Only For Training And Service Purposes - LG KP105 Service Manual

4. TROUBLE SHOOTING
Checking Flow
Check L201/L202,
R221/R229
L201 & L202 bias will
Fluctiate signal above
1.2V
LGE Internal Use Only
Make a call
YES
Check component
status
YES
Check
TP1 & TP2
OK
Check the Contact
Of Receiver
OK
Replace U103 or
Replace PCB
- 72 -
NG
Re-solder or
replace the Component
Re-solder or
NG
replace the Component
Re-Assemble or Re-place
NG
Receiver
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Only for training and service purposes