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SERVICE MANUAL

PRINTED IN UK. 2002 C

COLOUR TELEVISION

53N21F2

TOSHIBA

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Summary of Contents for 15V31F

Page 1: ...SERVICE MANUAL PRINTED IN UK 2002 C COLOURTELEVISION 53N21F2 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 3 G 1 G 2 G 3 G 4 G 5 G 6 G 7 G 8 G...

Page 4: ...t Impedance VHF UHF 75 ohm E2 E4 X Z 2 S1 S10 E5 E12 CH Coverage S11 S41 E21 E69 Intermediate PAL SECAM U VH SECAM VL Frequency Picture FP 38 9 38 9 34 4MHz Sound FS 33 4 32 4 40 9MHz FP FS 5 5 6 5 6 5MHZ PAL DK SECAM DK Picture FP 38 9 38 9 MHz Sound FS 32 4 32 4 MHz FP FS 6 5 6 5MHz Preset CH 100 Stereo Dual TV Sound No Tuner Sound Muting Yes G 3 Power Power Source AC 230V 240V AC 50Hz DC Power ...

Page 5: ...vel Yes Volume Yes Brightness Yes Contrast Yes Colour Yes Tint NTSC Only Yes Sharpness Yes Tuning Yes Bass No Treble No Balance No Back Light No Nicam ST No G A2 Stereo No Tone 1 2 A B No 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 Spanish Ger...

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 No On OffTimer Yes 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: ...H Memory No Stable Sound No Auto Set Up No FBT Leak Test Protect Yes Power ON Memory Yes Previous Quick View Yes Panel Lock 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 French w Guarantee Card No Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No DC Car Cord Cent...

Page 8: ...PUT 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 506 5 x 484 x 464 5 G 15 Weight Net Approx 21 0 kg lbs Gross Approx 23 8kg lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin Gift Box Yes Material Double Brown Dimensions W x D x H mm 580 x...

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 be always 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: ...on 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 16 17 18 19 FUNCTION TINT SHARP C...

Page 14: ...ER SCAN on upside and downside becomes minimum 2 10 VERTICAL POSITION VERTICAL LINEARITY 1 2 3 4 2 7 WHITE BALANCE NOTE Adjust after performing CUT OFF adjustment 1 2 3 4 5 6 7 Place the set with Aging Test for more than 10 minutes Receive the gray scale pattern from the Pattern Generator Using the remote control set the brightness and contrast to normal position Activate the adjustment mode displ...

Page 15: ...the AV mode Activate the adjustment mode display of Fig 1 1 and press the channel button 22 on the remote control to select CONTRAST CENT Press the VOL button on the remote control until the contrast step No becomes 44 Receive a broadcast and check if the picture is normal 2 15 Confirmation of Fixed Value Step No Please check if the fixed values of the each adjustment items are set correctly refer...

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: ...DE WIRING CONNECTION MAIN PCB TU001 CP101 J702 VR420 CP401 OS101 CP1002 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 C D 8 0 1 CRT ...

Page 18: ...OWER OUTPUT P CON 25V Q806 BLUE AMP Q805 GREEN AMP 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 56 KEY_IN VOL DOWN VOL UP AV1 42 J701 3 1 2 6 8 19 20 VIDEO OUT VIDEO IN R OUT L OUT 6 IN2 4 1 2 IN1 OUT SW R IN L IN FOR VCR 16 26 27 25 28 21 Y IN 11 7 15 21 B IN 21 G IN 21 R IN BLK_EXT G_EXT Y_EXT R_EXT V_EXT B_EXT U_EXT 1 3 2 1 3 2 FRONT VIDEO J70...

Page 19: ... D102 L101 L102 W063 IC101 X101 C121 D512 D515 W064 W065 W066 D1001 R109 W067 W068 W069 W070 W071 W073 W074 W075 W076 W077 W078 W079 Q401 HS402 W080 R421 W082 C618 W083 C620 R152 W084 W085 R1004 C638 R428 R423 W804 W087 W825 R528 W088 D108 C533 W876 W875 W874 CP803B TP023 TP024 C802 TP022 L801_1 R807 R803 R805 R804 R802 Q805 J801 CP806_1 R806 CP801_1 CP802B R819 D805 D804 C809 R813 C811 R815 D806 ...

Page 20: ...19 C626 C213_2 C206_2 R303 C304 R302 Q301 C305 C604_1 C210_2 Q403 R427 R538 R537 Q510 C1010 C1012 R1010 R1011 R1015 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 R122 R124 R123 IC102 R106 R105 C125 C126 C127 C128 C114 C116 C118 C102 C103 R110 C111_1 C112 C106 R111 C113 R113 C104 R115 C119 Q1002 ...

Page 21: ...SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP001 003P 2100 CP101 06JQ 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 3...

Page 22: ... D604 11E1 EIC D601 1SS133 D301 MA77 D603 1SS133 D609 SB140 EIC 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 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 LAT...

Page 23: ...V KA 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 D712 MTZJ5 6B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME FRONT_A_IN_L FRONT_V_IN3 21PIN1_V_IN AV1 FORTHD_VCR_1 SCART_V_IN2 Y EXT_A_IN SCART_V_IN1 MONO_A_OUT1 21_B 21_G 21_R 21_Y TUNER_V_O...

Page 24: ... 0 01 B C1012 0 0068 B C753 470P CH C754 470P CH C759 0 001 B C736 1 B W825 W845 W829 W830 C1014 470 35V YK C1004 22 50V YK C1008 10 50V MHE 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 AND SUBJECT TO CHANGE WITHOUT NOTIC...

Page 25: ... MMTS C407 0 1 100V MKT C422 0 47 100V MKT C810 390P CH C809 470P CH C811 470P CH C802 0 001 2KV B C444 470P 1 25KV MPP C412 0 047 MMTV C442 0 0086 1 25KV MPP W852 W812 W807 W810 W808 W851 W813 W815 W853 W816 W874 W875 W876 C403 470 35V YK C448 22 250V YK C414_1 100 35V YK C408_1 10 50V YK C404 2 2 250V YK C446 22 50V YK D804 1SS133 D405 AU02A EIC D410 AU02A EIC D408 11EQS04N D406 11E1 EIC D404 11...

Page 26: ...R546 10K 1 4W C504 0 001 B C517_1 680P 2KV RR C536_1 0 047 MMTV C537_3 0 47 MMT C526_1 0 22 275V ECQUL C535_1 470P 2KV RR C532 0 0027 2KV R C540 0 0022 250V KX C506 0 001 2KV B C507 0 001 2KV B C525 0 001 250V KX C530 0 1 B C509 0 01 B C543 0 001 B C508 0 01 B C524 0 01 B C502_2 1 B C501_1 0 22 275V ECQUL W842 W817 W814 W803 W844 W809 C522 10 16V KA C505_2 82 400V USR C531 1000 35V MHE C511 2200 1...

Page 27: ... 14 15 The following 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 20µs 1V 20µs 1V 20µs 1V 12 2ms 200mV ...

Page 28: ...ng waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE 20µs 1V 20µs 100mV 20µs 1V 20µs 1V 20µs 1V 20µs 1V 20µs 1V 20µs 200mV 10ms 1V 20µs 1V 16 20µs 100mV DEFLECTION CRT 33 34 10ms 1V 10ms 10V 31 2ms 200mV 30 2ms 200mV ...

Page 29: ...wing waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE SOUND AMP 43 2ms 0 5V 40 20µs 50V 41 20µs 50V 45 0 2ms 5V 37 20µs 5V 38 39 20µs 50V 2µs 200V 35 36 10ms 10V 20µs 10V ...

Page 30: ...ED VIEW I 1 101A 101B 101E 101D 203 101C 101 203 113 102 202 202 202 106 202 202 202 111 203 202 109 201 201 201 PCB110 CRT PCB ASS Y 201 PCB010 MAIN PCB ASS Y 105 203 110 107 108 104 206 206 204 204 205 103 206 206 112 ...

Page 31: ...41WUA0001 SPRING EARTH 110 BZ710260 899HV3T000 HOLDER ANODE WIRE 111 AE000510 7230007540 SHEET JACK 112 AE000894 761WPAA074 HOLDER FBT 113 BZ710039 8995034000 CORD CLIP UL CO 201 AD302054 8141J50C54 SCREW TAP TITE P GW22 5x35 202 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10 204 BZ710018 8107630804 SCREW TAP TITE S BRAZIER 3x8 205 BZ710019 81...

Page 32: ...03N8272J 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 AD300780 R903N8102J RC 1K OHM 1 8W R144 BZ210126 R002T4222J RC 2 2K OHM 1 4W R145 BZ210126 R002T4222J RC 2 2K OHM 1 4W R146 BZ210126 R002T4222J RC 2 2K OHM 1 4W R147 BZ210124 R002T4122J RC 1 2K OHM 1 4W R148 AE000966 R903N8103J RC 10K OHM 1 8W R151 AE000979 R903N8472J RC 4 7K OHM 1 8W...

Page 33: ...M 1 4W R534 BZ210217 R3X181331J R METAL OXIDE 330 OHM 1W R535 BZ210126 R002T4222J RC 2 2K OHM 1 4W R536 BZ210126 R002T4222J RC 2 2K OHM 1 4W R537 AE000981 R903N8561J RC 560 OHM 1 8W R538 AE000966 R903N8103J RC 10K OHM 1 8W R540 AE000965 R903N8101J RC 100 OHM 1 8W R541 AE000974 R903N8273J RC 27K OHM 1 8W R542 AD300780 R903N8102J RC 1K OHM 1 8W R543 AD302108 R3X28BR39J R METAL OXIDE 0 39 OHM 3W R544...

Page 34: ...3J RC 10K OHM 1 8W R1011 AE000966 R903N8103J RC 10K OHM 1 8W R1014 BZ210124 R002T4122J RC 1 2K OHM 1 4W R1015 AE001008 R903N8123J RC 12K OHM 1 8W CAPACITORS C001 AE000316 CS0RB04H4K CC 0 022 UF 50V B C002 BZ110189 E02LU0471M CE 470 UF 6 3V C003 AE000272 E50HU2470M CE 47 UF 16V C006 AE002625 CS0RCH412J CC 100 PF 50V CH C007 AE000312 CS0RB0414K CC 0 01 UF 50V B C101 AE000326 CS0RCH4U1J CC 68 PF 50V ...

Page 35: ...5V ECQUL C502 BZ110278 CS0RB0216K CC 1 UF 16V B C503 AE001005 E02LT8100M CE 10 UF 100V C504 AE000229 CS0RB0413K CC 0 001 UF 50V B C505 AE000338 E52DHH820M CE 82 UF 400V C506 BZ110247 C0JBB0713K CC 0 001 UF 2KV B C507 BZ110247 C0JBB0713K CC 0 001 UF 2KV B C508 AE000312 CS0RB0414K CC 0 01 UF 50V B C509 AE000312 CS0RB0414K CC 0 01 UF 50V B C511 BZ110119 E02LF2222M CE 2200 UF 16V C515 BZ110207 E02LT21...

Page 36: ...000998 CS0RB04U3K CC 0 0068UF 50V B C1013 AD301434 E02LU4101M CE 100 UF 35V C1014 BZ110149 E02LT4471M CE 470 UF 35V DIODES D001 BZ410037 D97U03301B DIODE ZENER MTZJ33B T 77 D101 BZ410054 0021721150 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 M...

Page 37: ...Q401 BZ510040 TDUU024990 TRANSISTOR SILICON 2SD2499 LB0EC1 Q402 BZ510089 TC5T01627Y TRANSISTOR SILICON 2SC1627_Y TPE2 Q403 BZ510020 TNYJB05001 COMPOUND TRANSISTOR DTC114EKAT146 Q501 BZ510115 T41F026510 TRANSISTOR FIELD EFF ECT 2SK2651 01MR Q502 BZ510070 TCAT032034 TRANSISTOR SILICON KTC3203_Y AT Q503 BZ510001 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q505 BZ510070 TCAT032034 TRANSISTOR SILICO...

Page 38: ...801 AE000449 1278210014 BRAIDED WIRE SM1642 001 CD802 AE001015 WDL6042038 FLAT CABLE AWM2468 AWG26 6C BLACK 420MM CD803 AE002362 WBL6034038 FLAT CABLE AWM2468 AWG26 4C BLACK 340MM CF201 BZ614302 1012T5R507 FILTER CERAMIC TRAP TPWA02B TF21 CF202 AE001619 102E238R9E FILTER SAW J1981M CF204 AE000296 1012T03101 FILTER CERAMIC TRAP MKT31 9MA110P TF CF301 AE001618 102E238R94 FILTER SAW K9650M CF304 AE00...

Page 39: ...RBON RESISTOR CAPACITORS CC CERAMIC CAPACITOR CE ALUMI ELECTROLYTIC CAPACITOR CP POLYESTER CAPACITOR CPP POLYPROPYLENE CAPACITOR CPL PLASTIC CAPACITOR CMP METAL POLYESTER CAPACITOR CMPL METAL PLASTIC CAPACITOR CMPP METAL POLYPROPYLENE CAPACITOR J2 8 ...

Page 40: ...TOSHIBA Information Systems UK Ltd Consumer Products Division European Service Centre Admiralty Way Camberley Surrey GU15 3DT ...

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