[TechAssist] Re: Sony KV2781R, blows Horz output transister
- From: "Intrepid Video Support" <support@xxxxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 15 Nov 2003 09:26:14 -0500
Allen,
From Tech Repair CD:
SONY\KV2781R\DEAD SET\\\\REPLACED FLYBACK (PN: 1-439-372-11) H.O.TRANSISTOR
2SD1497\(PN: 8-729-300-90)
REGULATOR IC STR3035 (PN: 1-439-372-11)\& S3WB602 (PN: 8-719-503-06) ALSO
RESOLDER HORIZONTAL
DRIVER\TRANSFORMER (PN: 1-437-079-00) ON *D* BOARD & REPLACE R55\WITH UPGRADED
ONE (PN: 1-246-979-00)\\\\
Jeff Dougherty
Intrepid Video TV/VCR
263 S Front St
Steelton PA 17113
fax...717-564-4952
www.intrepid-video.com www.tech-repair.net
----- Original Message -----
From: "tvtech" <tvstore@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 14, 2003 12:48 PM
Subject: [TechAssist] Sony KV2781R, blows Horz output transister
Sony KV2781, blows Horzontal output transister & regulator after 2 minutes
of operation. I have replaced the caps on the driver transformer. The
output wave form is not real sharp on the transistions. Any suggestions?
Thank you
Allen Josephsen
The TV Store
907 East 7th ST
Atlantic Ia
tvstore@xxxxxxxxx
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