Sanyo PLC-WU3800, Service Manual, Page: 27 / 124

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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 re-
set 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 adjust-
ments to the replaced IC as the mentioned on the
service adjustment table. As these data are not the
same data as factory shipped data, it should be re-
quired to perform the re-adjustments following to the
“Electrical Adjustments”.
Please note that in this case the lamp replace coun-
ter 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-adjustments following to the “Electrical Ad-
justments”.
In this case, the lamp replace counter can be kept
the value as before.
Memory IC (IC1391) Replacement
Electrical Adjustments
Service Mode
Input
Computer 1
Group No. Data
0 0 +179
Ver. 1.00
Data value
Item No.
Group No.
Firmware Version
to enter the service mode
To enter the “Service Mode”, press and hold the
MeNU button
and
SeLeCt button
on the projector for more
than 3 seconds or press and hold the
MeNU button
on the remote control for more than 20 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
.