101
SAMSUNG ELECTRONICS
10-2-14 No power outdoor (Initial Diagnosis) (Not displayed)
1. Checklist :
1) Is input power normal?
2) Is AC power linked correctly? (L,N,E)
3) Is mis-wiring between communication wire and Power wire?
4) Is mis-wiring between Main PBA and SMPS PBA wire?
5) Is input voltage of SMPS AC in Main PBA (CN150) normal?
6) Is the voltage of SMPS DC in Main PBA (CN151,CN152) normal?
2. Troubleshooting procedure
Unplug the power cord
Restart after power o.
Is the power cable from
terminal block to PBA is correct?L :CN002, N:CN001,
EARTH:CN003
Check the fuse open or not? (F001)
YES
YES
Reconnect the power wire correctly.
NO
Exchange the Main PBA
NO
Is the power normal?
Is AC power is normal for SMPS?
CN150 : 220Vac~240Vac
NO
YES
NO
YES
Check the power source.
Exchange the Main PBA
Check SMPS wire connection
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