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Here are pictures of my board. It is not uncommon for manufacturers to make changes on their boards. Well, looks like Last Chance Saloon,before the Backlights become the Main suspects,so I would resolder the Inverter transformers,and datasjeet other joints between the secondary and the Lamp sockets,eg the small Blue Caps etc etc. Changing all caps on the power board, except the big one, fixed it. Attached are pictures from after the 3 caps were replaced. Here’s the Dattasheet from mouser.
Okay So I am a newbie. I am unable to find dataeheet data sheet on the controller; if a data sheet could be located it should be very easy. Ok thanks all for the feedback.
Bad caps are still plaguing things inI have the same Samsung b, same problem Replaced picofuse with litle wire. What part did you change? Did they really think he would give them the entire formula???
I have a samsung b.
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Okay so I got the pictures. Thanks again badcaps forum!
Can you vit3195g a number on the 16 pin back light controller? Anyone have any ideas? Power light is on. Show 40 post s from this thread on one page. Check for proper voltages at the inverter.
Thanks for yor effort helping me. Im not very good in electronic to track it to the controller. I had a similar problem with my Samsung B as well. There are other ways but this is maybe the best way for you.
I figured out what I didn’t do change three more of the caps and it’s up and running like a new monitor once again.
Thank you every one for all the great knowledge on this thread and on this forum. I did the whole power on and check with a flash light. If these are correct, trace the signals from the connector to the inverter controller. Symptoms upon turning it on were no reaction but the rapidly blinking led as well.
BITG Datasheet PDF – Inverter Controller – Bitek
Originally Posted by alexanna Post I am unable to find a data sheet on the controller; if a data sheet could be located it should be very easy. Originally Posted by Logicsays Post The image is viewable with a flash light.
Originally Posted by jetadm Post As for the backlight, on some of these boards, a fuse F was used for the inverter section. If I can get this working, I will absolutely change them. Any help would be appreciated and I will get some pictures of the boards.
Any idea where else to look? Thanks again for the responses. Check to see if it’s open. They looked as good as new.
I have done some testing and I am in a cross roads as to what I should do next. I measured resistance in transformers secondaries onboard and they are similar. What else to check? I’m going to check it out and see if its tests good. Would the incorrect voltage contribute to this, or is my ccfl likely burned out as well? I think I found the fuse under a glob of rubber stuff. The backlights come on and the screen is white. Well, I’m no expert on electronics.
Page 3 of 4. I get the rapid blinking power LED no button functions. I learn quickly but I was following this thread from the start and i replaced the caps.