Advertisement
Tracking. Refer to
DIAGNOSTIC
2. Connect the oscilloscope to Pin 30 (Envelope signal) on the TP
Adjustment P.C.B. Use Pin 33 (Head Switch signal) as a trigger.
3. Play back the Alignment Tape (VFMS0004H6C).
4. Set the Screwdriver into the Hole (A) as shown.
5. Slowly move the A/C Head Unit to the direction "A" or "B" as
shown so that the envelope is at maximum.
6. To find the center of the maximum period of the envelope, move
the A/C Head Unit to confirm the limits on either side of the
maximum period.
Note:
It will be possible to confirm step 6) after performing the following
steps.
"SERVICE MODE SPECIFICATION (SELF-
SYSTEM)" in "SERVICE NOTES."
Fig. M6-1
Fig. M6-2
87
Advertisement
