CD-PC1881V
– 16 –
Figure 16 BLOCK DIAGRAM (2/3)
IC951
LA4451
POWER AM
X501
8MHz
VOLUME
JOG
VR702
X351
456kHz
FM DET
CF351
+B4
+B4
+B4
VOLTAGE
REGURATER
+5V
FM +B
VT
T306
T302
CF302
DO
CE
CL
DI
FE301
FM FRONT END
Q360
MPX
VCO
CUT
R
L
Q354
Q353
PHASE
Q361
MPX
MPX
IN
FM/AM
OUT
IF IN
IC303
LA1832
FM/AM IF MPX.
IF
OUT
SD
FM MONO/ST
MONO/ST
AM RF IN
AFC
IN
OUT
VR351
FM MUTE LEVEL
AM OSC
IN
OUT
VCC
FM IF IN
1
5
8
9
17
18
16
15
14
12
11
10
6
7
13
21
22
23
24
FM IF
FM
X352
4.5MHz
X IN
STEREO
IC302
LC72131
PLL (TUNER)
IN
AM
FM IN
FMOSC
GND
OSC
F OUT
AM OSC.
VOLTAGE
REGULATOR
AM ANTENNA
AM RF
TUNER MUTE
MUTING
SO301
ANTENNA
TERMINAL
2
8
6
7
3
4
1
5
4
3
6
5
21
17
12
13
10
11
16
15
22
20
7
1
Q371
FM
75 ohms
GND
AM
1
3
2
+B4
2
4
T351
AM IF
CF352
X OUT
VD301
VD301
1
24
2
23
3
4
4
21
5
20
6
7
17
8
9
16
10
14
12
13
18
H/N
T1/T2
R-CH
L-CH
L-CH
R-CH
P.B
REC
TAPE 2
TAPE 1
L NF
L(T1)
R(T1)
L(T2)
R(T2)
R NF
L
R
POP REDUCE
L REC
R REC
L
R
REC
P.B.
REC
ALC
NOR/
HIGH
T1/T2
REF
L NF
R NF
PLAYBACK
HEAD
RECORD/
PLAYBACK
HEAD
SWITCHING
Q103~Q106
AC BIAS
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
PB
ERASE
HEAD
SWITCHING
BAIS
Q126
Q124
Q128
L104
Q111
Q110
Q109
Q107
Q108
SWITCHING
SWITCHING
SWITCHING
+B4
1
2
3
CNS11
FROM CD VIDEO
SECTION CNP11
SWM3
FOOL PROOF
SWM4
F.A.S
SOLM1
SOLENOID
SWM5
CAM
52
60
51
61
53
59
54
58
55
57
49
63
45
44
34
38
35
37
36
33
32
13
12
9
26
9
7
IC401
LC75396N
AUDIO PROCESSOR
L
L
R
R
L-CH
R-CH
L
R
L
R
L
L
R
R
TUNER
VIDEO1
L
R
VIDEO2
TAPE
CD
Q903
Q405
BAIS
CENTER IN
REAR IN
T1/T2
REC
MUTING
Q121
Q122
+B4
17
31
30
18
22
20
28
ZD801
Q
Q
BIAS
OCS
15
19
23 24 25
56
JK401
VIDEO IN
M
MM1
TAPE MOTOR
IC501
LV1035M
DOLBY PRO LOGIC
DECORD
CL
DI
CE
11
4
L-CH
R-CH
VIDEO1
VIDEO2
