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May, 2003

FILE NO.  010-200306

SERVICE MANUAL

LCD TELEVISION

20VL43P, 14VL43P

Содержание 14VL43P

Страница 1: ...May 2003 FILE NO 010 200306 SERVICE MANUAL LCD TELEVISION 20VL43P 14VL43P ...

Страница 2: ...PRECAUTIONS 3 HANDLING THE LCD MODULE 5 LOCATION OF CONTROLS 7 LAYOUT OF MAJOR BOARDS 9 MECHANICAL DISASSEMBLY 10 PACKING DISASSEMBLY 13 WIRING CONNECTION DIAGRAM 15 CHASSIS AND CABINET REPLACEMENT PARTS LIST 16 PC BOARDS BOTTOM VIEW 23 SPECIFICATIONS END APPENDIX CIRCUIT DIAGRAM ...

Страница 3: ...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 indic...

Страница 4: ...fied parts when the mark 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 vo...

Страница 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...

Страница 6: ...s 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 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 ...

Страница 7: ... Representative 20VL43P TV front VOLUME CHANNEL 9 8 a TV VIDEO f 7 POWER AUDIO OUT EXT2 HEADPHONES Jack Remote Sensor TV rear EXT1 DC input To remove the cover pull the button of the cover toward you SCART INPUT EXT2 ON Timer indicator POWER indicator Antenna input ...

Страница 8: ...enu information and closes menus P cycles through programmed channels Also used to highlight selections on the on screen menus adjusts the volume level Also used to increase or reduce the value of a menu option OK sets programmed menu information Teletext Coloured Buttons directly access teletext linked page selects stereo bilingual sound mode mutes the sound selects hidden content during teletext...

Страница 9: ...GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS 9 LAYOUT OF MAJOR BOARDS Inverter Board Key Control Board Main Board Inverter Board Light Receiving Board ...

Страница 10: ...TMENTS SPECIFIC INFORMATIONS 10 MECHANICAL DISASSEMBLY Representative 20VL43P Ferrite Core Flexible Cable Connector A205 Main Board Jack Plate Grounding Wire Copper Foil Main Unit Base A206 Screw A204 Copper Foil A ...

Страница 11: ...JUSTMENTS SPECIFIC INFORMATIONS 11 Claw A205 A206 Claw Insulating Plate Baked plate attached on upper and lower shields Shield Case Main Board Screw with washer Screw Grounding Wire Plate A203 Speaker Ass y V001 ...

Страница 12: ...SPECIFIC INFORMATIONS 12 LCD Back Panel LCD Back Panel Chilled Metal Fittings Screw Chilled Metal Fittings Screw Grounding Wire Screw LCD Back Panel LCD Ass y Screw Grounding Wire Flexible Cable Claw 19 pcs LCD Front Panel ...

Страница 13: ...GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS 13 PACKING DISASSEMBLY 20VL43P K902 Y101 A702A A702B A227 A701 ...

Страница 14: ...GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS 14 PACKING DISASSEMBLY 14VL43P A701 A227 ...

Страница 15: ...AM Key Control Board Inverter Board White Black Light Receiving Board LCD Monitor Main Unit Side Flexible Cable Wire Cable Tube Inverter Board White Black Main Board Right Speaker Left Speaker Wiring connection diagram viewed from the rear side Base Unit Main Unit Side ...

Страница 16: ...9 24619068 ELECTROLYTIC 50V 0 47UF C644 24619046 ELECTROLYTIC 16V 470UF C645 24619046 ELECTROLYTIC 16V 470UF C646 24092730 CERAMIC CHIP 16V B 0 1UF K C647 24092730 CERAMIC CHIP 16V B 0 1UF K C803 24619046 ELECTROLYTIC 16V 470UF C809 24619046 ELECTROLYTIC 16V 470UF C813 24619046 ELECTROLYTIC 16V 470UF C821 24567104 PLASTIC FILM 50V 0 1UF J C825 24567104 PLASTIC FILM 50V 0 1UF J C830 24092730 CERAMI...

Страница 17: ...AMIC CHIP 16V B 0 1UF K CT13 24092730 CERAMIC CHIP 16V B 0 1UF K CV01 24619040 ELEC CHIP 16V 10UF M 3A CV02 24092441 CERAMIC CHIP 16V F 1UF Z CV03 24092441 CERAMIC CHIP 16V F 1UF Z CV04 24619040 ELEC CHIP 16V 10UF M 3A CV05 24619040 ELEC CHIP 16V 10UF M 3A CV06 24619040 ELEC CHIP 16V 10UF M 3A CV07 24619040 ELEC CHIP 16V 10UF M 3A CV08 24619157 MENJISSOU TYP 16V100U CV09 24100103 CERAMIC CHIP 50V ...

Страница 18: ...HIP METAL FILM 1 20W 33K OHM J RA53 24011223 CHIP METAL FILM 1 20W 22K OHM J RA55 24011105 CHIP METAL FILM 1 20W 1M OHM J RA65 24011103 CHIP METAL FILM 1 20W 10K OHM J RA66 24011103 CHIP METAL FILM 1 20W 10K OHM J RA67 24011103 CHIP METAL FILM 1 20W 10K OHM J RA68 24011103 CHIP METAL FILM 1 20W 10K OHM J RA72 24011472 CHIP METAL FILM 1 20W 4 7K OHM J RA73 24011472 CHIP METAL FILM 1 20W 4 7K OHM J ...

Страница 19: ... CHIP METAL FILM 1 16W 75 OHM J RV14 24011103 CHIP METAL FILM 1 20W 10K OHM J RV15 24011103 CHIP METAL FILM 1 20W 10K OHM J RV19 24011101 CHIP METAL FILM 1 20W 100 OHM J RV20 24011101 CHIP METAL FILM 1 20W 100 OHM J RV21 24011101 CHIP METAL FILM 1 20W 100 OHM J RV22 24011101 CHIP METAL FILM 1 20W 100 OHM J RV23 24011101 CHIP METAL FILM 1 20W 100 OHM J RV24 24011101 CHIP METAL FILM 1 20W 100 OHM J ...

Страница 20: ...R CHIP R1 R2 47K DTA144EKAT146 QS04 70114396 TRANSISTOR 2SC3326B QS05 70114396 TRANSISTOR 2SC3326B QS06 23314204 TRANSISTOR 2SC2412K Q QS07 23314204 TRANSISTOR 2SC2412K Q QS08 70114396 TRANSISTOR 2SC3326B QS09 70114396 TRANSISTOR 2SC3326B QS20 23314204 TRANSISTOR 2SC2412K Q QS21 23314204 TRANSISTOR 2SC2412K Q QS22 23205045 TRANSISTOR 2SA1037AKQ QT01 23000994 IC SAA5264PS QT02 23009581 IC 4096BITS ...

Страница 21: ...01 23144718 FUSE PROTECT 2000 11CT PRF2000 11CT ZP02 23144719 FUSE PROTECT 5000 11CT PRF5000 11CT ZP04 23144718 FUSE PROTECT 2000 11CT PRF2000 11CT ZP05 23144718 FUSE PROTECT 2000 11CT PRF2000 11CT PC BOARD ASSEMBLIES U001 72790545 INVERTER BOARD DS 1020WF 1 20LF10 20VL43P U001 72790542 INVERTER BOARD DS 1044WF 14LF10 14VL43P U002 72790546 INVERTER BOARD DS 1020WF 2 20LF10 20VL43P U902A 23788776 M...

Страница 22: ... 22 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 23: ... 23 24 MAIN BOARD PD1268 1 BOTTOM FOIL SIDE CONT SW BOARD PD1268 2 BOTTOM FOIL SIDE CONT LED BOARD PD1268 3 BOTTOM FOIL SIDE CONT SW BOARD PD1268 4 BOTTOM FOIL SIDE ...

Страница 24: ...rs are 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless ot...

Страница 25: ...Speaker type 45 mm round 2pcs External EXT1 Video input S Video input Audio L R input Connections EXT2 21pin SCART RGB input A V input TV out Video input S Video input Audio L R input OUTPUT Audio L R Phone jack Dimensions 14VL43P Width 358mm Height 416 5mm Depth 177mm 20VL43P Width 493mm Height 523mm Depth 198mm Mass 14VL43P 9 1lbs 4 15kg 20VL43P 13 9lbs 6 3kg Accessories Remote control with two ...

Страница 26: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

Страница 27: ...are 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless other...

Страница 28: ...MAIN 14VL43P 20VL43P MAIN PD1268 ...

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Страница 32: ...MAIN PD1268 ...

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Страница 36: ...MAIN 14VL43P 20VL43P ...

Страница 37: ...ALL CONTROL 14VL43P 20VL43P LED PD1268 CONTROL PD1268 CONTROL PD1268 20VL43P 14VL43P ...

Страница 38: ...LED PD1268 ...

Страница 39: ...ALL CONTROL 14VL43P 20VL43P CONTROL PD1268 CONTROL PD1268 20VL43P 14VL43P ...

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