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SERVICE MANUAL

LCD Color Television

37HLX95

FILE NO. 020-200519

Published in Japan, Sep. 2005 (YC)

TOSHIBA CORPORATION 2005

DOCUMENT CREATED IN JAPAN, Sept., 2005

Summary of Contents for 32HLX95

Page 1: ... 1 SERVICE MANUAL LCD Color Television 37HLX95 FILE NO 020 200519 Published in Japan Sep 2005 YC TOSHIBA CORPORATION 2005 DOCUMENT CREATED IN JAPAN Sept 2005 ...

Page 2: ...LING THE LCD MODULE 5 SERVICE MODE 7 LAYOUT OF MAJOR BOARDS 12 MECHANICAL DISASSEMBLY 13 EXPLODED VIEW 15 PACKING DISASSEMBLY 17 CHASSIS AND CABINET REPLACEMENT PARTS LIST 18 PC BOARDS TOP BOTTOM VIEW 27 CIRCUIT BLOCK DIAGRAM 51 APPENDIX SCHEMATIC DIAGRAM ...

Page 3: ...f injury or where there could be physical damage in the event of operational error Physical damage means major damage to a home furnishings and other possessions Examples of marks SHOCK HAZARD PROHIBIT DISASSEM BLING UNPULUG The indicates caution including danger and warning The actual meaning of this caution is indicated inside the or nearby illustrations or text The example shown to the left ind...

Page 4: ...ark is included in a circuit diagram or parts list Parts mounting and routing of the wiring should be the same as that used originally For safety purposes insulating materials such as tubing or tape is sometimes used and printed circuit boards are sometimes mounted floating Also make sure that wiring is routed and clamped to avoid parts that generate heat and which use high voltage Always follow t...

Page 5: ...of the LCD module with the corresponding holes in the LCD cover and fasten with screws Do not strongly push on the mod ule because any impact can adversely affect the perform ance Also use caution when handling the polarized screen because it can easily be damaged CAUTION The metal edges of the LCD module are sharp so use caution to avoid in jury 3 If the panel surface becomes soiled wipe with cot...

Page 6: ... loss of resilience or other damage 9 Do not disassemble the LCD module Such actions could result in improper operation 10 When transporting the LCD module do not use packing containing epoxy resin amine or silicon resin alcohol or oxim The gas generated by these materials can cause loss of polarity Safety Precautions for Laser Beam DVD Player Do not look into the opening of the disc slot or venti...

Page 7: ...E Test signal selection TV VIDEO button on Remote Selection of the adjustment items Channel on TV or Remote Change of the data value Volume W X on TV or on Remote Adjustment menu mode ON OFF MENU button on Remote Initialization of the memory CALL Channel button on TV Reset the count of operating protect circuit to 00 CALL Channel button on TV RCUT selection 1 button GCUT selection 2 button BCUT se...

Page 8: ...R button to turn off the TV once INITIALIZATION OF MEMORY DATA After replacing EEPROM IC the following initialization is required 1 Enter the service mode then select any register item 2 Press and hold the CALL button on the Remote then press the CHANNEL button on the TV The initialization of EEPROM IC has been completed 3 Check the picture carefully If necessary adjust any adjustment item above P...

Page 9: ...sor In case of file name HLV95 and Version 1489 indicates HLV95_1489 N Time Total hour of turn the TV on Unit H O Bus line OK is normal SCL GND Red indication SCL GND short circuit SDA GND Red indication SDA GND short circuit SCL SDA Red indication SCL SDA short circuit P Bus cont OK is normal NG is abnormal Red indication When type name of semiconductor indicates Q Block UV TV reception mode V1 V...

Page 10: ...on 1489 for Code Program Version and U15 for OSD Version indicates HLV95_1489 U15 N EEPROM Version information of EEPROM Display 1 byte data O SUB MPU Version information of SUB MPU Display 1 byte data P OPTION Option information Display six numbers of 1 byte data Q HDMI ID HDMI ID information Display 4 byte data R DVD DVD information Display 1 byte data S LCD Panel Vender information display The ...

Page 11: ...isplay RF position number 0 99 on the main screen or Input Source ANT1 2 HDMI etc N MAIN FORMAT Display Video and PC format information O MAIN PLL Main PLL information Display five numbers of 2 byte data P SCREEN SIZE Display the screen size as follows ANT1 CABLE 12 480i NATURAL 06 OF B0 CE 02 0000 0000 0000 M N P Q O Q OTHER STATUS Other status information Display three numbers of 2 byte data The...

Page 12: ...TN AV AOUT BOARD U101 SIGNAL DVD LCD BOARD U104B FRONT AV BOARD U104D KEY SW BOARD U104C LED RMT BOARD U801 POWER BOARD U104F DVD KEY BOARD U104E PC IN BOARD U103 D TUNER BOARD U102 SEINE FOR FPD BOARD U802 AC IN BOARD U803 LOWB BOARD ...

Page 13: ...TB3 8 SBN 5 BITTB3 8 SBN BITTB3 8 SBN 2 BITTB3 8 SBN 2 PP3 8 SW W SBN 3 PP3 8 SW W ECO 2 PP3 8 SW W SBN 6 PP3 8 SW W ECO PP3 8 SW W SBN 2 PP3 8 SW W SBN PP3 8 SW W SBN A340 PP08 A320 U104D U104E U104B 4 40UNC JFS 4S L 13 H003C BITTB3 8 SBN 2 BITTB3 8 SBN PP3 8 SW W ECO 4 PP3 8 SW W ECO 4 PP4 20 SW W SBN 2 PP3 8 SW W ECO 4 PP3 8 SW W SBN 3 PP08 BD01 A545 UF01 A541 U104F P801 PP3 8 SW W ECO BITTB4 1...

Page 14: ...W ECO 6 PP4 20 SW W SBN 2 PP12 UF03 PP12 U104A U101 H001 U102 U103 U801 U803 PP3 8 SW W ECO 4 W661 W661 BITTB3 8SBN 3 BITTB3 8 2 BITTB3 8 2 U104C U802 PP08 PP12 PP08 3 Remove the boards SIGNAL DVD LCD SEINE FOR FPD D TUNER TN AV AOUT LED RMT POWER AC IN LOWB and speaker 4 Remove the display BITTB4 16 SBN 12 BITTB4 16 SBN 4 B001 A201 ...

Page 15: ...3 8 SW W SBN 6 PP3 8 SW W SBN 3 PP5 16 SW W SBN 5 PP3 8 SW W ECO 2 PP3 8 SW W SBN 6 PP3 8 SW W ECO PP3 8 SW W ECO 4 PP3 8 SW W ECO 4 PP4 20 SW W SBN 2 PP3 8 SW W ECO 4 PP3 8 SW W SBN 3 PP3 8 SW W SBN 2 PP3 8 SW W SBN PP3 8 SW W SBN A450 A401 A445 A340 PP08 A320 U104D U104E U104B A420 4 40UNC JFS 4S L 13 H003C PP08 BD01 A545 UF01 A541 U104F ...

Page 16: ... SW W ECO 6 PP3 8 SW W ECO 3 PP3 8 SW W ECO 3 BITTB4 16 SBN 4 PP3 8 SW W ECO 4 PP3 8 SW W ECO 7 PP3 8 SW W ECO 4 PP3 8 SW W ECO 6 PP4 20 SW W SBN 2 B001 W661 W661 A201 PP12 UF03 PP12 PP12 PP08 A315 BITTB3 8SBN 3 BITTB3 8 2 BITTB3 8 2 U104A U104C U101 H001 U102 U103 U801 U803 U802 PP08 2 Main Block ...

Page 17: ... 17 PACKING DISASSEMBLY A702B A702B A702A A702A K902 Y170 Y101 A709 A701A A705 A705 A701B ...

Page 18: ...C674 76092731 CERAMIC CHIP 16V B 1UF K C677 76092731 CERAMIC CHIP 16V B 1UF K C678 76285104 CERAMIC CHIP 50V B 0 1UF K C679 76285104 CERAMIC CHIP 50V B 0 1UF K C680 76073073 ELECTROLYTIC 35V 2200UF M 3A C681 76073073 ELECTROLYTIC 35V 2200UF M 3A C682 76073073 ELECTROLYTIC 35V 2200UF M 3A C684 76109103 CERAMIC CHIP 50V B 0 01UF K C685 76092538 CERAMIC CHIP 10V F 1UF Z C690 76664102 ELECTROLYTIC 6 3...

Page 19: ... 76105330 CERAMIC CHIP 50V CH 33PF J CD46 76105330 CERAMIC CHIP 50V CH 33PF J CD47 76105330 CERAMIC CHIP 50V CH 33PF J CD48 76105330 CERAMIC CHIP 50V CH 33PF J CD61 76105330 CERAMIC CHIP 50V CH 33PF J CD62 76105330 CERAMIC CHIP 50V CH 33PF J CD63 76105330 CERAMIC CHIP 50V CH 33PF J CD64 76105330 CERAMIC CHIP 50V CH 33PF J CD65 76105330 CERAMIC CHIP 50V CH 33PF J CD66 76105330 CERAMIC CHIP 50V CH 3...

Page 20: ...HIP 1 20W 1 8K OHM J R678 76871229 CHIP 1 8W 2 2 OHM J R679 76871229 CHIP 1 8W 2 2 OHM J R680 76011473 CHIP 1 20W 47K OHM J R681 76011473 CHIP 1 20W 47K OHM J R683 76011103 CHIP 1 20W 10K OHM J R684 76011104 CHIP 1 20W 100K OHM J R685 76011222 CHIP 1 20W 2 2K OHM J R686 76011102 CHIP 1 20W 1K OHM J R687 76871102 CHIP 1 8W 1K OHM J R688 76871102 CHIP 1 8W 1K OHM J R689 76871102 CHIP 1 8W 1K OHM J R...

Page 21: ...HM J R8603 76011103 CHIP 1 20W 10K OHM J R8604 76011102 CHIP 1 20W 1K OHM J R8605 76011472 CHIP 1 20W 4 7K OHM J R8606 76011103 CHIP 1 20W 10K OHM J R8607 76872221 CHIP 1 16W 220 OHM J R8701 76000595 CHIP 1 16W 15K F R8702 76190012 METAL FILM CHIP 1 16W 1 5K F R8703 76011221 CHIP 1 20W 220 OHM J R8704 76000445 CHIP JUMPER 1608TYPE R8705 76011220 CHIP 1 20W 22 OHM J R8706 76011103 CHIP 1 20W 10K OH...

Page 22: ...6102 CARBON FILM 1 6W 1K OHM J RE94 76553101 OXIDE METAL FILM 1W 100 OHM J RE95 76552102 OXIDE METAL FILM 1 2W 1K OHM J RE96 76366473 CARBON FILM 1 6W 47K OHM J RE97 76366472 CARBON FILM 1 6W 4 7K OHM J RE98 76366473 CARBON FILM 1 6W 47K OHM J RE99 76366101 CARBON FILM 1 6W 100 OHM J RR01 76871750 CHIP 1 8W 75 OHM J RR02 76871750 CHIP 1 8W 75 OHM J RR03 76871750 CHIP 1 8W 75 OHM J RR04 76011330 CH...

Page 23: ... LD42 23103230 INDUCTOR BEAD TEM2134AD LD43 23103230 INDUCTOR BEAD TEM2134AD LD44 23103230 INDUCTOR BEAD TEM2134AD LD61 23103230 INDUCTOR BEAD TEM2134AD LD62 23103230 INDUCTOR BEAD TEM2134AD LD63 23103230 INDUCTOR BEAD TEM2134AD LD64 23103230 INDUCTOR BEAD TEM2134AD LD65 23103230 INDUCTOR BEAD TEM2134AD LE10 23289980 COIL PEAKING TRF4220AZ LE40 23248456 COIL CHOKE TLN3540AH LE41 23289980 COIL PEAK...

Page 24: ...62140 DIODE KDS160 RTK D681 23362140 DIODE KDS160 RTK D809 76000656 VARISTOR TNR15G471K D811 23357636 DIODE ZENER RD6 8ESA B1 D815 23357692 DIODE ZENER RD2 0ESA B2 D816 23357738 DIODE ZENER MA8047 L D819 23357718 THYRISTOR SF0R3G42 N G5H1 D820 23357913 DIODE RBV 1506 LF A D821 23362240 DIODE VRM 1200VIF AV 3AFMC 26UAR D822 23362220 DIODE VRM 600V IF 5A FMX G16S D823 23362223 DIODE VRM 600V IF 1 2A...

Page 25: ...HIP JUMPER 1608TYPE GRV57 76000445 CHIP JUMPER 1608TYPE H003 23344525 SWITCH 2I3O BUNPAI US DIG RSU143 H003A 23368943 CABLE PH0NO 350MM JLC YAF11 1194N H003B 23368943 CABLE PH0NO 350MM JLC YAF11 1194N H003C 23747055 NUT F CONNECTOR2HBS H003D 23748092 WASHER WASHER14 2X9 6X2 H003E 23748093 WASHER WASHERWAVE15X10 6X0 2 K903 23306644 REMOCON IR IR BLASTER G LINK VTR CONT KB01 23009710 REMOCONRECEIVER...

Page 26: ...ARD ASSY PD2219A2 FRONT AV U104C 75001581 PC BOARD ASSY PD2219A3 LED RMT U104D 75001582 PC BOARD ASSY PD2219A4 KEY SW U104E 75001583 PC BOARD ASSY PD2219A5 PC IN U104F 75001584 PC BOARD ASSY PD2219A6 DVD KEY U801 75001585 PC BOARD ASSY PD2171C1 POWER U802 75001586 PC BOARD ASSY PD2171C2 AC IN U803 75001578 PC BOARD ASSY PD2189B1 LOWB TUNER H001 23321536 TUNER TIF US HOR IIC PH 864M ENG36A36GF ACCE...

Page 27: ...SIGNAL DVD LCD BOARD PD2222A1 U101 BOTTOM FOIL SIDE 27 28 ...

Page 28: ...SIGNAL DVD LCD BOARD PD2222A1 U101 TOP COMPONENT SIDE 29 30 ...

Page 29: ...SEINE FOR FPD BOARD PD2266F1 U102 BOTTOM FOIL SIDE 31 32 ...

Page 30: ...SEINE FOR FPD BOARD PD2266F1 U102 TOP COMPONENT SIDE 33 34 ...

Page 31: ...D TUNER BOARD PD2301A1 U103 BOTTOM FOIL SIDE D TUNER BOARD PD2301A1 U103 TOP COMPONENT SIDE 35 36 ...

Page 32: ...19 QS11 Q671 C668 C669 RS33 DV08 R4102 CS42 R6605 R674 RS19 R6602 CS10 C677 Q4100 RS50 CS82 RS78 CC05 RS30 R677 R681 DV44 RS501 RS61 CS55 CS41 CS53 Q4102 CS80 C691 CS43 RS17 CS44 R664 DV45 CS45 R672 R690 R6603 CS11 RS18 DV07 R4122 R670 RS504 RS66 RS82 RS34 RS46 CS50 CS52 C674 RS505 C663 RS28 RV29 D679 Q663 RS40 R686 CS40 RS59 RS16 R6604 DV03 QS08 RS56 RS58 RS506 RS20 CC07 CC06 CS56 RS31 R671 Q4103...

Page 33: ... 11 RB08 CB02 CB03 QB07 RB15 KB01 RB18 CB38 CB05 RB24 RB22 DB01 CB01 QB04 DB04 RB10 PJ41A CB04 RB08 CB03 QB07 RB15 RB18 CB38 RB24 RB22 QB04 RB10 CB04 23590301 4 PD2219 GUIDE VIDEO MENU VOL DOWN VOL UP CH DN 1 4 CH UP POWER 8 1 PJ43A SA06 SA03 SA04 SA05 SA08 SA07 PJ42 SA02 SA01 LED RMT BOARD PD2219A3 U104C BOTTOM FOIL SIDE LED RMT BOARD PD2219A3 U104C TOP COMPONENT SIDE 11 23590301 PD2219 1 POWER 3...

Page 34: ...ECT SKIP REV SKIP FWD 6 23590301 PJ43 SA13 RD73 RD77 RD76 RD78 RD74 SA15 SA14 SA12 SA11 RD73 RD77 RD76 RD78 RD74 PC IN BOARD PD2219A5 U104E BOTTOM FOIL SIDE PC IN BOARD PD2219A5 U104E TOP COMPONENT SIDE 5 PD2219 23590301 1 3 5 7 9 11 13 2 4 6 8 10 12 PS15 PV97A PV90 4 3 2 1 DS 7209 23547862 SA13 PJ43 SA15 SA14 SA12 SA11 DVD KEY BOARD PD2219A6 U104F BOTTOM FOIL SIDE DVD KEY BOARD PD2219A6 U104F TOP...

Page 35: ...81 L880 D8801 L862 C868 D863 R8810 D884 R867 R8808 D880 D887 Q8601 Q864 R862 D8601 D885 Q8602 D8602 D883 R8814 C883 R8713 C866 Q860 R885 D865 R8601 R8714 C8602 C8801 T880 R8806 C864 R880 C899 D884A D8803 L883 D8804 R883 R882 C889 R8805 D886A L881 R884 C895 C890 P P 8 1 D 8 2 8 D820 GAP11 R8310 R8313 Q8312 SR80 D820A D8311 Q8310 SR81 R8312 D8313 C824 D8310 Q8311 D8312 PP84 R8715 C8701 Q870 C878 D87...

Page 36: ... E 5 4 2 1 A K B E 2 4 1 5 B E ACDETECT 5V 3 5V 3 GND 5V 1 32V 9V 1 9V 2 GND GND GND POW_TV POW_DB 12VLCD 12VLCD STOPFAN CE64 CE63 QE20 QE21 QE60A RE28 RE20 LE61 RE29 RE27 RE21 RE23 QE25 CE61 QE26 P807A RE60 CE25 QE60 RE34 RE26 RE61 RE22 QE20A QE61 RE90 RE41 RE30 QE31 LE41 QE40A QE41 PP92 LE31 QE93 RE94 CE33 RE40 QE30A DE30 RE44 CE31 CE44 LE91 CE43 CE41 CE30 RE98 CE34 QE42 QE30 RE31 QE40 RE99 QE92...

Page 37: ... indicated to chassing ground using a color bar signal with all controls at normal line voltage 220 volts 5 Waveforms are taken receiving color bar signal with enough sensitivity 6 Voltage reading shown are nominal values and may vary 20 except H V MODEL 37HLX95 SCHEMATIC DIAGRAM WARNING BEFORE SERVICING THIS CHASSIS READ THE SERVICE SAFETY PRECAUTIONS ON PAGE 3 OF THIS MANUAL CAUTION The internat...

Page 38: ...Audio SHEET 303 27 134 HDMI Rx 3 PWR Audio SHEET 304 28 134 HDMI AUDIO PLL SHEET 305 29 134 HDMI AUDIO DAC SHEET 306 30 134 HDMI AUDIO OUT SHEET 307 31 134 HDMI CONTROLLER SHEET 308 32 134 EEPROM1 SHEET 309 33 134 EEPROM2 SHEET 310 34 134 MICRO I O SHEET 400 35 134 OCM MEMORY I F SHEET 401 36 134 FLASH MEMORY SHEET 402 37 134 SYNC SEPA SHEET 403 38 134 E2P OTHER SHEET 404 39 134 STD BY MICOR SHEET...

Page 39: ...SHEET 100 81 134 T313 Signal SHEET 101 82 134 1 1VRegulator SHEET 102 83 134 T313 Power SHEET 103 84 134 Seine TS I F SHEET 150 85 134 SEINE CAPTURE IN SHEET 200 86 134 VIDEO POWER SHEET 210 87 134 SEINE DIGITAL OUT SHEET 220 88 134 SEINE BEP IF SHEET 221 89 134 SEINE DAC OUT SHEET 225 90 134 DOWN CON OUT DRIVER SHEET 226 91 134 HD OUT LPF SHEET 227 92 134 MACRO VCD 1 2 SHEET 240 93 134 2 2 SHEET ...

Page 40: ...DDR SDRAM I F SHEET 901 120 134 DDR 1 SHEET 902 121 134 DDR 2 SHEET 903 122 134 DDR 3 SHEET 904 123 134 DDR 4 SHEET 905 124 134 DDR POWER SHEET 906 125 134 TERMINATOR SHEET 907 126 134 VCXO SHEET 941 127 134 SEINE VDD VSS SHEET 950 128 134 SIGNAL CONNECTOR SHEET 960 129 134 POWER CONNECTOR SHEET 961 130 134 Signal filter SHEET 964 131 134 D TUNER TUNER CONNECTOR TUNER SHEET 104 132 134 OOB FDC SHE...

Page 41: ...V Gemster VBI EPG MPEG Enc Audio ADC Digital Tuner POD AudioDAC Y Cb Cr D Composite Analog Tuner V2 MONI OUT REC OUT HDMI_1 HDMI_2 V1 S1 MONI SW DVD DVD Built in unit Y Pb Pr PC in R G B HD VD CS1 CS2 CS SW Y Pb Pr_2 2Vpp TV1 Y Pb Pr_1 Analog Front End Video Decoder MUX VBI Data Processor DCDi MADi Scaling LVDS Micro processor IR I F ADC GPIO Digital Input A Digital Input B 2nd Channel Process 1Vp...

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