Sharp CD-BA3100 Service Manual page 24

CD-BA3100
AM
FM
BF301
B.P.F
T303
CNS601
FROM CD SECTION
CNP8
L-CH
TAPE1
R-CH
PB HEAD
REC
SWITCHING
P.B.
Q103-
Q106
L-CH
TAPE2
R-CH
REC PB HEAD
POP REDUCE
AC BIAS
SWITCHING
BIAS Q128
ERASE
OSC
HEAD
IC301
6
TA7358AP
1
FM FRONT END
9
2 3 4 5 7 8
FM
T301
L312
RF
FM
OSC
OSC BUFF
Q302
AM TRACKING
AM BAND
T306
COVERAGE
+B
FM
JK601
VIDEO AUX IN
L
R
1
2
IC101
3
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
1
L(T1)
13
24
R(T1) P.B
4
2
L(T2)
21
23
R(T2)
5
L NF 3
22 20
R NF
T1/T2 H/N
6
7
18
L REC REC
9
16
8
R REC
17
14
REF
NOR/
10
12 T1/T2
HIGH
19
15
SWITCHING
SWITCHING
Q107
Q111
Q108
Q110
Q109
SWITCHING
Q124
L104
Figure 24 BLOCK DIAGRAM (2/3)
FM IF
T302 CF303
T351
AM IF
IC303
1 2
LA1832S
AM MIX
FM IF DET./
FM MPX./
AM IF
23 21
X352
VT
4.5MHZ
1
20 22 15
OSC
IC302
LC72131
PLL(TUNER)
FM/AM
+B4
7
FM
Q360
SWITCHING
TAPE
TUNER
CD
+B4
L PB
R
L REC
R
L NF
R NF
ALC
Q126
BIAS
– 24 –
CF351
X351
450kHz
456kHz
CF352
4 5 9 8 7
13
MO/ST
L 14
R
15
7
18 16 12
11 3 4 5 6
16
17
MO/ST
9
10 21
+B4
23
9
DI
L
16 CE
R
L
CLK
10
IC601
15
R
LC75341
L 11
AUDIO PROCESSOR
14
R
L
12
13
R
7 8 17 18 3
Q121
Q122
MUTING
+B4
23 29
22
I
14
D1
+B6
13 VDD
9
1
2
2 4
21
R Q603
Q604
4
L
REC/PLAY
+B4
–B2
8
10
4
11
83
12
I
IX040
17
84