Denon PMA-2000IVR User Manual download pdf (Page 5)

PMA-2000

IDLING CURRENT



 Setup

1. Lay the unit at an ordinary position away from a direct current from an air condition or fan. Do the adjustment at a

temperature between 15°C (59°F) and 30°C (86°F).

2. Set control as follows.

POWER SWITCH

OFF ( ).

VOLUME CONTROL Fully counterclockwise in the minimum position ( ).

(Main Volume and Semifixed resistors [VR501, 502])

SPEAKER Terminals

Open: do not connect the speakers, dummy load etc.

 Adjustment

1. Remove top cover. And then connect DC Voltmeter to test points of 1U-3432-1 (Lch) and 1U-3432-2 (Rch) Power Amp

Printing Wiring Board.

2. Connect power cord to AC wall outlet, and turn POWER switch "ON" (

). Within 10 seconds turn VR501 (Lch) and

VR502 (Rch) clockwise so that the DC Voltmeter reads 12 ±0.5mV.

3. Then after 2 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12 ±0.5mV.

4. And after 10 minutes warmup adjust VR501 and VR502 so that the DC Voltmeter reads 12 ±0.5mV.

METHOD OF ADJUSTMENTS

DC Voltmeter

Main Volume

1U-3432-2

Power Amp P.W.B. (R)

VR502

1U-3432-1

Power Amp P.W.B. (L)

VR501

Power

Trans

Power

Trans

1 2 3 4 5 6 7 8 9 10 ... 34 35

No comments

Denon PMA-2000IVR User Manual Page 5