Star Tech Journal

22
STAR*TECH JOURNAL/DECEMBER 1983
ATARI
STAR WARS AMPLIFONE X·Y MONITOR
By Russell Gorr, Atari, Inc., Somerset, NJ
To help troubleshoot the Atari Amplifone 19-inch Color X-Y Display
Unit, the following waveforms and operating voltages are listed.
YAMPLIFIER
SPOTKILLER
04 Base is -30vdc
05 Base is +30vdc
XAMPLIFIER
·-
I
_I
~ .• i ~
/
r
I
r
~I
"
J
A A
fov,\ • I I \ I :/Li
r
i ~' / J \I • \ I
'
A I i/1
\ I/;
'
i
1V:
'
01 Emitter 2V/DIV. 1 ms
I
...,... _.
- -
I
--- ..- \.
r--
09 Base 2V/DIV. 5ms
01 oBase 2V/DIV. 5mS
Os Emitter is 25vdc
Os Base is 27vdc
011 Emitter 2V/DIV. 1 ms
ZAMPLIFIER
i
'
..
,
n j
\I\
j
/I
01 Base 2V/DIV. 1 ms
-
M
~
./
,.. I
~/
011 Base 2V/DIV. 1 ms
024 Emitter 1V/DIV. 1 ms
;
:
I
,I
I-
I ,: 'i "iii' ,,. . ' ! ,, !
,,,ii H .J •i !l!
j,
l
DAI
! I
l
•!
I
I
02 Base 2V/DIV. 1 mS
i
I
'
I
i
I
i
I
014 + 015 Collector 1 OV/DIV. 1 ms
•
••
024 Base 1 V /DIV. 1 ms
025 Base is +O.?vdc
025 Collector is Ovdc
\
04 + 05 Collector 1 OV /DIV. 1 ms
All waveforms taken with the Star Wars
Self Test Crosshatch pattern displayed.
015 Emitter 1 OV/DIV. 1 ms
01 5 Base is +30vdc
Continued on next page.
01 4 Base is -30vdc
01 3 Collector is -27vdc
05 Emitter 1 OV/DIV. 1 mS
Star Wars• 1983 Lucasfilm Ltd. and Atari, Inc. All
Rights Reserved. Trademark of Lucasfilm Ltd.
used by Atari, Inc. under license.