Sharp CD-XP300 - Compact Stereo System Service Manual page 20

CD-XP300/CD-XP3300
AM LOOP
ANTENNA
FM
ANTENNA
BF301
B.P.F
CNP301
CNP7
FROM CD SECTION
L-CH
TAPE 1
R-CH
P.B. HEAD
REC.
P.B.
TAPE 2
L-CH
REC./P.B.
R-CH
HEAD
AC BIAS
ERASE
HEAD
IC301
TA7358AP
FM FRONT END
6
1
9
4
3 5 8
7
FM RF L312 T301
FM
OSC
OSC BUFF
Q302
AM TRACKING
AM BAND
T303 T306
COVERAGE
IC302
LC72131
PLL(TUNER)
FM+B
JK690
VIDEO/AUX
L
AUX
R
BI601
1
2
3
L(T1)
1
P.B
R(T1) 24
L(T2)
2
R(T2)
23
SWITCHING
Q101~
Q104
H/N
6
POP REDUCE T1/T2
L REC REC
9
R REC 16
11
12
NOR/
15 HIGH T1/T2
19
SWITCHING
Q105
Q114
Q106
SWITCHING
+B5
Q112 Q113
SWITCHING
Q111
L103
SWITCHING
BIAS
OSC
Figure 20 BLOCK DIAGRAM (2/3)
+B6
FM IF
T302 CF303
AM IF
1 2
24 23 21
X352
VT
4.5 MHZ
1
20 22 15 16
OSC
+B5
7
FM
Q360
SWITCHING
TAPE
TUNER
CD
+B5
13
L
4 PB
21
R
L REC
7
18 R
IC101
AN7345K
PLAYBACK AND RECORD
ALC
10
/PLAYBACK AMP.
+B3
+B5
Q110
Q109
+B3
BIAS
– 20 –
+B6
ZD351
5.1V
+B6
10.7 MHz
X351
450 kHz
CF351
456 kHz
T351
CF352
4 5 9 8 17
13
L
R
7 18 16 12
IC303
LA1832S
FM IF DET.
FM MPX./
AM IF MPX.
3 4 5 6
11
17
9
10 21
+B5
+B5
23
1
L 9 DI
2
CE
R 16
L
CLK 24
10 IC601
15
R
LC75341
L
11
AUDIO PROCESSOR
14
R
21
L
12
4
13
R
7 8 17 18 3
Q107
Q108
MUTING
MOTOR
DRIVER
Q706
TAPE
MECHANISM
ASS'Y
Q707
Q708
SOLENOID
DRIVER
+B5
14
15
–20dB
ATT
Q601 Q603
Q602 Q604
R
L
REC/PLAY
T1/T2
BIAS