Read Sony CFM-20L Service Manual online
8
CFM-20L
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
done by the trimmer capacitors.
LW IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
455kHz
LW FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
145kHz
CT6
300kHz
LW TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
160kHz
CT5
260kHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
87.00MHz
CT1
108.30MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
87.00MHz
CT2
108.30MHz
Adjustment Location : MAIN board
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
10.7MHz
[MAIN BOARD]
(Conductor side)
(Conductor side)
CT3 : LW Frequency Coverage Adjustment
(Set to mechanical center)
(Set to mechanical center)
CT4 : LW Tracking Adjustment
(Set to mechanical center)
(Set to mechanical center)
CT2: FM Tracking Adjustment
CT1 : FM Frequency
Coverage Adjustment
Coverage Adjustment
[MAIN BOARD]
(Component side)
(Component side)
L5 : FM IF Adjustment
T1: LW IF Adjustment
L1: FM Tracking Adjustment
L3: LW Tracking Adjustment
L4 : LW Frequency
Coverage Adjustment
Coverage Adjustment
CT5 : LW Tracking Adjustment
CT6 : LW Frequency
Coverage Adjustment
Coverage Adjustment
L2: FM Frequency
Coverage Adjustment
Coverage Adjustment
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