Sharp CD-XP500A Service Manual page 16

CD-XP500A/CD-XP500W
SO302
FM ANTENNA
TERMINAL
AM LOOP
ANTENNA
CNP301
JK1
MIC
40
LATCH
DATA 42
MIC IN
9 CLOCK 41
12
35
ROUT
13
LOUT 36
RIN
32
31
LIN
VRK1
MIC
VCC
23
VOLUME
22
ICK1
M65856SP
MIC AMP.
FROM CD SECTION
L-CH
TAPE 1
R-CH
P.B. HEAD
P.B.
TAPE 2
L-CH
REC./P.B.
R-CH
HEAD
AC BIAS
ERASE
HEAD
IC301
TA7358AP
FM FRONT END
BF301 1
B.P.F
4
3 5
7
FM RF L312
AM TRACKING
T303 T306
+B6
ICK2
KIA4558P LC72131
OPE AMP.
PLL(TUNER)
6
5
R
7
1
L
2
3
QK1 +B5
1
CNP7
2
3
BI601
L(T1)
1
R(T1) 24
L(T2) 2
REC.
R(T2) 23
SWITCHING
Q101~
Q104
POP REDUCE 6
T1/T2
L REC REC
9
R REC 16
11
12
NOR/
15 HIGH
SWITCHING
Q105
Q106
SWITCHING
+B5
Q112
SWITCHING
Q111
L103
BIAS
OSC
Figure 16 BLOCK DIAGRAM (2/3)
FM IF
T302 CF303
6
9
8
T301
FM
OSC
24
OSC BUFF
Q302
AM BAND
COVERAGE
X352
VT
4.5 MHz
IC302
1
20
OSC
+B5
FM+B
FM
Q360
SWITCHING
JK690
VIDEO/AUX
L
R
TUNER
+B5
13
P.B
L
4 PB
21
R
H/N
L REC
7
18 R
IC101
AN7345K
PLAYBACK AND RECORD/
10 ALC
PLAYBACK AMP.
T1/T2
19
Q114
Q113
+B5
Q110
Q109
SWITCHING BIAS
– 16 –
+B6
+B6
+B6
10.7 MHz
450 kHz
CF351
T351
CF352
AM IF
1 2 4 5 9 8 17
23 21 7 18 16
IC303
LA1832S
FM IF DET./
FM MPX./
AM IF
3 4 5 6
22 15 16 11
17
9 21
7 10
+B5
AUX L 9 DI
CE
R 16
L
CLK
TAPE 10 IC601
15
R
LC75341
L
11
AUDIO PROCESSOR
14
R
L
12
CD
13
R
7 18 8 17 3
23
Q107
Q108
MUTING
Q701
LED706
LED
DRIVER
LED
DRIVER
+B5 Q710
LED703,
LED704
Q703
LED
LED708
DRIVER
Q702
LED
LED707
DRIVER
+B5
ZD351
5.1V
X351
456 kHz
13
14
L
R 15
12
1
2
24
–20dB
ATT
Q601 Q603
Q602 Q604
R
21
4 L
+B5
REC/PLAY
T1/T2
BIAS
JOG701
JOG
VOLUME
68 49 50
IC701
63
IX0532AW
SYSTEM
MICROCOMPUTER
(2/2)
66
67