Brochure
Page 1
...7.2 lbs. Covered by extending the lamp life and reducing noise output to use, the FULL-FEATURED PJ750 offers zoom and digital keystone correction as well as other video and data sources. >Ultimate flexibility with multiple RGB inputs. ViewSonic has the best warranty and service ... 24/7 customer support.† Technical Support wherever, whenever, just in case. >The best warranty in any setting. ViewSonic® PJ750 Projector High Brightness. Bright, versatile and portable. Ultra-Portable. Extend the life of your lamp up and auto tuning. Packs 2,300 lumens in case.
...7.2 lbs. Covered by extending the lamp life and reducing noise output to use, the FULL-FEATURED PJ750 offers zoom and digital keystone correction as well as other video and data sources. >Ultimate flexibility with multiple RGB inputs. ViewSonic has the best warranty and service ... 24/7 customer support.† Technical Support wherever, whenever, just in case. >The best warranty in any setting. ViewSonic® PJ750 Projector High Brightness. Bright, versatile and portable. Ultra-Portable. Extend the life of your lamp up and auto tuning. Packs 2,300 lumens in case.
Brochure
Page 2
... subject to manufacturers installed lamp only. Ultra-Portable. position, H. Analog adapter available from ViewSonic. Copyright © 2004 ViewSonic Corporation. For additional calculations visit ViewSonic.com. position, H. ViewSonic Corporation's QMS & EMS have been registered to PJ250, PJ350, PJ500, PJ501, PJ510, PJ550, PJ551, PJ650, PJ750, and PJ1065 projectors purchased after May 1, 2002. See your ViewSonic representative for 90 days...
... subject to manufacturers installed lamp only. Ultra-Portable. position, H. Analog adapter available from ViewSonic. Copyright © 2004 ViewSonic Corporation. For additional calculations visit ViewSonic.com. position, H. ViewSonic Corporation's QMS & EMS have been registered to PJ250, PJ350, PJ500, PJ501, PJ510, PJ550, PJ551, PJ650, PJ750, and PJ1065 projectors purchased after May 1, 2002. See your ViewSonic representative for 90 days...
Service Manual
Page 4
.... High voltage is present in this product. ServiceWarning 1. The lamp can be exteemly HOT. Never touch the lamp bulb. When replacing to avoid burning your fingers when replacing the lamp. 2. ViewSonit SERVICE MANUAL PJ750 Caution Be sure to read and follow all cautionary warnings mentioned ...lamp circuit, so do not touch the electrical parts of the power unit when the projector is powered on. 4. DO NOT COPY PJ750 Dropping it or giving it a shock may cause the lamp to provide protection from fire, electric shock, physical injury, harmful radiation and materials. This ViewSonic...
.... High voltage is present in this product. ServiceWarning 1. The lamp can be exteemly HOT. Never touch the lamp bulb. When replacing to avoid burning your fingers when replacing the lamp. 2. ViewSonit SERVICE MANUAL PJ750 Caution Be sure to read and follow all cautionary warnings mentioned ...lamp circuit, so do not touch the electrical parts of the power unit when the projector is powered on. 4. DO NOT COPY PJ750 Dropping it or giving it a shock may cause the lamp to provide protection from fire, electric shock, physical injury, harmful radiation and materials. This ViewSonic...
Service Manual
Page 5
...; 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... x 1 Mouse cable (PS/2) x 1 POWER cord x 3 Battery x 2 Carrying bag x 1 Handle x 1 CD-ROM (User's guide with VESA DDC1/2B specifications ► Auto-adjustment function 2. DO NOT COPY PJ750 1.
...; 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... x 1 Mouse cable (PS/2) x 1 POWER cord x 3 Battery x 2 Carrying bag x 1 Handle x 1 CD-ROM (User's guide with VESA DDC1/2B specifications ► Auto-adjustment function 2. DO NOT COPY PJ750 1.
Service Manual
Page 6
DO NOT COPY PJ750 Location ofFeatures, Controls, andI/O • Parts names Speaker Handle Hook Power Switch AC Inlet (to the Power ...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... below) Remote Control Sensor RGB IN 1 Terminal RGB IN 2 Terminal CONTROL Terminal RGB OUT Terminal USB Terminal ViewSonic Corporation 3 CONFIDENTIAL -- 3.
DO NOT COPY PJ750 Location ofFeatures, Controls, andI/O • Parts names Speaker Handle Hook Power Switch AC Inlet (to the Power ...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... below) Remote Control Sensor RGB IN 1 Terminal RGB IN 2 Terminal CONTROL Terminal RGB OUT Terminal USB Terminal ViewSonic Corporation 3 CONFIDENTIAL -- 3.
Service Manual
Page 15
Short Open TSW Power unit (circuit) Fuse on the PWB ass'y Main. NG Set the LAMP again OK PWB ass'y Main H (More than 6V) Measure voltage at standby mode? (TP46): +14V YES O...? Blinks Not light PWB ass'y SENSOR DC FAN (EXHAUST) What is the state of LAMP Blinks indicator D302? L (OV) Lirn't SW (PWB ass'y SW) ViewSonic Corporation 12 CONFIDENTIAL -- Power can not be turned on A e voltage input at pinsO,...the state of TEM indicator D301? Not light PWB ass'y Main Is the LAMP COVER set? NG Set the LAMP COVER OK Is the LAMP connection? DO NOT COPY PJ750
Short Open TSW Power unit (circuit) Fuse on the PWB ass'y Main. NG Set the LAMP again OK PWB ass'y Main H (More than 6V) Measure voltage at standby mode? (TP46): +14V YES O...? Blinks Not light PWB ass'y SENSOR DC FAN (EXHAUST) What is the state of LAMP Blinks indicator D302? L (OV) Lirn't SW (PWB ass'y SW) ViewSonic Corporation 12 CONFIDENTIAL -- Power can not be turned on A e voltage input at pinsO,...the state of TEM indicator D301? Not light PWB ass'y Main Is the LAMP COVER set? NG Set the LAMP COVER OK Is the LAMP connection? DO NOT COPY PJ750
Service Manual
Page 16
... during warming- DO NOT COPY PJ750 YES What is the state of TH950 on the PWB ass'y SENSOR at L817 on the PWB ass'y Main NO set to "L" during operation? about 10kO PWB ass'y Main ViewSonic Corporation 13 CONFIDENTIAL -- Does lamp light? YES PWB ass'y Main... L (0V) Power unit (ballast) PWB ass'y SENSOR Infinity Measure the resistancne of LAMP indicator during warming- Light Lamp Not Light Is the voltage at disconnecting E302. ...
... during warming- DO NOT COPY PJ750 YES What is the state of TH950 on the PWB ass'y SENSOR at L817 on the PWB ass'y Main NO set to "L" during operation? about 10kO PWB ass'y Main ViewSonic Corporation 13 CONFIDENTIAL -- Does lamp light? YES PWB ass'y Main... L (0V) Power unit (ballast) PWB ass'y SENSOR Infinity Measure the resistancne of LAMP indicator during warming- Light Lamp Not Light Is the voltage at disconnecting E302. ...
Service Manual
Page 22
... and minus poles are correctly oriented as indicated in the Remote control transmitter. If the LAMP indicator is also red when the lamp unit reaches high temperature. DO NOT COPY PJ750 This could cause in the relative area or country. • Keep the battery away from... from the power outlet and ask your dealer before replacing the lamp. (Option lamp: D100331) Before replacing the lamp, switch power OFF, remove the power cord from the Remote control transmitter. ViewSonic Corporation 19 CONFIDENTIAL -- The lamp is covered by scattered broken pieces of glass, do not apply...
... and minus poles are correctly oriented as indicated in the Remote control transmitter. If the LAMP indicator is also red when the lamp unit reaches high temperature. DO NOT COPY PJ750 This could cause in the relative area or country. • Keep the battery away from... from the power outlet and ask your dealer before replacing the lamp. (Option lamp: D100331) Before replacing the lamp, switch power OFF, remove the power cord from the Remote control transmitter. ViewSonic Corporation 19 CONFIDENTIAL -- The lamp is covered by scattered broken pieces of glass, do not apply...
Service Manual
Page 23
... the unit. 7. O c Cm'E 0r0 O !, De ICC • O ViewSonic Corporation 20 CONFIDENTIAL -- The 'LAMP xxxx hr' message will then appear. 3. The 'LAMP xxxx u -> 0 II CANCEL: message will appear on the lamp timer on the bottom of the lamp case may result in over 10 minutes. 1. DO NOT COPY PJ750 Touching the inside of the screen. 2. Replace the...
... the unit. 7. O c Cm'E 0r0 O !, De ICC • O ViewSonic Corporation 20 CONFIDENTIAL -- The 'LAMP xxxx hr' message will then appear. 3. The 'LAMP xxxx u -> 0 II CANCEL: message will appear on the lamp timer on the bottom of the lamp case may result in over 10 minutes. 1. DO NOT COPY PJ750 Touching the inside of the screen. 2. Replace the...
Service Manual
Page 24
... NOT COPY PJ750 When inside temperature becomes high, to protect the projector, the lamp may need to be displayed. Lamp has 1,700 hours on the screen. Indicator display The ON indicator, LAMP indicator and TEMP indicator will turns off and the lamp indicator lights ...of "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "THE POWER WILL TURN OFF AFTER 0 Hr." "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "THE POWER WILL TURN OFF AFTER 20 Hr." ViewSonic Corporation 21 CONFIDENTIAL ...
... NOT COPY PJ750 When inside temperature becomes high, to protect the projector, the lamp may need to be displayed. Lamp has 1,700 hours on the screen. Indicator display The ON indicator, LAMP indicator and TEMP indicator will turns off and the lamp indicator lights ...of "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "THE POWER WILL TURN OFF AFTER 0 Hr." "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "CHANGE THE LAMP" "AFTER REPLACING LAMP, RESET THE LAMP TIMER" "THE POWER WILL TURN OFF AFTER 20 Hr." ViewSonic Corporation 21 CONFIDENTIAL ...
Service Manual
Page 28
... I t Sirocco far) r _ i Cla To Power unit (Ballast) Route the Sirocco fan lead through the opening in the Exhaust fan. To PWB ass'y Main Cemperature switch (Lamp lead E801,E802 AdO3 ION oa -- 1VIINBCIIANO3 Route the earth lead of Optical unit through the Ballast cover. Upper view (Removed PWB ass'y Main) 0 Insert...
... I t Sirocco far) r _ i Cla To Power unit (Ballast) Route the Sirocco fan lead through the opening in the Exhaust fan. To PWB ass'y Main Cemperature switch (Lamp lead E801,E802 AdO3 ION oa -- 1VIINBCIIANO3 Route the earth lead of Optical unit through the Ballast cover. Upper view (Removed PWB ass'y Main) 0 Insert...
Service Manual
Page 29
...'y To Speaker (L) Remote control v PWB ass'y To Speaker (R) Sensor -1CNTH E803 E807 1 : r : E302 En901 CNRM CN2 ESPL E803 E302 E806 (Panel B) (Lamp)./4 4,---(CNPOW E950 a ESPR Insert E800 and E808 before PWB ass'y Main fixing because the Optical unit side of E801 and E802 for Sirocco fan. Upper...NG OK (CNLC) E941 PWB ass'y sensor Fix CNLC with tape so that CNLC cannot lay on the Operation panel. E808 CNBAR) To Sirocco fan, Lamp and Panel B. E802(panel G) E801(panel R) P602 E804 PWB ass'y Main E809 101 Position of Power unit (circuit) holder. Power (circuit) To...
...'y To Speaker (L) Remote control v PWB ass'y To Speaker (R) Sensor -1CNTH E803 E807 1 : r : E302 En901 CNRM CN2 ESPL E803 E302 E806 (Panel B) (Lamp)./4 4,---(CNPOW E950 a ESPR Insert E800 and E808 before PWB ass'y Main fixing because the Optical unit side of E801 and E802 for Sirocco fan. Upper...NG OK (CNLC) E941 PWB ass'y sensor Fix CNLC with tape so that CNLC cannot lay on the Operation panel. E808 CNBAR) To Sirocco fan, Lamp and Panel B. E802(panel G) E801(panel R) P602 E804 PWB ass'y Main E809 101 Position of Power unit (circuit) holder. Power (circuit) To...
Service Manual
Page 34
T T T o § 4s0 UOLO g'a T T .T 0E2r054 GME3 G----• 0:77 ) 70. La !Eggs 9 9 2 9 2 9 9, 2 9 E 9 2 TTTTTTTTTTTTTTTTTT 0004 BUS3 PJ75O (VPROJ22826-1W) PWB ASST MAIN (1/10) 1 ViewSonic Corporation 2 3 4 5 31 Confidential - Do Not Copy 6 PJ750 SOLID 049 SO GREG se GRE2 BR GRE4 GRES ORES GGEO ES GGE2 GG GEE BB GOES GE7 OBE° GBE GBE2 GBE3 GS GBES...
T T T o § 4s0 UOLO g'a T T .T 0E2r054 GME3 G----• 0:77 ) 70. La !Eggs 9 9 2 9 2 9 9, 2 9 E 9 2 TTTTTTTTTTTTTTTTTT 0004 BUS3 PJ75O (VPROJ22826-1W) PWB ASST MAIN (1/10) 1 ViewSonic Corporation 2 3 4 5 31 Confidential - Do Not Copy 6 PJ750 SOLID 049 SO GREG se GRE2 BR GRE4 GRES ORES GGEO ES GGE2 GG GEE BB GOES GE7 OBE° GBE GBE2 GBE3 GS GBES...
Service Manual
Page 36
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 ...
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 ...
Service Manual
Page 49
...components, read the PRODUCT SAFETY NOTICE of the projector through improper servicing. DO NOT COPY PJ750 Don't degrade the safety of this Service Manual carefully. LOCATION VSC PART VENDOR PART VENDOR...(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)... CABLE W/CORE REMOTE CONTROL UNIT CLEANING TOOL FOR DUST ViewSonic Corporation 46 CONFIDENTIAL -- 12. Replacement Parts List PRODUCT SAFETY NOTE: Components marked with a A ...
...components, read the PRODUCT SAFETY NOTICE of the projector through improper servicing. DO NOT COPY PJ750 Don't degrade the safety of this Service Manual carefully. LOCATION VSC PART VENDOR PART VENDOR...(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)... CABLE W/CORE REMOTE CONTROL UNIT CLEANING TOOL FOR DUST ViewSonic Corporation 46 CONFIDENTIAL -- 12. Replacement Parts List PRODUCT SAFETY NOTE: Components marked with a A ...
Service Manual
Page 51
DO NOT COPY PJ750 Increasing the projector setting value (Increment command) (1) The computer sends the...other code. • The projector outputs test data when the power supply is switched ON, and when the lamp is lit. Decreasing the projector setting value (Decrement command) (1) The computer sends the decrement code Header + Command... '15H' is returned by the data length code, an error code will ignore the excess data code. ViewSonic Corporation 48 CONFIDENTIAL -- Using the projector default settings (Reset Command) (1)The computer sends the default setting code...
DO NOT COPY PJ750 Increasing the projector setting value (Increment command) (1) The computer sends the...other code. • The projector outputs test data when the power supply is switched ON, and when the lamp is lit. Decreasing the projector setting value (Decrement command) (1) The computer sends the decrement code Header + Command... '15H' is returned by the data length code, an error code will ignore the excess data code. ViewSonic Corporation 48 CONFIDENTIAL -- Using the projector default settings (Reset Command) (1)The computer sends the default setting code...
Service Manual
Page 53
DO NOT COPY PJ750 Names 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 ... D9 D8 02 00 20 60 00 00 (Example of Return) 00 00 01 00 02 00 03 00 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 PJ750 Names 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 ... D9 D8 02 00 20 60 00 00 (Example of Return) 00 00 01 00 02 00 03 00 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 --