ViewSonic PJ750 Support and Manuals
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Popular ViewSonic PJ750 Manual Pages
Brochure - Page 1
... zoom function ensure the perfect size image in case. ViewSonic has the best warranty and service support in the business!
3-Year Parts and
labor limited warranty
1-Ye a r Free Express Exchange® 1-Ye a r Limited lamp warranty**
And we offer free 24/7† technical support for mobile professionals. With the PJ750 projector, you'll confidently present a positive image anytime, anywhere...
Brochure - Page 2
... carry case, mirror reverse image, horizontal/vertical keystone correction, remote with mouse and laser pointer
WARRANTY
Three-year limited warranty on parts and labor, first-year Express Exchange® service, one-year warranty on the web at ViewSonic.com specifications
ViewSonic® PJ750 Projector
High Brightness. Third-year and 1-year limited lamp warranties apply only to 4,000 hours...
Service Manual - Page 2
... the contents hereof and specifically disclaims any particular purpose. Disclaimer
ViewSonic makes no representations or warranties, either expressed or implied, with respect to time in any form or by ViewSonic Corporation. Revision History
Revision 1.0
Date 11/1/01
Description Of Changes
Initial Issue - Sears
ii
PJ750 Service Manual Trademarks
ViewSonic is a registered trademark of...
Service Manual - Page 3
Troubleshooting
11
6. Adjustments
5
5. Replacement Parts List
46
APPENDIX -- Block Diagram
22
8. Disassembly/Exploded Parts Diagrams
44
12. Features
2
2. Interconnection Diagaram
23
9. Wiring diagrams
24
10. Specifications
2
3. RS-232C Communication
47
iii
PJ750 Service Manual Location of Features, Controls, and I/O
3
4. Circuit diagrams
27
11. TABLE OF...
Service Manual - Page 4
... on. 4. Never touch the lamp bulb. When replacing to the LCD module assembly, never
handle the attached flexible ribbon cable. High voltage is present in this product. ViewSonit
SERVICE MANUAL
PJ750
Caution
Be sure to read and follow all cautionary warnings mentioned in the projector for the lamp circuit, so do not touch the electrical parts of the power
unit...
Service Manual - Page 6
.../ON Button MUTE Button
FRONT/LEFT VIEW OF THE PROJECTOR
Control Panel
Foot Adjuster Button
Air Filter and Intake (for the Cooling Fan)
Rear Foot Adjuster
e*O
Zoom Knob Focus Ring Remote Control Sensor
Lens Slide Lens door Foot Adjuster
INPUT Button LAMP Indicator TEMP Indicator POWER Indicator RESET Button MENU Button
Ventilation Openings (exhaust)
S-VIDEO Terminal...
Service Manual - Page 7
... the projector. • Do not disassemble the Remote control transmitter in case of the remote control transmitter is activated. POSITION Button RESET Button
rd. UHRU . Take care not to drop. • Do not place the heavy objects on the Remote control transmitter. • Do not wet the Remote control transmitter or place it to the service station...
Service Manual - Page 8
... no signal.
4. In the same way, use DAC-P - ViewSonic Corporation
5
CONFIDENTIAL -- a. or more (the Adjustment menu will appear). B: in ...projector for internal adjustment
Adjustment procedure 1. When a ghost appears to the left of the Remote control transmitter to display the Setup menu, then press the [RESET] button.) *note : The setup menu is about 10 min. (Blank white)
2.Set...
Service Manual - Page 21
... work. DO NOT COPY
PJ750
the CHECK AIR FLOW message appears on the
screen and the power supply is not possible.
• For repairs of the liquid crystal LCD / Lens Prism because it works properly only when used together. DISTRIBUTOR
.4>
• Do not disassemble the unit because replacement of separate parts is switched OFF automatically to...
Service Manual - Page 22
...your dealer to the instruction of community authorities.
• Since the lamp is still red, replace the lamp.
ViewSonic Corporation
19
CONFIDENTIAL -- Make sure the plus and minus terminals are correctly
oriented.
2
3.
The lamp is switched ON. Replace the lamp if the LAMP indicator is red, or the CHANGE THE LAMP message (see P.21) appears when the projector is covered by...
Service Manual - Page 23
... the two screws firmly.
4sk i\-040
•
8. Press the MENU button on the Remote control transmitter, or the RESET button on the control panel, while the lamp timer is not reset correctly.
1,2 3 2
C
3
0 3!
NOTE: Do not reset the lamp timer without replacing the lamp.
Replacing the Lamp
1. Switch the projector OFF, remove the power cord from the power outlet, and
wait at least 45...
Service Manual - Page 24
... lamp may need to be defective. ViewSonic Corporation
21
CONFIDENTIAL -- See "Reset the lamp timer"
Blinking of the projector, it and may be turned off Blinks red Lights red
Lamp is not inserted or Lamp cover is open
Cooling fan accidented or PWB ass'y SENSOR accidented. "CHECK THE AIR FLOW"
Please remove the obstruction before the suction port.
Replace.
Lamp...
Service Manual - Page 49
...the components, read the PRODUCT SAFETY NOTICE of the projector through improper servicing. Don't degrade the safety of this Service Manual carefully. 12. DO NOT COPY
PJ750 Replacement Parts List
PRODUCT SAFETY NOTE: Components marked with a A have special characteristics important to safety. LOCATION VSC PART
VENDOR PART VENDOR PART DESCRIPTION
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...
Service Manual - Page 50
... the user's manual with RS-232C command table.
(1) Turn off the projector and computer power supplies and connect with the RS-232C cable. (2) Turn on the computer power supply and, after the computer has started up, turn on the projector power supply.
INCREMENT
Increment setup value by 1.
DECREMENT
Decrement setup value by 1.
DO NOT COPY
PJ750 control...
Service Manual - Page 51
..., the error code '1cH' +'xxxxH' is lit.
DO NOT COPY
PJ750 Decreasing the projector setting value (Decrement command) (1) The computer sends the decrement code Header + Command data (`05H'+'00H'+ type (2 bytes) +'00H'+'00H')
to the projector. (2) The projector decreases the setting value on the above setting code. (3) The projector returns the response code '06H' to the computer. ViewSonic...
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