5-48
6-3-5.
FWD/RVS BACK TENSION ADJUSTMENT
1. Preparation before adjustment
Mechanism deck: Install to the unit.
Jig used
: Mini DV torque cassette (J-6), pinset (For change the hooking of spring)
2. Adjusting
Note:
At the FWD (TG2) side, measure the Mini DV torque cassette (J-6) in the FWD mode.
At the RVS (TG7) side, measure the Mini DV torque cassette (J-6) in the RVS mode.
POWER
FWD BACK TENSION ADJUSTMENT
When the specification is not satisfied.
RVS BACK TENSION ADJUSTMENT
When the specification is not satisfied.
Tension
decreases.
Tension
increases.
Center
Tension
increases.
Tension
decreases.
Center
Spring adjustor
Tension coil spring (TG2)
The bow of the spring
should be faced inwards.
Bow
Visually inspect the meter.
FWD back tension
7.5
±
2.5
×
10
–1
mN•m
Spring adjustor
Tension coil spring (TG7)
The bow of the spring
should be faced inwards.
Bow
Visually inspect the meter.
RVS back tension
8
±
2.5
×
10
–1
mN•m
Mini DV torque cassette (J-6)
RP board
Deck
Back tension tape
Summary of Contents for DSR-20MD
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Page 223: ... 294 DSR 20MD 20MDP 9 974 189 11 Sony EMCS Co 2007E0500 1 2007 5 Published by Kohda TEC ...