No Power Outdoor (Initial Diagnosis) (Not Displayed) - Samsung AR07MSPXASINEU Service Manual

102-14 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
terminal block to PBA is correct?L :CN002, N:CN001,
Check the fuse open or not? (F001)
Is AC power is normal for SMPS?
Check SMPS wire connection
Samsung Electronics
Unplug the power cord
Is the power cable from
EARTH:CN003
YES
YES
Restart after power o .
Is the power normal?
YES
CN150 : 220Vac~240Vac
YES
NO
Reconnect the power wire correctly.
NO
Exchange the Main PBA
NO
Check the power source.
NO
Exchange the Main PBA
MODEL
ALL
10-16