— 9 —
TUNER SECTION
FM SECTION
Setting:
FUNCTION switch : RADIO
BAND switch : FM
FM RF SSG
0.01µF
TP (ANT)
TP (GND)
Modulation : 400 Hz, 22.5 kHz dev. (30%)
Output level : as low as possible.
VTVM
(AC : 0.5–5V range)
16
set
REMOTE jack
FM IF ADJUSTMENT
Adjust for a maximum reading on VTVM.
L5 76.00 MHz
FM RF SSG
0.01µF
TP (ANT)
TP (GND)
Adjustment
Element
Frequency
Display
Frequency counter
Reading
RV1
78.00 MHz 19.00 kHz ± 0.05 kHz
VCO ADJUSTMENT
Carrier frequency : 78.00 MHz
Modulation : no-modulation
Output level : 55 dB (562 µV)
[TUNER BOARD]
TP
(VCO)
IC3
+
–
frequency
counter
150kΩ
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
To Next Page
Loading...
Need help?
General
