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