LG KE600 Service Manual - Page 114
GSMK Control Signal, Checking Flow, PSK Control Signal
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5. Trouble shooting Checking Flow Check Control Signals (R611, R612, R613) Signals are Normal ? Yes PAM Control Signal is OK. See next page to check FEM & Mobile SW Circuit. No Check PMB8876(U101) Figure 28. GSMK Control Signal Figure 29. 8PSK Control Signal - 115 -
5. Trouble shooting
- 115 -
Figure 28. GSMK Control Signal
Checking Flow
Check Control Signals
(R611, R612, R613)
Signals are
Normal ?
Check
PMB8876(U101)
Yes
No
PAM Control Signal
is
OK.
See next page to check
FEM & Mobile SW Circuit.
Figure 29. 8PSK Control Signal