Adjustments After Parts Replacement - Sanyo PLV-Z2000 Service Manual

■ Adjustments After Parts Replacement

Contrast Adjustment
R-Contrast adjustment(Polarized glass)
G-Contrast adjustment(Polarized glass)
B-Contrast adjustment(Polarized glass)
R-Contrast adjustment(Optical filter)
G-Contrast adjustment(Optical filter)
B-Contrast adjustment(Optical filter)
Integrator Lens Adjustment
Relay Lens Adjustment
Fan Minimum Adjustment
Fan Maximum Adjustment
Iris Adjustment
PC Input Adjustment
CompositeNTSC) Input Adjustmeent
Component(NTSC) Input Adjustment
Common Center Adjustment
Color Correction
Color Shading Contrast
Read/Write Gamma Data
■ MEMoRY IC REPLACEMENt
IC1391 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 fol-
lowing to the "Electrical Adjustments".
The data of lamp replacement monitor timer is stored in
the IC1391.
Please note that the lamp replace counter is reset when
the memory IC (IC1391) is replaced.
(Lamp replace counter can not be set to the previous
value.)
● Caution to memory IC replacement
When IC1391 is replaced with new one, the CPU writes
down the default data of the service adjustments to the
replaced IC, refer to the service adjustment table. As these
Disassembly / Replaced Parts
LCD/ Relay
Integrator
Prism Ass'y Lens Lens
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data are not the same data as factory shipped data, it
should be required to perform the re-adjustments follow-
ing 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
IC1391 is not defective)
When the main board is replaced, IC1391 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.
- 46 -
: Adjustment necessary
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Polarized glass
Optical filter
(IN/OUT)
G B
R G B R
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: Check necessary
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Lamp
Power Main
Board Iris
Board
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