Toshiba SD-25VLSR Service Manual page 66

TROUBLESHOOTING GUIDE
AUTO TRACKING
DOES NOT OPERATE
Does the CTL pulse
signal (about 2.5Vp-p)
In auto tracking, is the
NO
NO
Check CONTROL HEAD.
voltage at pin 6 of IC3001 appear at pin 97 of IC3001.
2.5Vp-p
more than DC 0.2V?
YES
YES
Change IC3001.
E-10