Pioneer A-550R-S Service Manual - Page 22

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A-550R.

A-450R

5. ADJUSTMENTS

IDLE CURRENT ADJUSTMENT

1. Connect measuring instrument as Fig. 5— 1.

2. Set the VOLUME

CONTROL to minimum.

3. Set the POWER switch to ON.

4. Adjust VR201

(VR202) so that the voltage between TP1 (TP3) and TP2 (TP4) becomes

20mV+ 3mV.

NOTE)

After turning on the power, wait at least 5 minutes before

adjustment.

Voltmeter | | Voltmeter

AF COMPLEX

assembly

Fig. 5—1

Adjustment Method