ViewSonic PJ650, Руководство по обслуживанию

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PJ650
(C3XM4)
SERVICE MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
Multimedia LCD Projector
October 2003
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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 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 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 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
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 the SUPPLIER.