5. Trouble shooting
- 82 -
5.4 LCD display trouble
Check Points
-LCD assembly status ( FPCB)
-EMI filter soldering
-Connector combination
ZD1
ICVE10184E150R101FR
FL306
5
G1
G2
10
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
5
G1
G2
10
1
INOUT_A1
INOUT_A2
2
3
INOUT_A3
INOUT_A4
4
INOUT_B1
9
8
INOUT_B2
INOUT_B3
7
6
INOUT_B4
C311
1u
ICVE10184E150R101FR
FL305
47
R324
R323
47
2V72_IO
47
R325
47
R326
2V72_IO
INOUT_A2
INOUT_A3
3
4
INOUT_A4
9
INOUT_B1
INOUT_B2
8
7
INOUT_B3
INOUT_B4
6
FL307
ICVE10184E150R101FR
G1
5
10
G2
INOUT_A1
1
2
ZD2
30
17
18
19
20
21
22
23
24
G1
G2
G3
G4
14
15
2
3
4
5
6
7
8
9
16
25
26
27
28
29
CN303
1
10
11
12
13
R317
100
R315
100K
MLED_A
MLED_C1
MLED_C2
MLED_C3
MLED_C4
DIF_RESET
DIF_CS
DIF_WR
DIF_CD
DIF_D(0:7)
DIF_D(0)
DIF_D(1)
DIF_D(2)
DIF_D(3)
DIF_D(4)
DIF_D(5)
DIF_D(6)
DIF_D(7)
Check signal line disconnection
of the LCD FPCB
At first check the LCD back light
enable signal
Check signal
flow via EMI
filter
Содержание KE820
Страница 1: ...Service Manual Model KE820 Service Manual KE820 Date August 2006 Issue 1 0 ...
Страница 3: ... 4 ...
Страница 5: ... 6 ...
Страница 46: ...3 TECHNICAL BRIEF 47 Figure 18 EN SET port control method ...
Страница 69: ...4 PCB layout 70 Figure 45 Main PCB bottom Figure 46 Main PCB bottom placement ...
Страница 70: ...4 PCB layout 71 Figure 47 Sub PCB top Figure 48 Sub PCB top placement ...
Страница 71: ...4 PCB layout 72 Figure 49 Sub PCB bottom Figure 50 Sub PCB bottom placement ...
Страница 114: ...6 Download S W upgrade 115 6 2 Download program user guide ...
Страница 115: ... 116 6 Download S W upgrade ...
Страница 116: ... 117 6 Download S W upgrade ...
Страница 117: ... 118 6 Download S W upgrade ...
Страница 124: ... 125 8 PCB LAYOUT ...
Страница 125: ... 126 8 PCB LAYOUT ...
Страница 126: ... 127 8 PCB LAYOUT ...
Страница 127: ... 128 8 PCB LAYOUT ...
Страница 129: ...9 RF Calibration 130 9 2 3 Click SETTING Menu 9 2 4 Setup Ezlooks menu such as the following figure ...
Страница 131: ...9 RF Calibration 132 9 2 7 Select MODEL 9 2 8 Click START for RF calibration 9 2 9 RF Calibration finishes ...
Страница 132: ...9 RF Calibration 133 9 2 10 Calibration data will be saved to the following folder Saving format year month day_PASS ...
Страница 136: ... 137 11 STANDALONE TEST 4 Click Update Info for communicating Phone and Test Program Connected ...
Страница 141: ... 142 ...
Страница 161: ...Note ...
Страница 162: ...Note ...