Sony HDCAM HDW-F900R Maintenance Manual page 327

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.
2. CTL head replacement
(1) Remove soldering from the two wires that are
connected to the head.
(2) Remove the two screws on the rear of the
CTL head and remove the CTL head.
(3) Clean the contact surface and install the new
CTL head with two screws.
The standard tightening torque value :
20 x 10 _2
N.m (2 kgf.cm)
(4) Connect the two wires to the printed wiring
board of the CTL head. (Refer to (1) of step 2
of "Removal".)
n
Never make mistake of colors and connec-
tions of the wires when soldering them. Any
mistake results in severe troubles of tape
interchangeability.
HDW-F900R/V1 (E)
FE/CTL head
assembly
CN505
Red
CTL head
Precision screws
P1.4 x 3.5
MDC-13G board
Gray
Soldering
CTL head
PS2 x 5
7-55