Adjustments After Parts Replacement - Sanyo PLV-55WHD1 Service Manual

■ Adjustments after Parts Replacement

After replacing electrical parts and optical parts, electrical adjustments and optical adjustments are required.
Contrast Adjustment
R-Contrast adjustment
G-Contrast Adjustment
B-Contrast adjustment
Condenser lens adjustment
Relay lens adjustment
Picture image adjustment
Picture focus adjustment
Output voltage adjustment
Fan minimum voltage adjustment
TV sound level adjustment
TV stereo separation adjustment
TV video level adjustment
Common center adjustment
Panel luminance adjustment
White balance adjustment
Color shading correction
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Memory IC Replacement
IC836 on the main board stores the data for the service
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 data of lamp replacement monitor timer is stored in
the IC836.
Please note that the lamp replace counter is reset
when the memory IC (IC836) is replaced.
(Lamp replace counter can not be set to the previous
value.)
● Caution to memory IC replacement
When IC836 is replaced with new one, the CPU writes
down the default data of the service adjustments to the
Disassembly / Replaced Parts
Opti-
LCD/ Projec
Prism cal -tion
unit unit lens
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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 in this case the lamp replace counter
will be reset.
● Caution of Main Board replacement (in the case
IC836 is not defective)
When the main board is replaced, IC836 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 replace counter can be kept the
value as before.
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: Adjustment necessary
Screen
Polarized glass
Power
and
Board
R G B
mirror
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: Check necessary
Digital
Main
Board Board
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