ViewSonic PJ750 Uživatelský manuál stáhnout pdf

PJ750-2

SERVICE MANUAL

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

Multimedia LCD Projector

March 2002

Be sure to read this manual before servicing. To assure safety from re, electric shock, injury, harmful

radiation and materials, various measures are provided in this 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 ngers. The lamp becomes too hot.

2. Never touch the lamp bulb with a nger 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 specied.

Service Warning

1. Features --------------------------------------------------- 2

2. Specications--------------------------------------------- 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

1 2 3 4 5 6 7 8 9 10

Shrnutí obsahu

Strany 1 - Multimedia LCD Projector

PJ750-2 SERVICE MANUALSPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT. Multimedia LCD ProjectorMarch 2002Be sure to read this ma

Strany 2 - 13. RS-232C communication

PJ750-2Printed in Japan (J)

Strany 3

6813. RS-232C communication(1) Turn off the projector and computer power supplies and connect with the RS-232C cable.(2) Turn on the computer power su

Strany 4 - Command data chart

69Requesting projector status (Get command)(1) Send the request code Header + Command data (‘02H’+‘00H’+ type (2 bytes) +‘00H’+‘00H’) from the compute

Strany 5

70Names Operation type HeaderCommand dataCRC Action Type Setting codeBlank ColorSetRed BE EF 03 06 00 3B D3 01 00 00 30 00 00Orange BE EF 03 06

Strany 6

71Names Operation type HeaderCommand dataCRC Action Type Setting codeMagnifyGet BE EF 03 06 00 7C D2 02 00 07 30 00 00Increment BE EF 03 06 00

Strany 7

72Names Operation type HeaderCommand dataCRC Action Type Setting codeMuteSetNormal BE EF 03 06 00 46 D3 01 00 02 20 00 00Mute BE EF 03 06 00 D

Strany 8

73Names Operation type HeaderCommand dataCRC Action Type Setting codeSharpnessGet BE EF 03 06 00 F1 72 02 00 01 22 00 00Increment BE EF 03 06

Strany 9

74Names Operation type HeaderCommand dataCRC Action Type Setting codeSync on GSetoff BE EF 03 06 00 CB D0 01 00 08 30 01 00on BE EF 03 06 00 5

Strany 10 - Printed in Japan (J)

75MEMO

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