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4 . TROUBLE SHOOTING
4.15 Indication LED Trouble
TEST POINT
CIRCUIT DIAGRAM
%
1
,
2
1
0
2
E
G
R
A
H
C
V
6
5
3
R
K
7
4
K
5
.
1
5
5
3
R
1
4
1
0
3
Q
0
1
1
T
9
X
M
I
2
56
3
T
A
B
V
u
1
.
0
4
2
3
C
u
1
.
0
5
2
3
C
5
8
5
5
C
S
2
1
0
4
Q
2
3
1
5
1
2
5
3
R
10K
R357
K
1
3
5
3
R
R358
10K
R350
750
6
0
3
D
L
R359
20
T
A
B
V
E
G
R
A
H
C
E
R
P
Q301
Q401
Содержание B2070
Страница 54: ... 53 4 TROUBLE SHOOTING 4 2 TX Trouble TEST POINT 13Mhz OSCILLATOR Mobile SW FEM TRANCEIVER LDO PAM ...
Страница 68: ... 67 4 TROUBLE SHOOTING TEST POINT 4 6 LCD Trouble ...
Страница 72: ... 71 4 TROUBLE SHOOTING TEST POINT 4 8 Speaker Trouble ...
Страница 79: ... 78 4 TROUBLE SHOOTING 4 11 KEY backlight Trouble TEST POINT ...
Страница 96: ...6 Press Start and Pover on the phone using JIG remote Power on Switch 1 5 DOWNLOAD AND CALIBRATION 95 ...
Страница 107: ... 106 8 PCB LAYOUT Figure 8 1 B2070 BOTTOM SIDE PCB LAYOUT ...
Страница 108: ... 107 8 PCB LAYOUT Figure 8 1 B2070 TOP SIDE PCB LAYOUT ...
Страница 109: ... 108 ...
Страница 117: ...10 STAND ALONE TEST 116 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 121: ... 120 ...
Страница 123: ... 122 ...