Service manual

CD-BA1300H
– 12 –
Figure 12 BLOCK DIAGRAM (2/3)
QT21
AMP.
VSSD
VDDD
XIN
XOUT
VSSA
VDDA
MPX
IN
DO
CL
DI
CE
XT21
4.5MHz
ICT21
LC72722
RDS DECORDER
DO
CE
CL
DI
QT22
21
13
12
1415
2021222324
3
2 4 3
4 5 6
7 8
+B3
FMAFC
BALUN
L341
REC/PLAY
SYSTEM
MUTE
MO/ST
+B3
SWITCHING
+B3
FM/AM
PLL(TUNER)
LC72131
IC302
OUT
FM/AM
+B3
L
R
BAIS
T1/T2
MUTING
Q110
Q111
P.B.
REC
AC BIAS
L
L
R
R
R
L
TAPE
TUNER
CD
PB
CNS601
FROM CD SECTION
CNP11
HEAD
ERASE
SWITCHING
SWITCHING
SWITCHING
BIAS
Q102
Q112
Q103
Q101
Q113
SWITCHING
BIAS
OSC
L104
Q114
Q109
Q108
Q
REC/P.B.
HEAD
TAPE 2
P.B. HEAD
TAPE 1
R-CH
L-CH
R-CH
L-CH
IC601
LC75341
AUDIOPROCESSOR
+B3
R
L
REC
R
L
LNF
RNF
ALC
REF
RREC
LREC
POP
REDUCE
RNF
LNF
SWITCHING
Q107
Q104~
L(T2)
R(T2)
R(T1)
L(T1)
IC101
AN7345K
PLAYBACK AND
RECORD/PLAYBACK AMP.
R
L
FM/AMMPXIN
STEREO
AMRFIN
AMOSCIN
FM +B
Q360
VT
FMOSC
OSC
4.5MHZ
X352
COVERAGE
AM BAND
AM TRACKING
T303
Q301
X351
456kHz
MO/ST
VCO
DET
FMFM+B
GND
AM IF
CF351
FM IF DET./FM MPX./AM IF
LA1832S
IC303
MIX
CF352
T351
CF302
CF301
FM IF
FM IF
AMP.
FM FRONT END
TA7358AP
FE301
AM LOOP
ANTANNA
FM
ANTENNA
TERMINAL
11
7
7
5
6
1
2
3
4
8
22
3
21
4
8
18
17
5
4
3
9
10
18
11
3
15
10
7
23
14
12
13
1
2
20
19
7
18
10
8
17
13
21
4
5
2
24
23
6
9
16
12
15
1
1
1
2
7
9
8
17
2
1
20
22
17
16
15
13
14
12
15
16
23
4
H/N
P.B
REC
T1/T2
T1/T2HIGH
NOR/
Q602
Q601
5
242122
AM
T306
FM
TAPE
MOTOR
SOLENOID
T2 PLAY
T1 PLAY
R.PLAY
F.PLAY
Q706
Q704
Q705
IC701
54PIN
IC701
53PIN
IC701
56PIN
IC701
55PIN
M
MOTOR
DRIVER
+B2
+B2
AM IF
12
14
L354
LOW
PASS
FILTER