Sony XDCAM EX PMW-EX3, Руководство по обслуживанию

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2-36
PMW-EX3
2-2-31. DPR-289A Board
1. Refer to Sections from 2-2-1 to 2-2-3, 2-2-5,
2-2-9, 2-2-13, 2-2-21, 2-2-24, and from 2-2-
28 to 2-2-30, and disassemble the unit up to
“Outside Connector Assembly” removal.
2. Disconnect the HN-326 board connector
(CN1) from the DPR-289A board connector
C
.
3. Disconnect the three prism connectors
a
,
b
and
d
from the corresponding three connec-
tors
A
,
B
and
D
on the DPR-289A board.
4. Disconnect the five harnesses and the flexible
flat cable from the corresponding six connec-
tors
E
,
F
,
G
,
H
,
I
and
J
on the DPR-
289A board.
5. Remove the screw, disengage the DPR-289A
board from the two dowels, and remove the
DPR-289A board in the direction of the
arrow.
6. Remove the three radiation sheets from the
DPR-289A board.
A B
C
D
J
I
H
G
F
E
a
c b
d
M2
x
4
(Silver)
Radiation
sheets
Flexible flat cable
Dowels
Coaxial cable
with connectors
Coaxial cable
with connectors
Harness
DPR-289A
board
DPR-289A board
HN-326 board
CN1
Prism connectors
7. Reinstall the removed parts by reversing the
steps of removal.
n
When connecting the coaxial cable with
connector, be careful of the following points:
.
Do not insert the connector at a slant angle.
.
Check to see that the contacting surface is
free from stain and dust.
. Hold the connector with its contacting
surface facing upward, and check that the
polarity marks are aligned.
Insert the cable by holding
the connector.
Do not bend
the cable.
NG OK
Contacting
surface
Polarity marks ( )