Read Sharp TU-X1E (serv.man7) Service Manual online
TU-X1E/RU
6 – 18
[FRONT-UNIT]
[TERMINAL-UNIT]
<When EXT8 is used for external input>
No picture on the display (8)
Checklist:
1) Is "INPUT SOURCE" button
on the remote control set up correctly ?
䊶䊶䊶 set it as "EXT8" with the INPUT SOURCE button on the remote control.
2) Connect the commercial RCA-Cable to the RCA terminal of an external device.
䊶䊶䊶See the operation manual.
YES
Is "EXT8" selected with
button on
the remote control ?
Select "EXT8" with
button on the
remote control.
YES
NO
Check EXT8-Terminal(J102) and connection
with external equipment.
with external equipment.
NO
YES
NO
Is Composite video signal (V3_V) sent
to pins (6) of EXT8-Terminal (J102) ?
to pins (6) of EXT8-Terminal (J102) ?
Check VD-harness,VD Connector
(P101,P501) and peripheral circuits.
(P101,P501) and peripheral circuits.
Is Composite video signal (V3_V) sent
to pins (12) of IC503 (A/V-SW) ?
to pins (12) of IC503 (A/V-SW) ?
YES
BLOCK-A
