[TechAssist] Re: Sony KV-27XBR36 (SY-CTV20-T) Overscanned Picture, with low b+ supply voltage.
- From: Eric Manuel <tvman@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 23 Apr 2005 12:49:31 -0230
Check this
Sony KV27XBR36 Width varies then shutdown Resolder IC651 on G
board(power supply)
Eric
E M Electronics
Deer Lake Nfld
Canada
tvman@xxxxxxxxxxxxxxx
Bruce Tiedeman wrote:
> The picture deflection is over scanned and the power supply has low B+
> voltage. Looks like and open capacitor some where.
>
> The picture is full ,Overscanned top and bottom and sides. The collector B+
> is 108 volts and 871 PPVolts. I checked the power supply caps OK. I removed
> the supply and checked the B+ is low with it removed from chassis. You would
> think the deflection would be reduced with low B+ . Before I check the caps
> in the horiz section thought I would see if any one has seen this before.
> thanks
> Bruce.
>
> B&T Electronics
> 139 Margaret St
> Sarnia Ontario
> Canada
> N7T 2Y3
> 519 344 1850
>
>
> -----------------------------------------------------------------------------
> 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/
Other related posts:
