Sharp CD-BA200 Service Manual page 16

CD-BA200
FM
ANTENNA
AM LOOP
ANTENNA
BF301
1
B.P.F
2
3
CNP301
FM RF L312
AM
TRACKING
T303
MOTOR
DRIVER
MM1
TAPE Q708 +3B
M
MOTOR
SOLM1,SOLM2 Q704
+3B
Q705
SOLENOID
SWM2
IC701
T2 PLAY
54PIN
SWM1 IC701
T1 PLAY 53PIN
SWM4 IC701
R. PLAY 56PIN
IC701
SWM3
55PIN
F. PLAY
CNS601
1
2
FROM CD SECTION
CNP11
3
TAPE 1
L-CH
PB HEAD R-CH
REC
SWITCHING
P.B
Q103-
TAPE 2 Q106
L-CH
REC PB HEAD R-CH
POP REDUCE
AC BIAS
Q107
Q108
SWITCHING
Q128
L104
ERASE BIAS
OSC
HEAD
FM IF
6
T302
IC301
1 TA7358AP
FM FRONT END
9
8
2 3 4 5 7
T301
FM OSC
OSC BUFF
FM OSC
Q302
AM BAND
T306
COVERAGE
VT
+B4
FM +B
Q360
SWITCHING
IC101
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
1
L(T1)
VCC 13 +B4
24
R(T1)
P.B
4 L
P.B
2
L(T2)
21
R
23
R(T2)
3
L NF 5
4
R NF 20
H/N
6
T1/T2 7 L
REC
18
R
L REC 9
REC
16
R REC 8 L NF
17
R NF
14
REF
10
12 ALC
NOR/
HIGH T1/T2
15 19
SWITCHING
Q111
Q109 Q110
SWITCHING
Q124
L103
SWITCHING
Figure 16 BLOCK DIAGRAM (2/3)
CF303
T351 CF352
AM IF
1 4
2
AM MIX AM IF GND
IC303
LA1832S
FM IF DET./FM MPX./AM IF
FM/AM
24 23 21 7
X352
4.5MHZ
1 15 11 3
20 22 16
OSC
IC302
LC72131
PLL(TUNER)
FM/AM MO/ST
7 9 10
FM
JK601
VIDEO IN
9
L
L
AUX
R
R
16
10
L
TAPE
R
15
11
L
TUNER
AUDIO PROCESSOR
R
14
12
L
CD
R 13
L
7
BIAS
Q126
– 16 –
+5V
CF351
X351
456kHz
5 9 8
17 13
VCC FM MO/ST
VCO
DET
L 14
15
R
MPXIN FM/AM
OUT
18 16 12
4 5 6
17
VDD
21
+B4
23
-20dB
ATT
R
21
IC601
Q603
LC75341 Q604
4 L
R
3
8 17 18
+B4
Q121
Q122
MUTING
8
IC561
IC562
IC563
4
-B2
OPE
AMP.
KIA4558P
+B4
+B4
SYSTEM
MUTE
Q605
Q606
REC
1
7
T1/T2
BIAS