You are here: Posts Tagged ‘no power’

Trinium LCD TV 19″ Dead Set Problem

 
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Trinium LCD TV 19″ Dead Set ProblemProblem : Trinium LCD TV 19" Dead Set Problem Power Supply is working fine. The Culprit : Defective 5v LDO Voltage regulator and I replaced it with 7805 V-Regulator. Leak and open Ceramic cap... [ Continue reading... ]

Oct
21

Repairing A Kebos UPS: Power Problem

 
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Repairing A Kebos UPS: Power ProblemEarly this morning, I've got a call from Jollibee ICM regarding to the UPS on one of their POS  because it is not turning on. So I go to there place and checked he unit and I've decided to pull out their UPS to it to IT office to check for the possible cause of the problem. When I arrive in the office, I checked the unit immediately and I've found out that the fuse is blown. So I check the circuit board for the possible cause of blowing the... [ Continue reading... ]

Jan
29

Repairing a Deadset Computer Mini ATX Power Supply

 
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Repairing a Deadset Computer Mini ATX Power SupplyOne of my co-worker brought his dead power supply. This is a power supply of  a slim type desktop computer. The history of this unit, it is a package from abroad and it is rated as 220 voltage source. He plugged the unit to the outlet and shocked when it sparks and the unit is not turning on. So he brings the unit here in the office for repair.         I checked the unit and I found out that the fuse is... [ Continue reading... ]

Jan
20

Repairing AIWA NSX-S505 Mini Component System No Power Problem

 
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Repairing AIWA NSX-S505 Mini Component System No Power ProblemIn this post, I will share to you an article from the Elab Forum about the Aiwa Mini Component that RoYa16 is repairing. It has a no power problem. Won’t power ON but the tape indicator (play, rewind, Fast-forward) have light indicator even it is not power on. So he troubleshoots the main board but it is ok according to him, then after that he troubleshoots next the front board. In the front board, here he saw shorted electrolytic... [ Continue reading... ]

Dec
25

TV Basic Repair Guide: Common Problems

 
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TV Basic Repair Guide: Common ProblemsThis post is for those who want to know the common problems that we will encounter in repairing Television set. I will be posting some common problems and their possible solution and tricks to repair this problem.               CRT-TV-Circuit-Board (Made In China Universal Board) DEFECT: Single Vertical Line In The Center POSSIBLE HINTS :  1.) Check first the vertical IC. Some... [ Continue reading... ]

Nov
18
 
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