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PVM-20M7MDE
SECTION4
SET-UP ADJUSTMENTS
4-1. NOTE
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How to Enter and use
the
Service Mode
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1. How to enter the service mode
Press~-
While the menu is appearing, press JDEGAUSSI
and ~ at the same time.
2. How to operate the service mode
~
Moves UP the item.
(ENTERI
Moves DOWN the item.
(I]
•·····
IncreaseUPthedata.
[ID
· · · • · •
Decrease DOWN the data.
example: Service mode display
"I>"
is the value stored
in the nonvolatile memory.
j
Data
~.
rltemNo.
PAL 4:3 N/$ 1>203 12*
l
1-
~:!'-~P~!l!! whef'! ~B!TE
(save) is executed.
3. How to WRITE (save) the data.
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Detection
of
Cause of Trouble (Reference)
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Cause of trouble can be located by the flashing of LEDs of this set.
• Main cause of flashing of the POWER SAVING LED
FlllShingonce••······
H.OUTisstopped.
FlllShing twice • · · · · · · V. OUT is stopped.
FlllShingthreetimes··· HV.protectorerror.
FlllShingfourtimes •· • IKprotectorerrororexcessivecurrent
of
+B
power line for HV OUT.
Flashing five times • · • Fan is stopped or fan is stopped as the
HV OUT circuit is stopped.
Flashing six times • • • •
PC
bus communication error.
(nonvolatile memory error)
Flashing seven times··
Other errors.
• The POWER LED does not illuminates or dark.
Main cause 12V power (from the
G
board) is defective, blown
main fuse, or excessive load to 12V power line.
• The REMOTE LED does not illuminate in the remote mode.
Cause:5Vpower(digital)circuitisdefective.
• Picture does
not appear.
Microprocessor is not inserted. 02 voltage is too low, etc.
Press IDEGAUSSj. and "WRITE" appears. Remove the hand
from the key once.
Press
IDEGAUssl again, and"
*
"appears,
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Default Setting When Shipped From the Plant
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andthedataisstored.
4. How to set the FACTORY SET (defaun memory when
shipped from the plant)
Keep pressing~
for
2
seconds, and "FACTORY SET'
appears. Remove the hand from the key once. Press DEGAUSS
again, and FACTORY SET is executed.
If FACTORY SET
is
executed, No. 202 !FACTORY FLAG! -
''O'' (DONE)
is obtained. FACTORY SET can
be executed only
once. Since this setting is executed in the plant, this command is
notnecessarytooperateinservice
(field).
5. How to exit from the service mode
Whilepressing~.press~.
1.
Select the normal mode.
2. Execute item "4. How to set the FACTORY SET (default
memory when shipped
from
the plant)".
No. 202
!FACTORY FLAG[- "O''
3.
Setthefrontcontrolstothefactorysettingpositions:
APERTURE
Minimum
BRIGHT
50% (center click position)
CHROMA
50% (center click position)
CONlRAST
80% (center click position)
VOLUME
30%
POWER switch OFF
4. Execute RESET.
No.210
~
-22-
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