Doug Keller Wis-Kel Electronics 101 Freeland Ave. Terra Alta, WV USA 26764 [EMAIL PROTECTED] http://www.tech-assist.org "Learn from the mistakes of others, because you won't live long enough to make them all yourself"
Intrepid Video Support wrote:
Doug, This is what I thought. I used a can of freeze spray, tap the board all over and could not get the left channel back. I want point I did if I selected Dolby for the output, but the audio on both channels was a lot lower than it should be. When I got out of Dolby and went back in, no left channel again. Like I said, this thing is hard to trouble shoot with everything connected, when there are no markings on the bottom.
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: "Doug Keller" <[EMAIL PROTECTED]>
To: "ELECTRONICS PROFESSIONALS LIST" <[EMAIL PROTECTED]>
Sent: Monday, February 23, 2004 11:32 AM
Subject: Re: [Techs] TA Onkyo TS-SV919THX..No left channel(It's back again...)
Does freeze/heat make any difference? Sounds like a bad/intermittent solder joint somewhere.
Doug Keller Wis-Kel Electronics 101 Freeland Ave. Terra Alta, WV USA 26764 [EMAIL PROTECTED] http://www.tech-assist.org "Learn from the mistakes of others, because you won't live long enough to make them all yourself"
Intrepid Video Support wrote:
This unit came if for a hum in speakers. This was repaired by replacing many caps supplying the -/+ 5v
regs.
Took it home, he brought it back for no left channel.
Found ring crack on volume control.repaired, had it all hooked up when he got here so he could check it
out..took it home and no left channel...AGAIN.
So, it's back now..Does anyone have suggestion before I rip this apart again? I damaged the ribbon cable
from the front control..that I had to repair from taking this apart so many times.
I did find I have audio signal from the PCB with the volume control on all channels. I do not have any signal getting to the output transistor for the left channel. This thing is become a pain as there are no markings on the printed side of this board. I do have a partial schematic thanks to Mr. Larkman. Any ideas, suggestions would be appreciated.. Thank you.
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
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