Toshiba 21V33E2, Service Manual

Page 1: ...SERVICE MANUAL PRINTED IN UK 2002 C COLOURTELEVISION 21V33E2 TOSHIBA ...

Page 2: ...which has the same character Especially as to the important parts for safety which is indicated in the circuit diagram or the table of parts as a mark the designated parts must be used 4 PUT PARTS AND WIRES IN THE ORIGINAL POSITION AFTER ASSEMBLING OR WIRING There are parts which use the insulation material such as a tube or tape for safety or which are assembled in the condition that these do not...

Page 3: ...ACING EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON TUNER IF CHROMA 21PIN AV SW STEREO SOUND AMP DEFLECTION CRT POWER WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A1 1 A1 1 A2 1 A3 1 A3 5 B1 1 B2 1 B2 2 C 1 C 1 C 1 D 1 D 5 E 1 E 2 F 1 F 4 G 1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 G...

Page 4: ...stination Hyper Tuning System F Synth Input Impedance VHF UHF 75 ohm E2 E4 X Z 2 S1 S10 E5 E12 CH Coverage S11 S41 E21 E69 Intermediate B G D K I Frequency Picture FP 38 9 38 9 38 9 MHz Sound FS 33 4 32 4 32 9 MHz FP FS 5 5 6 5 6 0MHz Preset CH 100 Stereo Dual TV Sound Nicam G ST Tuner Sound Muting Yes G 3 Power Power Source AC 230V 240V AC 50Hz DC Power Consumption at AC 60 W at AC 230 V 50 Hz St...

Page 5: ...el Yes Volume Yes Brightness Yes Contrast Yes Colour Yes Tint NTSC Only Yes Sharpness Yes Tuning Yes Bass Yes Treble Yes Balance Yes Back Light No Nicam ST Yes G A2 Stereo Yes Tone 1 2 A B Yes Surround On Off No Pin Code No AV Yes Skip Yes Channel Yes Broadcasting Station Name Yes Hotel Lock No Sleep Timer No Selectable Picture Yes Wide Mode No Sound Mute Yes G 8 OSD Language English French Spanis...

Page 6: ...s 7 Yes 8 Yes 9 Yes 0 Yes Volume Up Yes Volume Down Yes Previous Yes Select Picture Yes Menu Yes OK Enter Yes EXIT Yes Audio Select Yes On OffTimer No Mute Yes DSP surround Virtual Dolby No Woofer Bass No Picture Size No T TEXT Keys TEXT MIX TV Yes CH Up Page Up Yes CH Down Page Down Yes Red Yes Green Yes Yellow Yes Cyan Yes TEXT F T B Yes Reveal Yes TIMED PAGE SUB PAGE Yes CALL TEXT INDEX Yes INP...

Page 7: ...t Up No FBT Leak Test Protect Yes Previous Quick View Yes Panel Lock Yes Power ON Memory Yes Double Focus Dynamic Focus No Wss Signal Wide Change No Virtual Dolby Surround No Hotel Lock No G 12 Accessories Owner s Manual Language Polish Hungarian Czech Rumanian Bulgarian Russian Slovenian Croatian English w Guarantee Card No Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Ter...

Page 8: ... x1 RGB INPUT Yes x1 Component Input No Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input D Type AC Outlet No G 14 Set Size Approx W x D x H mm 590 x 492 x 446 5 G 15 Weight Net Approx 23 0 kg lbs Gross Approx 26 5kg lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm Description of Origin Gift Box Yes Material Double Brown Dimensions W x D x H mm 6...

Page 9: ...ip up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 1 2 2 DISASSEMBLY INSTRUCTIONS GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT Support Fig 1 1 Fig 1 2 3 After one side is removed pull in the opposite direction to remove the other NOTE Take care not to damage the Rubber Cap INSTALLATION 1 Clean the s...

Page 10: ...using a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not add the rotating and the back and forth directions force on the IC until IC can move back and forth easily after desoldering the IC leads completely When IC starts moving back and forth easily after desoldering completely pickup the corner of the IC using a tweezers and remove the IC by moving with the IC desoldering...

Page 11: ...2 8 Thin tip Soldering Iron NOTE When the IC leads are bent during soldering and or repairing do not repair the bending of leads If the bending of leads are repaired the pattern may be damaged So always be sure to replace the IC in this case Finally confirm the soldering status on four sides of the IC using a magnifying glass Confirm that no abnormality is found on the soldering position and insta...

Page 12: ...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 13: ...wn 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 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 ...

Page 14: ...sition 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 PAL black pattern RF Input Using the remote control set the brightness and contrast to normal position Place the set...

Page 15: ...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 16: ...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 17: ...RING CONNECTION MAIN PCB TU001 CP101 J702 VR420 CP401 OS101 CP1001 VR401 CP802A FB401 CP502 J701 CD802 J704 J703 CP803A CP803B TP024 TP022 J801 CP806 CP802B R805 R803 CP801 SPEAKER CRT CD803 CP501 AC IN CD501 TP501 R521 CRT PCB DEGAUSS COIL L302 TP001 VR501 J705 C D 8 0 1 CRT ...

Page 18: ...E AMP Q803 Q805 GREEN AMP Q801 Q804 RED AMP J801 6 11 8 F 7 Q402 H DRIVE Q401 H OUTPUT I2C DY 1 F S 2 3 HV B P CON 25V CRT V801 71 XTAL_OUT 72 XTAL_IN X901 18 432MHz DVSUP AVSUP 66 11 P CON 5V 3 12C_CL 2 I2C ANA_IN1 67 AHVSUP 39 P CON 8V DACM_L 27 DACM_R 28 2 5 7 12 2 7 5 1 HEADPHONE JACK J702 SPEAKER SP351 5 12 9 SOUND B 15 B P CON 8V D Q501 POWER 56 KEY_IN CH UP VIDEO_SW IC IC702 MM1501XNRE OUT ...

Page 19: ...02 W063 IC101 X101 C121 D512 D515 W064 W065 W066 D1001 R109 W067 W068 W069 W070 W071 W072 W073 W074 W075 W076 W077 W078 W079 Q401 HS402 W080 R421 W081 W082 C618 W083 C620 R152 W084 R1004 C638 R428 R423 C930 C931 C932 W087 C933 W825 R528 W088 D108 C533 C743 CP803B TP023 TP024 C802 L801_1 R807 R803 R805 R804 R802 Q805 J801 R806 CP802B R819 D805 D804 C809 R813 C811 R815 D806 D521 W089 W090 W091 W092 ...

Page 20: ...45 R636 R639 C205 C201 R643 R641 R206 R219 C626 C213_2 C206_2 R303 R302 Q301 C604 Q403 R427 R538 R537 Q510 C1010 C1012 R1010 R1003 R1011 C143 C105 C141 R107 R108 R151 C140 C129 R125 C139_1 R128 R129 R502 Q503 R143 R141 R140 R142 IC199 R148 C101 R116 R114 R131 C108 C109 C120_2 R120 R134 R124 R123 IC102 R106 R105 C125 C126 C127 C128 C114 C116 C118 C102 C103 R110 C111_1 C112 R111 C113 R113 C104 R115 ...

Page 21: ...JQ ST 1 2 3 4 5 6 Vout B GND OS101 RPM7138 H5 1 2 3 IC102 PST3231NR RESET IC 1 2 3 4 5 IC101 OECF013B MICON W T TEXT IC 1 10 11 12 13 14 15 16 17 18 19 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 6 7 8 9 D101 SLR 342VCT32 STAND BY P ON D103 LTL 1CHGE 002A ON TIMER SH101 752WSA0087 TM101 RC GX020 BT001 R03 AB 2PXGPI UM 4 BT0...

Page 22: ...H THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED D611 MTZJ9 1B D602 MTZJ5 6B D605 MTZJ6 2B X601 100CT4R408 4 433619MHz X602 100CT3R509 3 579545MHz L208 3 3uH 0305 L601 10uH 0305 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME IC201 STV2248E IF CHROMA IC 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24...

Page 23: ... THE DIGITAL TESTER WHEN THE COLOR BROADCAST NOTE THE DC VOLTAGE AT EACH PART WAS MEASURED D712 MTZJ5 6B D723 MTZJ5 6B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME S808Y 21PIN2_V_OUT FRONT_V_IN3 5 SCART_A_IN2_L 4 SCART_A_OUT2_L 4 SCART_A_IN2_R 4 SCART_A_OUT2_R 4 SCART_A_OUT1_R 4 SCART_A_IN1_R 4 SCART_A_IN1_L 4 SCART_A_OUT1_L 4 21PIN1_V_IN A...

Page 24: ...ST AT THE TIME SDA 1 2 SCL 1 2 STEREO_RESET 1 P CON 5V 1 2 7 P CON 8V 2 3 5 6 7 GND 1 2 3 5 6 7 MONO_A_IN 2 SIF_IN 2 GND 1 2 3 5 6 7 SOUND_L 5 SOUND_R 5 FRONT_A_IN_R 5 FRONT_A_IN_L 5 SCART_A_IN1_R 3 SCART_A_IN1_L 3 SCART_A_IN2_R 3 SCART_A_IN2_L 3 SCART_A_OUT1_L 3 SCART_A_OUT1_R 3 SCART_A_OUT2_L 3 SCART_A_OUT2_R 3 PCB010 TMC572 STEREO SCHEMATIC DIAGRAM FROM POWER FROM IF CHROMA FROM TO 21PIN AV SW ...

Page 25: ... B C753 470P CH C754 470P CH C1012 0 0047 B C762 0 001 B W845 W829 W825 C1008 10 50V MHE C1014 2200 35V YK C1002_1 1 50V KA C1001_1 1 50V KA C1015 1000 25V YK C1004 22 50V YK C1013 100 35V YK C757 100 10V YK C1009 1000 25V YK D1001 1SS133 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 OF PRINTING A...

Page 26: ...1 4W C629 1 B C440_1 0 01 100V MMTS C407 0 1 100V MKT C809 270P CH C422 0 47 100V MKT C811 270P CH C810 220P CH C802 0 001 2KV B C437_2 0 39 250V PMS C444_1 470P 1 25KV CMPP C412 0 047 MMTV C442_1 0 012 1 25KV CMPP W816 C414_1 100 35V YK C446 22 50V YK C403 470 35V YK C448 22 250V YK C408_1 10 50V YK C404 2 2 250V YK D403 11E1 EIC D407 11E1 EIC D806 1SS133 D805 1SS133 D804 1SS133 D405 AU02A EIC D4...

Page 27: ...C517_1 680P 2KV RR C508 0 01 B C524 0 01 B C509 0 01 B C543 0 001 B C526_1 0 22 275V ECQUL C540 0 0022 250V KX C506 0 001 2KV B C507 0 001 2KV B C504 0 001 B C530 0 1 B C502_2 1 B C501_1 0 22 275V ECQUL W814 W844 W842 W803 W809 C505_2 150 400V USR C522_1 10 50V KA C531 1000 35V MHE C511 2200 16V YK C539 10 50V YK C541 100 160V YXF D530 1SS133 D515 SB140 EIC D520 30DF6 FC D514 1SS133 D519 1SS133 D5...

Page 28: ... the corresponding balloon number in the schematic diagram NOTE MICON TUNER 1 IF CHROMA 2 7 6 11 0 5µs 1V 10ms 1V 50µs 100mV 50µs 100mV 20µs 0 5V 13 20µs 1V 3 8 20µs 1V 50µs 0 5V 14 20µs 1V 4 5 10 9 20µs 1V 50µs 100mV 0 2ms 1V 0 2ms 1V 15 20µs 1V 16 20µs 100mV H 1 ...

Page 29: ...e corresponding balloon number in the schematic diagram NOTE 17 20µs 1V 22 20µs 1V 18 20µs 100mV 23 10ms 1V 19 20µs 1V 24 20µs 200mV 20 20µs 1V 21PIN AV SW 26 20µs 1V 21 20µs 1V 27 20µs 1V DEFLECTION CRT 33 10ms 1V 34 10ms 10V 35 10ms 10V 36 20µs 10V 30 2ms 200mV H 2 ...

Page 30: ...responding balloon number in the schematic diagram NOTE 44 0 2ms 5V 50 0 2ms 0 5V 43 2ms 0 5V 49 0 2ms 0 5V STEREO 45 0 2ms 5V 51 0 2ms 100mV SOUND AMP 47 0 2ms 0 5V 52 0 2ms 100mV 48 0 2ms 0 5V 53 0 2ms 200mV 39 20µs 50V 38 2µs 200V 40 20µs 50V 41 20µs 50V 37 20µs 5V H 3 ...

Page 31: ...VEFORMS The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 54 55 0 2ms 200mV 0 2ms 200mV 56 0 2ms 200mV 57 0 2ms 200mV 58 0 2ms 200mV H 4 ...

Page 32: ...02 202 114 110 I 1 201 201 201 201 113 113 PCB110 CRT PCB ASS Y 101 101A 101I 101C 101E 101G 101F 101H 101D 101B 101B 101K 204 101K 203 203 101J 101J 204 101J PCB010 MAIN PCB ASS Y 204 115 205 205 207 207 206 112 103 105 104 107 116 111 206 205 205 206 106 108 106 202 ...

Page 33: ...2333 722549A247 SHEET RATING 110 AE000790 7230007471 SHEET JACK 111 AE000003 800WQ00045 FELT SHEET 112 AE000800 761WPAA072 HOLDER FBT 113 AD300768 762WPA0009 HOLDER CRT WIRE 114 AD300520 800WQ00068 FELT SHEET 115 BZ710260 899HV3T000 HOLDER ANODE WIRE 116 AE001981 800WQ0A034 FELT SHEET 201 AD302054 8141J50C54 SCREW TAP TITE P GW22 5x35 202 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 AE00080...

Page 34: ...801R7272J RC 2 7K OHM 1 10W R142 BZ210189 R801R7272J RC 2 7K OHM 1 10W R143 AE000370 R801R7152J RC 1 5K OHM 1 10W R144 BZ210121 R002T4182J RC 1 8K OHM 1 4W R145 BZ210121 R002T4182J RC 1 8K OHM 1 4W R146 BZ210121 R002T4182J RC 1 8K OHM 1 4W R147 BZ210124 R002T4122J RC 1 2K OHM 1 4W R148 AD301728 R801R7103J RC 10K OHM 1 10W R150 BZ210119 R002T4102J RC 1K OHM 1 4W R151 AE002621 R801R7472J RC 4 7K OHM...

Page 35: ...R538 AD301728 R801R7103J RC 10K OHM 1 10W R540 AE002525 R801R7101J RC 100 OHM 1 10W R541 AE000375 R801R7273J RC 27K OHM 1 10W R542 AD301003 R801R7102J RC 1K OHM 1 10W R543 AD302108 R3X28BR39J R METAL OXIDE 0 39 OHM 3W R544 AE000482 R002T2682J RC 6 8K OHM 1 2W R545 AE000482 R002T2682J RC 6 8K OHM 1 2W R546 BZ210182 R002T4103J RC 10K OHM 1 4W R547 BZ210182 R002T4103J RC 10K OHM 1 4W R548 AD301728 R8...

Page 36: ...02525 R801R7101J RC 100 OHM 1 10W R751 AE000385 R801R7750J RC 75 OHM 1 10W R801 AE000496 R801R7221J RC 220 OHM 1 10W R802 BZ210201 R002T4272J RC 2 7K OHM 1 4W R803 BZ210050 R3X18A123J R METAL OXIDE 12K OHM 2W R804 BZ210201 R002T4272J RC 2 7K OHM 1 4W R805 BZ210050 R3X18A123J R METAL OXIDE 12K OHM 2W R806 BZ210201 R002T4272J RC 2 7K OHM 1 4W R807 BZ210050 R3X18A123J R METAL OXIDE 12K OHM 2W R808 AE...

Page 37: ... CS0RB0216K CC 1 UF 16V B C212 AE000312 CS0RB0414K CC 0 01 UF 50V B C213 BZ110278 CS0RB0216K CC 1 UF 16V B C215 AE000311 CS0RB0315K CC 0 1 UF 25V B C217 BZ210177 E02LU2470M CE 47 UF 16V C218 AE000316 CS0RB04H4K CC 0 022 UF 50V B C220 BZ110042 E02LU1471M CE 470 UF 10V C221 AE000311 CS0RB0315K CC 0 1 UF 25V B C301 AE000229 CS0RB0413K CC 0 001 UF 50V B C302 AE002624 CS0RCH4E2J CC 150 PF 50V CH C303 A...

Page 38: ...E000311 CS0RB0315K CC 0 1 UF 25V B C629 BZ110278 CS0RB0216K CC 1 UF 16V B C630 AE000326 CS0RCH4U1J CC 68 PF 50V CH C633 AE000312 CS0RB0414K CC 0 01 UF 50V B C634 AD301348 E02LU5100M CE 10 UF 50V C635 BZ110146 E02LU5R47M CE 0 47 UF 50V C637 AE000326 CS0RCH4U1J CC 68 PF 50V CH C638 BZ110243 CQGTB0414K CC 0 01 UF 50V B C711 AE000466 E02LU1221M CE 220 UF 10V C716 AE002625 CS0RCH412J CC 100 PF 50V CH C...

Page 39: ...0 LED SLR 342VCT32 D102 BZ410020 D97U05R11B DIODE ZENER MTZJ5 1B T 77 D103 AD301537 0021E5Q210 LED LTL 1CHGE 002A D108 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D301 AE000331 DD1R0MA770 DIODE SILICON MA77 D401 BZ410019 D97U03001B DIODE ZENER MTZJ30B T 77 D402 BZ410019 D97U03001B DIODE ZENER MTZJ30B T 77 D403 BZ410043 D2WT011E10 DIODE SILICON 11E1 EIC D404 BZ410043 D2WT011E10 DIODE SILICON 11E1 ...

Page 40: ...ICON 2SC1627_Y TPE2 Q403 BZ510020 TNYJB05001 COMPOUND TRANSISTOR DTC114EKAT146 Q501 BZ510115 T41F026510 TRANSISTOR FIELD EFFECT 2SK2651 01MR Q502 BZ510070 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT Q503 BZ510001 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q505 BZ510070 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT Q507 BZ510069 TCATC31980 TRANSISTOR SILICON KTC3198 AT Y GR Q508 BZ510022 TNYJJ05001...

Page 41: ...R420 AE000038 V1K62Q2BT8 VOLUME SEMI FIXED NVG6THTB471 VR501 BZ210128 V1163H3BTC VOLUME SEMI FIXED EVNCYAA03BE3 P C BOARD ASSEMBLIES PCB010 AE002329 A3N805G010K PCB ASS Y TMC572B PCB110 AE002330 A3N805G110K PCB ASS Y TCC433B MISCELLANEOUS B501 BZ310121 024HT03553 CORE BEADS W5RH3 5X5X1 0 B502 BZ310200 024H003553 CORE BEADS W5RH3 5X5X1 0 or BZ310121 024HT03553 CORE BEADS W5RH3 5X5X1 0 B504 BZ310129...

Page 42: ... ALKS321 SP351 AE001127 070C555007 SPEAKER SG05B01BWA TH501 AE000464 D8E080A100 DEGAUSS ELEMENT B59209 J80 A10 TM101 AE001128 076N0GX020 TRANSMITTER RC GX020 TU001 AE001365 0145517007 TUNER VHF UHF TUWRF4EG 778F2A V801 AE000780 098A210436 CRT W DY A51QDX992X002 X101 AE001617 100CT4R013 CRYSTAL HC 49 U S X601 BZ613024 100CT4R408 CRYSTAL HC 49 U X602 BZ613025 100CT3R509 CRYSTAL HC 49 U X901 BZ613042...

Page 43: ...TOSHIBA Information Systems UK Ltd Consumer Products Division European Service Centre Admiralty Way Camberley Surrey GU15 3DT ...