Sharp SD-AT1000 Service Manual page 34

1-bit digital home theater
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SD-AT1000
A
B
VF2
1
1
VF1
2
3
–VP FOR FL
3
4
AC_RELAY
4
5
SP_RELAY
5
6
C
D
R794
1.8K
E
SW701
SW702
DIGITAL
LINE
F
+B
G
BI703
1
2
P40 1 - E
TO PROTECT CIRCUIT PWB
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 11.
1
All manuals and user guides at all-guides.com
1
2
C701
1/50
RED
TIMER LED
LED701
304VT2E3
R798
10K
R795
R796
R797
1.2K
1.5K
1K
SW703
SW704
SW705
TUNER
TUNING UP
TUNING
(BAND)
DOWN
R788
10K
SW706
R789
10K
POWER
D704
MA111
R793
100K
RM723
R753
4.7K
2.7K
JOG701
JOG VOLUME
C720
0.001
+B
RM721
10K
GND
3
4
5
6
CNS01
2
3
Figure 34 SCHEMATIC DIAGRAM (5/11)
3
4
5
6
7
8
9 10 11 12
13
14
15
16
17
80 79 78 77 76 75 74 73 72 71 70
81
DIG8
82
DIG7
83
DIG6
DIG5
84
DIG4
85
86
DIG3
87
DIG2
DIG1
88
89
VEE
R701
1K
L_MUTE
90
R702
1K
91
W_S_MUTE
R703
1K
92
F_S_MUTE
R704
1K
93
C_S_MUTE
R705
1K
94
S_S_MUTE
R706
1K
95
S_MUTE
R707
2.2K
96
TIMER LED
97
GND
C702
C703
150P(CH)
10/16
L701
98
VREF
2.2 µH
R708
99
AREA
1K
KEY1
100
R709
1K
1
2
3
4
5
6
+B
R790
10K
R791
15K
R752
4.7K
+B
27 26 25 24 23 22
21
27
4
– 34 –
FL701
FL DISPLAY
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
69
68
67
66
65
64
63
62
61
IC701
IX0558AW
SYSTEM MICROCOMPUTER
7
8
9 10 11 12 13 14 15 16 17
18
19
20
21
C709~C713:
100P(CH)
12P(CH)
20
19
18
17
16
15
14
13 12 11 10
9
8
7
6
CNP501
P30 1 - F
TO MAIN PWB
5
6
33
34
35
36
60
59
58
57
22
23
C7
R728
220
820
C7
0
C714
+B
+B
5
4
3
2

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