Microphone Trouble - LG KG225 Service Manual

4.14 Microphone Trouble

TEST POINT
CIRCUIT DIAGRAM
VINNORP
VINNORN
R219
C223
R217
Figure 23
2V5_VMIC
R213
1K
R215
2.2K
R216 100 R217 0
C220
39p
C223 0.1u
R219 100
R220
2.2K
- 71 -
4. TROUBLE SHOOTING
C220
R208
C219 C215
10u
39p
C221
39p
CLOSE TO MIC
MIC200
1
2
OB4-15L42-C33L