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Eep-Roms(IC806/ 808) memorizes the data adjusted at
Service Mode, and should not be replaced except for the case
of defective product.
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The Uneven Color Correction data is memorized in IC808.
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Lamp Illumination Time, Data No. 60 of Service Mode, is
memorized in IC806 to indicate the span of Lamp Life. When
IC806 is replaced, Lamp Illumination Time is reset at the
same time.
Lamp Illumination Time can not be set to the previous
value.
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CAUTION TO REPLACE ASS'Y MAIN.
(In the case Eep-Roms are not damaged.)
When Ass'y Main is replaced, Eep-Roms on new Ass'y Main
should be replaced with the those on previous Ass'y Main.
❏
LAMP ILLUMINATION TIME keep the value as before.
❏
"Uneven Color Correction" and "Other Electrical
Adjustments" are unnecessary.
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CAUTION TO REPLACE IC808.
(In the case IC808 is damaged.)
When IC is replaced with new one, CPU write in initial data in
IC808. Initial data is not the same data as factory initial data.
After replacing the IC808, readjust the "Uneven Color
Correction."
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CAUTION TO REPLACE IC806.
(In the case IC806 is damaged.)
When IC is replaced with new one, CPU write in initial data in
IC806. Initial data is not the same data as factory initial data.
After replacing the IC806, readjust the "Electrical
Adjustments".
❏
LAMP ILLUMINATION TIME is reset to the initial
value.
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CAUTION :
Do not replace Eep-Roms(IC806/808) unreasonably!
Electrical adjustments
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Adjustments after Parts Replacement
Replaced
Parts
Con
ver
g
ence
Adjustment
LCD panels
Polarized glass out
Integrator lens /prism PBS
Relay lens
Polarized glass in
Optical parts (Inside the optical unit)
Ass'y Power
Ass'y Main (see note)
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: Readjust necessary
●
: Check necessary
NOTE :
CAUTION TO REPLACE ASS'Y MAIN AND EEP-ROMS (IC806/ 808).
Integrator lens
Adjustment
Rela
y lens Adjustment
P
olariz
ed glass in
Adjustment
Common-center
-Adjustment
White-balance-Adjustment
Correction-une
ven -color
Other Electrical
Adjustments
Focus Adjustment
P
.F
.C.
Output V
olta
g
e
adjustment
+5.9V DC
V
olta
g
e
Adjustment
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