12
1
2
3
4
1
2
3
4
F
E
D
C
B
A
KEH-P2030/XM/UC
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
CASSETTE MECHANISM
1
2
Q150
LPF
PLL
CF3
CF2
IC 1
1st IF 10.7MHz
2nd IF 450kHz
13
14
17 16 15
6
9
18 10
12
7
5
8
11
2
1 3
4
VC4
X1
10.26M
Q2
X2
CF1
D1
L2
CF4
AM ANT IN
GND
AM Lo/Dx
FM ANT IN
FM/AM Vt
FM Lo/Dx
FM VCC
FM/AM VSM
GND
FM/AM VCC
N.C
N.C
VC3
AM IFT2
AM IFT3
L5
VC1
L8
L9
L6
L7
VC2
Q3
VR2
GND
TP1
T1 FM DET
AM RF
Q1
AM OSC
FM RF
FM OSC
1
2
4
5
7
10
46
45
35
36
37
32
31
30
29
28
27
26
24
23
20
19
49
51
52
53
54
56
57
59
60
62
63
64
58
55
15
16
34
Q102
COM9V
Q151
E
C
B.U5V
IC150
LC72135M
8
7
6
5
2
1
1
3
8
9
16
1
20
14
13
15
7
7
6
2
CN100
ANT.
1
5
TUNER AMP UNIT
TUNER UNIT
A
C
SWITCH PCB
M1
MOTOR ASSY
M
S1
TAPE/TUN
S2
MUTE
HD1
HEAD
1
3
LCH
MOTOR+
CN250
CN200
Q250
Q251
B.U14V
IC200
BA4560F
EQ-AMP
7
5
OSC/MIX/IF AMP/AGC
DET/SNC/MRC/MPX
FM/AM
OSC BUFF
FM/AM S.D OUT
FM ST IDN./MONO
FM/AM IF
COUNT OUT
L OUT
(AM AF)
R OUT
(AM AF)
FM/AM
IFT1
29
76
30
36
53
46
COM9V
D2
LCH
Содержание KEH-P2035
Страница 5: ...5 5 6 7 8 F E D C B A 5 6 7 8 KEH P2030 XM UC ...
Страница 8: ...8 1 2 3 4 1 2 3 4 F E D C B A KEH P2030 XM UC 2 2 EXTERIOR ...
Страница 10: ...10 1 2 3 4 1 2 3 4 F E D C B A KEH P2030 XM UC 2 3 CASSETTE MECHANISM ...
Страница 19: ...19 5 6 7 8 F E D C B A 5 6 7 8 KEH P2030 XM UC ...
Страница 36: ...36 1 2 3 4 1 2 3 4 F E D C B A KEH P2030 XM UC PD6340A ...
Страница 41: ...41 5 6 7 8 F E D C B A 5 6 7 8 KEH P2030 XM UC 8 OPERATIONS ...
Страница 42: ...42 1 2 3 4 1 2 3 4 F E D C B A KEH P2030 XM UC ...