PDG-SU20
32
4.2. Verifying the Repair
After repairing projector (Dissembling and assembling projector), Repair center should verify the
quality of repaired unit.
(1) Signal test (Each I/O can function normally)
Connect all connector to the jacks one after the other to check whether each channel can project
normally
I/O port
Monitor In (VGA)
Test Equipment
Standard Pattern generator (Ex. Quantum data)
Signal format
800*600 60Hz
I/O port
Video
Test Equipment
Standard Pattern generator (Ex. Quantum data) or DVD player
Signal format
NTSC
I/O port
S-Video
Test Equipment
Standard Pattern generator or DVD player
Signal format
480i
I/O port
USB
Test Equipment
PC and Remote controller
Test method
1. Connect PC (laptop) VGA output to projector.
Set PC (laptop) output signal to projector
2. Connect projector USB to PC.
Press remote controller page up/down to scroll presentation file up and
down (ex Microsoft office series)
I/O port
Audio input
Test Equipment
Connect audio input to audio output of DVD player
Signal format
480i
Summary of Contents for PDG-DSU20B
Page 8: ...PDG SU20 4 1 3 System Block Diagram ...
Page 25: ...PDG SU20 21 Step Figure Description 15 Remove the foot stand ...
Page 28: ...PDG SU20 24 z Remove the screws M3x6x2 z Remove Color wheel module ...
Page 49: ...PDG SU20 45 6 1 Mechanical Drawing ...
Page 50: ...PDG SU20 46 6 2 Optical Parts Location ...
Page 51: ...PDG SU20 47 ...
Page 52: ...PDG SU20 48 ...
Page 57: ...PDG SU20 53 Appendix D More details for main board measurement 1 Signal of DAD2000 26V 26V ...
Page 58: ...PDG SU20 54 2 Ballast Feedback Signal ...
Page 59: ......
Page 60: ... KA7A Sep 2007 DC 350 Printed in Japan SANYO Electric Co Ltd ...