Take-up pole
FUNCTION OF MAJOR
MECHANICAL PARTS
(TOPVIEW)
0
24
AHC(Automatic
Head Cleaner)
Ass’y
Drum
ass’y
Full erase head
ass’y
I
Supply pole base
ass’y
Tension arm
ass’y
base
ass’y
2
I
Q,
\
@/Cheadass’y
@Camztch
AJ
23
Dew sensor
Brake shifter
w
/
Loading motor
Master cam
Pinch roller lever
ass’y
Relay shifter lever
Capstan
D.
D.
motor
Reverse guide
h
Take-up reel disk
Video
lever
search brake
Back tension lever
Main supply brake
No.
Function
No.
Function
1.
3.
Full erase head
ass’y
Erase the whole records on the tape in the recording
mode.
Tension arm
ass’y
Detects the tension of tape while running, and brakes
the supply reel disk via the tension band.
13.
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.
T5.
Relay shifter lever
Transmits the operation of the master cam to the
brake shifter, and operates the reverse guide.
4.
Brake shifter
,Set the position of brake or the like in accordance with
16.
Pinch roller lever
ass’y
Press-fits the tape to the capstan during tape running.
the modes such as stop and playback.
The right protrusion switches the clutch of the cassette
housing control assembly in “tape eject”, and makes
5.
Back tension lever
the mechanism eject the tape.
Brakes the supply reel disk to a certain degree to .
’
prevent tape slackening during “half-loading”,
17.
Master cam
“loading” and “shifting from playback to video search
Turns clockwise during loading, and counterclockwise
rewind”.
during unloading, and moves the shifter or the like in
accordance with each mode.
7.
Main supply brake lever
Brakes the supply reel disk to prevent tape slackening
18.
Loading motor
when the unit is stopped in fast forward or rewind
A motive power which drives the mechanism. It
transmits the power to the master cam and cassette
mode.
housing control assembly via the belt.
9.
Main take-up brake lever
19.
Cam switch
Brakes the take-up reel disk to prevent tape slackening Rotates synchronously with the master cam, and
when the unit is stopped in fast forward or rewind detects the position of each mode by means of the
mode.
internal switch.
11.
Video search brake lever
23.
Dew sensor
It is in contact with the take-up reel disk normally, and
An element which detects condensation inside the
brakes it to a certain degree. It applies larger brake in unit. This element is activated, when it senses
the video search rewind mode.
condensation, to interrupt the mechanism.
14
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