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Actually it is a bit tricky. You can pull the board out of that microphone. Be careful you cant buy replacement parts. On the top side of the board you will see B+ and B-. After you remove the board you can put in a new battery hook up and solder from the bottom. And it is harder getting this...
The older birds were a bad design with the light on the side. You can go through battereies like crazy. Especially if it is sitting close to something you can't see the light.
I never saw one with such sloppy heat sink compound. Also the road devil will sound bad. I tried every kind of mic imagineable on that radio and the only ones that sounded good were stock, 636L and 575M6.
It is a old Gregory Mark XV. Hasn't been used in years. I replaced all the electrolytics. It was buzzing like crazy. And replaced the jacks with Switchcraft. Got ready to put it back together and noticed the big filter cap.
I read that most of the multi canaster capacitors were per amp. Some...
Very low voltage 50v all the modern caps are 500v which is probably better. If I figured right that is 170 MFD. I would like to stick with a 1 piece cap or condenser.
So this amplifier is well over 50 years old. I got it well used when I was 12 or 13. Oh wow am I old. I am going over it and need to know what something is I believe it is a capacitor only markings are 60 mfd with a circle with flat bottom, 60 mfd with a square next to it , and 50 mfd with a...
Yes very sloppy. Never cut the legs sticking through the board. I think I am going to replace everything but the 2SD188. Most of the resistors look like they have gotten pretty hot. There is also a 2SC1419. I am going to up the wattage on all the resistors. with 1/2 or 1 watt. This is a friends...
That picture looks exactly right. Then there is a little foam washer where the round hole is. Sometimes they are missing and the key where your thumb goes is a little wobbly.
I was wondering is this bridge rectifier even hooked up correctly? The two red wires come from the transformer. I am thinking hot and neutral. The black and orange wire go to the board. The flat corner is the +. I am thinking this is wrong? Am I wrong but should one red go to the notched corner...
I do know c302 once exploded because someone replaced it with a axial. I read that the rectafier can be checked in circuit. I will take the leads off and check it. It does not short to ground so that is good.
I just got home and checked out the wiring and from the power plug to the power supply all is correct. I also checked the power socket and the center pin is in it. I also checked to see if the power cord could be plugged in the wrong way and it can not be plugged in wrong.
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