Sharp XL 1700 - Executive Microsystem - Page 21

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XL-1700/1700C
Figure 21 BLOCK DIAGRAM (3/3)
VOLTAGE
REGULATOR
3
1
3
2
1
AC INPUT
SOCKET
AC120V,30Hz
AC 120V,60Hz
AC POWER SUPPLY CORD
POWER
TRANSFORMER
(SUB)
CNP681
SO651
IC681
AN78L05
CONSTANT
RLY601
T681
D681~D684
Q683
1
2
3
4
1
2
3
4
3 2
2
1
POWER
TRANSFORMER
(MAIN)
TF
T651
2.5A 125V
1.6A 125V
CNP651
F652
F653
Q604
Q605
D651~D654
D657~D660
Q105
Q106
Q109
Q108
Q103
Q104
Q101
Q102
Q603
Q601
Q602
Q606
Q607
CD +B
+B
+B
+B3
CD_7.2V
+B1
+B2
+B3
+B4
+B3
M_12V
A_12V
5
12910 11 3 7 4 2
IN1 POWER –GND1,2
VCC
OUT1 FIL OUT2 GND IN2
POWER AMP.
IC101
LA4282
L-CH
L-CH
R-CH
R-CH
R-CH
L-CH
SPEAKER TERMINAL
+
+
SO601
HEADPHONES
1
2
3
4
5
9
10
J601
VSS
VDD
IC401
LC75342M
15
14
13 12
11
10
9
17
18
19
20
21
22
23
24
25
26
27 28
29
16
8
7
6
5
4 3 2 1
CE DI
30
CL
LOGIC
TUN L
CD L
TUN R
R-CH OUT
R-CH OUT
L-CH OUT
R-CH IN
L-CH IN
L-CH OUT
A_12V
NC
FUNCTION/VOLUME
EQUALIZER
AUX R
AUX L
CD R
MUTE
VOLTAGE
REGULATOR
+B6
L
IL
U
P UNIT
D_GND
MAIN PWB
+B4
+B2
+B
Q201Q203
2
3
1
A_GND
CD_L
CD_R
1 2 3 4 5
1
12 11 10
9 8 7 5 6 4 2 3
13
P_MUTE
CD +B
CL
DI
CE
DO
FM ST
SD
A_GND
TUN R
TUN L
D
_
GND
A_12V
D_GND
SURROUND
M
P
WB
FROM
DISPLAY PWB
5 6 7 8
4 3 2 1
SURROUND
CONTROL
1
2
PROTECT P_STB
FROM
DISPLAY PWB
1 2 3 4 5 6 7
M_GND M_12V USWD_5.6V P_CONT D_GND
FROM
DISPLAY PWB
KIA4558P
CNP803
CNP702
IC201
CNP703
CNP701