Amp Check; Confirmation Of Idling Current; Test Point - Yamaha RX-V3300 Service Manual

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RX-V3300/DSP-AZ2
I AMP CHECK

• Confirmation of Idling Current

1) No signal applied.
2) Non-loaded condition.
3) Aging is 10 minutes.
Item / チャンネル
MAIN L
MAIN R
CENTER
REAR CENTER
REAR L
REAR R
FRONT L
FRONT R

• Test Point

42
Test Point / テストポイント
Q64 Base – Emitter (MAIN [1] P.C.B.)
Q62 Base – Emitter (MAIN [1] P.C.B.)
Q10 Base – Emitter (MAIN [2] P.C.B.)
Q60 Base – Emitter (MAIN [1] P.C.B.)
Q58 Base – Emitter (MAIN [1] P.C.B.)
Q56 Base – Emitter (MAIN [1] P.C.B.)
Q6 Base – Emitter (MAIN [2] P.C.B.)
Q8 Base – Emitter (MAIN [2] P.C.B.)
100 – 300 mV
Q64
MAIN (L)
100 – 300 mV
Q62
MAIN (R)
MAIN [1] P.C.B.
100 – 300 mV
Q60
REAR (C)
100 – 300 mV
Q58
REAR (L)
100 – 300 mV
Q56
REAR (R)
● アイドリング電流の確認
無信号・無負荷状態で、電源投入10分後に行ってくださ
い。
Rating (DC) / 規格(DC)
● テストポイント
100 – 300 mV
Q10
CENTER
MAIN [2] P.C.B.
100 – 300 mV
Q6
FRONT (L)
100 – 300 mV
Q8
FRONT (R)
100m – 300mV

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