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Toshiba TheaterWide 37HL95, Service Manual

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SERVICE MANUAL

LCD Color Television

37HL95

FILE NO.  020-200514

Published in Japan,  Jul. 2005 (YC)

 TOSHIBA  CORPORATION  2005

DOCUMENT CREATED IN JAPAN, July, 2005

Summary of Contents for TheaterWide 37HL95

Page 1: ... 1 SERVICE MANUAL LCD Color Television 37HL95 FILE NO 020 200514 Published in Japan Jul 2005 YC TOSHIBA CORPORATION 2005 DOCUMENT CREATED IN JAPAN July 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 24 CIRCUIT BLOCK DIAGRAM 47 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: ...ecifications Failure to do so could result in freezing of the liquid crystal due to cold air or 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 ...

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: ...Time Total hour of turn the TV on Unit H O Power Operation number of protecting circuit 000 is normal When indication is other than 000 overcurrent apt to flow and circuit parts may possibly be damaged P 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 Q Bus cont OK is normal NG is abnormal ...

Page 10: ...file name HL95 Version 1489 for Code Program Version and U15 for OSD Version indicates HL95_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 LCD Panel Vender information display The following Panel Vender ...

Page 11: ...on Display RF position number 0 99 on the main screen or Input Source EXT1 2 3 HDMI etc N MAIN FORMAT Display Video and PC format information O MAIN PLL Main PLL information Display five numbers of 1 byte data P SCREEN SIZE Display the screen size as follows EXT1 480i NATURAL C6 08 10 CE 05 0000 0000 0000 M N P Q O Q OTHER STATUS Other status information Display three numbers of 2 byte data Theate...

Page 12: ...BOARDS U101A AV TERMINAL BOARD U103A SIGNAL BOARD U102A RF SW TIF BOARD U101D KEY BOARD U101C LED BOARD U812 AC IN BOARD U105A D TUNER BOARD U104A SEINE FOR FPD BOARD U101B FRONT AVBOARD U811 POWER BOARD U101E PC IN BOARD ...

Page 13: ...EY PC IN RF SW TIF and piece key ass y 4 40UNC JFS 4S L 13 A320 P801 A315 H001 PP08 PP08 PP08 A340 BITTB3 12 SBN 5 PP3 8 SW W ECO 2 PP3 8 SW W ECO 3 PP3 8 SW W SBN 2 PP3 8 SW W SBN PP3 8 SW W SBN PP3 8 SW W SBN PP3 8 SW W SBN 4 BITTB3 8 SBN 3 PP3 8 SW W ECO PP3 8 SW W ECO PP3 8 SW W ECO 4 PP3 8 SW W ECO 2 PP3 8 SW W SBN BITTB3 12 SBN 2 U101E U102A H003C U101C U101D U101B ...

Page 14: ...W W ECO 5 U103A U101A U105A U104A 3 Remove the boards AV TERMINAL SIGNAL SEINE FOR FPD D TUNER POWER AC IN and speaker 4 Remove the display BITTB4 16 SBN BITTB4 16 SBN BITTB4 16 SBN BITTB4 16 SBN BITTB4 16 SBN PP3 8 SW W ECO 12 PP3 8 SW W ECO 2 PP3 8 SW W ECO 2 PP4 8 SW W ECO PP3 8 SW W ECO PP4 8 SW W ECO PP3 8 SW W ECO PP3 8 SW W ECO 2 PP3 8 SW W ECO 5 PP3 8 SW W SBN 2 PP4 8 SW W SBN 4 B001 PP08 ...

Page 15: ...CO 4 PP3 8 SW W ECO 2 PP3 8 SW W SBN 5 PP3 8 SW W SBN 4 PP5 16 SW W SBN 5 PP3 8 SW W SBN PP3 8 SW W ECO 2 PP3 8 SW W ECO 3 PP3 8 SW W ECO 3 PP3 8 SW W ECO PP3 8 SW W SBN 2 PP3 8 SW W SBN 4 40UNC JFS 4S L 13 A450 A401 PP08 A340 A320 PP08 A420 P801 A315 H001 A445 PP3 8 SW W SBN PP3 8 SW W SBN U102A U101E H003C U101C U101D U101B ...

Page 16: ... 8 SW W ECO 4 PP4 20 SW W SBN 2 PP3 8 SW W ECO 12 PP3 8 SW W ECO 2 PP3 8 SW W ECO 2 PP3 8 SW W ECO PP4 8 SW W ECO PP4 8 SW W ECO PP3 8 SW W ECO PP3 8 SW W ECO 2 PP3 8 SW W ECO 5 PP3 8 SW W SBN 2 PP4 8 SW W SBN 4 PP3 8 SW W ECO 5 PP3 8 SW W ECO 5 PP3 8 SW W ECO 3 U812 B001 W661 W661 A405 PP08 PP08 A201 PP08 U811 PP08 UF03 PP08 U103A U101A U105A U104A 2 Main Block ...

Page 17: ... 17 PACKING DISASSEMBLY A701B A701A A702B A702B A709 A702A A702A A705 A705 K902 Y170 Y102 ...

Page 18: ...6669100 ELECTROLYTIC 50V 10UF M C673 76667470 ELECTROLYTIC 25V 47UF M 3A C674 76669010 ELECTROLYTIC 50V 1UF M C675 76669339 ELECTROLYTIC 50V 3 3UF M C676 76797101 ELECTROLYTIC 50V 100UF M C678 76503041 PLASTIC FILM 63V 0 1UF J C679 76503041 PLASTIC FILM 63V 0 1UF J C680 76073072 ELECTROLYTIC 35V 1000UF M 3A C681 76073072 ELECTROLYTIC 35V 1000UF M 3A C682 76073072 ELECTROLYTIC 35V 1000UF M 3A C684 ...

Page 19: ...F Z CV78 76085988 ELECTROLYTIC NP 50V 1UF M 7L RESISTORS R103 76011101 CHIP 1 20W 100 OHM J R104 76011103 CHIP 1 20W 10K OHM J R105 76011273 CHIP 1 20W 27K OHM J R107 76000445 CHIP JUMPER 1608TYPE R108 76000445 CHIP JUMPER 1608TYPE R110 76011682 CHIP 1 20W 6 8K OHM J R111 76011391 CHIP 1 20W 390 OHM J R113 76000445 CHIP JUMPER 1608TYPE R114 76000445 CHIP JUMPER 1608TYPE R115 76011102 CHIP 1 20W 1K...

Page 20: ...78 76000445 CHIP JUMPER 1608TYPE RA79 76000445 CHIP JUMPER 1608TYPE RB08 76011470 CHIP 1 20W 47 OHM J RB09 76011470 CHIP 1 20W 47 OHM J RB10 76011331 CHIP 1 20W 330 OHM J RB15 76011471 CHIP 1 20W 470 OHM J RB24 76000445 CHIP JUMPER 1608TYPE RC11 76011821 CHIP 1 20W 820 OHM J RC12 76011821 CHIP 1 20W 820 OHM J RE03 76553683 OXIDE METAL FILM 1W 68K OHM J RE04 76553683 OXIDE METAL FILM 1W 68K OHM J R...

Page 21: ...Q801 23135087 IC HYBRID VDS 200V STR Z4317 Q826 23000823 IC PHOTO COUPLER TLP421F GR Q851 23205446 TRANSISTOR 2SC2412K Q T146 Q852 23205446 TRANSISTOR 2SC2412K Q T146 Q853 23205443 TRANSISTOR 2SA1162 Y F Q854 23205446 TRANSISTOR 2SC2412K Q T146 Q855 23205446 TRANSISTOR 2SC2412K Q T146 Q883 23135091 IC SE024N Q4100 23085635 TRANSISTOR 2SC3437 Y TE85L F Q4101 23085635 TRANSISTOR 2SC3437 Y TE85L F Q4...

Page 22: ...P JUMPER 1608TYPE GR02 76000445 CHIP JUMPER 1608TYPE GR03 76000445 CHIP JUMPER 1608TYPE GR04 76000445 CHIP JUMPER 1608TYPE GR05 76000445 CHIP JUMPER 1608TYPE GR31 76000445 CHIP JUMPER 1608TYPE GR34 76000445 CHIP JUMPER 1608TYPE GR35 76000445 CHIP JUMPER 1608TYPE GR100 76000445 CHIP JUMPER 1608TYPE GR112 76000445 CHIP JUMPER 1608TYPE GR113 76000445 CHIP JUMPER 1608TYPE GR114 76000445 CHIP JUMPER 16...

Page 23: ...PC BOARD ASSY PD2232A1 D TUNER U811 75001424 PC BOARD ASSY PD2237C1 POWER U812 75001425 PC BOARD ASSY PD2237C2 AC IN TUNER H001 23321536 TUNER TIF US HOR IIC PH 864M ENG36A36GF ACCESSORIES A701A 23015096 CARTON TOP CASE 37HL95 A701B 23015097 CARTON BOTTOMCASE37HL95 A702A 23946122 PACKING TOP PACKING 37HL95 A702B 23946123 PACKING BOTTOM PACKING 37HL95 A705 23518043 PACKING JOINT A709 23946940 PACKI...

Page 24: ...8 Q652 Q653 R6615 RV20 RV07 DV05 QE98 R897 R895 D897 D896 RE85 RE20 RE26 RV23 DE21 RE90 DE95 RE91 RV18 CV10 R657 RE96 QV61 R6644 RE25 RE94 RE93 R659 D680 D671 DV01 Q665 RE27 R6640 RE84 R658 RV22 RV25 Q651 R6645 D674 QE97 RE88 R679 RE98 R894 RE87 R6632 R6654 R6650 R656 R6631 D681 R6641 RV600 R6661 R6646 R896 RV21 R6642 DE99 R6637 C684 D675 R6643 RV19 QE95 RV78 R6655 R6614 R6647 R6656 Q6602 Q664 R66...

Page 25: ...41A DB23 DB22 DB01A KB01 DB20 RB10 QB04 RB22 RB24 CB04 RB09 CB38 QB07 RB15 CB03 RB08 RB18 DB23 DB22 DB20 TIMER 23590239B PD2151 11 10 9 8 7 1 2 3 4 5 6 3 POWER DB04A DB04 CB02 DB01 CB01 CB05 PJ41A DB01A KB01 LED BOARD PD2151B3 U101C BOTTOM FOIL SIDE LED BOARD PD2151B3 U101C TOP COMPONENT SIDE 26 27 DS 7209 23547816 6 5 4 3 2 1 RA77 RA76 SA08 RA78 DA06 SA06 SA05 SA04 RA71 RA72 RA73 SA03 SA02 PJ42A ...

Page 26: ...01 L110 H003 C153 C150 C152 C151 L152 L151 R151 R152 GR113 GR613 GR114 Q161R167 R107 L190 R108 C113 C112 C103 C111 C110 C101 L103 C116 C117 R166 C161 GR01 C115 C114 C119 GR05 GR02 GR03 C162 R115 GR04 R161 Q102 R168 R111 R110 R165 Q101 R112 C164 L102 GR612 GR112 R104 R105 C118 R103 R113 C190 R114 D101 C153 C152 C151 L152 L151 R151 R152 23590281B 20 1 19 9 8 3 PD2190 1 2 15 16 OOB H001 C105 C109 L10...

Page 27: ...SIGNAL BOARD PD2131H1 U103A BOTTOM FOIL SIDE 29 30 ...

Page 28: ...SIGNAL BOARD PD2131H1 U103A TOP COMPONENT SIDE 31 32 ...

Page 29: ...SEINE FOR FPD BOARD PD2266C1 U104A BOTTOM FOIL SIDE 33 34 ...

Page 30: ...SEINE FOR FPD BOARD PD2266C1 U104A TOP COMPONENT SIDE 35 36 ...

Page 31: ...D TUNER BOARD PD2232A1 U105A BOTTOM FOIL SIDE D TUNER BOARD PD2232A1 U105A TOP COMPONENT SIDE 37 38 ...

Page 32: ...D2237 1 C888 R862 DE73A DE51 L889 L883 R861 LE53 L888 LE73 QE73 P813B P803A P805 P804 PJ80A QE75 D884 QE92 CE51 GJ82 GJ84 QE52 RE57 RE92 RE53 DE50 LE74 RE73 GJ841 CE54 RE52 CE73 RE74 DE52 D883 CE76 RE60 CE43 CE52 QE93 L890 GJ889 D884A CE50 C883 QE93A RE78 CE53 RE83 CE75 RE56 CE74 QE83 RE82 RE43 CE55 RE55 RE58 RE79 LE72 RE61 QE40 RE49 FE76 RE45 LE71 QE53 DE54 DE73 DE56 CE83 CE41 RE46 GE51 RE54 D885...

Page 33: ...A 2 5 4 3 2 4 3 2 1 4 3 2 1 P800 D899 P805B R801 T801 GAP C801 R899 L802 C812 CE13 DE02 DE03 RE03 LE07 P812A L801 GJ94 CE02 C811 F801B RE04 CE14 F801 C802 GJ90 F801A GJ89 GJ88 T802 GJ87 C805 CE04 P813A C8100 C8110 C E 0 5 LE06 C806 L806 L807 P811A GJ92 GJ91 C851 D801 SR81 GJ93 R828 R853 Q854 D852 R857 Q851 R854 R856 C852 R859 Q853 Q852 R852 R858 R850 R855 D801A R827 Q855 DE01 R851 C851 R853 Q854 R...

Page 34: ... 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 37HL95 SCHEMATIC DIAGRAM WARNING BEFORE SERVICING THIS CHASSIS READ THE SERVICE SAFETY PRECAUTIONS ON PAGE 3 OF THIS MANUAL CAUTION The internati...

Page 35: ... F SHEET 401 27 122 FLASH MEMORY SHEET 402 28 122 SYNC SEPA SHEET 403 29 122 E2P OTHER SHEET 404 30 122 STD BY MICOR SHEET 405 31 122 CORTEZ REG 1 SHEET 406 32 122 CORTEZ REG 2 SHEET 407 33 122 CORTEZ REG 3 SHEET 408 34 122 BOOT CONFIG SHEET 409 35 122 SERVICE CONNECTOR SHEET 410 36 122 I2C Switch SHEET 411 37 122 AUDIO 1 2 SHEET 600 38 122 2 2 SHEET 601 39 122 CORTEZ 1 SHEET 700 40 122 CORTEZ 2 S...

Page 36: ...RIVER SHEET 226 79 122 HD OUT LPF SHEET 227 80 122 MACRO VCD 1 2 SHEET 240 81 122 2 2 SHEET 241 82 122 VIDEO LPF SHEET 242 83 122 MPEG Enc CLK SDRAM SHEET 250 84 122 MPEG Enc AV I F SHEET 251 85 122 MPEG Enc STREAM I F SHEET 252 86 122 MPEG Enc POWER SHEET 253 87 122 LPF Slicer SHEET 260 88 122 H V Sync Sep SHEET 261 89 122 AUDIO POWER SHEET 300 90 122 SEINE AUDIO I F SHEET 301 91 122 AUDIO DAC SH...

Page 37: ... DDR POWER SHEET 906 113 122 TERMINATOR SHEET 907 114 122 VCXO SHEET 941 115 122 SEINE VDD VSS SHEET 950 116 122 SIGNAL CONNECTOR SHEET 960 117 122 POWER CONNECTOR SHEET 961 118 122 Signal filter SHEET 964 119 122 D TUNER TUNER CONNECTOR TUNER SHEET 104 120 122 OOB FDC SHEET 105 121 122 FAT TUNER SHEET 106 122 122 ...

Page 38: ...aling BEP LVD S OSD Micro processor IR I F Digital Input A Digital Input B 2nd Channel Process STAND BY MICRO DDR SDRAM IO EXP DDR SDRAM I2C MSP SIGNAL BOARD I2C PC IN POWER BOARD AC INPUT Audio out AV BOARD TIF EXT in GPIO AD I2C PANEL CORTEZ FLASH ROM EEPROM PANEL I F FLI8532 Digital Board CIRCUIT BLOCK DIAGRAM ...

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