-56-
to enter the service mode
To enter the “Service Mode”, press and hold the
MeNu
and
SeLect
button
for more than 3 seconds. The service
menu appears on the screen as follows.
to adjust service data
Select the adjustment group no. by pressing the
MeNu
button
(increase) or
SeLect
button
(decrease), and
select the adjustment item no. by pressing the pointer
e
or
d
button
, and change the data value by pressing the
7
or
8
button
. Refer to the “Service Adjustment Data Table” for further description of adjustment group no., item no.
and data value.
to exit the service mode
To exit the service mode, press the
oN/StANd-BY button
.
Service Adjustment Menu Operation
Memory IC on the main board stores the data for the
service adjustments, and should not be replaced except
for the case of defective device.
If replaced, the re-adjustments are required following to
the “Electrical Adjustments”.
The data of lamp replacement counter is stored in the
Memory IC.
Please note that the lamp replace counter will be reset
when the memory IC is replaced.
(Lamp replace counter cannot be set to the previous
value.)
●
caution to memory Ic replacement
When memory IC is replaced with new one, the CPU
writes down the default data of the service adjustments
to the replaced IC as the mentioned on the service ad-
justment table. As these data are not the same data as
factory shipped data, it should be required to perform
the re-adjustments following to the “Electrical Adjust-
ments”.
Please note that in this case the lamp replace counter
will be reset.
●
caution of Main Board replacement (in the case
memory Ic is not defective)
When the main board is replaced, memory IC should
be replaced with the one on previous main board. After
replacement, it should be required to perform the re-ad-
justments following to the “Electrical Adjustments”.
In this case, the lamp replace counter can be kept the
value as before.
Memory IC (IC1391) Replacement
Service Mode
Input
Input1
Image Standard
Group
No.
Data
0
0
32
Ver.
1.00
Data value
Item No.
Group No.
Electrical Adjustments
Содержание PLC-ET30L
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