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Epson EB-E01 Service Manual Download Page 121

EB-E01 series

Disassembly and Assembly

INTERNAL USE ONLY

SEIKO EPSON

121

Revision A

3.3.13.1  Lamp Fan/Speaker 5W

DISASSEMBLY PROCEDURE

1. See 

Flowchart (p70)

 and remove all parts up to the component below from 

the projector.

Lamp Fan (Assy) (p120)

2. Remove the "Lamp Fan" from the "Lamp Connector Holder".

3. Remove the "Lamp Fan Cushion A" and the two "Lamp Fan Cushion B" 

from the "Lamp Fan".

EB-E01/X06/W06/FH06/E10/X51/W51/E20/X49/W49/W52, 
EH-TW740/TW750

4. Remove the two screws ( ) and remove the "Speaker 5W".

EB-FH06/E20/X49/W49, EH-TW740/TW750

5. Remove the "GND Cable".

Lamp Connector Holder

Lamp Fan Cushion B

Lamp Fan Cushion A

Lamp Fan

Lamp Connector Holder

Lamp Fan Cushion B

Lamp Fan Cushion A

Lamp Fan

Speaker 5W

GND Cable

EB-E01/X06/W06/FH06/E10/X51/W51/E20/X49/W49/W52, 
EH-TW740/TW750

EB-FH52/972/982W/992F/118, PL 119W

C.B.P-TITE SCREW,2.5X8,F/ZN-3C

Summary of Contents for EB-E01

Page 1: ...r EB E01 X06 W06 E10 EB X51 W51 E20 W52 Electric shock may result if you operate carelessly because there is electric charge remaining to reduce power consumption in the Power Supply Make sure to follow the procedure below 3 3 14 PS Ballast Assy p122 ...

Page 2: ...this manual the parts and mechanism may be subject to change for improvement of their performance Therefore note that the descriptions given in this manual may not coincide with the actual machine Other company or product names used herein are for identification purpose only and may be trademarks or registered trademarks of their respective owners EPSON disclaims any and all rights in those marks ...

Page 3: ...given to the precautions on the preceding page CHAPTER 1 PRODUCT DESCRIPTIONS Provides a general overview of the features and specifications of the product CHAPTER 2 TROUBLESHOOTING Explains basic confirmation items for identifying the location of obstacle based on defects and abnormal symptoms CHAPTER 3 DISASSEMBLY ASSEMBLY Describes the step by step procedures for disassembling and assembling th...

Page 4: ...tes a potentially hazardous operation which if ignored or operated incorrectly could result in serious or fatal personal injury Caution Indicates a potentially hazardous operation which if ignored or operated incorrectly could result in minor injury or damage to equipment Prohibited Matter Indicates a prohibited action or operation in repair and maintenance performance Instruction Indicates a comp...

Page 5: ... the ones that are not designated for any reason whatsoever Such actions may endanger the projector s safety operation and may result in a fire or serious injury Never modify the product for any reason whatsoever Except for a case that is under the instructions to do so In such a case understand the instructions thoroughly in advance and perform modification appropriately Never peer through the pr...

Page 6: ...h as a board or the optical engine be sure to contact the anti static case containing the new one to the metal part of this product before taking it out When performing the repair maintenance work be sure to use the specified tools and follow the instructions that are specified in the documents service manual etc concerning to this product When carrying out the test operation do not block the inta...

Page 7: ...Y After first release of this manual the parts and mechanism may be subject to change for improvement of their performance and the manual may be revised Be sure to always keep this manual up to date Revision Date Page of change Detail of change A 2020 1 21 all First Release ...

Page 8: ...ock connectors for FFC FPC 67 3 2 Flowchart 70 3 2 1 Standard operation time 70 3 3 Disassembly and Assembly 73 3 3 1 Air Filter 73 3 3 2 Lamp 74 3 3 3 Front Foot 75 3 3 4 Rear Foot 76 3 3 5 Rear Case 77 3 3 6 Upper Case Assy 80 3 3 6 1 SW Board 84 3 3 6 2 H Key Assy Upper Case 86 3 3 6 3 Shutter 87 3 3 6 4 Upper Case 89 3 3 7 WFD Board 94 3 3 8 P3dash Module 96 3 3 9 RTC Board 97 3 3 10 MA Board ...

Page 9: ... 3 6 2 Preparation 153 3 6 3 Operating Procedure 153 3 6 3 1 Workflow 153 3 6 3 2 Check in advance 154 3 6 3 3 Replacing the Optical Engine 156 3 6 3 4 Replacing the MA Board 158 3 7 G Sensor Calibration 161 3 7 1 Overview 161 3 7 2 Preparation 161 3 7 3 Procedure 161 3 8 LCD Alignment 162 3 8 1 Overview 162 3 8 2 Pixel color shift confirmation method 162 3 8 3 LCD alignment activation method 162 ...

Page 10: ...INTERNAL USE ONLY C H A P T E R 1 PRODUCTDESCRIPTION ...

Page 11: ...hen the projector cannot be parallel to the screen Except EB E01 E10 Easy Wireless Projection EB FH52 992F EH TW750 only Screen Mirroring allows a wireless connection between the projector and a mobile device compatible with Miracast Epson iProjection Windows Mac to project up to four images at the same time by splitting the projected screen You can project images from computers on the network or ...

Page 12: ...tive resolution XGA XGA WXGA XGA XGA WXGA WXGA Aspect ratio 4 3 4 3 16 10 4 3 4 3 16 10 16 10 Projection Lens Focus Type Manual Zoom Type Digital Manual Manual Digital Manual Manual Manual Ratio 1 1 35 1 1 2 1 1 2 1 1 35 1 1 2 1 1 2 1 1 2 Lamp Type UHE Power consumption 210W Life Normal 6 000 hours Eco 12 000 hours Brightn ess Normal mode Color mode Dynamic Zoom Wide 3 300lm 3 600lm 3 700lm 3 600l...

Page 13: ... humidity Operating Altitude Normal 0 m to 3 048 m 0 ft to 10000 ft High altitude mode 1500 m 4921 ft or more Start up period Less than 6 seconds Warm up period 30 seconds Cool down period Instant off Power on was possible impossible 100 240 V AC 10 50 60 Hz Power consum ption 100 120V Area JAPAN USA etc Lamp ON Normal 345W ON Eco 235W Standby Network On 2 0W Energy Saving 0 3W 220 240V Area Europ...

Page 14: ...l number 786 432 pixels 1024 x 768 x 3 786 432 pixels 1024 x 768 x 3 1 024 000 pixels 1280 x 800 x 3 786 432 pixels 1024 x 768 x 3 1 024 000 pixels 1280 x 800 x 3 786 432 pixels 1024 x 768 x 3 1 024 000 pixels 1280 x 800 x 3 Native resolution XGA XGA WXGA XGA WXGA XGA WXGA Aspect ratio 4 3 4 3 16 10 4 3 16 10 4 3 16 10 Projection Lens Focus Type Manual Zoom Type Digital Manual Manual Manual Manual...

Page 15: ...AN RJ45 1 1 1 1 1 1 Wireless LAN USB TypeA ELPAP11 1 1 Optional Optional Optional 1 I O Wireless connection Screen Mirroring Operating Temperature Temperature 5 C to 40 C 41 F to 104 F Elevation 0 to 2 286 m 5 C to 35 C 41 F to 95 F Elevation 2 287 m or more Humidity 20 80 humidity Operating Altitude Normal 0 m to 3 048 m 0 ft to 10000 ft High altitude mode 1500 m 4921 ft or more Start up period L...

Page 16: ...z 3 5A 1 6A Size Excluding feet Unit mm 302 W x 87 H x 249 D 302 W x 87 H x 249 D 302 W x 87 H x 249 D 309 W x 90 H x 282 D 309 W x 90 H x 282 D 302 W x 87 H x 249 D 302 W x 87 H x 249 D Maximum Dimension 302 W x 92 H x 249 D 302 W x 92 H x 249 D 302 W x 92 H x 249 D 309 W x 105 H x 293 D 309 W x 105 H x 293 D 302 W x 92 H x 260 D 302 W x 92 H x 260 D Weight Approx 5 95 lbs 2 7 kg Approx 5 95 lbs ...

Page 17: ...mal 6 000 hours 5 500 hours 6 500 hours 6 000 hours 6 000 hours Medium 10 000 hours Eco 12 000 hours 12 000 hours 17 000 hours 12 000 hours 12 000 hours Brightn ess Normal mode Color mode Dynamic Zoom Wide 3 500lm 4 000lm 4 000lm 3 300lm 3 400lm Medium mode 3 400lm Eco mode 2 300lm 2 400lm 2 400lm 2 200lm 2 200lm Sound output Monaural 2W x 1 Monaural 16W x 1 Monaural 16W x 1 Monaural 2W x 1 Monaur...

Page 18: ...1 1 Operating Temperature Temperature 5 C to 40 C 41 F to 104 F Elevation 0 to 2 286 m 5 C to 35 C 41 F to 95 F Elevation 2 287 m or more Humidity 20 80 humidity Operating Altitude Normal 0 m to 3 048 m 0 ft to 10000 ft High altitude mode 1500 m 4921 ft or more Start up period Less than 6 seconds Warm up period 30 seconds Cool down period Instant off Power on was possible impossible 100 240 V AC 1...

Page 19: ... 3W Rated Voltage Current Except Japan 100 240 V AC 50 60 Hz 3 5A 1 6A Size Excluding feet Unit mm 302 W x 87 H x 249 D 309 W x 90 H x 282 D 309 W x 90 H x 282 D 302 W x 87 H x 249 D 302 W x 87 H x 249 D Maximum Dimension 302 W x 92 H x 252 D 309 W x 105 H x 293 D 309 W x 105 H x 293 D 302 W x 92 H x 252 D 302 W x 92 H x 252 D Weight Approx 5 95 lbs 2 7 kg Approx 6 83 lbs 3 1 kg Approx 6 83 lbs 3 ...

Page 20: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 20 Revision A 1 3 Dimensions EB EB E01 X06 W06 E10 X51 W51 ...

Page 21: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 21 Revision A EB FH06 E20 X49 W49 118 PL 119W EH TW740 TW750 ...

Page 22: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 22 Revision A EB FH52 972 982W 992F ...

Page 23: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 23 Revision A EB W52 ...

Page 24: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 24 Revision A 1 4 Ceiling Mount EB E01 X06 W06 E10 X51 W51 ELPMB23 ...

Page 25: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 25 Revision A EB E01 X06 W06 E10 X51 W51 ELPMB23 ELPFP13 ELPFP14 ...

Page 26: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 26 Revision A EB FH06 E20 X49 W49 118 PL 119W EH TW740 TW750 ELPMB23 ...

Page 27: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 27 Revision A EB FH06 E20 X49 W49 118 PL 119W EH TW740 TW750 ELPMB23 ELPFP13 ELPFP14 ...

Page 28: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 28 Revision A EB FH52 972 982W 992F ELPMB23 ...

Page 29: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 29 Revision A EB FH52 972 982W 992F ELPMB23 ELPFP13 ELPFP14 ...

Page 30: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 30 Revision A EB W52 ELPMB23 ...

Page 31: ...EB E01 series Product Description INTERNAL USE ONLY SEIKO EPSON 31 Revision A EB W52 ELPMB23 ELPFP13 ELPFP14 ...

Page 32: ...INTERNAL USE ONLY C H A P T E R 2 TROUBLESHOOTING ...

Page 33: ...o data to the projector 1 To check the component video input To control service tools PC cable 1 Video equipment 1 To output audio and video data to the projector 1 To check the HDMI and composite video input Audio and Video cables HDMI Composite USB and each audio 1 each Multi tester 1 To measure resistance values and voltages AC DC Double sided tape q s 2 To secure parts General tools 1 set Tool...

Page 34: ...heck the error name 4 1 1 How To Display the AS After Service Menu p171 No Yes To the next page Yes Troubleshoot referring to 2 4 Troubleshooting from the Device Names p37 Does the LED Indicator flash or turn on Has any error occurred Check the error name 4 1 2 3 Confirmation method using a USB memory p188 2 5 3 Troubleshooting without Error Indications p47 Troubleshoot according to Troubleshootin...

Page 35: ... Troubleshooting without Error Indications Troubleshoot referring to 2 5 3 Troubleshooting without Error Indications p47 No Yes Troubleshoot referring to 2 5 4 Troubleshooting on image abnormality p51 From the previous page No Yes Are there any errors listed in 2 5 4 Troubleshooting on Image Abnormality Finish ...

Page 36: ...thly Does Zoom Ring work smoothly Any dirt scratches on the projection lens Lower Case Any damage deformation cracking due to external forces Any foreign object dirt on it Foot Does Front Foot work smoothly to adjust height Does Rear Foot work smoothly to adjust height Any Foot Rubber detached AC Inlet Any deformation discoloration on the connector terminals Any damage on the socket Interface Conn...

Page 37: ...replaced in shorter ways than the ordinary disassembling procedures COOLING SYSTEM COMPONENTS FAN P 58 COOLING SYSTEM SWITCH COMPONENTS SENSOR P 59 To display the device names see o Error Name Warning Name Device ID Source Name List p179 Error Name Error Code Device Code CN Part Name Device Name IPS tool Name used in the manual SPI Parts Name Fan FN P 40 LV1 LV1 Fan CN1602 INT Fan FAN SR7039 THT H...

Page 38: ...de CN Part Name Device Name IPS tool Name used in the manual SPI Parts Name Thermistor SE P 40 PS 1 PS TH PS Ballast Assy PS BALLAST UNIT ASSY H838 EP PH2 5 PB BA TH PFC 1 PFC TH Error Name Error Code Device Code CN Part Name Device Name IPS tool Name used in the manual SPI Parts Name Thermistor SE P 40 LV LV TH MA Board MA Board Assy H9 PH AS ...

Page 39: ...2 Status indicator 3 Wireless LAN indicator 4 Lamp indicator 5 Temp indicator LED Status Corresponding error name Remedy Reference Power Status Lamp Temp Wireless LAN I2C I2C H W Error DR DR Status H W Error RAM RAM H W Error ROM ROM H W Error IV Inner Error Video sub processor error Disconnect the AC cable once and reconnect it and turn the power back on P 45 If the same error occurs after trying...

Page 40: ... the same error occurs when turning the power back on after trying the remedy above check the error name and carry out the remedy referring to the reference on the right column LED Status Corresponding error name Remedy Reference Power Status Lamp Temp Wireless LAN Temp High Temp Error 1 Check the Air Filter s condition dirt accumulation clogging When clogging or similar is found clean replace the...

Page 41: ... column P 45 Ballast Power Supply Ballast Error LED Status Corresponding error name Remedy Reference Power Status Lamp Temp Wireless LAN Cover Open Lamp Cover open Error Lamp Lamp Error Lamp On Lamp Lit Error Lamp Off Lamp Failure Check if the Lamp Cover is installed correctly If not reinstall the Lamp Cover correctly P 43 Check if the Lamp is installed correctly If not reinstall the Lamp Cover co...

Page 42: ...dirt accumulation clogging If clogging is found clean or replace the Air Filter If the projector has been used at a place where is 1500 meters or higher above sea level If the High altitude mode is ON set it to OFF After trying above remedies If the same error occurs after turning the power back on check the error name and carry out the remedy referring to the references on the right column LED St...

Page 43: ...S To display the error names see o Error Name Warning Name Device ID Source Name List p179 Error name Description Faulty part part name Cause Remedy Reference Lamp Lamp Burnt Out Error Lamp Lamp is broken Replace Lamp P 74 Air Filter Air Filter is clogging Clean Air Filter Replace it if not improved P 73 Lamp Switch Lamp Switch is broken Replace Lamp Switch P 86 PS Ballast Assy PS Ballast Assy is ...

Page 44: ...ked by foreign bodies Clean the vent to remove the foreign material Replace the parts with deformed vent P 89 P 136 Installation Not installed correctly Improve the installation status Place it away from the wall or obstacles Environment of usage Intake or exhaust opening is blocked by something Remove the obstacle from the opening area MA Board Elements for temperature control on MA Board are bro...

Page 45: ...A Board P 100 Inner Internal error ROM Flash ROM is broken The number of data rewrite times has exceeded its limit MA Board is broken I2C Internal error I2C Input AC power supply Instability of the input AC Power Supply caused by an external factor If not appropriate request the customer to improve the usage environment Refer to Safety precautions in the projector s User s Guide Environment Temper...

Page 46: ...pply Ballast Error PS Ballast Assy BA Unit is broken Replace PS Ballast Assy P 122 PS Cable TH Cable is not connected properly Connect TH Cable correctly to MA Board P 53 TH Cable is broken Replace the broken TH Cable P 122 Error name Description Faulty part part name Cause Remedy Reference ...

Page 47: ...en Replace MA Board P 100 Error Status Faulty part part name Cause Remedy Reference No image is projected Lamp lights Input video signal The selected input video cable is not connected correctly Connect the selected input video cable correctly MA Board Video Input terminal is broken Replace MA Board P 100 Focus cannot be adjusted FOCUS RING FOCUS RING is broken Replace FOCUS RING P 116 Projection ...

Page 48: ...lace Optical Engine P 113 Error Status Faulty part part name Cause Remedy Reference Sound does not come out Audio Input cables TH Cable is not connected properly Connect the audio input cable correctly TH Cable is broken Replace the broken audio input cable Speaker TH Cable is not connected properly Connect TH Cable correctly to MA Board P 53 TH Cable is broken Replace Speaker P 105 P 121 Speaker ...

Page 49: ...ove the related circuit on IF Board is broken so replace IF Board P 106 Projector cannot be operated from the control panel Control panel cable FFC TH Cable is not connected properly Connect TH Cable correctly to MA Board P 84 TH Cable is broken Replace the broken TH Cable SW Buttons SW Buttons are broken Replace the SW Buttons SW Board SW Board is broken Replace the SW Board MA Board Elements for...

Page 50: ...or parts with new ones P 122 PS Ballast Assy Burn on circuit board from heat Replace PS Ballast Assy P 122 Abnormal noises PS Ballast Assy Pulse transformer vibrates abnormally Replace PS Ballast Assy P 122 BA Unit vibrates abnormally Fan Foreign material sticks on a fan Clean the foreign material off of the fan P 37 Fan is contacting other parts Check if one of the fans contacts with other parts ...

Page 51: ...N COLOR NON UNIFORMITY Phenomenon Cause Remedy Reference The projected image became darker Some optical parts might mist for some reasons Clean the parts with a cotton swab or the like moistened with ethanol Optical Engine Repair Service Manual Phenomenon Cause Remedy Reference Color non uniformity can be seen partially in the projected image Some optical parts may become deteriorated Some optical...

Page 52: ... may be displaced due to some shock or the like Re assemble the defective parts If the phenomenon not improved replace the part with a new one If still not improved replace the Optical Engine Optical Engine Repair Service Manual Phenomenon Cause Remedy Reference Some abnormality can be seen in the projected image Some optical parts may be detached Re assemble the defective parts If the phenomenon ...

Page 53: ...oblem has occurred refer to the following table and check the doubted connectors are securely connected If there is a disconnection or a loose connection connect it correctly CN1405 RTC Board CN501 WFD Board 2 CN3000 PS Ballast Assy CN8900 B L V CN8800 G L V CN8700 R L V CN1603 EX Fan CN1604 Lamp Fan CN701 700 702 Speaker CN2200 Auto Iris Assy CN1400 SW Board CN1600 AIR TH CN1403 F IR CN1602 LV FA...

Page 54: ...Board LMP TH CN1600 CN1400 CN1405 CN1403 CN1602 CN501 CN3000 CN8800 CN701 CN702 CN8700 CN8900 CN2200 CN1603 CN500 CN1601 CN1604 IF Board Speaker 5W EX Fan WFD Board PS Ballast Assy WFD Board P4Combo Optical Engine CN700 Speaker 16W Lamp Fan Auto Iris Front IR LV Fan Indicates connector on the back side Speakers and connectors dif fer according to model ...

Page 55: ...n turn on and after the status LED blinks in blue temperature LED blinks in orange When pressing the power button initialization starts normally but sensor error occurs while initializing Then LEDs indicate the error and then the projector turns into the abnormal stand by status P 37 CN1603 EX FAN Fan EX CN1604 LMP FAN Fan LMP CN500 1 WFD Module WFD WFD error The power can turn on and Power LED li...

Page 56: ...to turn off the power and to contact the Epson Service When pressing the power button the LEDs indicate the warning and after a certain period of cooling the projector turns into the abnormal stand by status The LED Indicator s warning display continues until unplugging the AC cable P 60 CN700 3 Speaker 2W When pressing the power button initialization starts normally and the projection starts Howe...

Page 57: ...ror P 62 CN2 H Key ASSY Operates normally after the power turns on but the lateral strain of the projected image cannot be corrected P 62 CN3 Lens Cover SW SH Shutter error The power can turn on and Power LED lights blue When pressing the power button initialization starts normally and the projection starts But the lamp does not turn off even when the shutter is closed and the AV mute does not fun...

Page 58: ...EB E01 series Troubleshooting INTERNAL USE ONLY SEIKO EPSON 58 Revision A 2 6 Parts Layout Diagrams COOLING SYSTEM COMPONENTS FAN Lamp Fan P 120 INT Fan P 132 EX Fan P 119 ...

Page 59: ...TERNAL USE ONLY SEIKO EPSON 59 Revision A COOLING SYSTEM SWITCH COMPONENTS SENSOR LMP Thermistor TH Board P 119 Air Thermistor TH Board P 132 Lens Shutter Output Switch Switch Cable H721 A P 87 Lamp Output Switch Lid Lamp Switch P 86 ...

Page 60: ...EB E01 series Troubleshooting INTERNAL USE ONLY SEIKO EPSON 60 Revision A OPTICAL PARTS Auto Iris Assy P 115 Optical Engine Assy P 113 Lamp Assy P 74 ...

Page 61: ...EB E01 series Troubleshooting INTERNAL USE ONLY SEIKO EPSON 61 Revision A POWER SUPPLY PS Ballast Assy P 122 Filter Board P 135 ...

Page 62: ...NLY SEIKO EPSON 62 Revision A CIRCUIT BOARDS Speaker P 105 P 121 MA Board P 100 Control Panel P 84 IF Board P 106 P3dash Module P 96 WFD Board P 94 IR Board P 131 P 136 P4combo Module P 128 RTC Board P 97 H KEY ASSY P 86 RTC Board EH TW750 P 112 ...

Page 63: ...INTERNAL USE ONLY C H A P T E R 3 DISASSEMBLYANDASSEMBLY ...

Page 64: ...ent magnet therefore make sure to keep it away from any storage media such as floppy disks or magnetic cards Be careful not to drop a metal part such as a screw a washer or a clip into the inside of the product If such cases should occur accidentally never turn on the power supply until all the dropped parts are found and removed When carrying out any of the following operations check that there i...

Page 65: ...placing the circuit component such as a board or the optical engine be sure to contact the anti static case containing the new one to the metal part of this product before taking it out Disconnect all the interface cables from the projector Before disassembling the projector make sure to clean dust or dirt on the air filter the interface section and outer cases using a vacuum cleaner or the like W...

Page 66: ...eaning away dust Lens cleaner nonwoven cloth q s 1 Cleaning the projection lens Lubricant 2 q s 1 Lubricating the shutter and its frame Projection screen 1 To project images on Genuine power cable 1 Genuine remote controller 1 Insulation ohmmeter for insulation resistance test 1 Rating 500 V 100 MW Multi meter 1 Ground continuity check Air compressor or hand blower 1 To remove dusts from optical p...

Page 67: ...ors for FFC FPC Type Locked Unlocked How to unlock connectors Slide open type upward 1 Slide the lock black upward to the FFC to unlock it Slide open type upward 2 Slide the lock light brown upward to the FFC to unlock it Slide open type toward FFC Slide the lock ivory toward the FFC to unlock it Lock Lock Lock ...

Page 68: ...ide FPC Flip up the lock ivory on the connector opposite to the FPC to unlock it CAUTION DO NOT mistake the black part of the connector for the lock because it looks like a lock Flipping up the black part will damage the connector Push open type Press and hold the metal plate with a PUSH inscription and disconnect the FFC Type Locked Unlocked How to unlock connectors Lock Lock Lock P U S H ...

Page 69: ...y INTERNAL USE ONLY SEIKO EPSON 69 Revision A Flip open type FPC Flip up the lock black of the FFC to unlock it Slide open type toward FFC Slide the lock black to the FFC to unlock it Type Locked Unlocked How to unlock connectors Lock Lock ...

Page 70: ...erations Basis for the standard operation time A service employee would have sufficient knowledge for the target product s structure and be able to disassemble reassemble the product without any reference to guide books Each operation time is the total time of disassembling reassembling the target part following the given shortest procedure and reassembling it The part names in this chapter are wr...

Page 71: ... MA Board Assy p100 Fastest way Fastest way flowchart for 3 4 Shortest removal procedures of identified failed parts p137 Typical Disassembly Flowchart 3 3 1 Air Filter p73 3 3 8 P3dash Module p96 3 3 7 WFD Board p94 3 3 5 Rear Case p77 3 3 10 1 Speaker 16W p105 3 4 4 EX Fan p140 Fastest way 3 3 6 2 H Key Assy Upper Case p86 3 3 6 1 SW Board p84 3 3 4 Rear Foot p76 3 3 6 4 Upper Case p89 3 3 8 P3d...

Page 72: ...y p118 3 3 13 Lamp Fan Assy p120 3 3 17 Filter Boards p135 3 3 18 Lower Case IR Board p136 3 3 11 1 Auto Iris Assy p115 3 3 11 2 Focus Ring Zoom Ring p116 3 3 13 1 Lamp Fan Speaker 5W p121 3 3 14 PS Ballast Assy p122 3 3 12 1 EX Fan TH Board p119 3 3 16 2 INT Fan TH Board p132 3 3 10 2 IF Board p106 B 3 3 12 EX Duct Assy p118 3 3 13 Lamp Fan Assy p120 3 3 16 INT Duct Assy p129 3 3 16 1 IR Board p1...

Page 73: ...ions See 3 9 Part Names List p166 for the names of the after service parts in the SPI Service Parts Information EB E20 X49 W49 972 982W 992F 118 PL 119W If the Air Filter Cover Band is removed from the Air Filter Cover the end of the band will be deformed and the fixing force will be reduced When reassembling be sure to replace the Air Filter Cover Band with a new one Air Filter Assy Air Filter Co...

Page 74: ...bly and Assembly INTERNAL USE ONLY SEIKO EPSON 74 Revision A 3 3 2 Lamp DISASSEMBLY PROCEDURE 1 Loosen the screw and remove the Lamp Cover 2 Loosen the two screws and remove the Lamp Assy Lamp Assy SCREW LAMP 3X6 Lamp Cover ...

Page 75: ... INTERNAL USE ONLY SEIKO EPSON 75 Revision A 3 3 3 Front Foot DISASSEMBLY PROCEDURE 1 Insert a flat head precision screwdriver or tweezers into the grooves on both sides to release the hook 2 Pull out the Front Foot to remove it Front Foot ...

Page 76: ...ounterclockwise fully 2 Slowly turn the Rear Foot until it clicks and pull it off 3 Remove the Foot Rubber from the Rear Foot Be sure to align the mark on the bottom as shown in below and pull it off where it clicks To align the groove on the LOWER CASE to prevent two hooks of the screws from damaging Back side Back side Foot Rubber Rear Foot ...

Page 77: ...5 Rear Case DISASSEMBLY PROCEDURE EB E01 X06 W06 E10 X51 W51 1 Remove the four screws the three screws or the one screw and remove the Rear Case 2 Remove the RCR Filter from the Rear Case Screws Rear Case C B SCREW 3X8 F NI C B SCREW 3X6 F ZB 3C C B P TITE SCREW 2 5X10 F ZN 3C RCR Filter ...

Page 78: ...8 PL 119W EH TW740 TW750 1 Remove the four screws the six screws or the one screw and remove the Rear Case 2 Remove the IF Label from the Rear Case Screws Be careful at the time of assembly as the two clasps of the Rear Case may break Rear Case IF Label C B SCREW 3X8 F NI C B SCREW 3X6 F ZB 3C C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 79: ...A EB W52 1 Remove the five screws and the two screws and remove the Rear Case 2 Remove the RCR Filter from the Rear Case Screws Be careful at the time of assembly as the two clasps of the Rear Case may break Rear Case RCR Filter C B SCREW 3X6 F ZB 3C C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 80: ... Upper Case Assy DISASSEMBLY PROCEDURE EB E01 X06 W06 FH06 E10 X51 W51 W52 E20 X49 W49 118 PL 119W EH TW740 TW750 1 See Flowchart p70 and remove all parts up to the component below from the projector Rear Case p77 2 Remove the six screws on the bottom Screws C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 81: ... EB 118 and PL 119W have the screws 4 Remove the FFC and then remove the Upper Case Assy See How to unlock connectors for FFC FPC p67 Be careful as the FFC SW Cable is connected to the switch board on the INT Duct side of the main unit Screws Upper Case Assy SW Cable C P S P1 SCREW 2 5X6 F ZN 3C C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 82: ...TERNAL USE ONLY SEIKO EPSON 82 Revision A EB FH52 972 982W 992F 1 See Flowchart p70 and remove all parts up to the component below from the projector Rear Case p77 2 Remove the seven screws on the bottom Screws C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 83: ...s from the top 4 Remove the FFC and then remove the Upper Case Assy See How to unlock connectors for FFC FPC p67 Be careful as the FFC SW Cable is connected to the switch board on the INT Duct side of the main unit Screws Upper Case Assy SW Cable C P S P1 SCREW 2 5X6 F ZN 3C C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 84: ...the projector Upper Case Assy p80 2 Remove the five screws and remove the SW Board 3 Remove the connector of the connected cable 4 Remove the following parts SW Cable See How to unlock connectors for FFC FPC p67 LED Lens SW Button Power Button When attaching the SW Board fasten the screws in the order shown below SW Board SW Cable LED Lens SW Button Power Button C C P TITE SCREW 2X6 5 F ZB 3C ...

Page 85: ...NAL USE ONLY SEIKO EPSON 85 Revision A Fold the SW Cable as shown in this figure 50 5 50 5 Route the cable connected to the SW Board as shown in this figure EB FH52 972 982W 992F EB X06 W06 FH06 X51 W51 W52 E20 X49 W49 118 PL 119W EH TW740 TW750 ...

Page 86: ...two screws and remove the H Key Assy This procedure is not applicable to EB E01 E10 3 Remove the two screws and remove the Upper Case Cover 4 Remove the screw and remove the Lid Lamp Switch 5 Remove the following parts Nut Plate M3 x1 2 pcs Route the Lid Lamp Switch cable as shown in the figure Lid Lamp Switch Nut Plate M3 H Key Assy Upper Case Nut Plate M3 EB E01 X06 W06 E10 X51 W51 C P F TYPE1 P...

Page 87: ...0 2 Remove the two screws and remove the Shutter Assy The following procedure does not apply to EB E01 E10 3 Remove the screw and remove the Switch Cable H721 A 4 Remove the following parts Shutter frame Shutter ball Shutter Spring Lens Shutter Shutter Lens Sheet Shutter frame Lens Shutter Switch Cable H721 A Shutter Spring Shutter ball Shutter Lens Sheet C P F TYPE1 P TITE SCREW 1 6X8 F ZN 3C C B...

Page 88: ...ries Disassembly and Assembly INTERNAL USE ONLY SEIKO EPSON 88 Revision A Routethe Switch CableH721 A as showninthefigure EB FH52 972 982W 992F EB X06 W06 FH06 X51 W51 W52 E20 X49 W49 118 PL 119W EH TW740 TW750 ...

Page 89: ...the two screws and remove the EX Case 2 Remove the following parts from the Upper Case Upper Cushion A x2 pcs Upper Cushion B x2 pcs B EB X51 W51 1 Remove the three screws and remove the Front Case and the EX Case 2 Remove the following parts from the Upper Case Upper Cushion A x2 pcs Upper Cushion B x2 pcs EX Case Upper Case Upper Cushion A Upper Cushion B Front Case Upper Case EX Case Upper Cush...

Page 90: ...ve the EX Case and the Upper Case Inner 2 Remove the following parts from the Upper Case Upper Cushion A x2 pcs Upper Cushion B x2 pcs Sheet Upper A x2 pcs Sheet Upper H854 Sheet Lid Lamp EX Case Upper Case Upper Case Inner Upper Cushion A Upper Cushion B Sheet Lid Lamp Sheet Upper A Sheet Upper H854 C B P TITE SCREW 2 5X8 F ZN 3C ...

Page 91: ...e the Front Case and the Upper Case Inner 2 Remove the following parts from the Upper Case Upper Cushion A x2 pcs Upper Cushion B x2 pcs Sheet Upper A x2 pcs Sheet Upper H854 Sheet Lid Lamp EX Case Front Case Upper Cushion A Upper Cushion B Upper Case Upper Case Inner Sheet Lid Lamp Sheet Upper A Sheet Upper H854 C B P TITE SCREW 2 5X8 F ZN 3C ...

Page 92: ...following parts from the Upper Case Upper Cushion A x2 pcs Upper Cushion B x2 pcs F EH TW750 1 Remove the three screws and remove the EX Case and the Front Case 2 Remove the following parts from the Upper Case Upper Cushion A H722 Upper Cushion B x2 pcs EX Case EX Case Upper Case Front Case Upper Cushion A Upper Cushion B Upper Cushion A H722 Upper Cushion B Upper Case Front Case C B P TITE SCREW ...

Page 93: ... 93 Revision A Replacing the Caution Label Sheet The Upper Case of ASP does not have Safety Device labels as shown below When replacing the Upper Case peel off the labels and stick them to the new Upper Case Caution Label Part A Caution Label Part B Caution Label Part C ...

Page 94: ...30P and the FFC WFD MA from the connector See How to unlock connectors for FFC FPC p67 3 Remove the M CUSHION H1W10L17 and the M CUSHION H1W4L19 4 Remove the four screws and remove the WFD Board and the WFD Shield Plate 5 Remove the following parts M CUSHION H1W3L29 M CUSHION H1W3L39 M CUSHION H1W3L54 M CUSHION H1W4L19 M CUSHION H1W3L54 WFD Board M CUSHION H1W10L17 M CUSHION H1W3L29 WFD Shield Pla...

Page 95: ...USE ONLY SEIKO EPSON 95 Revision A Fold the FFC 30P as shown in this figure Fold the FFC WFD MA as shown in this figure Affix each M CUSHION to the positions shown in the figure M CUSHION H1W4L19 M CUSHION H1W3L39 M CUSHION H1W3L29 M CUSHION H1W3L54 ...

Page 96: ...d remove all parts up to the component below from the projector Upper Case Assy p80 2 Remove the FFC WFD WRF from the connectors on both ends See How to unlock connectors for FFC FPC p67 3 Remove the three screws and remove the P3dash Module and the WRF Holder Fold the FFC WFD WRF as shown in this figure WRF Holder P3dash Module FFC WFD WRF C P S P1 SCREW 2 5X6 F ZN 3C ...

Page 97: ... Board for repair be sure to execute the following The information such as the time of first boot and the time of lamp replacement for this machine is recorded in the memory on the MA Board The user may need this information for the purpose of operation and management of this machine therefore when the RTC Board or the MA Board ASSY needs to be replaced check whether this information is readable I...

Page 98: ...ojector is being used Alert window for time setting at the time of initial startup by the user 1 Switch ON the power to start the projector 2 AS menu is displayed 4 1 1 1 How to enter the AS menu p171 3 While the AS menu is displayed long press the Source Search button and Right button on the Control Panel simultaneously for five seconds or more 4 Restart the projector by switching off the power o...

Page 99: ...board with both hands in a flat position and insert the Lithium Battery in the direction of the arrow by maintaining the correct angle of insertion 3 Check that the Lithium Battery is secured by the locking tabs as shown in the following photo Used Lithium Battery should be treated or disposed of in the prescribed manner Ensure that the Lithium Battery is inserted by maintaining the correct angle ...

Page 100: ...SY connect the FPCs before attaching the MA Board ASSY and make sure to lock to fix them MA Board Board to board Air TH RTC Board SW Board LMP TH CN1600 CN1400 CN1405 CN1403 CN1602 CN501 CN3000 CN8800 CN701 CN702 CN8700 CN8900 CN2200 CN1603 CN500 CN1601 CN1604 IF Board Speaker 5W EX Fan WFD Board PS Ballast Assy WFD Board P4Combo Optical Engine CN700 Speaker 16W Lamp Fan Auto Iris Front IR LV Fan ...

Page 101: ...X06 W06 E10 X51 W51 W52 1 See Flowchart p70 and remove all parts up to the component below from the projector Upper Case Assy p80 2 Disconnect the connectors from the MA Board Assy 3 Remove the six screws and remove the MA Board Assy Screws MA Board Assy C P S P1 SCREW 2 5X6 F ZN 3C C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 102: ...t below from the projector EB 972 982W 118 PL 119W Upper Case Assy p80 EB FH52 992F WFD Board p94 2 Disconnect the connectors from the MA Board Assy 3 Remove the five six screws and remove the MA Board Assy Screws EB FH52 99F only This screw has been removed MA Board Assy C P S P1 SCREW 2 5X6 F ZN 3C C B P TITE SCREW 2 5X10 F ZN 3C EB FH52 99F only This screw has been removed ...

Page 103: ...m the projector EB E20 X49 W49 FH06 EH TW740 Upper Case Assy p80 EH TW750 WFD Board p94 2 Disconnect the connectors from the MA Board Assy 3 Remove the five six screws and remove the GND Cable and the MA Board Assy Screws EH TW750 only This screw has been removed MA Board Assy GND Cable C P S P1 SCREW 2 5X6 F ZN 3C C B P TITE SCREW 2 5X10 F ZN 3C EH TW750 only This screw has been removed ...

Page 104: ...nectors as shown in this figure Wind the TH Cable and RCF Cable once around the cable of the INT Fan Do not twist the cables They may gather over the board Do not route the cables over the screw hole Wind the TH Cable once around the cable of the EX Fan For models with WFD Board Route the outer section of the FFC ...

Page 105: ...vision A 3 3 10 1 Speaker 16W DISASSEMBLY PROCEDURE EB FH52 972 982W 992F 118 PL 119W 1 See Flowchart p70 and remove all parts up to the component below from the projector MA Board Assy p100 2 Remove the four screws and remove the Speaker 16W Speaker 16W C C SCREW 3X6 F ZN 3C ...

Page 106: ...ard Assy p100 2 Remove the two screws and remove the Conduction Plate 3RCA from the MA Frame 3 Remove the one screw the three screws the two screws and remove the MA Frame from the MA Board Assy 4 Remove the two screws and remove the IF Board from the MA Board Assy MA Board Assy IF Board MA Frame Conduction Plate 3RCA C B SCREW 3X6 F NI C P S P1 SCREW 2 5X6 F ZN 3C 1 4 40X1 4 H H F NI O SCREW C B ...

Page 107: ... 3 Remove the two screws and remove the Conduction Plate 3RCA from the MA Frame 4 Remove the one screw the three screws the two screws and remove the MA Frame from the MA Board Assy 5 Remove the two screws and remove the IF Board from the MA Board Assy MA Frame Conduction Plate 3RCA MA Board Assy IF Board IF Shade Cover C B SCREW 3X6 F NI C P S P1 SCREW 2 5X6 F ZN 3C 1 4 40X1 4 H H F NI O SCREW C ...

Page 108: ...remove all parts up to the component below from the projector MA Board Assy p100 2 Remove the one screw the three screws and remove the MA Frame from the MA Board Assy 3 Remove the two screws and remove the IF Board from the MA Board Assy MA Frame MA Board Assy IF Board C B SCREW 3X6 F NI C P S P1 SCREW 2 5X6 F ZN 3C ...

Page 109: ...move the two screws and remove the Conduction Plate 3RCA from the MA Frame 3 Remove the one screw the two screws the eight screws and remove the MA Frame from the MA Board Assy 4 Remove the two screws and remove the IF Board from the MA Board Assy MA Board Assy IF Board MA Frame Conduction Plate 3RCA C B SCREW 3X6 F NI C P S P1 SCREW 2 5X6 F ZN 3C 1 4 40X1 4 H H F NI O SCREW C B P TITE SCREW 3X8 F...

Page 110: ...e the two screws and remove the Conduction Plate 3RCA from the MA Frame 3 Remove the one screw the three screws the eight screws and remove the MA Frame from the MA Board Assy 4 Remove the two screws and remove the IF Board from the MA Board Assy MA Board Assy IF Board MA Frame Conduction Plate 3RCA C B SCREW 3X6 F NI C P S P1 SCREW 2 5X6 F ZN 3C 1 4 40X1 4 H H F NI O SCREW C B P TITE SCREW 3X8 F ...

Page 111: ...ade Cover 3 Remove the two screws and remove the Conduction Plate 3RCA from the MA Frame 4 Remove the one screw the three screws the eight screws and remove the MA Frame from the MA Board Assy 5 Remove the two screws and remove the IF Board from the MA Board Assy MA Board Assy IF Board MA Frame Conduction Plate 3RCA IF Shade Cover C B SCREW 3X6 F NI C P S P1 SCREW 2 5X6 F ZN 3C 1 4 40X1 4 H H F NI...

Page 112: ...emove the MA Frame and the Fasten Plate MA PS from the MA Board Assy 5 Remove the two screws and remove the IF Board from the MA Board Assy 6 Remove the one screw and remove the RTC Board from the MA Frame 7 Remove the RTC Cable H980 and the Lithium Battery from the RTC Board When replacing the RTC Board or Lithium Battery for repairs refer to RTC Board p 97 for configuration or replacement MA Boa...

Page 113: ...rt p70 and remove all parts up to the component below from the projector MA Board Assy p100 2 Remove the four screws and remove the Optical Engine Assy When attaching the Optical Engine Assy set it to the pin positions properly and tighten the screws in the order shown below Pin positions 1 2 3 4 Optical Engine Assy C B P TITE SCREW 3X15 F ZN 3C ...

Page 114: ...Disassembly and Assembly INTERNAL USE ONLY SEIKO EPSON 114 Revision A Pass the Auto Iris Assy cable through the two hooks When handling the optical engine do not apply force on the Upper Light Guide Upper Light Guide ...

Page 115: ...t below from the projector Optical Engine Assy p113 2 Remove the two screws and remove the Auto Iris Assy Before attaching or removing the Auto Iris Assy move the Auto Iris Blades to the home position by inserting a Phillips screw driver No0 into the holes shown in the figure below Screwdriver insertion positions Home position Auto Iris Blades Auto Iris Assy C B P TITE SCREW 2 5X8 F ZN 3C ...

Page 116: ...ee to five screws and remove the Focus Ring and the Zoom Ring Numbers of screws and types of rings to be removed depend on the model See the figures The shape of the FOCUS RING of EH TW740 differs for EB E01 E10 E20 Check the engraved seal before attaching EB E01 E10 E20 EH TW740 Focus Ring EB E01 E10 E20 EH TW740 EB X06 W06 FH06 X51 W51 X49 W49 W52 118 PL 119W Zoom Ring Focus Ring C P TYPE1 B TIT...

Page 117: ...EB E01 series Disassembly and Assembly INTERNAL USE ONLY SEIKO EPSON 117 Revision A Zoom Ring Focus Ring EH TW750 EB FH52 972 982W 992F Zoom Ring Focus Ring C P TYPE2 B TITE SCREW 1 7X4 F ZB 3C SCREW ...

Page 118: ...ve the Thermostat of the Cable PS FB and then remove the EX Duct Assy At the area shown below an electric shock may result if you operate carelessly because there is electric charge remaining in the Power Supply 3 3 14 PS Ballast Assy p122 Pass the cable through the EX Duct Assy and set the thermostat of the Cable PS FB such that the surface with the letters is visible from top to bottom EX Duct A...

Page 119: ... remove the Upper EX Duct 4 Remove the following parts from the Lower EX Duct EX Plate EX Fan EX Fan Cushion A x2 pcs EX Fan Cushion B Route the cable on the EX Duct as shown in the figure below The cables should not be stranded by the hooks Twist the cables thrice clockwise and route them so that they do not affect this part Let them loose inside the yellow dotted line Do not pull the cables TH B...

Page 120: ...Remove the screw and pull the Lamp Connector out 3 Remove the two screws and remove the Lamp Fan Assy Pass the Lamp Connector through the Lamp Connector Holder and keep it pulled out until attaching After attaching the holder fix it with a screw Route the Lamp Fan cable as shown in the figure below The cable should not be caught in the exhaust duct Lamp Connector Lamp Fan Assy C B P TITE SCREW 2 5...

Page 121: ...Cushion A and the two Lamp Fan Cushion B from the Lamp Fan EB E01 X06 W06 FH06 E10 X51 W51 E20 X49 W49 W52 EH TW740 TW750 4 Remove the two screws and remove the Speaker 5W EB FH06 E20 X49 W49 EH TW740 TW750 5 Remove the GND Cable Lamp Connector Holder Lamp Fan Cushion B Lamp Fan Cushion A Lamp Fan Lamp Connector Holder Lamp Fan Cushion B Lamp Fan Cushion A Lamp Fan Speaker 5W GND Cable EB E01 X06 ...

Page 122: ...After serving follow the procedures specified in the Safety Check after Serving At the area shown below an electric shock may result if you operate carelessly because there is electric charge remaining to reduce power consumption in the Power Supply To repair after turning on extract the charges by the following procedures Press a discharge resistance between the 2pin of T301 and the heat sink for...

Page 123: ...01 series Disassembly and Assembly INTERNAL USE ONLY SEIKO EPSON 123 Revision A Press a discharge resistance between the D6002 and the heat sink for three seconds to discharge Discharge resistor 1kΩ B Type ...

Page 124: ...Remove the Lower Sheet 4 Remove the four screws and remove the PS Ballast Assy while the PS Shield Plate is still attached 5 Remove the following parts from the PS Ballast Assy PS Shield Plate Cable PS MA Cable PS FB Cable BA Lamp Attach the PS Shield Plate so that it covers the PS Ballast Assy as shown in the figure below PS Ballast Assy Lower Sheet PS Shield Plate Cable PS MA Cable PS FB Cable B...

Page 125: ...n Assy p120 2 Remove the three screws and remove the Fasten Nut Plate 3 Remove the Lower Sheet 4 Remove the six screws and remove the PS Shield Plate and the PS Ballast Assy 5 Remove the following parts from the PS Ballast Assy Cable PS MA Cable PS FB Cable BA Lamp PS Ballast Assy Lower Sheet PS Shield Plate Cable PS MA Cable PS FB Cable BA Lamp Fasten Nut Plate C P S P1 SCREW 3X5 F ZN 3C C P O SC...

Page 126: ...EB E01 series Disassembly and Assembly INTERNAL USE ONLY SEIKO EPSON 126 Revision A Route the Cable PS MA the Cable PS FB and the Cable BA Lamp as shown below Cable BA Lamp Cable PS FB Cable PS MA Hook ...

Page 127: ...SON 127 Revision A Route the Cable PS FB and the Cable BA Lamp to the Lower Case as shown in the figure and affix the Lower Sheet Attach the Fasten Nut Plate to the position shown in the figure Fixing position of Lower Sheet Cable BA Lamp Cable PS FB Fasten Nut Plate ...

Page 128: ...PROCEDURE EB FH52 992F W52 EH TW750 1 See Flowchart p70 and remove all parts up to the component below from the projector INT Duct Assy p129 2 Remove the two screws and remove the P4combo Module and the FFC 15P Fold the FFC 15P as shown in this figure INT Duct Assy P4combo Module FFC 15P C C P TITE SCREW 2X6 5 F ZB 3C ...

Page 129: ...art p70 and remove all parts up to the component below from the projector Optical Engine Assy p113 2 Remove the five screws and remove the INT Duct Assy 3 Remove the following parts from the INT Duct Assy Lower Conduction Plate Conduction Cushion Screws Conduction Cushion INT Duct Assy Lower Conduction Plate C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 130: ...IKO EPSON 130 Revision A Attach the ferrite core of the Inlet Cable as shown in the figure below Pass the cables from the connector through the hook EB FH52 972 982W 992F Route the RCF Cable connected to the IR Board on the INT Duct as shown in the figure below ...

Page 131: ...9W EH TW740 TW750 1 See Flowchart p70 and remove all parts up to the component below from the projector INT Duct Assy p129 2 Remove the screw and remove the IR Board and the RCF Cable Route the RCF Cable connected to the IR Board on the INT Duct as shown in the figure below After routing the cable wind the fan cable INT Duct Assy IR Board RCF Cable C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 132: ...oard and the TH Cable H309 3 Remove the INT Duct B 4 Remove the following parts from the INT Duct B INT Duct Cushion Seal C INT Duct Cushion Seal D x2 pcs 5 Remove the two screws and remove the INT Fan 6 Remove the following parts from the INT Fan INT Duct Cushion Seal C Cable Fasten Tape x3 pcs INT Duct Cushion Seal D TH Board TH Cable H309 INT Duct Cushion Seal C Cable Fasten Tape INT Duct B INT...

Page 133: ... from the projector PS Ballast Assy p122 2 Remove the screw and remove the TH Board and the TH Cable H550 3 Remove the INT Duct B 4 Remove the two screws and remove the INT Fan 5 Remove the following parts from the INT Fan INT Duct Cushion Seal C Cable Fasten Tape x3 pcs TH Board TH Cable H550 Cable Fasten Tape INT Duct B INT Duct A INT Fan INT Duct Cushion Seal C C B P TITESCREW 3X15 F ZN 3C C B ...

Page 134: ... shown below EB FH52 972 982W 992F EB E01 X06 W06 FH06 E10 X51 W51 W52 E20 X49 W49 118 PL 119W EH TW740 TW750 Wind the fan cable from the outside Route the cable of the TH Board as shown in the figure below EB FH52 972 982W 992F EB E01 X06 W06 FH06 E10 X51 W51 W52 E20 X49 W49 118 PL 119W EH TW740 TW750 ...

Page 135: ...W06 E10 X51 W51 W52 3 Remove the screw and remove the Inlet Cable 4 Remove the screw release the hook and remove the Filter Board and the FB Insulation Sheet This part is designated as the Safety Device When removing replacing the part for repair be sure to refer to 3 5 1 Safety Check after Servicing p142 After serving follow the procedures specified in the Safety Check after Serving Inlet Fasten ...

Page 136: ...rts EB FH52 972 982W 992F PS Holder IR Board RCF Cable 3 Remove the following parts from the Lower Case Lower Shield Plate A Lower Shield Plate B RC Filter 6N A 4 B NI x2 pcs H N 3 3 F ZN 3C EB FH52 972 982W 992F only Lower Cushion Seal Lower Cushion Be careful while routing as the parts shown in the figure are easily breakable IR Board RCF Cable Lower Shield Plate A Lower Shield Plate B RC Filter...

Page 137: ...5W EB E01 X06 W06 FH06 E10 X51 W51 W52 E20 X49 W49 EH TW740 TW750 Speaker 16W EB FH52 972 982W 992F 118 PL 119W DISASSEMBLY PROCEDURE 1 See Flowchart p70 and remove all parts up to the component below from the projector Upper Case Assy p80 2 Remove the two screws and remove the Speaker 5W EB E01 X06 W06 FH06 E10 X51 W51 W52 E20 X49 W49 EH TW740 TW750 3 Remove the four screws and remove the Speaker...

Page 138: ...d EB FH52 972 982W 992F DISASSEMBLY PROCEDURE 1 See Flowchart p70 and remove all parts up to the component below from the projector Upper Case Assy p80 2 Remove the connector of the cable from the IR Board 3 Remove the screw and remove the PS Holder and the IR Board PS Holder IR Board C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 139: ...mistor PART NAME TH Board DISASSEMBLY PROCEDURE 1 See Flowchart p70 and remove all parts up to the component below from the projector Upper Case Assy p80 2 Remove the connector of the TH Cable H838 from the TH Board 3 Remove the screw and remove the TH Board TH Board C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 140: ...A 3 4 4 EX Fan PART NAME EX Fan DISASSEMBLY PROCEDURE 1 See Flowchart p70 and remove all parts up to the component below from the projector MA Board Assy p100 2 Remove the two screws and remove the Upper EX Duct 3 Remove the EX Fan EX Fan Upper EX Duct C B P TITE SCREW 2 5X10 F ZN 3C ...

Page 141: ...epairing part in the left column on the table operate the work marked with o The work indicated on the table is the basic items Put necessary work into effect additionally according to the situation of the repaired product Repairing part Operation and Safety Check Safety Check Initialization Check Operation Check for Control Panel Operation Check for Remote Controller Operation Check for Video Inp...

Page 142: ...ate of a part that may cause or contain the risk of the following Personal injuries Damages to the property Abnormal heat generation Smoking Fire Explosion Damage to the part to be installed Disturbance to from the peripheral device EMC disturbance Chemical substances regulated by the law THE SAFETY CONTROL POINTS ARE The processes that Safety Devices Functions are manufactured or checked The proc...

Page 143: ... clip of the black lead wire to C of theprojector s Computer terminal 2 Put the probe of the red lead wire to A on the AC inlet of theprojector 3 Set the measure switch to LOCK and wait for one minute 4 Measure the insulation resistance between A and C 1 after one minute 5 Check that the insulation resistance after one minute is 10 MΩ or more 6 Measure the insulation resistance between B and C 2 i...

Page 144: ...ct it to the V Ω Hz terminal Standard Judgment level Should be no resistance 0 5 Ω or less Testing procedure 1 Turn the tester on 2 Check that the resistance between C of the Computer terminal and G of the AC inlet of the projector 1 is 0 5 Ω or less Measure EH TW740 at the position in the figure below 3 5 1 3 Illumination check Test conditions Input a PC or video signal and check the illumination...

Page 145: ...shooting on Operation Abnormality p49 Procedure Check items 1 Connect the power cable Does the Power LED light blue 2 Press the Power button on the projector to turn it on Does the Power LED flash blue then light blue Does the lamp light Procedure Check items 1 Press the Power button on the projector to turn it on 2 Check each button on the control panel if it works properly Does the Power button ...

Page 146: ...d after the lamp lit Is No Signal message displayed on the screen Are focusing available Do the rings smoothly work and focus correctly 7 Connect all the IF cables and display an image 8 Press the Source Search button and select the corresponding source Is the image of the selected input source projected Is image vivid enough 9 Check the A V Mute function by opening closing the Shutter 10 Check th...

Page 147: ... 5 8 Internal Cable Connection Check When replacing removing repairing the MA Board make sure to confirm all the cables are connected correctly referring to 2 5 5 Cable connection on the MA Board and error symptoms p53 Procedure Check items 1 See User s Guide Do images and sound outputted from the projector Before starting the check be sure to turn OFF the power switch and pull out the power cable...

Page 148: ...oard IPS Tool 3 5 10 Service tool list p150 After 1 Write the current firmware by USB for Updater or EasyMP Network for Updater or IPS Tool IDOL 3 5 10 Service tool list p150 Set the destination RESCUE 3 5 10 Service tool list p150 Calibrate G sensor 3 7 G Sensor Calibration p161 Calibrate on for Screen Fit Frame Fit Easy setup Non applied for this model Set the commander and receiver for stack 3D...

Page 149: ...ime 3 3 9 RTC Board p97 Write the lamp operation time to the new MA Board IPS Tool 3 5 10 Service tool list p150 Perform the Panel Alignment 3 8 LCD Alignment p162 MA Board Impossible Before Take the DR data from the Intramart data base Intramart 3 5 10 Service tool list p150 After 1 Write the current firmware by USB for Updater or EasyMP Network for Updater or IPS Tool IDOL 3 5 10 Service tool li...

Page 150: ...e Function Basic operation manuals TI No Reference File name IPS Tool Referring to the projector information Obtaining the AS menu information AP14 0916 01 Tech Exchange TI Utilty Tool IPS Tool_Manual E xlsx Writing the projector IPS Tool_Manual E xlsxinformation Reading out the lamp operation time from the MA Board Writing the lamp operation time to the MA Board Updating firmware Writing the firm...

Page 151: ...y to update Function Basic operation manuals TI No Reference File name USB COM Driver This driver enables the connection between the USB cable and PC It is required for operating the IPS Tool CAT RESCURE DR09 0602 01 Tech Exchange TI Driver New VCOM2 Driver Microsoft Net Framework 3 5 or later This environment is required for operating the IPS Tool ...

Page 152: ... the newly combined MA Board according to the specified procedure This section describes the specific repair process including how to write the DR data Conceptual diagram of the replacement using DR data DFWRU 63 6DOHV RPSDQ 5HSDLU FHQWHU 5HSDLU 7URXEOHVKRRWLQJ 2SULFDO QJLQH URNHQ 0 RDUG URNHQ 2SWLFDO QJLQH 63 0 RDUG 63 63 63 5HSODFH 5 GDWD 2SWLFDO QJLQH 2SWLFDO QJLQH 0 RDUG 0 RDUG 2SWLFDO QJLQH 0...

Page 153: ...w for the replacement using DR data Tool Name Remark CAT IRIS CAT 1 Install it in your PC IRIS_MENT zip file 2 Save this file to the specified folder Model Group List 2 Necessary for selecting the current model on the CAT and also for preparing the correct ASP for the projector to be repaired In the following procedure refer to the CAT Operation Manual published as the technical information AP08 0...

Page 154: ...ched on the Optical Engine Continued on the next page Check the part codes of the Optical Engine and MA board and confirm the model group using the model group list of the Tech Exchange Locate the broken part Checking the Engine s S N P 154 Checking the MA Board P 155 Checking the model group list P 155 Locating the trouble Engine MA Board P 155 Replacing the Optical Engine P 156 Replacing the MA ...

Page 155: ...elongs to 4 Locating the trouble Engine MA Board Prepare both a good engine and an MA board and check either of the engine or the MA board has trouble by changing it with the good one Hxxxx xxxxxxxx is printed on the label The three or four digits after H indicate the current model Make sure the group is correct since even among the same model projectors various MA Boards may be used Even if 3 dig...

Page 156: ...ne belonging to the same model group as the current MA Board for replacement Write down the serial number 11digits on the label attached on the Optical Engine Continued on the next page END Check in advance P 154 PREPARING A GOOD ENGINE P 156 Obtaining the DR data P 157 REPLACING THE ENGINE P 157 Writing the DR Data P 157 Take care not to mistake the numbers such as 6 for 5 because of the font use...

Page 157: ...ower cord to the projector while pressing the Enter button on the Control Panel or remote controller When the LED panel on the projector flashes four times and then lights up release the Enter button 3 Connect the projector to the PC using USB cable 4 Press the Power button on the projector or the remote controller WRITING THE DR DATA 6 Writing the DR Data 6 1 Start up the CAT 6 2 Select the group...

Page 158: ...ng RS 232C cable Connecting using USB cable 1 Disconnect the power cord from the projector and check that all of the indicators on the projector are off 2 Connect the power cord to the projector while pressing the Enter button on the Control Panel or remote controller When the LED panel on the projector flashes four times and then lights up release the Enter button 3 Connect the projector to the P...

Page 159: ...rojector to the PC using RS 232C cable Connecting using USB cable 1 Disconnect the power cord from the projector and check that all of the indicators on the projector are off 2 Connect the power cord to the projector while pressing the Enter button on the Control Panel or remote controller When the LED panel on the projector flashes four times and then lights up release the Enter button 3 Connect ...

Page 160: ...me H _xx_yyy_zzzzz_zzzzzz_zzzzzz bin of supplied DR data 3 3 Enter the 11 digit serial number of the engine noted in advance and run RESTORE 4 Image Operation check Restart the projector Power OFF Power ON once and confirm there is no problem in the projected image and operation The DR data is not stored on a brand new MA board and due to this appear on the menu screen when trying to restore the D...

Page 161: ...ot compatible with EB E01 E10 E20 EH TW740 3 7 2 Preparation 1 Be sure that all feet of the projector for which you perform this calibration are completely retracted 2 Place the projector on an even and stable place such as on the top of a table 3 7 3 Procedure 1 Connect the power cable and then press the Power button 2 Check if the Power LED flashes blue then lights blue 3 After the LED lights up...

Page 162: ...he projector flashes five times and then lights up release the Enter button 3 Press the Power button to turn on the projector 4 Press and hold the Esc button for three seconds or more 5 When the internal patterns are displayed display the pattern for checking the pixel color shift using the Left and Right buttons Pattern for checking the pixel color shift 6 Check the color shift of the pixels for ...

Page 163: ... of communication command 6 Select the DIP SW 6 and then press the Enter button 7 Select Bit 5 and switch between 0 and 1 using the Left and Right buttons 8 Close the software DIP SW by pressing the Menu button 9 Restart the projector to reflect the changes in settings 10 After restarting the projector press the Menu button 11 Select Enlargement Settings and then press the Enter button 12 Select D...

Page 164: ...2 3 Press the Esc button to return to the previous screen 3 In Pattern Color select the color of the grid displayed at the time of adjustment 3 1 Select Pattern Color and then press the Enter button 3 2 Select a combination of R Red G Green and B Blue for the grid color R G B Three color display with R G B The color of the actual grid is white R G Can be selected when R is selected as the Adjustme...

Page 165: ...unction is started The state when the point of adjustment has moved to the end of the range and no further movement is possible in that direction 6 Press the Menu button to complete the LCD Alignment 7 According to 3 8 3 LCD alignment activation method p162 switch between 1 and 0 for Bit 5 of DIP SW 6 8 Close the software DIP SW by pressing the Menu button 9 Restart the projector to reflect the ch...

Page 166: ...ield Plate B SHIELD PLATE LOWER B PH FB Insulation Sheet SHEET INSULATION FB H838 PH Filter Board FILTER BOARD UNIT H838 PI 2 Inlet Cable CABLE INLET H838 PH IR Board PCB ASSY H980IR MP PH RCF Cable CABLE RC FRONT H850 PH 2 PS Holder HOLDER PS Lower Cushion Seal CUSHION SEAL LOWER H850 PH Lower Cushion CUSHION LOWER H850 PH Inlet Fasten Plate PLATE FASTEN INLET KH PH PLATE FASTEN INLET V16H PH INT...

Page 167: ...80RTC MP PH RTC Cable H854 CABLE RTC H854 PH RTC Cable H980 CABLE RTC H980 PH Lithium Battery LITHIUM BATTERY Name used in this manual SPI Parts Name MA Board Assy MA BOARD ASSY H971 PH AS MA BOARD ASSY H972 PH AS MA BOARD ASSY H975 PH AS MA BOARD ASSY H976 PH AS MA BOARD ASSY H981 PH AS MA BOARD ASSY H982 PH AS MA BOARD ASSY HA03 PH AS MA BOARD ASSY H986 PH AS MA BOARD ASSY H973 PH AS MA BOARD AS...

Page 168: ...UPPER KAH WH E1 PH Upper Cushion A CUSHION UPPER A CUSHION PROLENS A Upper Cushion A H722 CUSHION UPPER A H722 PH Name used in this manual SPI Parts Name Upper Cushion B CUSHION UPPER B PH CUSHION CASE UPPER A CUSHION UPPER B PH Sheet Upper A SHEET UPPER A H850 PH Sheet Lid Lamp SHEET LID LAMP H850 PH Sheet Upper H854 SHEET UPPER H854 PH Upper Case COVER CASE UPPER PH COVER CASE UPPER V PH 2 Lid L...

Page 169: ...V PH LID AIR FILTER V BK PH Name used in this manual SPI Parts Name Rear Case CASE REAR H971 WH PH CASE REAR KL WH J1 PH CASE REAR KL WH E1 PH CASE REAR H981 WH PH CASE REAR V5 WH EX PH CASE REAR V5 WH E1 PH CASE REAR V16L WH E3 PH CASE REAR V16H WH E2 PH CASE REAR HA02 WH PH CASE REAR KH WH E4 PH CASE REAR KH BK E4 PH CASE REAR H978 WH J PH CASE REAR H978 WH PH CASE REAR H978 BK PH CASE REAR V16H...

Page 170: ...INTERNAL USE ONLY C H A P T E R 4 APPENDIX ...

Page 171: ...ft button The contents information displayed on each page are as follows Note The contents displayed on the screen vary depending on the input source The contents of this chapter are only for use of Epson Authorized Services Do not disclose them to the end users 1 Hold down for 5 sec or more 2 Release 1 and press twice within four seconds Page Description 1st Page Information relates to the visual...

Page 172: ...lue of the input signal 3 Horizontal Vertical frequency 4 Horizontal Vertical synchronization polarity 5 Synchronization mode 6 Detected computer mode 7 Total lamp operation time 8 Lamp operation time converted into low brightness operation 9 Lamp operation time of each brightness 3D 3D image H High intensity mode M Low noise mode L Low intensity mode UL Ultra low intensity mode 10 Lamp replacemen...

Page 173: ...ntensity mode L Low intensity mode 3D 3D image M Low noise mode UL Ultra low intensity mode 6 Lamp replacement times 7 Lamp ON OFF times 8 Destination 9 Type of optical engine 10 Serial number No Item 1 Main firmware version 2 Main2 firmware version 3 Video processor firmware version 4 Video2 processor firmware version 5 Sub firmware version 6 Sub2 firmware version 7 Image Control firmware version...

Page 174: ...Internal Error II in the CD Error Name displayed the Error Log you can identify the trouble part by seeing ID Device Code and the following table ID information Troubleshooting from the Device Names Displayed with 2 digit number 00 99 For over 99 99 is displayed Not cleared to 0 No Item 1 Time when the unit is first switched on by the user 2 Time of replacing the Lamp Lamp Replace No Item 1 Error ...

Page 175: ...B Power Supply Ballast Error IV Internal error Video sub processor error SH Shutter error FE Cooling system error Peltier device FP Cooling System error Pomp Error Count VE Exhaust Duct Shutter error Displayed with 2 digit number 00 99 For over 99 99 is displayed Not cleared to 0 OD Obstruction Detecting error SC Stack Communication error SV Stack communication error Version Item Error Code Descri...

Page 176: ...OM drvSML cpp 321 Error Log D Date Time T Lamp Time 1 L Lamp Time 2 P Lamp Time 3 ERR Error name Error code Device ID Angle Error Detail Information Date yyyy_mm_dd Time hh_mm_ss Lamp Time 1 Total Time Lamp Time 2 Low Brightness Time Lamp Time 3 Elapsed Time Error name Error Name P 179 Error Name Error Name P 179 Device ID Grey cell is Non applied ID for this model P 179 Device ID name sensor erro...

Page 177: ...C8 D T 15h1m1s L 15h P 11h3m1s Temp Level1 4 AIR 09 temp 65AA848C9C5A FFFF60 04 03 fanrevo 173416804A0 Temperature Log D Date Time T Lamp Time 1 L Lamp Time 2 P Lamp Time 3 TEMP Level Device ID temp Temperature Information fanrevo FAN Information Date yyyy_mm_dd Time hh_mm_ss Lamp Time 1 Total Time Lamp Time 2 Low Brightness Time Lamp Time 3 Elapsed Time Level Level nn When nn is larger than 3 Dev...

Page 178: ...3m1s P 9h1m1s CMODE Presentation D T 10h1m1s L 13h3m1s P 3h4m5s Power Off D T 10h1m1s L 13h3m1s P 0h0m0s Power On Operation Log Operation Info D Date Time T Lamp Time 1 L Lamp Time 2 P Lamp Time 3 Power On Power Off CMODE Cmode INFO Source Main Sub Main Signal Information 1 Sub Signal Information 1 Date yyyy_mm_dd Time hh_mm_ss Lamp Time 1 Total Time Lamp Time 2 Low Brightness Time Lamp Time 3 Elap...

Page 179: ...ction Detecting error Obstacle OD IF Board discrimination error IF Mismatch IC Stack communication error SC Stack SC Stack communication error SV Stack Ver SV Ballast mismatch error Ballast Mismatch BA No Lens error Lens Attach LA Lens shift error Lens Shift LP Out of Lens shift range Lens Out LP Cinema filter error Cinema Filter CF Laser error Laser YE Quarts N Polarizer error Laser CPD AP Peltie...

Page 180: ...2 18 EX2 19 PEL 1A LMP3 1B PUMP 1C PEL1 1D PEL2 1E YLD 1F PHW 22 LD1 23 LD2 24 BDM 25 ROUT1 26 ROUT2 27 RIN1 28 RIN2 29 LVR 2A LVG 2B LVB 2C LSM ID Display 2D EX3 2E PWIN 2F PWOUT 30 LDDR 31 PEL3 32 PEL4 ID Display 00 LV 01 LMP 02 LMA 03 PBS 04 AMIBENT 05 PWR 06 WIND 07 IRIS 08 SCI 09 AIR 0A PB 0B LWR 0C PS2 0D WIHD 0E IM 0F LV2 10 EX 11 YLD 12 PHW 13 BLD 14 YDR 15 BDR ID Display ...

Page 181: ...SWL 27 BB1 28 BB2 29 P Shift 2A LVR 2B LVG 2C LVB 2D BAA 2E PSA 2F LD1 30 LD2 31 PFC2 32 PS0 33 PFC0 34 PS3 35 PFC3 ID Display 36 PS4 37 PFC4 38 AIR2 39 CPIN 3A CPOUT 3B CA1 3C CA2 3D INA1 3E LDIN1 3F LDOUT1 40 LDIN2 41 LDOUT2 42 EX1 43 EX2 44 DIF 45 LLC0 46 LLC1 47 LLC2 48 LLC3 49 LLC4 4A LDDR0 4B LDDR1 4C LDDR2 4D LDDR3 4E LDDR4 4F SML1 50 SML2 51 FOCUS_AIR 52 FOCUS_LENS 53 FOCUS_PB 54 LDAVE ID ...

Page 182: ...2 1E Ary2 1F Ary3 20 Ary3 25 Drv1 26 Drv2 27 Drv3 28 Drv4 29 Drv5 2A Drv6 2B Src ID Display 00 CAMERA Source Display C VIDEO Video S VIDEO S Video BNC BNC DSUB Computer DSUB2 Computer2 DVI DVI HDMI HDMI HDMI2 HDMI2 HDMI3 HDMI3 DisplayPort DisplayPort SDI SDI HDBaseT HDBaseT WFD Screen Mirroring USB USB USB Display USB Display LAN LAN MessageBroadcast Message Broadcast NW Menu Network Menu Schedule...

Page 183: ...ion A AS Menu 8th Page The error log of the ballast is displayed The last 7 error logs are displayed the latest on top None is displayed if there is no error No Item 1 Page number of ballast error log 2 Log on ballast error Second paragraph is information of TEMP ...

Page 184: ... download the latest edition 4 1 2 2 Confirmation method which connects PC with projector It s connected by a USB cable Type A Type B and checked using IPS tool 4 1 2 2 1 Confirmation method 1 Disconnect the power cord from the projector and check that all of the indicators on the projector are off 2 Connect the power cord to the projector while pressing the Enter button on the Control Panel or re...

Page 185: ...EB E01 series Appendix INTERNAL USE ONLY SEIKO EPSON 185 Revision A 6 Click to the COM Port Setting 7 Select an arbitrary port and click Connect test ...

Page 186: ...ON 186 Revision A 8 When the communication succeeds OK is clicked 9 Confirm the firmware version in the VER Column When the communication is not normal then error is displayed Please confirm the communication status 10 If setting is OK Save is clicked ...

Page 187: ...ror information The cell with the numerical value is displayed in red Excluding the Time information Note Please disregard it though Lamp ON Counter Lamp OFF Counter is displayed in red This is a specification of IPS tool 13 When the acquired data is preserved Save is clicked to an arbitrary folder By sharing the saved file the IPS tool user can check the error information ...

Page 188: ...irmation method using a USB memory A data file of the body is preserved to a USB memory The data in the USB memory is confirmed using ISP Tool 4 1 2 3 1 Acquisition method of data file A data file of the body is preserved and acquired to a USB memory by the following procedure 1 Disconnect the power cord from the projector and check that all of the indicators on the projector are off 2 Connect a U...

Page 189: ...n method 1 Connect the USB memory in which a data file was written to PC 2 Start IPS tool and click Error Information PC screen Confirmation method which connects PC with projector P 184 3 When Batch data input is clicked PJCONFDATA BIN is read from USB memory 4 Acquired information is indicated PC screen Confirmation method which connects PC with projector P 184 During writing a data file in don ...

Page 190: ...and hold the Right button on the projector or the remote controller for 5 seconds or more and press and hold the Enter button for 2 seconds or more within 3 seconds after that Operation Item Total Operation Time N A Reset to 0 N A Lamp Operation Time 3D H M L UL Reset to 0 Reset to 0 N A Lamp ON Reset to 1 Reset to 1 N A Lamp OFF Reset to 0 Reset to 0 N A Lamp Replacement Add 1 to the current valu...

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