Verifying The Repair - Acer K10 Service Manual

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
Test Equipment
Signal format
I/O port
Test Equipment
Signal format
I/O port
Test Equipment
Signal format
I/O port
Test Equipment
Signal format
(2) Operation test
Buttons operation
Button description
Power button
Menu
4-way button
(Keystone/Auto/Source)
Focus ring
Ring
Focus ring
K10
Monitor In (VGA)
Standard Pattern generator (Ex. Quantum data)
800*600 60Hz
Video
Standard Pattern generator (Ex. Quantum da ta) or DVD player
NTSC
S-Video
Standard Pattern generator or DVD player
480i
Audio input
Connect audio input to audio output of DVD player
480i
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.
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.
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.
The feeling of rotating Focus ring to the end of right and left by hand
should free from seizing.
Test criteria
Test criteria
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