Sharp CD-XP300W Service Manual page 18

CD-XP300W
FM
ANTENNA
BF301
B.P.F
SO302
FM ANTENNA
TERMINAL
AM LOOP
ANTENNA
CNP301
ICK1
M65856SP
MIC AMP.
JK1
MIC
LATCH
CLOCK
DATA
MIC IN
L OUT
9
R OUT
12
13
MCLKCONT
VRK1
MIC
VACL
VOLUME
+B5
TAPE 1
L-CH
R-CH
PLAYBACK
HEAD
REC.
P.B.
TAPE 2
L-CH
RECORD/
R-CH
PLAYBACK
AC BIAS
HEAD
ERASE
HEAD
IC301
TA7358AP
1
FM FRONT END
3 4 5 7
2
FM
L312
RF
OSC BUFF
AM AM BAND
TRACKING COVERAGE
+B6
T303 T306
40
41
42
+B5
36
35
8
L IN 31
R IN 2
32
3
VCC 23
2
5
3
6
QK1
L(T1)
1
P.B
R(T1) 24
L(T2)
2
R(T2)
23
Q101~
Q104 POP
6
T1/T2
REDUCE
REC
L REC
9
16
R REC
ALC
11
12
15 T1/T2
+B5
Q105
Q114
Q106
+B5
+B5
Q112
SWITCHING
BIAS OSC
Q111
L103
Figure 18 BLOCK DIAGRAM (2/3)
FM IF
6 CF303
T302
9
8
T301
FM
1
OSC
24 23
Q302
X352
4.5 MHZ
IC302
1
20
LC72131
PLL
(TUNER)
+B5
CONSTANT
VOLTAGE
Q360
JK690
VIDEO/
AUX IN
1 L
TUNER
R
7
ICK2
KIA4558P
OPE AMP.
+B5
13
L
4 PB
21
R
1 2
H/N
L REC
7
18 R
IC101
ALC
10
AN7345K
19 PLAYBACK AND RECORD
/PLAYBACK AMP.
SWITCHING
Q113
+B5
Q110
Q109
SWITCHING BIAS
– 18 –
+B6
10.7 MHz
+B6
CF351
450 kHz
+B6
T351
CF352
AM IF
2 4 5 9 8
FM/AM
OUT
MPX IN
21 7 18 16
IC303
LA1832S
FM IF DET.
FM MPX./AM IF
3 4 5 6
22 15 16 11
VDD
17
7 9 21
10
23
9
L
R
16
IC601
10
TAPE L
R LC75341
15
L 11
AUDIO
R
14
PROCESSOR
12
CD L
R
13
L R
7 1 8 8 1 7 3
L R
Q107
Q108
MUTING
+B4
3 4 5 6 7 8
BI601
CNP7
FROM
CD SERVO
SECTION
MOTOR
DRIVER
+B3
Q706
Q707
+B3
Q708
SOLENOID
DRIVER
+B5
ZD351
5.1V
X351
456 kHz
13
17
14
L
R
15
PHASE
(FM/AM)
12
+B5
+B5
1
DI
2
CE
CLK 24
–20dB
ATT
Q601 Q
Q602 Q
21
R
4 L
REC/PLA
T
TAPE
MECHANISM
ASS'Y