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CD-BA1500H
SO301
ANTENNA
TERMINAL
8
FM FRONT END
AM LOOP ANT
CNP302
1
1
2
2
L341
BALUN
23 22 21 20
2
3
4
L-CH
TAPE 1
R-CH
PLAYBACK HEAD
SWITCHING
REC
P.B.
Q104~
L-CH
Q107
TAPE 2
R-CH
REC PLAYBACK
HEAD
AC BIAS
BIAS
ERASE
OSC
HEAD
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1
CF301
1
3
FE301
5
VCC
3
4
2
6
7
FM OSC
AM TRACKING
T303
T306
AM BAND
COVERAGE
+B2
FM
15 14 13
+B
ICT21
Q360
LC72720
SWITCHING
RDS DECORDER
12
CNS402
R
1
2
FROM
L
CD SECTION
3
CNP11
4
5
+B2
1
L(T1)
13
R(T1)
24
P.B
4
L
PB
2
L(T2)
21
R
R(T2)
23
5
L NF
3
22
20
R NF
H/N
POP
6
T1/T2
7
L REC
REDUCE
18
R
L REC
9
REC
16
L NF
R REC
8
17
R NF
REF
14
NOR/
12
10
ALC
HIGH
T1/T2
PLAYBACK AND RECORD
15
19
/PLAYBACK AMP.
SWITCHING
SWITCHING
Q108
Q103
Q109
Q101
Q102
SWITCHING
SWITCHING
Q114
Q112
L104
L103
Figure 22 BLOCK DIAGRAM (2/3)
Q301
1
CF302
3
1
3
AM IF
1
2
4
5
9 8
AM MIX
AM IF
GND
IC303
VCC
LA1832S
FM/AM
FM/AM IF MPX.
OUT
24
23
21
7
18
L354
LOW PASS
FILTER
X352
VT
4.5MHZ
20
14
22
15
16
11
4
3
OSC
IC302
LC72131
PLL(TUNER)
FM/AM
MO/ST
7
9 10
21
FM
SO401
VIDEO/AUX
9
L
L
AUX
R
16
R
10
L
TAPE
LC75341
15
R
AUDIO PROCESSOR
L
11
TUNER
R
14
12
L
CD
13
R
7
8
17
IC101
AN7345K
BIAS
Q113
– 22 –
+B2
+5.1V
CF351
X351
456KHz
17
13
FM
MO/ST
VCO
DET
14
L
R
15
FM/AM
MPXIN
12
16
@
5
6
VDD
17
+B2
23
1
DI
CE
2
IC401
CL
24
SYSTEM
MUTE
21
Q401
R
Q402
L
4
18
3
Q110
REC/PLAY
Q111
MUTING
T1/T2
BIAS
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