3-1
Part 3: Adjustment
1. PRECAUTIONS FOR ADJUSTMENT
1.1 Service Mode
Circuits are adjusted on the service mode screen.
●
To enter the service mode
To enter the service mode, press and hold
the "MENU" and "IMAGE" or "KEY STONE"
buttons at the same time for 3 seconds.
The service mode screen shown in the
figure at the right will appear.
●
Adjustment
Perform adjustments using the following
buttons:
1. "POINT UP" ...
Change adjustment item.
2. "POINT DOWN" ...
Change adjustment item.
3. "POINT RIGHT"/"" ...
Increase adjustment value.
4. "POINT LEFT"/" ...
"Decrease adjustment value.
●
To leave the adjustment screen
Press the "POWER on/off" button to turn the projector off.
●
Set image quality to "STANDARD".
1.2 Adjustments Required after Parts Assembly and Replacement
Fan voltage Adjustment
No adjustment required
* When replacing the main or sub board, perform the adjustments from fan voltage adjustment to
contrast linearity adjustment in the order listed above.
❍
❍
❍
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●
●
●
●
●
❍
●
●
●
●
●
●
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❍
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Disassembly / Replaced Parts
Panel
Prism
Ass'y
Power
supply
unit
Sub-board
Main board
Optical
Adjustments
Electr
ical Adjustments
●
: Adjustment necessary
❍
: Check necessary
PSIG Adjustment
Signal center DC voltage Adjustment
Contrast adjustment
Signal level adjustment
Flicker adjustment
White balance adjustment
Contrast linearity adjustment
Normal mode
Service mode
Service Mode
137
10
Computer
Service Mode
137
10
Computer
Service mode screen
"POWER
ON/OFF"
Select an item with
"POINT UP/DOWN" button.
Adjust data value with
"POINT LEFT/RIGHT" or
"/-" button.
Press "MENU"
and "IMAGE" or
"KEY STONE"
buttons.
Fig. 3-1
Summary of Contents for D78-5351
Page 8: ...Part 1 General Information ...
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Page 21: ...Part 2 Repair Information ...
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Page 34: ...Part 3 Adjustment ...
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Page 57: ...Part 4 Parts Catalog ...
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Page 73: ...Part 5 Electrical Diagrams ...