LG KG320 - Images and Music Files

4. TROUBLE SHOOTING
- 59 -
(4) Checking RX IQ
Redownload software and calibration again
Similar?
Replace U401
Yes
No
Check C423,C426.
Check if there is any
Major difference
Refer to graph 4-4
8
OUT
BIN
7
BIP
4
BQN
5
BQP
6
C426
39p
39p
C423
IN
IP
QN
QP
TEST POINT
Checking Flow
Waveform
CIRCUIT
Graph 4-4