User Guide
Page 13
... a high temperature could cause a burn and/or malfunction to keep the space for bottom-up use 5. While the projector is in the following procedure. 1. Set a new or cleaned air filter to fall. Tabs ViewSonic PJ452 Filter cover for a projector not to the filter cover for bottom-up use into place. Please be careful for bottom-up use (with an...
... a high temperature could cause a burn and/or malfunction to keep the space for bottom-up use 5. While the projector is in the following procedure. 1. Set a new or cleaned air filter to fall. Tabs ViewSonic PJ452 Filter cover for a projector not to the filter cover for bottom-up use into place. Please be careful for bottom-up use (with an...
User Guide
Page 43
...the filter time only when you have cleaned or replaced the air filter, for about 3 seconds displays a dialog to make sure. Pressing the RESET button on the remote control or the button ► on the projector for correct messages about the air filter. • About the caring the air filter, ... on the remote control or the button ► on the projector for correct messages about the lamp. • About the lamp replacement, please see the section "Air filter." ( 43) ViewSonic PJ452 39 RESET CANCEL FILTER TIME • Please reset the lamp time only when you have...
...the filter time only when you have cleaned or replaced the air filter, for about 3 seconds displays a dialog to make sure. Pressing the RESET button on the remote control or the button ► on the projector for correct messages about the air filter. • About the caring the air filter, ... on the remote control or the button ► on the projector for correct messages about the lamp. • About the lamp replacement, please see the section "Air filter." ( 43) ViewSonic PJ452 39 RESET CANCEL FILTER TIME • Please reset the lamp time only when you have...
User Guide
Page 47
... filter cover and the air filter. Usual filter cover Filter cover's knobs Air filter's knob Filter cover for malfunction prevention. 1. Air filter WARNING ►Do not replace the air filter during use or immediately after use the projector with the air filter and filter cover removed. ►Avoid wetting the projector or inserting liquids in the projector. ViewSonic PJ452 43 It could cause a burn and/or malfunction to clean the air filter, clean the air filter...
... filter cover and the air filter. Usual filter cover Filter cover's knobs Air filter's knob Filter cover for malfunction prevention. 1. Air filter WARNING ►Do not replace the air filter during use or immediately after use the projector with the air filter and filter cover removed. ►Avoid wetting the projector or inserting liquids in the projector. ViewSonic PJ452 43 It could cause a burn and/or malfunction to clean the air filter, clean the air filter...
User Guide
Page 48
... the projector on, and reset the filter time using the FILTER TIME function of OPTION menu. ( 39) NOTE • Incorrectly resetting of the filter timer (resetting without replacement, or neglect of specified type will result in incorrect message functions. After cleaning, reattach the cleaned filter to the air filter and filter cover. Position the air filter and filter cover into place. ViewSonic PJ452 44 An air filter...
... the projector on, and reset the filter time using the FILTER TIME function of OPTION menu. ( 39) NOTE • Incorrectly resetting of the filter timer (resetting without replacement, or neglect of specified type will result in incorrect message functions. After cleaning, reattach the cleaned filter to the air filter and filter cover. Position the air filter and filter cover into place. ViewSonic PJ452 44 An air filter...
User Guide
Page 51
... the power ON again. • Is there blockage of the air passage aperture? • Is the air filter dirty? • Does the peripheral temperature exceed 35°C? • If the same indication is rising. ViewSonic PJ452 47 After you have cleaned or AFTER CLEANING THE changed the air filter, please be sure to cool down at the FAN SPEED...
... the power ON again. • Is there blockage of the air passage aperture? • Is the air filter dirty? • Does the peripheral temperature exceed 35°C? • If the same indication is rising. ViewSonic PJ452 47 After you have cleaned or AFTER CLEANING THE changed the air filter, please be sure to cool down at the FAN SPEED...
User Guide
Page 53
... ON. ViewSonic PJ452 49 Regarding the indicator lamps (continued) POWER LAMP TEMP indicator indicator indicator Description Blinking Turned Blinking The cooling fan is displayed after the treatment, please contact your dealer or service company. After the projector has sufficiently cooled down, please make confirmation of the air passage aperture? ・ Is the air filter dirty? ・...
... ON. ViewSonic PJ452 49 Regarding the indicator lamps (continued) POWER LAMP TEMP indicator indicator indicator Description Blinking Turned Blinking The cooling fan is displayed after the treatment, please contact your dealer or service company. After the projector has sufficiently cooled down, please make confirmation of the air passage aperture? ・ Is the air filter dirty? ・...
Service Manual
Page 20
...of the chapter 8. (4) Remove the Panel Cover. ViewSonic Corporation Confidential - Make sure that flexible cables of LCD panels should not replace separately the parts of the LCD/PRISM assembly. Do Not Copy PJ452 17 Do not disassemble the unit becaouse replacement of separate... (1) Swab for cleaning "Cotton stick L147" (2) Air duster (Dust blower, spray can) (3) Vacuum cleaner 2. In case of a failure in any other parts during maintenance, especially when the projector is not possible. LCD/PRISM ASSY 6-3 Cleaning up dust from panels and optical filters 1. Note that flexible...
...of the chapter 8. (4) Remove the Panel Cover. ViewSonic Corporation Confidential - Make sure that flexible cables of LCD panels should not replace separately the parts of the LCD/PRISM assembly. Do Not Copy PJ452 17 Do not disassemble the unit becaouse replacement of separate... (1) Swab for cleaning "Cotton stick L147" (2) Air duster (Dust blower, spray can) (3) Vacuum cleaner 2. In case of a failure in any other parts during maintenance, especially when the projector is not possible. LCD/PRISM ASSY 6-3 Cleaning up dust from panels and optical filters 1. Note that flexible...
Service Manual
Page 21
Cleaning the panels and optical filters (1) Turn on screen. Re-assembly (1) Turn off by using vacuum cleaner. Maintenance point Actual formation Swab Holder Optical filter Panel Separatied formation Each color part has same construction. Focusing dust makes you can easily remove dust from panel and optical filter. 4. ViewSonic Corporation Confidential - By using swab and air duster, remove...
Cleaning the panels and optical filters (1) Turn on screen. Re-assembly (1) Turn off by using vacuum cleaner. Maintenance point Actual formation Swab Holder Optical filter Panel Separatied formation Each color part has same construction. Focusing dust makes you can easily remove dust from panel and optical filter. 4. ViewSonic Corporation Confidential - By using swab and air duster, remove...
Service Manual
Page 24
... a vacuum cleaner to the air filter and filter cover.Then set a new or cleaned air filter into place.In case of the projector for the air filter. Then slowly turn the projector bottom up use, remove the air filter from the filter cover. Claws Air filter Rail of air filter Filter cover for bottom-up . 4. Do Not Copy 21 PJ452 6-6 Air filter WARNING ●Do not replace...
... a vacuum cleaner to the air filter and filter cover.Then set a new or cleaned air filter into place.In case of the projector for the air filter. Then slowly turn the projector bottom up use, remove the air filter from the filter cover. Claws Air filter Rail of air filter Filter cover for bottom-up . 4. Do Not Copy 21 PJ452 6-6 Air filter WARNING ●Do not replace...
Service Manual
Page 30
... when cleaning the air filter. Lamps are major differences in product lifetimes; ViewSonic Corporation Confidential - Please confirm the specs for 30 seconds when the PJ is turned on. AFTER CLEANING THE AIR FILTER, RESET THE FILTER TIMER. After you have cleaned or changed the air fi...rmed the following items, please turn the power OFF, and clean or change the air filter by referring to the section "Air filter". A note of the signal source. Do Not Copy PJ452 27 Although these messages will be automatically disappeared around several minutes...
... when cleaning the air filter. Lamps are major differences in product lifetimes; ViewSonic Corporation Confidential - Please confirm the specs for 30 seconds when the PJ is turned on. AFTER CLEANING THE AIR FILTER, RESET THE FILTER TIMER. After you have cleaned or changed the air fi...rmed the following items, please turn the power OFF, and clean or change the air filter by referring to the section "Air filter". A note of the signal source. Do Not Copy PJ452 27 Although these messages will be automatically disappeared around several minutes...
Service Manual
Page 31
... Blinking Turned Turned The projector is not operating. Please turn the power off Blinking In Red The cooling fan is warming up. If the same indication is displayed after the treatment, please replace a fan. After cleaning or changed the air filter, please be sure to...a possibility that interior portion has become overheated, for safety purposes, the power source is in the table. ViewSonic Corporation Confidential - Do Not Copy PJ452 28 Lighting In Green Alternative blinking in Red It is displayed after the treatment, please make confirmation...
... Blinking Turned Turned The projector is not operating. Please turn the power off Blinking In Red The cooling fan is warming up. If the same indication is displayed after the treatment, please replace a fan. After cleaning or changed the air filter, please be sure to...a possibility that interior portion has become overheated, for safety purposes, the power source is in the table. ViewSonic Corporation Confidential - Do Not Copy PJ452 28 Lighting In Green Alternative blinking in Red It is displayed after the treatment, please make confirmation...