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Replace uCOM program
Samsung Electronics
No Search operation
FG is input
uCOM from SIC2
19 terminal?
Yes
Reference velocity
signal occurs at SIC2 16
terminal?
Yes
Actual velocity occurs
at SIC2 18 terminal?
Yes
SLEDGS terminal
is ÔLÕ (in search range)?
Yes
A
(Page5-6)
No
Check SIC2 peripheral circuit
1.5Vpp sine
wave occurs at search at
SIC2 3, 21 terminal?
No
Yes
Check SIC2 peripheral circuit
No
Check SLEDGS terminal of
uCOM. Check peripheral circuit.
Thoubleshooting
No
Replace Hall PCB
5-5
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