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Search: Posts Made By: CDGraves
Forum: Troubleshooting Computer Displays 04-04-2017, 07:55 AM
Replies: 2
Views: 3,463
Posted By CDGraves
Re: DELL E2310Hc

I have repaired three Dell E2310Hc monitors. They would do a variety of things. Most commonly, when plugged in, the blue power light would come on and then all the controls would freeze. No image...
Forum: Troubleshooting TVs and Video Sources 10-22-2015, 09:52 PM
Replies: 4
Views: 2,411
Posted By CDGraves
Re: Samsung LN40A530P1F backlights go off

"How about putting the pin names on each pin so we will know what they are?"
In my first message, I posted a photo of the measurement point. Connector CNI08, Pin3.

"What is the P/N of the power...
Forum: Troubleshooting TVs and Video Sources 10-22-2015, 10:29 AM
Replies: 4
Views: 2,411
Posted By CDGraves
Re: Samsung LN40A530P1F backlights go off

I believe I have found the answer to the back light level problem.
First: Put the TV into "Service Mode". For the Samsung LN40A530P1F, that is done with the following remote control key sequence: ...
Forum: Troubleshooting TVs and Video Sources 10-03-2015, 01:45 PM
Replies: 19
Views: 7,076
Posted By CDGraves
Re: samsung LN40A530P1FXZA Solarized distorted pic

I had the same solarization problem with a Samsung LN40A530P1F.
I got a new T-con board from a Chinese seller on ebay. Part number V400H1-C03. $44 including shipping.
That fixed the problem. ...
Forum: Troubleshooting TVs and Video Sources 10-03-2015, 01:31 PM
Replies: 17
Views: 3,809
Posted By CDGraves
Re: Samsung LN40A530P1FXZA LCD Solarization fix - help requested

About the Samsung LN40A530P1FXZA (LN40A530P1F) solarization issue.
The T-con board for this TV apparently has a high failure rate.
I had the same solarizaion problem. I got a T-con board from an...
Forum: Troubleshooting TVs and Video Sources 10-02-2015, 12:29 PM
Replies: 4
Views: 2,411
Posted By CDGraves
Samsung LN40A530P1F backlights go off

I have a very strange problem with a Samsung LN40A530P1F (LN40A530P1FXZA).
The problem: In the settings, the back light level can be adjusted from 0 to 10. 10 is the highest. As expected, the...
Forum: Troubleshooting TVs and Video Sources 09-27-2015, 09:31 PM
Replies: 8
Views: 2,077
Posted By CDGraves
Re: Polaroid FLM-3701 no power/ standy light

About bad caps on the Polaroid FLM-3701:
The nine big output caps E8 thru E17 go bad and they will be obviously swollen. E8 - E13 are 680uF 35v and E15 - E17 are 680uF 25V.
However, there are...
Forum: Troubleshooting TVs and Video Sources 09-27-2015, 09:11 PM
Replies: 17
Views: 5,536
Posted By CDGraves
Re: Poloroid FLM-3701 Model number 667-L37K5-20A (KAS20) power supply board

I had the same experience with a Polaroid FLM-3701. I took one from the local e-cycle place to play with. It was totally dead. All of the big output caps were swollen. There were three 680uF 25V...
Forum: Troubleshooting Power Supplies and Power Supply Design 01-02-2015, 06:08 PM
Replies: 4
Views: 7,689
Posted By CDGraves
Magicjack power adapter failure

I use magicjack plus. It gives me land line phone service for a small fraction of what Comcast charges. It has been a good service so far.
For those not familiar. The magicjack plus is powered...
Forum: Troubleshooting TVs and Video Sources 05-18-2013, 10:04 PM
Replies: 9
Views: 4,125
Posted By CDGraves
Re: Westinghouse TX-47F430S

I bought one of these from a frustrated owner who had a problem with it freezing up.
After researching the Westinghouse TX-47F430S online I realized it has a lot of problems with hardware and...
Forum: Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals 04-21-2013, 02:03 PM
Replies: 4
Views: 4,676
Posted By CDGraves
Re: HP/Compaq dc5100 motherboard recapping

I have repaired many of the HP dc5100 motherboards. The worst machines are the ones that are clogged with dust and no not ventilate well.
The most troublesome capacitors I have seen on these...
Forum: Troubleshooting Computer Displays 04-20-2013, 09:48 AM
Replies: 5
Views: 3,137
Posted By CDGraves
Re: Old Dell 2001FP Ribbon Cable

I believe the adhesive used is called Anisotropic Conductive Media (ACP). It is made by 3M. It is a glue with tiny metal balls in it. It makes an electrical connection in the Z-axis when the...
Forum: Troubleshooting TVs and Video Sources 04-19-2013, 05:07 PM
Replies: 19
Views: 6,387
Posted By CDGraves
Re: Sanyo DP42848 sound but no picture

I had a bad Sanyo DP42848. Picture on for 2 seconds and then black.
I wasted my time and money trying inverters. No fix.
I discovered it was bad backlights. Reading various forums, this seems to...
Forum: General Capacitor Questions & Issues 04-19-2013, 01:14 PM
Replies: 1
Views: 2,126
Posted By CDGraves
Re: Free Parts For Viewsonic VP211b

The VP211b is notorious for blown fuses on the inverter board. There are two fuses labelled F1 and F2. Check both with an Ohmmeter.
Forum: Troubleshooting Computer Displays 04-19-2013, 12:54 PM
Replies: 14
Views: 5,069
Posted By CDGraves
Re: Problem with Viewsonic VP211b

Hello:
I have repaired 3 of the Viewsonic VP211b monitors.
I all three cases the problem was a blown fuse on the inverter board.
The Inverter Board should have DAC-18B014 stamped on the back....
Showing results 1 to 15 of 15

 
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