Sharp LC-32D44E Service Manual page 58

LC32D44E/S/RU-BK/GY (1st Eddition)
SCART2:
No picture from EXT1 appears on EXT2-connected monitor.
NOTE: Normally, if the screen during display is sent to EXT2, no picture is sent to EXT2.
Checklist:
1) Is the Signal Type (item) in MENU-Option-Input Select equal to Signal Type of an external device? ... Set it to "CVBS", "Y/C" or "RGB".
2) The picture is sent to the monitor in a CVBS signal if the source during display is TV, CVBS or Y/C of EXT1-3.
3) When the monitor picture is not sent and is not displayed on the monitor, refer to "No picture" for each terminal.
When sent by component, etc., that signal is not sent to the monitor.
4) The video output from EXT1 is not the monitor output (output of the picture now watching).
The picture of the last selected TV channel is always sent to EXT1. (Specification)
Is CVBS signal output into pin(19) of SC1101(SCART2)
from pin(2) of IC1101(SW)?
Is CVBS signal output into pin(194) of
IC3001(MAIN_MICON) from pin(6) of IC1101?
Is video signal (VIN2) from EXT1 sent to pin (190) of
IC3001 (MAIN_MICON)?
Is CVBS signal sent to pin (20) of SCART1(SC1102)?
Check the setting of an external input device that con-
nects of SC1102.
<During external connection> No picture on the monitor (3)
YES
NO
YES
NO
YES
NO
YES
NO
Check the setting of an external input device that connects of SC1101.
Check the line between IC1101 and SC1101.
Check power supply of IC3001 and peripheral circuits.
Check the line between SC1102 and IC3001.
(IC1502, SCART12_LINE, etc.)
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