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Flow Chart of Troubleshooting
10-
4
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10-1-4. LCD Display part
LCD display is abnormal
LCD Backlight is on?
pin#1 of FPCB02
is high?
Check LCD
Check FPCB02
Check LCD connection
and replace LCD
pin#2 of U401
is high?
C12 > 3.5V?
Check C12
Recharge Bat.
pin#6 of U01
is high?
Check UCP200
CHeck U01
C444 is 2.9V?
Check UCD300
pin#5 of U403
is LOW?
Check U301
Are there anysignal
at pin#3 of U403?
Check U400
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Содержание SGH-E210
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