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Marantz DV9600 - Page 68

Marantz DV9600
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66
2.2 ヘッドホン音出ず。(ヘッドホンを接続し確認します)
NG
OK
コネクタ(J950, J951)8, 10pinの電圧確認
+8VA, -8VA
Main PWB (PM01), Audio PWB (PA01),
Power PWB (P801)の+8VA, -8VAラインの確認
NG
OK
コネクタ(J950, J951)の1pin電圧確認
HP接続時:L HP未接続時:H(3.3V)
J952交換
NG
OK
DAC(Q950) 6pinのMCLK確認
Main PWB (PM01)のMCLK回路確認
NG
OK
DAC(Q950) 3-5pinの波形確認
Main PWB (PM01)のAudio data出力回路確認
NG
OK
DAC(Q950) 14, 15, 19, 19pinの波形確認
Q950交換
NG
OK
コネクタ(J950, J951)の2pin電圧確認
PLAY時:L(-8V) STOP時:H(3V)
Audio PWB (PA01)のHP_MUTE回路確認
NG
QF52,QF53のBase電圧 0V
欠陥部品交換