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Aim for P2, P3 Posts Adjustment
Envelope
5-2-(2). ADJUSTMENT OF P4 POST
(1) Install A/C Head on the Mechanism Chassis by one
screw.
(2) Playback the Alignment Tape.
(3) Rotate the screw (A) or (B) until the wrinkle appears on
the lower edge of tape at P4 Post.
(4) Rotate the screw (A) or (B) until the wrinkle just
disappears on the lower edge of tape at P4 Post.
(5) Connect the oscilloscope to audio output terminal.
(6) Rotate the screw (C) until audio signal is maximized.
NOTE:
1.
The relation between the rotation direction of screws (A)
and (B) and the condition of wrinkle on the lower edge at
P4 Post as shown in Fig.M9.
2.
Make sure that there is not the inclined wrinkle between
P4 Post and Pinch Roller.
Post Name
Adjustment Method
Turn P2 Post counter-clockwise
P2 Post
P2 Post
Turn P2 Post clockwise
P3 Post
Turn P3 Post clockwise
P3 Post
Turn P3 Post counter-clockwise
P2/P3 Posts
Turn P2 Post clockwise
(Less than 1 revolution)
Turn P3 Post counter-clockwise
(Less than 1 revolution)
Fig.M8
(Approx. 1/2 revolutions)
(Approx. 1/4 revolitions)
(Approx. 1/2 revolutions)
(Approx. 1/4 revolutions)
27
Fig.M9
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