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CD-BK1600V/1800V/190V
FM ANTENNA
SO302
2
1
BF301
AM LOOP
ANTENNA
CNP302
1
1
T303
2
2
CNS402
1
FROM CD
2
SECTION
3
CNP11
4
5
PB HEAD
L-CH
R-CH
TAPE 1
SWITCHING
REC
P.B.
REC PB HEAD
Q104~
L-CH
Q107
TAPE 2
R-CH
AC BIAS
Q108
Q109
BIAS
ERASE
OSC
HEAD
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IC301
6
T302
1
TA7358AP
FM FRONT END
9
4
5
3
7
8
FM
L312
T301
RF
FM OSC
Q302
AM
AM BAND
T306
TRACKING
COVERAGE
VT
SWITCHING
FM +B
Q360
CNP403
+B2
1
FROM KARAOKE
2
SECTION
CNSK1
3
R
L
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
+B2
1
13
L(T1)
24
R(T1)
P.B
4
L
PB
2
L(T2)
21
R
R(T2)
23
3
5
L NF
22
20
R NF
H/N
POP
6
T1/T2
7
L
REC
REDUCE
18
R
L REC
9
REC
16
R REC
8
L NF
17
R NF
14
REF
10
12
ALC
NOR/
HIGH
T1/T2
15
19
SWITCHING
SWITCHING
Q103
Q101
Q102
SWITCHING
SWITCHING
Q114
Q112
L104
Figure 18 BLOCK DIAGRAM (3/4)
1
3
CF303
1
3
1
2
4
5
AM MIX
AM IF
FM+B
GND
IC303
LA1832S
FM IF DET./
FM/AM
FM MPX./AM IF
OUT
23
21 24
18
7
X352
4.5MHZ
22
4
20
1
16
15
11
3
OSC
IC302
LC72131
PLL(TUNER)
MO/ST
FM/AM
9 10
21
7
FM
SO401
7
8
VIDEO/AUX
R
9
L
L
L
AUX
R
16
R
10
L
TAPE
15
R
11
AUDIO PROCESSOR
L
TUNER
14
R
12
L
CD
R
13
7
8
17
BIAS
Q113
– 18 –
+B2
X351
CF351
9 8
1 7
13
FM
MO/ST
VCO
DET
14
L
R
15
MPXIN
FM/AM
16
12
5
6
17
VDD
+B2
23
1
DI
2
CE
SYSTEM
24
CL
MUTE
IC401
21
Q401
LC75341
R
Q402
4
L
18
3
MUTING
REC/PLAY
Q110
Q111
T1/T2
BAIS
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