Eiki LC-NB3E service manual Electrical Adjustments, IC1801 is not defective

■Electrical Adjustments

●Service Adjustment Menu Operation

To enter the service mode

To enter the “Service Mode”, press and hold theMENU 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 MENU 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 adjustment 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 Video

Group No. Data

0 0 32

Ver. 1 .00

ON -- OFF

Group No. Item No. Data value

WARNING

TEMP.

MP	E
LA
AC
PL
RE

VOLUME –

READY

LAMP

VOLUME +

INPUT IMAGE MENU SELECT ZOOM FOCUS

● Memory IC Replacement

IC1801 on the main board stores the data for the serv-	adjustments following to the “Electrical Adjustments”.
ice adjustments, and should not be replaced except for	Please note that the lamp replace counter is reset.
the case of defective device.
If replaced, it should be performed the re-adjustments
following to the “Electrical Adjustments”.	● Caution of Main Board replacement (in the case
The data of lamp replacement monitor timer is stored	IC1801 is not defective)
in the IC1801.	When the main board is replaced, IC1801 should be
Please note that the lamp replace counter is reset	replaced with the one on previous main board. After
when the memory IC (IC1801) is replaced.	replacement, it should be required to perform the re-
(Lamp replace counter can not be set to the previous	adjustments following to the “Electrical Adjustments”.
value.)	In this case, the lamp replace counter can be kept the
	value as before.
● Caution to memory IC replacement
When IC1801 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 perform the re-

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