
-2-
Contents
SERVICE MANUAL ....................................................... 1
Contents ........................................................................ 2
Safety Instructions ......................................................... 3
Safety Precautions ..........................................................3
Product Safety Notice .....................................................3
Service Personnel Warning .............................................3
Specifications ................................................................ 4
Circuit Protections ......................................................... 5
Fuse .................................................................................5
Thermal switches (SW903, SW904) ...............................5
Mechanical sensor switches (SW902, SW1891) .............6
Temperature sensors, wind sensors ...............................7
Power failure and fan lock detection ...............................8
Maintenance .................................................................. 9
Filter Instructions .............................................................9
Replacing the Filter Cartridge ....................................... 10
Resetting the Filter Counter .......................................... 11
Resetting the Scroll Counter ......................................... 11
Lamp Management ....................................................... 12
Lamp Replacement ....................................................... 13
Optional Color Wheel Installation .................................. 15
Cleaning the Optical Parts ............................................ 16
Security Function Notice ............................................. 17
Lens Mounting and Removing ..................................... 18
Mechanical Disassembly............................................. 21
Mechanical disassembly flow chart............................... 21
Mechanical disassembly ...............................................22
Adjustments ................................................................. 37
Adjustments after Parts Replacement...........................37
Service Adjustment Menu Operation ............................38
Optical Adjustments .................................................... 39
Mirror adjustment ..........................................................40
Electrical Adjustment ................................................... 41
Circuit Adjustments ....................................................... 41
Test Points and Locations .............................................45
Service Adjustment Data Table .....................................46
Chassis Description .................................................. 123
Chassis over view........................................................ 123
Boards Connection ...................................................... 124
Troubleshooting ......................................................... 125
No Picture .................................................................... 125
No Power ..................................................................... 127
Fan Control System ..................................................... 132
Temperature Abnormality ............................................ 133
Power Lens and Shutter System and Abnormality ...... 134
Lamp Abnormality ....................................................... 135
Power failure detection system ................................... 136
Diagnosis of Power Failure with RS-232C port ........... 139
Indicators and Projector Condition .............................. 140
Serial Control ............................................................. 143
Serial Control Interface ............................................... 143
Control Port Functions............................................... 145
IC Block Diagrams..................................................... 148
Parts Location Diagrams ........................................... 157
Mechanical Parts List ................................................ 163
Electrical Parts List .................................................... 165
Diagrams & Drawings .................................................. A1
Parts description and reading in schematic diagram ..A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams ................................. A15
Pin description of diode, transistor and IC ................A23
Note on Soldering ......................................................A24
DS+750 Service Manual
020-000211-01 Rev. 1 (06-2009)
Содержание DS+750
Страница 1: ...DS 750 S E R V I C E M A N U A L 020 000211 01...
Страница 2: ......
Страница 47: ...45 Electrical Adjustment Test Points and Locations K66S 1 7 DS 750 Service Manual 020 000211 01 Rev 1 06 2009...
Страница 152: ...150 IC Block Diagrams L BA7078AF Sync Sep IC5321 L M62393FP DAC IC7801 DS 750 Service Manual 020 000211 01 Rev 1 06 2009...
Страница 154: ...152 IC Block Diagrams L K4S641632K SDRAM IC3401 L PW392 Scaler IC301 DS 750 Service Manual 020 000211 01 Rev 1 06 2009...
Страница 210: ......
Страница 224: ......