Hi there, not sure if you can help me. I have a j600 and the past few days the problem has got worse. Firstly the display reversed itself periodically and then the display would go all together and then come back. Now the phone just lights up but i am unable to see what is happening. I can still recieve calls. Kind regards. Mark
Re: phone screen lights up but with no picture etc
Hey there is a tape wire which is connected to the motherboard and the display..... when u open your slide phone again and again at short intervals..... the tape wire breaks up....... get ur cell checked. it may cost ranging from Rs. 300-400...... tc.....
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my samsung sghj600 freezed and is not responding to any command yet since last few months before. What shall I do? One day I seen my mobile screen showing me all menus are question marks. At that time I was shutt down my device and pick off the battery. After sometimes I has pushed the switch button. But can't open yet; it has been freezed to till.
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
Blue screen that has gotten worse over the past few days, I would suspect fluid on your signal board.
The three CRT's in the TV has coolant that tries to keep them cool but they have a problem with the 'glycol' leaking out of it's chamber.
Take speaker grill off, remove panel and look on the right side of opening. Look for fluid on the board, shinny substance, it's hard to see so look closely. That is the most common problem.
2&3 are the CRT's or the CRT's drive circuit.
Good Luck, Day,let me know, Big Irish.