Sharp LC-19SH7E/RU, Руководство по обслуживанию, Страница: 53 / 267

2008-03-14
LC-19SH7E/RU, LC-26SH7E/RU, LC-32SH7E/RU, LC-42SH7E/RU
53
<External input SCART1>No picture on the display (5)
↓
Does not the picture of the R/G/B video signal input to SCART1 go out?
TERMINAL UNIT:
↓
MAIN_UNIT:
↓ YES
↓ YES
<External input SCART1 >No picture on the display (6)
↓
Does not the picture of the Y/C signal input to SCART1 go out?
TERMINAL UNIT:
↓
MAIN_UNIT:
↓ YES
↓ YES
<External input AV3(Composite)>No picture on the display (7)
↓
Does not the picture of the composite video signal input to AV3(Composite) go out?
TERMINAL UNIT:
↓
MAIN_UNIT:
↓ YES
↓ YES
Is RGB signal sent to pin (15)/R, (11)/G, (7)/B, of SCART1
(CN500)?
NO
Check the setting of an external input device that connects of
CN500.
Refer to
“
The picture doesn't appear in all modes.
”
Is RGB signal sent to pin (AF24)/R, (AD24)/G, (AD23)/B of IC
U400?
NO
Check the line between IC U400 and CN500.
Is Y/C signal sent to pin (20) and (15) of SCART1 (CN500)?
NO
Refer to
“
The picture doesn't appear in all modes.
”
Is Y/C signal sent to pin (AE24)/Y, (AF25)/C of IC U400?
NO
Check the line between IC U400 and CN500.
Check the setting of an external input device that connects of
CN500.
Is CVBS signal sent to pin (2) of AV3 (CN650) ?
NO
Check the setting of an external input device that connects of
CN650.
Refer to
“
The picture doesn't appear in all modes.
”
Is CVBS signal sent to pin (AC24) of IC U400?
NO
Check the line between IC U400 and CN650.