Badcaps.net Forum
Go Back   Badcaps Forums > Search Forums
Register FAQ Calendar Search Today's Posts Mark Forums Read

Showing results 1 to 25 of 45
Search took 0.00 seconds.
Search: Posts Made By: provider10
Forum: Troubleshooting TVs and Video Sources 02-09-2022, 01:38 AM
Replies: 2
Views: 179
Posted By provider10
Samsung UA46ES5660 standby light flashes

Hi
Got this Samsung LED tv. Plug set in standby light comes on steady. Switch on Standby light flashes 2 times for a sequence of 5.On the psu I only get the a5v coming out. Disconnect PSU from Main...
Forum: Troubleshooting TVs and Video Sources 01-17-2022, 05:07 AM
Replies: 2
Views: 210
Posted By provider10
Panasonic TH49 Blue picture

Hi All, and may the new Year be good to you

l I have this Panasonic TV TH 49 DX650Q

Its in reasonable working condition but it has a blue screen. Most notable on the setup display. If it shows...
Forum: Troubleshooting TVs and Video Sources 11-29-2021, 02:31 AM
Replies: 1
Views: 278
Posted By provider10
Samsung UA40 distorted menu

Hi all

Heres a weird one.
Got this Samsung when playing the TV the picture is perfectly good. But if you go into menu the menu items are distorted, as though the Tcon board is faulty

Any Ideas...
Forum: Troubleshooting TVs and Video Sources 10-02-2021, 05:23 AM
Replies: 2
Views: 419
Posted By provider10
Forum: Troubleshooting TVs and Video Sources 09-30-2021, 03:02 AM
Replies: 2
Views: 419
Posted By provider10
LG 47LE7500 No Picture

Hi All

Git this LG47LE7500. Set comes on and all the menus etc can be seen. It recognizes what inputs are plugged in. But there s no video. After selecting the Input . After a few seconds it just...
Forum: Troubleshooting TVs and Video Sources 07-10-2021, 03:11 AM
Replies: 0
Views: 505
Posted By provider10
Samsung LA40C530 LCD Backlight problem

Hi All

Hope you can help . Got this Samsung LCD TV LA40C530
Problem is with the backlights that intermittently switch off. They can be ok for more than 8hours, then next day only stay on for a...
Forum: Troubleshooting TVs and Video Sources 06-07-2021, 06:59 AM
Replies: 2
Views: 402
Posted By provider10
Re: sony Bravia KLV-40S400A pic goes off and on

Hi
A bit of a problem the set doesnt stay on long enough to get into the menu
Forum: Troubleshooting TVs and Video Sources 06-05-2021, 04:35 AM
Replies: 2
Views: 402
Posted By provider10
sony Bravia KLV-40S400A pic goes off and on

hi
Goy this Sony Bravia KLV-40S400A

On switch on the picture comes up for 7 seconds Then goes off for about 10 Seconds, with a click of a relay. This keeps going on and off ad infinitum. When it...
Forum: Troubleshooting TVs and Video Sources 05-31-2021, 02:07 AM
Replies: 4
Views: 531
Posted By provider10
Re: Samsung 32 Inch power supply problem

Hi Guys

Thanks for the help. I found the voltage across CM804 was only 12v. Changed the caps didn't help . Found Zener diode ZM801 faulty

Thanks for the assistance

James
Forum: Troubleshooting TVs and Video Sources 05-29-2021, 03:25 AM
Replies: 4
Views: 531
Posted By provider10
Re: Samsung 32 Inch power supply problem

Hi looking through the forum I find that the post from Moolink on 07-28-2012, 03:43 AM is basically the same set. But the diodes in my set seem to be OK. The fault occurs with or without the main...
Forum: Troubleshooting TVs and Video Sources 05-29-2021, 03:05 AM
Replies: 4
Views: 531
Posted By provider10
Samsung 32 Inch power supply problem BN44-0260A

Hi
This set uses the BN44-0260A Power supply
It came in with IC UM8015 (ICE3BR0665) Blown
Replaced IC but now I have a stable 13 Volt but the 5volt rail is pulsing around 2.5 volts. Checked diodes...
Forum: Troubleshooting TVs and Video Sources 05-06-2021, 03:13 AM
Replies: 1
Views: 381
Posted By provider10
Samsung UA46B700WR T Con ?

Hi All

Got this Samsung UA46B700WR
On cold switch on There is a reasonable picture (picture 1)

After a few minutes it begins to develop red streaks down the screee, that gets worse with time...
Forum: Troubleshooting TVs and Video Sources 05-06-2021, 03:06 AM
Replies: 9
Views: 825
Posted By provider10
Re: LG Flashing Backlights

The faulty diode is the one between the yellow transformer and the 2 blue caps
Forum: Troubleshooting TVs and Video Sources 05-03-2021, 02:32 AM
Replies: 9
Views: 825
Posted By provider10
Re: LG Flashing Backlights

Wilke i had the lights on I noticed that one of the heat sinks on the PSU was getting very hot. checking around I found D104 was SC. replaced it and all lights are now on without the diode

Thanks
Forum: Troubleshooting TVs and Video Sources 05-01-2021, 02:54 AM
Replies: 9
Views: 825
Posted By provider10
Re: LG Flashing Backlights

On further exploration i fitted a diode 1N5822 in series and the lights stay on . So it looks as if one of the LEDs is faulty. Yet they all light up and all give the same brightness
Forum: Troubleshooting TVs and Video Sources 05-01-2021, 02:45 AM
Replies: 9
Views: 825
Posted By provider10
Re: LG Flashing Backlights

HI thanks for the replies

I take it that drv-on is bl-on

When the lights flash on and its only for a fraction of a second, the pwr-on and the drv-on
voltages drops. I attached 3 volts to the...
Forum: Troubleshooting TVs and Video Sources 04-30-2021, 07:00 AM
Replies: 9
Views: 825
Posted By provider10
LG Flashing Backlights

Hi All

Got this LG 32LN5130 . The red standby led flashes 3 times then the backlighs flash on for a fraction of a second. Then it repeats the sequence. Have stripped it down and find all LEDs are...
Forum: Troubleshooting TVs and Video Sources 03-10-2021, 07:29 AM
Replies: 22
Views: 1,541
Posted By provider10
Re: LG 42LN5100 no backlights

Thanks to everybody that replied to my post.
75 and still learning.
I don't get much work as I am semi retired but I bought an LED tester from Banggood.
And as the lights seemed to light up OK....
Forum: Troubleshooting TVs and Video Sources 03-08-2021, 08:33 AM
Replies: 22
Views: 1,541
Posted By provider10
Re: LG 42LN5100 no backlights

across c214-204 I have a stable 115volts. On switch on this voltage goes unstable varying from 103 to 113 volts
Forum: Troubleshooting TVs and Video Sources 03-08-2021, 08:19 AM
Replies: 22
Views: 1,541
Posted By provider10
Re: LG 42LN5100 no backlights

The number is LGP421-13PL1 (PLDF-l205B)

There is a very short flash from the LEDs at switch on.

When i measure on the lead to the LEDs on one side I get a varying voltage of around 120 v and on...
Forum: Troubleshooting TVs and Video Sources 03-07-2021, 04:22 AM
Replies: 22
Views: 1,541
Posted By provider10
Re: LG 42LN5100 no backlights

Hi

The number on the power supply is 3PCR00275B

Thanks

James
Forum: Troubleshooting TVs and Video Sources 03-05-2021, 03:58 AM
Replies: 0
Views: 372
Posted By provider10
LED Driver module

Hi all

just a quirky Has anybody used the Led driver module available from Banggood?

" TV Backlight Driver Board TV Booster Constant Current Module High Voltage Board"

If so how well do...
Forum: Troubleshooting TVs and Video Sources 03-05-2021, 03:27 AM
Replies: 22
Views: 1,541
Posted By provider10
Re: LG 42LN5100 no backlights

Hi thanks for the reply. I don't think its the LED strips as I have bought a tester and the panel lights up ok .
The positive voltage is on one end of the strips but there is an FET that i think...
Forum: Troubleshooting TVs and Video Sources 03-04-2021, 02:34 AM
Replies: 22
Views: 1,541
Posted By provider10
LG 42LN5100 no backlights

Hi

I have this LG with no backlights using the backlight tester seems the LEDs are OK
Theproblem seems to be the FET that pulls the LEDS to ground has anybody had tis FET(Q802) fail

Thanks ...
Forum: Troubleshooting TVs and Video Sources 10-19-2020, 05:08 AM
Replies: 1
Views: 491
Posted By provider10
LG 32 LE with half picture

Hi All

I got an LG 32LE550 TV
Half the screen has a picture the other side is blank with some vertical Lines on the Right Hand side
I think it may be the panel.

Hope someone else can set me...
Showing results 1 to 25 of 45

 
Forum Jump


Badcaps.net Technical Forums 2003 - 2022
Powered by vBulletin ®
Copyright ©2000 - 2022, Jelsoft Enterprises Ltd.
All times are GMT -6. The time now is 01:21 PM.
Did you find this forum helpful?