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Thanks very much for the quick response. I'm looking for the LED lights only. I'm sure my driver chips are good.

Now that a lot of people are using Joes LED meters, does anyone have a complete set of old LEDs chips that they are willing to sell? I am working on a Carver M-500 amp, and I need the LEDs that are the same as Phase Linear 400/700 amp. Many thanks....

I was told by everyone here that I can not stop at just on amplifier. I need everyone's option. I have a phase linear 4 fin to rebuild, I'll give it the full treatment with all boards from Joe and a speaker protection board from Watts. But I want to wait until Joe starts producing the new face...

Joe, I'll take one!

Completed. Here is a shot inside of her new case not mounted in the rack yet. Thank you everyone for the help. I now have a Phase Linear 400, 4 fin to rebuild. This amp will get the full treatment. Also have a Carver C-500 I'd like to rebuild next. The wife likes the bar graft better than the...

Good evening, everyone. It works!!!! When I got it, all the fuses were blown. Now I hear music. Never have I rebuilt anything electronic before. Thank you all. As you can tell, I did as Mark Comer did and put the amp into operation without being finished. Just had to hear this puppy. Will...

Ive noitced some dont use the front gain controls. Just wire from the RCA jact to control board. Whats everyones tought on this?

EVERYONE: I have Bias voltage! .350 Left side. .351 Right side. Was all my fault. I'm anal on how things look. My son calls me the king of wire ties. On one bundle I decided had to many ties. So, I sniped a couple of ties and cut the two green 22-gauge wires from the fuse holder shell...

Id assume to test the C and E voltage, the amp is powered up. Red lead on C from meter? Black lead on meter to copper bus? And than the same for E terminal?

DBT responded correctely. Bright for about 2 seconds and dims almost completely. Have not had the time yet to pull out the transistors and inspect. Will keep everyone in the loop.

First Good morning, everyone... Last night I installed my new repaired backplanes boards. (Thanks again Joe). Installed first roll of transistors, did all the electrical checks and everything passed with flying colors. Installed second roll of transistors. did all the electrical checks but this...

Joe, Boards arrived this morning. Getting everything ready to work on them this weekend. Again, Thank you for restoring my backplane boards. To and family and everyone else: Happy New Year!!!!

All, This will be a stupid question. When you clean the flux from the circuit board, do you clean both sides??

Joe, Guess I just need to clean, c;ean, clean, etc. Is there any reason that I cannot use Silicone Hook Up Wire of the correct AWG. I have tons of wire from my drone days!

Joe, As others have seen and said, what is the correct way to clean the boards as shown?

Joe, Do you still have my credit card on file? For the return shipping?

Joe, I did not think of you working through Christmas on my boards, of which I thank you!!! I’m glad you were also able to use these boards as a teaching lesson for others. After I get this 400 fired up, I have another one waiting to be upgraded. This is so relaxing to me in my evenings. Again...

Your shipment 1ZRV33500383220612 Estimated delivery Tomorrow, December 23 by 9:00 P.M. Joe, I've shipped these 12/13/22. Guess they got slowed up in the Christmas rush. Everyone have a good and safe Christmas!!!!!

Joe, You should have the boards Monday.

Everyone: Let me set things straight on the handles. I bought a series 2 black face plate from white oak. Did not come with matching black handles. What is everyone doing? Spray painting?