LC-32D47U/LC-32SB27U/LC-C3237U
6 – 11
No audio signal at Digital Audio Output terminal (Analog sound heard)
No INPUT-5/6/7 (HDMI) audio.
No audio at digital broadcast signal reception.
If no video appears, refer to “No external input video (HDMI)
[INPUT-5/6/7]”.
If no video appears, refer to “No video at digital broadcast signal reception”.
Is there the SPDIF signal output (OPT_OUT) at pin (J3) of IC8001 (CPU)?
NO
Check the IC8001 and its peripheral circuits.
YES
Is there the SPDIF signal (OPT_OUT) input at pin (2) of IC1304 (SPDIF-BUFF &
MUTE)?
NO
Check the line between IC8001 and IC1304.
YES
Is there the MUTE signal input at pin (1) of IC1304? (usual: High, Mute: Low)
NO
Check the MUTE_A_ALL and AC_DET signals,
and their peripheral circuits (Q1304, D1310,
etc).
YES
Is there the SPDIF signal input at pin (1) of D1306 (OPTICAL OUTPUT)?
NO
Check D1306 and its peripheral circuits.
No optical output under the following conditions
as per HDMI requirements.
* Audio contents protected.
* Audio frequency beyond 48kHz.
* Audio bit length beyond 16bits.
YES
Check the speakers and the optical cable.
Summary of Contents for AQUOS LC-C3237U
Page 26: ...LC 32D47U LC 32SB27U LC C3237U 5 5 8 click means COMPLETE 9 Click OK ...
Page 30: ...LC 32D47U LC 32SB27U LC C3237U 5 9 ...
Page 66: ...LC 32D47U LC 32SB27U LC C3237U 7 2 M E M O ...
Page 106: ...LC 32D47U LC 32SB27U LC C3237U 10 32 M E M O ...
Page 124: ...LC 32D47U LC 32SB27U LC C3237U 18 8 SUPPLIED ACCESSORIES X4 X5 X6 X7 X12 X2 X1 X8 X9 X10 X3 ...
