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January 17, 2022, 08:48:23 PM

Author Topic: Left channel out. Help troubleshooting  (Read 557 times)

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Offline denti alligator

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Re: Left channel out. Help troubleshooting
« Reply #90 on: December 31, 2021, 08:52:00 AM »
Again, I’m giving up. I can’t see where this is coming from. If I jab every single terminal, plus some of the wires, plus some of the resistors and capacitors and it makes no difference; if I re-flow almost every connection and the right side and it makes no difference; I don’t see what else to do. I guess I could switch out the sockets for the 2A3 tubes and see if it changes channels. I’m getting to the point of frustration—and also totally bummed to be throwing a small NYE party with no music.
- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC -->J.River -->DSD256 -->Gustard X20 / Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable

Offline denti alligator

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Re: Left channel out. Help troubleshooting
« Reply #91 on: January 01, 2022, 08:42:30 AM »
Happy New Year!

I’ve got my PayPal invoice to send this to you, Paul, but want to give you a chance to weigh in one last time after hearing the recording (posted on previous page). Let me know if there’s any last-minute tests you think might help locate the source of this problem. Otherwise, I’ll pay the invoice and initiate the repair shipment. Thanks!
- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC -->J.River -->DSD256 -->Gustard X20 / Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable

Offline Paul Birkeland

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Re: Left channel out. Help troubleshooting
« Reply #92 on: January 01, 2022, 08:57:27 AM »
I still believe it's a loose connection with the realistic possibility that when it gets here it makes no noise in my workshop.
Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline denti alligator

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Re: Left channel out. Help troubleshooting
« Reply #93 on: January 01, 2022, 10:06:39 AM »
And most likely it is, but damned if I can’t locate it. Would you suggest trying to swop out the tube sockets? If the noise moves channels, we’d at least know it’s something there.
- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC -->J.River -->DSD256 -->Gustard X20 / Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable

Offline Paul Birkeland

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Re: Left channel out. Help troubleshooting
« Reply #94 on: January 01, 2022, 11:36:07 AM »
I think if you tried to remove the tube sockets, you'd probably damage one in the process to the point where it would no longer be useful, so you'd be worse off than you are now.
Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline denti alligator

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Re: Left channel out. Help troubleshooting
« Reply #95 on: January 01, 2022, 12:13:05 PM »
Too late, unfortunately. And I have to say, the socket on the right doesn’t look good. One of the pins drops down into the socket all the way. The other socket looks good. I’ve done the desoldering and hardware exchange. I’ll resolder
 after dinner and report back. If the noise moves channels I might as well start by replacing the socket.
« Last Edit: January 01, 2022, 01:01:20 PM by denti alligator »
- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC -->J.River -->DSD256 -->Gustard X20 / Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable

Offline denti alligator

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Re: Left channel out. Help troubleshooting
« Reply #96 on: January 01, 2022, 12:59:29 PM »
That was a bunch of work for nothing!  Switched out the sockets and the noise is still in the same right channel.

There’s no way you won’t hear this, Paul. I’m very curious to know the source and am very happy for your help on the way and your repair expertise!

Thank you. I’m paying for the shipping box now.
- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC -->J.River -->DSD256 -->Gustard X20 / Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable

Offline Paul Birkeland

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Re: Left channel out. Help troubleshooting
« Reply #97 on: January 01, 2022, 01:10:28 PM »
I appreciate your willingness to spend some time on your end before sending it out.
Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline denti alligator

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Re: Left channel out. Help troubleshooting
« Reply #98 on: January 01, 2022, 02:13:57 PM »
I’m very grateful for your patience troubleshooting with me, especially during the holiday week.
- Sam

Rega P3-24 (w/AT 150MLX) w/Groovetracer upgrades / Eros II / FLAC -->J.River -->DSD256 -->Gustard X20 / Stereomour II / Klipsch Forte II w/Crites upgrades / C4S S.E.X. 2.0 +Nickel MQ Iron / Speedball Crack / Sennheiser HD600 w/Cardas cable