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TROUBLESHOOTING GUIDE
AUTO TRACKING DOES
NOT OPERATE
Replace IC1002.
Check CONTROL HEAD.
No
Yes
No
Yes
No
Yes
By manual tracking,
does the DC level at pin 84
of IC4001 change ?
In auto tracking, is the
voltage at pin 6 of IC1002
more than DC 1V ?
Check CYLINDER UNIT.
Does the CTL PULSE
(about 4.6Vp-p) appear at
pin 97 of IC1002?
E-10