4-1-5 When the LCD Back Light does not turn on
When the LCD Back Light
does not turn on
Is the USB connected
and does the MP3 play?
Yes
Does it operate after
replacing the LCD?
Yes
Finished
Samsung Electronics
Does it operate
No
after upgrading to the latest
No
Is the IC300 Pin 2 enabled?
Replace Board
(Requires close inspection)
firmware?
Yes
Yes
Refer to wave pattern
image of Fig. 4-4.
Troubleshooting
No
Finished
4-9