Yamaha DSP-AZ2 - Amplifier Check Procedures; Idling Current Confirmation Method; Test Points for Amplifier Check

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RX-V3300/DSP-AZ2
RX-V3300/DSP-AZ2
■ AMP CHECK
• Confirmation of Idling Current
1) No signal applied.
2) Non-loaded condition.
3) Aging is 10 minutes.
●アイドリング電流の確認


Item/チャンネル TestPoint/テストポイント Rating(DC)/規格(DC)
MAIN L Q64 Base – Emitter (MAIN [1] P.C.B.)
MAIN R Q62 Base – Emitter (MAIN [1] P.C.B.)
CENTER Q10 Base – Emitter (MAIN [2] P.C.B.)
REAR CENTER Q60 Base – Emitter (MAIN [1] P.C.B.) 100m – 300mV
REAR L Q58 Base – Emitter (MAIN [1] P.C.B.)
REAR R Q56 Base – Emitter (MAIN [1] P.C.B.)
FRONT L Q6 Base – Emitter (MAIN [2] P.C.B.)
FRONT R Q8 Base – Emitter (MAIN [2] P.C.B.)
• Test Point
●テストポイント
MAIN [1] P.C.B. MAIN [2] P.C.B.
Q56
100 – 300 mV
REAR (R)
Q58
100 – 300 mV
REAR (L)
Q60
100 – 300 mV
REAR (C)
Q62
100 – 300 mV
MAIN (R)
Q64
100 – 300 mV
MAIN (L)
Q10
Q8
100 – 300 mV
CENTER
100 – 300 mV
FRONT (R)
Q6
100 – 300 mV
FRONT (L)