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Sharp VC-A30G Serviceanleitung Seite 6

Video-kassetten-recorder

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VC-A30G(BR) VC-A30S(BR}
VC-A30GM(BR) VC-A30SM(BR)
VC-A300M(BR) VC-A30SV(BR)}
Drum ass'y
(21) Take-up pole base ass'y
20) AlCheadass'y
_—(I9) Cam switch
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18) Loading motor
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17) Master cam
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Full erase head assy C1)
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(14) Capstan D.D.motor
Supply pole base ass'y( 2
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5
(13) Reverse guide
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F o n e r
Tension arm ass'y
(3
Brake shifter (4)
Back tension lever\ 5 }
Supply reel disk \6)
Main supply brake lever
7
(10) Half-loading lever
g )Main take-up brake lever
Idler gear ass'y
Video search brake lever
It is in contact with the take-up reel disk normally, and
brakes it to a certain degree. It applies larger brake in
the video search rewind mode.
Full erase head ass'y
Erase the whole records on the tape in the recording
mode.
Reverse guide
Pulls out the tape in the video search rewind mode,
and controls the tape drive train height with the upper
and lower guides.
Tension arm ass'y
Detects the tension of tape while running, and brakes
the supply reel disk via the tension band.
Brake shifter
Set the position of brake or the like in accordance with
the modes such as stop and playback.
Relay shifter lever
Transmits the operation of the master cam to the
brake shifter, and operates the reverse guide.
Back tension lever
Brakes the supply reel disk to a certain degree to
prevent tape slackening
during
"half-loading",
"loading" and "shifting from playback to picture scan
rewind".
Pinch roller lever ass'y
Press-fits the tape to the capstan during tape running.
The right protrusion switches the clutch of the cassette
housing control assembly in "tape eject", and makes
the mechanism eject the tape.
Master cam
Turns clockwise during loading, and couterclockwise
during unloading, and moves the shifter or the like in
accordance with each mode.
Main supply brake lever
Brakes the supply reel disk to prevent tape slackening
when the unit is stopped in fast forward or rewind
mode.
Main take-up brake lever
Brakes the take-up reel disk to prevent tape slackening
when the unit is stopped in fast forward or rewind
mode.
Loading motor
A motive power which drives the mechanism.
it
transmits the power to the master cam and cassette
housing control assembly via the belt.
Cam switch
Rotates synchronously with the master
cam, and
detects the position of each mode by means of the
internal switch.
Half-loading lever
Bring the tape in contact with the A/C head, putting it
in half-loading state in the fast forward or rewind
mode.

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