Electric Adjustments; Service Adjustment Menu Operation - Sanyo PLC-SW30 Service Manual

■ Electrical Adjustments
● Service Adjustment Menu Operation
To enter the service mode
To enter the "Service Mode", press and hold the MENU and INPUT button on the projector at the same time for
more than 3 seconds, or press and hold the MENU button on the remote control unit for more than 20 seconds.
The service menu appears on the screen as follows.
To adjust service data
Select the adjustment item no. by pressing the pointer UP or DOWN button, and change the data value by press-
ing the VOLUME – or VOLUME + button. Refer to the "Service Adjustment Data Table" for further description of
adjustment 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 the remote control unit.
WARNING
POWER
ON-OFF
● Memory IC Replacement
IC1841 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 IC1841.
Please note that the lamp replace counter is reset
when the memory IC (IC1841) is replaced.
(Lamp replace counter can not be set to the previous
value.)
● Caution to memory IC replacement
When IC1841 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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LAMP
REPLACE
INPUT
MENU
SELECT
Service Mode
Computer
70
100
TempA TempB
32.10 43.21
Fan1Speed Fan2Speed
97 105
adjustments following to the "Electrical Adjustments".
Please note that in this case the lamp replace counter
will be reset.
● Caution of Main Board replacement (in the case
IC1841 is not defective)
When the main board is replaced, IC1841 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.
-22-
Input Mode
Item No.
Data value
Version No.
35
TempC
Note :
This part of dis-
45.67
play is available
at the service
Fan3Speed
mode No.60 - 83.
79