My SI modded amp works!

spots25 · 20th April 2005, 05:18 AM

I'm so happy! I've never done any sort of PCB soldering/desoldering, but I got my amp modded in the usual way, and it works! It sounds fantastic. The LED stopped working (gonna investigate right now) and i can't turn it up too high becuause of my wussy 1000ma power supply, but all is good

ok, i checked it out, and my LED power output is reading 12v. I could have swore it was only 2v before. Someone else said it was 2v also. Very strange... anybody know whats going on?

motherone · 20th April 2005, 07:22 AM

Congrats. Did you lose the resistor on the LED? I believe it's R1 on the top of the board. Though usually the led would pop or cease to function if it were bridged/desoldered.

BWRX · 20th April 2005, 12:48 PM

Quote:

Originally posted by spots25
ok, i checked it out, and my LED power output is reading 12v. I could have swore it was only 2v before. Someone else said it was 2v also. Very strange... anybody know whats going on?

i had a look at the voltage across the stock LED in my modified amp and it's 2V.

spots25 · 20th April 2005, 10:45 PM

Quote:

Originally posted by BWRX

i had a look at the voltage across the stock LED in my modified amp and it's 2V.

ok, thats what I thought. Oh well, mine's putting out 12v, and with the proper resistor on a new LED, its working just fine

Oh well, I'm not complaining

Dominique · 20th April 2005, 11:25 PM

Was it a kit? Maybe you mixed up two resistors and now there is the one for the LED somewhere else in the circuit (!), or possibly the wrong LED resistor value was in the kit??

20th April 2005, 05:18 AM	#1
spots25 diyAudio Member Join Date: Jan 2005 Location: Minnesota (go Vikings!)	My SI modded amp works! I'm so happy! I've never done any sort of PCB soldering/desoldering, but I got my amp modded in the usual way, and it works! It sounds fantastic. The LED stopped working (gonna investigate right now) and i can't turn it up too high becuause of my wussy 1000ma power supply, but all is good ok, i checked it out, and my LED power output is reading 12v. I could have swore it was only 2v before. Someone else said it was 2v also. Very strange... anybody know whats going on?

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20th April 2005, 07:22 AM	#2
motherone diyAudio Member Join Date: Apr 2003 Location: Seattle	Congrats. Did you lose the resistor on the LED? I believe it's R1 on the top of the board. Though usually the led would pop or cease to function if it were bridged/desoldered.

20th April 2005, 11:25 PM	#5
Dominique diyAudio Member Join Date: Jul 2004 Location: Berlin	Was it a kit? Maybe you mixed up two resistors and now there is the one for the LED somewhere else in the circuit (!), or possibly the wrong LED resistor value was in the kit??

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