A/C Head Replacement; Replacement - Panasonic AJ-D400P Service Manual

10-2. A/C Head Replacement

10-2-1. Replacement

v Required tools:
Nut Driver (5.5m/m)(VFK1150)
Hex Driver (VFK1148)
Hex Wrench (VFK1190)
(Removal)
1. Remove the Cassette Cover and Left Side Panel..
2. Remove the Cassette Up Unit.
3. Loosen the hex. screw (B) and remove the Nut
(C). Pick up the Head Height Adjustment Spring
and then remove the A/C Head Unit as shown in
Figure 10-2-3.
Point: Memorize the height of Nut (C) before
removing the Nut (C),
Fig. 10-2-3 Removal of A/C Head Unit
4. Remove the 2 screws (A). Disconnect the
connector P1003 on the Rear Jack P.C.Board
and P600 on the Servo P.C.Board, and then
remove the A/C Head from the A/C Head Plate.
Fig. 10-2-1 Removal of A/C Head
5. Remove 2 screws (D) to remove the Shield Cover
as shown in Figure 10-2-3.
6. Unsolder the lead wires one by one. (Don't
unsolder all wires at the same time.)
(Installation)
1. Remove the Shield Case from the New A/C Head
and solder the lead wires to New A/C Head (Refer
to Figure 10-2-2).
2. Re-install the shield case to A/C Head.
3. Install the A/C Head to A/C Head Plate and tighten
2 screws (A) so that A/C Head is parallel to A/C
Head Plate.
4. Install the A/C Head Unit.
5. Put on the Head Height Adjustment Spring and
tighten the Nut (C).
6. Clean the surface of the A/C Head.
7. Perform the A/C Head adjustment.