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CD-C661H/HR
SO301
ANTENNA
TERMINAL
FE301
8
FM FRONT END
2
6
7
AM LOOP ANT
L341
BALUN
AM RF
AM ANT
T302
FROM CD SECTION
CNP11
L-CH
TAPE 1
R-CH
PB HEAD
P.B
L-CH
TAPE 2
R-CH
REC PB HEAD
AC BIAS
ERASE
HEAD
FM IF
AMP
FM IF
1
CF301
Q301
5
3
4
VR351
FM MUTE LEVEL
FMOSC
AM OSC
T306
+B4
Q360
FM
VOLTAGE
REGULATOR
23 22 21 20
ICT21
LC72720
RDS DECORDER
2
3
4
CNS11
1
2
3
PLAYBACK AND RECORD
L(T1)
R(T1)
L(T2)
R(T2)
REC
SWITCHING
L NF
R NF
Q103~Q106
POP REDUCE
L REC
R REC
REF
SWITCHING
Q107
Q108
Q109
BIAS
OCS
Q128
L104
Figure 18 BLOCK DIAGRAM (2/3)
+B4
FM IF
CF302
AM IF
T351
FM IF IN
1
2
3
4
5
OUT
REG
IN
GND
IC303
LA1832
FM/AM IF MPX.
AM OSC
23
21
7
6
24
22
13
X352
4.5MHz
1
20
22
15
16
11
10
13
IC302
OSC
LC72131
7
PLL (TUNER)
3
4
6
5
Q371
15 14 13
12
IC101
AN7345K
Q113
Q114
/PLAYBACK AMP.
1
13
+B4
24
P.B.
4
PB
L
2
21
R
23
3
5
4
20
6
T1/T2
H/N
7
L
REC
REC
18
R
9
16
L NF
8
17
R NF
14
ALC
10
12
NOR/
T1/T2
HIGH
15
19
SWITCHING
Q111
Q110
SWITCHING
SWITCHING
– 18 –
+B4
SM
AMP.
QT21
8
9
17
19
20
18
16
FM/AM
MPX
VCC
OUT
IN
IF
OUT
14
10
11
12
15
L
R
MUTING
Q361
MPX
Q353
MPX
VCO
Q354
PHASE
CUT
TUNER MUTE
VOLTAGE
REGURATER
+B4
+5V
12
17
21
JK601
VIDEO/AUX
11
L
AUX
5
L
R
R
16
TAPE
4
L
R
17
M62439SP
TUNER
L
3
AUDIO PROCESSOR
R
18
CD
L
2
R
19
1
20
BAIS
Q124
Q126
L103
SWM3
FOOL PROOF
SWM4
F.A.S
SOLM1
SOLENOID
SWM5
CAM
+B
8
3
K
5
O
6
K
3
O
8
+B5
+B7
IC704
3
2
–B4
10
IC601
R
13
8
L
9
Q121
Q122
MUTING
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