Sony DVCAM DSR-25, Руководство по обслуживанию

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5-20
DSR-25
Disassembly of MD-76 board
Peel off the FP-248 flexible board at the front of the chas-
sis (refer to page 5-14). Remove the six solders on the
FP-104 flexible board from the rear of the chassis. Re-
move the screws in order of
3 to 8 shown in the figure.
When removing the MD-76 board from the chassis, be
careful not to let the sensors touch the chassis.
3-19. MD-76 BOARD AND ENCODER RETAINER
Disassembly: Remove them in order of
1
,
2
,
3
,
4
,
5
,
6
,
7
,
8
,
9
Assembly: Attach them in order of
9
,
4
,
3
,
5
,
6
,
7
,
8
,
1
,
2
(Refer to the figure above or below.)
Assembly of MD-76 board
While being careful not to let the sensors touch the chas-
sis, position the two positioning pins and fasten the screws
in order of
1 to 5 . Then, solder the six parts on the
removed FP-104 flexible board and position the encoder
disk. Finally, stick the FP-248 flexible board on the front
of the chassis. (Refer to page 5-14.)
FP-248 flexible board
3
6
8
1
2
7
9
4
5
Screw
Positioning pin
tape A
FP-104
flexible board
(Six parts
are soldered.)
Screw
Screw
Positioning pin
Screw
Encoder cover
(A positioning
claw is hooked.)
Encoder disk
(Positioning is
required.)
FP-248 flexible board
(Condensation sensor)
Screw
MD-76 board
Sensor block
Peel off the flexible board while being careful not to get
the sensor block dirty or damage the sensor block.
Tape A
(Adhere a half of the tape in the peripheral of
the switches S2 and S3 on the MD-76 board
and adhere the remaining half on the mechanism
chassis.)
Solder the FP-104 flexible board
(six parts).
Temperature of tip of soldering iron: 350
± 20 ° C
Hold time: one second or shorter
Positioning pin
Screw
1
(This screw fixes the encoder cover.)
Encoder cover
Screw
3
Screw
2
Screw
5
Screw
4
Positioning pin
Tightening torque of MD-76 board
0.3432
± 0.0196 N·m (3.5 ± 0.2 kg • cm)
Positioning the encoder disk
Align the mark of the disk with the
v mark
printed on the board as shown in the figure.
(Be careful of the position of
a .)
Fit this claw
in the hole of
and fasten the screws.
MD-76 board
Note: When the tape A is removed, use the new tape A for
replacement. (See the illustration below.)