Sanyo PLC-SU20B, Руководство по обслуживанию

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Electrical Adjustments
To enter the service mode
To enter the “Service Mode”, press and hold the MENU and NORMAL button on the projector for more than 3 sec-
onds. The service mode display appears on the screen as follows.
To adjust service data
Select the adjustment item no. by pressing the pointer
▲
or
▼
button, and change the data value by pressing the
or VOLUME - button. Refer to the “Service Adjustment Data Table” for further descroption of adjust-
ment item no. and data value.
To exit the service mode
To exit the service mode, press any of the POWER ON-OFF, MENU, MODE, FOCUS or ZOOM buttons on the pro-
jector or remote control unit.
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Service Adjustment Menu Operation
Service Mode
10 15
Video
Version : 1.0
Item Data
10 15
Normal mode Service mode
Adjustment
Item No. Adjustment
Data Value
Item Data
IC302 on the main board-A stores the data for the ser-
vice 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 lamp replacement monitor timer is stored in the
IC302, and it can be confirmed at the item no. 36 of
service mode.
Please note that the lamp replacement monitor timer is
reset when the memory IC (IC302) is replaced.
(Lamp replacement monitor time can not be set to the
previous value.)
●
Caution to memory IC replacement
When IC302 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-adjust-
ments following to the “Electrical Adjustments”.
Please note that the lamp replacement monitor timer is
reset.
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Caution of Main Board replacement (in the case
IC302 is not defective)
When the main board-A is replaced, IC302 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 replacement monitor timer and
the white uniformity compensation data can be kept the
value as before.
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Memory IC Replacement