Optoma HD2+ DC3 Page 32 Service Manual Download

Page: 32 / 75

奇

菱

光電股份有限公司

Chi Lin Optronics Corp.

Doc. No

CS-72601

Version A3

Title

CHT-726 Level 1 Service Manual

Page

32 / 75

8. Turn over the projector, take off the top cabinet,

and disconnect the 10-pin cable which connects
the video board and the keypad and the 6-pin
cable connecting controller board and keypad.

9. Electric screw driver torque set for 6.6 lbs.

10. Take off the top cabinet.

※

Hereinafter, you can find disassembly and reassembly procedure for each cooling fan.

(1) The Front Axial Fan
(2)

The Rear Axial Fan

(3) The Blower Fan

Summary of Contents for HD2+ DC3

Page 1: ...份有限公司 Chi Lin Optronics Corp Doc No CS 72601 Version A3 Title CHT 726 Level 1 Service Manual Page 1 75 Service Manual For HD2 DC3 DLP Front Projector Copyright 2004 Chilin Optronics Corp All rights reserved ...

Page 2: ...奇菱光電股份有限公司 Chi Lin Optronics Corp Doc No CS 72601 Version A3 Title CHT 726 Level 1 Service Manual Page 2 75 ...

Page 3: ...perform in an environment that is smoke and dust free When used in areas where there is a lot of smoke or dust the filter and lens should be cleaned before projector is returned to the user 3 Disconnect power cord before servicing 4 The temperature of the lamp ventilation slots and objects next to them may be extremely high during operation Do not touch these areas before the temperature is suffic...

Page 4: ...2 2 Lens Checkerboard 21 6 2 3 4 X 4 Checkerboard 21 6 2 4 Scaler Test Patterns 22 6 3 Adjust CW 23 6 4 CW Index 23 6 5 VGA Auto Calibration 24 6 6 MST 9888 Comp YPbPr 24 6 7 AD9882 VGA RGB 24 6 8 SAA 7118 25 6 9 DLP RGB Gain Offset 25 7 Firmware Updade 26 8 Replacement Procedure Disassembly Assembly 28 8 1 Replace The Lamp module 28 8 1 1 Resetting Lamp Timer 29 8 2 Replace Cooling Fans 31 8 2 1 ...

Page 5: ...el 1 service means modules replacement for projector The concrete composition of level 1 modules parts will be mentioned in item 4 4 Composition of level 1 modules parts Level 1 service can be perform in a smoke and dust free environment and with limited equipments like computer and DVD Player Level 2 service is defined as service on the PCBA The technician who performs level 2 service should be k...

Page 6: ...Doc No CS 72601 Version A3 Title CHT 726 Level 1 Service Manual Page 6 75 4 Structure of the Product 4 1 I O Interface Input 3 Video S Video Input 1 Component 1 Input 2 Component 2 Rear IR Sensor AC Socket RS232 Terminal Input 4 DVI PC ...

Page 7: ...ew attached as Appendix II 2 1 2 2 2 4 2 6 2 5 2 2 3 2 2 2 7 2 39 2 40 4 5 4 29 2 4 4 2 15 8 10 2 2 2 2 30 2 2 20 6 2 4 1 28 34 4 38 37 2 6 5 36 2 6 6 4 6 3 1 2 6 31 8 3 6 8 4 28 4 21 1 9 2 8 9 22 33 2 5 1 4 5 4 26 6 7 29 1 6 9 4 6 1 6 4 4 27 25 2 29 13 7 24 1 1 31 5 12 32 1 19 14 16 11 18 32 2 32 1 2 2 2 3 1 3 2 35 1 1 5 5 ...

Page 8: ... 0 09A D80 AXIAL 1 42 WIRE SENSOR P CONTROL 2P 240 1 18 P05760 VIDEO UPPER SHIELDING 1 43 WIRE POWER THERMOSTAT 2P 220MM 1 19 P05760 BOTTOM NET 1 44 WASHER D2 5 E RING STEEL 2 20 P05760 BOTTOM NET COVER 1 45 SCREW PH M3 0 5 5 C2 9 21 P05760 VIDEO SIDE NET 1 46 SCREW PH D3 8 C2 15 22 P05760 PCB FAN METAL DUCT 1 47 SCREW PH D3 5 C2 4 23 P05760 PCB FAN DUCT SHIELDING 1 48 SCREW BH M3 0 5 8 C2 13 24 P...

Page 9: ...s page and next page In order to help technician understand the figure and composition of each module and mechanical part drawing of modules and parts are as drawing listed on this page and next page Others ex Cable Screw Packing material Accessories etc are not included in following drawings The items of level 1 service will be updated base on ASP After Service Provider capability and efficiency ...

Page 10: ...hi Lin Optronics Corp Doc No CS 72601 Version A3 Title CHT 726 Level 1 Service Manual Page 10 75 Electronic Parts Keypad Lamp Video Module Control Board Ballast Connection Board IO Board Thermal Sensor Power Module ...

Page 11: ...roller malfunction IR sensor is malfunction Replace the batteries Replace the remote controller If the remote works fine then test the front and rear IR sensors if the front IR sensor fails replace the control board If the rear IR sensor malfunctions replace the RS232 board The blue LED and the over temperature indicator flash alternately The cable for the front rear thermal sensor doesn t connect...

Page 12: ...t the wires or replace the failed wires Reconnect the connect board If it is failed replace it Replace the ballast The failure on photo sensor will cause the spin rate of color wheel isn t correct please contact CLO for the level 3 service for repairing photo sensor The keypad malfunction Keypad is defective if one or two buttons no function The wire from the video module to the keypad doesn t wel...

Page 13: ...e the video module Reload correct firmware to formatter board Please contact CLO for the detail Contact CLO for level 3 service 1 16 of image area is shown as a horizontal stripe The formatter board malfunction Contact CLO for level 3 service Update firmware failure The cable between the Video module and the power module doesn t well connect or fail The cable from the video module doesn t connect ...

Page 14: ...奇菱光電股份有限公司 Chi Lin Optronics Corp Doc No CS 72601 Version A3 Title CHT 726 Level 1 Service Manual Page 14 75 5 2 Block Diagram ...

Page 15: ... video module How to enter Service Mode By pressing clockwise and MENU button to enter into the main menu of the Service Mode How to exit Service Mode Press the exit button to leave Service Mode 6 1 Options There are two items under Option one is video format which is set to Auto generally and another is DLP Vsync 6 2 1 Video Format Video Format provides 20 different formats such as NTSC 60Hz PAL ...

Page 16: ... screen This pattern is used to test for Major Dark Blemishes and Dark Pixels All areas of the screen are colored at a specific blue level based on a standard 0 255 RGB scale Major Dark Blemish Test Blue Value 90 Red Value 0 Green Value 0 Gray 30 test screen This pattern is used to test light border blemishes and bright pixels All areas of the active area are colored at a specific gray level based...

Page 17: ...RGB scale Minor Dark Blemish Test Blue Value 255 Red Value 255 Green Value 255 Black test screen This pattern is used to test Minor Light Blemishes The full screen area is colored specifically based on a standard 0 255 RGB scale Minor Light Blemish Test Blue Value 0 Red Value 0 Green Value 0 Red ramp test screen This pattern is used to test for unstable pixels The full screen area is colored at an...

Page 18: ...It is CLO internal checking pattern for production It is nothing to go with DMD Checking Red gray scale test screen Blue Value 0 Red Value Start R0 G0 B0 End R255 G0 B0 Green Value 0 Green gray scale test screen This pattern is used to test projection lens performance It is CLO internal checking pattern for production It is nothing to go with DMD Checking Green gray scale test screen Blue Value 0 ...

Page 19: ...o the instructions in the DMD Handling Document TI drawing 2504641 e Projector de gamma correction Curve shall be in accordance with Test Screen definitions on sheets 3 4 of this document The correct RGB value must align with the appropriate De Gamma Curve Reference Note 1 If the De Gamma curve is not known then the Linear Lux values for a given test screen can be calculated by the following equat...

Page 20: ... note 4 for size limitation 7 Unstable Pixel Red Ramp Screen Zero Unstable pixels Table 1 Image Quality Specification Test Criteria Notes 1 This specification applies to the active pixel area addressed pixels of the DMD only All other defects outside of this area are acceptable Also in this manner customer projection optics must control light effectively Light reflecting from anywhere outside of t...

Page 21: ...for checking the back focal length In normal situation the every black pixel in white square or white pixel in black square should be clear otherwise projector should be returned to CLO for adjustment When you enter Lens Checkerboard you would see the below pattern 6 2 3 4 X 4 Checkerboard 4 X 4 Checkerboard is for measuring ANSI Contrast The pattern is as below ...

Page 22: ... Normally it must be set to NONE or projector would only project pattern out even you feed in signals Solid Color When Scaler test pattern is set to Solid Color it is allowed to enter or exit All R B and G patterns of Color components by pressing up and down buttons and pressing Right and Left buttons to adjust the each color s level on Solid Field Level Note Any adjustment affects the pattern onl...

Page 23: ...ooming 6 3 Adjust CW When Adjust CW is On repair people could adjust the CW index setting on Color Wheel when it is Off no adjustment can be done Normally it is set to Off 6 4 CW Index CW Index is for setting the color coordination This function mainly use in factory We suggest do not change any setting on this section However if the video module replacement is necessary please remember the CW Ind...

Page 24: ...meter on Gain and Offset of YPbPr on MST 9888 chip when the video Board is replaced To perform this function please refer to chapter 8 7 Procedure of the video module adjustment for more information on adjustment on YPbPr parameter Note MST 9888 Comp YPbPr is hided when the input signal is VGA or RGB signal 6 7 AD9882 VGA RGB AD 9882 VGA RGB function is for adjusting the parameter setting on VGA w...

Page 25: ...6 Level 1 Service Manual Page 25 75 6 8 SAA 7118 SAA 7118 is a function to adjust the brightness contrast saturation and tint on S Video Composite and Component input 6 9 DLP RGB Gain Offset DLP RGB Gain Offset is allowed people to adjust the optimal gain and offset setting ...

Page 26: ... might cause malfunction on your projectors Please check the documentations or needed information such as hardware version firmware version or serial number associate with firmware before applying firmware on your projector To update firmware for NHT 726 front projector you need a RS 232 cable and Flash Upgrader exe on Projector Service AID CD that only provide to authorized technician and distrib...

Page 27: ...ep 4 Check COM Port RS232 and set the Baud Rate to 115200 Step 5 Click Flash bottom to load firmware to Video Board Step 6 Power on projector Step 7 Download HEX file Flasher Bootcode gui configdata romcode Note Do not click Cancel button when firmware is loading Step 8 Click Close button when firmware is loaded ...

Page 28: ...tilation slots and objects next to them may be extremely high during operation Before replacing the lamp module please wait till the temperature is sufficiently cool down 1 Loosen 2 screws from Lamp Door 2 Electric screw driver torque set for 11 lbs 3 Take off the lamp door from projector 4 Electric screw driver torque set for 11 lbs 5 Loosen 4 screws on lamp module 6 Electric screw driver torque ...

Page 29: ... Electric screw driver torque set for 11 lbs 8 1 1 Resetting Lamp Timer Connect the power cord into AC socket of the projector and turn on the projector Press Menu on Projector Control Panel or Remote Control Select Option on OSD then select Lamp Timer Reset when enter to Lamp Timer Reset select Yes to reset previous timing record Information Warning To reset Lamp timer is only allowed when replac...

Page 30: ...奇菱光電股份有限公司 Chi Lin Optronics Corp Doc No CS 72601 Version A3 Title CHT 726 Level 1 Service Manual Page 30 75 ...

Page 31: ... Fans 1 Loosen 2 screws from the Lamp Door 2 Electric screw driver torque set for 11 lbs 3 Take off the lamp door from the projector 4 Turn over the projector and loosen the screw by the I O port 5 Electric screw driver torque set for 11 lbs 6 Loosen 8 screws from the bottom cabinet 7 Electric screw driver torque set for 11 lbs ...

Page 32: ...net and disconnect the 10 pin cable which connects the video board and the keypad and the 6 pin cable connecting controller board and keypad 9 Electric screw driver torque set for 6 6 lbs 10 Take off the top cabinet Hereinafter you can find disassembly and reassembly procedure for each cooling fan 1 The Front Axial Fan 2 The Rear Axial Fan 3 The Blower Fan ...

Page 33: ...he top cabinet 2 Electric screw driver torque set for 6 6 lbs 3 Disconnect the 3 pin cables from the red connector on the control board 4 Electric screw driver torque set for 6 6 lbs 5 Loosen 2 screws on the lamp door front lock and take it off from the bottom cabinet 6 Electric screw driver torque set for 6 6 lbs 7 Loosen 2 screws to take off the axial fan module 8 Electric screw driver torque se...

Page 34: ...set for 6 6 lbs 11 Remove the 4 fan Rubbers from the failed fan Replace the failed fan with a good one 12 Place the fan rubber onto the fan and assemble the duct on Note The label on the fan must be toward to the lamp door when assembly 13 Place the fan module back to the bottom cabinet secure 2 screws on and reconnect the fan s cable to the control board Secure the front lock back ...

Page 35: ...e affected 15 Electric screw driver torque set for 6 6 lbs 16 Test the projector If the unit functions well go to step 11 If the LED flashs disconnect the wires from keypad and go back to step 6 on page 30 and disassemble the projector to check the connectors and fans 17 Turn over the projector and secure 9 screws on the bottom cabinet 18 Electric screw driver torque set for 11 lbs 19 Place lamp d...

Page 36: ...the 3 pin cable from the clips Disconnect the 3 pin fan cable from the green connector on the control board 3 Electric screw driver torque set for 6 6 lbs 4 Loosen 2 screws which secure the rear axial fan module Pull out the real axial fan module from the bottom cabinet 5 Electric screw driver torque set for 6 6 lbs 6 Loosen 2 screws to take off the metal duct from the rear axial fan 7 Electric sc...

Page 37: ... the failed rear Axial fan Note The wire should go thru the opening of the duct 9 Electric screw driver torque set for 11 lbs 10 Assemble the duct shielding and the duct back 11 Electric screw driver torque set for 11 lbs 12 Place the rear axial fan module back to the bottom cabinet and secure it 13 Electric screw driver torque set for 6 6 lbs 14 Reconnect the fan cable to the control board ...

Page 38: ... keypad sensitivity will be affected 16 Electric screw driver torque set for 6 6 lbs 17 Test the projector Test the projector If the unit functions well go to step 11 If the LED flashs disconnect the wires from keypad and go back to step 6 on page 30 and disassemble the projector to check the connectors and fans 18 Turn over the projector and secure 9 screws on the bottom cabinet 19 Electric screw...

Page 39: ...connector 3 Electric screw driver torque set for 6 6 lbs 4 Remove the lamp door front lock and the front axial fan from the bottom cabinet by loosening 4 screws 2 for lamp door front lock and 2 for Axial fan 5 Loosen 2 screws on the connection board Remove the EMI shielding and disconnect the connection board from the Video module Note Do not pull the connection board out from the connector on the...

Page 40: ...the lamp housing for unpluging the power cord connecting the lamp housing and the ballast 8 Electric screw driver torque set for 11 lbs 9 Unplug the two ropes from the thermostat 10 Disconnect the white switch connecting the lamp housing and the power module 11 Disconnect the 5 pin cable of the lamp switch from the formatter board ...

Page 41: ...rom the shielding net And take off the shielding net 13 Disconnect the cable from the formatter board 14 Remove the tapes which tape the 10 pin cable which connects the video board and the keypad and the 6 pin cable connecting the control board and the keypad 15 Loosen 5 screws to take the optical engine from the bottom cabinet ...

Page 42: ... Page 42 75 16 Take the optical engine out from the bottom cabinet The duct The blower fan 17 The Optical Engine The Thermal Sensor 18 The Optical Engine 19 The blower fan is on the back side of the Optical Engine Loosen two screws to take off the duct 20 Electric screw driver torque set for 11 lbs ...

Page 43: ...Loosen 2 screws to take away failed blower fan Place the good blower fan on and secure it 22 Electric screw driver torque set for 11 lbs 23 Set the duct to its position and secure it on formatter module 24 Place the Optical Engine back to the bottom cabinet 25 Secure the optical engine back to the bottom cabinet ...

Page 44: ...el 1 Service Manual Page 44 75 26 Place the shielding net back and secure it 27 Electric screw driver torque set for 11 lbs 28 Reconnect the 5 pin cable to the formatter board 29 Reconnect the white switch 30 Connect the power cord back to the lamp housing and secure the screw on ...

Page 45: ...t 32 Place the connection board back to the connector on video board and secure the connection board and shielding it by EMI shielding 33 Plug the cable from the video board into the connector on the formatter board 34 Secure the front Axial fan module and the lamp door front lock on the bottom cabinet 35 Electric screw driver torque set for 6 6 lbs ...

Page 46: ...he two wires should be pull backward to the electronic parts If the wires are left on the optical engine the keypad sensitivity will be affected 39 Electric screw driver torque set for 6 6 lbs 40 Test the projector Test the projector If the unit functions well go to step 32 If the LED flashs disconnect the wires from keypad and go back to step 6 on page 30 and disassemble the projector to check th...

Page 47: ...司 Chi Lin Optronics Corp Doc No CS 72601 Version A3 Title CHT 726 Level 1 Service Manual Page 47 75 43 Turn over the projector Place the lamp door on and secure it 44 Electric screw driver torque set for 11 lbs ...

Page 48: ...ypad 1 Loosen 2 screws from the Lamp Door 2 Electric screw driver torque set for 11 lbs 3 Take off the lamp door from the projector 4 Turn over the projector and loosen the screw by the I O port 5 Electric screw driver torque set for 11 lbs 6 Loosen 8 screws from the bottom cabinet 7 Electric screw driver torque set for 11 lbs ...

Page 49: ...for 6 6 lbs 10 The top cabinet and the keypad Loose 3 screws to replace the defective keypad module 11 Electric screw driver torque set for 6 6 lbs 12 Reconnect the cables which connect to keypad on top cabinet And place the top cabinet on Note The two wires should be pull backward to the electronic parts If the wires are left on the optical engine the keypad sensitivity will be affected 13 Electr...

Page 50: ...on A3 Title CHT 726 Level 1 Service Manual Page 50 75 15 Turn over the projector and secure 9 screws on the bottom cabinet 16 Electric screw driver torque set for 11 lbs 17 Place the lamp door on and secure it 18 Electric screw driver torque set for 11 lbs ...

Page 51: ...ews from the Lamp Door 2 Electric screw driver torque set for 11 lbs 3 Take off the lamp door from the projector 4 Electric screw driver torque set for 11 lbs 5 Turn over the projector and loosen the screw by the I O port 6 Electric screw driver torque set for 11 lbs 7 Loosen 8 screws from the bottom cabinet 8 Electric screw driver torque set for 11 lbs ...

Page 52: ...roller board and keypad 10 Electric screw driver torque set for 6 6 lbs 11 Loosen 2 screws securing the controller board Pulling up the controller board and disconnecting all cables on it 12 Electric screw driver torque set for 6 6 lbs The Front IR Sensor 13 The control board Replace the control board if the control board is malfunction 14 Connect cables to the controller board Place the controlle...

Page 53: ...on the optical engine the keypad sensitivity will be affected 17 Electric screw driver torque set for 6 6 lbs 18 Test the projector If the projector is still malfunction check the connection of all cables on the control board and the keypad 19 Electric screw driver torque set for 6 6 lbs 20 Turn over the projector and secure 9 screws on the bottom cabinet 21 Electric screw driver torque set for 11...

Page 54: ...rews from the lamp Door 2 Electric screw driver torque set for 11 lbs 3 Take off the lamp door from the projector 4 Electric screw driver torque set for 11 lbs 5 Turn over the projector and loosen the screw by the I O port 6 Electric screw driver torque set for 11 lbs 7 Loosen 8 screws from the bottom cabinet 8 Electric screw driver torque set for 11 lbs ...

Page 55: ...cts the video board and the keypad and the 6 pin cable connecting controller board and keypad 10 Electric screw driver torque set for 6 6 lbs 11 Loosen 3 screws on the connection board Remove the EMI shielding and disconnect the connection board from the Video module 12 Electric screw driver torque set for 11 lbs 13 The connection board 14 Replace the failed connection board and secure the good on...

Page 56: ...wo wires should be pull backward to the electronic parts If the wires are left on the optical engine the keypad sensitivity will be affected 16 Electric screw driver torque set for 6 6 lbs 17 Test the projector 18 Turn over the projector and secure 9 screws on the bottom cabinet 19 Electric screw driver torque set for 11 lbs 20 Place the lamp door on and secure it 21 Electric screw driver torque s...

Page 57: ...ermal sensors and the power module The adjustment on the video module charpter 8 7 is needed when the video module is replaced Note 1 The front IR sensor is located on the control board and the rear IR sensor is on the I O board 2 The front thermal senor is on the optical engine near the lamp housing and the rear one is on the power module 1 Loosen 2 screws from the Lamp Door 2 Electric screw driv...

Page 58: ...projector take off the top cabinet and disconnect the 10 pin cable which connects the video board and the keypad and the 6 pin cable connecting controller board and keypad 10 Electric screw driver torque set for 6 6 lbs 11 The inside of the projector 12 Loosen 2 screws securing the controller board Pulling up the controller board and disconnecting all cables on it 13 Electric screw driver torque s...

Page 59: ...n 2 screws on the connection board Remove the EMI shielding and disconnect the connection board from the Video module Note Do not pull the connection board out from the connector on the formatter module or unfixable damage may be occurred 16 Electric screw driver torque set for 11 lbs 17 Loosen 1 screw from the lamp housing Unplug the power cord connecting lamp housing and ballast 18 Electric scre...

Page 60: ... 1 Service Manual Page 60 75 20 Disconnect the white switch connecting the lamp housing and the power module 21 Disconnect the 5 pin cable from the formatter module 22 Loosen 1 screw from the shielding net And take off the shielding net 23 Unplug the cable from the formatter module ...

Page 61: ...ts the video board and the keypad and the 6 pin cable connecting the control board and keypad 25 Loosen 5 screws to take the optical engine from the bottom cabinet 26 The front thermal sensor If the front thermal sensor is defective replace the thermal sensor and go to step 40 on page 65 27 Loosen 4 screws by the I O port 28 Electric screw driver torque set for 6 6 lbs ...

Page 62: ...4 screws and take off the video module 31 Electric screw driver torque set for 11 lbs 32 The video module If the video module malfunction replace the defect video module and go to step 37 on page 64 33 Loosen 2 screws which secure the rear axial fan module Pull out the real axial fan module from the bottom cabinet 34 Electric screw driver torque set for 6 6 lbs ...

Page 63: ...torque set for 6 6 lbs 37 Disconnect the cables from the ballast and loosen 3 screws to take the ballast from the electronic module 38 Electric screw driver torque set for 11 lbs 39 The ballast If the ballast malfunction replace the failed ballast with a good one and go to step 34 on page 63 The Rear IR Sensor 40 Loosen 4 screws to take the I O board off 41 Electric screw driver torque set for 11 ...

Page 64: ...AC socket 44 Electric screw driver torque set for 11 lbs 45 Loosen 4 screws to take off the power module 46 Electric screw driver torque set for 11 lbs The Thermal Sensor 47 The Power module and the rear thermal sensor If the rear thermal sensor is malfunction replace the rear thermal sensor The power module does not include the rear thermal sensor when replace the power module the thermal sensor ...

Page 65: ...ure it with 4 screws 52 Electric screw driver torque set for 11 lbs 53 Place the ballast on and secure it with 3 screws Connect the cables from the power module to the ballast 54 Electric screw driver torque set for 11 lbs 55 Set the shielding on the ballast and I O board The power cord from the ballast must be go through indentation of the shielding And the cable which connects the IO board and t...

Page 66: ...the rear axial fan to the bottom cabinet 57 Electric screw driver torque set for 6 6 lbs 58 Place and secure the video module onto the shielding 59 Electric screw driver torque set for 11 lbs 60 Secure the 6 screws onto the I O port 61 Electric screw driver torque set for 11 lbs 62 Plug the cables into the video module ...

Page 67: ...67 75 63 Place the Optical Engine back to the bottom cabinet 64 Secure the optical engine back to the bottom cabinet 65 Electric screw driver torque set for 11 lbs 66 Place the shielding net back and secure it 67 Electric screw driver torque set for 11 lbs 68 Reconnect the 5 pin cable to formatter module ...

Page 68: ...al Page 68 75 69 Reconnect the white connector 70 Reconnect the 2 wires to the thermostat 71 Connect the power cord back to the lamp housing and secure the screw on 72 Place the connector board back to the connector on video board and secure the connection board and shielding it by EMI shielding ...

Page 69: ...75 Electric screw driver torque set for 6 6 lbs 76 Connect cables to the controller board Place the controller board back and secure it 77 Electric screw driver torque set for 6 6 lbs 78 Reconnect the cables which connect to keypad on top cabinet And place the top cabinet on Note The two wires should be pull backward to the electronic parts If the wires are left on the optical engine the keypad se...

Page 70: ...est the projector If the projector could not function well go back to step 5 on page 57 to disassemble the unit 81 Turn over the projector and secure 9 screws on the bottom cabinet 82 Electric screw driver torque set for 11 lbs 83 Place the lamp door on and secure it 84 Electric screw driver torque set for 11 lbs ...

Page 71: ...R THE VIDEO MODULE Step 1 Enter service mode by pressing and MENU and check the CW index no Step 2 Refer to Chapter 8 6 replacing the video module Step 3 Refer to Chapter 7 for loading firmware to the video module Step 4 Enter service mode and restore the CW index no which you read on Step 1 Step 5 Connecting Projector and Testing Equipment Connecting Component and VGA cable Connecting Projector P...

Page 72: ...e 72 75 2 Enter Service mode by pressing and MENU 3 Select VGA Auto Calibration then press 4 Ready for Black Calibration Press Menu Select to Continue message shows up press MENU 5 Wait for Ready for White Calibration Press Menu Select to Continue message shows up input a white pattern then press MENU ...

Page 73: ...ge 73 75 6 Calibration Complete Press Escape to Exit press EXIT to leave VGA Auto Calibration 7 Feed in 64 step RGBW pattern If 64 step RGBW bars display clearly and no any color blooming this adjustment is done successfully If the pattern is displayed unsmooth go to next step 8 Enter AD 9882 VGA RGB ...

Page 74: ...Adjust the Gain and Offset of RGB manually Step 7 Feed in 64 step RGBW pattern thru Component port If 64 step RGBW pattern displays unclearly and has any color blooming then enter MST 9888 Comp YPbPr and manually adjust the Gain and Offset of RGB color for making the pattern display clearly and no color blooming ...

Page 75: ...0 900025 011 PCBA P05760 Front Thermal Sensor 8 510 900014 011 PCBA P05760 Rear Thermal Sensor 9 510 900028 011 PCBA P05762 Control Board 10 526 900052 001 CS Lamp Change Package Fan Parts 11 150 120803 001 Rear Axial Fan 12 150 120802 001 Front Axial Fan 13 150 120502 001 Blower Fan Mechanical Parts 14 526 900136 001 RD 526 0603002 CS P07260 Top Cover Set Pearl 15 526 900137 001 RD 526 0603005 CS...

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