3. TROUBLE SHOOTING
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START
YES
YES
OK?
Check Next step
NO
NO
Not good
Check TP1 High Level ?
(2.5V≤TP1 ≤3.0V)
The Problem may be Logic part
Refer to Logic trouble shoot
The Problem may be Logic part
Refer to Logic trouble shoot
Replace U1302
Check High Level
of each mode ?(1.4V≤TP2/TP3 ≤3.0V)
Check U1302 physical Damage
or soldering condition
Check the Ant Logic
in each mode
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