Sharp XL-HP700 Service Manual page 14

XL-HP700
B.P.F
BF301
CNP302
1
FM/AM LOOP
2
ANTENNA
3
FM RF
TRACKING
CNP9
FROM CD SECTION
REC./P.B.
HEAD
REC.
P.B.
L-CH
R-CH
AC BIAS
ERASE
HEAD
IC301
TA7358AP
FM FRONT END
6 T302
1
9
5 7
3 4 8
BUFF
L312 T301
FM OSC
AM BAND
AM
COVERAGE
T303 T306
+B6
IC302
LC72131
PLL(TUNER)
FM+B
SWITCHING
BI901
8
7
6
P.B
L
4
L
2
21
R
R
23
SWITCHING
Q101~
Q104
H/N
L REC
POP REDUCE 6 7
T1/T2
18 R
L REC REC
9
R REC 16
11
12 13
NOR/
15 HIGH
T1/T2
SWITCHING
Q105
Q114
Q106
SWITCHING
+B5
Q112 Q113
SWITCHING
+B5
Q111
Q109
L103
SWITCHING
BIAS
OSC
Figure 14 BLOCK DIAGRAM (2/3)
IC303
LA1832S
FM IF DET.
FM MPX./AM IF
FM IF
+B6
CF302
450 kHz
T351
CF352
AM IF
1 2 4
OSC
Q302
24 23 21 7 18
X352
VT
4.5 MHZ
1 3 4
20 22 15 16 11
OSC
+B5
9 21
7 10
FM
Q360
JK690
VIDEO/AUX
L AUX L 9
R
R 16
L
10
TAPE IC601
15
R
LC75341
L
TUNER 11
AUDIO PROCESSOR
14
R
L
CD 12
13
R
7 18
PB
IC101
AN7345K
PLAYBACK AND RECORD
+B5
/PLAYBACK AMP.
+B3
+B3
Q110
BIAS
– 14 –
+B5
+B6
ZD351
5.1V
+B6
10.7 MHz
X351
CF351
456 kHz
5 9 8 17 13
14
L
R 15
16 12 20
Q361
5 6
17
+B5
+B5
23
1
DI
2
CE
CLK 24
–20dB
ATT
Q601 Q603
Q602 Q604
R
21
4 L
SYSTEM
8 17 3
MUTE
REC/PLAY
Q107
Q108
MUTING
MOTOR
DRIVER
Q500
TAPE
MECHANISM
ASS'Y
Q501
SOLENOID
DRIVER
BIAS
C