Toshiba M-V19H01 Service Manual page 116

Alignments and Adjustments (Mechanical)
SCOPE SETTINGS
Fig. 5-8 Tracking Preset Adjustment
Fig. 5-9 Control Pulse Adjustment
5-4
5-2-2(C) AUDIO AZIMUTH ADJUSTMENT
Test Points :EYM03-H'D SW (head switching sync)
EYM05-EnV (envelope waveform)
Fig. 5-10 Test Point Position (Main PCB : Parts)
1. Play back the tape lion pattern.
2. Observe the video envelope signal on the
oscilloscope after taking sync with the video
switching pulse.
3. Make sure that the video envelope meets the
specifications of Fig. 5-11 (especially for
minimum values).
Note :
a = Maximum output of the video RF envelope
b = Minimum output of the video RF envelope at the
entrance side
c = Minimum output of the video RF envelope at
the center point
Fig. 5-11 Envelope Waveform Adjustment
4. If Fig. 5-12 A does not meet the specification,
adjust the S-guide roller up or down.