location of color proms for punchout

There are 6 color proms on Punchout.

3 for the upper monitor, and 3 for the lower monitor.

All are 82s131 ( 512 x 4 )

Each prom controls one primary color for the monitor ( Red, Blue, Green ).

I believe the proms work as follows

Upper Monitor : 6E (Red), 6F(Green), 7F(Blue)
Lower Monitor : 7E (Red), 8E(Green), 8F(Blue)

These seem to go bad fairly often as I get quite a few requests for these.

Cheers,
Steph
www.Hobbyroms.com
 
There are 6 color proms on Punchout.

3 for the upper monitor, and 3 for the lower monitor.

All are 82s131 ( 512 x 4 )

Each prom controls one primary color for the monitor ( Red, Blue, Green ).

I believe the proms work as follows

Upper Monitor : 6E (Red), 6F(Green), 7F(Blue)
Lower Monitor : 7E (Red), 8E(Green), 8F(Blue)

These seem to go bad fairly often as I get quite a few requests for these.

Cheers,
Steph
www.Hobbyroms.com

Are they location specific? Such as 6E and 7E can not be swapped?
Dok
 
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