Brake Arm S, Ratchet Brake T; Flexible Board (Condensation Sensor); Reel Table Assembly, Idler Gear A Assembly And Idler Gear B - Sony DSR-25 Service Manual

DSR-25
3-12. BRAKE ARM S, RATCHET BRAKE T, TENSION COIL SPRING (BRAKE), SBR SLIDER AND FP-248 FLEXIBLE
BOARD (CONDENSATION SENSOR)
Disassembly: Remove them in order of 1,2,3,4
(To attach them, perform the disassembly steps in reverse order.)
FP-248 flexible board
(Condensation sensor)
SBR slider 3
C
Tension coil spring
(brake)
Clean here
with alcohol.
Hole
3-13.

REEL TABLE ASSEMBLY, IDLER GEAR A ASSEMBLY AND IDLER GEAR B

Disassembly/Assembly
(Do not touch the TG band block.)
When the reel table assembly is replaced or attached, perform each
adjustment from Adjustment Start -1 of the flowchart on page 5-
23.
Reel table assembly
Idler gear A
assemblies
Shaft
E
Shaft
A
Shaft
B
Clear off the stop washers of
the adjuster side of the TG
band in advance as shown
in the figure.
4
Brake arm S
1
Shaft
2
Ratchet brake T
A
Hole
B
Idler gears B Reel table assembly
Shaft
Shaft
Shaft
B
Remove the SBR slider
while being careful not
to touch the adjuster.
Cannot be
removed.
Can be
removed.
A
Insert shaft
into hole
A
1
Hook the hook of the spring on
the brake side from underneath.
Shaft
B
2
Tension coil
spring (brake)
Checks before work
The TG band winds around the slit of the reel table assembly. Be-
fore removing the reel table assembly, clear off the TG band while
referring to the left figure. When attaching the TG band, be sure to
use new stop washers.
Good
When attaching each gear, apply grease to each fixing shaft. Apply
grease of half the size of one rice grain to the top side of shaft C.
When attaching the idler gear A assembly, be careful not to apply
grease to the reflection panel.
Shaft
C
Shaft
B
Shaft
D
A
5-14
Portion of the SBR slider
C
and brake arm S must run
close to each other.
The idler gear A assembly
must be engaged with the
gear teeth.
.
A
When attaching the FP-248 flexible
board, scrape the contact surface
with a swab to stick the flexible
board to the chassis.
Do not touch the sensor block
(black area).
Two solders
Temperature of tip of soldering iron:
350 ± 20 °C
Hold time:
one second or shorter
Shaft or
D E
Not good
When attaching the TG band, the part also
must be inserted into shaft
C
Apply grease to part.
(half size of one grain of rice)
When attaching the idler gear
A assembly, be careful not to
apply grease to the reflection panel.
Insert shaft
into hole .
B B
or .
D E
Shaft
A