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Maybe, but measure the resistance of the secondaries of both of the Inverter transformers, they should be very very similar measurements. Attached are pictures from after the 3 caps were replaced. Check for proper voltages at the inverter. If I disconnect the video cable to the monitor I gain control of the buttons. What else to check? Any help would be appreciated and I will get some pictures of the boards.
Originally Posted by gypsy Post That fixed it! It’s a small 3A fuse that’s green in color probably bitt3195g near the caps you just replaced.
However now the LCD works but the backlight still does not. Before doing any work neither the lcd or the backlight was working. Problem is that backlights arent working at all.
BITG PDF – Inverter Controller – Bitek –
Got to repair a bf a few days ago. As for the backlight, on some of these boards, a fuse F was used for the inverter section. Others mentioned the fuse being problematic so I was looking for it to test it. Well bright side is I am still mentally challanged.
Also try to get the resolution as close to x as possible. Any idea where else to look? If these are correct, trace the signals from the connector to the inverter controller. I still will take some pics if I ever get some time. I have done some testing and I am in a cross roads as to what I should do next. Show 40 post s from this thread on one page. Okay So I am a newbie. Here are pictures of my board. Referencing other people’s pictures doesn’t help us diagnose YOUR problem.
Originally Posted by jetadm Post As for the backlight, on some of these boards, a fuse F was used for the inverter section.
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I learn quickly but I was following this bit3195f from the start and i replaced the caps. I went to an electronics shop and the guy looked at the power board and got me some new caps to replace the 3 that were bulging. Changing all caps on the power board, except the big one, fixed it.
I’m going to check it out and see if its tests good. 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. Page 3 of 4. I dagasheet the rapid blinking power LED no button functions.
BITG – BITEK – IC Chips – Kynix Semiconductor
I will check again for the fuse, I tried to look in that area but could not see the code f, however that section had a lot of glue on it, so I’ll look closer. I didn’t bit31995g that they exactly matched the old ones. I have a samsung b. Power light is on. More detail on ‘problem with Backlight’, would certainly help,to allow members to maybe help you,eg None work,they work sporadically, they go on and go off Bit3195t Power light stays on etc etc etc.
I am unable to find a data sheet on the controller; if a data sheet could be located it should datasheeg very easy. I hope to get this fixxed nothing like a free 19″ monitor.
What part did you change? Did they really think he would give them the entire formula??? Can we clear and focused picture of YOUR boards? Bad caps are still plaguing things inI have the same Samsung b, same problem Well, I’m no expert on electronics.
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. Here’s the BOM from mouser.
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Replaced picofuse with litle wire. Ok thanks all for the feedback. Check to see if it’s open.