Sharp CD-BA150 Service Manual page 16

CD-BA150
FM
AM
1 BF301
2
3
CNP301
AM TRACKING
T303
MOTOR
DRIVER
TAPE
M Q708
MOTOR
Q704
SOLENOID
Q705
IC701
T2 PLAY
54PIN
IC701
T1 PLAY
53PIN
IC701
R. PLAY
56PIN
IC701
F. PLAY
55PIN
CNS402
FROM
CD SECTION
3
CNP11
4
PB HEAD
L-CH
TAPE 1
R-CH
SWITCHING
REC
REC PB HEAD P.B.
Q104~
L-CH
TAPE 2 Q107
R-CH
AC BIAS
Q108
Q109
BIAS
ERASE
OSC
HEAD
FM IF
IC301
6 T302
TA7358AP
1
FM FRONT END
9
2 4 5 8
3 7
L312
FM RF T301
OSC BUFF
Q302
T306
AM BAND
COVERAGE
+3B
FM
+B
+3B
SWITCHING
+B2
1
IC101
2
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
5
+B2
1
L(T1)
13
R(T1) 24
P.B
4 L
PB
2
L(T2)
21 R
R(T2) 23
5
L NF 3
R NF 22 20
H/N
POP
6 T1/T2 7
L REC
REDUCE
R
18
L REC
9
REC
16
8 L NF
R REC
17
R NF
14
REF
NOR/
ALC
12 10
HIGH
T1/T2
15 19
SWITCHING
SWITCHING
Q103
Q101 Q102
SWITCHING
SWITCHING
Q114
Q112
L104
L103
Figure 16 BLOCK DIAGRAM (2/3)
CF303
CF352
T351
AM IF
1 2 4
AM MIX AM IF GND
IC303
LA1832S
FM/AM IF MPX.
23 21
7
FM OSC
X352
4.5MHZ
VT
20 14 22 15 16 11
OSC IC302
LC72131
PLL(TUNER)
FM/AM MO/ST
7 9 10
FM
Q360
SO401
VIDEO/AUX
9
L AUX L
R
16
R
10
L
TAPE
15
R
AUDIO PROCESSOR
L 11
TUNER
14
R
12
L
CD
13
R
7
BIAS
Q113
– 16 –
CF351 X351
456KHz
5 9 8 17 13
FM MO/ST
VCC VCO
DET L 14
R
15
FM/AM
MPXIN FM/AM
OUT
16 12
18
3 4 5 6
17
21
+B2
23
1
DI
CE 2
IC401
CL 24
LC75341
21
R
L
4
8
17 18 3
Q110
Q111
MUTING
+B4
SYSTEM
MUTE
Q401
Q402
REC/PLAY
T1/T2
BIAS