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AV Stereo
Select correct system
In menu
Check the connection
Of AV equipment
Check the the waveform
At pin16, 17 of IC11
Check TU101 Tuner
Check the waveform
At pin4, 5, of IC11
Check waveform
At pin 2, 4 of IC601
Check the voltage
At pin6 of IC601
Check the waveform
At pin 8, 9, 11, 12 of IC601
Check the voltage
Of pin2, 19, 20, 21,24 of IC11
Check the signal line of
SPK-L,R
Check pin 55 (mute)
of IC11
Check the vpltage
At pin7, 5 of IC601
Check /Replace
D828, D805, F806
OK
AV
OK
OK
OK
OK
OK
OK
NONO
NO
NO
NO
NO
OK
Check the connection of
side or Front AV Board
NO
Connect the Board
OK
Replace IC601
P603A