[TechAssist] Re: NOT FIXED, Sony KV-27TS30, why would R587 open?

From: gulftech@xxxxxxxx
To: techassist@xxxxxxxxxxxxx
Date: Fri, 10 Jun 2005 17:21:26 -0500
Kevin,

D518 is part number 871930065, replaced by 871997664.  Neither crosses to
an NTE replacement.

Tritronics shows the 871997664 as generic RGP02-17.  That crosses to an
NTE 525, 2000 PRV damper diode.  The NTE580 is rated at 600V.

HTH,


Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL  32563
850-934-8324 (Voice) 850-932-0819 (Fax)

On Fri, 10 Jun 2005 14:58:11 -0700 Kevin's TV Repair <kevintv@xxxxxxx>
writes:
> I thought this set was fixed.  But it only lasted a few minutes and 
> R587
> opened up again.  I replaced D518 with an ECG580 not touching the 
> board.
> Is this an acceptable replacement?  
> 
> Kevin Wilks
> Kevin's TV Repair
> Penticton BC Canada 
> kevintv@xxxxxxx
> 
> 
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Kevin's TV 
> Repair
> Sent: Thursday, June 09, 2005 12:26 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: FIXED, Sony KV-27TS30, why would R587 
> open?
> 
> Thanks for all who replied.  I did find 2 black marks under D518.
> Replacing it and R587 repaired this set.  What causes the burn 
> marks?
> Is there a partial short along the length of the diode on the 
> outside
> which causes this?  Thanks.  
> 
> Kevin Wilks
> Kevin's TV Repair
> Penticton BC Canada 
> kevintv@xxxxxxx
> 
> 
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Tony S
> Sent: Thursday, June 09, 2005 6:03 AM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: Sony KV-27TS30, why would R587 open?
> 
> Kevin, this was common back then, replace resistor and the 1000v
> rectifier 
> diode as well, it shorts under load. If you remove the diode you 
> will 
> usually see a burn spot under diode.
> 
> Tony Saracco
> TCS ELECTRONICS
> 406 Andra Ct.
> Gilberts, IL 60136
> tcselectronics@xxxxxxxxx
> 
> ----- Original Message ----- 
> From: "Kevin's TV Repair" <kevintv@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, June 09, 2005 12:55 AM
> Subject: [TechAssist] Sony KV-27TS30, why would R587 open?
> 
> 
> > Set came in with dark, red picture.  Picture tube tested good with 
> my
> > B&K.  I then found only 178 volts at G2.  I traced G2 (1000 volt 
> line)
> > back to an open, "browned" R587, a 1.8K 1 watt resistor.  I was
> > wondering if it was a common fault for this resistor to turn brown 
> in
> > the center and go open, or is the fly back or picture tube at 
> fault?
> > Thanks.
> >
> > Kevin Wilks
> > Kevin's TV Repair
> > Penticton BC Canada
> > kevintv@xxxxxxx
> >
> >
> >
> >
>
------------------------------------------------------------------------
> -----
> > This Email List is Public. Remove:
> http://www.tech-assist.org/remove.htm
> > Lost Password: http://www.tech-assist.org  and select "Login
> Problems?".
> > Appliance Repair List: 
> > http://www.tech-assist.org/secure/tip/chatjoin.htm#app
> > Email Archives: //www.freelists.org/archives/techassist/
> > 
> 
> 
>
------------------------------------------------------------------------
> -----
> This Email List is Public. Remove: 
> http://www.tech-assist.org/remove.htm
> Lost Password: http://www.tech-assist.org  and select "Login 
> Problems?".
> Appliance Repair List:
> http://www.tech-assist.org/secure/tip/chatjoin.htm#app
> Email Archives: //www.freelists.org/archives/techassist/
> 
>
------------------------------------------------------------------------
> -----
> This Email List is Public. Remove: 
> http://www.tech-assist.org/remove.htm
> Lost Password: http://www.tech-assist.org  and select "Login 
> Problems?".
> Appliance Repair List:
> http://www.tech-assist.org/secure/tip/chatjoin.htm#app
> Email Archives: //www.freelists.org/archives/techassist/
> 
>
-------------------------------------------------------------------------
----
> This Email List is Public. Remove: 
> http://www.tech-assist.org/remove.htm
> Lost Password: http://www.tech-assist.org  and select "Login 
> Problems?".
> Appliance Repair List: 
> http://www.tech-assist.org/secure/tip/chatjoin.htm#app
> Email Archives: //www.freelists.org/archives/techassist/
> 
> 
-----------------------------------------------------------------------------
This Email List is Public. Remove: http://www.tech-assist.org/remove.htm
Lost Password: http://www.tech-assist.org  and select "Login Problems?".
Appliance Repair List: http://www.tech-assist.org/secure/tip/chatjoin.htm#app
Email Archives: //www.freelists.org/archives/techassist/
[TechAssist] Re: NOT FIXED, Sony KV-27TS30, why would R587 open?

Other related posts:
