LG KP260 Service Manual page 48

CHECKING FLOW
For these 2 test case,
No Call connection is needed
Check SW500 Pin ANT,RF
with RF Cable connected.
Check SW501 Pin ANT,RF
with No RF Cable Connected
Check TP4,5,6
Check whether Ant SW
Set as TX mode
Refer to Table 4.2.2
For this RF Level test case,
TX Stand alone Mode is needed refer
to chapter 10
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Open
Yes
Short
Yes
No
Check TP12,13,14
Yes
Ant SW & Mobile SW is OK
See next Page to check
Tx I/Q Signal
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4. TROUBLE SHOOTING
No
Changing SW500
No
Changing SW500
Changing the Board.
GSM850_EGSM TX
DCS_PCS TX
GSM850 RX
EGSM900 RX
DCS1800 RX
PCS1900 RX
ANT_SW1 ANT_SW2
H H
L H
L
H
H L
L L
L L
LGE Internal Use Only