Read Sony STR-DA3100ES Service Manual online
12
STR-DA3100ES
SECTION 5
ELECTRICAL ADJUSTMENTS
BIAS ALIGNMENT ADJUSTMENT
Condition:
function:
function:
MULTI CH
input signal: no signal (no load)
volume:
volume:
0 dB
Note: Afer 10 minutes or more have passed since the power supply
was turned on, this adjustment is done.
Connection
Procedure:
1. Connect a digital voltmeter to the TP501 (TP551, TP601, TP651,
1. Connect a digital voltmeter to the TP501 (TP551, TP601, TP651,
TP652, TP701, TP751) on the AMP board.
2. Press the
I/1
button to turn on the main power.
3. Adjust the RV501 (RV551, RV601, RV651, RV652, RV701,
RV751) so that the digital voltmeter reading is 4.0
±
0.5 mV.
Adjustment and Connection Location:
+
–
–
digital voltmeter
TP501 (TP551, TP601, TP651, TP652, TP701, TP751) pin
1
TP501 (TP551, TP601, TP651, TP652, TP701, TP751) pin
2
RV501
TP501
1
2
RV701
TP701
1
2
RV651
TP651
1
2
RV601
TP601
1
2
RV751
TP751
1
2
RV652
TP652
1
2
RV551
TP551
1 2
– AMP Board (Component Side) –
Ver. 1.1
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