Sharp LC-32DH65E Service Manual page 51

Does not the picture of the DVI (ANALOG) video signal input to EXT4 (15pin-D-SUB terminal) go out?
Are the video signal and the synchronized signal input from pin
(1, 2, 3)/(R, G, B), (14 and 13)/(V, H) of EXT4 (SC1504)?
Are the video signal and the synchronized signal input from pins
(R1, T4, N3)/(R, G, B), pins (AF2, AE2)/(H, V) of IC8101 (DIGI-
TAL AV DECODER & MAIN CPU & VIDEO PROCESSER)?
Refer to "The picture doesn't appear in all modes."
Does not the picture of the CVBS signal input to EXT8 go out?
Is a CVBS signal input to pin (6) of EXT8 (J505)?
Is CVBS signal from EXT8 (J505) sent to pin (12) of IC503
(AV_SW.)?
Is CVBS signal output from pin (71) of IC503?
Is CVBS signal sent to pin (V4) of IC8101 (DIGITAL AV
DECODER & MAIN CPU & VIDEO PROCESSER) from pin (71)
of IC503?
Refer to "The picture doesn't appear in all modes."
[External input EXT4] No picture on the display (9)
YES
YES
[External input EXT8] No picture on the display (10)
YES
YES
YES
YES
NO Check the connection and setup with the external DVI devices.
NO Check the line between SC1504 and IC8101.
NO Check the setting of an external input device that connects with
EXT8.
NO Check the line between J505 and IC503.
NO Is V3_PLUG detection signal to pin (13) of IC503 input from pin
(7) of EXT8 (J505)?
Check the IC503 and their peripheral circuits.
NO Check the line between IC503 and IC8101.
4 – 12
LC-32DH65E/S, LC-37DH65E/S
NO