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BenQ 9H.Y1277.000, Product Service Manual

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BenQ 9H.Y1277.000 Product Service Manual Download Page 81

81 

 

Figure 2 Main board & Input board BLOCK DIAGRAM

 

Main Board

A/D converter 

D-Sub in 

RGB analog signal 

YPbPr 

DDP ASIC 

  DLP Image 

Processor 

RGB888 

24bits     

Digital Signal 

NTSC/PAL 

/SECAM 

Video Decoder 

YUV422 

16bits     

Digital 
Signal 

Color Wheel 

Motor Driver 

XDRAM 

DMD Power 

and 

Reset Driver 

DMD 

MBRST 

(15:0) 

16 M Flash 

Memory 

S-Video  CVBS 

RS-232 

 

I

Front IR 

Summary of Contents for 9H.Y1277.000

Page 1: ...0a Date 2008 06 12 Notice For RO to input specific Legal Requirement in specific NS regarding to responsibility and liability statements Please check BenQ s eSupport web site http esupport benq com to...

Page 2: ...l 1 Cosmetic Appearance Alignment Service 26 Operational Inspection Criteria 26 Software Firmware Upgrade Process 30 Adjustment Alignment Procedure 36 Level 2 Circuit Board and Standard Parts Replacem...

Page 3: ...terface Integrated P POM Pond of Mirrors R RS232 Interface Between Data terminal Equipment and Data Communications Equipment Employing Serial Binary Data Interchange S SVGA Super Video Graphics Array...

Page 4: ...be stored for easy access place Important Service Information RoHS 2002 95 EC Requirements Applied to all countries require RoHS The RoHS Restriction of Hazardous Substance in Electrical and Electroni...

Page 5: ...c discharge ESD Follow ESD safety procedures while handling these parts 8 Some products contain more than one battery Do not disassemble any battery or expose it to high temperatures such as throwing...

Page 6: ...Image Quality 3 0 Mechanical Specification 4 0 Packaging 5 0 Thermal Specification 6 0 Environmental 7 0 Regulatory 8 0 Reliability 9 0 Power Requirements 10 0 Panel Specification 11 0 Compatibility 1...

Page 7: ...4 2 Light Leakage out of Active Area Except DMD Defect 0 65 lux with 50 80 Diagonal at 2m image size 1 5 Color Reference meter BenQ YM5A Measurement Center Integral sphere X Y 1 5 1 White 0 313 0 04 0...

Page 8: ...ington compatible slot 150N break away force 3 5 Lens Cover Lens Cover Refer to C109 3 6 Feet Fast adjustable foot in front Adjustable foot and Fixed foot in rear foot Tilt 0 6 right left 2 2 0 5 4 0...

Page 9: ...6 10 0 Panel Specification 10 1 Type 0 55 SVGA LVDS Type X DMD 10 2 Pixels H 800 X V 600 10 3 Color Depth 24 Bits 16770000 colors 11 0 Compatibility Appendix A 11 1 PC PC Compatible 640X480 1024X768 c...

Page 10: ...eiver x1 Front Angle 30 Distance 0 8m 13 2 Serial Connector RS232 9pin command table adhere to Appendix A 14 0 User Interface Adhere to Appendix A 14 1 Operator Keypad 10 Keys Power Source Auto Blank...

Page 11: ..._60 60 020 63 981 108 000 1280 x 800 SXGA_60 59 81 49 702 83 5 1280 x 960 1280 x 960_60 60 000 60 000 108 640x480 67Hz MAC13 66 667 35 000 30 240 832x624 75 MAC16 74 546 49 722 57 280 1024x768 75Hz MA...

Page 12: ...volt Amplitude high level 2 5 5 Volt SCLDATA Amplitude low level 0 0 8 volt Amplitude high level 2 5 5 Volt RXD Amplitude 25 25 Volt TXD Amplitude 25 25 Volt CVBS Luminance Amplitude total video sync...

Page 13: ...ideo input Pin Description 1 GND 2 GND 3 Luminance 4 Chroma z Control Port Pin Definition 1 Composite video input Pin Description Pin Description 1 NC 2 RX 3 TX 4 NC 5 GND 6 NC 7 RTSZ 8 CTSZ 9 NC 2 4...

Page 14: ...mode Source To select input sources as Computer YPbPr Video S Video Menu Exit 1 OSD pop up 2 Move next item 4 Panel Key Lock 1 When user press the bottom once it will enter Panel Key Lock setting 2 Wh...

Page 15: ...SD Timer YES YES YES Source Scan YES YES YES Keystone Hold YES YES YES Mirror Hold YES YES YES Blank Time YES YES YES Information YES YES YES Reset YES YES YES External Message indicator Detailed desc...

Page 16: ...rements with an input frequency range 50 Hz 60 Hz Power Consumption Normal operation 280W Max standby mode 5W Regulation Efficiency 80 typical measuring at 115Vac and full load 2 Output Power Requirem...

Page 17: ...17 Packing NOTE The updated Service BOM is on SPO system Please check it to order service parts...

Page 18: ...18 CTN LBL PRINTING For BQA CTN LBL PRINTING For BQE...

Page 19: ...19 CTN LBL PRINTING For BQP...

Page 20: ...20 CTN LBL PRINTING For BQC...

Page 21: ...21 SPEC LBL PRINTING 1 SPEC LBL PRINTING For BQE BQA BQP 2 SPEC LBL PRINTING For BQC...

Page 22: ...22 LAMP LBL PRINTING For BQC...

Page 23: ...and workmanship requirements leading to an evaluation of the degree of fitness for use including possible personal injury or property damage for the use of the product 5 0 CLASSIFICATION OF DEFECTS Th...

Page 24: ...ts shall be held up pending instructions from the responsible person in relevant department 7 1 2 under normal sampling Critical Defective 0 AQL Major Defective 0 65 AQL Minor Defective 2 5 AQL 7 1 3...

Page 25: ...epeatedly demonstrated 9 0 TEST CONDITIONS Unless other prescription the test conditions are as followings Nominal voltage refer to operation manual Environmental illumination Variable from 500 to 800...

Page 26: ...atio CIE white coordinate Throw Ratio Zoom Ratio Distortion Full Dark FOFO Contrast Ratio Full Red Impurity CIE coordinate Full Green Impurity CIE coordinate Full Blue Impurity CIE coordinate Chromo 8...

Page 27: ...ge size Contrast Preset Brightness Preset Full dark CIE white coordinate x 0 313 0 04 y 0 350 0 04 Contrast Preset Brightness Preset Full white CIE red coordinate x 0 640 0 04 y 0 345 0 04 Contrast Pr...

Page 28: ...cus not clear or flare defocus lateral color out of specification Major 2 3 Brightness Uniformity out of specification Major 2 4 Contrast ratio out of specification Major 2 5 Color coordinates out of...

Page 29: ...active area 2 No blemish will be 1 5 long diameter 3 Reset Boundary Artifact Gray 30 No rest boundary artifacts allowed 4 Eye catchers border Artifact Any screen Eye catchers border artifact are allo...

Page 30: ...perhaps alongside a prior release of DLP Composer Lite click the Browse button on the Select Features page RS232 Support Installation All Platforms This release includes support for a RS232 communica...

Page 31: ...31...

Page 32: ...loader area load all but the first 32KB 3 Plug power cord into projector 4 Plug in RS232 cable between computer and projector side 5 Press Reset Bus first 6 Press start download to begin update new f...

Page 33: ...than the main menu popup 2 When showing main menu press Source Mode at the same time 3 Factory menu popup at the top left of display z Use Remote to enter factory menu 1 At the FAQ page enter Image a...

Page 34: ...N Make sure that your computer and projector are turned off before connection Power on the computer first and then plug the power cord of the projector It may cause Com port incorrect function if you...

Page 35: ...Data Length 8 bit Parity Check None Stop Bit 1 bit Flow Control None Software specification 1 Each input character will be echoed 2 When give ASCII 13 it will echo 0x3E 0x00 It means projector is read...

Page 36: ...36 Adjustment Alignment Procedure Content 1 Color Wheel Delay Alignment 2 Overfill adjustment 3 DMD Panel Alignment 4 PC Alignment Procedure 5 YUV Alignment Procedure...

Page 37: ...jected 5 Watch the oscilloscope and notice the square waveform 6 Use the and key to increment or decrement the color wheel delay value 7 No matter the waveform is square or not let the waveform was la...

Page 38: ...38 2 Without Equipment Procedure 1 Enter Factory Mode 2 Enter Block 1 3 Change CW Delay by adjusting the following gray pattern to smooth 32 Gray pattern...

Page 39: ...39 2 Overfill adjustment As the picture below adjust light pipe to keep overfill image center...

Page 40: ...age if any pixel lost 7 Change pattern from full black to full white 8 Watch the image if any pixel can not return 9 Change pattern from full black to full white 10 Watch the image if any pixel can no...

Page 41: ...er D sub into projector 2 Change Timing and pattern of pattern generator 3 Timing 1024 768 60Hz XGA 4 Pattern As Figure1 A near white color 240 240 240 and a near black color 16 16 16 5 Light on proje...

Page 42: ...127 Cal B Gain 127 YPbPr R Offset 127 YPbPr B Offset 127 Procedure 1 Connect power YpbPr cable into projector 2 Change Timing and pattern of pattern generator Timing 480i Pattern As Figure2 3 Light on...

Page 43: ...43 Level 2 Circuit Board and Standard Parts Replacement Product Exploded View Module 1 Total Exploded View...

Page 44: ...44...

Page 45: ...45 Module 2 ASSY UPPER CASE...

Page 46: ...46 Module 3 ASSY LOWER CASE...

Page 47: ...47 Module 4 ASSY FRONT CASE...

Page 48: ...off upper case module don t draw the IR sensor wire in case of breaking 3 Take off the case left module and the front case module 4 Disassemble the screw 6 and take off the rear case screw driver MP52...

Page 49: ...Take off the twin fan wire from M B 7 Take off the C W FPC wire blower fan wire C W sensor wire Ballast 5 Pin wire speaker wire form M B take off right cass module screw driver 8 Take off the M B and...

Page 50: ...unding screw 1 and take off the Power B D SHD screw driver 11 Disassemble the wire 2 and screw 1 and take off the power BD and ballast Mylar screw driver 12 1 Disassemble the screw 2 and take off the...

Page 51: ...iver 15 1 Take off the push button 2 Disassemble the screw 3 screw driver 16 1 Take off the gasket 2 2 Disassemble the ring focus screw driver 17 Take off th LENS screw 4 and FRAME LENS screw 3 screw...

Page 52: ...w driver 20 Rotate to open the switch on socket and take off the DMD chip screw driver 21 1 Disassemble ILL module screw 2 2 Take off screw 1 FM holder fold mirror FM clip 2 clip CM front clip CM side...

Page 53: ...Figure1 2 and press it assemble to the right position Figure1 3 III Assemble FIN with Lamp holder and lock screw well Figure 1 4 Fig 1 1 Fig 1 2 Fig 1 3 Fig 1 4 1 2 Front Glass Assembly i Front Glass...

Page 54: ...Lamp Wire Arrangement I Lamp Wire arrangement have to look likes as below Figure 1 11 II Bending Angle have to face to backside of Lamp Figure 1 12 Fig 1 10 Fig 1 11 F G datum Insert to HLD Lamp Shor...

Page 55: ...ouch DTM Lamp of HLD Lamp Fig 1 13 iii To make sure that three datum contact with the lamp well Fig 1 14 iv Assemble Clips Lamp to HLD Lamp and lock screws Fig 1 15 v Hook Clip Up Lamp on the HLD Lamp...

Page 56: ...56 Fig 1 15 Fig 1 16 Fig 1 17 Fig 1 18 Clip Lamp Clip Up Lamp Breach is located on top of terminal...

Page 57: ...amp Fig 2 1 2 2 Lock Screw well Fig 2 2 Fig 2 1 Fig 2 2 3 Assembly CW Module 3 1 CW Module Assembly Sequence as blow Fig 3 1 Fig 3 2 1 BKT CW 2 Damper CW 3 CW 4 Screw 8F 00345 5R6 5 Sensor Board 6 Scr...

Page 58: ...V5503 Glue at two opening of BKT_LP show in Fig 4 3 4 4 UV 5503 Glue curing process and concerns i The UV glue must fill up the whole opening area shown in Fig 4 3 to contact well with LP surfaces and...

Page 59: ...o hook DMD HSG and then lock with screw well Fig 4 8 2 4 6 Overfill Adjustment LP Module Overfill Adjustment Criteria i Pre assembly 2 adjusting screws Criteria shown as Fig 4 9 ii Alignment Sequence...

Page 60: ...6 Fig 4 7 Fig 4 8 1 Fig 4 8 2 1 Press down the Clip 2 Insert the LP Module Overfill adjustment screws LP Datum of DMD HSG 1 Place Clips on BKT surface 2 Push Baffle LP to hook DMD HSG 3 Lock screw 8F...

Page 61: ...ace FM on HLD FM surface Fig 5 1 and use Clip FM to fix FM Fig 5 2 Fig 5 1 Fig 5 2 Pre assemble this screw not over the side surface Pre assemble this screw not over the bottom surface Touch the side...

Page 62: ...Well Fig 6 3 III Assemble CLIP TOP CM with forceps to the HSG IL Fig 6 4 IV To check and make sure CLIP of CM hooks the HSG ILL very Well Fig 6 5 V Paste Sponge tube AL on cannelure of HSG ILL Fig 6 6...

Page 63: ...63 Fig 6 4 Fig 6 5 Fig 6 6 Fig 6 7 Clip UP CM Sponge...

Page 64: ...L and the then lock with screws Fig 7 2 Fig 7 1 Fig 7 2 8 DMD and Chip B D Module 8 1 Judge Chip B D and DMD alignment keying first Fig 8 1 8 2 8 2 Alight keying and Assemble DMD to Chip B D Fig 8 3 8...

Page 65: ...surface of Chip BD Fig 8 5 Fig 8 5 9 Assembly Optical Engine 9 1 Assemble BKT Link Lamp CW shield on DMD HSG and then lock with screws well Fig 9 1 Fig 9 1 Button Close notation Open notation Screw 8...

Page 66: ...0 2 10 3 Assemble Thermal Pad Gasket Hest sink then place contact DMD Fig 10 3 1 Pre fastening Sequence 1 2 3 4 2 Fastening Sequence 4 3 2 1 3 Screw Torque must be confirmed to be 6 kg cm Fig 10 3 Fix...

Page 67: ...67 10 4 Assemble CW Module to DMD HSG and lock with screws well Fig 10 4 Fig 10 4 10 5 Assemble PL Lens and lock with screws well Fig 10 5 Fig 10 5 Fixed shafts of DMD HSG 8F 1A554 4R0 8F JA754 4R0...

Page 68: ...g screws first and then assemble Ring Focus Fig 10 6 Fig 10 7 Fig 10 6 Fig 10 7 10 7 Assemble Lamp Module to BKT Link Lamp and then lock with screw well Fig 10 8 Fig 10 9 Fig 10 8 8F 1A752 3R0 Ring Zo...

Page 69: ...69 Fig 10 9 EMI Solution 1 Solution Gasket 4G J2G04 002 LP2 Use gasket to connect optic engine H Sink and BKT down 4G J2G04 002 W15 H6 L30 mm...

Page 70: ...llast assemble wire alignment concern 7 Assy Mylar Ballast concern 8 Assy Power BD and Wire alignment concern 9 Bracket Power BD assemble concern 10 Main BD Assemble and Wire alignment 11 Main BD Shie...

Page 71: ...Lower case assemble contents 2 1 8F 1D526 6R0 3 Ceiling Mount Boss Screw 2 2 Shd Plate LC 3D 0GF22 001 2 3 Glue 3H 01076 001 Dripping of glue between foot and screw nut 3 Twin Fan adhesive mylar shee...

Page 72: ...on for assemble Led lens assemble with Upper Case 5 Front Case assemble content Assy Front case assemble 1 BenQ logo assemble 2 Name Plate 3 IR Lens assemble 4 1 4 2 4 3 BenQ logo IR Lens Name Plate T...

Page 73: ...ssemble wire alignment concern 1 Ballast screw quantity 2 step1 top left step2 bottom right 2 Wire ballast to M B alignment note 2 3 Wire ballast to PWR B alignment note 3 4 Wire ballast to Lamp align...

Page 74: ...le alignment 7 2 Mylar Assemble alignment 8 Assy Power BD and Wire alignment concern 8 1 Thermal Break wire alignment 8 2 Ballast wire alignment 8 3 Power BD alignment with lower case Ballast wire ali...

Page 75: ...75 9 Bracket Power BD assemble concern 9 1 8F VG564 8R0 3 for BKT Power BD and Lower Case 8 3...

Page 76: ...76 10 Main BD Assemble and Wire alignment 10 1 Wire Assemble for MB 10 2 Main BD assemble for Screw Fix Blower Wire Sensor Wire CW Wire Fan Wire Ground Wire 5 pin Blst to MB 8F 1D224 5R0...

Page 77: ...re alignment 11 1 Screw Assemble for MB shielding 11 2 Screw Assemble for MB shielding 12 Engine and Lower case constrain concern Screw Type 8F VA564 7R0 11 1 CW wire alignment First Fixed location 3r...

Page 78: ...ire connector insert to lower case tunnel please check the high for connector lamp And rib of lower case be alignment Please refer to Note 14 1 15 Lamp door screw assemble sequence Second Fixed locati...

Page 79: ...79 16 Twin Fan Wire arrange Please following the Fan Wire arrange such as below photo Wire Arrange Method...

Page 80: ...Keypad Circuit Input Source Circuit EMI Filter Main Operation Circuit Ballast Module Fan Driver Circuit PFC Circuit Lamp Door switch From AC socket To Lamp Thermal break sensor Circuit CW Index senso...

Page 81: ...r D Sub in RGB analog signal YPbPr DDP ASIC DLP Image Processor RGB888 24bits Digital Signal NTSC PAL SECAM Video Decoder YUV422 16bits Digital Signal Color Wheel Motor Driver XDRAM DMD Power and Rese...

Page 82: ...roubleshooting Chapter 1 System Analysis Chapter 2 Optical Trouble Shooting Guide Chapter 3 Power Supply Trouble Shooting Guide Chapter 4 LED Messages Definition Chapter 5 Error Count Messages Definit...

Page 83: ...2 Check C W and wire connection 3 Check Main board 4 Check Lamp 5 Check Ballast 1 Check Input Cable 2 Check OSD Source set up 3 Check Main board 1 Check OSD Lamp Hours 2 Check Lamp Door 3 Check Lamp...

Page 84: ...k CW 50 point Replace CW if necessary 6 Color Uniformity 1 Change lamp 7 Blue Edge 1 Refer to Item 2 1 attached below 2 Change CM 3 Change SUB HSG 8 Blue Purple Border 1 Refer to Item 2 1 attached bel...

Page 85: ...Screws must be released for around 2 mm first ii Alignment Sequence c To adjust Horizontal Adjustment Screw firstly then Vertical Adjustment Screw d Refer to Figure 2 1 Fig 2 1 II Re assemble LP modu...

Page 86: ...86 Chapter 3 Power Trouble Shooting Guide...

Page 87: ...87...

Page 88: ...llast Fan Fan 3 error the actual fan speed is 20 outside the desired speed Blower Fan Thermal Sensor 1 open error the remote diode has an open circuit condition DMD sensor Thermal Sensor 2 open error...

Page 89: ...Speed Error BLOWER FAN SPEED ERROR SPEED OVER 20 Sensor 1 Open Error Main Board SENSOR ERROR DETECT Sensor 1 Sensor 2 Open Error Power board SENSOR ERROR DETECT Sensor 2 Sensor 1 Short Error Main Boa...

Page 90: ...TOO M3 5L ZN MACH PH 6 ZINC 4 5 0 5 MB BKT ENGINE HSG 1 6 BKT BLOWER NOZZLE 1 MB MB SHIELDING 4 5 8F 1A524 6R0 SCRW MACH M3 6L NI MACH PH 6 NI 4 5 0 5 DOOR LC 2 2 M4 6 8F 1D526 6R0 SCRW MACH PAN EXT T...

Page 91: ...91...

Page 92: ...C format B IR command code CUSTOMER CODE DATA CODE FUNCTION 0030 02 POWER 0030 03 0030 04 SOURCE 0030 05 TIMER ON 0030 06 TIMER SETUP 0030 07 BLANK 0030 08 AUTO 0030 0B 0030 0C 0030 0D 0030 0E 0030 0F...

Page 93: ...dio commanding but audio related OSD will refresh until turn off and reopen OSD Mute Off CR mute off CR Mute Status CR mute CR Volume CR vol CR Volume CR vol CR Volume CR vol CR Picture Setting depend...

Page 94: ...e CR lampm single CR LampMode Status CR lampm CR Miscellaneous Blank On CR blank on CR 1 Execute under power on and connecting to source 2 Same as operating Remote but cmd divides to ON and OFF Blank...

Page 95: ..._______ 01 11H Year of Manufacture __________________________ 2008 12H EDID Version Number __________________________ 1 13H EDID Revision Number _________________________ 3 14H VIDEO INPUT DEFINITION...

Page 96: ...nt 800 pixels Blanking Count 256 pixels Sync Offset 40 pixels Sync Pulse Width 128 pixels Border 0 pixels Frequency 37 88 kHz Vertical Active Count 600 lines Blanking Count 28 lines Sync Offset 1 line...

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