RCA HD52W59


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RCA HD52W59

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frnk
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Jul 19, 2008, 1:44 AM

Post #1 of 34 (19830 views)
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RCA HD52W59	Can't Post

I have a RCA model HD52W59 which was working perfectly fine,we decide to move it to the basement and when we set it up and plug it the image was like 3D,Idecide to run the auto convergence and it start doing it and about the end it just turn off, now the power button stays green for few seconds (not blinking) I can hear some noises like it is powering up and it turns off again, I try waiting 10 secs,1 hr,1 day ect and the same situation, can anyone help we with this problem please...thanks

slinteriors
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Jul 19, 2008, 6:08 PM

Post #2 of 34 (19818 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

Can you describe exactly what the led does when you hit power? I will try to assist you with your problem.

frnk
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Jul 20, 2008, 1:19 AM

Post #3 of 34 (19815 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

Thanks for your help, see thats what is strange the green led doesn't blink or anything, just stays on for about 5 seconds I can hear the sound like when the screen is about to turn on and then it turns off, if i wait few minutes I can press on again and the same thing will happened, if I try right away it won't turn on.

slinteriors
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Jul 20, 2008, 1:23 AM

Post #4 of 34 (19814 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

Have you checked the three fuses right next to the flyback? There are 3 brown Fuses, its possible that those are blown. You can check them in circuit with a ohms meter

frnk
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Jul 20, 2008, 2:25 AM

Post #5 of 34 (19813 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

No I haven't, will do and let you know,,thanks ahave a great Sunday!

frnk
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Jul 20, 2008, 5:36 PM

Post #6 of 34 (19807 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

Open the front panel and can see the 3 boards with the flybacks but can't find the fuses, can you guide me to them please...thanks

slinteriors
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Jul 20, 2008, 6:57 PM

Post #7 of 34 (19801 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

Not sure how to upload a picture on here send me a request to slinteriors@yahoo.com and I will send a picture of whrer the fuses are located.

frnk
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Jul 20, 2008, 7:06 PM

Post #8 of 34 (19801 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

sorry about the misunderstand, I found the 3 fuses, they have continuityand have continuity between each other too. is there any other to check that you know? thanks

slinteriors
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Jul 20, 2008, 7:08 PM

Post #9 of 34 (19799 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

Have you checked the two regular fuses on the line filter board to see if they are still good?

frnk
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Jul 20, 2008, 7:10 PM

Post #10 of 34 (19798 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

I just checked the glass fuse and the 3 browns, were are this others,please?

slinteriors
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Jul 20, 2008, 7:11 PM

Post #11 of 34 (19797 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

its on the long skinny board on the rightside of the chassis if front of the signal boards

frnk
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Jul 20, 2008, 7:22 PM

Post #12 of 34 (19796 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

Yes, mine has only one glass fuse and is ok...

slinteriors
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Jul 20, 2008, 7:28 PM

Post #13 of 34 (19794 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

That chassis has had issues with the flyback being bad however it usually blinks 3 times then goes out if its flyback. have you checked the deflection PCB for solder cracks around the flyback? Thats a strong possibility and another issue I have seen alot of the HOT transistors having broken pins that will cause a dead set. If you end up needing parts for it let me know as I work for a company that has all parts for those ITC222 PCBs tubes and everything even screen assemblies.

frnk
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Jul 20, 2008, 7:31 PM

Post #14 of 34 (19793 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

My friend, you had been more than patient and helpful to me, will do an inspection and will contact you again,thanks again

slinteriors
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Jul 20, 2008, 7:33 PM

Post #15 of 34 (19791 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

just let me know if you need further assistance.

frnk
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Jul 21, 2008, 12:35 AM

Post #16 of 34 (19784 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

Have a question, Why did the 3 fuses close to the flyback have continuity between each other? it mamakes no sence to me...thanks

slinteriors
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Jul 21, 2008, 1:10 AM

Post #17 of 34 (19780 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

its just because youre picking up resistance in the surrounding circuit because of the windings in the flyback. But theyre susposed to be like that.

frnk
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Jul 21, 2008, 1:18 AM

Post #18 of 34 (19778 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

Thanks, can't find anything wrong....

slinteriors
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Jul 21, 2008, 1:54 AM

Post #19 of 34 (19776 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

Have you checked DL030 in the Horizontal yoke output circuit? If not lift one end out of circuit and see if its good.

frnk
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Jul 21, 2008, 11:46 AM

Post #20 of 34 (19770 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

No I haven't, will do this afternoon, still thinking about this 3 fuses, I checked them in continuity and I will like to verify, how did I check them in ohms?
have a great day

frnk
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Jul 22, 2008, 1:19 AM

Post #21 of 34 (19765 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

hey my frind,have a question, because everything started when I start the auto convergence I check the 3 lenses and one of them the butterfly nut was very,very tight, i know that they are spose to be lose so it can move and adjust, if this was the problem what you would think was the result of this lens trying to adjust and can't move?
thanks again

slinteriors
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Jul 22, 2008, 2:39 AM

Post #22 of 34 (19762 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

No those nuts are susposed to be tight, the adjustments are done electronically through the convergence yokes. if the lens moves your focus will get messed up.

frnk
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Jul 27, 2008, 9:50 PM

Post #23 of 34 (19734 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

Hi there!! Did a deep search and can't find anything wrong, still the same problem green power light stays on for about 15 seconds without blinking and turns off again, is turning me crazy,,,any other suggestion?

thanks

slinteriors
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Jul 27, 2008, 10:03 PM

Post #24 of 34 (19733 views)
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Re: [frnk] RCA HD52W59 [In reply to]	Can't Post

Okay. I have had some sets with the shutdown that had these items bad . DL030, RL025, RL044 and CL035. The diode and resistors have to be checked with one side lifted from circuit.

nickb2b
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Jul 29, 2008, 6:47 PM

Post #25 of 34 (19721 views)
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Re: [slinteriors] RCA HD52W59 [In reply to]	Can't Post

<span contenteditable="false"><table border=0 cellpadding=0 cellspacing=0 width="100%"><tr><td width="2%"><hr width="100%" noshade size="1" color="#A1A576"></td><td width="10%" align=center><font size=1 face="Verdana,Arial,Helvetica">In Reply To</font></td><td width="87%"><hr width="100%" noshade color="#A1A576" size=1></td></tr></table></span><div style="margin-left: 30px">Okay. I have had some sets with the shutdown that had these items bad . DL030, RL025, RL044 and CL035. The diode and resistors have to be checked with one side lifted from circuit.</div><span contenteditable="false"><table border=0 cellpadding=0 cellspacing=0 width="100%"><tr><td><hr width="100%" noshade size=1 color="#A1A576"></td></tr></table></span>

I don't mean to hijack this thread, but it relates somewhat to this post. I was given a D52W15 ITC222 that has a bowed image (top & bottom). The convergence board is getting power (both + and -), so I checked some components on the deflection board based off of culled info I found (including one of your older posts) that related to my problem.

I pulled TL010 and the heatsink with DL030 and DL032 out of the circuit and found that TL010 and DL030 look good (approx. 5v and OL). However, DL032 is reading 0.011 volts both ways.

Should DL030 and DL032 both test the same (voltage one way and open with leads reversed)? If so it sounds like DL032 is shorted, correct?

BTW, thanks for all your help on my Akai thread.

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