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Search: Posts Made By: elbtax
Forum: Troubleshooting Computer Displays 06-24-2010, 03:37 PM
Replies: 64
Views: 17,433
Posted By elbtax
Re: Viewsonic Optiquest Q19wb

I have the same psu rev: c. I see no F802 on my board.
Forum: Troubleshooting TVs and Video Sources 06-17-2010, 04:03 PM
Replies: 123
Views: 44,934
Posted By elbtax
Re: polaroid tv capacitor identification

Beer will be here around six est. Lickily for me there is a case in the fridge already!!! :noob:
Forum: Troubleshooting TVs and Video Sources 06-17-2010, 10:26 AM
Replies: 123
Views: 44,934
Posted By elbtax
Re: polaroid tv capacitor identification

Rube,
Glad your fix went well as did mine. Simple fix for a friend that earned me a case of [U][B]BEER. Pic attached...
Forum: Troubleshooting TVs and Video Sources 06-15-2010, 03:54 PM
Replies: 123
Views: 44,934
Posted By elbtax
Re: polaroid tv capacitor identification

Scenic,
When i first saw the cap i thought it was bulging. Looked at pictures on other post and the main filter cap looks the same.
My two caps that are bad are the same as Reid52 with the...
Forum: Troubleshooting TVs and Video Sources 06-15-2010, 11:49 AM
Replies: 123
Views: 44,934
Posted By elbtax
Re: polaroid tv capacitor identification

Rube,
I ordered the panasonics. Here are pics of the solder side. Notice the grey looking solder joints. (Pic3) I haven't reflowed yet, Probably today cause parts should be in on the morrow.
Forum: Troubleshooting TVs and Video Sources 06-14-2010, 09:50 AM
Replies: 123
Views: 44,934
Posted By elbtax
Re: polaroid tv capacitor identification

Rube,
Here are some pics of the guts of the tv. They are not great but you will see the two psu are very similar...
Forum: Troubleshooting TVs and Video Sources 06-13-2010, 06:30 PM
Replies: 123
Views: 44,934
Posted By elbtax
Re: polaroid tv capacitor identification

I am looking at a friends Polaroid tv model TDA-03211C. Those two caps are the same ones bulging on this PSU. They can be found on Digi-Key. If the two replacements lasted only a month i would...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 06-07-2010, 12:32 PM
Replies: 220
Views: 95,774
Posted By elbtax
Re: esr or cap tester

Ordered from Mike on 5-8-2010. Projected delivery to east coast, USA was 5-22 thru 5-25. Received my order on 5-27-2010. Was very pleased with Russian post shipping. I had capped a Gateway Fpd1960...
Forum: General Electronics Technical Discussion 06-04-2010, 10:45 AM
Replies: 3
Views: 1,568
Posted By elbtax
Re: Resistors

Thanks for the quick replies. I called local elec store & was told basically the same thing. (Not RS). The store has them in stock so i am headed that way.
4 acre electronics... Thanks again for...
Forum: General Electronics Technical Discussion 06-04-2010, 10:18 AM
Replies: 3
Views: 1,568
Posted By elbtax
Resistors

How do you determine the wattage on a particular resistor? I have a psu that has a bad 1 megaohm resistor. I don't know the wattage? Can anyone possibly help out? I would appreciate it greatly!!!!...
Forum: Troubleshooting Computer Displays 05-26-2010, 02:08 PM
Replies: 7
Views: 3,776
Posted By elbtax
Re: Magnavox 15MF050v/17 Parts

I second PB. Go with the heatsinks...
Forum: Troubleshooting Computer Displays 05-26-2010, 06:57 AM
Replies: 2
Views: 2,396
Posted By elbtax
Re: Need Help with ceramic capacitors

Thanks PB. I knew they were PF but i quoted exactly what is on the disc so there would be no mistakes. I like using Digi-Key but was getting no results when i typed in the part #. Not so on Mouser....
Forum: Troubleshooting Computer Displays 05-25-2010, 09:48 PM
Replies: 2
Views: 2,396
Posted By elbtax
Need Help with ceramic capacitors

I have two ceramic capacitors located near the power fet on a psu board that are craced and black looking on the top. The values are as follows:

47J, 1kv & 12J, 1kv.

I found one on Mouser but...
Forum: Troubleshooting Computer Displays 05-13-2010, 09:45 PM
Replies: 2
Views: 1,681
Posted By elbtax
Re: Replacement Patrs

Thanks. I think a replacement for the other is at Allied..
Forum: Troubleshooting Computer Displays 05-13-2010, 05:01 PM
Replies: 2
Views: 1,681
Posted By elbtax
Replacement Patrs

I have looked on Digi-Key, Mouser, Newark & Farnell for the following parts:
SP1040C, 4v, 10.0Amp, Shottky Barrier Rectifier & SP10100C. 100v, 10Amp in a TO-220 package. I would appreciate any help...
Forum: Troubleshooting Computer Displays 05-12-2010, 05:40 PM
Replies: 6
Views: 2,480
Posted By elbtax
Re: Viewsonic VA1930WM No Power

Thanks for the links. It's an overcast day here. Lens was dirty. Grandson must have gotten prints on it. Thanks..
Forum: Troubleshooting Computer Displays 05-12-2010, 04:46 PM
Replies: 6
Views: 2,480
Posted By elbtax
Re: Viewsonic VA1930WM No Power

Pics did not upload. Lets try again..
Forum: Troubleshooting Computer Displays 05-12-2010, 04:43 PM
Replies: 6
Views: 2,480
Posted By elbtax
Re: Viewsonic VA1930WM No Power

I think i put camera in macro mode this time. The power fet is a FrontierFQPF13N50C.
Thanks..
Forum: Troubleshooting Computer Displays 05-12-2010, 02:21 PM
Replies: 6
Views: 2,480
Posted By elbtax
Re: Viewsonic VA1930WM No Power

Forgot to add i have replaced all caps with nichicon low esr, Did not replace big cap or ones in audio section. Power fet is in secong pic by top xformer.
Forum: Troubleshooting Computer Displays 05-12-2010, 02:18 PM
Replies: 6
Views: 2,480
Posted By elbtax
Viewsonic VA1930WM No Power

Checked main filter cap. 1.5vdc. Fuse checked good. Replaced bridge rectifier.
Now i measure 169.2 cdc across filter. Suspected power fet was shot as my voltages at the 8 pins to the main board...
Forum: General Electronics Technical Discussion 05-10-2010, 10:36 PM
Replies: 4
Views: 1,688
Posted By elbtax
Forum: Troubleshooting Computer Displays 05-08-2010, 10:15 AM
Replies: 11
Views: 5,839
Posted By elbtax
Re: Daewoo L700C 17 LCD power supply problem?

I would definitely replace all the caps. Use 105deg, low esr caps. Order from digi-key or mopuser. Those 85 deg, general purpose caps should never be used in a psu. The big cap next to the Bridge...
Forum: Troubleshooting Computer Displays 03-02-2010, 06:13 PM
Replies: 44
Views: 10,406
Posted By elbtax
Re: Gateway FPD1530 works for a second then dark

Just repaire an Viewsonic Optiquest Q7 displaying same problem. Removed the inverter and none of the six caps were bulging. Checked all problems PlainBill suggested above and transistors. All good....
Forum: Troubleshooting Computer Displays 03-02-2010, 06:00 PM
Replies: 16
Views: 2,954
Posted By elbtax
Re: 220uf/16V small cap.......where to find replacement

Digikey shows a pany FC 8.0 x 6.0mm thru hole radial. Currently out of stock. Try Mouser or Newark. Good Luck.
Forum: Troubleshooting Computer Displays 01-29-2010, 07:14 PM
Replies: 23
Views: 7,665
Posted By elbtax
Re: Gateway 900G monitor not working.....shocking I know

I was given a Gateway FPD1960 TFT exibiting the same problems. I replaced the caps on the inverter board. Same problem. Took it apart and resoldered around transformers and any other spots that...
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