LG GD580 - Page 143

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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. Trouble Shooting
Phone
Oscilloscope
Notebook to send
TP command
Figure 4-18-3. Connection for Checking Control Signal
Figure 4-18-2. Schematic (Control Signal)
TP1
[RF_CTRL_STR1]
TP2
[RF_CTRL_DATA]
TP3 [RF_CTRL_CLK]
p
2
.
883
1
C
60
1
U
N
H5916MO_00
1
3FR
20 19 18 17 16 15 14 13 12 11
0
1
9
8
7
6
5
1_
XT
3
C
N
XT
O
LCC
V
AIX
T
BIX
T
AQXT
B
Q
X
T
VGACTL DATA CLK EN REFIN NC4 RXIA RXIB RXQA RXQB
N
_Q
_
X
T
W
P
_
Q
_
XTW
N
_
I
_
X
T
W
P_I_X
T
W
K
L
CW
BR
T
S
_
L
R
TC
_
FR
A
T
A
D
_
L
R
T
C
_
FR
K
LC_
L
R
T
C
_
F
R
TP2
[RF_CTRL_DATA]
TP3
[RF_CTRL_CLK]
TP1
[RF_CTRL_STR1]