4 Troubleshooting
4-13
Does the signal appear at
Pin #10, #12, #13, #9 (I2S_CLK,
I2S_SCLK, I2S_LRCLK,
I2S_DATA) of IC1202?
Check a connection harness and
headphone jack./Side AV
Check Sound Processor
IC1202 (SGTV5810)
Yes
Yes
No
Check the DC 12V
of IC1203?
Check a B12V Line.
Change a main PCB ass'y.
Yes
No
Does the signal appear at
Pin #47 or 48, #53 or
54(CH1_L, R Sound) And Pin
#36 or 37, #30 or 31
(CH2_L, R Sound)
of IC1203?
Change a main PCB ass'y.
Yes
Replace the speaker ass'y?
No
4-2-7 No Sound
6
7
Connect a sound cable.
control a volume.
Picture is display, no sound.
No
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