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CD-BK300W
FM
ANTENNA
CNP301
AM
CNP301
1
2
ICK1
M65856SP
MIC AMP.
JK1
MIC
LATCH
CLK
DATA
MIC IN
LOUT
9
ROUT
12
L IN
R IN
13
VRK1
VCC
MIC
+B5
VOLUME
QK1
CNS11
1
FROM CD SECTION
2
CNP7
3
L-CH
TAPE 1
R-CH
P.B. HEAD
REC
P.B.
L-CH
TAPE 2
R-CH
REC. P.B. HEAD
AC BIAS
ERASE
HEAD
IC301
TA7358AP
BF301
1
FM FRONT END
B.P.F
3 4
5
7
2
FM
L312
RF
OSC BUFF
AM TRACKING
AM BAND
T303
T306
COVERAGE
40
41
42
36
35
8
31
5
32
6
L
23
7
1
R
2
3
ICK2
KIA4558P
OPE AMP.
IC101
PLAYBACK AND
RECORD/
PLAYBACK AMP.
L(T1)
1
R(T1)
24
P.B
2
L(T2)
SWITCHING
R(T2)
23
Q103-
Q106
L NF
3
R NF
22
POP REDUCE
6
T1/T2
L REC
9
REC
16
R REC
REF
14
NOR/
12
HIGH
T1/T2
15
SWITCHING
SWITCHING
Q107
Q111
Q108
Q109
SWITCHING
BIAS Q128
L104
OSC
Figure 18 BLOCK DIAGRAM (2/3)
FM IF
6
CF303
T302
9
8
1
IC303
AM MIX
LA1832S
T301
FM IFDET.
FM
FM MPX./
OSC
AM IF MPX.
23
Q302
X352
VT
4.5MHZ
20
1
22 15 16
OSC
+B4
+B
7
FM
FM
Q360
SWITCHING
JK601
VIDEO IN
L
AUX
R
+B4
13
4
L
PB
R
21
5
20
H/N
7
L
REC
R
18
L NF
8
17
R NF
ALC
10
19
Q110
BIAS
SWITCHING
Q124
Q126
L103
– 18 –
10.7MHz
CF351
X351
450kHz
456kHz
T351
CF352
AM IF
2
4
5
9
8
17 13
AM IF
GND
FM+B
FM
VCO
MO/ST
DET
L
R
FM/AM
OUT
MPXIN
FM/AM
21
7
18
16
12
11
3
4
5
6
IC302
LC72131
17
PLL(TUNER)
FM/AM
MO/ST
9
10
21
+B4
23
9
L
R
16
L
10
TAPE
IC601
15
R
LC75341
L
11
TUNER
AUDIO PROCESSOR
R
14
L
12
CD
13
R
7 18 8 17
3
MIC
L
R
Q121
Q122
MUTING
+B4
14
15
DI
1
CE
2
–20dB
CLK
24
ATT
Q603
Q605
R
21
Q604
Q606
L
4
SYSTEM
MUTE
REC/PLAY
+B4
8
IC702
1
28
4
IC703
IC701(
IX0427
7
–B2
29
KIA4558P
OPE AMP.
T1/T2
BIAS
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