[TechAssist] Re: Sony KV-27XBR36 (SY-CTV20-T) Overscanned Picture, with low b+ supply voltage.
- From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 23 Apr 2005 11:33:52 -0400
known PS issue... worth a look?
>From Tech Repair CD:
·SONY·KV32XBR36·Power supply cycles off and on-relays click····Open
C662(220/35v)
in power supply······
Also, resolder FBT.
Phil
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@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
>
>
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