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l D V4300D
7. 1 DISPLAY CHECK
(How to Enter the Test Mode)
Switch the" power to ON while holding down the
[DISPLAY]
key on
the front panel. The system enters the
function
switch
~etting mode. Tum the test mode
switch
to
ON
using
the
keys
on the front panel, and press the
[DJSPLA
YJ
key.
The
system
changes to the test mode
and the i:haracters
shown in Fig. 3
will
appear on the clisplay.
Confirm
that the characters are correct and
the indicators
will light in the
correct
order.
NOTE:
The
system
directly enters
tl1e •sERVlCE
MODE" by
short-circuiting
CN82
(Fig.
2)
and
switching
the
power
to
ON.
Note that
the ~DISPLA
Y CHECK"
scree11
(Ffg. 3)
Coinno, be
displayed.
96
Fig. 2
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Fig. 3
7.2 DIAGNOSIS MODE
Press the [DISPLAY] k
ey
on
the
front panel in the display
check mode. The
system
enters
the diagnosis mode.
An
alternative way is
to
select
the
diagnosis mode in the test
mode
menu(see•
7.3
Test Mode
Menu').
The diagnosis
mode
displays
the
s tate of each part as shown
in Fig, 4. The
malfunctioning
part
ciin be determined by
checking the unit
while operating
it (see ~7.4 Service Mode•).
To cancel tl1e dia.t1nosi!
mode,
press
the {ESCJ key. The system
telurnstothe!Kll'malmode.
Bar
Code
Data
01
21
Hl
Hour
Meter
Focus Servo mechanism
!Balance}
Splnd!e
Servomo tor
Tracking Servomecheni:i;:m
Slider
Loop
T
Iit
Servomechanism
Loading Switch
CX
Noise
Reduction
Slider
Position
{Changes
to
accumulated time by the [CX] key,)
Fig. 4
7.3 TEST MODE MENU
PreSB
the
(DISPLA
YJ
key
on
the
front
panel id
the
diagnosis
or
service
mode.
T
he system
disp1a~
the test
mode
menu
as
shown
iD
Fig.
5.
Select
the desired
mode
using the
keys
on the
remote
controller
or
the
front panel Table
1
shows the functions
of
the
keys.
~ - - - - - -
,
Release
the
Test Mode
Flg.
5
Enter
the
Diagnosis Mode
Enter
the
Service
Mode
Initializes data in the
mi,mory
switch.
!The new data
will
be read
when the power Is turned
ON.)
eset
the
Hour Meter.
Ent
er
the
Aging
Modo
(Edit).
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