Proceed Pav Schematic

wayle45 · 2nd October 2006, 02:42 PM

Do any of you techies have knowledge of the Proceed Pav preamp? I thought I was upgrading the unit by replacing some high ESR caps. The unit no longer functions. Is it possible that these 68uf caps with ESR values of 10 ohms are required in the circuit to work with the IC's? Help!

B&Okie · 24th January 2007, 01:46 AM

Wayle45 and others,
Did you get any help? I am looking for some Proceed PAV help also. Actually I just need a remote or to find a universal that works well with the PAV. If you can be of any help, I would appreciate it.
Thanks,

B&Okie

Gordy · 24th January 2007, 09:42 AM

While I can offer no direct advice, I note that using the search facility for Proceed AND Preamplifier just netted me 35 hits, so if you do the same and trawl through those posts you may uncover people that may be able to help you (...who for whatever reason missed your original question).

Just a thought.
G.

wayle45 · 24th January 2007, 08:09 PM

B&Okie: Hi, I found that a "One For All" URC 8910 learning remote works decently. You should be able to control many functions as well as the volume. I found one online for about $26 shipped. The amp code is 1912. Don't expect to get every funtion- and ,yes, you'll need to work with it a bit. Good luck, Wayle45.

PWatts · 26th January 2007, 08:25 AM

10ohms ESR is damn high. I would imagine they should be so high for a reason. Some LDO voltage regulators specify a minimum ESR cap following them in order to protect their output stages during startup while the caps charge. It may be possible that you've blown something by the higher inrush current required by the low-ESR ones. Measure the voltage at the caps and before the regulators (or whatever precedes the caps) and see what happens.

wayle45 · 26th January 2007, 07:40 PM

PWatts: Thanks for the response. The Pav had a bad bridge rectifier which would blow fuses at startup. I replaced it and the bad caps.

B&Okie · 5th February 2007, 03:07 PM

Thanks Wayle45. I will check it out.

2nd October 2006, 02:42 PM	#1
wayle45 diyAudio Member Join Date: Nov 2005	Proceed Pav Schematic Do any of you techies have knowledge of the Proceed Pav preamp? I thought I was upgrading the unit by replacing some high ESR caps. The unit no longer functions. Is it possible that these 68uf caps with ESR values of 10 ohms are required in the circuit to work with the IC's? Help!

5th February 2007, 03:07 PM	#7
B&Okie diyAudio Member Join Date: Jan 2007 Location: Oklahoma	Thanks Thanks Wayle45. I will check it out.

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24th January 2007, 01:46 AM	#2
B&Okie diyAudio Member Join Date: Jan 2007 Location: Oklahoma	Wayle45 and others, Did you get any help? I am looking for some Proceed PAV help also. Actually I just need a remote or to find a universal that works well with the PAV. If you can be of any help, I would appreciate it. Thanks, B&Okie

24th January 2007, 09:42 AM	#3
Gordy diyAudio Member Join Date: Nov 2006	While I can offer no direct advice, I note that using the search facility for Proceed AND Preamplifier just netted me 35 hits, so if you do the same and trawl through those posts you may uncover people that may be able to help you (...who for whatever reason missed your original question). Just a thought. G.

24th January 2007, 08:09 PM	#4
wayle45 diyAudio Member Join Date: Nov 2005	B&Okie: Hi, I found that a "One For All" URC 8910 learning remote works decently. You should be able to control many functions as well as the volume. I found one online for about $26 shipped. The amp code is 1912. Don't expect to get every funtion- and ,yes, you'll need to work with it a bit. Good luck, Wayle45.

26th January 2007, 08:25 AM	#5
PWatts diyAudio Member Join Date: Jun 2003 Location: Bloubergstrand	10ohms ESR is damn high. I would imagine they should be so high for a reason. Some LDO voltage regulators specify a minimum ESR cap following them in order to protect their output stages during startup while the caps charge. It may be possible that you've blown something by the higher inrush current required by the low-ESR ones. Measure the voltage at the caps and before the regulators (or whatever precedes the caps) and see what happens.

26th January 2007, 07:40 PM	#6
wayle45 diyAudio Member Join Date: Nov 2005	PWatts: Thanks for the response. The Pav had a bad bridge rectifier which would blow fuses at startup. I replaced it and the bad caps.

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