Samsung GT-S5830 - LCD Working

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Level
3
Repair
8-7
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8-3-2.
LCD Working
Power Switch On
LCD FPCB
connector is co
rrectly connecti
ned?
Replace U503
&
Check
R530,ZD505,L508
Yes
NO
Yes
CHECK
LCD DATALINE
(
LCD_SDA,SCL)
C534
LED_P_26V=26V?
F600, F601, F602,
F603, F604, F605,
F606 Resolder
F600, F601,
F602, F603,
F604, F605,
F606 Correctly
mounted?
NO
correctly connect
NO
LCD Display
On?
Yes
Yes
NO
NO
Resolder or replace UCP300
Yes
Replace LCD
Replace PBA
Replace or Resolder
C608, U400
&
NO