Read Sony SRF-H5 Service Manual online
– 9 –
– 10 –
FM 2nd OSC Adjustment
Procedure :
1. Turn the set to optional frequenc
1. Turn the set to optional frequenc
y.
2. Connect an electrolytic capacitor (10
µ
F/16V) between pin
!¡
of IC1 and ground.
3. Connect the frequency counter to
@¢ pin and GND of IC1 as
sho wn the figure belo
w.
4. Adjust L4 f or 56.5 – 57.0MHz reading on the frequenc
y counter .
FM VCO Adjustment
Procedure :
1. Connect an electrolytic capacitor (10
µ
F/16V) between pin
!¡
of IC1 and ground.
2. Connect the frequency counter to
!ª pin and GND of IC1 as
sho wn the figure belo
w.
3. Turn the set to 98MHz.
4. Adjust L6 f or 37.95 – 38.05kHz reading on the frequenc
4. Adjust L6 f or 37.95 – 38.05kHz reading on the frequenc
y counter .
FM RF signal
generator
generator
Carrier frequency : 98MHz
Modulation
Modulation
: no modulation
Output level
: 1mV (60dB)
FM
WIRE ANTENNA
input
WIRE ANTENNA
input
set
0.01
µ
F
Adjustment Location :
MAIN board (See page 10)
Adjustment Location :
MAIN board (See page 10)
frequency counter
FM
wire antenna
input
1
µ
F
frequency counter
1
µ
F
FM
wire antenna
input
10
µ
F/16V
10
µ
F/16V
CT1-1 : FM Frequency Coverage Adjustment
CT1-3 : AM Frequency Coverage Adjustment
CT1-4 : AM Tracking Adjustment
CT1-2 : FM Tracking Adjustment
L7 : AM Tracking Adjustment
[MAIN BOARD] (SIDE A)
L8 : FM Frequency Coverage Adjustment
L5 : AM Frequency Coverage Adjustment
L4 : FM 2nd OSC Adjustment
L6 : FM VCO Adjustment
L3 : FM Tracking Adjustment
[MAIN BOARD] (SIDE B)
Adjustment Location :
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