Sony WM-D6 - Torque Measurement

Pinch Roller Pressure Adjustment
Procedure;
— playback mode —
1. Pull the spring scale.
2.
Slowly
return
the
pinch
roller
and
read
the
spring
scale
just
when
the
pinch
roller
starts
to
rotate.
If necessary, bend or replace the spring.
pinch roller
capstan
spring scale (500g)
200 — 2809
(12.5— 17,502)
MOTOR-PULLEY PRESSURE ADJUSTMENT
— Forward mode —
Place the set horizontally.
2. Put a spring scale vertically on the edge of the
motor holder as shown below.
3.
Push
the
spring
scale
down
vertically
until
the
motor
pulley
just
detaches
from
the
flywheel’s
rubber
ring
and
read
the
spring
scale
at
this
instance.
If necessary, adjust the tension of the tension
spring or change the spring.
spring scale position
specification: 80—120g (5 —7.§ oz)
v
{- @)
fly wheel
spring scale position tension spring
WM-D6
TORQUE MEASUREMENT
1. Place the set horizontally.
TORQUE
MODE METER TORQUE
Forward 25 —50g¢cm
Record CQ-102B ' (0.35 — 0.49 oz+inch)
Back 1.5-3.5 g-cm
tension
(0.02
—
0.049
ozeinch)
Fast-
forward
more than
CQ-201B 60 g-cm
Cue (0.83 oz+inch)
Review
Rewind
TAPE TENSION CHECK
1. Place the set horizontally.
TORQUE
METER
Forward
Rewind
TORQUE
MODE
Forward
after cueing
more than
60g-cm
Forward
(0.83
oz-inch)
after
reviewing
aerate
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