LG KG270 Service Manual page 69
Service manual
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Also See for KG270:
- Service manual (125 pages) ,
- User manual (69 pages) ,
- Manual (113 pages)
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4. TROUBLE SHOOTING
Checking Flow
R300.VMIC=2.5V
MIC_P= about 1.2~1.5V DC
with a few tens mV
Make a call
Check voltage level
of R300
YES
Check component
status around MIC
OK
Check status of MIC
OK
Check the voltage Level
of MIC_P
OK
Replace PCB
- 70 -
NO
Replace PCB
Re-solder or
NG
replace the Component
NG
Re-solder or
replace Microphone
NG
Change Microphone
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