LG InTouch Lady Service Manual page 88

4.17.3 Checking GSM Tx part
4.17.3 Checking GSM Tx part
Setup Test Equipnment
Cell power = -60dbm
Tx Power Level Set
GSM850/GSM900 = 5,
DCS/PCS = 0
Yes
Is the level of TP4 same
to Table 4.17.
Yes
TP2, 0dBm over?
TP, dBm over?
Yes
Check TP1,
GSM850, EGSM 2dBm
DCS,PCS 29dBm over?
Yes
Re-download & calibration
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Only for training and service purposes
Yes
No
No
Remove U101 and check
The power of pin1, pin8 (on board)
No
The power of pin1, pin8
Table 4.17.3 GPAM Logic Control
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4. TROUBLE SHOOTING
Check U201
Yes
Replace U101
No
Check U201
LGE Internal Use Only