Hitachi TV died.

F

FOG

Guest
Hitachi C29-F50B, 64cm CRT.
Worked o.k. last night, dead this morning. any ideas?
Once or twice would switch on and power back down all by its self but would
re-start on the remote and problem would not show for months, even years.
As I said, any ideas or do I just dump it.
Thanks for any suggestions.
FOG.
 
"FOG" <FOG@FOG.COM> wrote in message
news:OJ2Ko.4056$gM3.3023@viwinnwfe01.internal.bigpond.com...
Hitachi C29-F50B, 64cm CRT.
Worked o.k. last night, dead this morning. any ideas?
Once or twice would switch on and power back down all by its self but
would re-start on the remote and problem would not show for months, even
years.
As I said, any ideas or do I just dump it.
Thanks for any suggestions.
FOG.
Click to expand...
Wait till its dark. Leave it on a neighbours verge. Run back inside.

Make sure you turn off any security lights you may have before venturing
out.
 
On 3/12/2010 8:27 PM, FOG wrote:
Hitachi C29-F50B, 64cm CRT.
Worked o.k. last night, dead this morning. any ideas?
Once or twice would switch on and power back down all by its self but would
re-start on the remote and problem would not show for months, even years.
As I said, any ideas or do I just dump it.
Thanks for any suggestions.
FOG.


The problem doesn't have to be related to its previous misbehaviour.
Click to expand...

You could check the PSU for internal fuses that have blown. Ocasionally
fuses fail for no good reason and just need to be replaced. Just make
sure the set's been unplugged for an hour or so, and even then stay away
from the anode (that's the thing plugged into the side or top of the
tube) and whatever it's connected to.

Sylvia.
 
"Dennis" <noone@nowhere.com> wrote in message
news:Jc-dndhiOrWYJmXRnZ2dnUVZ_jmdnZ2d@westnet.com.au...
"FOG" <FOG@FOG.COM> wrote in message
news:OJ2Ko.4056$gM3.3023@viwinnwfe01.internal.bigpond.com...
Hitachi C29-F50B, 64cm CRT.
Worked o.k. last night, dead this morning. any ideas?
Once or twice would switch on and power back down all by its self but
would re-start on the remote and problem would not show for months, even
years.
As I said, any ideas or do I just dump it.
Thanks for any suggestions.
FOG.


Wait till its dark. Leave it on a neighbours verge. Run back inside.

Make sure you turn off any security lights you may have before venturing
out.
Click to expand...

Sorry not what you wanted to hear.....

Maybe have a quick look in the power supply area for dodgy electrolytic
caps?
 
"Sylvia Else" <sylvia@not.here.invalid> wrote in message
news:8ls1enF4rsU1@mid.individual.net...
You could check the PSU for internal fuses that have blown. Ocasionally
fuses fail for no good reason and just need to be replaced.
Click to expand...
Extremely rarely. They sometimes blow due to an abnormal surge, and will
work again with just a fuse replacement, but even that is pretty rare, and
more in the realm of wishful thinking.

MrT.
 
On 4/12/2010 12:36 PM, Mr.T wrote:
"Sylvia Else"<sylvia@not.here.invalid> wrote in message
news:8ls1enF4rsU1@mid.individual.net...
You could check the PSU for internal fuses that have blown. Ocasionally
fuses fail for no good reason and just need to be replaced.

Extremely rarely. They sometimes blow due to an abnormal surge, and will
work again with just a fuse replacement, but even that is pretty rare, and
more in the realm of wishful thinking.
Click to expand...
I have seen it happen. OK, perhaps only once, and not in a television,
but it did happen. Given that it's easy to check, it seems sensible to
do so before junking the set.

Sylvia.
 
On Dec 4, 11:44 am, Sylvia Else <syl...@not.here.invalid> wrote:
On 4/12/2010 12:36 PM, Mr.T wrote:

"Sylvia Else"<syl...@not.here.invalid>  wrote in message
news:8ls1enF4rsU1@mid.individual.net...
You could check the PSU for internal fuses that have blown. Ocasionally
fuses fail for no good reason and just need to be replaced.

Extremely rarely. They sometimes blow due to an abnormal surge, and will
work again with just a fuse replacement, but even that is pretty rare, and
more in the realm of wishful thinking.

I have seen it happen. OK, perhaps only once, and not in a television,
but it did happen. Given that it's easy to check, it seems sensible to
do so before junking the set.

Sylvia.
Click to expand...
Agree, only seen it happen on a couple of occasions, by the look of it
the wire had come off the end cap inside. Very rare.

Also had new fuses that were getting rather hot. turned out they had
several ohms across them. Replaced them with others that were ok.
Weird, that was.
 
"Mr.Turd"
"Sillier than Anyone Else"
You could check the PSU for internal fuses that have blown. Ocasionally
fuses fail for no good reason and just need to be replaced.

Extremely rarely. They sometimes blow due to an abnormal surge, and will
work again with just a fuse replacement, but even that is pretty rare, and
more in the realm of wishful thinking.
Click to expand...

** Nonsense.

CRT type CTVs have de-gaussing coils that draw enormous surge currents at
switch on - for larger screen sets the peak current can easily exceed 60
amps.

Causes fatigue failures in fuses ( nominally rated at 2 to 3 amps ) all the
time.



...... Phil
 
"Sylvia Else" <sylvia@not.here.invalid> wrote in message
news:8ltknrFincU2@mid.individual.net...
You could check the PSU for internal fuses that have blown. Ocasionally
fuses fail for no good reason and just need to be replaced.

Extremely rarely. They sometimes blow due to an abnormal surge, and will
work again with just a fuse replacement, but even that is pretty rare,
and
more in the realm of wishful thinking.

I have seen it happen. OK, perhaps only once, and not in a television,
Click to expand...
Exactly, even miracles happen sometimes.


Given that it's easy to check, it seems sensible to
do so before junking the set.
Click to expand...
Of course, never suggested otherwise. Just be prepared to be disappointed.

MrT.
 
O.k. Thanks to all for the help and advise.
Took the back of the thing and finally found the only fuse in there and
replaced it with the correct spec fuse, put the back cover back on and
powered it on, POP! went the fuse immediately along with the the relevant
house breaker, so it is off to the tip today for it.
New telly bought and installed so not too much veiwing pleasure was lost.
Thanks again.
FOG.
 
"FOG"

Took the back of the thing and finally found the only fuse in there and
replaced it with the correct spec fuse, put the back cover back on and
powered it on, POP! went the fuse immediately along with the the relevant
house breaker, so it is off to the tip today for it.
Click to expand...

** Could just be a burnt out de-gaussing thermistor ......



.... Phil
 
Yes I can understand that as it seemed to go pop very early on in the
start-up sequence, no relay click and no deguess crackle but with no cicuit
diagram, minimal skills and I suppose, no real enthusiasm to delve any
deeper (Plus I think management wanted a new one,........ well alright, me
too!) then it was really predestined or the tip!
I do not like throwing away perfectly good peices of equipment or rescuable
gear but sometimes.........
Still it is now landfill.
Yet again thanks to all for help and advise and happy veiwing!!!
FOG
 
On Dec 6, 8:20 am, "FOG" <F...@FOG.COM> wrote:
Yes I can understand that as it seemed to go pop very early on in the
start-up sequence, no relay click and no deguess crackle but with no cicuit
diagram, minimal skills and I suppose, no real enthusiasm to delve any
deeper (Plus I think management wanted a new one,........ well alright, me
too!) then it was really predestined or the tip!
I do not like throwing away perfectly good peices of equipment or rescuable
gear but sometimes.........
Still it is now landfill.
Yet again thanks to all for help and advise and happy veiwing!!!
FOG
Click to expand...

How old was the set? I remember staying in a country motel about 4
years back and they were still
using 1970's vintage 20" Hitachi sets in the rooms, so they must be
very reliable and/or cheap to maintain.
 
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