Diagnose Samsung HLS4676S

 

New member
Username: Mrgst

Post Number: 1
Registered: May-10
Hello. I recently inherited a broken 46" Samsung DLP (HLS4676S) TV. The PO had trouble with white spots on the screen. Supposedly, Samsung sent someone out to replace the DMD chip but after the chip replacement, the TV would no longer turn on.

At that point, I acquired the TV. Here are the symptoms:
Plug TV into a/c power, the fans come on and the lamp lights up. A boot-up jingle sounds off and then about 5 seconds later another jingle sounds. Then nothing. No Samsung image on the screen. A few moments later, the fans shut down and the standby led blinks.

A quick seach online turned up a possible bad power supply. I happened to find a used one on eBay so I bought and installed it. No change in behavior.

My question is, what should I try next? The DMD board? Main board? Something else???

Thanks!
 

New member
Username: Mrgst

Post Number: 2
Registered: May-10
Anyone?
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