Sharp LC-32DH65E Service Manual page 46

LC-32DH65E/S, LC-37DH65E/S
The picture doesn't appear in all modes.
Is the LVDS signal output from IC8101 (DIGITAL_AV_DECODER_&_MAIN_CPU_&_VIDEO PROCESSER) respectively?
TA1_P/M (AC25/AC26), TB1_P/M (AD25/AD26), TC1_P/M (AE25/AE26), TD1_P/M (AE24/AF24), TE1_P/M (AE23/AF23), TCLK1_P/M (AF25/
AF26), TA2_P/M (AE22/AF22), TB2_P/M (AE21/AF21), TC2_P/M (AE20/AF20), TD2_P/M (AE18/AF18), TE2_P/M (AE17/AF17), TCLK2_P/M
(AE19/AF19)
Is the above-mentioned LVDS signal output to connector
SC2601?
Similarly, is LCD controller's control signal normal?
PANEL_UNIT:
Is the LVDS signal input to connector LW of the panel module?
Check the panel module.
Does not the picture come out when VHF/UHF is received?
Is the video signal (TUNER_CVBS) output from pin (6) of
TUNER (TU7501)?
Is the video signal (TUNER_CVBS) sent to pins (24) of IC503
(AV_SW.)?
Refer to "The picture doesn't appear in all modes."
No picture on the display (1)
YES
YES
YES
YES
No picture on the display (2)
YES
YES
Check IC8101 and its peripheral control circuits.
(IC2003, IC9101, IC8301, IC8302, X8102, etc.)
NO Check the line between IC8101 and SC2601.
NO Please check each control signal of L/R, U/D, HV_MODE,
ROMSEL_0/1, TEMP3/2/1, OS_EN, SHIP_EN, and PE.
NO Wire harness (LW) is checked.
NO Check whether I2C signal normally communicates between
TU7501 and IC7508 (COFDM - DEMOD.)
NO Check the line between TU7501 and IC503.
(IC7503, etc.)"
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NO