- 50 -
4 . TROUBLE SHOOTING
(3) Checking FEM & Mobile SW
TEST POINT
CIRCUIT
Waveform
Figure 4-5
FEM Control GSM & DCS
Graph 4-3(a)
FEM Control PCS
Graph 4-3(b)
1
1
_
O
P
G
9
_
O
P
G
0
1
_
O
P
G
2
1
5
C
p
2
.
2
A
N
2
0
5
C
A
N
3
0
5
C
0
5
1
5
R
7
1
5
R
0
ANT
G1
G2
RF
SW500
KMS-507
H
n
0
1
7
1
5
C
A
N
0
0
5
C
2
0
5
P
T
2
1
5
R
0
1
0
5
P
T
7
1
5
1
X
R
_
S
C
P
2
X
R
_
S
C
P
6
1
C
V
7
4
1
2
C
V
3
C
V
6
1
11
T
N
A
X
T
_
S
C
P
_
S
C
D
5
1
3
1
X
R
_
S
C
D
2
X
R
_
S
C
D
4
9
1
1
D
N
G
3
1
2
D
N
G
2
1
3
D
N
G
4
D
N
G
9
1
1
X
R
_
M
S
G
2
X
R
_
M
S
G
2
X
T
_
M
S
G
0
0
5
L
F
8
5
1
-
A
H
C
7
P
S
M
L
9
3
5
C
p
0
7
2
p
0
7
2
7
3
5
C
p
0
7
2
0
5
5
L
H
n
8
.
1
5
3
5
C
p
2
2
3
4
5
C
0
0
5
P
T
1
W
S
_
T
N
A
2
W
S
_
T
N
A
3
W
S
_
T
N
A
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 ...