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Samsung Electronics PBA Repair Guide [GT-S5230]. 2/30 Contents 1. PBA Diagram 2. Trouble Shooting 2-1. No Power 2-2. Lockup / Reset 2-3. SIM Card Failed.

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Presentation on theme: "Samsung Electronics PBA Repair Guide [GT-S5230]. 2/30 Contents 1. PBA Diagram 2. Trouble Shooting 2-1. No Power 2-2. Lockup / Reset 2-3. SIM Card Failed."— Presentation transcript:

1 Samsung Electronics PBA Repair Guide [GT-S5230]

2 2/30 Contents 1. PBA Diagram 2. Trouble Shooting 2-1. No Power 2-2. Lockup / Reset 2-3. SIM Card Failed 2-4. Camera Failed 2-5. No Vibration 2-6. Bluetooth Searching Failed 2-7. No Charging 3. Appendix 3-1. How to check the voltage and frequency

3 3/30 1. PBA Diagram  TOP DiagramAppearance GT-S5230

4 4/30 1. PBA Diagram  Bottom DiagramAppearance GT-S5230

5 5/30 2-1. No Power  Trouble shooting Power-on-current >= 100mA C330 = 1.8V C352 = 3V C333 = 1.2V C319 = 3V Input the power (3.8V) Download S/WCheck U300 ※ It’s a general case. It cannot be available on the special case. Check UCP200 GT-S5230 Y N Y N

6 6/30 2-1. No Power  Input the power 3.8V 2. Check the power-on-current >= 100mA - If not : Download software 3. Check the voltage 1) C330 = 1.8V 2) C352 = 3V 3) C333 = 1.2V 4) C319 = 3V - If not : Check the U300 (crack, open, short, etc) 4. If there is no problem from 1 to 3, check the UCP200. GT-S5230

7 7/30 2-1. No Power GT-S5230 U300 C330 C333 C319 C352 UCP200 Picture 2-1-3 ● ● ● ●

8 8/30 2-1. No Power GT-S5230 C330C352 Voltage Div : 1V, Time Div : 1 ㎳ Scope 2-1-3 1.8V 3V

9 9/30 2-1. No Power GT-S5230 C333C319 Voltage Div : 1V, Time Div : 1 ㎳ Scope 2-1-3 3V 1.2V

10 10/30 2-2. Lockup / Reset  Trouble shooting Download Completed Lockup or reset (Same as declared) Check UCP200 Erase memory Check UME200 Repeat the lockup/reset test ※ It’s a general case. It cannot be available on the special case. Download the latest S/W GT-S5230 Y N Y N

11 11/30 2-2. Lockup / Reset  Erase the memory 2. Download the latest software - If download is not completed : Check the UME200 (crack, open, short, etc) - If download is completed but it still has the same defect : Check the UCP200 (crack, open, short, etc) - If download is completed and you cannot find the same defect : Repeat the lockup/reset test declared originally GT-S5230 Picture 2-2-2 UCP200 UME200

12 12/30 2-3. SIM Card Failed  Trouble shooting Pin 1, 2, 4 = 3V Pin 3 = 3V Clock Check the 6-pins of SIM socket Clean or change SIM socket Check U300 or UCP200 ※ It’s a general case. It cannot be available on the special case. There is durst or damaged GT-S5230 N Input the power (3.8V) Y N

13 13/30 2-3. SIM Card Failed  Check the 6-pins of SIM socket - If there is a durst : Clean the pins - If it is damaged : Change the SIM socket 2. Input the power 3.8V 3. Check the voltage 1) Pin number 1, 2, 4 = 3V 2) Pin number 3 = 3V Clock - If not : Check the U300 or UCP200 (crack, open, short, etc) ※ Check the voltage when you input the power on the PBA. GT-S5230 ● ● ●● 123123 4 Picture 2-3-3

14 14/30 2-3. SIM Card Failed GT-S5230 Pin number 1, 2, 4Pin number 3 Voltage Div : 1V, Time Div : 50 ㎳ Scope 2-3-3 3V 1.9V 3V Clock 1.9V Clock

15 15/30 2-4. Camera Failed  Trouble shooting ※ It’s a general case. It cannot be available on the special case. GT-S5230 Clean or Change CN300 There is durst or damaged C302 = 3V Check UCP200 N Check CN300 Connect a camera Input the power Enter the camera preview C311 = 1.8V Check U302 N Y Y N

16 16/30 2-4. Camera Failed  Check the CN300 - If there is a durst or damaged : Clean or changed the CN300 2. Connect a camera, input the power 3.8V, Enter the camera preview 3. Check the voltage U302 Pin number 3 = 3V - If not : Check the UCP200 (crack, open, short, etc) 4. Check the voltage C311 = 1.8V - If not : Check the U302 (crack, open, short, etc) ※ Check the voltage during camera entering mode. - LCD, TSP and camera must be connected to PBA. - Input the power and press key number *#0*# → 7 GT-S5230

17 17/30 2-4. Camera Failed GT-S5230 Picture 2-4-1, 2-4-3, 2-4-4 UCP200 CN300 C311 U302 3 ●

18 18/30 2-4. Camera Failed GT-S5230 C302C311 Voltage Div : 1V, Time Div : 1 ㎳ Scope 2-4-3, 2-4-4 1.8V 3V

19 19/30 2-5. No Vibration  Trouble shooting ※ It’s a general case. It cannot be available on the special case. GT-S5230 C341 = 3.2V Check U305 R307 = 3.2V Check U300 Y NN Connect a motor Input the power Vibration on

20 20/30 2-5. No Vibration  Connect a motor, input the power (3.8V), vibration on  Check the voltage R307 = 3.2V - If not : Check the U300 (crack, open, short, etc) 3. Check the voltage C341 = 3.2V - If not : Check the U305 (crack, open, short, etc) ※ Check the voltage during vibrating. - LCD, TSP and vibrator must be connected to PBA. - Input the power and press key number *#0*# → 5 GT-S5230

21 21/30 2-5. No Vibration GT-S5230 Picture 2-5-2, 2-5-3 U305 R307 C341 U300 ●

22 22/30 2-5. No Vibration GT-S5230 R307C341 Voltage Div : 1V, Time Div : 1 ㎳ Scope 2-5-2, 2-5-3 3.2V

23 23/30 2-6. Bluetooth Searching Failed  Trouble shooting ※ It’s a general case. It cannot be available on the special case. GT-S5230 L136 = 3VC233 = 26MHz Check U200Check U300 Check UCP200 Y N Y N Input the power Bluetooth on Search devices

24 24/30 2-6. Bluetooth Searching Failed  Input the power (3.8V), Bluetooth on, Search devices 2. Check the Voltage L136 = 3V - If not : Check the U300 (crack, open, short, etc) 3. Check the C233 = 26MHz - If not : Check the U200 (crack, open, short, etc) 4. If there is no problem from 1 to 3, Check the UCP200. (crack, open, short, etc) ※ Check the voltage during searching the devices. - BT Ant, LCD and TSP must be connected to PBA. - Insert a SIM card and input the power. - Activate on the bluetooth and search devices. GT-S5230

25 25/30 2-6. Bluetooth Searching Failed GT-S5230 Picture 2-6-2, 2-6-3, 2-6-4 ● U200L136 ● C233 U300

26 26/30 2-6. Bluetooth Searching Failed GT-S5230 L136C233 Voltage Div : 1V, Time Div : 1 ㎳ Voltage Div : 1V, Time Div : 50 ㎳ Scope 2-6-2, 2-6-3 3V 26MHz

27 27/30 2-7. No Charging  Trouble shooting ※ It’s a general case. It cannot be available on the special case. GT-S5230 Connect TA to the power supply Current = 400 ~ 600mA Check U300 N Input the power (5V) C310 = 5V Check IFC100 N

28 28/30 2-7. No Charging  Connect TA to power supply and input the 5V. 2. Insert a TA to PBA 3. Check the current = 400 ~ 600mA - If not : Check the U300 (crack, open, short, etc) 4. Check the voltage C310 = 5V - If not : Check the IFC100 (crack, open, short, etc) ※ Check the voltage during charging. - TA can be connected to power supply must be prepared. GT-S5230 TA Picture 2-7-1, 2-7-2 Insert to PBA

29 29/30 2-7. No Charging GT-S5230 Picture 2-7-4 C310 Voltage Div : 1V, Time Div : 1 ㎳ Scope 2-7-4 U300 IFC100 ● C310 5V

30 30/30 3-1. How to check the voltage and frequency  Equipment : Oscilloscope (Bandwidth : more than 500MHz)  PBA condition : Power on by using power supply  Ground the scope  Put a scope to the point you want to check Input the power Ground Put a scope


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