- 62 -
TEST POINT
CIRCUIT
2
0
1
8
F
C
P
T
0
0
1
Q
1
1
D
2
2
D
3
3
D
6
4
D
7
5
D
6
D
8
4
S
G
5
E
G
R
A
H
C
V
T
A
B
V
2
.
0
8
0
1
R
7
2
1
C
u
0
1
2
0
S
U
C
0
0
1
D
G
H
C
V
5
A
3
R
L
E
S
M
E
M
V
8
B
E
S
N
E
S
T
A
B
V
5
B
_
C
N
5
B
7
B
_
C
N
7
B
6
1
G
6
1
G
_
C
N
1
R
1
R
_
C
N
5
1
T
_
C
N
5
1
T
6
A
E
V
I
R
D
E
T
A
G
5
T
1
T
E
N
_
D
N
G
E
S
N
E
S
I
7
A
0
3
3
9
0
1
R
R108
Q100
D100
4.4 Charging Trouble
4 . TROUBLE SHOOTING
Summary of Contents for B2050
Page 7: ... 6 2 PERFORMANCE 2 PERFORMANCE 2 1 H W Features ...
Page 8: ... 7 2 PERFORMANCE ...
Page 9: ... 8 2 PERFORMANCE 2 2 Technical Specification ...
Page 10: ... 9 2 PERFORMANCE ...
Page 11: ... 10 2 PERFORMANCE ...
Page 12: ... 11 2 PERFORMANCE ...
Page 13: ... 12 2 PERFORMANCE ...
Page 57: ... 56 3 Checking Ant SW Mobile SW 4 TROUBLE SHOOTING ...
Page 67: ... 66 TEST POINT 4 6 LCD Trouble 4 TROUBLE SHOOTING ...
Page 70: ... 69 4 TROUBLE SHOOTING TEST POINT 4 7 Speaker Trouble ...
Page 77: ... 76 4 TROUBLE SHOOTING 4 10 KEY backlight Trouble TEST POINT ...
Page 92: ...5 DOWNLOAD AND CALIBRATION 91 5 2 Calibration ...
Page 93: ... 92 5 DOWNLOAD AND CALIBRATION ...
Page 97: ......
Page 103: ... 102 Figure 8 1 B2050 BOTTOM SIDE PCB LAYOUT 8 PCB LAYOUT ...
Page 104: ... 103 8 PCB LAYOUT Figure 8 1 B2050 TOP SIDE PCB LAYOUT ...
Page 105: ......
Page 113: ...10 STAND ALONE TEST 112 ...
Page 117: ......
Page 119: ......
Page 132: ... 131 ...
Page 133: ... 132 ...