Related Manuals for Toshiba 32HL85
Summary of Contents for Toshiba 32HL85
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Page 1: Service Manual
FILE NO. 020-200505 REVISION 1 SERVICE MANUAL LCD Color Television 32HL85 - 1 - Published in Japan, May. 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 ultraviolet rays for an extended period of time. 8. Do not store the LCD module below the temperature con- ditions described in the specifications. Failure to do so could result in freezing of the liquid crystal due to cold air or loss of resilience or other damage.
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Page 7: Displaying Adjustment Menu
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. HL85_0100 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. HL85_0100 (U15) 20 00 01 34 00 00 00000155 CMO-32...
- 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. EXT1 480i C6 38 54 CE 08 NATURAL...
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Page 12: Layout Of Major Boards
LAYOUT OF MAJOR BOARDS U103A SIGNAL BOARD U101A AV TERMINAL BOARD U811 POWER BOARD U101D KEY BOARD U101B FRONT AV BOARD U101C LED BOARD U812 AC-IN BOARD - 12 -... -
Page 13: Mechanical Disassembly
MECHANICAL DISASSEMBLY 1. Remove the stand (foot) and back cover. A450 PP3 × 8 + SW + W SBN BITTB4 × 16 SBN × 5 × 10 A445 A401 PP5 × 1 6 SW + W SBN × 5 A420 2. - Page 14 3. Remove the boards (POWER, AC-IN, SIGNAL, AV TERMINAL) and speaker. PP3 × 8 + SW + W ECO PP3 × 8 + SW + W ECO × 5 × 4 PP08 U811 PP3 × 8 + SW + W ECO ×...
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Page 15: Exploded View
EXPLODED VIEWS 1. Chassis Block BITTB4 × 16 SBN × 10 PP3 × 8 + SW + W SBN A450 × 5 A445 A401 PP3 × 8 + SW + W ECO PP3 × 8 + SW + W SBN ×... -
Page 16: Main Block
2. Main Block PP3 × 8 + SW + W ECO × 4 PP3 × 8 + SW + W ECO PP08 PP3 × 8 + SW + W ECO × 4 × 5 U103A PP3 × 8 + SW + W ECO ×... -
Page 17: Packing Disassembly
PACKING DISASSEMBLY A702A A702A A703 Y170 K902 Y101 A702B A709 Y109 A702B A701A - 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 : 32HL85 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors .... - Page 19 Location Location Parts No. Description Parts No. Description CE07 76503049 PLASTIC FILM, 63V 0.47UF J R687 76871102 CHIP, 1/8W 1K OHM J CE09 76668339 ELECTROLYTIC, 35V 3.3UF M 3A R688 76871102 CHIP, 1/8W 1K OHM J CE10 76073217 ELECTROLYTIC, 200V 560UF M R689 76871102 CHIP, 1/8W 1K OHM J CE12...
- Page 20 Location Location Parts No. Description Parts No. Description RA71 76011683 CHIP, 1/20W 68K OHM J RV41 76000445 CHIP JUMPER, 1608TYPE RA72 76011223 CHIP, 1/20W 22K OHM J RV42 76000445 CHIP JUMPER, 1608TYPE RA73 76011103 CHIP, 1/20W 10K OHM J RV43 76000445 CHIP JUMPER, 1608TYPE RA74 76000445 CHIP JUMPER, 1608TYPE...
- Page 21 Location Location Parts No. Description Parts No. Description Q853 23205443 TRANSISTOR, 2SA1162-Y(F) DE15 23362099 DIODE, ZENER, DZ27 BS B Q854 23205446 TRANSISTOR, 2SC2412K, Q T146 DE16 23357880 DIODE, ZENER, MTZJ20B Q855 23205446 TRANSISTOR, 2SC2412K, Q T146 DE17 23357512 DIODE, AL01Z Q883 23135091 IC, ERROR AMP.
- Page 22 Location Location Parts No. Description Parts No. Description CABINET PARTS P811B 23713909 CONNECTOR, CONNECTOR B4P-VH(LF) P812A 23713910 CONNECTOR, CONNECTOR B5P-VH(LF) A201 23533432 COVER, FRONT BEZEL ASSY P812B 23713910 CONNECTOR, CONNECTOR B5P-VH(LF) A231 23717226 SCREW, PB 4X5 SNI 32WL48C P813A 23713937 CONNECTOR, PLUG 4P B4B-PH-K-S(LF) A240 23717267 SCREW, BITTB4X16 SBN 32LZ100 P813B...
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Page 23: Pc Boards Top & Bottom View
DE93 DE94 DE92 D101 C101 RE97 RE95 QE91 CE87 C112 C113 FE90 C114 R108 R107 C115 GR04 R105 R103 C6610 C6608 C116 R161 R167 QE90A QE90 C103 R165 Q161 RV44 QE94 R111 RV43 C121 RV42 R122 RV41 L123 C108 RV82 C6605 C6614 C681... - Page 24 CB05 L_GND L_SPK R_SPK R_GND L_GND L_AMP R_AMP R_GND PJ42A RB09 R687 R688 R689 CB04 RB22 RB10...
- Page 25 SIGNAL BOARD PD2131G1 (U103A) BOTTOM (FOIL) SIDE - 27 -...
- Page 26 SIGNAL BOARD PD2131G1 (U103A) TOP (COMPONENT) SIDE - 28 -...
- Page 27 QE75 QE74 RE82 DE17 DE12 P805 DE55 P803A CE29 DE55 DE54 DE19 DE54 DE56 DE52 L804 RE17 RE13 P804 DE09 R861 R862 D811 CE51 DE16 D812 DE13 RE16 CE55 CE23 C820 CE52 RE55 CE53 R812 L883 R814 CE50 DE50 C883 QE64 R806 DE14...
- Page 28 T801 P811A C8100 C8110 CE04 DE03 DE02 CE02 Q852 Q851 R854 R853 Q855 F801A F801 F801B 125V 8A...
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Page 29: Schematic Diagram
SCHEMATIC DIAGRAM MODEL : 32HL85 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 30 SCHEMATIC DIAGRAM STRUCTURE: CONNECTOR ..............................1/48 AV_JACK ................................2/48 AUDIO_OUT ............................... 3/48 REGULATOR ..............................4/48 FRONT-AV ................................5/48 LED_RMT ................................6/48 KEY ..................................7/48 TIF ..................................8/48 CONNECTOR(POWER_BOARD) ........................9/48 MAIN_POWER(POWER_BOARD) ........................10/48 SUB_POWER(POWER_BOARD) ........................11/48 AC-INPUT ................................. 12/48 SIGNAL ANALOG IN [SHEET-200] ..
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