SM0529
CPX385W
(C4X4)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
November 2002 Digital Media Division
SERVICE MANUAL
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 LCD Projector. Be
sure to read cautionary items described in the manual to maintain safety before servicing.
Caution
1. When replacing 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 turning 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.
6. Use the cables which are included with the projector or specified.
Service Warning
1. Features -----------------------------------------------2
2. Specifications-----------------------------------------2
3. Names of each part ---------------------------------3
4. Adjustment --------------------------------------------5
5. Troubleshooting------------------------------------ 11
6. Service points -------------------------------------- 16
7. Wiring diagram ------------------------------------- 27
8. Disassembly diagram----------------------------- 33
9. Replacement parts list---------------------------- 35
10.RS-232C communication------------------------ 36
11.Block diagram -------------------------------------- 42
12.Connector connection diagram ---------------- 43
13.Basic circuit diagram------------------------------ 44
Contents
PJ750 3
CP-X385W
2
CP-X385W
3
1. Features
High brightness, High resolution
Compact size, light weight for portability
RS-232C Communication
Complies with VESA DDC1/2B specifications
Auto-adjustment function
2. Specifications
2b
PJ750-3 (C4X4)
3
PJ750-3 (C4X4)
1. Features
High brightness, High resolution
Compact size, light weight for portability
RS-232C Communication
Complies with VESA DDC1/2B specifications
Auto-adjustment function
2. Specifications
CP-X385W
2
CP-X385W
3
3. Names of each part
Parts names
CP-X385W
4
CP-X385W
5
Remote control transmitter
Table of difference between this transmitter and former model
This model
Former model with same figure
Remark
ASPECT
MAGNIFY+
Shared same code
MAGNIFY ON
MAGNIFY-
Shared same code
ESC
PinP or No button (hidden)
Shared same code
VOLUME
VOLUME <
Shared same code
SEARCH
VOLUME >
Shared same code
ENTER
MENU SELECT