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Jeremy112
Joined: 28 Sep 2006
Posts: 2649
Location: Fond du Lac, WI
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| Posted: Fri Dec 09, 2011 8:36 pm Post subject: MagnetBox 52" Rear Projection CRT TV - Power but no ima |
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Like the title says, its a Magnetbox 52" CRT made in February 1995, pretty old, but I do have a buyer for it once I get it fixed.
It powers on, I can hear the HV noise, and there is sound from the speakers, but no image, would this be a Regulator?
Model is an FP5230 if it helps 
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When I'm asking for a Model number, that doesn't mean I'm asking for a nude photo with your number on it 
Last edited by Jeremy112 on Sat Dec 10, 2011 6:14 pm; edited 1 time in total
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Fri Dec 09, 2011 8:38 pm Post subject: Re: MagnetBox 52" Rear Projection CRT TV - Power but no |
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| Jeremy112 wrote: | Like the title says, its a Magnavox 52" CRT made in February 1995, pretty old, but I do have a buyer for it once I get it fixed.
It powers on, I can hear the HV noise, and there is sound from the speakers, but no image, would this be a Regulator?
Model is an FP5230 if it helps |
Umm the title says MagnetBox .
lol
Athanasios
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Jeremy112
Joined: 28 Sep 2006
Posts: 2649
Location: Fond du Lac, WI
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| Posted: Fri Dec 09, 2011 9:14 pm Post subject: |
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MagnetBox, Magnavox, only difference is MagnetBox was used in "The Simpsons"
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When I'm asking for a Model number, that doesn't mean I'm asking for a nude photo with your number on it
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Fri Dec 09, 2011 11:50 pm Post subject: |
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Can you test components?
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Jeremy112
Joined: 28 Sep 2006
Posts: 2649
Location: Fond du Lac, WI
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| Posted: Fri Dec 09, 2011 11:55 pm Post subject: |
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I do have the knowledge to test out the components yes, I'll admit I'm not sure exactly where the issue is, but I believe it to be on the Power Supply board.
This TV has the same exact issue an old Sony 27" CRT we had years ago had, every 4 or 5 years the Voltage Regulator would go out on it and cause loss of picture, but sound was still heard. That is one of the reasons I thought it to be a voltage regulator issue..
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When I'm asking for a Model number, that doesn't mean I'm asking for a nude photo with your number on it
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Fri Dec 09, 2011 11:58 pm Post subject: |
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Test R934.
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Jeremy112
Joined: 28 Sep 2006
Posts: 2649
Location: Fond du Lac, WI
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| Posted: Sat Dec 10, 2011 6:12 pm Post subject: |
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| macgyver655 wrote: | | Test R934. |
Mac, I checked the TV out this morning, before I read your post, I noticed a resistor blown out and burnt, and guess what, your spot on, its R934, when I replace it, is there anything else I should check? Does that resistore fail commonly on this TV?
_________________
When I'm asking for a Model number, that doesn't mean I'm asking for a nude photo with your number on it
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macgyver655
Joined: 22 Aug 2007
Posts: 8508
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| Posted: Sat Dec 10, 2011 6:14 pm Post subject: |
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| Jeremy112 wrote: | | macgyver655 wrote: | | Test R934. |
Mac, I checked the TV out this morning, before I read your post, I noticed a resistor blown out and burnt, and guess what, your spot on, its R934, when I replace it, is there anything else I should check? Does that resistore fail commonly on this TV? |
I'll PM you more info.
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Jeremy112
Joined: 28 Sep 2006
Posts: 2649
Location: Fond du Lac, WI
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| Posted: Sat Dec 10, 2011 6:15 pm Post subject: Re: MagnetBox 52" Rear Projection CRT TV - Power but no |
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| Nashou66 wrote: | | Jeremy112 wrote: | Like the title says, its a Magnavox 52" CRT made in February 1995, pretty old, but I do have a buyer for it once I get it fixed.
It powers on, I can hear the HV noise, and there is sound from the speakers, but no image, would this be a Regulator?
Model is an FP5230 if it helps |
Umm the title says MagnetBox .
lol
Athanasios |
I have corrected it 
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Jeremy112
Joined: 28 Sep 2006
Posts: 2649
Location: Fond du Lac, WI
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| Posted: Sat Dec 10, 2011 6:16 pm Post subject: |
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| macgyver655 wrote: | | Jeremy112 wrote: | | macgyver655 wrote: | | Test R934. |
Mac, I checked the TV out this morning, before I read your post, I noticed a resistor blown out and burnt, and guess what, your spot on, its R934, when I replace it, is there anything else I should check? Does that resistore fail commonly on this TV? |
I'll PM you more info. |
Wow you don't waste time at all, I like it! Thanks Mac
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