Check My Work For Me

winnard · Post by **winnard** » Sat Apr 02, 2005 12:12 am

The lighting on the pic isn't very good, but here's what I have done so far.
I messed up two resistors, no biggie, I'll check Radio Shark tomorrow for them. I don't have the caps installed yet, I emailed George for some info on the voltage on them. They are (.022s) 400v instead of 630v. Does it matter? I'm going to order some more Sozo's for the PTP, since I used the ones I had on the PCB'd 1959slp.

winnard

Billy Batz · Post by **Billy Batz** » Sat Apr 02, 2005 1:18 am

The only thing i see is your diodes look fishy. The bias recto diode looks to be oriented in the wrong direction and the bridge recto diodes are abnormal. The bridge will work that way but its not 'standard'. The way you have it the PT HV secondary would solder in on the 'sides' of the square while the bridge negative would be on the bottum of the board in the pic while the DCB+ will be on the top in the pic. Its a common mistake but one sure way to possibly do some damage. Make sure you know how to orient them.

winnard · Post by **winnard** » Sat Apr 02, 2005 1:29 am

Billy Batz wrote:The only thing i see is your diodes look fishy. The bias recto diode looks to be oriented in the wrong direction and the bridge recto diodes are abnormal. The bridge will work that way but its not 'standard'. The way you have it the PT HV secondary would solder in on the 'sides' of the square while the bridge negative would be on the bottum of the board in the pic while the DCB+ will be on the top in the pic. Its a common mistake but one sure way to possibly do some damage. Make sure you know how to orient them.

Please, any tips are greatly appreciated. I can take a better closeup picture of them, if you can direct me to the proper direction.

Thanks,

winnard

Dax-The-Ax · Post by **Dax-The-Ax** » Sat Apr 02, 2005 1:31 am

I think you are missing a jumper wire on your bias pot Turret (Black Arrow).

And if it's a 1959, the + (Light Grey) end of the diodes need to go in the direction of this pic.

winnard · Post by **winnard** » Sat Apr 02, 2005 1:35 am

Dax-The-Ax wrote:Yeah, the diodes are incorrect, wire them with the grey end in the direction that this pic shows.

And I think you are missing a jumper wire on your bias pot Turret (Black Arrow).

Awesome catch! Thanks for the help, I'm going back in. I'll post more pics later.

winnard

Billy Batz · Post by **Billy Batz** » Sat Apr 02, 2005 1:39 am

I made a graphic for you but I cant host it. Email me and Ill send it to you.

winnard · Post by **winnard** » Sat Apr 02, 2005 1:39 am

Dax-The-Ax wrote:I think you are missing a jumper wire on your bias pot Turret (Black Arrow).

The picture is gone. Could you email it to me? 8track1@cox.net

thanks.

winnard

Billy Batz · Post by **Billy Batz** » Sat Apr 02, 2005 1:43 am

I saw that too. Dont forget to ground that bias pot.

Dax · Post by **Dax** » Sat Apr 02, 2005 1:48 am

Sorry if the pics got wacky, i had to edit them a few times.

Dax

winnard · Post by **winnard** » Sat Apr 02, 2005 2:05 am

Okay, did the changes.

Not very pretty, but I'm learning.

winnard

Flames1950 · Post by **Flames1950** » Sat Apr 02, 2005 7:07 am

Sheesh, does anyone around here sleep at night?

On the cap voltage subject 400 volt caps are just fine on the board. SoZo's are typically 400V for .022's but the Mallories are sometimes easier to get a hold of in the 630V so you sometimes get a mix of Mallories.

winnard · Post by **winnard** » Sat Apr 02, 2005 9:52 am

Flames1950 wrote:Sheesh, does anyone around here sleep at night?
On the cap voltage subject 400 volt caps are just fine on the board. SoZo's are typically 400V for .022's but the Mallories are sometimes easier to get a hold of in the 630V so you sometimes get a mix of Mallories.

Cool, thanks. I'm going to fire it up with the Mallory caps, and switch them out later, (if it warrants). Heck, I might even like them.

winnard

Flames1950 · Post by **Flames1950** » Sat Apr 02, 2005 2:20 pm

It's not that you won't like the Mallories; they're good caps. The SoZo's are just that little bit more that we all seem to like: a little more clarity, a little more bite, a little more "Marshall."
I'm starting off with the Mallories in my Metro kit. I don't know if I'll get around to changing them out for SoZo's or not (I do still have three or four SoZo's around too.)