Read Sony CFS-B15 (serv.man2) Service Manual online
SECTION 5
DIAGRAMS
5-1.
PRINTED WIRING BOARD – TUNER SECTION –
Note:
•
:parts extracted from the component side.
•
:indicates side identified with part number.
Adjustment Location : TUNER BOARD (COMPONENT SIDE)
VCO Adjustment
Procedure :
Procedure :
1.
Connect frequency counter as shown below.
2.
Tune the set to 98MHz.
3.
Adjust RV1 for 76kHz
±50Hz reading on the frequency counter.
ANT2
AM TRACKING
ADJ
AM TRACKING
ADJ
T1
AM FREQUENCY
COVERAGE
ADJ
AM FREQUENCY
COVERAGE
ADJ
CV1
CT1-4
CT1-1
CT1-2
CT1-3
L1/L3
FM TRACKING
ADJ
FM TRACKING
ADJ
L2
FM FREQUENCY
COVERAGE ADJ
FM FREQUENCY
COVERAGE ADJ
T2
AM IF ADJ
AM IF ADJ
IC1
T3
FM IF ADJ
FM IF ADJ
RV1
VCO ADJ
CT1-2
FM TRACKING
ADJ
FM TRACKING
ADJ
CT1-3
FM FREQUENCY
COVERAGE
ADJ
FM FREQUENCY
COVERAGE
ADJ
CT1-1
AM TRACKING ADJ
AM TRACKING ADJ
CT1-4
AM FREQUENCY
COVERAGE
ADJ
AM FREQUENCY
COVERAGE
ADJ
Adjustment Location :
[TUNER BOARD] (conductor side)
[TUNER BOARD] (conductor side)
– 7 –
– 8 –
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