Mitsubishi Electric DLP WD-82CB1 Technical Training Manual Download Page 52

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DLP

HOME CINEMA

SCREEN REPLACEMENT 82” & 92” Models (continued)

CAUTION: Wear

gloves

when handling the Lenticular Screen and Fresnel Lens.

This prevents cuts and finger prints.

Do not place Fresnel Lens in the sun

This may cause fire and heat related injuries.

Lenticular Screen and Fresnel Lens Removal

1. Remove four screws (A) in all four corners of the Screen Bezel.
2. Remove the Screen Bezel components from the Screen/Lens Assembly.

A X4

CORNER-S-T

CORNER

COVER-HOLDER-T

CORNER-CAP

S-L

FRONT

SCREEN/LENS

ASSEMBLY

CORNER-S-T

HOLDER-SCREEN

TOP-R

CORNER-CAP

TOP-L

LABEL

S-R

HOLDER-SCREEN

B-L

CORNER

B-R

HOLDER-SCREEN-B

Summary of Contents for DLP WD-82CB1

Page 1: ...CHNICAL RAINING T 2011 2012 Copyright 2011 Mitsubishi Electric Visual Solutions America Inc All Rights Reserved V45 Chassis V46 Chassis DLP HOME CINEMA TV V46 L75 A94 V45C V45 V45CA WD 73C11 WD 73640 WD 73CA1 V45 V45 V45CB WD 73740 WD 73840 WD 82CB1 WD 82740 WD 82840 WD 92840 ...

Page 2: ......

Page 3: ...eatures and Technologies 6 New Technologies 8 Chapter 1 LASERVUE 15 Safety 15 Disassembly and Parts Replacement 17 Service Procedures 23 Down to 1 Troubleshooting 31 Chapter 2 DLP HOME CINEMA 35 Disassembly and Parts Replacement 35 Service Procedures 23 Down to 1 Troubleshooting 57 Circuit Block Diagrams 61 ...

Page 4: ...4 ...

Page 5: ...t Category Chassis Display Technology Light Source LASERVUE V46 Rear Projection DLP RGB Lasers DLP Home Cinema V45 Rear Projection DLP High Pressure Discharge Lamp DLP Home Cinema SIZE V45C V45 V45CA V45 73 WD 73C11 WD 73640 WD 73CA1 WD 73740 82 WD 82740 92 V45 WD 73840 WD 82840 WD 92840 V45CB WD 82CB1 LASERVUE SIZE V46 75 L75 A94 The full TV Product Line is shown below by size sub chassis and mod...

Page 6: ...s to cover the LASERVUE and DLP Home Cinema product categories separately While this manual can be used as a service aid always refer to the Service Manual for complete service information and safety instructions FEATURES and TECHNOLOGIES A matrix of many of the features included in the 2011 2012 product line follows Also several of the newest ...

Page 7: ...atory HDMI 1 4a 3D signals intended for the United States However there may be some 3D sources that are not compatible with the TVs Specifically the TVs will support the 3D signals known as Frame Packing 1080p 24Hz and 720p 60Hz primarily from Blu ray players and gaming consoles Side by Side in 1080i 60Hz 1080p 24Hz 30Hz 60Hz and 720p 60Hz Top Bottom in 1080p 24Hz and 720p 60Hz Checkerboard 1080p ...

Page 8: ...pter plugged into the TV s USB port Note At this time these are the only wireless adaptors available on the market that can be used More options may be available in the future Wireless and Built in Wireless IEEE 802 11n compliant wireless network router providing high speed internet service Bluetooth A2DP Audio Streaming The Bluetooth specification for basic audio provides a frequency response des...

Page 9: ...9 Introduction ...

Page 10: ...feature is self activated when the set is in the shut down condition No pro cedure necessary to obtain an Error Code The Error Code read out is now color coded It s now simplified to the point where a customer can read the Error Code Software updates can be performed on line automatically Internet Media models Bluetooth circuit is on a separate PWB to simplify troubleshooting Features specificatio...

Page 11: ... type product it is important to read and understand all safety requirements The V40 Technical Training Man ual includes a section on the Fundamentals of Laser and Laser Safety It is available for download from new 3diamonds com In addition the laser safety requirements specific to the V46 chassis are repeated from the Service Manual here Refer to the Service Manual for all other safety instructio...

Page 12: ...TV poses no risk to eyes or skin during normal use An exposure hazard may exist only if the protective housing is removed This TV contains a CLASS 4 laser device which by itself may be hazardous However this TV incorporates a protec tive housing optics and electronics such that there should be no exposure to unsafe levels of laser light during normal operation and proper service This TV is in comp...

Page 13: ...rnal connectors 1 The following precautions must be taken to avoid exposure to hazardous laser radiation during service Prior to removing items marked with either of the two labels shown below AC power must be removed AC power must not be re applied until the cover s are replaced back into their original position and all screws are in place The specific Class 4 areas in the V46 chassis include the...

Page 14: ...lowing assemblies are replacement items that should not be disassembled Electrical Chassis Replacement is supplied complete with PWBs However PWBs can be replaced individually Light Source Unit Replacement is supplied complete with fans and ducts However Exhaust Fans can be replaced individually Optical Engine Replacement is supplied complete with the DMD fan However the DMD Fan can be replaced in...

Page 15: ...15 A A A A A Rear Cabinet Frame Removal 1 Remove screws A from the Rear Cabinet Frame 2 Remove the Rear Cabinet Support Frame from the TV A A ...

Page 16: ...p USB memory device is available IMPORTANT REPLACEMENT NOTE If the customer has sub scribed to VUDU Internet program provider the customer must be instructed to contact VUDU to re activate their account after a re placement CHASSIS or PWB MAIN has been installed The original part cannot be installed in another TV It must be returned to Mitsu bishi per policy Service Cover Removal For Light Source ...

Page 17: ...eplaced individually 1 Disconnect all cables connecting to the Light Source Unit 2 Remove Screws A and B 3 Remove the Light Source Unit from the cabinet Light Source Unit Replacement 1 After a new Light Source Unit is installed perform the Select Calibration Table procedure as described in the Service Adjustments section A A A A B ...

Page 18: ...uct Assembly for Fan replacement only Otherwise order the complete Light Source Unit 1 Remove Screws A 2 Separate the Front and Rear Air Ducts IMPORTANT Do not disassemble the Light Source Unit any further Fan Labels Facing Out Corner Cushions 3 Per Fan A ...

Page 19: ... Engine further than DMD Fan replacement Optical Engine Replacement After a new Optical Engine is installed perform the following procedures 1 TSP Alignment as described in the Service Adjustments section 2 Save Engine and Geometry Setting to Backup procedure as described in the Data Transfer section of the Service Adjustments A ...

Page 20: ...20 COVER FRONT Removal 1 Remove Back Cover and remove Screw A 2 Remove Screws B 3 Pull COVER FRONT away from the front of the cabinet B B COVER FRONT Example A ...

Page 21: ...ews A from the bottom front 3 Remove Screws B from the rear sides 4 Remove the Screen Assembly from the cabinet IMPORTANT Do not allow the rear of the screen to come into contact with any other surface including clean ing cloths or fingers Remove dust or other debris by blowing with a dry air source IMPORTANT Do not disassemble the Screen Assembly B B ...

Page 22: ...22 SERVICE PROCEDURES REMOTE CONTROL USE FOR SERVICE Many service functions and adjustments are accessed using the Remote Control See below ...

Page 23: ...ship is changed NOTE This feature is independent of the Initialize function 1 Enter the Option Menu MENU 2 4 7 0 2 Select Deactivate VUDU and ENTER 3 The Vudu Reset text will momentarily turn red 4 Press EXIT to quit 5 The TV will register as deactivated the next time it is connected to the internet Option Menu MENU 2 4 7 0 Initialize Deactivate VUDU Power Restore OFF Production Mode OFF Digital S...

Page 24: ...ress ENTER The screen will display the Digital Signal Strength Menu SNR Recommended Levels 8VSB 16 to 33 64 QAM 22 to 35 256 QAM 27 to 38 Digital Signal Strength Menu Digital Signal Strength ENTER Tuner Frequency MHz 749 Signal Level 1 9 Modulation 8VSB Air Carrier Lock Locked SNR 29 09 Correctable errors 0 Un Correctable errors 0 ...

Page 25: ... While viewing the TV press the side panel buttons INPUT VOL at the same time and hold for 10 sec All Audio and Video settings are reset to the factory de fault settings No other menu options are changed System Reset To reset the TV when it does not turn on or off does not respond to the remote control side panel buttons or has other unusual symptoms Press and hold the side panel POWER button for ...

Page 26: ...nk Red three times followed by blinking Yellow seven times See the following page for a list of Error Codes To perform a System Reset press and hold the Power button for 10 seconds Or unplug the set for 10 seconds then restore power NORMAL INDICATIONS STATUS LED Indication Condition Off Off Standby Green Power On Slow Blinking Green Power Off with Timer Set Power On normally Fast Blinking Green 1 ...

Page 27: ...nsor ambient peltier heat pipe Communication error between Laser micro and EEPROM Communication error between Laser micro and LASER module thermistor Check communication as follows Ambient temp sensor Check LE ST2 circuitry wiring Replace PWB TEMP2 Peltier temp sensor Check ST ST1 circuitry wiring Replace PWB TEMP1 EEPROM Check FA FA circuitry wiring Replace Laser Units LASER module thermistor Che...

Page 28: ... specific Error Code that occurred STATUS HAPPENED Indicates an error was recorded Press CANCEL to erase the Log NOTE The Error Code Log is intended as a reference tool and is not meant to be used as a final determination of a defective part Error Code Log PAGE 001 001 CURRENT TIME 01455 HOURS USAGE TIME CODE STATUS 00413 HRS 56 HAPPENED 00716 HRS 57 HAPPENED Press Up to Previous Page Press Down t...

Page 29: ...s no indication will be dis played initially Use FWD and RWD to toggle between patterns 2 Press Play a second time and use FWD and RWD to access additional patterns 3 Press Play again to toggle back to the previous patterns 3 Adjustment Selection When in the Service Menu use the VIDEO button to toggle to the adjustment desired as indicated by the num ber and abbreviation displayed on screen i e 1 ...

Page 30: ... If a Left Right button is pressed the horizontal position and HPOS adjustment data changes 5 Press ENTER to save the adjustment data TSP Alignment after Optical Engine replacement 1 Enter the Service Menu MENU 2 4 5 7 2 Select the TSP Test Pattern by pressing PLAY once then FAST FORWARD or REWIND until the pattern shown appears 3 Use the VIDEO button to select 2 TSP 4 Use the DIRECTION buttons to...

Page 31: ...stment Before Adjustment After Adjustment Manual Geometry Alignment 1 Activate the Service Mode MENU 2 4 5 7 From the Service Menu press the 0 button The Data Trans fer Geometry Menu will appear 2 Use the buttons to select MANUAL GEOMETRY ALIGNMENT and press ENTER 3 The Manual Geometry Alignment Pattern will appear See below 4 Prepare for the alignment by resetting the geometry data Press 1 then E...

Page 32: ...next point clockwise and repeat until all 20 points have been adjusted 4 After all 20 points are adjusted and the cursor is returned to the original starting point press ENTER Correction will be automatically calculated and saved and the Manual Geometry Alignment will be terminated 5 Press ENTER to re activate the Manual Geometry Alignment The geometry pattern will appear with the corrections appl...

Page 33: ... the straightest Blue 4 3 Line It may help to count the patterns as you cycle through them When you find the pattern with the straightest Blue 4 3 Line press VIDEO The pattern will be displayed with a Right Blue 4 3 Line 4 3 MODE Select Straightest Blue Line 4 3 MODE Select Straightest Blue Line 3 In the Right 4 3 Alignment Mode pressing or will cause the geometry pattern to be displayed with 12 p...

Page 34: ... the Bottom Red Line Toggle through them until you find the one with the straightest Red Line When you find the pattern with the straightest line press VIDEO Press ENTER then EXIT to exit and save the 4 3 and 16 9 data 7 Select the Geometry Test Pattern See HVPOS If Geometry is acceptable press EXIT to quit 5 In the Center 16 9 Alignment Mode pressing or will cause the geometry pattern to be displ...

Page 35: ...ngine BACKUP AND RESTORE ISF SETTINGS allows the ISF ADV video settings to be backed up and restored using an external USB memory device RED ONLY AND GREEN ONLY displays the video in red or green only 2 Use the buttons to select the item and press ENTER 3 Follow on screen instructions if given 4 Press EXIT to quit After Optical Engine Replacement 1 Save Engine and Geometry Setting to Backup After ...

Page 36: ...ion Menu will appear 3 Use the buttons to select MANUAL GEOMETRY ALIGNMENT and press ENTER The Manual Geometry Alignment Pattern will appear 4 Perform a reset Press 1 ENTER This will null all correction data exit the Manual Geometry Alignment and return to the Geometry Test Pattern Use the Geometry Test Pattern for the remainder of the Top Mirror Adjustment procedure 5 To remove the Top Mirror Adj...

Page 37: ... direction indicated so the geometry is as square as possible in relation to the bottom edge of the bezel 8 After adjustment tighten the 3 Mirror Locking Screws and replace the Top Mirror Adjustment Cover 9 Perform the Manual Geometry Alignment procedure ...

Page 38: ... System Reset Press and hold the POWER button for 8 seconds Or remove and re apply power 2 A V Reset by Input Select the Input to be reset Press remote MENU Select Audio Video Select AV Reset ENTER 3 A V Reset all Inputs Press side panel INPUT and VOL buttons at the same time and hold for 10 seconds 4 Initialize User Level Press remote MENU 1 2 3 ENTER If a user level reset does not correct the pr...

Page 39: ...73CA1 WD 73740 82 WD 82740 92 V45 WD 73840 WD 82840 WD 92840 V45CB WD 82CB1 BACK COVER REMOVAL ASSEMBLY LOCATIONS CHASSIS OPTICAL ENGINE ASSEMBLY DMD FAN LAMP PWB BALLAST Back Cover Removal 1 Remove screws A and remove the Lamp Cover 2 Remove screws B from behind the Lamp Cover 3 Remove Screws C 4 Remove the back cover from the TV C A B C ...

Page 40: ... Slide the chassis back and disconnect all cables 3 Remove the chassis from the cabinet A Rear Terminal Cover Removal To Replace PWB MAIN 1 Remove nut A from the ANT input 2 Remove screws B and C 3 Disconnect the connectors to the PWB SOUND V45 4 Remove the Terminal Cover from the chassis V45 Only A C V45 Only B ...

Page 41: ...ent See Data Transfer in Service Procedures section 1 V45C V45 V45CA Perform Restore Engine Data From Backup 2 V45 V45 V45CB Perform Restore Engine Data From Backup and Restore Geometry Data From Backup V45 V45 V45CB IMPORTANT REPLACEMENT NOTE If the customer has subscribed to VUDU Internet program provider the customer must be instructed to contact VUDU to re activate their account after the repl...

Page 42: ...ors indicated 4 To reinstall first connect the connectors Then slide the PWB under the Retaining Hooks Then press the rear edge of the PWB down onto the guide pins to engage the latch LATCH CJ1 Lamp Power CJ3 Lamp Control CJ4 HV to Lamp RETAINING HOOKS PWB BALLAST REMOVAL PL Lamp Power OPTICAL ENGINE ASSEMBLY REMOVAL 1 Disconnect the PL connector from the side of the PWB POWER 2 Disconnect the FB ...

Page 43: ...PTICAL ENGINE ASSEMBLY Disassembly 1 Loosen screw A to remove the Lamp Cartridge 2 Remove screws B and the lamp top cover 3 Remove screws C and the Engine Plate 4 Disconnect the Exhaust and Sirocco Fan Connectors J4 and J8 from the back of the Engine and loosen the wiring harnesses from the looms 5 Release the Latches to remove the Fan Holder B J4 Exhaust Fan LATCH J8 Sirocco Fan LATCH A FAN HOLDE...

Page 44: ...t Interior Components from the old Engine to the new Engine The Exhaust Fan must be installed so the Label is facing inside the Duct The Sirocco Fan must be installed so the Label is facing up with the Flanges aligned onto the Guide Pins SIROCCO FAN Label Facing Up Label Facing In EXHAUST FAN PWB LAMP DOOR SW Sirocco Fan Flanges Align Onto Guide Pins ...

Page 45: ...wiring through the guides as shown 3 Remove the Protective Lens Cover from the face of the Lens and place it on the old Engine for return 4 Install the Engine Assembly in the cabinet 5 After a new Engine is installed as necessary perform the Horizontal and Vertical Centering Adjustment and Manual Geometry Alignment as described in the Service Adjustments section of the Service Procedures 6 Perform...

Page 46: ...procedure should be performed in a dust free environment Wear lint free cotton or rubber gloves while performing this procedure 1 Remove Optical Engine Assembly 2 Remove screw A and remove the Lens Collar 3 Remove screws B 4 Lift out the Projection Lens 5 Install the replacement lens so the key is oriented towards the top as shown A KEY LENS B B B B ...

Page 47: ...s the Lens 4 Access the optical compartment by removing screws A and the Engine Base from the bottom of the Opti cal Engine 5 Remove the 3 screws B from the Color Wheel Assembly 6 Use the metal Handle to lift the Color Wheel from the compartment 7 For installation reverse the procedure above CAUTION Avoid touching or scratching the Color Wheel 8 After re assembly perform the Index Delay Adjustment...

Page 48: ...inching up and pulling away from the bottom Then remove the ORNAMENT CENTER using the same method 3 Remove screws A 4 Remove screws B around the rear edge of the screen bezel 5 During re assembly replace screws in their original locations B B B B B 73 INCH V45 73 ORNAMENT CENTER Speaker Cover ORNAMENT RIGHT ORNAMENT LEFT A A A V45C V45 V45 73 A Number and Location of Screws Varies by Model ...

Page 49: ...op bottom and side rails NOTE The number and location of screws vary by model 2 Lift the Fresnel Lens and Lenticular screen from the Bezel Front 3 During re assembly replace screws in their original locations SCREEN REPLACEMENT 73 Models continued Example Diagrams The number and location of screws varies by model ...

Page 50: ...while prying the Screen and Lens apart Use a slot type screw driver and remove the pressure sensitive double sided tape Lenticular Screen and Fresnel Lens Replacement 1 Apply LENS TAPE along the rear top edge of the Lenticular Screen 2 Place the Fresnel Lens on top of the Lenticular Screen and apply pressure along the top edge 3 Place the screens in the screen frame and reinstall the cushions top ...

Page 51: ...rs and Speaker Grill 4 Remove the Speaker Box and Pedestal by removing screws B 5 Remove screws C from the bottom front of the screen assembly 6 Remove screws D from the top rear edge of the cabinet NOTE Leave one screw secured at the top Then support the assembly to prevent it from falling while removing the remaining screw B B D D D C A A SPEAKERBOX B PEDESTAL V45 WD 82840 WD 92840 PEDESTAL V45 ...

Page 52: ...sun This may cause fire and heat related injuries Lenticular Screen and Fresnel Lens Removal 1 Remove four screws A in all four corners of the Screen Bezel 2 Remove the Screen Bezel components from the Screen Lens Assembly A X4 CORNER S T CORNER COVER HOLDER T CORNER CAP S L FRONT SCREEN LENS ASSEMBLY CORNER S T HOLDER SCREEN TOP R CORNER CAP TOP L LABEL S R HOLDER SCREEN B L CORNER B R HOLDER SCR...

Page 53: ...OTTOM SIDES HOLDER SCREEN LENTICULAR SCREEN LENS Label Position Facing Outside FRONT Lenticular Screen and Fresnel Lens Replacement 1 Place the Fresnel Lens on top of the Lenticular Screen with the labels facing outside as shown 2 Install the HOLDER SCREEN top bottom and sides as shown above 3 Reverse the disassembly procedure to reassemble and install the screen frame assembly NOTE The Lenticular...

Page 54: ...installed 4 See the Mirror Parts section for instructions on preparing a replacement mirror SUPPORT BRACKETS TOP BRACKET 73 Models MIRROR REPLACEMENT 82 92 Models 1 To access the Mirror for replacement remove screws A and lift away the Mirror Cover s Note 82 cover is 1 piece 92 cover is 2 pieces 2 The Mirror rests in place below the Mirror Cover 3 See the Mirror Parts section for instructions on p...

Page 55: ... Procedures are described assuming a Type 1 remote is being used However if a Type 2 remote is being used buttons can optionally be substituted as follows REMOTE CONTROL NOTE The Remote Controls differ between Type 1 and the Type 2 models Type 1 V45C V45 V45CA Type 2 V45 V45 V45CB TYPE 1 V45C V45 V45CA WD 73C11 WD 73640 WD 73CA1 TYPE 2 V45 V45 V45CB WD 73740 WD 73840 WD 82CB1 WD 82740 WD 82840 WD ...

Page 56: ... menu video and audio settings to the original factory default condition 1 Enter the Option Menu MENU 2 4 7 0 2 Select Initialize and ENTER Option Menu MENU 2 4 7 0 Initialize Power Restore OFF Production Mode OFF Digital Signal Strength 1 9 NetCommand Software Vxx xxx xx Total hours of use 0 Option Menu MENU 2 4 7 0 Initialize Power Restore OFF Production Mode OFF Digital Signal Strength 1 9 NetC...

Page 57: ...enu MENU 2 4 7 0 Initialize Power Restore OFF Production Mode OFF Digital Signal Strength 1 9 NetCommand Software Vxx xxx xx Total hours of use 0 Digital Signal Information Digital Signal Strength ENTER Tuner Frequency MHz 749 Signal Level 1 9 Modulation 8VSB Air Carrier Lock Locked SNR 29 09 Correctable errors 0 Un Correctable errors 0 1 Select Digital Signal Strength and ENTER ...

Page 58: ...rns no indication will be displayed initially Use CH UP CH DOWN or to toggle between patterns Press 2 or a second time and use CHAN UP CHAN DOWN or to access additional patterns Press 2 or again to toggle back to the previous patterns 3 Adjustment Overview Specific adjustment procedures follow 1 When in the Service Menu use the VIDEO button to toggle to adjustment desired indicated by the number a...

Page 59: ...lay will turn red while the data is saved MENU 2 4 5 7 2 CH DOWN or x2 Vertical Horizontal Position Adjustment 60 IDL 201 Data Adjustment SERVICE TVM MENU 2 4 5 7 2 CH DOWN or x3 VIDEO Index Delay Adjustment 1 HVPOS Data HPOS Adjustment SERVICE TVM Data VPOS 3 4 Horizontal and Vertical Position Adjustment 1 Enter the Service Menu MENU 2 4 5 7 2 Select the Geometry Test Pattern shown 2 CH DOWN or x...

Page 60: ...uttons to select MANUAL GEOMETRY ALIGNMENT ENTER The Manual Geometry Alignment Pattern will appear Manual Geometry Alignment MENU 2 4 5 7 0 MANUAL GEOMETRY ALIGNMENT ENTER Type 2 Data Transfer Geometry Menu MENU 2 4 5 7 0 RESTORE GEOMETRY DATA FROM BACKUP MANUAL GEOMETRY ALIGNMENT RESTORE INDEX DELAY SAVE ENGINE AND GEOMETRY SETTING TO BACKUP BACKUP AND RESTORE ISF SETTINGS RED ONLY AND GREEN ONLY...

Page 61: ...t use the CH UP or button to shift the cursor to the next point clockwise and repeat until all 16 points have been adjusted 4 After all 16 points are adjusted and the cursor is returned to the original starting point press ENTER then EXIT Correction will be automatically calculated and saved and the Manual Geometry Alignment will be terminated 5 Re activate the Manual Geometry Alignment The geomet...

Page 62: ...ough them until you find the one with the straight est Blue 4 3 Lines It may help to count the patterns as you cycle through them When you find the pattern with the straightest Blue 4 3 Lines press VIDEO The Top 16 9 Alignment Mode will then be activated as indicated by the Top Red 16 9 Line displayed in the pattern 3 In the 16 9 Alignment Mode pressing CH UP CH DOWN or will cause the geometry pat...

Page 63: ...play the 15 different preset amounts of correction to the Top Center Red Line When you find the pattern with the straightest line press VIDEO to proceed to the Center Red Line Repeat the process for the Center Line followed by the Bot tom Line Press ENTER then EXIT to exit and save the 4 3 and 16 9 data 5 Select the Geometry Test Pattern See HVPOS If Geometry is acceptable press EXIT to quit ...

Page 64: ...IT to quit DATA TRANSFER FUNCTIONS Data Transfer Service Data is duplicated and stored in separate EEPROMs in two locations PWB MAIN Working Service Data for TV operation OPTICAL ENGINE Backup Service Data The Optical Engine also includes data for the Index Delay setting for color wheel timing determined at the factory The PWB MAIN also includes User and or ISF settings The User ISF data is not ba...

Page 65: ...he individual input are reset except for the Listen To Language Balance and Closed Caption settings A V Reset all inputs When the audio or video performance or settings for more than one input seem to incorrect While viewing the TV press the front panel buttons INPUT VOL at the same time and hold for 10 sec All Audio and Video settings are reset to the factory de fault settings No other menu optio...

Page 66: ... perform a System Reset press and hold the Power button for 10 seconds Or unplug the set for 10 seconds then restore power NORMAL INDICATIONS STATUS LED Indication Condition Off Off Standby Green Power On Slow Blinking Green Power Off with Timer Set Power On normally Fast Blinking Green 1 to 3 minutes after Power Restored from AC interrupt Power On System Reset or Software update Boot up Wait for ...

Page 67: ...OR CODES Code Description Most Likely Cause 17 I2C Communication loss between TV Micro and Engine Loss of 12V from PWB POWER to Engine Check PE PE2 circuitry Engine Failure PWB MAIN Failure 18 Engine will not accept data ASIC READY signal from Engine is not detected LDVS circuitry Engine Failure 32 Lamp Cover is open Check CD connector 34 Lamp turns Off while the TV is playing Lamp Failure Lamp En...

Page 68: ...y cycle from one speaker to the next as indicated on screen Follow the instructions to manually cycle the tone 5 From the Data Transfer Geometry Menu use the buttons to SPEAKER FREQUENCY TEST The Speaker Frequency Test Menu will be displayed A tone will automatically cycle from one frequency to the next as indicated on screen Follow the instructions to manually cycle the frequency tone 6 Press EXI...

Page 69: ...DLP HOME CINEMA 69 CIRCUIT BLOCK DIAGRAMS ...

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