Samsung SGH-i700 Service Manual page 18
Samsung mobile phone service manual
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Also See for SGH-i700:
- User manual (286 pages) ,
- Quick reference manual (30 pages) ,
- User manual (130 pages)
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10. Backlight Part
Backlight does not work
Yes
Backlight "ON" mode in
the menu ?
Yes
pin 1, 2 of U319 =
"High" ?
Yes
Check the connection
from CN604 to Main
key F-PCB
Yes
LCD backlight on ?
Yes
END
SAM SU N G Pr opr i et ar y- C ont ent s m ay change w i t hout not i ce
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SGH-I700 Flow Chart of Troubleshooting
No
Select backlight "ON" mode
No
Check U108
using Factory Test Program
No
Replace Main key F-PCB
No
Replace LCD Module
2-15
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