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Problem is that backlights arent working at all. 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.
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 Datashee look closer.
Changing all caps on the power board, except the big one, fixed it. What part did you change? Okay So I am a newbie. Attached are pictures from after the 3 caps were replaced.
BITG PDF Datasheet, Equivalent part search
Dataasheet 40 post s from this thread on one page. Maybe, but measure the resistance of the secondaries of both of the Inverter transformers, they should be very very similar measurements. I replaced all caps and picofuse but still no backlight.
Check for proper voltages at the inverter. Thanks for yor effort helping me. Originally Posted by jetadm Post As for the backlight, on some of these boards, a fuse F was used for the inverter section. Well, looks like Last Chance Saloon,before the Backlights become the Main suspects,so I would resolder the Inverter transformers,and all other joints between the secondary and the Lamp sockets,eg the small Blue Caps etc etc.
BIT3195G PDF Datasheet Search Results
Here are pictures of my board. Referencing other people’s pictures doesn’t help datsaheet diagnose YOUR problem. 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. It is not uncommon for vit3195g to make changes on their boards. Well, I’m no expert on electronics. Bright as daylight and stable too. Did they really think he would give them the entire formula???
I know it’s no suprise with the white but here is what has me dumbfounded when the cable for the screen is connected the I get just the blinking LED. If I can get this working, I will absolutely change them. Has been working ever since.
BITG PDF – Inverter Controller – Bitek –
Can you read a number on the 16 pin back light controller? I have Samsung BF and have problem with backlight. Any idea biy3195g else to look? If I disconnect the video cable to the monitor I gain control of the buttons. Before doing any work neither the lcd or the backlight was working. Can we clear and focused picture of YOUR boards? I did the whole power on and check with a flash light. Any help would be appreciated and I will get some pictures of the boards. I still will take some pics if I ever get some time.
Anyone have any ideas? I have done some testing and I am in a cross roads as to what I should do next. 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. I am unable to find a data sheet on the controller; if a data sheet could be located it should be very easy. Im not very good in electronic to track it to the controller.
Power light is on. Where else to look? Can we get clear and focused datashet of YOUR boards? They looked as good as new. I measured resistance in transformers secondaries onboard and they are similar. It may be covered by white glue. Symptoms upon turning it on were no reaction but the rapidly blinking led as well.
Originally Posted by Logicsays Post I replaced the three bulged caps. Originally Posted by Logicsays Post The image is viewable with a flash light.
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 Datashret Power light stays on etc etc etc.