[GreenKeys] Resurrected ST-6

[W2HX]

I've also had a similar experience with the op amps. Seems they do go bad quite frequently

-----Original Message-----
From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of tony.podrasky
Sent: Saturday, April 23, 2016 11:07 PM
To: Green Keys
Subject: [GreenKeys] Resurrected ST-6

GE OMs;

Well - a few months back I got an ST-6 that had been stored for who knows how long.

Tonight, "The Monster Lives"!

Since I retired and moved out of the ranch, where I had a good-sized radio shack with a full workbench, I now have my radios in the hall closet and tools in the garage.

This made it a slow process in getting the ST-6 up because instead of being able to park it on the bench and attack it, I had to drag stuff all over the place - and put things back that I wasn't immediately using.

Work done:

o R/R bad capacitor on power supply board.

o R/R 7 "resistive" toggle switches that cause weird/intermittent errors.

o R/R 3 709 op-amps.

o Fix a couple of solder joints.

o "Flip" toggle switch that was wired backwards (or up-side-down).

o Tune up the boards.

With the help of eBay, I was able to get all the parts for beyond dirt-cheap! I have a few spare DPDT 250v @ 15 amp switches and a bunch of NIB 709 op-amps. They are available for cheap.

UE,
K2EAA - TONY
NNNN
ZCZC

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