Sharp LC-26SB25E Service Manual

LC-26SB25E/S/RU, LC-32SB25E/S/RU, LC-42SB55E/S/RU
46
<External input SCART1, SCART2>No picture on the display (4)
↓
Does not the picture of the CVBS signal input to SCART1 go out?
Does not the picture of the CVBS signal input to SCART2 go out?
TERMINAL UNIT: ↓
MAIN_UNIT:
↓YES
↓YES
<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
Is CVBS signal sent to pin (20) of SCART1 (CN500)?
NO
Check the setting of an external input device that connects o
f
CN500.
Refer to “The picture doesn't appear in all modes.”
NO
Check the setting of an external input device that connects o
f
CN501.
Is CVBS signal sent to pin (20) of SCART2 (CN501)?
Is CVBS signal sent to pin (AF25) of IC U400?
Is CVBS signal sent to pin (AF26) of IC U400?
NO
NO
Check the line between IC U400 and CN500.
Check the line between IC U400 and CN501.
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 o
f
CN500.
Refer to “The picture doesn't appear in all modes.”
Is RGB signal sent to pin (AE23)/R, (AE22)/G, (AD21)/B of IC
U400?
NO
Check the line between IC U400 and CN500.

Sharp LC-26SB25E Specifications

General

Brand	Sharp
Model	LC-26SB25E
Category	LCD TV
Language	English