4 Troubleshooting
4-13
Does the signal appear at
Pin #10, #16(CH1_L, R Sound)
and Pin #3, #9
(CH2_L, R Sound)
of IC603?
Check a connection harness and
headphone jack / Side AV.
Yes
Yes
No
Check the DC 12V
of IC603?
Check a IC603.
Change a main PCB ass'y.
Yes
No
Does the signal appear at
L609_OP, L611_OP,
L612_OP, L614_OP?
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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