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YK
No.0538E
CP-S420WA
(C7S2)
CP-X430WA
(C7X2)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
November 2003
Digital Media Division
SERVICE MANUAL
Be sure to read this manual before servicing. To assure safety from fire, electric shock, injury, harmful radi-
ation 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 replace the lamp, to 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 (main), when turn on the projector.
4. Do not touch the exhaust fan, during operation.
5. The LCD module assembly is likely to be damaged. If replacing to the LCD LENS/PRISM 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---------------------------------------- 12
6. Service points ------------------------------------------ 17
7. Wiring diagram ----------------------------------------- 25
8. Disassembly diagram--------------------------------- 30
9. Replacement parts list-------------------------------- 32
10.RS-232C communication ---------------------------- 33
11.Block diagram------------------------------------------- 40
12.Connector connection diagram -------------------- 41
13.Basic circuit diagram---------------------------------- 42
Contents
Warning
The technical information and parts shown in this
manual are not to be used for: the development,
design, production, storage or use of nuclear, chemical,
biological or missile weapons or other weapons of
mass destruction; or military purposes; or purposes that
endanger global safety and peace. Moreover, do not
sell, give, or export these items, or grant permission for
use to parties with such objectives. Forward all inquiries
to Hitachi Ltd.
Summary of Contents for CP-S420WA
Page 4: ...4 CP S420WA C7S2 CP X430WA C7X2 Remote control transmitter ...
Page 13: ...13 CP S420WA C7S2 CP X430WA C7X2 ...
Page 14: ...14 CP S420WA C7S2 CP X430WA C7X2 ...
Page 15: ...15 CP S420WA C7S2 CP X430WA C7X2 ...
Page 16: ...16 CP S420WA C7S2 CP X430WA C7X2 ...
Page 25: ...25 CP S420WA C7S2 CP X430WA C7X2 7 Wiring diagram C7S2 C7X2 Chassis Wiring diagram 1 ...
Page 26: ...26 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 2 ...
Page 27: ...27 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 3 ...
Page 28: ...28 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 4 ...
Page 29: ...29 CP S420WA C7S2 CP X430WA C7X2 C7S2 C7X2 Chassis Wiring diagram 5 ...
Page 30: ...30 CP S420WA C7S2 CP X430WA C7X2 8 Disassembly diagram ...
Page 31: ...31 CP S420WA C7S2 CP X430WA C7X2 ...
Page 35: ...35 CP S420WA C7S2 CP X430WA C7X2 ...
Page 36: ...36 CP S420WA C7S2 CP X430WA C7X2 ...
Page 37: ...37 CP S420WA C7S2 CP X430WA C7X2 ...
Page 38: ...38 CP S420WA C7S2 CP X430WA C7X2 ...
Page 39: ...39 CP S420WA C7S2 CP X430WA C7X2 ...
Page 42: ...42 CP S420WA C7S2 CP X430WA C7X2 13 Basic circuit diagram Parts with hatching are not mounted ...
Page 45: ...PWB assembly DRIVE 1 C7S2 C7X2 ...
Page 46: ...PWB assembly DRIVE 2 C7S2 C7X2 ...
Page 47: ...PWB assembly DRIVE 3 C7S2 C7X2 ...
Page 48: ...PWB assembly DRIVE 4 C7S2 C7X2 ...
Page 49: ...PWB assembly DRIVE 5 C7S2 C7X2 ...
Page 50: ...PWB assembly DRIVE 6 C7S2 C7X2 ...
Page 51: ...PWB assembly DRIVE 7 C7S2 C7X2 ...
Page 52: ...PWB assembly DRIVE 8 C7S2 C7X2 ...
Page 53: ...PWB assembly DRIVE 9 C7S2 C7X2 ...
Page 54: ...PWB assembly DRIVE 10 C7S2 C7X2 ...
Page 55: ...PWB assembly DRIVE 11 C7X2 ...
Page 56: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 female female female PWB assembly SIGNAL 1 C7S2 C7X2 ...
Page 57: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 PWB assembly SIGNAL 2 C7S2 C7X2 ...
Page 60: ...CP S420WA C7S2 YK No 0538E Digtal Media Division CP X430WA C7X2 QR59341 Printed in Japan JE ...