Portable In Function Check - LG XC62-A0U Service Manual

13. PORTABLE IN FUNCTION CHECK

PORTABLE IN function check
YES
Check JK32 connection.
YES
Check
IC200(BU4052)_
PIN5, 14 input
waveform.
YES
Check IC200(BU4052)_
PIN3, 13 output waveform.
YES
Check
IC801(MC4580)_PIN 2, 6
input waveform.
YES
OK
LGE Internal Use Only
Check
NO
IC200(BU4052)_PIN16
VDD, PIN8 VSS
power.
YES
Replace IC200
Check
NO
IC801(MC4580)_PIN4
VSS, PIN8 VDD
power.
YES
Replace IC801
3-15
NO
Check µ-COM(IC301)_
PIN83, 84 commucation.
NO
Refer to
SMPS troubleshooting.
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