RCA 1861, NTSC and a DEC VR-201

From: Pete Turnbull <pete_at_dunnington.u-net.com>
Date: Thu Sep 30 02:35:54 1999

On Sep 29, 19:02, Ethan Dicks wrote:

> Pin 12 appears to be video. It goes off under the connector, through a 0
Ohm
> jumper, across a Yellow-Purple-Gold-Gold resistor, then tied to ground
via
> a Grey-Red-Black-Gold (might be Sky Blue-Red-Black-Gold) and then through
one
> of the rear pots. I would spec the values, but I'm not used to such odd
colors
> in the significant digits of resistors (just as tolerance bands). Would
a
> EE care to translate these? Might that second one be 92 Ohms? Could the
> first one be 7.5 Ohms?

Yellow-Purple-Gold-Gold = 4.7 ohms 5% tolerance
Grey-Red-Black-Gold = 82 ohms 5% tolerance
Blue-Red-Black-Gold = 62 ohms 5% tolerance

The last is rather unlikely, since it's not an E12 or even E24 preferred
value.

-- 
Pete						Peter Turnbull
						Dept. of Computer Science
						University of York
Received on Thu Sep 30 1999 - 02:35:54 BST

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