LG KE820 - Security; PIN code request

5. Trouble shooting
- 111 -
Figure 28. GSMK Control Signal
Checking Flow
Check Control Signals
Signals are
Normal ?
Check
PMB8876(U102)
Yes
No
PAM Control Signal is
OK.
See next page to check
FEM & Mobile SW Circuit
Figure 29. 8PSK Control Signal