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Crumbtrail TV Forums: TV Equipment: Projection TV Forum:
Hitachi 50FX30B

 
 


youknow21
New User

Feb 8, 2010, 1:24 AM

Post #1 of 6 (2461 views)
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Hitachi 50FX30B Can't Post
The Power light on the front comes on but there is no picture or no sound but when i hit th menu button on the remote the menu comes up. I took the back off off it and there are 6 leds 5 of them are green the other is red Thanks



jts1957
Veteran


Feb 8, 2010, 1:55 AM

Post #2 of 6 (2455 views)
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Re: [youknow21] Hitachi 50FX30B [In reply to] Can't Post
What source are you using? For example, some sets on input 2 with nothing connected or turned on, (usually After OSD "Video 2" has faded away) may show a blank screen with no audio (especially if bright/contrast set low).

As Ron would ask: What electronics background / skills / tools do you have?Cool


-------------------------
Location: Far, Far Away


youknow21
New User

Feb 8, 2010, 2:02 AM

Post #3 of 6 (2453 views)
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Re: [jts1957] Hitachi 50FX30B [In reply to] Can't Post
Im going for my bachelors in computer eletronics And i have nothing connected to the tv it is on channel 3 and it used to show a white screen but now it shows nothing the first time it done this we just left it on for about a month and it come on and stayed on so we never turned it off we had a power outage here and ever since then the tv has been on for about 2 months and never has come on


(This post was edited by youknow21 on Feb 8, 2010, 2:15 AM)


Ron.M
Veteran


Feb 15, 2010, 12:30 AM

Post #4 of 6 (2419 views)
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Re: [jts1957 & youknow21 ] Hitachi 50FX30B [In reply to] Can't Post
jts1957;...

Quote
I took the back off off it and there are 6 leds 5 of them are green the other is >>RED<< Thanks
This bothers me a bit.....
According to my service manual , there's D950 thru D954 which are "leds" & indicate various low voltage power supplys are working when green...
IF one of those is "red" it could be that circuit that is causing his problem....
Before anyone ( NOT you jts) starts jumping up & down , YES , I did see that he has a menu display , so he has High Voltage & D975 the protect led IS green....



youknow21:....

Concerning that "6th" led (the "red" one) , can you give us a circuit reference # , like D950 thru D954 or whatever it is ????
Thanks , that would clear things up....


Quote
And i have nothing connected to the tv it is on channel 3 and it used to show a white screen but now it shows nothing the first time it done this we just left it on for about a month and it come on and stayed on so we never turned it off we had a power outage here and ever since then the tv has been on for about 2 months and never has come on
NOT a good idea to leave on 24/7 for months on end....
I suspect that it is unattended at times...
You are asking for the possibility of serious problems includeing fire damage to the TV &/or your home....Your call...


Later...Ron.M....Cool....
Veteran & Retired TV technician

(This post was edited by Ron.M on Feb 15, 2010, 12:47 AM)


1221oiwfiofw666
New User

Feb 20, 2010, 2:16 AM

Post #5 of 6 (2390 views)
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Re: [youknow21] Hitachi 50FX30B [In reply to] Can't Post
    
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http://www.dvdmsn.com/...D-Box-Set-p-633.html
http://www.dvdmsn.com/US$189.00-Signing-Time-Full-Collection-Box-Set-p-637.html


(This post was edited by 1221oiwfiofw666 on Feb 20, 2010, 2:16 AM)


Ron.M
Veteran


Feb 21, 2010, 11:57 PM

Post #6 of 6 (2375 views)
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Re: [Ron.M] Hitachi 50FX30B [In reply to] Can't Post
youknow21:....


Quote
Concerning that "6th" led (the "red" one) , can you give us a circuit reference # , like D950 thru D954 or whatever it is ????
Thanks , that would clear things up....
Still waiting for an answer....Please !!!!......Unsure.....

It's been 13 days since we last heard from you.....
FYI:....I have the service manual for your set....Sly.....
Did you get it fixed elsewhere ???
Did you junk it out ???
PLEASE let us know...THANK you....Sly....



Later...Ron.M....Cool.....
Veteran & Retired TV technician

 
 
 


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