Brochure
Page 1
... focus. >The perfect image in the business. The ViewSonic PJ750 projector delivers exceptionally bright presentations. ViewSonic has the best warranty and service support in case. High brightness and versatility. >Ideal for dynamic meetings. >Easy set-up to whisper quiet levels. Extend the life of displaying HD signals as well as MULTIPLE COMPUTER AND VIDEO INPUTS AND OUTPUTS FOR GREATER FLEXIBILITY. Connect two computers simultaneously or add a video source...
... focus. >The perfect image in the business. The ViewSonic PJ750 projector delivers exceptionally bright presentations. ViewSonic has the best warranty and service support in case. High brightness and versatility. >Ideal for dynamic meetings. >Easy set-up to whisper quiet levels. Extend the life of displaying HD signals as well as MULTIPLE COMPUTER AND VIDEO INPUTS AND OUTPUTS FOR GREATER FLEXIBILITY. Connect two computers simultaneously or add a video source...
Brochure
Page 2
...; Fax (909) 839-7922 • SalesInfo@ViewSonic.com • ViewSonic.com *Running Whisper-mode exclusively can extend lamp life up , down), input, reset, mute, keystone, indicator (lamp, power, temp) Standby on the web at ViewSonic.com Analog adapter available from ViewSonic. specifications ViewSonic® PJ750 Projector High Brightness. All rights reserved [11760-00B-02/04] PJ750-3 For more product information, visit us on /off , sync on green OPERATING CONDITIONS Temperature Humidity 32º F-95º F (0º...
...; Fax (909) 839-7922 • SalesInfo@ViewSonic.com • ViewSonic.com *Running Whisper-mode exclusively can extend lamp life up , down), input, reset, mute, keystone, indicator (lamp, power, temp) Standby on the web at ViewSonic.com Analog adapter available from ViewSonic. specifications ViewSonic® PJ750 Projector High Brightness. All rights reserved [11760-00B-02/04] PJ750-3 For more product information, visit us on /off , sync on green OPERATING CONDITIONS Temperature Humidity 32º F-95º F (0º...
Service Manual
Page 5
Features ► High brightness, High resolution ► Compact size, light weight for portability ► RS-232C Communication ► Complies with Safety Instructions) x 1 Quick start guide x 1 ViewSonic Corporation 2 CONFIDENTIAL -- Specifications Liquid crystal panel Drive system Panel size Number of pixels Lamp System Video input Level RGB input Video signal Sync signal RGB output Video signal Sync signal Audio input Speaker output Power supply Power consumption Dimensions Weight Temperature range Accessories TFT active matrix 0.9 inches 1024 (H) x 768 (V) 160W UHB ...
Features ► High brightness, High resolution ► Compact size, light weight for portability ► RS-232C Communication ► Complies with Safety Instructions) x 1 Quick start guide x 1 ViewSonic Corporation 2 CONFIDENTIAL -- Specifications Liquid crystal panel Drive system Panel size Number of pixels Lamp System Video input Level RGB input Video signal Sync signal RGB output Video signal Sync signal Audio input Speaker output Power supply Power consumption Dimensions Weight Temperature range Accessories TFT active matrix 0.9 inches 1024 (H) x 768 (V) 160W UHB ...
Service Manual
Page 6
... Location ofFeatures, Controls, andI/O • Parts names Speaker Handle Hook Power Switch AC Inlet (to the Power Cord) Ventilation Openings (Intake) STANDBY/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 VIDEO IN Terminal AUDIO IN L Terminal AUDIO IN R Terminal AUDIO...
... Location ofFeatures, Controls, andI/O • Parts names Speaker Handle Hook Power Switch AC Inlet (to the Power Cord) Ventilation Openings (Intake) STANDBY/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 VIDEO IN Terminal AUDIO IN L Terminal AUDIO IN R Terminal AUDIO...
Service Manual
Page 7
... COPY PJ750 POSITION Button RESET Button rd. Take care not to operate the El mouse shift function. ViewSonic Corporation 4 CONFIDENTIAL -- UHRU . Never look directly into the laser beam outlet or point the laser beam at other people. Remember, the POSITION, BLANK ON and MENU ON functions disable the mouse control function. • Remote control transmitter STANDBY/ON Button BLANK Button Disk Pad Used to...
... COPY PJ750 POSITION Button RESET Button rd. Take care not to operate the El mouse shift function. ViewSonic Corporation 4 CONFIDENTIAL -- UHRU . Never look directly into the laser beam outlet or point the laser beam at other people. Remember, the POSITION, BLANK ON and MENU ON functions disable the mouse control function. • Remote control transmitter STANDBY/ON Button BLANK Button Disk Pad Used to...
Service Manual
Page 8
... PJ750 Press the [MENU] button of the Remote control transmitter (the Setup menu will appear). 4-2 Ghost adjustment Signals for about the same across the whole screen, adjust so that the flicker at the center of the screen is at a minimum. (Set the adjustment value to adjust so that the flicker at the center of the screen is less than elsewhere.) 3. V.COM - and project an image a distance of 40 inches. 3.Normalizing the video adjustment...
... PJ750 Press the [MENU] button of the Remote control transmitter (the Setup menu will appear). 4-2 Ghost adjustment Signals for about the same across the whole screen, adjust so that the flicker at the center of the screen is at a minimum. (Set the adjustment value to adjust so that the flicker at the center of the screen is less than elsewhere.) 3. V.COM - and project an image a distance of 40 inches. 3.Normalizing the video adjustment...
Service Manual
Page 9
... 6 dots are adjusted as follows. Make a note of the setting (here assumed to display a white screen. Y= Ax 0.155 ± 15 [Ix] 6. Place the cursor on the following values. DO NOT COPY PJ750 First, adjust the G color. 3. Then measure the color coordinates at the center of the screen take on [A/D] - [SLIDE SHOW] in the Adjust menu [A/D], press the [Pod key three times to display G monochrome and adjust...
... 6 dots are adjusted as follows. Make a note of the setting (here assumed to display a white screen. Y= Ax 0.155 ± 15 [Ix] 6. Place the cursor on the following values. DO NOT COPY PJ750 First, adjust the G color. 3. Then measure the color coordinates at the center of the screen take on [A/D] - [SLIDE SHOW] in the Adjust menu [A/D], press the [Pod key three times to display G monochrome and adjust...
Service Manual
Page 10
... starting in the Adjust menu and press the [V] key. To temporarily turn it controls the brightness of the screen. and color, then adjust them. 4. ViewSonic Corporation 7 CONFIDENTIAL -- Although this adjustment can be adjusted by adjusting the white balance for the following two signals. • Solid monochrome adjustment color (use G color adjustment when a color differential meter is to be reset, place the cursor on the Remote control transmitter to be performed. DO NOT COPY PJ750...
... starting in the Adjust menu and press the [V] key. To temporarily turn it controls the brightness of the screen. and color, then adjust them. 4. ViewSonic Corporation 7 CONFIDENTIAL -- Although this adjustment can be adjusted by adjusting the white balance for the following two signals. • Solid monochrome adjustment color (use G color adjustment when a color differential meter is to be reset, place the cursor on the Remote control transmitter to be performed. DO NOT COPY PJ750...
Service Manual
Page 11
..., there is no need to adjust. (Go to illuminance Y3 [Ix]. 9. DAC-P GAMMA LEVEL MIN MID MAX Adjust Tone menu ON I ,ttt< X - -(7 H/3 IIt >tr: H/6 _(:)_ _ _ 11 V/3 A V/6 v CI$ : R Adjustment procedure 1 (when a color differential meter is convenient. Temporarily set the slide switch on the side to [A](delta) while holding down the [F] button on the Remote control transmitter to change to their average values. Assume...
..., there is no need to adjust. (Go to illuminance Y3 [Ix]. 9. DAC-P GAMMA LEVEL MIN MID MAX Adjust Tone menu ON I ,ttt< X - -(7 H/3 IIt >tr: H/6 _(:)_ _ _ 11 V/3 A V/6 v CI$ : R Adjustment procedure 1 (when a color differential meter is convenient. Temporarily set the slide switch on the side to [A](delta) while holding down the [F] button on the Remote control transmitter to change to their average values. Assume...
Service Manual
Page 15
... at pinsO, 0,C),C)of LAMP Blinks indicator D302? DO NOT COPY PJ750 And check TSW short or open? Not light PWB ass'y Main Is the LAMP COVER set? Short Open TSW Power unit (circuit) Fuse on the PWB ass'y Main. L (OV) Lirn't SW (PWB ass'y SW) ViewSonic Corporation 12 CONFIDENTIAL -- NG Set the LAMP COVER OK Is the LAMP connection? Power can not be turned on A e voltage input at standby mode? (TP46): +14V YES...
... at pinsO, 0,C),C)of LAMP Blinks indicator D302? DO NOT COPY PJ750 And check TSW short or open? Not light PWB ass'y Main Is the LAMP COVER set? Short Open TSW Power unit (circuit) Fuse on the PWB ass'y Main. L (OV) Lirn't SW (PWB ass'y SW) ViewSonic Corporation 12 CONFIDENTIAL -- NG Set the LAMP COVER OK Is the LAMP connection? Power can not be turned on A e voltage input at standby mode? (TP46): +14V YES...
Service Manual
Page 16
... of TEMP indicator? "L"= 0V NO PWB ass'y Main Power unit (ballast) Power unit (circuit) Connect E302 (for PWB NO ass'y SENSOR) Blinks Is PWB ass'y SENSOR surely connected with PWB ass'y Main by the cable? Lamp does not light What is the state of TH950 on the PWB ass'y Main YES fixed to "L" during warming- about 10kO PWB ass'y Main ViewSonic Corporation...
... of TEMP indicator? "L"= 0V NO PWB ass'y Main Power unit (ballast) Power unit (circuit) Connect E302 (for PWB NO ass'y SENSOR) Blinks Is PWB ass'y SENSOR surely connected with PWB ass'y Main by the cable? Lamp does not light What is the state of TH950 on the PWB ass'y Main YES fixed to "L" during warming- about 10kO PWB ass'y Main ViewSonic Corporation...
Service Manual
Page 21
... the temperature rising inside the projector. the CHECK AIR FLOW message appears on the screen and the power supply is clogged with a vacuum cleaner. • Switch power OFF and remove the power cord from the power outlet. 2. Switch the projector power supply OFF, and remove the power cord from the power outlet before beginning maintenance work. DO NOT COPY PJ750 ViewSonic Corporation 18 CONFIDENTIAL -- DISTRIBUTOR .4> • Do not disassemble the unit because replacement of separate parts is...
... the temperature rising inside the projector. the CHECK AIR FLOW message appears on the screen and the power supply is clogged with a vacuum cleaner. • Switch power OFF and remove the power cord from the power outlet. 2. Switch the projector power supply OFF, and remove the power cord from the power outlet before beginning maintenance work. DO NOT COPY PJ750 ViewSonic Corporation 18 CONFIDENTIAL -- DISTRIBUTOR .4> • Do not disassemble the unit because replacement of separate parts is...
Service Manual
Page 22
... explosion of the lamp. 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 scattered broken pieces of glass, do not apply shock to replace lamp. ViewSonic Corporation 19 CONFIDENTIAL -- Also, do not use the projector with this remote control transmitter. The lamp is switched ON. Before replacing the lamp, switch power OFF, wait 20 minutes, and switch power ON again. This...
... explosion of the lamp. 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 scattered broken pieces of glass, do not apply shock to replace lamp. ViewSonic Corporation 19 CONFIDENTIAL -- Also, do not use the projector with this remote control transmitter. The lamp is switched ON. Before replacing the lamp, switch power OFF, wait 20 minutes, and switch power ON again. This...
Service Manual
Page 23
... the LAMP indicator is red, or the CHANGE THE LAMP message is displayed. Switch the projector OFF, remove the power cord from the power outlet, and wait at least 45 minutes for approximately three seconds. Check that screws are tightened properly. Gently turn it upside down. 4. O c Cm'E 0r0 O !, De ICC • O ViewSonic Corporation 20 CONFIDENTIAL -- Install the new lamp and tighten the three screws firmly. Reset the lamp timer always when replace the lamp. DO NOT COPY PJ750...
... the LAMP indicator is red, or the CHANGE THE LAMP message is displayed. Switch the projector OFF, remove the power cord from the power outlet, and wait at least 45 minutes for approximately three seconds. Check that screws are tightened properly. Gently turn it upside down. 4. O c Cm'E 0r0 O !, De ICC • O ViewSonic Corporation 20 CONFIDENTIAL -- Install the new lamp and tighten the three screws firmly. Reset the lamp timer always when replace the lamp. DO NOT COPY PJ750...
Service Manual
Page 24
... "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "THE POWER WILL TURN OFF AFTER 0 Hr." Replace. "NO INPUT IS DETECTED" Signal is still lit, lamp may be turned off and the lamp indicator lights red, or the projector will light or blink in . Securely insert the lamp or shut the lamp door. ViewSonic Corporation 21 CONFIDENTIAL -- Lamp has 1,700 hours on the screen. Replace fan, PWB ass'y SENSOR or connect CNTH. "CHECK THE AIR FLOW" Please remove the obstruction before the suction port. Indicator display...
... "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "THE POWER WILL TURN OFF AFTER 0 Hr." Replace. "NO INPUT IS DETECTED" Signal is still lit, lamp may be turned off and the lamp indicator lights red, or the projector will light or blink in . Securely insert the lamp or shut the lamp door. ViewSonic Corporation 21 CONFIDENTIAL -- Lamp has 1,700 hours on the screen. Replace fan, PWB ass'y SENSOR or connect CNTH. "CHECK THE AIR FLOW" Please remove the obstruction before the suction port. Indicator display...
Service Manual
Page 36
'COVER-9 OK 08T3E0I2,Eu E302 OP13 2P 1000' 1OO8 35 2125 0 CPU-RESET 0335 100 2L300 C300 10/10 3220 N84 C303 1 OUT D. 01 1 1005 e ® von '11g0, 42.504 J --- 071 GND N C304 iTr s7o: TP° 40 ... X301 4MHz 1ER MCLR/VPP OSC2/CLKOUT VS6 YOD OP ICHI 050/I NT P37 Le R51 036 062 005 053 054 10324 AMP_COr OK }coo T I - LED -TEMP LED -LAMP' LED-0 ED-R 4\ V V 0O1 ,005 SOLES - SDATO TA7USO STA US1 STATU52 POWERS POW-S FAN-5 IMMO 10271231 PO 03 PIIEN1 S/P-i 2r
'COVER-9 OK 08T3E0I2,Eu E302 OP13 2P 1000' 1OO8 35 2125 0 CPU-RESET 0335 100 2L300 C300 10/10 3220 N84 C303 1 OUT D. 01 1 1005 e ® von '11g0, 42.504 J --- 071 GND N C304 iTr s7o: TP° 40 ... X301 4MHz 1ER MCLR/VPP OSC2/CLKOUT VS6 YOD OP ICHI 050/I NT P37 Le R51 036 062 005 053 054 10324 AMP_COr OK }coo T I - LED -TEMP LED -LAMP' LED-0 ED-R 4\ V V 0O1 ,005 SOLES - SDATO TA7USO STA US1 STATU52 POWERS POW-S FAN-5 IMMO 10271231 PO 03 PIIEN1 S/P-i 2r
Service Manual
Page 49
... FOOT FILTER COVER AIR FILTER ASS'Y CONTROL BUTTON ASS'Y DICHROIC OPTICS UNIT PWB ASS'Y MAIN PWB ASS'Y SIGNAL PWB ASS'Y REMOTE CONTROL PWB ASS'Y LIMIT SWITCH PWB ASS'Y SENSOR POWER UNIT (BALLAST) POWER UNIT (CIRCUIT) FUSE 6.3A TEMPERATURE SENSOR DC FAN (INTAKE A) DC FAN (EXHAUST) DC FAN (INTAKE B) SPEAKER CPC32 CONNECTOR CPC32 LOW CONNECTOR LCD/LENS PRISM ASS'Y C4 LAMP UNIT ASS'Y HANDLE C4 POWER SUPPLY CORD (EUROPE TYPE) W/CORE POWER SUPPLY CORD (US TYPE) POWER SUPPLY CORD...
... FOOT FILTER COVER AIR FILTER ASS'Y CONTROL BUTTON ASS'Y DICHROIC OPTICS UNIT PWB ASS'Y MAIN PWB ASS'Y SIGNAL PWB ASS'Y REMOTE CONTROL PWB ASS'Y LIMIT SWITCH PWB ASS'Y SENSOR POWER UNIT (BALLAST) POWER UNIT (CIRCUIT) FUSE 6.3A TEMPERATURE SENSOR DC FAN (INTAKE A) DC FAN (EXHAUST) DC FAN (INTAKE B) SPEAKER CPC32 CONNECTOR CPC32 LOW CONNECTOR LCD/LENS PRISM ASS'Y C4 LAMP UNIT ASS'Y HANDLE C4 POWER SUPPLY CORD (EUROPE TYPE) W/CORE POWER SUPPLY CORD (US TYPE) POWER SUPPLY CORD...
Service Manual
Page 50
...) + command data (6 bytes). 2 Header BE + EF + 03 + 06 + 00 + CRC_Iow + CRC_high CRC_low : Lower byte of CRC flag for command data. RS-232C Communication (Caution) The specified RS-232C cable has 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...
...) + command data (6 bytes). 2 Header BE + EF + 03 + 06 + 00 + CRC_Iow + CRC_high CRC_low : Lower byte of CRC flag for command data. RS-232C Communication (Caution) The specified RS-232C cable has 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...
Service Manual
Page 51
... works. Using the projector default settings (Reset Command) (1)The computer sends the default setting code Header + Command data ('06H'+'00H'+ type (2 bytes) +'00H'+'00H') to the projector. (2) The projector changes the specified setting to the default value. (3) The projector returns the response code '06H' to the computer. ViewSonic Corporation 48 CONFIDENTIAL -- Requesting projector status (Get command) (1)Send the request code Header + Command data ('02H'+'00H'+ type (2 bytes) +'00H'+'00H') from the computer to the projector. (2) The projector changes the setting...
... works. Using the projector default settings (Reset Command) (1)The computer sends the default setting code Header + Command data ('06H'+'00H'+ type (2 bytes) +'00H'+'00H') to the projector. (2) The projector changes the specified setting to the default value. (3) The projector returns the response code '06H' to the computer. ViewSonic Corporation 48 CONFIDENTIAL -- Requesting projector status (Get command) (1)Send the request code Header + Command data ('02H'+'00H'+ type (2 bytes) +'00H'+'00H') from the computer to the projector. (2) The projector changes the setting...
Service Manual
Page 53
...Magnify Timer Auto off Brightness Reset Contrast Reset V.Position Reset H.Position Reset H.Size Reset Color Balance R Reset Color Balance B Reset Aspect Reset Video Format Reset Sharpness Reset Color Reset Tint Reset Keystone Reset Mirror Reset Blank Color Reset Startup Reset Auto Blank on/off Timer on/off Error Status Command data chart Operation type Header CRC Action Command data Type Setting code Get ... Get (Normal) (Cover-error) (Fan-error) (Lamp-error) 04 00 05 00 06 00 (Temp-error) (Air flow-error) (Lamp-Time-over) ViewSonic Corporation 50 CONFIDENTIAL -- DO NOT COPY...
...Magnify Timer Auto off Brightness Reset Contrast Reset V.Position Reset H.Position Reset H.Size Reset Color Balance R Reset Color Balance B Reset Aspect Reset Video Format Reset Sharpness Reset Color Reset Tint Reset Keystone Reset Mirror Reset Blank Color Reset Startup Reset Auto Blank on/off Timer on/off Error Status Command data chart Operation type Header CRC Action Command data Type Setting code Get ... Get (Normal) (Cover-error) (Fan-error) (Lamp-error) 04 00 05 00 06 00 (Temp-error) (Air flow-error) (Lamp-Time-over) ViewSonic Corporation 50 CONFIDENTIAL -- DO NOT COPY...