Panasonic AJ-YA120AG, Service Manual

Page: 296 / 647

MECH-26
2.
Replacement and Adjustment Procedures of Major Parts
GENERAL
When mechanical parts are replaced, pay attention to
the following notes.
1. Always turn power off before replacing any parts.
2. If any adjustment is required after replacing parts,
perform the required adjustment.
3. Use proper tools and fixtures.
4. Be sure to clean the parts after replacement, and
also to replace the mechanical parts, following the
replacement procedure.
Refer to the Section 1 of Service Information
regarding to the each parts maintenance schedule.
2-1. Replacement of Cylinder Unit
(Removal)
1. Disconnect the upper flexible cable which connected to
the connector P2 on the RF/CUE Board.
2. Open the Power 3 Board and Servo Board under the
Mechanical Cassis.
3. Disconnect the lower flexible cables which connected to
the connector P3 and P4 on the RF/CUE Board, and
P33 on the MECHA I/F Board.
4. Unscrew the 3 screws (A) (with spring) which fix
the Cylinder Unit as shown in Figure 2-1-1, then
remove the Cylinder Unit without touching any
mechanical parts.
Fig. 2-1-1
(Installation)
1. Install the Cylinder Unit in the reverse steps of the
removal
Note :
Don’t touch the cylinder unit with fingers directly, when
installing the new cylinder they will oil film on head.
When installing the Cylinder Unit, the pin on Mecha.
Chassis should mach with holes of cylinder unit.
Screws (A)
Cylinder Unit