Pioneer KEH-M5500 UC Service Manual page 88

cXx-197
®@ Sensing Operation
FR notch gear
FR lock arm
Sensing gear
FWD BT arm
Sensing arm
REV BT arm
Fig. 17
1. During tape run: The sensing arm keeps oscillation 3. Change of run direction:
between A and B under a force of
The FR lock arm
turns counter-
the FWD BT arm (or REV BT arm).
clockwise along with movement
of
the sensing arm. The FR_ notch
2. Atendoftape:
The force of the BT arm is lost. The
gear is unlocked and begins to turn.
sensing arm stops at Position B,
then pushed out to Position C by a
crescent cam of the sensing gear.
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