AV STERRO / MONO MODEL
Select correct system
In m enu
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| OK |
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| Check the connection |
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AV |
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| Check the wavef orm | NO | ||||||
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| At pin16, 17 of IC11 |
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OK |
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| OK |
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| NO |
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Check the waveform |
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At pin4, 5 of IC11 |
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| OK |
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| NO |
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Check the waveform |
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At pin2, 4 of IC601 |
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Check TU101 Tuner
Check the voltage
Of pin2, 19, 20, 21, 24 of IC11
Check the signal line of
SPK- L, R
OK
Check the waveform At pin6 of IC601
NO
Check pin 55(m ute) of IC11
OK
Check the waveform
At pin8, 9, 11, 12 of IC601
NO
Check thevpltage At pin7, 5 of IC601
NO
Check/ Replace D828, D805, F806
OK
Check the connection of side or Front AV Board P603A
NO
Correct the Board
OK
Replace IC601
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