Hitachi CP-X270W, Service Manual

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SERVICE MANUAL
CPX270W
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
February 2001 Digital Media Systems Division
Contents
Caution
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 Multimedia LDC Projector. Be sure to
read cautionary items described in the manual to maintain safety before servicing.
Service Warning
1. When replac ing the lamp, avoid burns to your fingers . The lamp becomes too 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, when turn
ing
on the projector.
4. Do not touch the exhaust fan, during operation.
5. The LCD module assembly is likely to be damaged. If replacing the LCD module assembly, do not hold
the FPC of the LCD module assembly.
1. Features -------------------------------------------------- 2
2. Specifications -------------------------------------------- 2
3. Names of each part ------------------------------------ 3
4. Adjustment ----------------------------------------------- 6
5. Troubleshooting ---------------------------------------- 12
6. Service points ------------------------------------------ 18
7. Block diagram ------------------------------------------ 25 8. Connector connection diagram --------------------- 26
9. Wiring diagram ----------------------------------------- 27
10.Basic circuit diagram ---------------------------------- 31
11.Disassembly diagram ---------------------------------
4 5
12.Replacement parts list -------------------------------- 4 7
13.Option parts list----------------------------------------- 4 8
14.Communication Data --------------------------------- 49
SM0511