Forum: Troubleshooting Computer Displays
07-26-2021, 09:25 AM
|
Replies: 19
Views: 9,215
Re: Samsung Syncmaster T220 2 seconds to black
Yes. Just check if "4502C"is written on them. In my experience, changing them has resolved issues with late 2000s Samsung monitors.
Desoldering and soldering is better achieved with hot air + solder...
|
Forum: Troubleshooting Computer Displays
07-25-2021, 11:32 AM
|
Replies: 19
Views: 9,215
|
Forum: Troubleshooting Computer Displays
07-25-2021, 11:21 AM
|
Replies: 2
Views: 654
Re: HP 1955 - Backlight not working
Hello fabianard and welcome to the forum!
This is a well known problem which i remember very well, repairing lots of these Benq PSUs.
In general, there a 7 elements failing, 4x C5707 , 2 x...
|
Forum: Troubleshooting TVs and Video Sources
07-24-2021, 06:25 PM
|
Replies: 9
Views: 981
Re: Vestel 17MB130P short circuit on 3.3V
Maybe you should inject a 3V from a more powerful power supply (or battery) to this rail.
If you are lucky, a smd capacitor will blow up, and the short will clear.
|
Forum: Troubleshooting Laptops, Tablets, and Mobile Devices
10-23-2018, 09:19 AM
|
Replies: 7
Views: 1,858
Re: Emachines E725 no power
Bravo djema dhe urime per dijet!
Me vjen mire qe ne Shqiperine tone te vogel ka persona qe mund te ndihmojne dhe jane ne lartesine e eksperteve ne kete faqe. Bravo!
|
Forum: Troubleshooting TVs and Video Sources
02-22-2018, 11:41 AM
|
Replies: 3
Views: 1,129
|
Forum: Troubleshooting TVs and Video Sources
11-30-2017, 02:18 AM
|
Replies: 6
Views: 1,812
|
Forum: Troubleshooting TVs and Video Sources
10-17-2017, 10:13 AM
|
Replies: 18
Views: 6,892
|
Forum: Troubleshooting TVs and Video Sources
10-17-2017, 05:21 AM
|
Replies: 38
Views: 3,505
Re: Lg 55lv5500 - ta
If the chip overheats in seconds for sure it is faulty, very common. For reflowing i would recommend using a usual cooking plate as a preheater, cover any connectors or sensitive components with alu...
|
Forum: Troubleshooting TVs and Video Sources
10-17-2017, 05:10 AM
|
Replies: 18
Views: 2,272
|
Forum: Troubleshooting TVs and Video Sources
10-16-2017, 03:33 PM
|
Replies: 18
Views: 2,272
|
Forum: Troubleshooting TVs and Video Sources
10-16-2017, 03:14 PM
|
Replies: 18
Views: 2,272
|
Forum: Troubleshooting TVs and Video Sources
10-16-2017, 03:04 PM
|
Replies: 9
Views: 1,602
|
Forum: Troubleshooting TVs and Video Sources
10-12-2017, 08:44 AM
|
Replies: 9
Views: 1,602
|
Forum: Troubleshooting TVs and Video Sources
10-12-2017, 04:28 AM
|
Replies: 9
Views: 1,602
|
Forum: Troubleshooting TVs and Video Sources
10-11-2017, 08:27 AM
|
Replies: 9
Views: 1,602
|
Forum: Equipment Usage, Soldering, Techniques, and Reviews
04-23-2015, 08:19 AM
|
Replies: 37
Views: 7,772
Re: Bga Pads Lift Repair.
this is the ATI chipset with embedded hd4200 graphics. 1/4 of the pins are either NC or double connections to GND or VCC. So if you are lucky, give it a try as it is, and maybe everything will work....
|
Forum: Troubleshooting TVs and Video Sources
12-22-2014, 05:55 AM
|
Replies: 5
Views: 2,450
|
Forum: Troubleshooting Game Consoles & Other Weird Devices
10-07-2014, 03:15 AM
|
Replies: 27
Views: 8,191
|
Forum: Troubleshooting TVs and Video Sources
10-06-2014, 11:40 AM
|
Replies: 8
Views: 1,758
Re: Samsung LE40A65A1FXXA
The very last one which is still in my workshop for 3 days is beyond repairable.
Had success only with ones which bonds are VISIBLY disconnected from the upper pcb. Any other could be just a...
|
Forum: Troubleshooting TVs and Video Sources
10-06-2014, 10:08 AM
|
Replies: 8
Views: 1,758
Re: Samsung LE40A65A1FXXA
I am impressed how frequent we are seeing the LxxxA65x panel fail. I have had more than 10 cases this year in my very modest workshop.
|
Forum: Troubleshooting Game Consoles & Other Weird Devices
10-06-2014, 02:16 AM
|
Replies: 27
Views: 8,191
|
Forum: Troubleshooting TVs and Video Sources
10-04-2014, 11:06 AM
|
Replies: 4
Views: 1,922
Re: TOSHIBA REGZA 37RV555D no pic
can you test the display with a flashlight? if you see image that means that the lcd/tcon is ok and you have to bring the backlight.
|
Forum: Troubleshooting TVs and Video Sources
10-04-2014, 10:25 AM
|
Replies: 17
Views: 3,044
Re: Samsung le32r73bd
check this out. worth a try:
http://www.badcaps.net/forum/showthread.php?p=467710#post467710
|
Forum: Troubleshooting TVs and Video Sources
10-04-2014, 03:55 AM
|
Replies: 18
Views: 5,324
Re: Samsung LE22C450
Reddish/pink ccfl indicates failing ones. They are probably drawing much power, just a little bit more than this psu can handle.
Failing ccfl-s is a bit unusual for Samsung but maybe this one has...
|