[TechAssist] Re: Sony KV32S42 No Audio
- From: gulftech@xxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 22 Jan 2002 15:12:21 -0600
Terry,
Replace IC641, generic SI3090, Sony 8-749-920-58. About $10. If you do
many Sony's, I'd buy a spare or two. I buy them from Fulton,
1-800-248-0898.
Ken Smith
Gulf Technical Services
3034 Gulf Breeze Parkway
Gulf Breeze, FL 32561
850-934-8324 (Voice) 850-932-0819 (Fax)
On Tue, 22 Jan 2002 15:11:51 -0500 Terry Joseph Hutchison
<sony1@xxxxxxxx> writes:
>
> Set came in dead lightning, repaired rect cir and set turns on with
> good
> pic and no audio. Missing or volts very low to AU jumper on power
> supply board(1.5 volts). Subed the power supply board with a close
> model
> and audio restored so I know the drop in volts is on this board. No
> prints can some one tell me the components most likely to fail on
> this
> module? D461 changed, D642 changed, D649 and 650 changed. I suspect
> IC641 but do not know pin out voltages to check for. Thanks for any
> help. Terry
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