[TechAssist] Re: Sony KV27TS20 No Horiz drive
- From: "tony saracco" <tcselectronics@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 21 Nov 2003 18:16:11 -0600
I will try defeating the shutdown ckt at pin 3 but the Hi Voltage is not
coming up at all, I believe its a prob with IC 301 or no VCC to the horiz
portion of IC 301. Do you have a scan of IC 301 you can Email me.
Tony Saracco
TCS ELECTRONICS
Elgin , IL 60120
847-695-1928
tcselectronics@xxxxxxxxxxxxxxxx
----- Original Message -----
From: "tomlee" <t8872695@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 21, 2003 3:07 PM
Subject: [TechAssist] Re: Sony KV27TS20 No Horiz drive
> Tony.
> May be it is in high voltage shut down. Is there IC pm 501. defeat it by
> unsolder pin 3 of pm501.
> Dang TD electronics
> -----Original Message-----
> From: tomlee <t8872695@xxxxxxxxxxxxx>
> To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> Date: Friday, November 21, 2003 11:28 AM
> Subject: [TechAssist] Re: Sony KV27TS20 No Horiz drive
>
>
> >Hello.
> >This site may helps you.http://www.tritronicsinc.com/telamatics/sony.html
> >Ic cxa1013 pin 11 has 2.4 v and it is hd output.
> >Dang TD electronics
> >18546 sherman way CA
> >-----Original Message-----
> >From: tony saracco <tcselectronics@xxxxxxxxxxxxxxxx>
> >To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
> >Date: Friday, November 21, 2003 8:48 AM
> >Subject: [TechAssist] Sony KV27TS20 No Horiz drive
> >
> >
> >>This set comes on and has B+ to the output but no horiz drive to the
> output
> >from IC301
> >>Do not have the manual and cannot seem to find a data sheet on IC301 to
> >check B+ to the horiz drive. I have replaced the coupling cap (.47uf 50v)
> >between the base of horiz drive transistor and the IC 301 but It has no
> >drive from the chip. any ideas or maybe a print of IC301 ( CXA1013AS)
> >>
> >>Tony Saracco
> >>TCS ELECTRONICS
> >>Elgin , IL 60120
> >>847-695-1928
> >>tcselectronics@xxxxxxxxxxxxxxxx
>
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