Read Sharp SD-AT100 (serv.man5) Service Manual online
– 75 –
SD-AT100H
Figure 75 SCHEMATIC DIAGRAM (4/23)
7
8
9
10
11
12
6
5
4
3
2
7
8
1
3
1
2
+12V
A_GND
PROTECT
SW_GND
SW_OUT
R
L
V
A_GND_A
A_GND_V
IND2
IND1
1
2
3
GND
VEE
INH
Z-COM
Y-COM
X-COM
C
B
A
0X
1X
0Z
1Z
0Y
1Y
VCC
8
7
6
5
4
3
2
1
16
15
14
13
12
11
10
9
1
2
3
1
2
3
V-MODE
RGB
S
V
4
3
2
1
8
7
6
5
SCL
SDA
ASPECT
4
3
2
1
9
9
MODE_SEL
V_MUTE
ASPECT
+11.5V_RELAY
LIN_2
LIN_4
RIN_4
RIN_2
CVBS_4
CVBS/LUMA_3
CVBS/LUMA_1
CVBS/LUMA_1
RED/CHROMA_3
CVBS/Y_2
CHROMA_2
RED/C
_
1
PHONO_L
PHONO_R
MONO
RIN5
LIN5
ROUT2
LOUT2
AUD_BIAS
SDA
SCL
VID_GND
LIN3
RIN3
AUD_Vcc
VIN16
ROUT1
LOUT1
DIG_Vcc
RTV
LTV
DIG_GND
HW_MUTE
VOUT7
VIN6
VIN3
AUD_GND
LOGIC
FNC_TV
11 12 13 14 15 16 17 18 19
6
7
8
9 10
32
31
30
29
28
27
26
25
24
23
22
21
20
6 45 44 43 42 41
39 38 37 36 35 34 33
40
CHASSIS
CHASSIS
CHASSIS
C
Y
C
Y
V
42
20
19
43
40
41
6
5
14
20
12
10
13
11
MAIN PWB-A (1/2)
FROM
DVD SERVO PWB
P90 1 - B
P72 1 - E, 2 - A, 4-H
TO MAIN PWB
P72 1 - E, H, 5 - H, P73 12 - E
TO MAIN PWB
CV03
100P(CH)
CV37
10/16
10/16
CV38
0.01
RV51
100
RV52
100
CV40
10/16
CV39
10/16
CV41
10/16
RV53
560
RV54
560
CV42
10/16
QV09
KTC4375 Y
RV5
1K
RV6
75
CV92
47/6.3
CV93
47/6.3
RV78
1K
RV77
1K
CV65
4.7/25
CV66
4.7/25
RV76
1K
RV75
1K
CV68
100/16
CV72
0.001
ICV04
NJM2268M
OPE AMP.
CV55
22/16
22/16
CV54
100/16
CV53
0.1
RV39
75
RV38
75
ICV07
NJM7806D
VOLTAGE REGULATOR
CV83
0.1
CV82
0.1
CV81
1/50
DV05
KDS160
RV63
1K
CX06
0.001
0.001
CX04
0.001
0.001
CX05
0.001
0.001
CV09
0.001
0.001
DV02
KDS160
CX02
0.001
CX03
0.001
0.001
CX01
0.001
0.001
CV10
0.001
0.001
DV03
KDS160
DV04
KDS160
DV01
KDS160
RV34
75
CV02
47P
(CH)
RV04
47K
CV01
47P(CH)
RV03
47K
RV35
75
RV01
27K
RV02
27K
CV57
1/50
CV58
1/50
QV17
KRC111 S
DV15
KDS160
CV74
0.1
CV70
100/16
ICV02
HC4053FT
SWITCH
DV18
KDS160
QV18
KRC111 S
CV78
1
CV77
1
DV16
KDS160
DV17
KDS160
QV19
KRA107 S
RV92
22K
CV48
0.01
RV91
2.7K
RV90
3.3K
SWV01
VIDEO OUT
SELECTOR
RV28
10K
RV59
560
RV87
330
RV42
10K
CV43
2.2/50
CV45
10/16
CV46
0.01
CV47
2.2/50
RV55
220
RV56
220
RV57
220
CV50
100P
(CH)
CV49
100P
(CH)
CV29
22/16
RV29
75
CNPV02
CNPV01
CV84
47/6.3
RV69
1K
RV68
1K
RV66
1K
RV67
1K
CV26
2.2/50
CV24
2.2/50
CV25
2.2/50
ICV01
CXA2125Q
SCART VIDEO SWITCH
SOV03
VTR INPUT
TERMINAL
VTR INPUT
TERMINAL
SOV04
S-VIDEO/VIDEO/
SUBWOOFER OUTPUT
TERMINAL
DV06
KDS160
KDS160
RV64
1K
1K
P72 2 - A
TO MAIN PWB
VIDEO OUT SIGNAL
VIDEO IN SIGNAL
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