Forum: General Capacitor Questions & Issues
11-03-2021, 11:21 PM
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Replies: 2
Views: 838
GPU Caps Out of Spec?
My friend has this EVGA GTX770 GPU that, after 7 long years of use, is now starting to act up with artifacting and causing random black screens requiring a hard power down.
I decide to check the...
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Forum: Troubleshooting TVs and Video Sources
06-25-2021, 10:56 PM
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Replies: 4
Views: 580
Re: Toshiba 46RV535U 46" LCD Issue
So I went around the power board checking the "Protect" signals to see if something was triggering a shutdown, but it just seems to be coming from the mainboard itself. All voltages on the power...
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Forum: Troubleshooting TVs and Video Sources
05-25-2021, 08:52 PM
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Replies: 4
Views: 580
Toshiba 46RV535U 46" LCD Issue
Hello all, I have this Toshiba LCD giving me some troubles. Initially, upon pressing the power button it would refuse to turn on and instead blinked its little yellow light at me 3 times in...
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Forum: Troubleshooting TVs and Video Sources
01-07-2021, 06:52 AM
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Replies: 9
Views: 931
Re: Panasonic TC-50AS630 No Image - Blinking LED
It's high on both sides. 10k on the input and 20k downstream.
The issue seems to stem from the 1.1V rail. I was measuring the resistance on that rail and by heating up the main BGA I was able to...
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Forum: Troubleshooting TVs and Video Sources
01-07-2021, 06:00 AM
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Replies: 9
Views: 931
Re: Panasonic TC-50AS630 No Image - Blinking LED
Thanks for that! I only had the technical manual which was a bit limited. So as it turns out that PA2002 fuse is in fact blown. It's unlabeled on the board but it's marked with an 'X' on the back of...
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Forum: Troubleshooting TVs and Video Sources
01-05-2021, 12:12 AM
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Replies: 9
Views: 931
Panasonic TC-50AS630 No Image - Blinking LED
Hello good people, I have another unit here which is giving me problems. Upon plugging the unit it, after a few seconds the front LED will start blinking 3 times in a row and repeating indefinitely....
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Forum: Troubleshooting TVs and Video Sources
12-29-2020, 03:55 PM
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Replies: 7
Views: 879
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Forum: Troubleshooting TVs and Video Sources
12-20-2020, 03:51 AM
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Replies: 7
Views: 879
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Forum: Troubleshooting TVs and Video Sources
12-14-2020, 08:38 PM
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Replies: 7
Views: 879
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Forum: Troubleshooting TVs and Video Sources
12-14-2020, 07:51 PM
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Replies: 7
Views: 879
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Forum: Troubleshooting TVs and Video Sources
12-14-2020, 02:22 AM
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Replies: 7
Views: 879
Samsung LN55C630 LCD - Not powering up properly
Hello everyone, I have this Samsung LN55C630 TV which upon being plugged in attempts to power up but fails. The backlight turns on for about 3 seconds during which the screen is usually black but...
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Forum: Troubleshooting TVs and Video Sources
09-19-2019, 12:40 PM
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Replies: 4
Views: 970
Re: RCA RLDED3955 39" LCD - Backlight Flashing
Thanks for the input, you must be right because its acting pretty weird no matter what I do. The screen appears evenly lit for the most part but there's probably an LED out in there somewhere.
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Forum: Troubleshooting TVs and Video Sources
09-17-2019, 09:33 PM
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Replies: 4
Views: 970
RCA RLDED3955 39" LCD - Backlight Flashing
I have a TV here that when powered up, the backlight blinks between dim and normal brightness over and over.
I started troubleshooting and found that the main processor on the board was sending a...
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Forum: Troubleshooting TVs and Video Sources
08-04-2019, 07:10 PM
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Replies: 8
Views: 724
Re: Samsung UN55FH6030F - Confirming dead panel?
Unplugging the left side only results in the left side going white and the right side working. Unplugging the right side only results in everything going black. The left seems to pull all the rails...
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Forum: Troubleshooting TVs and Video Sources
08-03-2019, 07:47 PM
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Replies: 8
Views: 724
Re: Samsung UN55FH6030F - Confirming dead panel?
That makes sense. Also unplugging that half of the panel makes it go from all black to all white. I went back and checked all the caps from one end to the other and recorded their values but once...
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Forum: Troubleshooting TVs and Video Sources
08-03-2019, 04:02 AM
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Replies: 8
Views: 724
Re: Samsung UN55FH6030F - Confirming dead panel?
Thanks for the reply. I measured the caps to where I found the lowest resistance and removed several to be sure but no luck. The lowest resistance reading is directly under one of those chip on flex...
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Forum: Troubleshooting TVs and Video Sources
08-02-2019, 02:38 AM
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Replies: 8
Views: 724
Samsung UN55FH6030F - Confirming dead panel?
Backlight works on this TV but no video or OSD showing. I started poking around the TCON board and found one of the large ASICs was cold to the touch so I started checking voltages. Found a regulator...
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Forum: Troubleshooting TVs and Video Sources
04-08-2018, 02:22 AM
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Replies: 9
Views: 1,411
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Forum: Troubleshooting TVs and Video Sources
03-10-2018, 02:48 PM
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Replies: 9
Views: 1,411
Re: LG 50" 50PK550 - Sound, no image
Hey it works, test patterns look good. Thank you both. So mainboard it is then. It has serial port on it...I want to connect to it and see if its spitting out any info. Also might see if I can...
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Forum: Troubleshooting TVs and Video Sources
03-10-2018, 02:29 PM
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Replies: 9
Views: 1,411
Re: LG 50" 50PK550 - Sound, no image
Oh wait it's not labeled but based on other variants of this board I'm assuming its the vias coming off R51 and R52 in the lower right, top side.
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Forum: Troubleshooting TVs and Video Sources
03-10-2018, 02:25 PM
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Replies: 9
Views: 1,411
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Forum: Troubleshooting TVs and Video Sources
03-10-2018, 07:18 AM
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Replies: 9
Views: 1,411
LG 50" 50PK550 - Sound, no image
Hello fine people. I have this TV giving me issues.
Symptoms:
-Powers on with no image but can hear tuner static
-No OSD
-As it powers on, the screen comes on to a light grey for a couple...
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Forum: General Capacitor Questions & Issues
03-10-2018, 06:39 AM
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Replies: 1,015
Views: 524,698
Re: The Hall of Shame - Badcaps Photo Montage
Oh I have a good one! A NAD T752 amp filter capacitor let its goo out. Nice amp but the choice of capacitor is questionable.
https://i.imgur.com/gyCxnjah.jpg
https://i.imgur.com/eFtLeXXh.jpg
...
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Forum: General Computer & Tech Discussion
03-10-2018, 06:12 AM
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Replies: 114
Views: 20,288
Re: Hard drive reliability
My main storage drive is a Western Digital Black 640GB which I got several years ago new. It has 70k hours on it with 2346 cycles. My second most used drive is another WD Black 1TB with 63k hours and...
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