Panasonic AJ-YA120AG, Service Manual

Page: 304 / 647

MECH-34
2-11. S4 Post Base Unit
Replacement
(Removal)
1. Remove the 2 screws A and the S4 Post Base
Unit. (Fig.2-11-1)
(Installation)
1. Install a new S4 Post Base Unit in the reverse
steps of the removal.
2. The post height pre-adjustment and Linearity
adjustment are required.
Fig.2-11-1
2-12. Tension Arm Unit
Replacement
(Removal)
1. Remove the S4 Post Base Unit.
2. Remove the cut washer B and the tension spring.
(Fig.2-11-1)
3. Remove the Tension Arm Unit.
(Installation)
1. Install a new Tension Arm Unit in the reverse
steps of the removal. The spring must be fixed
prior to installing the Tension Arm Unit.
2. The Tension Arm Adjustment is required. (See
the flowchart below.)
Fig.2-12-1
<Tension Arm Adjustment Flowchart>
1-5. Offset Voltage Adjustment
START
1-6. Neutral Position Adjustment
1-7. PLAY Voltage adjustment
1-8. Tension Regulator Spring Adj.
1-9. REV Tension Confirmation
END
NG
Screw A
S4 Post Base Unit
Cut Washer B
Tension Arm Unit
The spring must be fixed prior to
installing the Tension Arm Unit.