Hitachi CP-X940E, Service Manual

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Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radiation
and materials, various measures are provided in this Hitachi liquid crystal projector. Be sure to read cautionary
items described in the manual to maintain safety before servicing.
1. Features 2
2. Specifications 2
3. Names of each part 3
4. Adjustment 8
5. Troubleshooting 13
6. Service points 21
7. Dust cleaning 25
8. Block diagram 26
9. Wiring diagram 27
10.Basic circuit diagram 29
11.Connector connection diagram 47
12.Disassembly diagram 48
13.Replacement parts list 5 0
Contents
Caution
1. When replac ing the lamp, avoid burns to your fingers. The lamp becomes very hot.
2. Never touch the lamp bulb with a finger or anything else. Never drop it or give it a shock. They may cause
bursting of the bulb.
3. This projector is provided with a high voltage circuit for the lamp. Do not touch the electric parts of power unit
(main), when turn ing on the projector.
4. Do not touch the exhaust fan, during operation.
5. The LCD module ass'y is likely to be damaged. If replacing the LCD module ass'y, do not hold the FPC of
the LCD module ass'y.
Service Warning
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Liquid Crystal Projector
February 2000
SM0
503
PJL1035 2
SERVICE MANU
AL
CPX940WB
CPX940E