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: Remove 4 screws 

1

.

: Remove 2 screws 

2

 and 7clips 

3

.

: Remove 1 screw 

5

 and 2 screws 

6

.

: Remove 1 screw 

7

, 2 screws 

8

,

2 screws 

9

.

D

1

1

B

D

C

A

2

5

7

9

8

10

2

A

6

3

3

B

1. When removing the mechanism from the main PWB,

remove 1 screw 

1

 from behind of main PWB.

Remove the FFC cable (AA,AD,AH) 

2

 which con-

nects the PWB and the mechanism.
Take out vertically the mechanism so that it does not
damage the adjacent parts.

2. Removing the mechanism and cassette housing.

Remove 2 screws 

3

 fixing the cassette housing to the

mechanism, and remove the cassette housing.

CASSETTE
HOUSING

MAIN PWB

MECHANISM CHASSIS

3

2

1

#

(Mark #:VC-MH834HM only)

cassette housing. (Conditions: When mechanism and
PWB have been installed)

2. Mechanical initial setting
Feed the pulley feed gear of loading motor with screw
driver. After ascertaining the return to the initial set posi-
tion (*1) install the cassette housing in the specified
position. (This method is applied only for the mechanism.)

PARTS WHICH NEED PARTICULAR CARE
When installing the mechanism chassis on the PWB unit,
take care so as to prevent deformation due to contact of
mechanism chassis with REC TIP SW.

Pulley feed gear

Screwdriver

Casecon
drive gear

Drive angle of
cassette housing

Tilt mark (*1)

INSTALLING THE CASSETTE HOUSING
When the cassette housing is installed on the mechanism,
the initial setting is essential condition.
There are two initial setting methods, namely electrical
and mechanical.
1. Electrical initial setting
So as to perform initial setting of mechanism execute the
Step 1 of Installation of cassette housing. After ascertain-
ing the return to the initial setting position (*1) install the

INSTALLING THE MECHANISM ON PWB
Lower vertically the mechanism, paying attention to the
mechanism edge, and install the mechanism with due
care so that the parts are not damaged. So as to fix the
mechanism to the main PWB install two housings. (Fit the
antenna cover to one of them. For other, fix the vicinity of
loading motor and solder joint side of main PWB.) Con-
nect again the FFC cable (AA-MH, AD-ME, AH-MZ)
between the mechanism and the main PWB.

START SENSOR

AL CONNECTOR

AE CONNECTOR

END SENSOR

REC TIP SW

(Mark # :VC-MH834HM only)

#

#

AC CONNECTOR

1

Full erase head

2

Supply pole base ass’y

3

Tension arm ass’y

4

Idler wheel ass’y

5

Pinch drive lever ass’y

6

Supply reel disk

7

Supply main brake ass’y

8

Take-up main brake ass’y

9

Pinch drive cam

10

A/C Head ass’y

11

Reverse guide lever ass’y

12

Casecon drive gear

13

Take-up reel disk

14

Pinch roller lever ass’y

15

Drum ass’y

16

Loading motor

17

Drum motor

18

Take-up pole base ass’y

17

15

10

11

5

9

14

12

8

16

13

4

6

2

7

3

1

18