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Equipment Repairs => LCD TV forum => Topic started by: SUPER8 on June 24, 2008,11:42:22

Title: VESTEL/DUAL DLCD3211
Post by: SUPER8 on June 24, 2008,11:42:22

I HAVE ONE OF THESE VESTEL MODELS UNDER THE DUAL BRAND IN FOR REPAIR THE PROBLEM IS IT WILL RUN WELL FOR ABOUT AN HOUR THEN THE 24V FROM THE PSU SHUTS DOWN ALL OTHER SUPPLIES ARE OK THEN SWITCH TO STAND BY THEN ON IT WILL RUN AGAIN. THE PSU IS NOT VESTEL BUT MADE BY LI SHIN CORPORATION, UK VESTEL  HAVE NO DIAGRAM FOR THIS PSU AND NO RESPONSE FRO LI SHIN,ANY SUGGESTION WILL BE APPRECIATED.

Title: Re: VESTEL/DUAL DLCD3211
Post by: badrick on June 24, 2008,15:12:55

hi, are there any numbers on the board?? or maybe you could post a picture.
andy

Title: Re: VESTEL/DUAL DLCD3211
Post by: SUPER8 on June 25, 2008,06:05:41

Hi, the PSU is made by Li Shin Enterprises International Corporation, the model number is 0420D02216. When it is working you can hear the 24v oscillator running which I find rather strange and the smd driver chip is not one I can identify. Any help?

Title: Re: VESTEL/DUAL DLCD3211
Post by: badrick on June 25, 2008,06:42:47

hi, try changing these caps, C16(22UF50V),C38(470UF35V) C39(470UF35V).

Title: Re: VESTEL/DUAL DLCD3211
Post by: SUPER8 on June 25, 2008,09:59:12

I think I`ve changed all caps on secondry 24v,, thinking of :bomb: