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MT700

Service Manual

29

5. ADC setting

5.1 YPbPr input

z

Timing: 480P

z

Pattern: SMPTE (DVD Disk)

z

Switch 0 or 7.5 IRE (Projector and DVD recorder’s IRE must be synchronized)

z

The ideal environment to adjust the brightness and contrast value is in the dark room.

z

Adjust the ADC brightness value to make the left column to darkest to get the best
brightness result.

z

There is no adjustment for contrast, use the default value.

z

Adjust Pb offset and Pr offset to all step color is same.

Adjust the left column
to darkest

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Содержание TDP-MT700

Страница 1: ...SERVICE MANUAL FILE NO 330 200503 DLP PROJECTOR TDP MT700 Document Created in Japan May 2005 ...

Страница 2: ...s 3 3 Specification 4 4 Circuit Operation 8 5 Alignment Procedure 23 6 Trouble Shooting Guide 34 Appendix A Exploded View 40 Appendix B Spare Parts List 46 SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT CAUTION BEFORE SERVICING THE PROJECTOR READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 3: ...Excessive operation of lamps beyond the rated life could cause them to explode on rare occasions 3 Never replace the lamp assembly or any electronic components unless the projector is unplugged 4 To reduce the risk of electric shock do not disassemble this appliance Take it to a qualified technician when service or repair is required Incorrect re assembly can cause electric shock when the applianc...

Страница 4: ...mes too hot 2 Never touch the lamp bulb with a finger or anything else Never drop it or give it a shock They may cause bursting of the bulb 3 This projector is provided with a high voltage circuit for the lamp Do not touch the electric parts of power unit when turn on the projector 4 Do not touch the exhaust fan during operation ...

Страница 5: ...emish 1 1 5 Full white pattern test Criteria not see special color spot 1 5 2 Light Leakage out of Active Area Condition the projection image diagonal60 Test pattern Full Black Criteria 0 25Lux outside active area 1 5 3 Reflective Edge Don t care 1 5 4 Blue Edge Condition projector distance 3m and the projection image diagonal 100 Test Pattern Factory Pattern Criteria Color coordinate x y 0 01 dif...

Страница 6: ... See Appendix D 3 0 Mechanical Specification In detail refer to C510 3 1 Dimensions 366 x 311 x 136 mm L x W x H including adjust foot 3 2 Weight 5 65 0 05Kgs 3 3 Security Slot Kensington compatible slot 150N break away force 3 4 Lens Cover YES 3 5 Feet Two adjustable front foot for tilt 0 6 4 0 Packaging Detail refer to C309 Packing Description 4 1 Outside Dimensions 537 x 520 x 260 mm L x W x H ...

Страница 7: ...Appendix B 8 0 Reliability 8 1 MTBF 20000 hours except for DMD chip lamp Fans and Color Wheel 8 2 Lamp Lifetime Typical 2000 hours 50 brightness maintenance 9 0 Power Requirements Adhere to Appendix F 9 1 Power Supply Normal VAC 100 240 Auto switch 50 60Hz 3 Wire Grounded Max 385W 9 2 Power Consumption Standby 15W 9 3 Power Connector Comply with safety regulation 10 0 Panel Specification 10 1 Type...

Страница 8: ...d Power indicator is Red and Green 14 4 Electric Keystone Correction 12 14 5 Onscreen Menu Should be in 7 languages English French German Italian Spanish Portuguese and Japanese 14 6 Color temperature Lamp Native Lamp Native Warm 6500 K x 0 315 y 0 315 Middle 8500 K x 0 296 y 0 316 Cool 9300 K x 0 280 y 0 300 User 1 Default same Middle color temperature User 2 Default same Middle color temperature...

Страница 9: ...ard supports the de interlace function Besides the boards provide the color wheel driver the lamp enable functions and DMD chip control function This video projector can accept the following six kinds of input sources 1 HDMI 2 RGBHV 3 Component 1 4 Component 2 5 S Video 6 Composite As shown in the system block diagram there are seven boards in the system They are 1 Main Board 2 DMD Chip Board 3 Th...

Страница 10: ...t SDRAM x3 2M x 32 SDRAM 2M x 32 CPU RDC2021 SRAM 128K x 16 FLASH 256K x 16 CHIP BOARD C W sensor board Ballast 250W Lamp LAMPEN signal LAMPLIT signal Series EEPROM 16K IIC Bus RS232 Driver Reciver SP232E TXD RXD IIC Bus DMD Rear IR Reciver on Main BD Front IR Reciver Board Board 3 3V 5V 12V Keypad Board EEPROM EDID 2K DDC Link Main Board Power Thermal Sensor Board De Interlacer FLI 2310 HD2 DMD D...

Страница 11: ...mponent 2 inputs the input signals will go to video decoder automatically The S Video and Composite video inputs can accept NTSC PAL SECAM signals 4 Both graphic and video port signals will be processed by the scalar Oplus RM 103 The scalar will convert input signals into RGB 8 8 8 24 bit signals by downscaling or up scaling 4 1 1 2 Graphic Port Input circuit 1 Mux is high bandwidth multiplexers A...

Страница 12: ... Mux 2 AD8183 HDMI Receiver SII9993 EDID EEPROM 2K YPBPR 1 YPBPR 2 RGB RGBHV Comp 1 Comp 2 HDTV_CTRL PC_CTRL U2 SCHMITT NAND GATE 74AHCT132 Hs Vs RGBHV To Scalar Hsync Vsync D_INA 0 23 D_HSYNC D_VSYNC DIN_CLK HDMI PC_CTRL Graphic Port Input Circuits ...

Страница 13: ...sive output with 31 5K Hsync and 27MHz pixel clock The SDRAM 2M x32 U11 is needed when FLI 2310 converts interlace video input to progressive video output VIDEO DECODER SAA7118 S VIDEO COMPOSITE VIDEO DeInterlace Processor FLI 2310 YCBCR 4 2 2 ITU R BT 656 Format YCBCR 4 2 2 Format 16 Data Bits 8 Data Bits SDRAM 2M x 32 Comp 1 480i 576i Comp 2 480i 576i DI_INA 2 9 DI_HSYNC DI_VSYNC DI_27M_CLK IIC ...

Страница 14: ... IC MAX6660 2 Scalar Rembrandt 103 Rembrandt 103 can process dual channel data graphic port and video port data It receives data with YCBCR 4 2 2 video input as well as RGB 8 8 8 graphic input Rembrant 1 s processing also needs to install 3 set of SDRAM 3 EEPROM The series EEPROM AT24C128 128k stores the system information included factory and user data 4 RS232 Driver Receiver This projector can u...

Страница 15: ...ts RGB 4 4 4 signals from the scalar and formats the signals into XGA DMD acceptable signals DDP1000 is designed to work in conjunction with a single 128Mbit RDRAM and an associated Direct Rambus Clock Generator DDWG chip 2 Flash The micro controller of DDP1010 operates entirely from a single external Flash device U4 The Flash device provides micro code configuration parameters and PWM sequences 3...

Страница 16: ...d ballast iv Fan 4 DMD Fan for cooling the DMD chip 1 Fan controller MAX6660 The four fan controllers are used for controlling the four fans independently Each fan has a FANSPIN output to each fan controller The fan controller can use this signal to detect if the fan is spinning or not If the fan stops the CPU will turn off the DMD RESETZ and PWRGOOD signals then the DMD system and Lamp will be tu...

Страница 17: ... V12 FAN1_G FANSPIN1 J21 To BLOWER FAN U63 FAN CONTROLLER MAX6660AEE V12 FAN3_G FANSPIN3 J22 To MAIN FAN U64 FAN CONTROLLER MAX6660AEE V12 FAN4_G FANSPIN4 J22 To DMD FAN J19 TO THERMAL SENSOR BOARD Inlet J7 TO THERMAL SENSOR BOARD ON LAMP BOX FAN1_E FAN1_B FAN4_E FAN4_B IIC SDA SCL IIC level shift 9515 FAN Control Block ...

Страница 18: ...Block Diagram 4 1 3 2 General specification Input voltage AC 90 264V Input Frequency 47 63Hz Input power 330W max The power circuit shall supply DC power outputs as followings Outpu t Nominal MAX Load Current 1 375 V 0 7 A 2 12 V 0 8 A 3 3 3 V 1 5 A 4 5 V 0 8 A ...

Страница 19: ...ctor To be used the High μFerrite core and the inductance is high mH or more 10mH 2 DM inductor To be used the low μ Iron poweder core and the inductance is lower 10uH or more 100uH 3 X capacitor To be placed between L and N and the capacitance is usually 0 1uF to 1uF 4 Y capacitor To be placed L G and N G and we often pair the CY1 and CY2 for EMI ...

Страница 20: ...e is rectified by a bridge and the rectified voltage delivered the the boost converter This using a switching technique boost the recdtified input voltage to a regulated DC output voltage Vo The boost converter consists of a boost inductor L a controlled power switch Q a catch diode D an output capacitor Co and a PFC controller PFC s goal id to shape the input current in a sinsoidal fashion in pha...

Страница 21: ...AGRAM 4 1 5 1 Snubber circuit The snubber circuit which is reduce the spike voltage This had its benefits in the Safe Operating Area SOA of the semiconductors and it lowers the spectral content if any radiated RFI thus radiating less RF energy ...

Страница 22: ...he output 4 1 5 3 Rectifiers Circuit Choosing the best rectifiers for any switching power supply design is an important process The rectifiers are the largest source if loss within switching power supplies To choose the best rectifier one must understand the parameters that affect their efficiency The most important rectifier parameters are the forward voltage Vf and the reverse recovery time The ...

Страница 23: ...he output voltage is sensed diveded by R5 and R6 and applied to the inverting of the error amplifier is internally connected to the reference voltage The frequency response of the error amplifier is determinde by the compensation network cinsisting of R3 an C1 and the high frequency gain setting R4 The optocouple diode current is limited by R7 the optocoupler drives the error signal into the feedb...

Страница 24: ...input 32 gray red pattern to projector To adjust color wheel delay value until all 32 gray red color is correct Simple method not accuracy When user leave the OSD menu the setting will be automatically saved into memory ON 1 2 Check the Label on DMD Chip Ex 5954604 2118C Four Types B C D E Switch the DIP Switch on DMD Board according to the Red character B C D E XGA A B C D SVGA ...

Страница 25: ...leep timer Timers Z032 OSD timer Timers Z033 Burn In timer Timers Z036 OSD position Horizontal OSD position Z037 OSD position Vertical OSD position Z041 RGBHV input Red offset Graphic signal adjustment Z042 RGBHV input Green offset Graphic signal adjustment Z043 RGBHV input Blue offset Graphic signal adjustment Z044 RGBHV input Red gain Graphic signal adjustment Z045 RGBHV input Green gain Graphic...

Страница 26: ...nt Video Signal Z071 Video signal setup Video signal adjustment Z072 CVBS S Video brightness Video signal adjustment Z073 CVBS S Video contrast Video signal adjustment Z074 CVBS S Video color Video signal adjustment Z075 CVBS S Video tint Video signal adjustment Z076 CVBS S Video sharpness Video signal adjustment Z077 Component brightness Video signal adjustment Z078 Component contrast Video signa...

Страница 27: ...orrection Z121 DLP Contrast Red Gamma correction Z122 DLP Contrast Green Gamma correction Z123 DLP Contrast Blue Gamma correction Z124 DLP Brightness Red Gamma correction Z125 DLP Brightness Green Gamma correction Z126 DLP Brightness Blue Gamma correction Z127 DLP Color Wheel delay DLP correction Z128 DLP Degamma Table DLP correction Z129 DLP White Peaking DLP correction ...

Страница 28: ...MT700 Service Manual 27 5 2 3 The normal point Lower Higher Normal ...

Страница 29: ...700 Service Manual 28 5 2 4 MT700 Color Alignment 1 Load All User default 2 Load Factory default 3 Adjust Color wheel delay 4 Restore color Temperature 0 5 to default for data and video color temperature ...

Страница 30: ... synchronized z The ideal environment to adjust the brightness and contrast value is in the dark room z Adjust the ADC brightness value to make the left column to darkest to get the best brightness result z There is no adjustment for contrast use the default value z Adjust Pb offset and Pr offset to all step color is same Adjust the left column to darkest ...

Страница 31: ...MT700 Service Manual 30 ...

Страница 32: ... The ideal environment to adjust the brightness value is in the dark room z Offset R Offset G Offset B z Adjust the ADC Offset R Offset G Offset B value to make the left column to darkest to get the best brightness result z There is no adjustment for contrast use the default value ...

Страница 33: ...rojector and DVD recorder s IRE must be synchronized z The ideal environment to adjust the brightness and contrast value is in the dark room z Adjust the ADC brightness value to make the left column to darkest to get the best brightness result z There is no adjustment for contrast use the default value ...

Страница 34: ...Projector and DVD recorder s IRE must be synchronized z The ideal environment to adjust the brightness and contrast value is in the dark room z Adjust the ADC brightness value to make the left column to darkest to get the best brightness result z There is no adjustment for contrast use the default value ...

Страница 35: ...f directly NO RESET 2 lamp NG Shutdown blink orange Red Off orange Red Off YES RESET 3 lamp lit error Shutdown blink orange Red Off orange Red Off YES RESET cooling 1 minutes Fan failure CPU will check after lamplit Can turn on again After AC SW off on Note Power Lamp Temp 1 Fan stop check fan status Shutdown orange blink red blink red NO RESET 2 no feedback Shutdown orange blink red blink red NO ...

Страница 36: ...nk Red off Lamp exceed service hours YES NO Lamp hour P OFF 2000 2980 orange blink Red off NA YES NO Lamp hour P ON 2980 3000 green Red off Please change the lamp The rest lamp life is less than 20 hours YES NO Lamp hour P OFF 2980 3000 orange Red off NA YES NO Lamp hour P ON over 3000 green Red off Please change the lamp Press Power On Off or Exit to shutdown NO NO Lamp hour P OFF over 3000 orang...

Страница 37: ...MT700 Service Manual 36 Check Keypad Board Keypad LED no displayed Change PWR Board Check thermal breaker Change Main Board Change AC inlet cable Change Keypad Board Change PWR Board ...

Страница 38: ...ter the factory mode fan control menu check temp range is normalor abnormal The Temp must between 0 to 90 Change the Thermal sensor Board Change Main Board Abnormal Normal Fan Error message Check Which fan no spin Change Main board Change the broken fan Good Bad ...

Страница 39: ...MT700 Service Manual 38 Lamp Error Color wheel spin Check PWR B DC 360V PWR B NG Lamp or Ballast NG Check C W Index C W Sensor B or wire M B NG OK OK OK NG NG ...

Страница 40: ...en chip board and Main board The image exist virtical or horizontal bar always Plug in the connecter again Good Bad Check the chip board is good or not Change the Chip board Change the Main board Bad Good Check the DMD socket Change the DMD socket Bad ...

Страница 41: ...MT700 Service Manual 40 Appendix A Exploded View 1 The appearance of projector ...

Страница 42: ...MT700 Service Manual 41 2 The front side of projector Z01 Zoom Assy E10 Main Board Lamp Module E01 Ballast E05 1 Thermal Sensor E13 Thermal Breaker E05 2 Thermal Sensor E02 Fan ...

Страница 43: ...MT700 Service Manual 42 3 The rear side of the projector Main power supply E09 Blower E14 Connector BD Module Connector Board E04 Terminal Cover E12 ...

Страница 44: ...MT700 Service Manual 43 4 Side view of the projector 5 Top View of the projector Lamp Cover M07 IR Board E03 Key Pad M03 ...

Страница 45: ...MT700 Service Manual 44 6 Optical Unit Engine E11 Focus Ring Z05 Zoom Ring Z04 Color wheel Z02 Sensor board E08 PCBA Chip Board E06 DMD Chip E07 ...

Страница 46: ...MT700 Service Manual 45 7 Packing Materials and Accessory ...

Страница 47: ...23587542 E09 PC BOARD ASSY LAMP TDP MT700 15 23587543 M04 LOWER COVER ASSY TDP MT700 16 23587544 E10 PC BOARD ASSY MAIN TDP MT700 17 23587545 A01 AC CORD 10A 250V EUR TDP MT700 18 23587547 A03 AC CORD 10A 125V US TDP MT700 19 23587548 A04 AC CORD 13A 250V UK TDP MT700 20 23587549 P01 BAG PE7700 21 23587550 P02 BAG PE MT700 22 23587551 P03 CARTON BOX TDP MT700 23 23587552 P04 CUSHION PAPER 24 23587...

Страница 48: ...09 01 qd1 qt1 qh1 qa1 qw1 02 qd2 qt2 qh2 qa2 qw2 03 qd3 qt3 qh3 qa3 qw3 04 qd4 qt4 qh4 qa4 qw4 05 qd5 qt5 qh5 qa5 qw5 06 qd6 qt6 qh6 qa6 qw6 07 qD1 qT1 qH1 qA1 qW1 08 qD2 qT2 qH2 qA2 qW2 09 qD3 qT3 qH3 qA3 qW3 10 qD4 qT4 qH4 qA4 qW4 11 qD5 qT5 qH5 qA5 qW5 Month 12 qD6 qT6 qH6 qA6 qW6 ...

Страница 49: ...T O S H I B A C O R P O R A T I O N 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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