Sharp LC-26SH7E/RU Service Manual page 55

↓
Does not the picture of the component video signal input to Component go out?
↓
TERMINAL_UNIT:
Is Component Y/Pb/Pr signal sent to pin (2)/Y, (4)/Pb, (6)/Pr of
AV1(CN552) ?
↓YES
MAIN_UNIT:
Is Component Y/Pb/Pr signal sent to pin (AE21)/Y, (AD22)/Pb,
(AF22)/Pr of IC U400?
↓YES
Refer to "The picture doesn't appear in all modes."
No picture appears on SCART1 - connected monitor during the tuner (U/V) reception.
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", "RGB", "AUTO".
2) Is ANT-CABLE disconnected or connected improperly? ...Connect it correctly as per the operation manual.
3) The picture is sent to the monitor in a CVBS signal if the source during display is ATV/DTV, CVBS or Y/C of SCART1, AV3.
When sent by component, etc., that signal is not sent to the monitor.
4) When the monitor picture is not sent and is not displayed on the monitor, refer to "No picture" for each terminal.
5) The video output from SCART1 is not the monitor output (output of the picture now watching).
The picture of the last selected TV channel is always sent to SCART1. (Specification)
↓
TERMINAL_UNIT:
Is CVBS signal output into pin (19) of CN500 (SCART1)?
↓NO
Is TUNER_CVBS signal output into pin (21) of CN500 (SCART1)?
↓NO
Refer to "The picture doesn't appear in all modes."
<External input AV1(Component)>No picture on the display (10)
< During external connection > No picture on the monitor (1)
↓
↓
2008-03-14
LC-19SH7E/RU, LC-26SH7E/RU, LC-32SH7E/RU, LC-42SH7E/RU
NO
Check the setting of an external input device that connects of
CN552.
NO
Check the line between IC U400 and CN552.
YES
Check the setting of an external input device that connects of
CN500.
YES
Check the line between CN500 and TU200.
55