[TechAssist] Re: Hitachi 46" PTV
- From: peggs <peggs@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx, <techassist@xxxxxxxxxxxxx>
- Date: Wed, 25 Jan 2006 16:18:02 -0800
got a part number for the spark gaps ???
Peggs
At 11:33 AM 1/25/06, tvservice wrote:
>the focus block has been an issue on these sets
>also clean or replace all 6 spark gaps 2 on each of the crt boards
>then realign gray scale
>be sure customer settings are in normal/standard
>
>Robert
>tvservice@xxxxxxxxxxxxx
>H & H Electronics Inc
>http://supertek.igniteinc.biz
>
>----- Original Message -----
>From: "peggs" <peggs@xxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Wednesday, January 25, 2006 2:22 PM
>Subject: [TechAssist] Hitachi 46" PTV
>
>
> > could someone forward this to Alvie Rodgers for me.......
> > model 46F510
> > HD Monitor
> > Oct. 2004
> >
> > Dark and Out Of Focus Picture.
> > Slight increase of the G2 controls(all) has given a Bright and
> > Balanced(Gray Scale) Picture....... and actually Increasing the Focus
> > Controls(all) has brought the Picture in focus as well,problem is the
>Focus
> > Controls are now wide open(turned all the way up).Picture looks good
> > now,but how's it going to look in 6 months ???
> > The Focus Voltage coming from the Fly is 10Kv.
> > Focus Voltage coming out of the Focus Block(going TO the picture tubes) is
> > app. 7Kv(controls wide open). Should it be 10Kv with the controls wide
>open
> > ???
> > If so,I may have a bad Focus Block.
> > If not,my fear is I have 3 Bad Picture tubes...... how do I check them ???
> > I guess it's possible I may have 3 Bad CRT Sockets......
> > Could Low HV cause this ???....... Focus Voltage coming from Fly seems
> > plenty High enough..... HOT B+ is 115v(I believe... found it coming from
>PS
> > PCB)
> >
> > Tritronics does not have a part number for the HV Block......... any help
> > out there ???
> > The (3) Picture Tubes are all around $172(my cost) from Tritronics.....
> > which sounds dirt cheap.... could that be because Hitachi is having a
> > problem with these tubes ???
> >
> > I'm headed to the Hitachi site.... if it's up.
> >
> > Peggs
> > Peggs' Electronics
> > 1519 West 2nd Street
> > Owensboro,KY 42301
> > 270-926-4968
> > fax 270-686-7399
> > peggs@xxxxxxxxxxxxx
> >
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