Samsung Galaxy Tab 3 8.0, Repair Manual

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Display problem
Ste
p
Check point Result value Defect point
1 Confrm the defect symptom - -
2 Check the LCD connector (HDC702)
Broken, dust, corrosion
Insert status
AMOLED connector
(HDC702)
Normal Go to the next step
3 Replace the TFT LCD
Solved TFT LCD
Not solved Go to the next step
4
Connect a LCD and display on with a power
supply
(power supply voltage : 4.0V)
- -
5
Check the voltage of C603 = 19V +/- 1V
Notice. It should be measured when the display
is activated on
If not the correct value U602
C603 = 19V +/- 1V Go to the next step
6
Check the voltage of C605 = 3.3V
Notice. It should be measured when the display
is activated on
If not the correct value U600
C605=3.3V Go to the next step
7
Check the voltage of C606 = 1.8V
Notice. It should be measured when the
display is activated on
If not the correct value PMIC
C606 = 1.8V Go to the next step
8
Check the Signal of following chips
(F601, F603, F604)
Notice. It should be measured when the
display is activated on
If not the correct value F601, F603, F604
Same signal compared with
a good PBA
MAIN CHIP or PBA