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SM
0521
CPS370W
(C4S3)
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
February 2002
Digital Media Systems 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 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 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 ---------------------------------------- 12
6. Service points ------------------------------------------ 17
7. Block diagram ------------------------------------------ 22
8. Connector connection diagram -------------------- 23
9. Wiring diagram ----------------------------------------- 24
10.Basic circuit diagram---------------------------------- 30
11.Disassembly diagram--------------------------------- 65
12.Replacement parts list ------------------------------- 67
13.RS-232C communication ---------------------------- 68
Contents
Summary of Contents for CPS370W C4S3
Page 31: ...31 CP S370W 1 2 3 4 5 1 2 3 4 5 A B C D E F POWER UNIT BALLAST 1 C4S3 ...
Page 32: ...32 CP S370W 1 2 3 4 5 1 2 3 4 5 A B C D E F POWER UNIT BALLAST 2 C4S3 ...
Page 33: ...CP S370W 33 34 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT CIRCUIT 1 C4S3 ...
Page 34: ...CP S370W 35 36 6 5 4 3 2 1 6 5 4 3 2 1 A B C D E F G POWER UNIT CIRCUIT 2 C4S3 ...
Page 36: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 39 40 CP S370W PWB assembly SIGNAL 2 C4S3 ...
Page 38: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 43 44 PWB assembly DRIVE 1 C4S3 CP S370W ...
Page 39: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 45 46 CP S370W PWB assembly DRIVE 2 C4S3 ...
Page 40: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 47 48 PWB assembly DRIVE 3 C4S3 CP S370W ...
Page 41: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 49 50 CP S370W PWB assembly DRIVE 4 C4S3 ...
Page 42: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 51 52 PWB assembly DRIVE 5 C4S3 CP S370W ...
Page 43: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 53 54 PWB assembly DRIVE 6 C4S3 CP S370W ...
Page 44: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 55 56 CP S370W PWB assembly DRIVE 7 C4S3 ...
Page 45: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 57 58 PWB assembly DRIVE 8 C4S3 CP S370W ...
Page 46: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 59 60 PWB assembly DRIVE 9 C4S3 CP S370W ...
Page 47: ...A B C D E F G 5 4 3 2 1 6 6 5 4 3 2 1 61 62 PWB assembly DRIVE 10 C4S3 CP S370W ...
Page 48: ...CP S370W 63 64 MEMO MEMO ...
Page 59: ...75 CP S370W MEMO ...