[TechAssist] Sony KV-27HSR10 Chassis SCC-C60C-A

  • From: "teltek3" <teltek3@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Wed, 13 Aug 2003 13:59:28 -0400

Set came in with Horizontal Output shorted. The old transistor was a
2SD1941. Customer said that this transistor was changed 4 months ago. (not
by me).  I replaced it with a 2SD1497. Both of these transistors sub to an
ECG2300. Same old story...this transistor went out about 1/2 an hour after
turn on. Winstips says Change it with a 2SC4927 and change R523 to a 0.68ohm
1 watt. Apparently this is from a Sony Service Bulletin. Has someone done
that, and did it hold? Or are there other problems that will cause this H/O
to run Super hot, till it kacks?

-Ed-

Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx

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