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CD-C421H / C411H
SO301
ANTENNA
TERMINAL
FM FRONT END
8
FE301
2
6
7
AM
ANTENNA
L341
BALUN
AM RF
AM ANT.
T302
MM1
TAPE
MOTOR
M
FOOL PROOF
SWM3
F.A.S
SWM4
CAM
SWM5
+B5
PHM1
SOLENOID
SOLM1
TAPE 1
PB HEAD
L-CH
SWITCHING
R-CH
Q511
TAPE 2
Q514
REC/PB
REC
HEAD
P.B
L-CH
R-CH
AC BIAS
SWITCHING
BIAS
OCS
ERASE
HEAD
FM IF
AMP
FM IF
FM IF
1
CF301
Q301
CF302
FM IF IN
5
3
4
VR351
FM MUTE LEVEL
FMOSC
AM OSC.
T306
4.5MHz
+B4
20
FM
Q360
7
23 22
21
20
ICT21
LC72720
RDS
2
4
3
TA MOT SW
Q602
FOOL PROOF
T1 RUN
MECHA STOP
T2 RUN
TA SOL
Q601
PLAYBACK&RECORD/
PLAYBACK AMP.
IC501
AN7345K
L (T1)
1
+B4
13
P.B.
R (T1)
24
P.B
L
4
L
L (T2)
2
R
21
R
R (T2)
23
L NF
3
5
4
R NF
20
POP REDUCE
H/N
L
6
T1/T2
REC
7
REC
18
L REC
9
R
16
R REC
8
L NF
17
R NF
ALC
REF
14
10
NOR/
HIGH
T1/T2
12
15
19
+B4
Q584
SWITCHING
Q515
Q583
Q516
Q581
Q582
+B4
SWITCHING
Q571
Q566
L501
SWITCHING
Figure 18 BLOCK DIAGRAM (2/3)
+B4
CF351
X351
AM IF
T351
1
2
3
4
5
8
9
17
29
OUT
REG
IN
GND
VCC
IC303
FM IF DET/FM MPX/AM IF
LA1832
IF
AM OSC
OUT
24
23
22
21
7
13
6
10
12
11
MPX
PHASE Q361
VOLTAGE
REGURATER
+B4
X352
+5V
1
22
15
16
11
10
13
12
17
OSC.
IC302
LC72131
7
PLL(TUNER)
3
4
5
6
21
Q371
15 14
13
12
Q575
Q576
MUTING
BIAS
Q565
– 18 –
SM
AMP.
QT21
41
40
LOW PASS
FILTER
L354
20
18
16
VF2
(AC)
FM/AM
MPX
OUT
IN
14
15
L
R
MPX
VCO
MUTING
CUT
Q353
Q354
TUNER MUTE
SM
SD
CNP303
SO401
AUX IN
FROM CD SECTION
REC MUTE
T1/T2
REC/P.B.
BIAS
FL701
37
28
CD RES
5
CD SL–
6
CD SL+
7
CD CQCK
9
CD COIN
10
CD SQOUT
11
CD WRQ
12
CD RWC
13
CD PUIN
19
CD DRF.
21
T1 RUN
22
T2 RUN
23
TACUM SW
31
AFP
67
L
VIDEO
16
33
R
TAPE
L
17
R
32
TUNER
L
19
R
30
CD
L
21
28
R
TO CD SECTION
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