[TechAssist] Re: Hitachi Projo Model 60SDX88B Chassis DX86 shorted HOT
- From: <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 30 Oct 2003 13:22:41 -0600
Gary,
I looked for that
Has LC circuit at +28 volt power supply feeding to hor driver 470mfd, coil
and 1200 mfd cap
Waiting for oem transistor hoping only bad solder caused failure
customer said picture was intermittent for awhile.
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
Dallas, TX
----- Original Message -----
From: "Gary McCartney" <gary@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 30, 2003 9:36 AM
Subject: [TechAssist] Re: Hitachi Projo Model 60SDX88B Chassis DX86 shorted
HOT
> See if there is a capacitor at the hor. driver transformer, then change
> it to see if the ringing dissappears.
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
>
>
>
>
> tvservice@xxxxxxxxxxxxx wrote:
> >
> > Hey group,
> > Have this Hitachi TV in with shorted HOT 2SC5413 and open 2amp pico
fuse
> > I have temporarily subbed with 2SD1887 and set ran half day OK
> > Waveform has ringing on the base, figured it was from subbing the
2SD1887.
> > I did a solder up all over the deflection board.
> > I have schematic but don't see waveforms listed.
> > It's hard to believe only HOT and fuse, normally there is some reason
for
> > failure
> > Is there anything else I should look for?
> > tia
> >
> > Robert
> > tvservice@xxxxxxxxxxxxx
> > H & H Electronics Inc
> > Dallas, TX
> >
> >
****************************************************************************
*
> > Classifieds! Buy or Sell!
> > http://sell.tech-assist.org
> > The Tech Address Book:
> > http://www.tech-assist.org/secure/tip/contact.htm
> > Add a Repair Tip Here, or Change/Remove your Email Address:
> > http://www.tech-assist.org/secure/tip/main.htm
> > Lost Password:
> > http://www.tech-assist.org and select "Lost your Login Info?".
> > Email Archives:
> > //www.freelists.org/archives/techassist/
>
> --
>
>
****************************************************************************
*
> Classifieds! Buy or Sell!
> http://sell.tech-assist.org
> The Tech Address Book:
> http://www.tech-assist.org/secure/tip/contact.htm
> Add a Repair Tip Here, or Change/Remove your Email Address:
> http://www.tech-assist.org/secure/tip/main.htm
> Lost Password:
> http://www.tech-assist.org and select "Lost your Login Info?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
*****************************************************************************
Classifieds! Buy or Sell!
http://sell.tech-assist.org
The Tech Address Book:
http://www.tech-assist.org/secure/tip/contact.htm
Add a Repair Tip Here, or Change/Remove your Email Address:
http://www.tech-assist.org/secure/tip/main.htm
Lost Password:
http://www.tech-assist.org and select "Lost your Login Info?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
