[TechAssist] Re: JVC 31" TV: AV31BP6 plug in, one click,dead. low +9V reg outputIC982
- From: Larry E <videotech@xxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 01 Oct 2004 17:53:24 -0400
Phil, comes from pin 9 of switch mode through rectifier D922, R922, L922,
to Q922`s EMITTER, then out the collector as 12.7 volts to pin 1 of IC982
good luck, Larry E
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34429
Phil Bader wrote:
> No outward signs of any open or shorted parts. Has 5V stby at I/R det,
> other stby volts there.
> I noticed the three leg 9V. regulator (like a 7809) IC982 has a low
> input, and low output at about 8.5 VDC out.
> With my external bench power supply I clipped it across the output of
> IC982 and pumped 9 volts there. The set came to life.
> I cannot seem to back trace the input source path to this IC. Need
> partial schemo of the IC982 input, or a verbal description, please. Need
> the voltage source of this IC.
> Thanks,
> Phil Bader
>
> --
>
> Philip Bader
> Jan Phyl TV Inc. (estab. 1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
>
> -----------------------------------------------------------------------------
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
- » [TechAssist] Re: JVC 31" TV: AV31BP6 plug in, one click,dead. low +9V reg outputIC982
