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C70
JC8
C66
C59
C67
C62
C54
L
8
L12
D10
L9
L10
D7
D5
D3
L7
JC3
L3
L4
D6
D11
L17
C2
C45
C55
C60
C65
C68
C73
R56
R85
C56
R53
R46
C47
C49
C53
C52
L16
X1
L15
R59
R55
R38
R35
R52
R43
R49
R50
R48
R45
C44
C39
C17
C21
R
1
R1
R9
R33
C35
R37
C32
R30
R25
R23
C18
R10 C16
R11
R5
R26
R7
R6
R4
C19
R47
C46
C36
R54
R63
R62
R60
R61
C51
R51
C50
L14
D9
JC18
JC7
R42
R34
C48
R17
C22
C20
R44
C40
R14
R15
C12
L6 L5
C10
C29
T2
C31
C8
C5
C7
R74
C28
C30
C9
C27
R24
C93
C90
C100
IC3
R75
C92
JW15
JW16
JW13
JW11
JW3
JW4
JW12
C91
D12
JC16
JC4
JC6
JC5
JC19
JC17
C26
R22
C25
C11
R8
C14
C13
C15
C38
C37
R36
C34
R29
C33
R28
R32
R31
C43
C42
Q20
R41
R40
R39
C89
TP
(D-D OUT)
TP(10.25)
TP
(GND)
TP
(LCH)
TP
(B/R)
TP
(BEEP)
R65
R83
R64
JC11
JW7
JW5
C74
CF4
C57
C41
C58
RV2
JW8
JW10
Q
6
Q23
Q24
Q19
Q5
Q17
Q4
Q3
Q8
Q7
Q11
Q12
Q15
Q9
Q13
Q29
Q28
Q10
Q14
Q36
Q35
D8
Q18
D4
B
E
C
B
E
C
B
E
C
B
E
C
B
E
C
B
1
1
2
5
6
9
10
15
17
16
18
4
8
5
E
C
B
E
C
G
D
S
B
E
B
B
B
E
E
C
C
B
E
C
B
B
E
C
G
1
15
1
5
10
16
20
25
30
3
2
C
S
D
D
S
G
G
D
S
CN1
B
E
C
B
E
B
E
B
C
C
C
B
E
C
L11
L13
CT1
BPF1
TP
(GND)
IC1
CF2
C64
TP
(VT)
T3
S
G
B
E
C
D
TP
(VCOL)
TP
(H/L)
TP
(VCOH)
MW/
L
TP
(POWER)
TP(RF GND)
TP
(AGC)
R
TP
(VT)
– main board (conductor side) –
FM VCO ADJUSTMENT
• Connecting Frequency counter
telescopic
antenna terminal
0.01µF
FM RF signal
generator
98MHz, non-modulation
Output level: 0.1v(100dB)
set
33 kΩ
frequency
counter
1µF/50V
IC1 pin
7
IC1 pin
4
FM VCO ADJUSTMENT
Reading on Frequency counter 76 kHz ± 200 Hz
Adjustment Part RV2
Adjustment Location:
TP
(VT)
IC1
IC3
IC2
1
1
17
2
18
4
8
4
1
8
5
1
8
1516
16
9
30
CN1
G
B
R
N
J1
S1
T1
T4
S2
RV2
L11 CT1
ANT1
FM/SW
TELESCOPIC
ANTENNA
ANT2
MW/LW
FERRITE-ROD
ANTENNA
(CONDUCTOR SIDE)
FM TRACKING ADJUSTMENT
AM IF ADJUSTMEN
T
FM VCO ADJUSTMENT
– main board (component side) –