投影2优派投影机电路图pj655dservice training

1、PJ655D Service Training投影机 培训高常田 2004年5月產品介紹Specifications（规格) The Procedure of Disassembly（拆解）Troubleshooting（故障维修）Function Test & Alignment Procedure（功能测试）PJ655D TrainingSpecifications(规格）Mechanical Specifications（机构）Display Panel Specifications（DMD Chip)Electrical Specifications（电气）Optical Specif

2、ications(光学）Environmental（环境）Mechanical SpecificationsDimensions(W x H x D) 10.9 x 8.9 x 3.3 inches (277 x 225 x 85 mm)Weight Approx 6.6lbs (2.99kg)Tilt Angle -8 degree with elevator mechanicalKeystone correction + / - 16 degree (32 degree)Color 16.7MLamp door protection Lamp power supply shut off a

3、utomatically when door openDisplay Panel Specification0.7” 12 deg Digital Mirror Device（DMD） by Texas Instrument (TI) Pixels : XGA,1024(H) x 768(V) pixelsElectrical SpecificationPower supply 1. Universal AC 90 260V,50 60Hz with PFC input 2. 250Watt Philips UHP Lamp 2,000hrs 3. Variance fan speed con

4、trol (Depend on temperature variance)Terminals puter input (DVI female terminal x1) 2.Video input (RCA jack type x1,Mini Din 4 pin x1 S-video) 3.Audio input (Phone jack type x 2) 4.D-Sub OutputOptical SpecificationsLamp 1.Type Lamp Philips 250 Watt AC UHP 2.Life survival 85% 1000h 50% 1500h 3.Bright

5、ness 1750 ANSI Lumens (Typical) PJ665D Engine 1.Uniformity 65% (Japan Standard) 2.Projection Distance 1.14m 10m 3.Projection Image Size 28” to 246” Diagonal 4.Contrast Ratio 1300:1 5.Zoom Ratio 1:1.2EnvironmentalAltitude Operating 10000ft Storage 40000ftTemperature Operating -5C 35C Storage -10C 60C

6、Maximum Humidity Operating -5C 35C,80%RH(Max),non-condensing Storage -10C 60C,80%RH(Max),non-condensingFundamental PrincipleSystem Diagram(系统方块图）The Procedure of DisassemblyTools Needed :Hex Sleeves 5mm (Top)Screw Bit (+) : 102Screw Bit (+) : 107Angle Cutting Nipper (Left)Long Nose Nipper (Right) Di

7、sassemble Top Cover Module, Keypad Board and Speaker1. Remove three screwsand one long screw from Bottom Housing.2. Remove four screwsbeside Top Housing.3. Lift up Top Housing and unplug three wires to Thermal Board, IR Cover Module and Speaker Board.4. Unscrew one screwto remove Speaker Board Unscr

8、ew four screwsto remove IR Cover Module, Vent.5. Tear off Keypad Light Insulator, then remove four screws of Keypad Board and tear off 3M Tapethen unscrew two screwsof Speaker Holdersto remove speaker.Disassemble AV Module and Connector Board1. Turn over Bottom Housing and remove four screwsfrom Bot

9、tom Housing.2. Unscrew two screwsof Label Connector Module to remove Label Connector Module and remove two screwsfrom Connector Cover Clamp. Take off Side Vent.3. Remove two screwsand four long screwsfrom Label Connector Module.4. Unscrew four screwsof Connector Board to remove it. Disassemble Lamp

10、Ballast and Power Supply1. Remove two screws from Lamp Housing. Unplug one wire to Lamp.2. Tear of 3M Tape, unplug three wires and unscrew four screws of Ballast Bracket to remove Ballast Module.3. Remove two screwsfrom Power Socket Bracket and take off it.4. Loosen one screwof Power supply from gro

11、unding.5. Unscrew four hex screwsof Power Supply to remove it.Disassemble Lamp Module and Thermal Board1. Turn over Bottom Housing and loosen two screwsof Lamp Cover from Bottom Housing and take off Lamp Cover.2. Loosen three screws of Lamp to remove Lamp.3. Unplug seven cables from Thermal Board.4.

12、 Remove one screwfrom Thermal Sensor Board. Unscrew one screwand one hex screwto remove Thermal Board. (The one hex screw is under one screw of Thermal Sensor Board)5. Unscrew three screwsof Fan to remove Fan. Disassemble Fan Module and Front End Board1. Remove two screws from Fan Module and take of

13、f it.2. Unscrew four screws and one long screw of Engine Module.3. Unscrew two screws to remove Fan Module.4. Unscrew two screws to remove Front End Board from Engine. Trouble ShootingEquipment Needed * PJ655DProjector * DVI to VGA Cable, Power Cord * PC (Personal Computer) * Audio Input, Video Inpu

14、t * Screw DriversMain ProcedureA. Power Troubleshooting（电源） Performance Troubleshooting7-2.3 C. Function Troubleshooting7-2.4 D. Audio Troubleshooting7-2.5 E. Remote Control TroubleshootingFunction Test & Alignment ProcedureProduct * PJ655D ProjectorTest Equipment * IBM PC with XGA resolution * DVD

15、with Multi-system(NTSC/PAL/SECAM) * CL-100 * Hi-PotTest Condition * Circumstance Brightness : Dark room less than 60 lux * Inspection Distance : 2.0m * Screen Size : 60 inches diagonal (wide) * Before function test and alignment, each PJ655D should be run-in and warmed-up for at least 30 minutes wit

16、h following conditions. 1.) In room temperature 2.) With cycled display colors (R,G,B,White) * Test Display Mode & Pattern * Function Test and Alignment ProcedureTest Display Modes and Patterns 1 Compatible Modes Analog :Analog :Digital :2 Function Test Display PatternInspection Procedure RESET :Ple

17、ase press “Menu” button on the projector panel to enter ”Factory Reset” Function then choose “Yes” and press “Enter” to see if it works. This action will allow you to erase all end-users settings and restore the original factory setting.Hi-Pot and Grounding Test :* Hi-Pot Specification : 1.5kVAC, 10

18、mA, 2 seconds.* Grounding Specification : 12VDC, 25A, 0.1 ohm.Clock and Clock Phase :Test Signal : 1024*768 60HzTest Pattern : Line Moire Pattern* Check and see if image sharpness and focus is well performed.* If not, readjust by following steps. .Screen Uniformity and Flicker :Test Signal : 1024*76

19、8 60HzTest Pattern : Full White Pattern* Please check and see if its in normal condition.If not, please return the unit to repair area.Dead Pixel/Blemish Pixel :Test Signal : 1024*768 60HzTest Pattern : Gray 30, Blue 180, White, Dark, Red, Green and Blue Pattern* Please check and see if there are dead pixels on DMD chip.* The total numbers and distance of dead pixels should be complaint with specification.R, G, B and White Colors Contrast :Test Signal : 1024*768 85HzTest Pattern : 64 or 16 R, G, B and White colors Intensities Pattern* Please che