Read Sharp CD-BA1300 (serv.man11) Service Manual online
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
14
15
20
21
22
23
24
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
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
REDUCE
RNF
LNF
SWITCHING
Q107
Q104~
L(T2)
R(T2)
R(T1)
L(T1)
IC101
AN7345K
PLAYBACK AND
RECORD/PLAYBACK AMP.
R
L
FM/AM
MPXIN
STEREO
AMRFIN
AMOSCIN
FM +B
Q360
VT
FMOSC
OSC
4.5MHZ
X352
COVERAGE
AM BAND
AM TRACKING
T303
Q301
X351
456kHz
456kHz
MO/ST
VCO
DET
FM
FM+B
GND
AM IF
CF351
FM IF DET./FM MPX./AM IF
LA1832S
IC303
MIX
CF352
T351
CF302
CF301
FM IF
FM IF
AMP.
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/T2
HIGH
NOR/
Q602
Q601
5
24
21
22
AM
T306
FM
TAPE
MOTOR
MOTOR
SOLENOID
T2 PLAY
T1 PLAY
R.PLAY
F.PLAY
Q706
Q704
Q705
IC701
54PIN
IC701
53PIN
IC701
56PIN
IC701
55PIN
M
MOTOR
DRIVER
DRIVER
+B2
+B2
AM IF
12
14
L354
LOW
PASS
FILTER
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