SHARP LC-26GA3H
Service Manual

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Contains Circuit Diagrams
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PDF Format
Complete manual
Language: English

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Description of SHARP LC-26GA3H Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 43 (click to view)

No picture (3)

No TV picture appear.

Is TV selected on the input select menu screen? Audio Only is off.

NO Select TV on the input select menu screen. Make sure NO NO Is TV video outputted to pin (5) (TP1101) See if the level control signal is coming from IC1104

YES

Is TV video signal outputted to pin (17) of tuner? Check the tuner and its peripheral circuits.

YES

IC1103 (LEVEL ADJ.)? to pin (6) of IC1103.

YES
Check IC3801 and its peripheral circuits.

Is the TV video signal inputted to pin (63) of IC3801 NO (AV SWITCH)?

YES NO YES NO

Are main sub video signal outputted pins (56) (44) of IC3801, respectively? Check the lines from IC3801 up to IC401 and IC600.

Is the video signal inputted to (8) IC401 (MAIN L.P.F.) and pin (2) of IC600 (SUB L.P.F.)?

YES <Main system>

3D-YC<PALNTSC> 2D-YC<SECAM> <Sub system> (8) IC402 (12) IC502 Is the video signal inputted to pin (72) of IC601 3D-YC (MAIN (SUB 2D-YC & CHROMA)?

YES NO

IC402. IC502. Check the line between IC401 and IC601.

(124) (115) Is the digital video signal outputted from pins (31) (140) (159) IC402? (126) well as (133) (144) IC502? thru (50) of IC601?

TROUBLE SHOOTING TABLE (Continued)

43
YES
Replace main PWB, or check the lines from IC402, IC502 and IC601 up to IC3201.

YES NO

IC402 IC502 Check IC601 and its peripheral circuits.

Is digital video signal inputted to the following pins of IC3201 (LVDS_TRANSMITTER): (53), (54), (57) (60), (51), (52)(RE0-7); (63) (68), (61), (62)(GE0-7); (73) thru (78), (69), (70)(BE0-7); (81) (86), (79), (80)(RO0-7); (91) (96), (89), (90)(GO0-7); (99), (100), (1), (2), (5), (6), (97), (98)(BO0-7); (7) thru (10)(HSYNC, VSYNC, DE, CLKIN)?

Is digital video signal outputted to the following pins of IC3201: (49)(TA1-), (48)(TAl+), (47)(TB1-), (46)(TBl+), (44)(TC1-), (43)(TCl+), (41)(TCLK-), (42)(TCLK+), (40)(TD1-), (39)(TD1+), (37)(TA2-), (36)(TA2+), (35)(TB2-), (34)(TB2+), (32)(TC2-), (31)(TC2+), (30)(TCLK2-), (29)(TCLK2+), (28)(TD2-) and (27)(TD2+)?

YES
the LCD control PWB. Check IC320 (LVDS_TRANSMITTER) and its peripheral circuits.

LC-26GA3H/M/X

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LC-26GA3H SHARP
Circuit Diagrams

Set of circuit diagrams. The diagrams will be provided as PDF file. The file will be delivered after…

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