This is a rare box used by World Class Service and repair centers to test Super Nintendo systems.
It plugs into the cart slot and has cables to both controller ports and the video port. When powered up the software
in the tester checks video signals, clock timing, internal memory, and controller data. After that it runs a series
of tests like sprite mirroring, scaling, transparency, and music channels. The entire sequence runs about 2 minutes
and can be seen in the movie file below. Actual video output is far sharper than seen in the movie.
The box itself has Super Famicom labelled on top, but works in a USA NTSC Super Nintendo system. There is a button to select
which video output to check (RGB, S, VIDEO) and a button to test which clock to check (CIC, SYS, 21M). The clock output goes
to an RCA socket which would most likely connect to something like an oscilloscope. There are also buttons for BACK and NEXT.
The NEXT button is used during the video test when prompted. The colors of the case are much closer to the NES than the SNES.
Gray bottom is slightly lighter, tan top is slightly darker. Overall this one is in very good condition with no visible damage
and no yellowing. The board inside is labelled as SNS-TEST A-01 1991.
Tester plugged into SNES cart slot.
Connected to video port, RCA output.
Very long controller cables.
Lights to select clock test and video output.
Cart slot connector.
Video jumper cable.
Mpeg4 movie of test running. *WARNING* loud audio tests at beginning
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