Toshiba 13A25 Service Manual Download Page 23 | Manualshive

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ELECTRICAL ADJUSTMENTS

4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION)

CD101A

CP802A

TU001

S501A

S501B

FB401

CD101B

AC IN

CP401

CP802B

CP806

CP803B

CP801

R

807

R803

SPEAKER

TP023

TP022

CRT PCB

MAIN PCB

GND CRT

CD801

DEGAUSS COIL

CP502

L503

CRT DY

D-5

CP803A

J801

CD501

13A25/13A25C

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Summary of Contents for 13A25

Page 1: ...SERVICE MANUAL COLOR TELEVISION DOCUMENT CREATED IN JAPAN February 2005 13A25 13A25C FILE NO 050 200503 MFR S VERSION A ...

Page 2: ...be used the part 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 ...

Page 3: ...dering iron please be carefull not to heat too long Pb free solder will tend to splash when heated too high about 1100 F 600 C All products with the printed circuit board with PbF printing must be serviced with lead free solder When soldering or unsoldering completely remove all of the solder from the pins or solder area and be sure to heat the soldering points with the lead free solder until it m...

Page 4: ...FIRMATION OF HOURS USED WHEN REPLACING EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAM PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON CHROMA TUNER TV POWER DEFLECTION CRT SOUND AV WAVEFORMS MECHANICAL EXPLODED VIEW MECHANICAL REPLACEMENT PARTS LIST ELECTRICAL REPLACEMENT PARTS LIST A1 1 A1 1 A1 1 A1 2 A2 1 A3 1 A3 10 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 ...

Page 5: ...stination USA W CATV Tuning System F Synth Input Impedance VHF UHF 75 ohm 2 69 4A A 5 A 1 CH Coverage A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 50MHz Preset CH No Stereo Dual TV Sound No Tuner Sound Muting Yes G 3 Power Power Source AC 120V AC 60Hz DC Power Consumption at AC 54 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Year Pr...

Page 6: ... No Favorite CH No Color Stream DVD DTV No Control Level Yes Volume Yes Brightness Yes Contrast Yes Color Yes Tint Yes Sharpness Yes Tuning No Bass No Treble No Balance No Back Light No Stereo Audio Output SAP No Video Yes Color Stream No Channel TV Cable Yes CH Label No Game Timer Yes Sleep Timer Yes Sound Mute Yes V chip Rating Yes G 8 OSD Language English French Spanish G 9 Clock and Sleep Time...

Page 7: ...es 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH2 Yes TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes RE Call Call Yes Reset Yes Menu Yes Enter Yes Mute Yes Exit No MTS Audio Select No Set Yes Set Yes Multi Brand Keys CH Up VCR No CH Down VCR No Pause Still No TV VCR VCR No Code No FF No Rew No Rec No Play No Stop No T...

Page 8: ...me Timer Max Time 120 Min Yes Stable Sound No Energy Star No Power On Memory Yes Favorite CH No G 12 Accessories Owner s Manual Language English Spanish From 04 DEC O R w Guarantee Card Yes Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No DC Car Cord Center No Guarantee Card No Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility Li...

Page 9: ...No Color Stream No Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Outlet No G 14 Set Size Approx W x D x H mm 362 x 360 x 320 5 G 15 Weight Net Approx 9 5 kg 20 9 lbs Gross Approx 11 0kg 24 4lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin No Gift Box Yes Material Double Brown Dimensions W x D x H mm 440 x 4...

Page 10: ...stination USA W CATV Tuning System F Synth Input Impedance VHF UHF 75 ohm 2 69 4A A 5 A 1 CH Coverage A I J W W 1 W 84 Intermediate Picture FP 45 75MHz Frequency Sound FS 41 25MHz FP FS 4 50MHz Preset CH No Stereo Dual TV Sound No Tuner Sound Muting Yes G 3 Power Power Source AC 120V AC 60Hz DC Power Consumption at AC 54 W at AC 120 V 60 Hz Stand by at AC 5 W at AC 120 V 60 Hz Per Year kWh Year Pr...

Page 11: ...No Favorite CH No Color Stream DVD DTV No Control Level Yes Volume Yes Brightness Yes Contrast Yes Color Yes Tint Yes Sharpness Yes Tuning No Bass No Treble No Balance No Back Light No Stereo Audio Output SAP No Video Yes Color Stream No Channel TV Cable Yes CH Label No Game Timer Yes Sleep Timer Yes Sound Mute Yes V chip Rating No G 8 OSD Language English French Spanish G 9 Clock and Sleep Timer ...

Page 12: ...es 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 No CH Up Yes CH Down Yes Volume Up Yes Volume Down Yes TV Caption Text Yes CH1 CH2 Yes TV Video TV AV Yes CH RTN CH ENT Quick View Yes Sleep Yes RE Call Call Yes Reset Yes Menu Yes Enter Yes Mute Yes Exit No MTS Audio Select No Set Yes Set Yes Multi Brand Keys CH Up VCR No CH Down VCR No Pause Still No TV VCR VCR No Code No FF No Rew No Rec No Play No Stop No T...

Page 13: ...me Timer Max Time 120 Min Yes Stable Sound No Energy Star No Power On Memory Yes Favorite CH No G 12 Accessories Owner s Manual Language English French w Guarantee Card Yes Remote Control Unit Yes Rod Antenna No Poles Terminal Loop Antenna No Terminal U V Mixer No DC Car Cord Center No Guarantee Card No Warning Sheet No Circuit Diagram No Antenna Change Plug No Service Facility List No Important S...

Page 14: ... No Diversity No Ext Speaker No DC Jack 12V Center No VHF UHF Antenna Input F Type AC Outlet No G 14 Set Size Approx W x D x H mm 362 x 360 x 320 5 G 15 Weight Net Approx 9 5 kg 20 9 lbs Gross Approx 11 0kg 24 4lbs G 16 Carton Master Carton No Content Sets Material Dimensions W x D x H mm x x Description of Origin No Gift Box Yes Material Double Brown Dimensions W x D x H mm 440 x 408 x 380 Design...

Page 15: ...ischarged Flip 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...

Page 16: ...IC Heat the IC leads using a blower type IC desoldering machine Refer to Fig 2 2 2 Fig 2 2 NOTE Do not rotate or move the IC back and forth until IC can move back and forth easily after desoldering the 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 machine Ref...

Page 17: ...4 Fig 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...

Page 18: ...NDBY MODE to finish DATA input After the data input set to the initializing of shipping Turn POWER on While holding down VOLUME button on front cabinet press key 1 on remote control for more than 2 seconds After the finishing of the initializing of shipping the unit will turn off automatically CONFIRMATION OF HOURS USED POWER ON total hours can be checked on the screen Total hours are displayed in...

Page 19: ...the Channel UP DOWN button or Channel button 0 9 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 2 3 Prepare the following measurement tools for electrical adjustments FUNCTION OSD H CUT OFF H VCO H PHASE V SIZE V SHIFT R DRIVE B DRIVE R BIAS G BIAS B BIAS BRIGHT CENT BRIGHT MAX BRIGHT MIN NO 00 01 04 05 06 07 08 09 10...

Page 20: ...e adjustment control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 06 on the remote control to select V SIZE Press the VOL UP DOWN button on the remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes 10 2 2 7 VERTICAL SHIFT 1 2 3 4 Receive the monoscope Pattern Using the adjustment co...

Page 21: ...set correctly referring below RF AV 2 11 Confirmation of Fixed Value step No NO 04 14 15 16 18 20 FUNCTION H VCO BRIGHT MAX BRIGHT MIN CONT CENT CONT MIN COLOR MAX 04 140 60 30 15 74 STEP NO NO 21 23 24 25 26 27 FUNCTION COLOR MIN SHARPNESS FM LEVEL LEVEL SEPARATION 1 SEPARATION 2 00 53 00 00 00 00 STEP NO ...

Page 22: ... 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 fo...

Page 23: ...CATION GUIDE WIRING CONNECTION CD101A CP802A TU001 S501A S501B FB401 CD101B AC IN CP401 CP802B CP806 C P 8 0 3 B CP801 R 8 0 7 R 8 0 3 SPEAKER TP023 TP022 CRT PCB MAIN PCB GND CRT CD801 DEGAUSS COIL CP502 L503 C R T D Y D 5 CP803A J 8 0 1 CD501 13A25 13A25C ...

Page 24: ...3 6 V OUT IC IC401 LA78040N E VCC RGB Proc 1 RGB MATRIX COLOR CONT ROM RAM 38 37 26 27 57 58 56 16 Hor Proc SYNC SEPA Hor VCO Hor COUNT DOWN AFC 1 H COINCIDENT AFC 2 H PHASE 1 J703 2 J702 2 DY D501 D504 RECTIFIER 3 1 4 2 L501 AC IN F501 Q507 FEED BACK T502 4 8 13 FEED BACK SW Q502 BUFFER Q501 POWER AMP 6 DEGAUSS COIL L503 6 5 MEMORY IC IC199 BR24L02F WE2 SDA SCL POWER VOL DOWN CH DOWN VOL UP CH UP...

Page 25: ...542 D503 D502 CP502 D408 C521 D405 B504 B501 R 5 1 7 _ 1 D504 R422 D510 D513 D505 D506 R1007 D410 R410 AFC H S401 C123 OS101 J 8 0 1 COL B 8V ABL GND 25V 12V 180V HEATER FB401 R423 R538 W003 Q801 Q803 D411 C434 C401_1 L401 W802 Q507 W035 R417 C516 R525 Q503 W049 C507 D514 R523_2 R527_2 R607 W037 D521 C622 W061 C610 W052 W050 C617 W816 W028 R405 C809 D404 W007 W008 D106_1 W029 Q105 R121 D522 R001 R...

Page 26: ...626 C627 C604 C104 C102 I C 1 0 1 R702 R703 R128 R126 R101 R143 R1008 R420 R419 C501 C603 R104 C108 C107 C105 R102 R103 R125 R609 R115 C001 R1005 R1004 R127 R116 R627 R124 R106 R105 R107 R108 R129 IC199_1 PRINTED CIRCUIT BOARDS MAIN CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 13A25 13A25C ...

Page 27: ...KA35ARB 1 10 11 12 13 14 15 16 17 18 19 2 20 21 3 4 5 6 7 8 9 D106_1 SLR 342VCT32 POWER ON ON TIMER P CON 5V P CON 5V H_OUT H_CTL ABCL CLAMP H_CTL G OUT R OUT B OUT PROTECT H_SYNC STANDBY_H DEGAUSS_H P CON B V_OUT GND V_FEEDBACK AT 5V ABCL H_OUT X RAY SDA R OUT G OUT SCL B OUT H_SYNC AFT UNREG 12V KEY1 V_OUT POWER_FAIL UNREG 12V KEY2 V_FEEDBACK X RAY GND POWER_ON REMOCON AT 5V AUDIO_OUT AUDIO_MUTE...

Page 28: ..._1 0 1 F C518 470P 500V B C505 0 22 275V ECQUL C503 0 001 500V B C507 10 100V MHE C511 1 50V KA C526_1 220 200V YK R506 2 7K 1 4W R520 12K 1 4W R509 220 1 4W R512 680 1 4W R513 2 2K 1 4W R523_2 47K 1 6W R527_2 5 6K 1 6W R516 10K 1 4W R505 1K 1 4W R528 6 8K 1 4W R503 100 1 4W R507 27 1 4W R519 1 2K 1 4W R515 120K 1 2W R502 100 1 4W R537_1 22K 1 4W R510_1 3 3M 1 2W R504 100 1 4W R500 2 7M 1 2W 10 R5...

Page 29: ...45 180K 1 4W R806 2 7K 1 4W R410 330 1 2W R415 1 8K 1 2W R816 330 1 4W R413 2 2K 1 2W R417 10K 1 4W R446 470 1 2W R423 100 1 4W R424 470 1 4W R802 2 7K 1 4W R804 2 7K 1 4W R814 4 7K 1 4W R811 4 7K 1 4W R809 4 7K 1 4W R427 100 1 4W OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANG...

Page 30: ... 4W R703 820 R1005 270K R1004 100K R1008 47K R701 68 1 4W R1007 10 1 2W R702 47K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DANS LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE LES PIECES REPAREES PAR UN ETANT ATTENTION SINCE THESE PARTS MARKED BY CAUTION DESCRIBED IN PARTS LIST ONLY CRITICAL ...

Page 31: ...number in the schematic diagram WAVEFORMS 3 0 5V 5ms div 4 2 20V 20µs div MICON CHROMA TUNER 1 0 5V 2ms div 5 1V 20µs div 6 1V 20µs div 1V 20µs div 7 DEFLECTION CRT 8 0 5V 5ms div 9 20V 20µs div 10 2V 20µs div 200V 20µs div 11 10V 5ms div 12 15 50V 20µs div 10V 5ms div 13 50V 20µs div 14 200mV 20µs div ...

Page 32: ...NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram WAVEFORMS 16 50V 20µs div SOUND AV 0 5V 1ms div 17 1V 1ms div 18 200mV 500µs div 19 20 500mV 20µs div ...

Page 33: ...PLODED VIEW I 1 202 102 202 202 202 202 107 121 104 PCB010 MAIN PCB ASS Y 205 203 204 106 103 106 106 101 101C 101B 207 109 206 101D 101A 108 120 PCB110 CRT PCB ASS Y 201 201 201 110 201 111 111 111 111 13A25 13A25C ...

Page 34: ...MECHANICAL EXPLODED VIEW PACKING DIAGRAM I 2 116 113 112 115 115 115 115 114 114 114 105 118 119 TM101 13A25 13A25C ...

Page 35: ...EAKER HOLDER 110 BZ710660 741WUA0021 SPRING EARTH 111 AE005971 769WSAA012 WASHER CRT T 0 5 112 AE007110 723000C835 SHEET BARCODE 113 AE005712 791WHAA122 FILM BAG 114 AD300809 792WHAA052 PACKAGE TOP 115 AD300810 792WHAA053 PACKAGE BOTTOM 116 AE005713 793WCDC593 GIFT BOX 117 AE005714 A3M131V975 INSTRUCTION BOOK KIT 118 AE005715 JB5KD200 POLYBAG INSTRUCTION RED CAUTION 119 AE004983 J2D60117A REGISTRA...

Page 36: ...10660 741WUA0021 SPRING EARTH 111 AE005971 769WSAA012 WASHER CRT T 0 5 112 AE007114 723000C853 SHEET BARCODE 113 AE005712 791WHAA122 FILM BAG 114 AD300809 792WHAA052 PACKAGE TOP 115 AD300810 792WHAA053 PACKAGE BOTTOM 116 AE007115 793WCDC661 GIFT BOX 117 AE007116 A3M132X975 INSTRUCTION BOOK KIT 118 AE007117 JB5KD100 POLYBAG INSTRUCTION RED CAUTION 120 AE000091 722000A023 SHEET HWC 121 AE006166 7220...

Page 37: ... C0JTB0513K CC 0 001 UF 500V B C505 BZ110025 P2122B224M CMP 0 22 UF 275V ECQUL C506 AD301026 CD39E0M13M CC 0 001 UF 250V C508 AE002878 CD39E0MQ3M CC 0 0047UF 250V C514 BZ110203 C0PLRR7W2K CC 820 PF 2KV RR C515 BZ110135 E02L02222M CE 2200 UF 16V C517 BZ110203 C0PLRR7W2K CC 820 PF 2KV RR C519 BZ110207 E02LT2102M CE 1000 UF 16V C521 BZ110092 E5EZFB101M CE 100 UF 160V C526 BZ110089 E02LFC221M CE 220 U...

Page 38: ...COIL 3 3 UH L401 AD301644 021L75472J COIL 4 7 MH L501 AE005719 0293000130 COIL LINE FILTER ELF15N010AP L503 AE005718 028B140033 COIL DEGAUSS DYD1 3020 80 L801 BZ310113 021673221K COIL 220 UH T401 BZ310157 045009003J TRANS HORIZONTAL DRIVE ETH09K14BZ T502 AD302162 0481291084 TRANSFORMER SWITCHING 81291084 JACKS J702 AE005633 060Q401112 RCA JACK AV1 09AD 3 J703 AE005632 060Q401111 RCA JACK AV1 09AD ...

Page 39: ...371 WCL6834038 FLAT CABLE AWM2468 AWG26 5C GRAY 340MM SP1001 AE005722 070Y132027 SPEAKER S08F21A TH501 AD302000 D8EE0B1400 DEGAUSS ELEMENT B59203 S1060 B14 TM101 AE003331 076N0EH050 TRANSMITTER RC EH050 CT 859 TU001 AE006069 0163300018 RF UNIT 115 V KA35ARB V801 BZ614442 098Y1404C8 CRT W DY A34JXV70X73N45 X601 BZ613004 100CT3R505 CRYSTAL HC 49 U RESISTOR RC CARBON RESISTOR CAPACITORS CC CERAMIC CA...

Page 40: ... C0JTB0513K CC 0 001 UF 500V B C505 BZ110025 P2122B224M CMP 0 22 UF 275V ECQUL C506 AD301026 CD39E0M13M CC 0 001 UF 250V C508 AE002878 CD39E0MQ3M CC 0 0047UF 250V C514 BZ110203 C0PLRR7W2K CC 820 PF 2KV RR C515 BZ110135 E02L02222M CE 2200 UF 16V C517 BZ110203 C0PLRR7W2K CC 820 PF 2KV RR C519 BZ110207 E02LT2102M CE 1000 UF 16V C521 BZ110092 E5EZFB101M CE 100 UF 160V C526 BZ110089 E02LFC221M CE 220 U...

Page 41: ... 3 3 UH L401 AD301644 021L75472J COIL 4 7 MH L501 AE005719 0293000130 COIL LINE FILTER ELF15N010AP L503 AE005718 028B140033 COIL DEGAUSS DYD1 3020 80 L801 BZ310113 021673221K COIL 220 UH T401 BZ310157 045009003J TRANS HORIZONTAL DRIVE ETH09K14BZ T502 AD302162 0481291084 TRANSFORMER SWITCHING 81291084 JACKS J702 AE005633 060Q401112 RCA JACK AV1 09AD 3 J703 AE005632 060Q401111 RCA JACK AV1 09AD 4 J8...

Page 42: ...834038 FLAT CABLE AWM2468 AWG26 5C GRAY 340MM SP1001 AE005722 070Y132027 SPEAKER S08F21A TH501 AD302000 D8EE0B1400 DEGAUSS ELEMENT B59203 S1060 B14 TM101 AE003331 076N0EH050 TRANSMITTER RC EH050 CT 859 TU001 AE006069 0163300018 RF UNIT 115 V KA35ARB V801 BZ614442 098Y1404C8 CRT W DY A34JXV70X73N45 X601 BZ613004 100CT3R505 CRYSTAL HC 49 U RESISTOR RC CARBON RESISTOR CAPACITORS CC CERAMIC CAPACITOR ...

Page 43: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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