13
YST-SW1500
YST-SW1500
●アイドリング調整
無負荷、無信号状態で電源投入後1 〜2 分間エージング
を行ってください。
テストポイント
調整箇所
規格(DC)
TP1 とTP2 の両端
VR1
30mV〜150mV
•Idling Adjustment
To stabilize operation of the amplifier, turn ON the power
with no input signal and wait for 1 or 2 minutes in non
loaded condition before the adjustment.
Adjust VR1 so that the voltage between terminals TP1 and
TP2 is DC 30mV to 150mV.
Q42
Q44
Q35
Q30
Q29
Q34
Q43
Q41
Q20
D38
D35
TP2
TP1
MAIN (1) P.C.B.
Point B
Point A
DC 30mV
to 150mV
Point B
DC 30 mV
to 150 mV
Point A