Sharp CD-BP160W Service Manual page 16

CD-BP160W/180W/1500W/1700W
FM ANTENNA
SO302
1
AM LOOP
ANTENNA
CNP302
1
1
2
2
FROM CD
SECTION
CNP11
PB HEAD
L-CH
TAPE 1 R-CH
REC
P.B.
REC PB HEAD
L-CH
TAPE 2
R-CH
AC BIAS
ERASE
HEAD
IC301
2 1 TA7358AP
BF301
FM FRONT END
4 5
3 7
FM
T301
L312
RF
AM
AM BAND
T306
T303
TRACKING COVERAGE
CNS402
R
1
2
L
3
4
IC101
5 PLAYBACK AND RECORD/
PLAYBACK AMP.
1
L(T1)
24
R(T1)
P.B
2
SWITCHING L(T2)
R(T2)
23
Q104~
L NF 3
Q107
22
R NF
POP H/N
6
T1/T2
REDUCE
L REC
9
REC
16
R REC
14
REF
12
NOR/
HIGH T1/T2
15 19
SWITCHING
SWITCHING
Q108
Q103
Q109
Q101
Q102
SWITCHING
BIAS Q114
L104
OSC
Figure 16 BLOCK DIAGRAM (2/3)
6
1 3
T302 CF303
9
8
1
AM MIX
FM/AM IF MPX.
23
FM OSC
Q302
X352
VT
4.5MHZ
20 1 22
OSC
IC302
LC72131
PLL(TUNER)
7
SWITCHING
FM +B
FM
Q360
+B2
SO401
VIDEO/AUX
L
R
+B2
13
4
L
PB
21
R
5
20
7
L REC
R
18
8
L NF
17
R NF
10
ALC
BIAS
SWITCHING
Q113
Q112
– 16 –
X351
CF351
1 3
2
4 5 9 8 1 7 13
AM IF FM
FM+B MO/ST
VCO
GND
DET
IC303
LA1832S
FM/AM
MPXIN FM/AM
OUT
21 24 18 16
7 12
16 15 11 3 4 5 6
17
VDD
MO/ST
FM/AM
9 10 21
+B2
23
9
L
AUX
16
R
10
L
TAPE
IC401
15
R
LC75341
11
AUDIO PROCESSOR
L
TUNER
14
R
12
L
CD
13
R
18
7 8 17 3
MUTING
+B2
14
L
R
15
1
DI
2
CE
24 SYSTEM
CL
MUTE
21 Q401
R
Q402
4
L
REC/PLAY
Q110
Q111
T1/T2
BAIS