- 80 -
4 . TROUBLE SHOOTING
4.12 Receiver Trouble
TEST POINT
CIRCUIT DIAGRAM
0
0
2
N
C
1
2
6
4
1
N
I
8
2
N
I
1
C
N
5
7
2
C
N
2
1
O
N
0
1
2
O
N
1
+
V
2
R
M
4
8
6
4
S
A
L
N
2
0
2
U
1
M
O
C
3
2
M
O
C
9
D
N
G
T
A
B
V
8
9
2
C
A
N
A
N
9
9
2
C
0
2
2
C
u
0
1
P
_
K
P
S
N
_
K
P
S
N
_
C
E
R
L
E
S
_
K
P
S
P
_
C
E
R
p
9
3
0
4
1
C
p
9
3
3
4
1
C
4
4
1
C
p
9
3
9
3
1
C
p
9
3
4
1
1
R
7
.
4
7
.
4
1
1
1
R
p
9
3
1
4
1
C
SGND1
T8
SGND2
R8
DGND
M2
2
C
I
P
G
N15
LGND
6
1
K
N
3
T
U
O
A
6
1
J
P
3
T
U
O
A
AGND1
B16
AGND2
A1
1
5
1
K
N
1
T
U
O
A
P
1
T
U
O
A
5
1
J
9
T
1
N
2
T
U
O
A
9
R
2
N
2
T
U
O
A
1
1
R
1
P
2
T
U
O
A
1
1
T
2
P
2
T
U
O
A
E
N
O
T
G
N
I
R
P
_
K
P
S
_
T
E
S
D
A
E
H
N
_
K
P
S
_
T
E
S
D
A
E
H
N
_
C
E
R
P
_
C
E
R
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 ...