START
Does LCD work properly?
Check C712 Voltage
= 2.85V?
Check the
Control signal
D[0:7], LCD_RESET/,
LCD_RS/,M LCD_CS/,
SLCD_CS/,OE2/,WE2/
LCD display will
work properly
Change the FPCB
No
No
Yes
Yes
Yes
Re-soldering
F700,F701,F704,F705
R700,R701,R702,R703
,R704
Check CON700 soldering
Re-soldering CON700
Soldering
F700,F701,F704,F705
R700,R701,R702,R703,R704
Is good?
No
Yes
Yes
Does LCD work properly?
Change the LCD Module
LCD Display will work
Does LCD work properly?
Yes
No
Yes
Yes
No
Yes
No
-110-
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Содержание VX5400
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Страница 147: ...3 Part List 147 Internal Use Only Z 3 X B O X C O M ...
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Страница 169: ...5 BGA Pin MAP 169 Z 3 X B O X C O M ...
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Страница 171: ...2 U300 HYC0SEE0MF1P 6SH0E EUSY0322101 USED NOT USED NC 171 Z 3 X B O X C O M ...