Atari CX 5200 Field Service Manual page 117

CONTROLLER TESTING WITHOUT A 5200 CONSOLE
An Ohm meter
•
Procedure:
Use F igure 6-2 on Page 6-3 as reference for Steps 1 and 2.
Move the controller joystick to position 1 . Use an Ohm meter to determine the
1 )
pot readings through the cable (cable connector Pins 1 1 &: 9 and 10 &: 9).
pot reading should be no greater than 50K ohms.
Move the controller joystick to position 2. The pot reading through the cable
2)
should be at least 430K ohms greater than in position 1 (cable connector pins
1 0 & 9 and 1 1 &: 9).
To check the switches you must connect the leads of the ohmm eter to the pin
3)
numbers given below.
resistance (open circuit). With the button depressed it should show less than
5 0 K ohms resistance.
sides) separately to make sure they both wor k (see F igure 6-3 on page 6-6 for
pin locations).
Top F ire Button
Bottom F ire Button
Start
Pause
Reset
1
2
3
4-
5
6
7
8
9
*
o
II
Failures can be repaired using pages 6-6 through 6 - 1 0.
CX5200 Field Service M an ual
Without the button depressed it should show infinite
Be sure to press the two fire buttons (left and r ig ht
Controller P in Numbers
1 5 & 1 4
1 5 &: 1 3
4 & 7
4 & 6
4 &: 5
7 &: 3
7 &: 2
7 &: 1
6 &: 3
6 &: 2
6 &: 1
5 &: 3
5 &: 2
5 &: 1
8 &: 3
8 &: 2
8 &: 1
6-5
The
Changed by
ECN 110036
6 /2 1 /83