LG KT520 Service Manual page 156

4.20.4 Checking Control Signal
Test Program Script
MODE=0
SWTX=1,64,7,1024,1
RF_CTRL_CLK
(PIN8)
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
RF_CTRL_DAT RF_CTRL_STR
A(PIN7) B (PIN6)
RF3000
Figure 4-38. Test points of RF control signals
STRB
STRB
CLK
CLK
DATA DATA
Figure 4-39. GSM RF Control signal
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4. TROUBLE SHOOTING
GSM
PAM
LGE Internal Use Only