Toshiba Satellite M45, Service Manual

Page: 33 / 94

4. If the section A in Fig. 11 does not meet the
specification, adjust the S-guide roller up or down
If the section B in Fig. 11 does not meet the
specification, adjust T-guide roller up or down.
ENVELOPE
6 Slightly loosen the set screw at the lower part of the
S, T-guide rollers with a (Hex Wrench so that
the guide roller can be adjusted with reasonable
tightness. (Refer to Fig. 12)
ROLLER
SET SCREW
12
7. Playback the alignment tape (Mono Scope
8. Connect an
CH-1 to TP302 and CH-2 to
on the same PCB for
9. Turn the roller heads a flat head screw
to flat video RF envelope as shown
13.
10. After the adjustment
IS
completed, tighten the set
screws
11 Adjustment Points
HEIGHT
TOO HIGH
IDEAL ENVELOPE
HEIGHT
TOO LOW
TOO HIGH
HEIGHT
TOO LOW
GUIDE ROLLER
GUIDE ROLLER
Fig. 13 S, T-Guide Roller Height Adjustments