Acer K10 - Laptop and Image Troubleshooting

K10
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4.2 Verifying the Repair
After repairing projector (Dissembling and assembling projector), Repair center should
verify the quality of repaired unit. Here is a general guide for all repaired model. That means
if the projector is without S-Video port, repair center can skip the portion of S-Video
verification.
(1) Signal test (Each I/O can function normally)
Connect all connector to the jacks one a fter 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 da ta) 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
Audio input
Test Equipment
Connect audio input to audio output of DVD player
Signal format
480i
(2) Operation test
Buttons operation
Button description
Test criteria
Power button
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the Power button.
2. Press “power” button and projector will switch on.
Menu
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the Menu button.
2. Press Menu button can make projector function normally.
4-way button
(Keystone/Auto/Source)
1. Mechanical motion (Up & Down) should be free from getting stuck
when pressing the 4-way button.
2. Press 4-way button can make projector function normally.
Focus ring
Ring
Test criteria
Focus ring
The feeling of rotating Focus ring to the end of right and le ft by hand
should free from seizing.