Question about Sony STR-DE945 Receiver
My sony blows both fuses on the power supply bd (the one with 2 fuses two small caps and two large caps). I found that the B- voltage was shorting. This lead to finding that the two CENTER CHANNEL power transistors had two legs shorted together (center and right). I unsolderded them an smoked a 22mf 100V cap beside the conector on the main bd where B- and B+ come in. I need to find out where to order the tranistors or a substute part number. The number on them are SK B2560 AND SK B1647. There is also a nimber on the bottom (010). Thanks
The transistors you need are 2SD2560 and 2SB1647. (either you miss-read the D for a B or it was a typo) You can get them at: www.mcmelectronic.com
2S is a prefix on all Japanese transistors.
The 010 is a date code
Also check for open resistors from the base of those transistors and the dual emitter resistor (large white three leg resistor .22ohm)
Posted on Mar 01, 2009
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of.(from cars to computers, handyman, and even drones)
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Aug 18, 2010 | Sony STR-DE835 Receiver
Oct 07, 2009 | Sony KDE-37XS955 37 in. Plasma HDTV
Dec 03, 2008 | Symphonic SC309D 9 in. TV/VCR Combo
Aug 21, 2008 | Optics
May 01, 2008 | Televison & Video
Jan 12, 2008 | LG 50PX1D 50 in. Plasma Television
Nov 28, 2007 | RCA RT2500 System
Aug 23, 2007 | Sony KV-32V35 TV
Jul 10, 2007 | Sony KP-53V75 53" Rear Projection...
189 people viewed this question
Usually answered in minutes!