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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
Thermal switch ........................................................... 5
Fuse ............................................................................ 5
Lamp cover switch ...................................................... 5
Warning temperature and power failure protection .... 6
Maintenance .................................................................. 7
Replacing the Filter ..................................................... 7
Resetting the Filter Counter ...................................... 7
Lamp Replacement .................................................... 8
Resetting the Lamp Counter ..................................... 9
How to check Lamp Used Time ................................ 9
Cleaning ................................................................... 10
Security Function Notice .............................................. 11
Resetting procedure ................................................ 11
Standby Mode Notice .................................................. 12
Mechanical Disassembly ............................................. 13
Adjustments ................................................................. 22
Adjustments after Parts Replacement ...................... 22
Note on Main Board Replacement ........................... 22
Service Adjustment Menu Operation ........................ 22
Circuit Adjustments ................................................... 23
Service Adjustment Data Table ................................ 26
Chassis Block Diagrams .............................................. 34
Chassis over view ..................................................... 34
System control .......................................................... 35
Power supply & protection circuit ............................. 36
Fan control circuit ..................................................... 37
Troubleshooting ........................................................... 38
Indicators and Projector Condition ........................... 38
No Power .................................................................. 39
No Picture ................................................................. 40
No Sound .................................................................. 41
Error Log ................................................................... 42
Control Port Functions ................................................. 43
System Control (DDP, IC401) .................................. 43
IIC Bus D/A Converter (Fan Control, IC7881) .......... 44
IC Block Diagrams ....................................................... 45
Parts Location Diagrams ............................................. 50
Mechanical Parts List .................................................. 54
Electrical Parts List ...................................................... 55
Diagrams & Drawings ..................................................A1
Parts description and reading in schematic diagram ...A2
Schematic Diagrams ...................................................A3
Printed Wiring Board Diagrams ...................................A9
Pin description of diode, transistor and IC .................A13
Note on Soldering ......................................................A14
Содержание PDG-DWL2500 - 2500 Lumens
Страница 47: ... 47 IC Block Diagrams LV49152V Audio Output IC001 LC87F2G08A Sub Micom IC4501 ...
Страница 48: ... 48 IC Block Diagrams M62393 DAC IC7881 MR4010 Power Switching IC631 ...
Страница 49: ... 49 IC Block Diagrams PIC18F67J60 Network IC8301 NJW1156 Audio Selector IC5101 ...
Страница 83: ...Key No Part No Description Key No Part No Description 83 Electrical Parts List KG8 DWL250000 ...
Страница 84: ... KG8AC July 2010 DC 50 Printed in Japan SANYO Electric Co Ltd ...