Sanyo PLC-XF20 Service Manual
Also see for XF20 - PLC XGA LCD Projector: Owner's manualSpecificationsInstruction manual
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-47- Caution to Replace Unit Lamp Ballast and Unit PFC.In case these Unit are fault, replace the each Unit completely, do not replace the individual component. Caution to replace partsAdjustments after Parts Replacement: Readjust necessary: Check necessaryParts list Eep-Roms(IC891, IC892 and IC1811) memorizes the dataadjusted at Service Mode, and should not be replaced exceptfor the case of defective product. The Uneven Color Correction data is memorized in IC891and IC892. Lamp Illumination Time, Data No. 110 of Service Mode, ismemorized in IC1811 to indicate the span of Lamp Life.When IC1811 is replaced, Lamp Illumination Time is reset atthe same time.Lamp Illumination Time can not be set to the previousvalue. 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 Mainshould be replaced with the those on previous Ass'y Main.❏ LAMP ILLUMINATION TIME keep the value as before.❏ "Uneven Color Correction" and "Other ElectricalAdjustments" are unnecessary. CAUTION TO REPLACE IC891 and IC892.(In the case IC891 and IC892 are damaged.)When ICs are replaced with new one, CPU write in initial datain IC891 and IC892. Initial data is not the same data as facto-ry initial data. After replacing the IC891 and IC892, readjustthe "Uneven Color Correction." CAUTION TO REPLACE IC1811.(In the case IC1811 is damaged.)When IC is replaced with new one, CPU write in initial data inIC806. Initial data is not the same data as factory initial data.After replacing the IC1811, readjust the "ElectricalAdjustments".❏ LAMP ILLUMINATION TIME is reset to the initial value. CAUTION :Do not replace Eep-Roms(IC891/ 892/1811)unreasonably!ReplacedPartsIntegrator lens inAdjustmentLCD panelsPolarized glass outIntegrator lens inIntegrator lens out/Prism PBSCondenser lensRelay lensPolarized glass inOptical parts (inside the optical unit)Ass'y Power/SubpowerAss'y Main (see note)NOTE :CAUTION TO REPLACE ASS'Y MAIN AND EEP-ROMS (IC891/ 892/1811).Integrator lens outAdjustmentCondenser lensAdjustmentRelay lens AdjustmentCommon-center-AdjustmentWhite-balance-AdjustmentCorrection-uneven -colorOther ElectricalAdjustmentsFocus AdjustmentPolarized glass inAdjustment+6/+17V DC VoltageAdjustmentConvergenceAdjustmentPrism PBS Adjustment |
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