Electrical Adjustments; Service Adjustment Menu Operation; Memory Ic Replacement (Ic802) - Sanyo PLV-75 Service Manual

Electrical Adjustments

Service Adjustment Menu Operation

To enter the service mode
To enter the "Service Mode", press and hold the MENU and IMAGE button on the projector at the same time 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 SELECT(increase) or MENU (decrease) button, and select
the adjustment item no. by pressing the pointer UP or DOWN button, and change the data value by pressing the
VOLUME – or VOLUME + button. Refer to the "Service Adjustment Data Table" for further description of adjust-
ment group no., item no. and data value.
To exit the service mode
To exit the service mode, press the POWER ON-OFF button on the projector or remote control unit.
Service Mode
Input Input 1
Group No. Data
0 0
Ver. R 1.00
Group No.
Item No.

Memory IC Replacement (IC802)

The 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, it should be performed the re-adjustments
following to the "Electrical Adjustments".
The data of lamp replacement monitor timer is stored
in the memory IC.
Please note that the lamp replace counter is reset
when the memory IC is replaced.
(Lamp replace counter can not be set to the previous
value.)
● Caution to memory IC replacement
When the memory IC is replaced with new one, the
CPU writes down the default data of the service
adjustments to the replaced IC, refer to the service
adjustment table. As these data are not the same
data as factory shipped data, it should be required to
32
Data value
perform the re-adjustments following to the "Electrical
Adjustments".
Please note that the lamp replace counter is reset.
● Caution of Main Board replacement (in case of
the memory IC is not defective)
When the main board is replaced, the 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
Adjustments".
In this case, the lamp replace counter can be kept the
value as before.
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