Motorola i897 - Page 111

TROUBLESHOOTING: Model Assembly (MA) Test Mode Test
Model Assembly (MA) Test Mode Test (cont.)
LCD Information
Test
VPT IST5205
Size 240 x 320
Nex
t
Next
The LCD
manufacturer and
size are displayed
on the Main LCD.
Press NEXT key
Here we test the
LCD display with
Color Bars. Press
any key to advance
Ellipses are
displayed on the
main screen for
Crosstalk test. Press
any key to advance
The gray scale test
image is from total
black to white
indicates that the
display has no
issues. Press any
key to advance
Flicker test screen
to check for flicker.
Press any key to
advance.
Test the LCD with
Checkerboard test.
Press any key to
advance.
Check for camera
I2C address, camera
device ID, and
camera vendor ID.
Press any key to
advance.
Speak into the
internal microphone
and listen to the
earpiece.
If microphone has
been detected, press
any key to advance
If microphone not
detected, press any
key to retest.
Ext LCD Test
Wintek
Size 128x160
Next
Mute Key
Check Internal
4 borders
Closed Flip
Viewfinder test
screen to verify
image. Press YES
key to advance.
Then, the camera
data lines will be
analyzed.
When the data lines
test passed, press
OK to advance.
The 4 internal
borders are
one-pixel wide and
white. The rest
(except text) are
black. Close the flip
to continue.
CID displays
“External LCD test,
vendor name and
size”. Press mute
key to continue.
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