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                                                                    FILE NO. 330-200501




                           SERVICE MANUAL




                                   TDP- T80, TDP-T90,
                                  TDP-T91, TDP-TW90
                                   TDP-S80,TDP-S81,
                                           TDP-SW80
                                          TDP-MT200




                                                           Document Created in Japan Jan., 2005


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                    Preface
                    This manual is applied to T80/T90/T91/TW90/MT200 / S80 / S81 / SW80 DMD Projector with
                    digital imaging functionality based on Digital Micro-mirror Device (DMD) technology. Its the mode
                    of single Panel, 200 watt Lamp. The manual gives you a brief description of basic technical informa-
                    tion to help in service and maintaining the product.

                    Your customers will appreciate the quick response time when you immediately identify problems that
                    occur with our products. We expect your customers will appreciate the service that you offer them.


                    This manual is for technicians and people who have an electronic background. Send the product back
                    to the distributor for repairing and do not attempt to do anything that is complex or is not mentioned in
                    the troubleshooting.



                    NOTICE :
                    The information found in this manual is subject to change without prior notice. Any subsequent
                    changes made to the data herein will be incorporated in further edition.

                    Copyright 2005, January
                    All Rights Reserved
                    Manual Version 5.0
                    Document # 80S-G04-01A
                    Manual Version 1.0
                    Document # 80S-G04-01A




                                                                          I


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                      Table of Contents
                      Chapter 1            Introduction ...................................................................... 1-1
                                           Product Highlights .................................................................................. 1-1
                                           Machanical Specifications ...................................................................... 1-2
                                           Display Panel Specifications ................................................................... 1-2
                                           Electrical Specifications .......................................................................... 1-2
                                           Optical Specifications ............................................................................. 1-3
                                           Environmental Specifications .................................................................. 1-4
                                           Firmware................................................................................................. 1-4

                      Chapter 2            Disassembly Procedure .................................................. 2-1
                                           Tools Needed .......................................................................................... 2-1
                                           Removing Lamp Module ......................................................................... 2-1
                                           Removing Front Cover, Option Cover and Rear Cover Module .............. 2-2
                                           Removing Top Cover, Keypad Board, Speaker
                                           and Select Button Module ...................................................................... 2-4
                                           Removing Main Board, LVPS Module, Lamp Driver Module
                                           and Fan Module ...................................................................................... 2-6
                                           Removing Interrupter Switch, Engine Module, Fan Module
                                           and DMD Board ...................................................................................... 2-8
                                           Removing DMD Chip, Color Wheel and Photo Sensor Board .............. 2-10
                                           Removing Thermal Board, IR Sensor Board and Fan Duct .................. 2-11
                                           Removing Wireless Board (For TW90 Only) ......................................... 2-12

                      Chapter 3            Troubleshooting ............................................................... 3-1
                                           Equipment Needed ................................................................................. 3-1
                                           Main Procedure ...................................................................................... 3-2
                                           Main Procedure Description ................................................................... 3-7
                                           Factory Mode ........................................................................................ 3-10

                      Chapter 4            Function Test and Alignment Procedure ....................... 4-1
                                           Product ................................................................................................... 4-1
                                           Test Equipment ....................................................................................... 4-1
                                           Test Condition ......................................................................................... 4-1
                                           Test Display Modes & Pattern ................................................................. 4-2
                                           Inspection Procedure ............................................................................ 4-10
                                           Wireless Testing Procedure (For TW90 and SW80) ............................. 4-13
                                           Camera Setup Procedure (For T91 and S81) ....................................... 4-25


                                                                                     II



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                      Chapter 5            Firmware Upgrade Procedure ........................................ 5-1
                                           Equipment Needed ................................................................................. 5-1
                                           Setup Procedure ..................................................................................... 5-1
                                           Firmware Upgrade Procedure ................................................................ 5-6

                      Chapter 6            EDID Upgrade Procedure (For MT200 Only) .................. 6-1
                                           Equipment Needed ................................................................................. 6-1
                                           Setup Procedure ..................................................................................... 6-2
                                           EDID Upgrade Procedure ....................................................................... 6-2

                      Chapter 7            Exploded View and Replacement Parts List .................. 7-1
                                           Packing Assembly (TDP-T80/T90/T91/TW90) ....................................... 7-1
                                           Chassis Assembly (TDP-T80/T90/T91/TW90) ....................................... 7-3
                                           Packing Assembly (TDP-S80/S81/SW80) .............................................. 7-6
                                           Chassis Assembly (TDP-S80/S81/SW80) .............................................. 7-8
                                           Packing Assembly (TDP-MT200).......................................................... 7-11
                                           Chassis Assembly (TDP-MT200) ......................................................... 7-13




                                                                                  III



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                    Chapter 1


                    Introduction
                    1-1                  Product Highlights
                      Ite m                      De s cription                    T80   T90   T91   TW90   M T200   S 80   S 81   SW80
                              O ne panel 0.7 XGA / 12 DDR DMD projection
                                                         o
                        1                                                         V     V      V     V
                              system
                              O ne panel 0.55" WVGA / 12o DDR DMD
                                                                                                             V      V      V       V
                              projection system
                              200 Watt compact P- VIP Lamp (user replaceable,
                       2                                                          V     V      V     V              V      V      V
                              Lamp is driven by 200 Watt lamp driver)
                              Phoenix X66 200W SHP Lamp (user replaceable)                                   V
                              High efficiency cooling system with low system
                       3      acoustic noise level (35 dB(A) in 160W eco-         V     V      V     V       V
                              mode)
                              High efficiency cooling system with low system
                              acoustic noise level (35 dB(A) in 150W eco-                                           V      V       V
                              mode)
                       4      Light weight Approx. 2.8K gs.                       V     V      V     V       V      V      V       V
                              Manual focus projection, 1:1.2 mechanical zoom
                       5                                                          V     V      V     V       V      V      V       V
                              lens
                       6      True 1024 x 768 resolution, 16.7M True colors       V     V      V     V
                              True 854 x 480 resolution, 16.7M True colors                                   V
                              True 800 x 600 resolution, 16.7M True colors                                          V      V       V
                       7      With up, down, left, and right screen reverse       V     V      V     V       V      V      V       V
                              Build- in full screen N TSC / PAL / SECAM video
                       8      capability with S- video / Composite / component    V     V      V     V       V      V      V       V
                              through D- sub
                              SXGA / XGA / SVGA / VGA / MAC
                       9      compatibility with two D- Sub 15 pin VGA            V     V      V     V       V      V      V       V
                              connector input terminal
                       10     Auto image re- sizing to 1024 x 768 full screen     V     V      V     V
                              Auto image re- sizing to 854 x 480 full screen                                 V
                              Auto image re- sizing to 800 x 600 full screen                                        V      V       V
                       11     Auto detection of computer signal input             V     V      V     V       V      V      V       V
                              Auto Image synchronization (Auto- tracking /
                       12     frequency / position adjustment) by Auto- setting   V     V      V     V       V      V      V       V
                              key.
                       13     Freeze function.                                    V     V      V     V       V      V      V       V
                       14     Automatically saves adjustments for future use      V     V      V     V       V      V      V       V
                       15     IR remote control function                          V     V      V     V       V      V      V       V
                       16     Adaptive voltage control fan speed                  V     V      V     V       V      V      V       V
                              Auto & Manual Digital Vertical K eystone
                       17                                                         V     V      V     V       V      V      V       V
                              Correction
                       18     Built- in one 1W speaker                            V     V      V     V       V
                              Built- in one 2W speaker                                                              V      V       V
                       19     Camera                                                           V                            V
                       20     Wireless                                                               V                             V




                                                                                              1-1


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                    1-2                 Mechanical Specifications
                      Ite m        Spe cification                               De s cription               T80     T90     T91 TW90 M T200 S80 S81 SW80
                        1     Dimensions (WxHxD)      298x267x100.5 mm (main body)                          V       V       V        V       V        V        V         V
                        2     Weight                  Approx. 6.3 lbs. (2.86kg)                             V       V       V        V       V        V        V         V
                                                      - Advanced air flow
                                                      - Two fans with low system acoustic noise level
                                                      - Temperature control circuits with adaptive
                        3     Cooling System                                                                V       V       V        V       V        V        V         V
                                                        voltage control fan speed
                                                      - Maximum touch temperature follows UL 60950
                                                        regulation
                        4     Tilt Angle              6.8 degree with elevator mechanism                    V       V       V        V       V        V        V         V
                        5     K eystone correction    +/- 16 degree Vertical                                V       V       V        V       V        V        V         V
                                                      Lamp power supply shut off automatically when door
                        6     Lamp Door Protection                                                          V       V       V        V       V        V        V         V
                                                      open




                    1-3                 Display Panel Specifications
                      Ite m        Spe cification                               D e s cription              T80     T90     T91     TW90 M T200 S80           S 81     SW80
                        1     Type                    DMD (0.7 12 degree DDR XGA Digital Mirror Device)     V       V       V        V
                                                      DMD (0.55" 12 degree DDR WVGA Digital Mirror
                                                                                                                                             V        V       V          V
                                                      Device)
                        2     N umber of active dots 1024(H) x 768 (V)                                      V       V       V        V
                                                      854(H) x 480(V)                                                                        V
                                                      800(H) x 600(V)                                                                                 V       V          V




                    1-4                 Electrical Specifications

                      Ite m          Spe cification                               De s cription              T80     T90     T91     TW90    M T200   S 80        S 81   SW80
                                                      - Input AC 100- 240V~, 3A, 50- 60 Hz with PFC
                        1     Power Supply            - Variance FAN speed control (Depend on temperature       V       V       V        V       V        V        V         V
                                                      variant)
                                                      - Computer Input (VGA)
                        2     Terminals               - Composite Video Input (x 1)                             V       V       V        V       V        V        V         V
                                                      - S- Video Input (Standard x 1)
                                                      -   Computer Analog Input (VGA x 1)
                                                      -   Component Video Input (RCAx 3)
                              Terminals & I/O
                       3- 1                           -   S Video Input (Mini- Din 4- Pin x 1)                  V       V       V        V       V        V        V         V
                              connector
                                                      -   Composite Video Input (RCA x 1)
                                                      -   RS232 (Mini- Din 8pin x 1)
                              Terminals & I/O
                       3- 2                           - Digital Video with HDCP Input (DVI- D)                                                   V
                              connector




                                                                                                  1-2


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                      Ite m        Spe cification                                   De s cription          T80   T90   T91 TW90 M T200 S80 S81 SW80
                                                      - Hsync Frequency 15~100 kHz
                                                      - Vsync Frequency 43~85 Hz
                                                      - Video Signal RGB (PC)
                                                        1.) Analog RGB : 0.7 Vp- p, 75 ohm
                                                        2.) Analog RGB : 1Vp- p, 75 ohm
                                                        3.) Sync. Signal
                       4      Input signal spec.           Separate Sync : (HV) TTL level (bi- polarity)   V     V     V      V     V    V   V       V
                                                           Composite Sync : TTL level (bi- polarity)
                                                           Sync- on- green : negative sync. 0.3Vp- p
                                                      - Video
                                                        1.) Composite video : 1Vp- p, 75 ohm
                                                        2.) S- video Luminance : 0.714Vp- p, 75 ohm
                                                        3.) Chrominance : 0.286Vp- p, 75 ohm
                                                      - Standards :
                                                        N TSC : M(3.58 MHz), 4.43 MHz
                       5      Video Compatibility       PAL : B, D, G, H, I, M, N                          V     V     V      V     V    V   V       V
                                                        SECAM : B, D, G, K , K 1, L
                                                        HDTV : 480i / 576i ; 480p / 576p ; 720p ; 1080i
                                                      By using DDP2000 Chips to compress SXGA image into
                       6      XGA / Compression                                                            V     V     V      V          V   V       V
                                                      XGA display
                                                      By using "DDP2000" Chips to compress SXGA image
                              SVGA / Compression                                                                                    V
                                                      into WVGA display




                    1-5                  Optical Specifications
                      Ite m        Spe cification                                  D e s cription          T80   T90   T91   TW90 M T200 S80 S81 SW80
                                                      F#2.4- 2.65 @ 2.4m, f=28.04~35.59mm @ 2.4m.
                        1     Projection lens                                                              V     V     V      V     V
                                                      1.2X Manual Zoom Lens.
                                                      F#2.4- 2.81 @ 2.4m, f=22.34~26.59mm @ 2.4m.
                                                                                                                                         V   V       V
                                                      1.2X Manual Zoom Lens.
                       2      Projection Image Size   Adjustable from 24.6" to 246" (Diagonal)             V     V     V      V     V    V   V       V
                       3      Throw Distance          1.2m~10m                                             V     V     V      V     V    V   V       V
                       4      Throw Ratio             2 .0 ~ 2 .4 ; 1 0 0 " / 4 .0 6 m ~ 4 .8 8 m          V     V     V      V     V    V   V       V
                       5      Brightness              1850(Typical) ; 1600 (Minimum)                       V     V     V      V          V   V   V
                                                      650(Typical) ; 510 (Minimum)                                                  V
                                                      Full on / off 1600:1 (Typical) 1000 : 1 (Minimum)
                       6      Contrast                                                                     V     V     V      V          V   V   V
                                                      JBMA 1600 : 1 (Typical) 1000 : 1 (Minimum)
                                                      Full on / off 2500:1 (Typical) 1500 : 1 (Minimum)                             V
                       7      Uniformity              JBMA 75% (Typical) 60% (Minimum)                     V     V     V      V         V    V   V
                                                      JBMA 80% (Typical) 65% (Minimum)                                              V
                       8      Lamp                    O SRAM E17.5 200W P- VIP Lamp                        V     V     V      V
                                                      Phoenix X66 200W SHP Lamp                                                     V
                                                      Philips E19 200W UHP Lamp                                                          V   V       V




                                                                                                    1-3


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                    1-6                  Environmental Specifications
                      Ite m        Spe cification                          De s cription                         T80    T90     T91 TW90 M T200 S80 S81 SW80
                                                     O perating : 0~35 C, 80% humidity, non- condensing
                                                                     o
                        1     Temperature                                                                        V         V     V   V       V       V       V        V
                                                     Storage : - 20~60oC, 80% humidity, non- condensing
                                                     O perating : 0~35oC, 80%RH (Max.), non- condensing
                       2      Maximum Humidity                                                                   V         V     V   V       V       V       V        V
                                                     Storage : - 20~60oC, 80%RH (Max.), non- condensing
                                                     39 dB(A) (in 216W mode, at 23+/- 2oC)
                       3      Acoustic noise level   35 dB(A) (in 160W eco mode, at 23 +/- 2oC)                  V         V     V   V
                                                     while color wheel are running with 7200 rpm
                                                     38 dB(A) (in 200W mode, at 23+/- 2oC)
                                                     35 dB(A) (in 160W eco mode, at 23 +/- 2oC)                                              V
                                                     while color wheel are running with 7200 rpm
                                                     39 dB(A) (in 200W mode, at 23+/- 2oC)
                                                     35 dB(A) (in 150W eco mode, at 23 +/- 2oC)                                                      V       V        V
                                                     while color wheel are running with 7200 rpm
                                                     O perating : 0oC~35oC for height : 0~2,500 ft
                                                                 0oC~30oC for height : 2,500~5,000 ft
                       4      Altitude                           0oC~30oC for height : 5,000~10,000 ft           V         V     V   V       V       V       V        V
                                                                           fan speed adjusted by O SD menu
                                                     Storage : 0~40,000 ft
                       5      MTBF                   O perating more than 10,000 hours                           V         V     V   V       V       V       V        V
                       6      Reliability Test       12,000 hours                                                V         V     V   V       V       V       V        V




                    1-7                  Firmware
                      Ite m                             D e s cription                             T80       T90       T91     TW90 M T200   S 80    S 81        SW80
                        1      Firmware A                                                            V
                        2      Firmware B                                                                    V         V        V
                        3      Firmware C                                                                                             V
                        4      Firmware D                                                                                                        V       V        V




                                                                                               1-4


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                    Chapter 2


                    Disassembly Procedure
                    Tool Needed


                                                           Screw Bit (+) : 107 (Size : 100mm)

                                                                                   Ball-endhex-key 2mm
                                                  Hex Sleeves 5mm

                                                      Screw Bit (+) : 102 (Size : 75mm)


                                                       Hex Sleeves 8mm




                    2-1            Removing Lamp Module
                           1.      Loosen one screw to remove Lamp Cover,
                                   and then loosen 2 screws to remove Lamp Module.



                                                                                                  Screw Bit (+) : 107




                                                                                                          Lamp Module




                                                                             2-1


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                    2-2            Removing Front Cover, Option Cover and Rear
                                   Cover Module

                           1.      Unscrew 4 screws to remove Front Cover.




                                                                                                    Ball-endhex-key 2mm




                                                                   Front Cover




                           2.      Loosen 2 screws to remove Option Cover.




                                                                                                   Screw Bit (+) : 107




                                                           Option Cover (Blank) PC + ABS - CAOLA




                                                                            2-2


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                             3.      Unscrew 6 hex screws and 2 screws to remove Rear Cover Module.




                                                                                                Screw Bit (+) : 102




                                                                            Rear Cover Module




                                                                      2-3


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                    2-3            Removing Top Cover, Keypad Board, Speaker
                                   and Select Button Module

                           1.      Press A point first and then press B point to separate Top Cover and Main Body carefully.




                                                  A                              B




                           2.      Unplug FFC cable to remove Top Cover.




                                                                           2-4


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                           3.      Unscrew 6 screws to remove Keypad Board, Speaker and Select Button Module.




                                            Speaker


                                                           Keypad Board
                                                                                            Screw Bit (+) : 107




                                                                                     Select Button Module




                                                                      2-5


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                    2-4            Removing Main Board, LVPS Module, Lamp
                                   Driver Module and Fan Module
                           1.      Unplug all cables from Main Board and Unscrew 5 screws to remove Main Board.




                                                                                    Screw Bit (+) : 107




                           2.      Tear off Mylar and then unscrew 5 screws to remove LVPS Module.




                                                                                   Screw Bit (+) : 107




                                                           Mylar




                                                  LVPS Module


                                                                        2-6


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                           3.      Unscrew 3 screws to remove Lamp Driver Module.




                                                                                            Lamp Driver Module


                                                                                                Screw Bit (+) : 107


                           4.      Unscrew 2 screws to remove Fan Module.




                                                                                 Screw Bit (+) : 107




                                                                                    Axial Fan Module (70x70x20mm)




                    Note : TW90-Add one cable to link wireless function from Main Board of TW90. (As the picture display)




                                                                     2-7


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                    2-5            Removing Interrupter Switch, Engine Module,
                                   Fan Module and DMD Board
                           1.      Unscrew 2 screws to remove Interrupter Switch.


                                                                                           Screw Bit (+) : 102




                                                                                                  Interrupter Switch


                           2.      Tear off Deflector Tinplate and then unscrew 5 screws to remove Brackets.

                                                                                              Screw Bit (+) : 102




                           3.      Unscrew 6 screws of the red rectangle area and then remove Engine Module.




                                                                                                       Engine Module

                                                                                Screw Bit (+) : 107



                                                                          2-8


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                           4.      Remove Fan Module.




                                                                                  Fan Module
                                                                                  (50x50x20mm)




                           5.      Unscrew 4 screws to remove Heat Sink.

                                                                               Screw Bit (+) : 107




                                                                                      Heat Sink



                           6.      Unscrew 4 hex screws to remove DMD Board.

                                                                                               DMD Board




                                                                                      Hex Sleeves 8mm




                                                                      2-9


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                    2-6            Removing DMD Chip, Color Wheel and
                                   Photo Sensor Board
                           1.      Remove DMD Chip from Engine Module.




                                                                                                     DMD Chip

                           2.      Unscrew one screw to remove Color Wheel and Photo Sensor Board.
                                                                                                         Color Wheel




                                                                                                     Photo Sensor Board

                           3.      Unscrew 3 screws to remove Zoom Ring and Focus Ring from Engine Module.




                                                                                   Zoom Ring             Focus Ring




                                                                       2-10


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                    2-7            Removing Thermal Board, IR Sensor Board and
                                   Fan Duct
                           1.      Unscrew one screw to remove Thermal Sensor Board.




                                                                                         Screw Bit (+) : 107




                                                                                         Thermal Board




                           2.      Turn over Bottom Cover Module and then unscrew one screw to remove IR Sensor Board.




                                                                                                     IR Sensor Board
                                                                             Screw Bit (+) : 107

                           3.      Unscrew one screw to remove Fan Duct from Bottom Module.




                                                                                                   Fan Duct




                                                                                                       Screw Bit (+) : 107
                                                                                       one screw



                                                                     2-11


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                    2-8            Removing Wireless Board (For TW90 Only)
                           1.      Unscrew 2 screws to remove Option Cover.




                                                                              Option Cover




                           2.      Pull out the Wireless Board.




                                                                      2-12


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                    Chapter 3


                    Troubleshooting

                    3-1               Equipment Needed
                               -             T80 / T90 / T91 / TW90 / MT200 / S80 / S81 / SW80 Projector
                               -             PC (Personal Computer)
                               -             CD Player, DVD Player
                               -             VGA to VGA Cable
                               -             Chroma

                              After changing parts, check the below information.
                              For example : Change the M/B, then check the Version Update, Color Wheel Delay, RGB Level, Frequency,
                                            Phase, Reset Lamp Use Time and Reset All.
                                     Update                                                                           Keystone
                                                           Color                                 Reset
                                               Version             RGB                                                Calibration
                                                           Wheel           Frequency   Phase   Lamp Use   Reset All
                               Change          Update              Level                                               (For T90 &
                               Parts
                                                           Delay                                 Time
                                                                                                                        Series)

                                     M/B         V          V       V         V         V                    V            V

                                   Firmware      V          V       V         V         V                    V            V

                                    DMD
                                                            V       V                                        V
                                    Board

                                    Engine                  V

                                   Lamp
                                                                                                  V
                                   Module

                                    LVPS

                                    Lamp
                                    Driver


                               1.) Version Update : Refer Chapter 3-4 Hot Key, item 5
                               2.) Color Wheel Delay : Refer Chapter 3-4 Hot Key, item 7
                               3.) RGB Level : a. Press "Menu" button on the keypad to enter OSD function.
                                               b. Press "UP" or "Down" button to select Image Adjustment Menu.
                               4.) Frequency : Press "Setup" button, then adjustment from "Frequency" mode.
                               5.) Phase : Press "Setup" button, then adjustment from "Phase" mode.
                               6.) Reset Lamp Use Time : Refer Chapter 3-4 Hot Key, item 3
                               7.) Reset All : Press "Menu" --> Default Setting Menu.




                                                                             3-1


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                    3-2            Main Procedure

                                                           Start



                                      Connect Power Cord, PC, Video, S-video, &
                                      Audio Signal, and then press on/standby
                                      button.(Lamp LED will flicker)



                                                     Is on LED Light On?   No     A. Power
                                                                                  Troubleshooting
                                                              Yes
                                                                           No     B. Image Performance
                                                      Is Image OK ?
                                                                                  Troubleshooting
                                                               Yes

                                                                           No     C. OSD Function
                                                   Is OSD function OK ?
                                                                                  Troubleshooting
                                                               Yes
                                                                           No     D. Audio
                                                      Is Audio OK ?
                                                                                  Troubleshooting
                                                              Yes

                                                       Is Remote           No     E. Remote Control
                                                      Control OK?                 Troubleshooting

                                                               Yes

                                                                           No     F. Camera
                                                       Is Camera OK?              Troubleshooting
                                                                                  (For T91 and S81)
                                                               Yes

                                                                           No     G. Wireless
                                                       Is Wireless OK?            Troubleshooting
                                                                                  (For TW90 and SW80)
                                                               Yes

                                                       No Fault Found



                                                             End




                                                                           3-2


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                    3-2.1         A. Power Troubleshooting

                                 Start



                               Is Power          No             Lamp            No                                     Change
                                                                                          Reassemble        No
                             LED indicator ?               Cover assembly                                             Main Board
                                                                                          lamp Cover
                                                               OK ?

                                      Yes                                                                                     No
                                                                      Yes
                                                                                                                        Change
                                                                                                                      Lamp Driver


                                                                                                                              No

                                                                                                                        Change
                                                                                                                         LVPS


                              Is Lamp LED               No         Change            No     Change          No        Change
                             indicator OK ?                      Lamp Module               Main Board                DMD Board

                                     Yes
                                 Is Fan            No                                                                           Change
                                                                Is System Fan          Yes         Is Optical Fan       Yes
                              LED indicator                                                                                    Main Board
                                                                   working ?                          working ?
                                  OK ?
                                                                 No                                 No
                                                                                Change System                       Change Optical
                                      Yes
                                                                                     Fan                                Fan

                                Is Temp            No                                              No             Change
                                                                 Is Intake Thermal sensor
                              LED indicator                                                                  Thermal Board
                                                                         working ?
                                  OK ?

                                                                              Yes

                                                                                             Yes                               Yes    Change
                                                                       Is System Fan                     Is Optical Fan
                                                                          working ?                         working ?                Main Board

                                                                        No                                  No
                                                                                       Change System                      Change Optical
                                                                                            Fan                                Fan
                                      Yes
                                                             Change     No                                   No
                                                   No                          Change    No
                                                                                                   Change            Change No Change
                               Is Lamp lit ?                 Lamp                                                              DMD Board
                                                                             Lamp Driver           LVPS             Main Board
                                                             Module
                                      Yes

                                   End




                                                                               3-3


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                    3-2.2          B. Image Performance Troubleshooting


                                   Start


                                                                                                                   Change            Change
                                                    No           Cable connec-        No        Change      No               No
                              Have image ?                                                                         DMD                DMD
                                                                 tions are OK?                   M/B
                                                                                                                   Board              Chip
                                       Yes


                              Have garbage          Yes           Change         No            Change
                                pattern ?                          M/B                       DMD Board

                                       No


                              Have bar at the              Yes        Change
                            right & left side of                     DMD Board
                                  image ?

                                       No


                                                     No              Change
                              Uniformity OK ?                     Engine Module

                                       Yes
                                                             Color wheel index
                                                   No      delay Adjustment      No                    No    Change   No    Change
                               Is color OK ?                                                Change
                                                         Procedure                                          DMD Board       Engine
                                                      *Refer to Chapter                      M/B
                                                                                                                            Module
                                                     3-4, item 7
                                       Yes


                              Dot defect isn't           Yes         Change
                            compliant with the                      DMD Chip
                                 spec.?

                                        No

                                                   Yes           Adjust          No           Change
                              Have line bar ?
                                                               frequency                       M/B

                                        No

                                                   Yes           Adjust      No             Change
                               Have noise ?
                                                                 phase                       M/B

                                       No

                                    End




                                                                                      3-4


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                    3-2.3         C. OSD Function Troubleshooting


                                Start


                                     Yes



                                                  No         Is Keypad       No     Change      No    E. Remote Control
                          Does OSD show
                               up ?                          FFC OK ?             Keypad FFC          Troubleshooting

                                                                  Yes
                                           Yes
                                                                             No    Change      No
                                                           Is Keypad OK?                             Main BD
                                                                                  Keypad BD

                                                                  Yes


                          Can OSD function         No                      No      Change
                                                              Keypad
                           be adjusted ?                                          Main board

                                     Yes

                            Can OSD data           No       Change
                             be saved ?                    Main board

                                     Yes

                                 End




                                                                           3-5


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                    3-2.4         D. Audio Troubleshooting

                                  Start




                                Can hear            No         Change        No      Change      No   Change
                                sound ?                     Keypad Board            Main Board        Speaker

                                      Yes



                            Sound is clear           No       Change        No      Change
                            without noise ?                   Speaker              Main Board



                                      Yes


                                  End




                    3-2.5         E. Remote Control Troubleshooting


                                                Start




                                               Replace          Yes
                                             the battery

                                                    No

                                          Change Remote         Yes
                                             Controller

                                                    No

                                           Change IR            Yes
                                           Receiver Board

                                                    No

                                                              Yes
                                            Change M/B                     End




                                                                             3-6


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                    3-3            Main Procedure Description
                    A.     Power Troubleshooting
                           1.) No Power
                               -     Check the Power Cord.
                                   -     Check the Lamp door.
                                   -     Ensure the keypad cable is well connected.
                                   Judge
                                   -     Change LVPS or Main BD
                           2.)     No Light
                                   Lamp LED Indicator Fail
                                   -    Check all wires are well connected inside.
                                   -    Check Lamp Module
                                   Temp LED Indicator Fail
                                   -    Turn on Main Power again.
                                   -      Check the Fan Module.
                                   -      Check the Thermal BD.
                                   -     Check the Thermal Switch.
                                   Judge
                                   -      Change Lamp Driver or Main BD.

                    B.     Image Troubleshooting
                           1.)     No image on the screen.
                                   -    Ensure the signal cable and source are working fine.
                                   -     Press Input button to re-catch the signal again..
                                   Judge
                                   -     Change Main BD or DMD BD or DMD Chip
                           2.)     The image displayed with color issue
                                   -      Ensure the signal cable and source are working fine.
                                   -      Check the I/O connector
                                   -      Check Main BD if the image displayed without color abnormal issue when you input the
                                          signal with other ports.
                                  -       Check the photo sensor BD if the image displayed with color flicking issue.
                                  Judge
                                  -     Adjust the RGB offset. *Note
                                  -     Adjust the color wheel index delay. (Refer to 3-4.5 CW index delay menu)
                                  -     Change Main board.
                                 Note :
                                 Press Menu button to enter setting display. Adjust the R-level, G-level, B-level.


                                                                          3-7


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                         3.) The image displayed with picture noise issue.
                                 -     Press INPUT button to re-catch the signal again.
                                 -     Check the signal cable.
                                 -     Check Main BD if there is no picture noise issue when you input the signal with the
                                       other connector.
                                   Judge
                                   -     Change Main board.

                         4.) The image displayed with Dead Pixel/Line issue.
                                   -     Check the DMD chip if the bright dot issue when you input the signal.
                                   Judge
                                   -     Change DMD board or DMD chip.


                         5.) The image displayed with focus issue.
                                 -     Adjust the focus ring.
                                   -     Ensure the projection distance is in spec.
                                   Judge
                                   -      Change Optical Engine Module

                         6.) The image displayed with flicker issue.
                                   -      Check the Lamp Module
                                   -      Ensure the signal cable works well.
                                   -     Press INPUT button to re-catch the signal again.
                                   Judge
                                   -      Change Main board or DMD board.

                         7.) The image displayed with uniformity issue.
                                   -     Ensure the projection lens is clean.
                                   -     Replace the lamp if the brightness is less than spec.
                                   Judge
                                   -     Change the Optical Engine Module.


                         8.)       The image displayed with line bar issue.
                                   -     Check if the line bar issue that can be fixed by Frequency function of OSD menu or not.
                                   Judge
                                   -     Change Main board.




                                                                             3-8


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                    C.       Audio Troubleshooting
                         1.)    No Sound
                                -     Press VOL- or VOL+ button on the keypad and check if the mute function is
                                      enabled.
                                   -      Check Main BD if there is audio sound output when you input the audio signal with
                                          other ports.
                                  -       Check the speaker
                                  Judge
                                   -      Change Keypad BD

                         2.)       The audio sound is output with noise
                                   -     Check the sound volume.
                                  -   Check the speaker.
                                Judge
                                   -      Change Main Board.


                    D. Remote Control Troubleshooting
                       1.)  The OSD menu cannot show on the screen when you press the menu button on the remote
                                   controller.
                                   -     Replace the new battery if there is no laser output when you press the laser button on
                                         the remote controller.
                                   -      Replace a new remote controller if there is OSD menu showing on the screen when you
                                          press the menu button on the keypad.
                                   -      Check the Main BD if there is no function when you press the function button on the
                                          keypad.
                    E.    Wireless Troubleshooting (for TW90 and SW80)
                         1.)    Execute Reset all (in OSD menu) if the wireless function is not activated.
                                Note: Normally the background color is blue when the projectors are in standby mode (no any
                                      input source)
                         2.)    Check the PC settings.
                         3.)    Check the Projector setting. (Refer to Chapter 4, P4-10 Wireless Testing Procedure)
                                   Judge
                                   -     Change Wireless Card and Wireless BD.

                    F.    Camera Troubleshooting (for T91 and S81 )
                         1.)   Check if the Projector is normal. (Note : Dont connect Camera for testing.)
                         2.)       Check if VGA Cable is OK.
                                   Judge
                                   -     Change Camera Module.

                                                                          3-9


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                    3-4            Factory Mode
                    Hot Keys to enter Factory Mode (T90 Series and S80 Series) (For TW90, it should have signal
                    input)
                    [Press Volume button, set value to 9 and press On/Standby, Input and Setup button
                    simultaneously.]
                    Repeat the above-mentioned procedure in the bracket three times.

                    Hot Keys to enter Factory Mode (MT200)
                    [Press the ON/STANDBY button and then press Set up, Input and Up (                            ) buttons
                    simultaneously.]
                    Repeat the above-mentioned procedure in the bracket three times.


                    1. Press INPUT and Up button simultaneously to enter the keystone calibration menu.
                    2. Press INPUT and Down button to enter Burn-in mode menu.
                    3. Press INPUT and Right button to enter test pattern menu.
                    4. Press Return and Up button to enter Display the service status.
                    5. Press Return and Left button to enter Display the CW index delay menu.
                 



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