CD-PC672
– 18 –
Figure 18 BLOCK DIAGRAM (2/3)
IC9
LA4
PO
X501
VOLUME
JOB
VR702
5
6
21
16
22
13
20
16
21
17
1 3
24
23
15
20
1
22
15
9
10
11
7
11
3 4 5 6
10
GND
AM IF
FM DET
FM DET
FM IN
IC302
LC72131
PLL (TUNER)
OSC
VR381
MPX VCO ADJ
AM IF
AM MIX
AM
IN
AM+B
AM RF IN
X352
4.5MHz
FMOSC
AM TRACKING
AM OSC
T382
+B4
+B4
T381
IC303
LA1805
FM/AM IF MPX.
DET OUT
L
R
STEREO
AM OSC IN
Q381
Q382
VT
DO
DI
CL
CE
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
PB HEAD
REC PB 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 SECTION
CNP11
17
+B4
VOLTAGE
REGURATER
SWM3
FOOL PROOF
SWM4
F.A.S
SOLM1
SOLENOID
SWM5
CAM
52
60
51
61
53
59
54
58
55
57
49
63
48
33
48
33
45
44
34
38
35
37
36
33
32
13
9
9
IC401
LC75396N
AUDIO PROCESSOR
L
L
R
R
L
R
L
R
L
R
L
R
L
L
R
R
TUNER
VIDEO1
L
R
VIDEO2
TAPE
CD
3
IC704
1
+B7
2
BAIS
T1/T2
REC
MUTING
Q121
Q122
+B4
FM/AM
SWITCHING
17
31
30
18
22
20
28
Z
9
1
2 3 4 5 7
8
6
Q301
FM IF IN
FM IF
FM RF
FM
OSC
T301
FM OSC
FM
ANTENNA
FM B.P.F
IC301
TA7358AP
FM FRONT END
T301
L312
OSC BUFF
L301
7
FM
Q351
FM +B
SWITCHING
CF301
FM+B MO/ST
VCO
FM/AM
BIAS
OCS
15
19
23 24 25
56
MONO/ST
JK401
VIDEO IN
MPX IN
AM LOOP
ANTENNA
T331
T333
CF351
M
MM
TAPE MO
IC501
LV1035M
DOLBY PRO LOGIC
DECORD
CL
DI
CE