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Mio336i PDA Maintenance
Mio336i PDA Maintenance
8.3 LCD Display Abnormal
The LCD shows abnormal picture.
LCD_R3
LCD_R5
LCD_G0
LCD_G1
LCD_G2
LCD_R4
LCD_R1
LCD_R2
17
VCC_5V
R87
200K
VR1
VR100K
R89
68K
C103
4.7
µ
VCOM
42
VCC3_LCD
C106
0.1
µ
36
VCC_5V
C108
0.1
µ
13
VCC_-15
C109
0.1
µ
11
VCC_+15
C110
0.1
µ
9
U19
LCD Timing
Controller
P
9
J4
L
C
D
P
ane
l Co
nne
cto
r
49
R103
200
AP
VDE
VCK
HSP
HCK
STB
POL
8
10
12
34
35
38
39
COM
R102
200
R101
200
R94
200
R92
200
R95
200
R99
200
RO4
D04
L26
300Z/100MHz
L27
300Z/100MHz
BO[4,5], GO[0,1]
GO[3:5]
VCC3_LCD
R220
100K
VCC_IN
C153
10
µ
BL_PWM
1
2
4
10
ANODE
L13
10UH
D13
M1FS4
1
5~7
8
CATHODE
2
U28
MP1521
BL_ON/OFF#
P
9
U1
Intel
PXA255/
Cotulla
Processor
P
4
RP2
22*8
67
66
65
37
39
35
32
INV
40
R97
200
R93
120Z/100MHz
37
BO[0:3]
34
42~45
L25
300Z/100MHz
L28
300Z/100MHz
RO[0:3]
D[20:23]
D[24,25,10,11]
D[12:15]
D[00:03]
R90
120Z/100M
R91
120Z/100M
RO5
D05
16
R150
20
From U36 in the page 16
R149
100K
LCD_G3
LCD_G4
LCD_G5
LCD_B1
LCD_B2
LCD_B3
LCD_B4
LCD_B5
LCD_MCK
LCD_DE
LCD_OEN
RP3
22*8
R24
22
R25
22
R23
22
R96
0
29
27
25
R148
130K
11
22
19
18
17
16,23
15
13
12
10
9
6
5
4
3
2,8
VCC3_LCD
1,14,21,31
VSP
Summary of Contents for Mio336i
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