Sharp LC-26SH7E/RU Service Manual page 49

The audio signal of UHF/VHF is not output from SCART1.
TEREMINAL UNIT:
Is audio signal output from IC U602 sent to pin (3)(SCT1_AUL-
OUT) and pin(1)(SCT1_AUR-OUT) of SCART1(CN500)?
Is audio signal output from IC U400 sent to pin (2)(LRCLK) and pin
(3)(DIN) and pin (4)(BCLK) and pin(13)(MCLK) of IC U602?
Check IC U400 and its peripheral circuits.
No audio signal output from LINE_AUDIO_OUTPUT terminal.
TEREMINAL UNIT:
Is audio signal output from IC U605 sent to pin(4)(AUL_OUT) and
pin (6)(AUR_OUT) of LINE_AUDIO_OUT connector(CN501)?
Is the audio signal output from IC U400 pin(K26) (AL2) and pin(J24)
(AR2) sent to pin(26)(INPUT1L) and pin(25)(INPUT1R) of IC U605?
Check IC U400 and its peripheral circuits.
The audio signal is not output (1)
↓
↓
↓NO
↓NO
The audio signal is not output (2)
↓
↓
↓NO
↓NO
2008-03-14
LC-19SH7E/RU, LC-26SH7E/RU, LC-32SH7E/RU, LC-42SH7E/RU
YES Check the connection to SCART1 and external devices.
YES
Check the line between IC U400 and IC U602.
YES
Check the connection to LINE_AUDIO_OUT and external
devices.
YES
Check the line between IC U400 and IC U605.
49