Troubleshooting Procedures By Ass’y; No Power - Samsung CS-29Z45Z3Q Service Manual

4-1-3 Troubleshooting Procedures by ASS'Y

1 NO Power

- Power part of the Main Board Check.
No Picture & No Sound
Is the power cord or the master
switch out of order?
Yes
Check the FUSE "LP801S"
Yes
Change "LP801S"
Yes
Complete
FP801S
D801S
SMPS POWER IC
Samsung Electronics
Yes
Check the "D801S" #1
No
Change "D801S"
Yes
Check the IC801S #1
5Q0765R
No
Change "IC801S"
Troubleshooting
Check the others part
FD801S
SOUND IC
D809A
4-7