Toshiba ColorStream 27A62, Service Manual

Page 1: ...SERVICE MANUAL COLOR TELEVISION FILE NO 050 200204 27A62 DOCUMENT CREATED IN JAPAN Apr 2002 ...

Page 2: ...de ray tube and the high voltage peripheral circuit etc Therefore when repairing the high voltage pe ripheral circuit use the designated parts and make sure not modify the circuit Repairing except indicates causes rising of high voltage and it emits an X ray from the cathode ray tube 7 PERFORM A SAFETY CHECK AFTER SERVICING Confirm that the screws parts and wiring which were removed in order to se...

Page 3: ...120 V 60 Hz Per Year kWh Year Protector Power Fuse Yes G 4 Regulation Safety UL Radiation FCC X Radiation DHHS G 5 Temperature Operation 5oC 40oC Storage 20oC 60oC G 6 Operating Humidity Less then 80 RH G 7 On Screen Menu Yes Display Menu Type Icon Picture Yes Contrast Yes Brightness Yes Color Yes Tint Yes Sharpness Yes Audio Yes Bass Yes Treble Yes Balance Yes BBE On Off No Stable Sound On Off Ye...

Page 4: ...es 2 Yes 3 Yes 4 Yes 5 Yes 6 Yes 7 Yes 8 Yes 9 Yes 0 Yes 100 Yes 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 Enter Yes Mute Yes Exit Yes MTS Audio Select Yes Fav Up Yes Fav Down Yes Set No Set No P in P Keys PIP Yes Swap Yes Locate Yes Still Yes 2 Tuner PIP CH Up Yes P ...

Page 5: ...k Yes Game Timer Yes Energy Star No Favorite CH Yes 1 Tuner P in P No 2 Tuner P in P Yes G 12 Accessories Owner s Manual Language English French W Warranty 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 Safety Instruc...

Page 6: ...t RCA x 2 S Input Yes Euro Scart No Color Stream RCA x 3 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 740 x 500 5 x 560 G 15 Weight Net Approx 35kg 77 1 lbs Gross Approx 38Kg 83 7 lbs 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 Br...

Page 7: ... 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 th...

Page 8: ...ng 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 ma...

Page 9: ... 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 installa...

Page 10: ...ADDRESS and DATA should appear as FIG 1 ADDRESS is now selected and should blink Using the VOL UP DOWN button on the remote step through the ADDRESS until required ADDRESS to be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using VOL UP DOWN button until required DATA value has been selected Pressing ENTER will take you back to ADDRES...

Page 11: ...LANCE 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 Fig 1 1 and press the channel button 13 on the remote control to select R BIAS Press the CH UP DOWN but...

Page 12: ...ig 2 1 Connect the oscilloscope to TP804 Press the channel button 24 on the remote control to select COL CENT Adjust the VOLTS RANGE VARIABLE knob of the oscilloscope until the range between white 100 and 0 is set to 5 scales on the screen of the oscilloscope Press the VOL UP DOWN button on the remote control until the red color level is adjusted to 110 5 of the white level Refer to Fig 2 2 Receiv...

Page 13: ...press the channel button 37 on the remote control to select SEP 1 Press the VOL UP DOWN button on the remote control to adjust it until the R ch output becomes minimum Set the multi sound signal generator L ch Non input R ch 1KHz and receive the RF Connect the oscilloscope to the Audio Out Jack L ch Activate the adjustment mode display of Fig 1 1 and press the channel button 38 on the remote contr...

Page 14: ...H POSI Press the VOL UP DOWN button on the remote control until the value from the PIP screen frame to the shadow mask becomes 35 5 0 mm Refer to Fig 2 6 2 20 PIP HORIZONTAL POSITION R 1 2 3 4 Receive the monoscope pattern Using the remote control set the brightness and contrast to normal position Activate the adjustment mode display of Fig 1 1 and press the channel button 44 on the remote control...

Page 15: ...ORR TOP CORNER CORR BTM V EHT H EHT FM LEVEL H SIZE V SIZE BRIGHT COLOR TINT NO 05 06 08 10 17 19 20 21 22 23 25 27 28 29 30 31 32 33 34 35 45 46 51 52 53 RF 00 00 32 12 08 64 20 112 32 105 00 30 21 00 00 00 00 00 00 01 55 68 31 18 27 CS 06 64 20 112 32 105 00 30 AV 09 64 20 112 32 105 00 30 31 18 30 S 31 18 31 To switch the AV mode of the PIP screen press the channel button 77 on the remote contr...

Page 16: ...rforming 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 s...

Page 17: ... CP502 CRT CP1001 SPEAKER CRT PCB CRT CP401 CP702A VR401 VR502 FB401 TP002 W011 CP101 TU001 J702 J701 J703 J704 J708 CP801A J801 CP805 CP806 CP803 TP806 CP804 TP804 R804 R808 CRT CRT MAIN PCB P IN P PCB CP702B J705 J706 J707 CD702 VIDEO JACK PCB VR251 L258 TP051 TP052 CD801 CD805 CD803 IC751 SOLDER SIDE TU051 ...

Page 18: ...6 3 5 2 4 1 7 14 15 13 8 10 C Y C L R V 4 1 9 12 3 5 T501 13 15 4 34 28 16 15 14 42 47 55 38 31 8 6 11 51 14 6 3 HV 1 7 9 F 10 S 1 5 6 7 R G B DY 7 F 10 L R V L R V V OUT FBP IN H OUT ABCL B OUT G OUT R OUT C IN CVBSLN T IN IF DET OUT IF IN IF IN 9 10 SCL SDA SCL SDA 43 44 YUV IN H OUT Q402 Q405 TV BLOCK DIAGRAM 52 51 50 49 ANALOG SW IC751 MM1234 6 1 14 9 52 51 50 8 11 16 3 2 7 12 18 35 37 39 3 4 ...

Page 19: ... R1810 R1819 C1813 R1806 R1808 C1812 C1806 C1802 Q1804 Q1805 Q1803 R1826 R1827 R1825 R253 R255 R256 C262 C261 R258 C267 R054 R053 R052 R1822 Q1808 R1816 R1815 C1829 R1817 C1814 C264 C266 R270 R272 R271 R273 C269 Q252 C272 R260 R261 C268 R275 C258 C259 R267 R264 C1815 C1836 C1822 C252 Q1807 Q1806 R1830 R1833 R1832 R1829 R1831 R1828 C064 IC1803 R1823 R1812 R776 C1828 C1823 C274 C1821 C1816 R1813 C18...

Page 20: ...W221 W218 W226 D606 W827 W115 W052 R631 R426 W037 W039 W116 C713 L002 C735 C714 R741 R734 R728 R711 R723 R748 R749 R770 R717 R702 CD701A C715 R708 J702 IC701 R705 R707 C705 D711 C733 C1007 C1008 C1009 HS1001 IC1001 C1011 C1004 L201 W199 W200 L203 W844 R221 L751 IC750 W172 W181 W173 C754 W201 C003 W183 W178 CP751 CP752 W177 TU001 W197 W194 W093 W094 W187 W209 W185 W815 W210 W203 W193 W133 W107 W100...

Page 21: ...1517 Q1503 C1519 R1507 C1514 R1504 C1512 C1515 C1516 R1508 Q1504 R1509 C1509 Q1505 R1514 Q1506 R1513 R1515 R1517 C1531 C1521 R1510 C1503 R320 C1535 R126 R101 R104 Q406 R150 C132 Q109 C526 R403 C554 R533 R532 R513 R516 R511 C524 R125 R139 C109 C108 R108 R109 C143 C121 C128 R103 C139 C607 R640 Q603 R638 R765 R782 R766 R751 Q701 C723 R722 R721 R740 R756 C752 R755 C738 R715 C747 C745 C746 R726 Q709 C7...

Page 22: ...V56DA6H6 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 IC103 PST600C RESET 1 2 3 SW103 SKHVBED010 VOL UP SW102 SKHVBED010 CH DOWN SW104 SKHVBED010 VOL DOWN SW101 SKHVBED010 CH UP SW105 SKHVBED010 POWER IC199 S 24C16AFJA TB 01 MEMORY 1 2 3 4 5 6 7 8 Q103 KRC102SRTK X RAY TEST X101 EFOEC8004T4 1 2 3 D109 SLR 342VCT32 POWER ON CAUTION DIGITAL TRANSISTOR TM101 SBKMOP017B IC101 OEC7074A MICON 1 10 11 12 13 14 15...

Page 23: ...14 0 47 B C607 0 01 B W840 W843 W842 W820 W838 W805 W844 W839 D602 MTZJ6 2B D604 MTZJ6 2B D603 MTZJ6 2B D201 MTZJ12B D606 MTZJ5 6B C203 100 16V YK C615 100 16V YK C640 1000 16V YK C616 47 16V YK C214 10 16V KA C211 0 22 50V KA C213 100 10V YK C935 4 7 50V KA C608 1 50V KA C604 1 50V KA C216 10 16V KA D605 11E1 EIC D611 1SS133 D613 1SS133 D614 1SS133 D608 1SS133 D612 1SS133 D615 1SS133 Q604 2SC2412...

Page 24: ... LA NOMENCLATURE DES PIECES N UTILISER QUE CELLS DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION R408 220 1 2W R409 680 1 2W R417 33K R416 3 9 1 2W R420 2 7 1 2W R407 3 9K 1 4W R424 2 2K 1 2W R432 8 2K 1 2W R421 680 1 2W R425 680 1 2W R429 680 1 2W R443 68K 1 2W R428 100 1 4W R406 220 1 2W R403 330 R430 68K 1 2W R460 1K 1 4W R415 820 R412 8 2K R442 2 2K 1 4...

Page 25: ...1K 1 2W R511 22K R535 18K 1 4W R536 47K 1 4W R539 1 2M 1 4W R540 1 2M 1 4W R532 1 5K R510 100 1 4W R520 390 1 4W R534 390 1 4W R513 10K R507 220K 1 4W R516 10K R505 10K 1 4W R545 150 1 4W R544 270 1 4W R543 1K 1 2W R518 1 5M 1 2W R547 100 R533 270 R500 2 7M 1 2W 10 R546 100 1 4W R537 150K 1 4W R512 1K 1 4W R525 47K C506 0 1 275V PHE840 C554 0 022 B C503 0 001 2KV B C502 0 001 2KV B C512 0 047 TF C...

Page 26: ...1009 10K R324 1 8K R321 4 7K R1010 10K R1011 10K R325 1 8K R327 100K R328 100 R326 100 R319 4 7K R314 2 7K R320 2 7K R322 1 5K R323 1 5K R1003 330 R1004 330 C330 0 022 B C333 0 47 B C331 0 022 B C332 0 47 B C334 0 033 B C335 0 033 B C339 0 01 B C338 0 001 B C336 100P CH C337 100P CH C325 0 01 B C1006 220P B W809 C1011 100 25V YK C326 47 16V YK C328 22 16V KA C303 47 16V YK C1009 2200 16V YK C329 2...

Page 27: ...749 3 9K 1 4W R715 1K R717 470 1 4W R748 3 9K 1 4W R716 470 R735 75 1 4W R770 470 1 4W R751 680 R740 1 2K R721 1 2K R722 1 5K R752 680 R727 1K R739 3 9K R731 220K R737 180K R730 180K R736 1K R738 220K R720 100 1 4W R732 3 9K C731 0 01 B C727 0 0056 B C726 0 0056 B C744 0 0056 B C743 0 0056 B C730 0 1 B C706 8P CH C728 1 B C708 1 B C734 0 01 B C750 1 B C748 0 1 B C720 33P CH C722 1 B C745 1 B C746 ...

Page 28: ... 10 16V KA C755 100 16V YK C761 100 16V YK C769 470 6 3V YK C766 47 6 3V KA C767 47 6 3V KA C768 47 6 3V KA C751 10 16V KA C756 10 16V KANP D750 1SS133 Q750 2SC2412K BUFFER Q754 2SC2412K BUFFER Q753 2SC2412K BUFFER Q752 2SC2412K BUFFER L751 100uH PIP_AV1 PIP_AV2 PIP_SD SCL SDA PIP_AFT PIP OSD_SW OSD_B OSD_G OSD_R Y_VIDEO_S C_VIDEO_S REAR_VIDEO2 REAR_VIDEO1 P CON 9V GND P CON 5V TUNER B PIP_PCON 8V...

Page 29: ...1505 1 B C1508 0 1 B C1503 0 1 B C1515 0 1 B C1533 22P CH C1521 0 1 B C1526 0 01 B C1523 0 001 B C1514 0 1 B C1516 0 1 B C1512 0 1 B C1509 0 01 B C1513 0 1 B C1517 100P CH C1519 0 1 B C1531 0 01 B C1535 0 1 B C1522 8P CH C1527 470P CH C1506 0 1 B C1507 0 1 B W859 W848 C1501 100 6 3V YK C1525 100 6 3V YK C1520 100 16V YK C1502 100 6 3V YK C1510 100 6 3V YK C1528 100 16V YK C1530 3 3 50V KA C1518 1 ...

Page 30: ...809 100 1 4W R828 2 7K 1 4W C815 330P B C820 0 001 500V B C813 0 0022 M C823 330P B C808 0 001 2KV B C804 390P B C805 390P B C806 470P B W804 W802 W803 C809 2 2 250V YK D801 1SS133 D802 1SS133 D803 1SS133 D809 1SS133 D808 1SS133 D807 1SS133 Q801 2SC2621 RED GREEN AMP Q811 2SC1740SP GREEN RED AMP Q803 2SC2621 BLUE AMP Q812 2SC1740SP BLUE AMP Q802 2SC2621 GREEN RED AMP Q810 2SC1740SP RED GREEN AMP R...

Page 31: ...37AK SYNC SEP Q252 2SA1037AK BUFFER L1804 10uH L252 100uH 0305 L1805 10uH 0305 L052 100uH L1802 470uH 0607 L1801 10uH L255 100uH 0305 L753 100uH 0305 TU051 ENV56DC0G3 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 C260 4 7 50V KA C060 1000 6 3V YK IC251 M52768FP VIF SIF 1 10 11 12 13 14 15 16 17 18 19 2 20 3 4 5 6 7 8 9 CF252 TPSRA4M50C00 A0 OUTOUT G IN IN CF251 SAF45MFG220Z 1 2 3 4 5 IS NON POLAR ONE THE AL...

Page 32: ...v 2 0V 50µs div 1 0V 5ms div 2 0V 50ns div 2 0V 50µs div 200mV 10µs div 500mV 10µs div 200mV 10µs div 7 8 15 1 2 3 4 5 6 9 10 11 12 13 14 1 0V 20µs div WAVEFORMS MICON TUNER CHROMA IF The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE ...

Page 33: ...ing waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE WAVEFORMS 50V 20µs div 19 1 0V 2ms div 1 0V 2ms div 20mV 1ms div 22 23 25 20mV 1ms div 24 500mV 1ms div 26 200mV 20µs div 500mV 1ms div 100mV 10µs div 27 28 30 200mV 20µs div 29 AV DEFLECTION ...

Page 34: ... 1ms div 32 33 1 0V 10µs div 34 50V 10µs div 37 50V 10µs div 50V 10µs div 38 39 The following waveforms were measured at the point of the corresponding balloon number in the schematic diagram NOTE CRT 200mV 10µs div 36 PICTURE IN PICTURE ...

Page 35: ...05 202 202 202 202 114 114 114 104 206 205 205 203 203 PCB010 MAIN PCB 102 204 104 103 203 205 116 117 PCB250 P IN P PCB 206 201 201 201 201 201 201 111 204 108 204 201 204 PCB170 VIDEO JACK PCB 101 106 109 107 113 204 204 204 115 112 110 204 ...

Page 36: ...768 762WPA0009 HOLDER CRT WIRE 115 AD301409 7235490029 AV LABEL 116 AD300870 752WSA0184 SHIELD CASE IF 117 AD300869 752WSA0163 SHIELD COVER IF 201 BZ710036 8117540B04 SCREW TAPPING B0 TRUSS 4x20 202 BZ710033 8111J50D05 SCREW TAPPING A GW22 5x35 203 BZ710019 8109630802 SCREW TAP TITE B BRAZIER 3x8 204 BZ710031 8110630A04 SCREW TAP TITE P BRAZIER 3x10 205 BZ710239 8109I30A04 SCREW TAP TITE B WH7 3x1...

Page 37: ...102M CE 1000 UF 35V C502 AD300078 C0JBB0713K CC 0 001 UF 2KV B C503 AD300078 C0JBB0713K CC 0 001 UF 2KV B C504 AD301348 E02LU5100M CE 10 UF 50V C505 BZ110138 P2472B224M CMP 0 22UF 275V PHE840 C506 BZ110145 P2472B104M CMP 0 1 UF 275V PHE840 C507 BZ110012 E51CGC471M CE 470 UF 200V C509 AD301349 E02LU3470M CE 47 UF 25V C513 AD301351 CC3LE0M13M CC 0 001 UF 250V C517 BZ110181 C03L0R7H3K CC 0 0022UF 2KV...

Page 38: ... D1VT001330 DIODE SILICON 1SS133T 77 D611 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D612 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D613 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D614 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D615 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D711 BZ410066 D97U06R21B DIODE ZENER MTZJ6 2B T 77 D750 BZ410006 D1VT001330 DIODE SILICON 1SS133T 77 D801 BZ41000...

Page 39: ...2412KT146 R S Q753 BZ510002 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S Q754 BZ510002 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S Q755 BZ510001 T6YJ1037K0 TRANSISTOR SILICON 2SA1037AKT146R S Q795 BZ510002 T8YJ2412K0 TRANSISTOR SILICON 2SC2412KT146 R S Q801 BZ510027 TC3Q026210 TRANSISTOR SILICON 2SC2621 D E RAC Q802 BZ510027 TC3Q026210 TRANSISTOR SILICON 2SC2621 D E RAC Q803 BZ510027 TC3Q0262...

Page 40: ...CYAA03BQ3 VR401 BZ210218 V1K63H3BTE VOLUME SEMI FIXED NVG6TLTAB222 VR502 BZ210101 V1163H4BTC VOLUME SEMI FIXED EVNCYAA03BE4 P C BOARD ASSEMBLIES PCB010 AD301357 A3L515E010K PCB ASS Y TMA530A PCB110 AD301358 A3L515E110K PCB ASS Y TCA389A PCB170 AD301359 A3L515E170K PCB ASS Y TEAA92A PCB250 AD301360 A3L515E250K PCB ASS Y TEBA96A MISCELLANEOUS B501 BZ310045 024AT03481 CORE BEADS BL02RN1 R62T2 B502 BZ...

Page 41: ...M7138 H5 RY501 AD300114 0560V20115 RELAY ALKS321 SP1001 AD301366 070Y435003 SPEAKER S0509F12 C TH501 BZ410079 DF5EL3R0A0 DEGAUSS ELEMENT ZPB45BL3R0A TM101 AD301367 07660DU03B TRANSMITTER SBKMOP017B TU001 AD300916 0145S00057 TUNER VHF UHF ENV56DA6H6 TU051 AD301368 0145S00060 TUNER VHF UHF ENV56DC0G3 V801 AD300755 098T270601 CRT W DY A68AJB82X10 X101 AD300624 1001T8R004 CERAMIC OSCILLATOR EFOEC8004T...

Page 42: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...