Sharp lc-32rd8 Service Manual page 47

No audio signal output from SCART2 terminal.
Is audio signal sent to pins (3/L-ch), (1/R-ch) of
SCART2(SC1101)?
Is S2-MUTE-LINE [pin(63) of IC2302(SUB_MICON)] at H?
Is audio signal sent to pins (22/L-ch), (21/R-ch) of
IC3001(MAIN_MICON)?
Check IC3001 and its peripheral circuits.
No audio signal output from AUDIO_OUTPUT terminal.
Is audio signal output to pins(2/L-ch), (4/R-ch) of
AUDIO_OUTPUT terminal J1304?
Is S-MUTE-LINE [pin(62) of IC2302(SUB_MICON)] at H?
Is audio signal sent to pins(22/L-ch), (21/R-ch) of
IC3001(MAIN_MICON)?
Check IC3001 and its peripheral circuits.
The audio signal is not output (2)
YES
NO
YES
NO
YES
NO
The audio signal is not output (3)
YES
NO
YES
NO
YES
NO
LC-32RD8E/S/RU-BK/GY (1st Edition)
Check the connection to SCART2 and external input devices.
Check the peripheral circuits of IC2302 and S2-MUTE_LINE.
(Q1102, etc.)
Check the line between SC1101 and IC3001.
(Q1108, Q1107, etc.)
Check the connection to J1304 and external input devices.
Check the peripheral circuits of IC2302 and S-MUTE_LINE.
(Q1303, etc.)
Check the line between J1304 and IC3001.
(Q1302, Q1301, etc.)
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