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Toshiba 13A23, Руководство по обслуживанию

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Toshiba 13A23 Скачать руководство пользователя страница 25

15 50V  20

µ

s/div

16 50V  20

µ

s/div

SOUND/AV

0.5V  1ms/div

17

10V  5ms/div

13

1V  1ms/div

18

50V  20

µ

s/div

14

NOTE: The following waveforms were measured at the point of the corresponding

balloon number in the schematic diagram.

WAVEFORMS

200mV  500

µ

s/div

19

20 500mV  20

µ

s/div

H-2

Содержание 13A23

Страница 1: ...SERVICE MANUAL COLOR TELEVISION 13A23 FILE NO 050 200306 DOCUMENT CREATED IN JAPAN Apr 2003 ...

Страница 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...

Страница 3: ...ON OF HOURS USED WHEN REPLACING EEPROM MEMORY IC ELECTRICAL ADJUSTMENTS BLOCK DIAGRAMS PRINTED CIRCUIT BOARDS MAIN CRT SCHEMATIC DIAGRAMS MICON CHROMA TUNER TV POWER DEFLECTION CRT SOUND AV WAVEFORMS MECHANICAL EXPLODED VIEWS 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 C1 1 C1 1 C1 1 D 1 D 4 E 1 E 2 F 1 F 4 G 1 G 2 G 3 G 4 G 5 G ...

Страница 4: ...ination 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 Prot...

Страница 5: ...bel 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 T...

Страница 6: ...5 Yes 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 N...

Страница 7: ... Yes Game 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 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...

Страница 8: ...tput No Euro Scart 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...

Страница 9: ...ed 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 Clean ...

Страница 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...

Страница 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...

Страница 12: ...16 x 16 x 16 x thousands digit value 16 x 16 x hundreds digit value 16 x tens digit value ones digit value C 1 WHEN REPLACING EEPROM MEMORY IC If a service repair is undertaken where it has been required to change the MEMORY IC the following steps should be taken to ensure correct data settings while making reference to TABLE 1 Table 1 1 2 3 4 5 6 7 8 9 10 11 The unit will now have the correct DAT...

Страница 13: ... Focus Volume fully counterclockwise once Adjust the Focus Volume until picture is distinct 2 2 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 display of...

Страница 14: ...s the VOL UP DOWN button on the remote control until the contrast step No becomes 45 Receive a broadcast and check if the picture is normal Press the TV VIDEO button on the remote control to set to the AV mode Then perform the above adjustments 1 3 2 10 OSD HORIZONTAL Activate the adjustment mode display of Fig 1 1 Press the VOL UP DOWN button on the remote control until the difference of A and B ...

Страница 15: ...performing adjustments in section 3 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity magnets so the color at the ends are equally wide Move the deflection yoke backward to neck side slowly and stop it at the position when the whole screen is green Confirm red and blue color Adjust the...

Страница 16: ...ON GUIDE WIRING CONNECTION D 4 CD101B T502 CP802A TU001 S501A S501B FB401 TP001 CD101A CD501 AC IN CP401 CP802B CP806 C P 8 0 3 B CP801 S101 S102 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 CP803A J 8 0 1 ...

Страница 17: ...AMP 7 5 2 6 V OUT IC IC401 AN5522 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 SWITCHING 6 DEGAUSS COIL L503 6 5 MEMORY IC IC199 S 24C02BDP 1A SDA SCL POWER VOL DOWN CH DOWN VOL UP ...

Страница 18: ...R520 C509 R506 R503 Q502 R508 Q501 R542 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 L401 W802 Q507 W035 R417 C516 R525 Q503 W049 C507 D514 R523 R527 R607 R603 W037 D521 C622 W061 C610 W052 W050 C617 W056 W816 W028 R405 C809 D404 W00...

Страница 19: ...627 C626 C604 C104 C102 I C 1 0 1 R702 R703 R128 R126 R101 R143 R1008 R420 R419 C501_2 C603 R104 C108_1 C107 C105 R102 R103 R125 R609 R115 C001 R1005 R1004 R704 R127 R116 R627 R106 R105 R107 R108 R129 R124_1 PRINTED CIRCUIT MAIN CHIP MOUNTED PARTS SOLDER SIDE F 3 F 4 ...

Страница 20: ...02MAT SWITCHING Vout B GND OS101 RPM7138 H5 1 2 3 TU001 ENG36A01G 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 CLAMP H_CTL G OUT R OUT H_SYNC B OUT ABCL 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 AT 5V KEY1 V_OUT POWER_FAIL UNREG 12V KEY2 V_FEEDBACK X RAY GND POWER_O...

Страница 21: ...001 250V KX C526_1 220 200V YK C507 10 100V MHE C511 1 50V KA R537 22K 1 4W R503 100 1 4W R519 1 2K 1 4W R507 27 1 4W R502 100 1 4W R509 220 1 4W R515 120K 1 2W R520 12K 1 4W R512 680 1 4W R504 100 1 4W R505 1K 1 4W R500 2 7M 1 2W 10 R513 2 2K 1 4W R516 10K 1 4W R528 6 8K 1 4W R523 47K R527 5 6K R538 1 5M 1 2W R506 2 7K 1 4W R510 6 8M 1 4W R522 6 8M 1 4W OF PRINTING AND SUBJECT TO CHANGE WITHOUT N...

Страница 22: ...0 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 R403 10K 1 4W R448 560 1 2W R449 560 1 2W R427 100 1 4W R405 1K 1 4W R401 27K 1 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 PIEC...

Страница 23: ...S MEASURED C1004_2 0 0015 B C1001 0 1 50V KA C1005 10 25V KA C1008 47 16V KA R703 820 R1003 68K R1005 270K R1004 100K R1001 47K 1 4W R1008 68K R701 68 1 4W R704 10 R1007 10 1 2W R702 47K OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W811 W813 W803 IC1001 AN7511 SOUND AMP IC 1 2 3 4 5 6 7 8 TUNER VIDEO SIGNAL AUDIO SIGNAL AUDIO_IN VIDEO_IN GN...

Страница 24: ... 20µs div 7 2 20V 20µs div DEFLECTION CRT 8 0 5V 5ms div 9 20V 20µs div NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram MICON CHROMA TUNER 1 0 5V 2ms div 10 2V 20µs div 200V 20µs div 11 10V 5ms div 12 H 1 ...

Страница 25: ...UND AV 0 5V 1ms div 17 10V 5ms div 13 1V 1ms div 18 50V 20µs div 14 NOTE The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram WAVEFORMS 200mV 500µs div 19 20 500mV 20µs div H 2 ...

Страница 26: ...MECHANICAL EXPLODED VIEW I 1 PCB110 CRT PCB ASS Y 201 201 201 110 201 202 106 202 202 202 202 107 112 PCB010 MAIN PCB ASS Y 205 203 204 114 111 114 114 101 104 103 207 109 206 105 102 108 113 ...

Страница 27: ...023 SHEET HWC 114 AE000535 800WQ0A024 FELT SHEET 201 BZ710275 8121J50B54 SCREW TAP TITE P GW20 5x28 202 BZ710035 8117540A64 SCREW TAPPING B0 TRUSS 4x16 203 BZ710018 8107630804 SCREW TAP TITE S BRAZIER 3x8 204 BZ710352 8109I30604 SCREW TAP TITE B WH7 3x6 205 BZ710562 8109I30804 SCREW TAP TITE B WH7 3x8 206 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10 207 BZ710030 8110630804 SCREW TAP TITE P BR...

Страница 28: ...CE 2200 UF 16V C517 BZ110203 C0PLRR7W2K CC 820 PF 2KV R C519 AD300925 E02LT2102M CE 1000 UF 16V C521 BZ110092 E5EZFB101M CE 100 UF 160V C526 BZ110089 E02LFC221M CE 220 UF 200V C819 AD300078 C0JBB0713K CC 0 001 UF 2KV B DIODES D001 BZ410037 D97U03301B DIODE ZENER MTZJ33B T 77 D106 BZ410054 0021721150 LED SLR 342VCT32 D403 BZ410043 D2WT011E10 DIODE SILICON 11E1 EIC D404 BZ410066 D97U06R21B DIODE ZEN...

Страница 29: ...9D 4 J801 AD301147 066F120018 SOCKET CATHODE RAY TUBE ISMS01S J1001 AD302163 060J121014 JACK RCA 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 SW105 BZ612010 0504101T34 SWITCH TACT EVQ21505R P C BOARD ASSEMBLIES PCB010 AE00008...

Страница 30: ...F UNIT ENG36A01G V801 BZ614141 098Q1404B2 CRT W DY A34AGT13X98 L X601 AD302003 100CT3R505 CRYSTAL HC 49 C RESISTOR RC CARBON 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 3 ...

Страница 31: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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