I connected my Atari 2600 "Light Sixer" to my 1980 Samsung B/W TV using the black box switcher but never could get a signal. πI then struggled for ~30 minutes getting a remote control to work with an old Dynex Flat screen TV I bought from Goodwill a while back. Follow the π§΅π 
I tried contact cleaner thru the switches and toggling them back and forth to no avail. Then, I checked the output of the 50 year old power brick and it was giving about 14 VDC. Perfect! Still when powering on, no signal.
I opened it up. Boy, not much to it!
I imagine there is another PCB under the cartridge box but man, this IS light!
I imagine there is another PCB under the cartridge box but man, this IS light!
Although this model says it's part of the 1978 update to the light sixers, I do see a piece of paper taped on a cartridge box. It says 8-3-82. I'm going to guess that was probably when this one was made?!
The electric line is testing good. Yay. Still nothing out the RCA cable. I did a resistance test and the old cable has a high reading. Going to find a single RCA cable to test...
Well, that was not the issue. Still researching...
I had to open the shielding box and look at the main board so decided to put it to rest for the night to come back to the next evening.
Had to remove the entire metal case for the Cartridge slot and Mainboard. Will have inspect for Bad caps, board lines or solder joints.
Removed the case to get to the beautiful main board...
Next, removed and reseated the ICs. When putting back on it sounded a little "crunchy". Then I decided to remove them again spray contact cleaner in the slots and checked all of the pins. All looked good.
Tested the CPU... 4.8VDC coming in but only 0.6 going out! Gemini tells it's the reset switch. Checked the resistance across each pair of legs on the switch...0.04-0.06 ohms. It appears either the switch IS the problem. Will need to remove it to verify. π’
Decided to box it back up for now and I'll take a look later once my office is organized. But, I may have to pull out the Nintendo to see if it will work! πThat will be for another thread!
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