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CAUTIONS
WHEN
SERVICING
When
the main circuit board
is opened
during servicing, operation
cannot
be checked
because
the motor
terminals, etc. are
soldered directly to the board.
—
Use a jig
(for the 4ZM-1)
to check
operation
with the main
circuit board
open.
Part Description:
4ZM-1
JIG KIT,
Part No. 09-001-323-010
1. Assembling
the Jig
Install
the jig, referring
to the following
diagrams.
1) Divide the 6pin flat cable to create
three 2-pin wires.
2) Solder the C-SW PUSH
and P-SNSR
to the A board.
3) Solder the 7-pin flat cable and two 2-pin wires to the A board.
4) Solder the 2-pin wire to the B board.
5) Attach
the PIN ASSY
to the C board and solder it to the other end of the 7-pin flat cable which
has been soldered
to the A board.
A
board
B board
Photo
Sensor
installation
Photo
Sensor
|
|
| Screw
_
| pe were
Screw
installation
hole
le
Motor
soldered
section
PLAY
SW
installation
PLAY
sw
meee
Wire
connected
section
Pi
Idered
0
1
ction)
ere
|
7
Screw
©O
installation
hole
|
|
|
Wire
connected
|
|
|
|
section
SN
Sa
Wire S
|
~~
oY
PIN ASSY soldered section]
pi ASSY installation
Details
of Jig and
Assembly
HA
oyu
He
PIN ASSY
Jig Complete
View
2. Attaching
the
Jig
A board
Fix the A board to the mechanism
using the main board
holding screws.
Solder the motor
terminals.
Solder wires @ and ® to the PHOTO
SENSOR.
Solder wires
© and ® to the PLAY
SW.
board
Fix the B board to the mechanism using the main board
holding
screws.
Solder
the plunger
terminals.
Solder wires © and © to plunger
land on the MAIN
board.
board
Solder
the PIN ASSY
on the C board
to motor
land on
the MAIN
board.
3. Using
the
Jig
When
the circuit board is opened, the operation switches
on
the
board
are
at
the
back.
To
increase
working
efficiency, use
the remote
control
to operate
the unit.
1) Connect
the remote
control to the unit.
2) Set the Hold Switch
to OFF.
3) Short
the C-SW
terminal.
4) Be careful that no external light enters the photosensor
on
the MAIN
board
to prevent
a malfunction.
5) Switch
the F/R
SW
to match
the running
of tape.
:
FWD
| side
side
WS
|
MAIN
board
C-SW
MAIN
C. B
500
Short
the
C-SW
terminal
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