Sharp AQUOS LC-42D85X, Руководство по обслуживанию

Страница: 66 / 150

LC-42/46/52D85X
6 – 17
<During external connection> No picture on the monitor (3)
SCART2:
No picture from INPUT1, INPUT2 appears on MONITOR OUT-connected monitor.
Checklist:
1) The picture is sent to the monitor in a CVBS signal if the source during display is TV, CVBS or Y/C of INPUT1-3.
When sent by component, etc., that signal is not sent to the monitor.
2) When the monitor picture is not sent and is not displayed on the monitor, refer to “No picture” for each terminal.
SUB UNIT:
Is CVBS signal input from pin (51) of IC506 to pin (6) of J1701?
YES Check the setting of an external input device that connects of
J1701.
NO
Is CVBS signal sent to pin INT_V/(65) or IN2_V/(71) of IC506
(VIDEO_SELECTOR)? YES Check the IC506 and its peripheral circuits.
NO
Is CVBS signal sent to pin (8) of INPUT1 (J1704) or pin (8) of
INPUT2 (J1702)? YES Check the line between J1702/J1704 and IC506.
NO
Check the setting of an external input device that connects of
J1702/J1704.