Service manual

FO-4400U
FO-CS1
VEE
(7-4G)
(7-3G)
(7-3G)
(7-3G)
(7-3G)
(7-4G)
(7-4G) (7-4G)
( 1-5B) ( 1-2B)( 2-3A) ( 3-1A)( 4-4A) ( 7-3B)(11-5H) ( 7-4G)
(7-3G)
1
2
VOUT
1
VDD
2
EXT
5
NC
3
VSS
4
1
3
2
YD
16
LP
15
VSS
14
XCK
13
VSS
12
M
11
DISP
10
VDD
9
VEE
8
VSS
7
D0
6
D1
5
D2
4
D3
3
VSS
2
VSS
1
R190
C5
CE9
+
R136 R140
R182
D5
R147
R146
C171
10K
C133
R138
R145
R142
R137
C164
Q2
C173
R181
CE8
+
Q3
F102
R184
CE10
+
Q103 R185
L1
C130
Q104
R143
Q109
CE7
+
C160
CE5
+
C172
C165
R186
C131
C158
R183
C159
C132
R144
IC4
R13
R139
C2
Q108
N.M.
C3
Q105
C161
R148
R141
CNLCD1
CNLCD
C4
LCDDG
LCDDG
LCDDG
LCDDG
LCDDG
LCDDG
+LCD5V
+LCD5V
LCDDG LCDDG
LCDDG
LCDDG
DG
LCDDG
LCDDG
LCDDG
LCDDG
+LCD5V
DG
+5V
LCDDG
DG
+3.3V
DG
DG
LCDVECNT
LCDPWR
/RESET
XCK
FPD1
YD
FPD0 FPD3
LP
FPD2
M
DISP
A A
B B
C C
D D
E E
F F
G G
H H
6 6 5 5 4 4 3 3 2 2 1 1
LCD power control block 8/12
6 – 11