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4. TROUBLE SHOOTING
4.6 LCD Trouble.
4.6 LCD Trouble
C C N N 6 6 0 0 0 0
Is the connection of LCD
module with LCD connector on
Does LCD backlight work
U600
START
PIF Power On
PCB OK?
Yes
Check the soldering
Of CN600
OK
properly?
Yes
Does LCD work
properly?
Yes
LCD
Working!!
Reassemble LCD module with
No
LCD connector
Not OK
Re-solder CN600
Check pin9 of U600 is
No
high when backlight are
turned on
Replace U600
No
Replace LCD module
- 56 -
Figure 4-18
U600.9
(LCD_DIM)
Figure 4-19
No
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