A/C Head Adjustment Method - Panasonic AJ-D400P Service Manual

1-15. A/C Head Adjustment Method

Adjustment Item SCREW
Tilt adjustment
Height
adjustment
Azimuth
adjustment
X-value
adjustment
Fixed
Tilt and Azimuth
Fixed height
SCREW
A
B
F
C, D, G
H
1. Each adjustment of A/C Head should be perform under the screw (G) tightened.
2. Confirm the screw (A) does not loosen, before execute the A/C Head Tilt adjustment. The screw (A) should be
always touch to top of A/C Head.
3. Be careful the tape damage at T3 Post, when adjust tilt of A/C Head.
4. When the height of A/C Head is adjusted by Nut (B), first the screw (H) should be loosen. And after height
adjustment finished, tighten the screw (H) lightly.
5. Each adjustment of A/C Head should be finished at the condition of turn the each adjustment screw tighten
direction. And hit the portion (L) lightly for remove the distortion.
6. Adjust alternately each A/C Head adjustment with Envelope Waveform adjustment.
Adjustment Method
A Tighten direction...Decrease CUE
Loosen direction...Increase CUE
B Tighten direction...In case of increase CTL, when
Loosen direction...In case of increase CTL, when
F Phase is adjusted by screw F
C Adjust X-value by VFK0357 at Hole (E), then
D tighten the screw (C) and (D) to fix A/C Head
horizontal position.
G Screw (G) is always tighten during adjustment
except Tilt and Azimuth.
H After height adjustment, tighten the screw (H) to fix
height of A/C Head.
VFK1178 (0.89mm Hex Driver)
VFK1150 (5.5mm Tool for adjustment)
VFK1148 (1.5mm Hex Driver)
VFK1209 (Torque Driver)
VFK0912 (1.5mm Post Axis Driver)
VFK1190 (1.5mm L type of Hex Wrench)
A/C Head Press down.
A/C Head lift up.
Tool for adjustment
L
Lift up
Portion
Torque
2.5 Kg.cm
1.0 Kg.cm
Press down
Portion