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screw
Figure M31-B
[When the inclined base is adjust to an arrow direction
(B) tape becomes to lower edge.]
3.
Confirm that tape position P3 post is upper edge
and then tighten screw as shown in Figure M31-B.
4.
Confirm that waving is occurred between upper
side of P3 post and
AIC
head. If there is waving
adjust the step 2.
Note:
After adjust inclined base tapeinterchangea-
bility and
AIC
head adjustment must be
required.
3-6-9. ADJUSTMENT OF THRUST GAP
1.
Turn the thrust adjustment screw clockwise to until
the capstan rotor just separate from the capstan
stator whit rotating the capstan rotor by hand.
2.
Turn the thrust adjustment screw clockwise to 180
degrees from paint at step
1.
3.
Set the 2 oil seal to edge of the capstan housing
as shown in Figure M32.
OiIseal
Figure M32
3-6-10. ADJUSTMENT OF FG GAP
«TOOL»
Fine Adj. screwdriver
Screwdriver
VFK0330
Porchase loclly
«SPEC»
O.16mm
±
O.04mm
1.
Loosen screw (0) and set the Fine Adjustment
screw driver n the hole on the Capstan Stator Unit.
2.
Adjust the gap between FG head and the Capstan
Stator unit.
3.
After adjustment tighten a screw (0).
SCREWS
GAP: O.16mm
±
O.04mm
Figure M33-A
Note:
After adjust FG head gap. FG output level
confirmation must be required.
Do not touch the surface of rotor and keep
any magnetizable material away.
CONFIRMATION OF FG OUTPUT LEVEL
1.
Connect a oscilloscope to TP8009 (CAP FG
output) on the Video 3 C.B.A.
2.
Confirm that FG output level is within specification
during PLAY/REC or PLAY mode.
3.
If FG output level is out of specification.
Readjust the step 1 - 3 of FG GAP Adjustment.
30mV to 180mV
Figure M33-B
3-23
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