Parasound HCA-2200 problem - need some help - Page 2 - diyAudio
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Old 7th March 2012, 11:56 PM   #11
tvrgeek is offline tvrgeek  United States
diyAudio Member
Join Date: Dec 2009
Location: Md
And people keep telling me caps last forever. Not so.

Wow, 6 pairs of outputs.
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Old 28th January 2013, 02:45 PM   #12
Muddler is offline Muddler  United States
diyAudio Member
Join Date: Oct 2009
Location: USA
Update to close out an old thread.
I did replace all of the electrolytics (NP and standard) as Bigskyaudio suggested on that board.
While I was there I also swapped out all of the resistors that looked baked.
I went with bigger resistors also, the 2Ws I replaced with 3Ws, 1W with 2W etc..
For the 2W ones by the XLRs that looked cooked and baked the board, I also mounted them about 1/4" up off the board and put insulator (stripped wire jacket) around their stilt legs.
I figured giving them some room to breathe might also help in heat dissipation.
Bottom line, it now does wait a few seconds before it comes out of standby mode as it should.
It is very quiet, no hum or noise from amp or speakers, and sounds great.
Thanks again.
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Old 28th January 2013, 03:45 PM   #13
diyAudio Member
Join Date: Jan 2011
Location: Fosser, Aurskog-Holand, Akershus, Norway.
Tells us how much there can be accomplished when one turns to some friends for help.

And for Our Greek friend just above You here: Who gave you ever the idea that Caps are forever? (Caps here: Electrolytic aluminium Capasitors) WAY off.

Nice amp Muddler.
Sooner or later you end up with TANDBERG
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Old 29th August 2013, 09:50 AM   #14
diyAudio Member
Join Date: Jul 2013

I own a Parasound HCA-2200 (1st version) since 1994 which has one channel,
can't remember left or right that makes a very LOUD sound on power up. It happened
immediately unlike when it is running as it should be.

Causes: a faulty tube pre-amp which let out very signal into my parasound which
blow off both my speaker woofer instant.

I didn't have it repair till today because i don't know much on electronics. The set still
run fine except for the start up "poh" sound.

I hope to get it repair by myself, or someone can guide me to which component
might be burn.

Wee Teck

Apologies up front for my lack of knowledge; I am a novice with electronics. The following info may give a clue to someone who knows what there doing. Some of this info maybe be relevant and some extraneous.
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