Sharp CD-XP700 Service Manual page 20

CD-XP700/CD-XP7700
AM LOOP
ANTENNA
FM
ANTENNA
BF301
B.P.F
CNP301
FM RF L312
CNP6
FROM CD SECTION
L-CH
TAPE 1
R-CH
P.B. HEAD
REC.
SWITCHING
P.B.
TAPE 2
L-CH Q101~
REC./P.B. Q104
R-CH
HEAD
AC BIAS
ERASE
HEAD
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IC301
TA7358AP
FM FRONT END
FM IF
6 T302
1
9
3 4 5 8
7
T301
FM
OSC
OSC BUFF
Q302
AM TRACKING
AM BAND
T303 T306
COVERAGE
IC302
LC72131
PLL(TUNER)
+B5
FM+B
Q360
SWITCHING
JK690
VIDEO/AUX
L
AUX
R
BI601
1
2
3
L(T1)
1 +B5
13
P.B
24
R(T1)
L
4 PB
L(T2) 2
21
R
R(T2)
23
H/N
L REC
6 7
POP REDUCE T1/T2
18 R
L REC REC
9
R REC 16
11
12
NOR/
10 ALC
15 HIGH T1/T2
19
SWITCHING
Q105
Q114
Q106
SWITCHING
+B5
Q112 Q113
SWITCHING
+B5
Q111
Q109
L103
BIAS SWITCHING
OSC
Figure 20 BLOCK DIAGRAM (2/3)
+B6
CF303
450 kHz
T351
CF352
AM IF
1 2 4
24 23 21 7
IC303
LA1832S
FM IF DET.
FM MPX./
AM IF MPX.
X352
VT
4.5 MHZ
1 3 4
20 22 15 16 11
OSC
7 9 10 21
FM
L 9
R 16
L
TAPE 10 IC601
15
R
LC75341
L
TUNER 11
AUDIO PROCESSOR
14
R
L
12
CD
13
R
7 8 17
IC101
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
MOTOR
DRIVER
+B3 Q706
Q110
Q707
+B3
Q708
BIAS
SOLENOID
DRIVER
– 20 –
+B5
+B6
ZD351
5.1V
+B6
10.7 MHz
X351
CF351
456 kHz
5 9 8 17 13
14
L
R 15
18 16 12
5 6
17
+B5
+B5
23
1
DI
2
CE
CLK 24
–20dB
ATT
Q601 Q603
Q602 Q604
R
21
4 L
18 3
REC/PLAY
Q107
Q108
MUTING
TAPE
MECHANISM
ASS'Y
T1/T2
BIAS