEMATIC DIAGRAM (LOADING MOTOR PCB) (SW PCB) SSS-13-2 CD2302 2H052601 ESE22MH24 CD2301 SW-2(CLOSE) 2H062102 GND(SW) GND(SW) SW-1(OPEN) PICK UP INNER LIMIT SWITCH LOADING MOTOR(+) FEED MOTOR (-) M2602 LOADING MOTOR(-) BCZ3B03 FEED MOTOR (+) M2603 SPINDLE MOTOR (-) BCZ3B52 SPINDLE MOTOR (+) M2601...
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Page 33: Interconnection Diagram
CD4002 CP8001 CP2301 STEREO PCB INTERCONNECTION DIAGRAM GND(D) PCB310 GND(D) DED026 L4002 Vref Vref GND(M) GND(M) P.CON+9V P.CON+9V DRIVE P.CON+A5V P.CON+D5V DM-3 UNREG+3.8V UNREG+3.8V SW1(DVD/CD) SW1(DVD/CD) UNREG+3.8V UNREG+3.8V VRF(RF_OUT) VRF(RF_OUT) GND(A) SPDIF SPDIF CD8101 CP8101_2 CP8002 VR(DVD) VR(DVD) CVBS CVBS VR COM VR COM VR(CD) - Page 34 AUDIO/VIDEO MPEG/MICON/DSP/RF_AMP 500µs 10ns 500mV 100mV 500µs 500mV 20mV 20ns 10µs 1.0V 200mV 200ns 10µs 200mV 1.0V MEMORY 10µs 500mV 200mV...
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Page 35: Y/C/Audio/Head Amp
0.5µs 20µs 10µs 2.0V 0.5V 50.0V MICON 20µs 10µs 50.0V 2.0V 1.0V Y/C/AUDIO/HEAD AMP 5µs 20µs 20.0V 2.0V 2.0V 2.0V 50mV 2.0V 0.5µs 10ms 20µs 2.0V 2.0V 2.0V... - Page 36 DVD IN/OUT 0.5ms 0.5V 0.5ms 0.5V DEMODULATOR/21PIN 0.5ms 0.5V 10µs 0.5V...