Pioneer Elite M-10X Manual de servicio - Página 19

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1. Block Diagram and Schematic Diagram

6. ADJUSTMENT

6.1 IDLE CURRENT ADJUSTMENT

CAUTION : Heatsinks' (Q323–Q326) DC level is equal to +B or –B.

Don't touch them or you will be electricary chocked.

1. Connect the measuring instrument as Fig.6–1. (R415 or R416)

2. Set VR301 and VR302 to minimum.

3. Set the POWER switch to ON.

4. Adjust VR301 (VR302) so that the voltage between both sides of R415 (R416) becomes 16mV±1mV.

(Within 10 seconds from when the relay is turned ON)

5. Ages for 7 minutes.

6. Adjust VR301 (VR302) so that the voltage between both sides of R415 (R416) becomes 11mV±1mV.

DC Voltmeter

R415

R416

R413

R414

W150

W212

Heat Sink

VR301

R417

VR302

Heat Sink

Fig. 6–1 Adjustment Method

AF ASSY

SIDE A

Heat Sink

CN204

M-10X