Read Sony TA-FE610R Service Manual online
— 4 —
SECTION 2
ELECTRICAL ADJUSTMENT
Bias Adjustment
1.
Rotate fully the bias adjusting semi-fixed resistors (RV301,
RV351) to the MIN position (counterclockwise).
RV351) to the MIN position (counterclockwise).
2.
Connect a digital voltmeter to the CN406 and CN407.
1 pin
3 pin
+
–
–
+
CN406
CN407
3.
Set the slide regulator to 0V, and press the POWER button
(ON) on the set.
(ON) on the set.
4.
Raise gradually the slide regulator voltage up to the rated
voltage (230 V).
voltage (230 V).
5.
At this time, confirm that the SP relay is turned on (it will
click).
click).
6.
Adjust the RV301 and RV351 so that a reading of digital
voltmeter is 10 mV to 15 mV.
voltmeter is 10 mV to 15 mV.
7.
Return the slidack to 0 V, and press the POWER button (OFF)
on the set.
on the set.
Adjustment Location :
[MAIN A BOARD] — COMPONENT SIDE —
C322
C372
RV351
RV301
BIAS
Adjustment
Adjustment
‘
‘
Test Point Location :
[MAIN B BOARD] — COMPONENT SIDE —
CN406
1
3
C409
C459
CN407
1
3
+
–
–
+
–
–
DIGITAL
VOLTMETER
VOLTMETER
DIGITAL
VOLTMETER
VOLTMETER
Click on the first or last page to see other TA-FE610R service manuals if exist.