-25-
■
Electrical Adjustments
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 MENU (+) or IMAGE (-) 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 VOL-
UME + 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 Adjustment Menu Operation
IC1801 on the main board stores the data for the serv-
ice 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 IC1801.
Please note that the lamp replace counter is reset
when the memory IC (IC1801) is replaced.
(Lamp replace counter can not be set to the previous
value.)
●
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-
adjustments following to the “Electrical Adjustments”.
Please note that the lamp replace counter is reset.
●
Caution of Main Board replacement (in the case
IC1801 is not defective)
When the main board is replaced, IC1801 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.
●
Memory IC Replacement
ON
ON
--
OFF
OFF
LA
MP
RE
PLA
CE
WARNIN
G
TEMP.
READY
LAM
P
INPUT
IMAGE
MENU
VOLUME –
SELECT
ZOOM
FOCUS
Service Mode
Input
Video
Group
No.
Data
0
0
32
Ver. 1
.00
Group No.
Data value
Item No.
Содержание CP-300t
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Страница 104: ...Diagrams Drawings MS6 CP 300t00 MS6 CP 310t00...
