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TROUBLESHOOTING
c. AV2 E-E
No sound in AV2 E-E mode.
YES
Is 12V obtained at IC251 pin#34? NO YES Check POWER circuit.
Is 5V obtained at IC251 pin#40?
NO Is Audio signal at IC251 pin#8, 9? Check Input AV2 JACK
YES Is Audio signal output at IC251 pin#19, 20? YES Is Audio signal output at IC601 pin NO #3, 13? Comparing with switching table, are SWA, B CTL SIGNAL right at IC601 pin #9,10? YES Replace IC601. Check Output JACK. NO Check IC501. NO Are CLK and DATA obtained at IC251 pin#42,43? YES Replace IC251.
YES
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Parse Time: 0.226 - Number of Queries: 117 - Query Time: 0.038
