Canon D78-5311, Руководство по обслуживанию

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1.2 Service Adjustment Menu Operation
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How to use the service adjustment menu (It is used to perform service adjustment.)
To enter the service mode
To enter to the "Service Mode", press and hold the MENU and KEYSTONE buttons on
the projector at the same time for more than 3 seconds.
To adjust service data
Select an adjustment group (group no.) by pressing the MENU button or KEYSTONE
button. Select an adjustment item (item no.) by pressing pointer ( ) or ( ) button. To
change the data value, press the pointer ( ) or ( ) button.
To return to the normal mode
To exit the service mode, press the POWER button on the projector or remote control
unit.
1.3 Service Conditions
When you carry out the electrical, optical service adjustment or repairing with cabinet
top removal, it should be done under the service conditions listed below.
If you can not keep the one of following conditions, the projector turns off
automatically by operating the protection circuit.
Service Conditions:
• Operating Temperature : 5˚C - 30˚C
• Fans Control
: Maximum
• AC Power Supply : 100 to 120V or 200V to 240V
To set the Fan Control to maximum, follow the Fan Control Setting Procedure below;
Fan Control Setting Procedure
1. Enter to the service mode.
2. Set Group to <11>, No. to <0> and Data to <3>. Now the cooling fans operate in
maximum.
3. Exit from the service mode.
After finishing the work, restore Group to <11>, No. to <0> and Data to <0> according to
steps 1 to 3.
Part 3: Adjustment
3-2
Fig. 3-1
Service Mode
Input Video
Group No. Data
0 0 32
Ver. 1 .00
Group No. Data value Item No.