Sony CineAlta HDCAM HDW-F900R, Maintenance Manual, Page: 330 / 546

7-58
HDW-F900R/V1 (E)
Removal
1. Removing the FE/CTL head assembly
(1) Remove the connector CN505 on the MDC-
13G board.
(2) Remove the three precision screws and
remove the FE/CTL head assembly from the
unit.
n
Be careful not to touch the screwdriver against
the video head, drum, erase head, tape guide and
other parts.
Precision screws
P1.4
x 3.5
CN505
FE/CTL head
assembly
MDC-13G board
PS2 x 5
White
Black
FE head
FE head
FE head
Soldering
Head CTL
plate assembly
Cleaning
2. FE head replacement
(1) Remove soldering from the two wires that are
connected to the FE head.
(2) Remove the screw from the rear of the FE
head and remove the FE head.
(3) Clean the contact surface. Push the new FE
head toward the Head CTL plate assembly as
for as it can go, and fix it with screw.
The standard tightening torque value :
20
x 10
_
2 N . m (2 kgf . cm)
(4) Solder the two wires to the printed wiring
boards of the FE head. (Refer to (1) of step 2
of “Removal”.)
n
Never make mistake of colors and connec-
tions of the wires when soldering them.