Receiver Trouble - LG C1100 Service Manual

4.6 Receiver Trouble

Test Points
U402
R414
C411
Circuit Diagram
AD6537B
AOUT1P
AOUT1N
U401
C412
R416
Figure 4-18.
SPKN
SPKP
SPK path
MIDI
C406 C407
Closed to Analog SW
47p 47p
R414
RECP
4.7
R416
RECN
4.7
C411
vibrator
VMEM
C409 39p
R405
NA
U402
R406
MAX4684EUB
1 10
NA
V+ NO2
R407
2 9
NO1 COM2
0
3 8
COM1 IN2
R409
4 7
IN1 NC2
0
5 6
NC1 GND
Receiver path
C412
47p 47p
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4. Trouble Shooting
Speaker
Receiver
Soldering
check
C410 47p
SPK_RCV_SEL
R415 100K
SPK_REC_N
SPK_REC_P