Amplifone HV faq comments

In a message dated 7/12/00 10:50:43 AM Eastern Daylight Time,
chris@westnet.com writes:

<< The wire positions mentioned didn't exacly match my board. The spot for
 the green wire, mentioned to be at 9:00 , was more like 11:00 . Slightly
 confusing, but the order was still correct. >>

I wanted to correct this, but I lost the link for doing the edit to the
archive. Jess, can you help?

<<- Perhaps someone could provide an explination of what the 5w/50ohm
resistors do. I know I'm interested in what these big things I added to the
board actually do. The diodes are someone obvious, but maybe just
mentioning them as clamping diodes for novices would be appropriate.>>

They are used accross the regs to handle transient voltages that happen when
the monitor is "working hard". This happens during the Death Star explosion,
during the ship explosion sequence & fishoid sequence of Major Havoc. I think
these occur when the monitor has to "strain" to repeatedly draw objects near
the edges of the screen. MAKE SURE you are using a HV board with the 5w 50ohm
resistors if the board is being used in Star Wars / ESB, or Major Havoc.
It is not necessary to have them in a board used in a Quantum machine, but it
wont hurt to use them.

MK
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Received on Thu Jul 13 22:48:08 2000