Onkyo TX-SR576 Repair Part 2

Описание к видео Onkyo TX-SR576 Repair Part 2

IDLING CURRENT ADJUSTMENT
1. Before idling adjustment, turn the trimming resistors fully to counter clockwise.This is needed so the idle current do not exceed the max value after parts replacement.
2. Connect the dc voltmeter to test points,
using two 100 ohm resistors between the poles of the jig terminal and the dc voltmeter terminals.
3. Connect the ac power cord to a wall outlet. And press ON/STANDBY button to turn the power on.
4. Adjust the trimming resistors as the following procedure immediately after power on.
Adjustment value (Set to)
Front/Center Channel - 2.5 mV
Sorround Channel - 1.5 mV
5. Wait for 4 - 6 minutes. (Heat running)
6. Re-adjust the trimming resistors as the following procedure.
Adjustment value (Set to)
Front/Center Channel - below 9 mV set to 9 mV
In case 9 - 11 mV - Leave it as it is (Specs 12 ±3 mV)
Sorround Channel - below 6 mV set to 6 mV
In case 6 - 8 mV - Leave it as it is (Specs 9 ±3 mV)
7. Disconnect the dc voltmeter.
8. Press ON/STANDBY button to turn the power off. And disconnect the ac power cord.

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