Panasonic AJSD955B - DVCPRO50 STUDIO DECK, Service Manual, Page: 133 / 562

MECH-54
5-21. A/C head Replacement
& Adjustment
<Tools required>
Nut Driver (5.5mm : VFK1150)
Hex Driver (VFK1148)
Hex Wrench (VFK1190)
Point:
Memorize height of the Nut (C) before remove
the Nut (C).
(Removal)
1. Loosen the hex screw (B) and remove the Nut (C).
Hang off the Head Height Adjustment Spring and
then remove the A/C Head Unit as shown in
Figure 5-21-1.
Figure 5-21-1
2. Remove the 2 screws (A) and disconnect the
P4001 on the RF/CUE P.C.B. and P30 on the
MECH I/F , and then remove the A/C Head from
the A/C Head Plate as shown in Figure 5-21-2.
Figure 5-21-2
3. Remove the Shield Cover by removing 2 screws
(D) in Figure 5-21-1.
4. Unsolder the lead wires as shown in Figure
5-21-3. (When unsolder the lead wires, do not
unsolder all 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 5-21-3)
2. Reinstall the shield case to A/C Head.
3. Install the A/C Head to A/C Head Plate by
tightening 2 screws (A), then set the gap parallel
between A/C Head and A/C Head Plate.
4. Install the A/C Head Unit.
5. Hang on the Head Height Adjustment Spring and
tighten the Nut (C).
6. Clean the surface of the A/C Head.
Figure 5-21-3
A/C Head Cable Color Connector
1 Pink Yellow
2 White
3 Pink Red P4001
4 White
5 Pink Green
6 White
7 White Yellow P30
8 Black