Read Sony ICF-CD825RM Service Manual online
– 10 –
Connection:
Adjustment Location:
FM STEREO Adjustment
Procedure:
1. Connect the frequency counter to 4 and 7 pins of IC1 as
shown the figure right.
2. Tune the set to 98 MHz.
3. Adjust RV1 for 76 kHz
3. Adjust RV1 for 76 kHz
±
500 Hz reading on frequency counter.
FM RF SSG
Carrier frequency: 98 MHz
Modulation: no modulation
Output level: 0.032 V (90 dB)
Modulation: no modulation
Output level: 0.032 V (90 dB)
0.01
µ
F
FM lead wire antenna terminal
’
‘
IC1 Pin
4
+
–
–
frequency counter
33 k
Ω
IC1 Pin
7
MAIN board
T1
AM IF Adjustment
AM IF Adjustment
RV1
FM Stereo Adjustment (76 kHz)
FM Stereo Adjustment (76 kHz)
L2
CT1
FM Tracking
Adjustment
Adjustment
CT3
L1
AM Tracking
Adjustment
Adjustment
L4
CT4
AM Frequency Coverage
Adjustment
Adjustment
L3
FM Frequency Coverage
Adjustment
Adjustment
[MAIN Board] (Component Side)
CT2
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