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CD-C290X
SO301
ANTENNA
TERMINAL
8
FM
75 OHMS
AM
AM RF
T302
MM1
TAPE
MOTOR
M
FOOL PROOF
SWM3
F.A.S
SWM4
CAM
SWM5
PHM1
SOLENOID
SOLM1
TAPE 1
PB HEAD
L-CH
SWITCHING
R-CH
TAPE 2
REC/PB
REC
HEAD
P.B
L-CH
R-CH
AC BIAS
ERASE
HEAD
FM FRONT END
1
FE301
5
2
6
7
3
4
AM ANT.
AM OSC.
T306
TA MOT SW
Q703
FOOL PROOF
T1 RUN
MECHA STOP
+B5
T2 RUN
TA SOL
Q706
PLAYBACK&RECORD/
PLAYBACK AMP.
IC501
AN7345K
L (T1)
1
P.B.
R (T1)
24
L
L (T2)
Q511
2
R
R (T2)
23
Q514
3
L NF
4
R NF
POP REDUCE
H/N
6
T1/T2
REC
L REC
9
16
R REC
REF
14
NOR/
HIGH
T1/T2
12
15
19
+B4
Q584
SWITCHING
Q515
Q583
Q516
SWITCHING
Q581
Q582
SWITCHING
BIAS
OCS
Q571
L501
Figure 14 BLOCK DIAGRAM (2/3)
+B4
FM IF
CF302
AM IF
FM IF IN
T351
1
2
3
4
OUT
REG
IN
GND
IC303
VR351
FM IF DET/FM MPX/AM IF
LA1832
FM MUTE LEVEL
AM OSC
24
23
22
21
7
13
FMOSC
X352
4.5MHz
+B4
1
20
22
15
16
11
10
OSC.
IC302
FM
LC72131
Q360
7
PLL(TUNER)
8
9
3
4
5
CN7
13
+B4
P.B
4
L
21
R
5
20
L
REC
7
Q575
Q576
18
R
MUTING
8
L NF
17
R NF
ALC
10
+B4
BIAS
Q566
Q565
SWITCHING
– 14 –
CF351
X351
5
8
9
17
29
20
16
18
VCC
FM/AM
MPX
OUT
IN
IF
OUT
6
10
11
12
14
15
L
R
MPX
VCO
MUTING
CUT
Q353
Q354
TUNER MUTE
SD
VOLTAGE
REGURATER
+B4
+5V
13
12
17
6
21
Q371
MPX
PHASE Q361
+B4
REC MUTE
T1/T2
REC/P.B.
BIAS
1
2
3
VF2
(AC)
CNP303
SO401
AUX IN
VIDEO
TAPE
TUNER
CD
FROM CD SECTION
+
+B4
+
TO CD SECTION
+B5
+
+B6
(
TO
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