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XL-HP700 (serv.man12). Block diagram - Sharp Audio Service Manual (repair manual). Page 3

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– 17 –
XL-HP700H
 Figure 17 BLOCK DIAGRAM (3/3)
Q905
–VF
VF2
VF1
Q801
Q841
IC855
+B2
+B3
+B4
-B2
+B7
+B3
+B10
-
12
13
41
19
Q701
R
L
+B10
RX701
REMOTE
SENSOR
D803,
D804
D855
D802
RL914
JK951
HEADPHONES
M971
FAN
MOTOR 
M
Q906
Q702
Q603
Q604
IC901
STK402-120
POWER AMP.
F804
T2.0A L 250V
VOLTAGE
REGULATOR
F803
T2.0A L 250V
F801
T5.0A L 250V
F802
T5.0A L 250V
F805
T2.5A L 250V
R-OUT 
L-OUT 
Q901~
Q904
CLK 
SO901
SPEAKER
TERMINAL
34
PLAY
VLOAD 
RESET
+B10
+B10
+B10
+B10
+B9
VDD 
VDD
VDD
~
CE
DI
DO
XL700
4.19403 MHz
–
BIAS
AVDD
SW701-SW728
KEY 
TO CD SECTION
CNP5
CNP6
IC701
IX0548AW
IX0574AW
(Serial No.21001025~)
SYSTEM
MICROCOMPUTER
FL701
FL DISPLAY 
29
85
80
35
45
14
93
15
92
1 2 4 5 6 7
15
1
8
78
72
5
1
2
3
1
7
13
9
10
100
33
31
37
15
46
11 12 
9
1 0 
16 1 7  20 21 22 23 24
41
79
55
52
38
27
91
40
42
25 13 30
39
34
8
T.F.
PT801
MAIN POWER
TRANSFORMER
YSTEM
MUTE
~
~
~
68
56
~
~
90
86
~
~
~
~
TAPE
MECHANISM
ASS'Y
TO CD
SECTION
RESET
SP DET.
SP RELAY
ON-OFF
FAN MOTOR
DRIVER
IC851
IC852
IC853
IC854
M_+12.6V
LD+8V
+B5
+B10
A_10V
UNSW_5.6V
+B7
+B8
+B9
D_5V
A_5V
SW_5V
IC852
KIA7810AP
CONSTANT
VOLTAGE
REGULATOR
IC851
KIA7812AP
CONSTANT
VOLTAGE
REGULATOR
IC853, IC854
CONSTANT VOLTAGE REGULATOR
VOLTAGE
REGULATOR
L841
AC LINE
FILTER
RL841
AC POWER
SUPPLY CORD
AC 230 V, 50 Hz
PT841
SUB POWER
TRANSFORMER
D842~
D845
RELAY
DRIVER
AC_RLY
KIA7805AP
AN78L05
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