Toshiba 37HLX95 Service Manual
Lcd color television
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Also See for 37HLX95:
- Circuit diagrams (141 pages) ,
- Specifications (2 pages) ,
- Owner's manual (106 pages)
Related Manuals for Toshiba 37HLX95
Summary of Contents for Toshiba 37HLX95
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Page 1: Service Manual
FILE NO. 020-200519 SERVICE MANUAL LCD Color Television 37HLX95 - 1 - DOCUMENT CREATED IN JAPAN, Sept., 2005 Published in Japan, Sep. 2005 (YC) TOSHIBA CORPORATION 2005... -
Page 2: Table Of Contents
TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................ 3 HANDLING 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 &... -
Page 3: Service Safety Precautions
SERVICE SAFETY PRECAUTIONS • The caution items shown here describe major safety issues and should always be observed. • The meanings of the various indications are as follows. Indicates a hypothetical situation in which service personnel and nearby third parties, or even WARNING end users due to a product defect after the service operation is completed, could possibly be in danger of injury or even death in the event of operational error. - Page 4 WARNING • Always advise users to keep children away. There is danger of injury to children from tools, disassembled products, etc. KEEP CHILDREN AWAY • Always disconnect the power plug before starting work whenever power is not required. Failure to disconnect the power plug before starting work can result in electrical shock. UNPULUG •...
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Page 5: Handling The Lcd Module
HANDLING THE LCD MODULE Safety Precautions 3. If the panel surface becomes soiled, wipe with cotton or a In the event that the screen is damaged or the liquid crystal soft cloth. If this does not remove the soiling, breathe on (fluid) leaks, do not breathe in or drink this fluid. - Page 6 7. Do not expose the LCD module to direct sunlight or strong Safety Precautions for Laser Beam (DVD Player) ultraviolet rays for an extended period of time. Do not look into the opening of the disc slot or ventilation opening of the product to see the source of the laser beam. It may cause sight damage.
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Page 7: Service Mode
SERVICE MODE 1. ENTERING SERVICE MODE 1) Press MUTE button twice on 2) Press MUTE button again and 3) While pressing the MUTE button, Remote Control. keep pressing. press MENU button on TV set. MUTE (Service mode display) 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on Remote Control. - Page 8 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL button in the service mode changes the adjustment items in the order of table-2. button for reverse order) 5. ADJUSTING THE DATA 1) Pressing of VOLUME button will change the value of data in the range from 00H to FFH. The variable range depends on the adjusting item.
- Page 9 SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s is executed properly. 2) During diagnosis, the following displays are shown. HLV95_1489 000000 Firmware :...
- Page 10 9. VERSION CHECK MODE 1) Press “9” button twice on Remote Control during display of adjustment menu in the service mode. The version of main MPU will begin to check. 2) During Version Check, the following displays are shown. HLV95_1489 (U15) 74 00 01 25 00 00 00000155 SHP-37...
- Page 11 10. STATUS CHECK MODE 1) Press “9” button thrice on Remote Control during display of adjustment menu in the service mode. The status of this model will begin to check. 2) During Status Check, the following displays are shown. ANT1 CABLE 12 480i 06 OF B0 CE 02 NATURAL...
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Page 12: Layout Of Major Boards
LAYOUT OF MAJOR BOARDS U104A TN/AV-AOUT BOARD U101 SIGNAL DVD-LCD BOARD U104B FRONT AV BOARD U803 LOWB BOARD U104D KEY-SW BOARD U104C LED-RMT BOARD U104E PC-IN BOARD U104F DVD-KEY BOARD U103 U801 D-TUNER BOARD POWER BOARD U102 U802 SEINE FOR FPD BOARD AC-IN BOARD - 12 -... -
Page 13: Mechanical Disassembly
MECHANICAL DISASSEMBLY 1. Remove the stand (foot) and back cover. PP3 × 8 + SW + W SBN A450 × 6 BITTB4 × 16 SBN × 10 A445 A401 PP5 × 16 SW + W SBN × 5 A420 2. Remove the boards (FRONT AV, KEY-SW, PC-IN, DVD-KEY) and piece key ass'y. PP3 ×... - Page 14 3. Remove the boards (SIGNAL DVD-LCD, SEINE FOR FPD, D-TUNER, TN/AV-AOUT, LED-RMT, POWER, AC-IN, LOWB) and speaker. PP12 PP3 × 8 + SW + W ECO × 6 PP4 × 20 PP3 × 8 + SW + W ECO + SW + W ×...
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Page 15: Exploded View
EXPLODED VIEWS 1. Chassis Block PP3 × 8 + SW + W SBN × 6 BITTB4 × 16 SBN × 10 A450 A445 A401 PP3 × 8 + SW + W SBN × 6 BITTB3 × 8 × 2 BITTB3 × 8 ×... -
Page 16: Main Block
2. Main Block PP12 PP3 × 8 + SW + W ECO × 6 PP4 × 20 + SW + W SBN PP3 × 8 + SW + W ECO × 2 × 4 UF03 PP3 × 8 + SW + W ECO PP12 PP3 ×... -
Page 17: Packing Disassembly
PACKING DISASSEMBLY A702A A702A Y170 K902 Y101 A702B A709 A702B A705 A701A A705 A701B - 17 -... -
Page 18: Chassis And Cabinet Replacement Parts List
• The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. ∗ • The PC board assembly with mark is no longer available after the end of the production. Model : 37HLX95 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors .... - Page 19 Location Location Parts No. Description Parts No. Description C884 76073196 ELECTROLYTIC, 50V 22UF M 3A CD61 76105330 CERAMIC CHIP, 50V CH 33PF J C885 76214471 CERAMIC DISC, 500V B 470PF K CD62 76105330 CERAMIC CHIP, 50V CH 33PF J C886 76212152 CERAMIC DISC, 50V B 1500PF K CD63...
- Page 20 Location Location Parts No. Description Parts No. Description CS47 76092611 CERAMIC CHIP, 6.3V B 2.2UF K R683 76011103 CHIP, 1/20W 10K OHM J CS48 76092538 CERAMIC CHIP, 10V F 1UF Z R684 76011104 CHIP, 1/20W 100K OHM J CS49 76092538 CERAMIC CHIP, 10V F 1UF Z R685 76011222...
- Page 21 Location Location Parts No. Description Parts No. Description R8132 76871182 CHIP, 1/8W 1.8K OHM J R8607 76872221 CHIP, 1/16W 220 OHM J R8133 76011102 CHIP, 1/20W 1K OHM J R8701 76000595 CHIP, 1/16W 15K F R8140 76011682 CHIP, 1/20W 6.8K OHM J R8702 76190012 METAL FILM CHIP 1/16W 1.5K F...
- Page 22 Location Location Parts No. Description Parts No. Description RD76 76011563 CHIP, 1/20W 56K OHM J RR01 76871750 CHIP, 1/8W 75 OHM J RD77 76011153 CHIP, 1/2OW 15K OHM J RR02 76871750 CHIP, 1/8W 75 OHM J RD78 76000445 CHIP JUMPER, 1608TYPE RR03 76871750 CHIP, 1/8W 75 OHM J...
- Page 23 Location Location Parts No. Description Parts No. Description RV27 76011750 CHIP, 1/20W 75 OHM J LD61 23103230 INDUCTOR, BEAD, TEM2134AD RV28 76011750 CHIP, 1/20W 75 OHM J LD62 23103230 INDUCTOR, BEAD, TEM2134AD RV29 76011750 CHIP, 1/20W 75 OHM J LD63 23103230 INDUCTOR, BEAD, TEM2134AD RV30...
- Page 24 Location Location Parts No. Description Parts No. Description Q8310 23205328 TRANSISTOR, RN1405(F) D815 23357692 DIODE, ZENER, RD2.0ESA B2 Q8311 23205506 TRANSISTOR, 2SC4081 Q D816 23357738 DIODE, ZENER, MA8047-L Q8312 23205506 TRANSISTOR, 2SC4081 Q D819 23357718 THYRISTOR, SF0R3G42(N,G5H1) Q8390 23205506 TRANSISTOR, 2SC4081 Q D820 23357913 DIODE, RBV-1506, LF-A...
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Page 25: Bittb4
Location Location Parts No. Description Parts No. Description D8805 23357745 DIODE, ZENER, MA8056-M GR110 76000445 CHIP JUMPER, 1608TYPE DA11 23362042 DIODE, ZENER, UDZS6.8B GR112 76000445 CHIP JUMPER, 1608TYPE DA12 23362042 DIODE, ZENER, UDZS6.8B GR113 76000445 CHIP JUMPER, 1608TYPE DA13 23362042 DIODE, ZENER, UDZS6.8B GR150 76000445... - Page 26 Parts No. Description Parts No. Description CABINET PARTS Q670B 23717240 SCREW Q820B 23717240 SCREW A201 23533487 COVER, FRONT BEZEL ASSY 37HLX95 Q880B 23717240 SCREW A315 23533551 COVER, BACK CENTER COVER 37HLX95 QE10B 23717240 SCREW A320 23940490 PIECE, FRONT AV ASSY...
- Page 32 RD86 CD83 CD88 RD85 RD83 CD96 RD52 CD92 RD103 LOAD_SW RD86 RD43 RD100 CD83 RD102 5VDVD CD88 CD82 CD92 3.3VDVD RD100 5VDVD RD102 RD53 3.3VDVD VFD_CS RD44 CD93 RD85 VFD_CLK RD83 CD91 3.3VDVD CD81 CD47 5VDVD 5VDVDSW 5VDVD LD42 5VDVD LD44 LV286 LV288...
- Page 33 LV245 RB24 CB04 RB10 RB18 RB15 DA14...
- Page 34 RD78 RD76...
- Page 35 C899 D8804 R8805 L881 R883 R884 R882 C889 C897 Q8802 C882 D892 R8814 R8814 D887 R8801 R8801 S-GND C8802 C8802 S-GND D882 C883 R8804 R8804 5V-1 D883 ACDETECT C885 PROTECT C8891 C884 D880 POWER_SIG Q881 R881 POWER R880 C875 C892 R8806 C898 R8713...
- Page 36 CE10 DE08 RE19 LE10 CE11 FAN_VCC RE18 CE75 DE03 QE11 DE02 CE17 CE12 STOP_FAN QE10 DE04 DE09 CE16 FAN_VCC STOPFAN QE10A QE75 POW_TV RE13 POW_DB CE15 CE67 DE05 RE12 STOP_FAN 12VLCD DE14 FAN_VCC 12VLCD RE02 RE95 QE01 CE65 QE95 STOP_FAN RE06 FAN_VCC POWER_SIG...
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Page 37: Schematic Diagram
SCHEMATIC DIAGRAM MODEL : 37HLX95 WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "SERVICE SAFETY PRECAUTIONS" ON PAGE 3 OF THIS MANUAL. CAUTION : The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list. - Page 38 SCHEMATIC DIAGRAM STRUCTURE: TN/AV A-OUT CONNECTOR [SHEET-1/7] ..1/134 AV TERMINAL [SHEET-2/7] ..2/134 RF-SW & TIF [SHEET-3/7] ..3/134 A-OUT [SHEET-4/7] ..4/134 VIDEO-SW [SHEET-5/7] ..5/134 AUDIO-SW [SHEET-6/7] ..6/134 DVD OP AMP [SHEET-7/7] ..7/134 FRONT-AV ................................. 8/134 LED_RMT .................................
- Page 39 SIGNAL DCDC CONV. [SHEET-802] ..57/134 LVDS OUT [SHEET-900] ..58/134 LVDS OUT(SHARP LCD) [SHEET-901] ..59/134 Power Connector and Dimming [SHEET-902] ..60/134 LVDS Power and Others [SHEET-903] ..61/134 SEINE FOR FPD SEINE RESET/CLOCK/TIMER/IRC [SHEET-1] ..62/134 SEINE SLOW BUS [SHEET-2] ..
- Page 40 SEINE FOR FPD AUDIO VTR OUT [SHEET-310] .. 112/134 MB86619 [SHEET-400] .. 113/134 MB86619 (POWER) [SHEET-401] .. 114/134 CPLD XILINX [SHEET-700] .. 115/134 SLOWBUS [SHEET-701] .. 116/134 PODVPP [SHEET-702] .. 117/134 POD I/F [SHEET-703] .. 118/134 PODVCC [SHEET-704] .. 119/134 DDR SDRAM I/F [SHEET-901] ..
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