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AUTO TRACKING DOES NOT
OPERATE
By manual tracking,
does the DC level at pin 6
of CP4001 change?
Yes
In auto tracking, is the
voltage at pin 5 of IC1001
more than DC1.85V?
Yes
Replace IC1001.
TROUBLESHOOTING GUIDE
No
Does the CTL PULSE
No
(about 1.0Vp-p) appear
at pin 19 of IC1001?
E-15
No
1.0Vp-p
Yes
Check IC4101 and
CYLINDER UNIT.
Check CONTROL HEAD.
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