Read Sharp AM-300 (serv.man4) Service Manual online
AM-300DE
6 – 4
4. User I/F, Regulator Block (3/10)
H
I
A
B
C
D
E
F
G
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
6
5
4
3
2
1
R105 N.M.
BAT1T
N.M.
DG
+3.3V
A1
A2
K
D3
N.M.
VBAT
VBAT
TP4
C55 N.M.
C77 N.M. (1608)
3
IC7 N.M.
VIN
V
OUT
VSS
1
2
C78 N.M.
(1608)
VRTC
TP5
VRTC
DG
IC8
FAN1117AD18X
D4
1SS355
A
K
32
1
VIN
GND
VOUT
+1.8V
+1.8V
TP6
C81 47U/16V
C80 0.1U
DG
+3.3V
C79 0.1U
C82
1U
(1608)
AG
+5V
3
4
AG
2
5
1
VOUT
VSS
N.C.
CE
VIN
IC9
XC6219B332PR
+3.3VR
C83 1U
(1608)
AG
DG
AG
R135 0
(1608)
R134
0
(1608)
/SEN2
/SEN1
/STRB0
/SEN3
VLED
/SEN0
/STRB1
C95
100P
C92
270P
C94
100P
C98
N.M.
C97
100P
C93
270P
C96
100P
R109
33
R108
33
R107
33
R110
33
TP10
TP14
TP12
TP8
DG
DG
16
14
12
10
8
6
4
2
HLW16S-2C7
CNPN
STRB1
STRB0
SEN3
SEN2
SEN1
SEN0
DG
VLED
1
3
5
7
9
11
13
15
16
14
12
10
8
6
4
2
STRB2
STRB3
STRB4
STRB5
STRB6
STRB7
+3.3V
E
15
13
11
9
7
5
3
1
TP11
TP13
TP9
TP7
+3.3V
DG
C87
270P
C88
270P
C85
270P
C86
270P
C89
270P
C91
0.1U
C84
270P
C90
270P
/STRB4
/STRB6
/STRB3
/STRB7
/STRB2
/STRB5
DG
R106 4.7K
LCD_E
PB_DATA[7:0]
PB_DATA0
PB_DATA2
PB_DATA7
PB_DATA6
PB_DATA3
PB_DATA1
PB_DATA5
PB_DATA4
R115
270
R116
270
R121
270
R117
270
R118
270
R122
270
R119
270
R120
270
C99 0.1U
DG
18 16 14 12 9 7 5 3
20
10
IC10
74LV244A
1A1 1A2 1A3 1A4 2A1 2A2 2A3 2A4
1G 2G
1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4
VCC
GND
2 4 6 8 11 13 15 17
1 19
/PANEL_CS
+3.3V
33K
33K
33K
33K
R112
R114
R111
R113
/SEN1
/SEN3
/SEN2
/SEN0
/MDREADY
/MDCRDY
/EXHS
/MEPRDY
+3.3V
(1-C5)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(1-A4)
(3-D2)
(3-C1)
(3-C1)
(3-C1)
(3-C1)
(1-C5)
(1-B5)(5-B5)
(3-F3) (3-F3) (3-F3) (3-F3)
(5-E1)
(6-B5) (6-B5) (6-B5)
User
I/F,
Regurator
Block
3/10
+
+
+
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