Canon D78-5252, Руководство по обслуживанию

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3-1
Part 3: Adjustment
1. PRECAUTIONS FOR ADJUSTMENT
1.1 Service Mode
Circuits are adjusted on the service mode screen.
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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.
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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.
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To leave the adjustment screen
Press the "POWER on/off" button to turn the projector off.
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Set image quality to "STANDARD".
1.2 Adjustments Required after Parts Assembly and Replacement
Fa n vo l t a g e A d j u s t m e n t
N o a d j u s t m e n t r e q u i r e d
* W h e n r e p l a c i n g t h e m a i n o r s u b b o a r d , p e r fo r m t h e a d j u s t m e n t s f r o m fa n vo l t a g e
a d j u s t m e n t t o c o n t ra s t l i n e a r i t y a d j u s t m e n t i n t h e o r d e r l i s t e d a b ove.
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D i s a s s e m bl y / R e p l a c e d Pa r t s
Pa n e l
P r i s m
A s s ' y
Powe r
s u p p l y
u n i t
S u b - b o a r d M a i n b o a r d
Optical
Adjustments
Electr
ical Adjustments
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: A d j u s t m e n t n e c e s s a r y
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: C h e ck n e c e s s a r y
N R S A d j u s t m e n t
S i g n a l c e n t e r D C vo l t a g e A d j u s t m e n t
C o n t ra s t a d j u s t m e n t
S i g n a l l eve l a d j u s t m e n t
F l i cke r a d j u s t m e n t
W h i t e b a l a n c e a d j u s t m e n t
C o n t ra s t l i n e a r i t y a d j u s t m e n t
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