Contents

Safety instructions ________________________________________________3

Specifications __________________________________________________ 4

■ Note on Servicing ______________________________________________ 5

■ Adjustments after parts replacement ________________________________ 5

Circuit protections ______________________________________________ 6-7

Fuse ____________________________________________________ 6

Thermal switch ____________________________________________ 6

Interlock switch ____________________________________________ 6

● Warning temperature and power failure protection ________________ 7

Mechanical disassemblies ______________________________________ 8-13

Optical parts disassemblies ____________________________________ 14-17

LCD panel/prism ass’y replacement ________________________________ 19

Lamp replacement ______________________________________________ 20

Optical adjustments __________________________________________ 21-24

Contrast adjustment ________________________________________ 21

Condenser lens adjustment __________________________________ 22

Condenser lens-Out adjustment ______________________________ 23

Relay lens-Out adjustment __________________________________ 24

Electric adjustments __________________________________________ 25-30

Service adjustment menu operation ____________________________ 23

Circuit adjustments ______________________________________ 24-29

Service adjustment data table ______________________________ 30-33

Test points and locations ____________________________________ 34

Troubleshooting ______________________________________________ 35-39

No power ______________________________________________ 35-36

No picture ____________________________________________ 37-38

No sound ________________________________________________ 39

Lens motor problems ______________________________________ 39

■ Control port functions ________________________________________ 40-43

Waveforms __________________________________________________ 44-45

Cleaning ______________________________________________________ 46

IC block diagrams ____________________________________________ 47-53

Service parts lists ____________________________________________ 55-84

Electrical parts list ______________________________________ 55-77

Mechanical parts list ____________________________________ 78-79

Optical parts list ________________________________________ 80-84

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Eiki LC-NB3E service manual Contents