Sony CFS-B7SMK2 Service Manual page 10

QQ
3 7 63 1515 0
• FM VCO Adjustment
Setting:
FM RF SSG
0.001 µ F
Carrier frequency : 98MHz
Modulation: no modulation
Output level: 0.1 V (100 dB)
Procedure:
1. Connect a frequency counter as shown below.
2. Tune the FM tuner to 98 MHz.
3. Adjust RV1 so that the frequency counter reading is 76 kHz.
Specification : 75,950 Hz to 76,050 Hz
Adjustment Location:
–TUNER board (conductor side)–
15
IC1
7
4
1
TE
L 13942296513
33 k Ω
0.01 µ F
Adjustment Location:
–TUNER board (component side)–
FM VCO
FM IF
Adjustment
Adjustment
T1
T2
AM IF
Adjustment www
FM
CT1
TRACKING
L1
Adjustment
.
L3
MW
TRACKING
Adjustment
http://www.xiaoyu163.com
telescopic antenna
input
set
frequency counter
FM MW
FREQUENCY FREQUENCY
COVERAGE COVERAGE
Adjustment Adjustment
L2 CT2 CT4 L8
RV1
x ao
y
i
L7
SW2
TRACKING
Adjustment
http://www.xiaoyu163.com
8
Q Q
3 6 7 1 3
SW2
CT8
FREQUENCY
COVERAGE
L4
Adjustment
SW1
CT6
FREQUENCY
COVERAGE
L6
Adjustment
CT3
MW
TRACKING
Adjustment
TELESCOPIC
ANTENNA INPUT
u163
L5
SW1
.
TRACKING
Adjustment
— 10 —
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9