PBA Repair Guide GTS 8000 Samsung Electronics 136

PBA Repair Guide [GT-S 8000] Samsung Electronics 1/36

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 2/36

1. PBA Diagram GT-S 8000 q TOP Diagram Appearance 3/36

1. PBA Diagram GT-S 8000 q Bottom Diagram Appearance 4/36

2 -1. No Power GT-S 8000 q Trouble shooting Input the power (3. 8 V) Power-on-current >= 100 m. A N Download S/W Y C 330 = 1. 8 V C 352 = 3 V C 333 = 1. 2 V C 319 = 3 V Y Check UCP 200 N Check U 300 ※ It’s a general case. It cannot be available on the special case. 5/36

2 -1. No Power GT-S 8000 1. Input the power 3. 8 V 2. 2. Check the power-on-current >= 100 m. A 3. - If not : Download software 4. 3. Check the voltage 5. 1) C 243 = 3 V 6. 2) C 272 = 1. 2 V, C 273 = 1. 8 V, C 274 = 1. 3 V 7. - If not : Check the PMIC 200 (crack, open, short, etc) 8. 4. Check the OSC 201 = 32 k. Hz 9. - If not : Check the OSC 201 (crack, open, short, etc) 5. If there is no problem from 1 to 4, check the UCP 701. 6/36

2 -1. No Power GT-S 8000 Picture 2 -1 -3, 2 -1 -4, 2 -15 UCP 701 C 274 ● C 273 ● UCP 701 C 243 ● ● C 272 ● OSC 201 7/36

2 -1. No Power GT-S 8000 Scope 2 -1 -3 C 243 C 272 Voltage Div : 1 V, Time Div : 1㎳ 3 V 1. 2 V 8/36

2 -1. No Power GT-S 8000 Scope 2 -1 -3 C 274 Voltage Div : 1 V, Time Div : 1㎳ 1. 8 V 1. 3 V 9/36

2 -1. No Power GT-S 8000 Scope 2 -1 -4 OSC 210 Voltage Div : 1 V, Time Div : 20㎲ 32 k. Hz 10/36

2 -2. Lockup / Reset GT-S 8000 q Trouble shooting Use a J-TAG Download the latest S/W Download Completed Check UCP 701 Lockup or reset (Same as declared) Check UCP 701 Repeat the lockup/reset test ※ It’s a general case. It cannot be available on the special case. 11/36

2 -2. Lockup / Reset 1. Use a J-TAG to enable USB GT-S 8000 Picture 2 -2 -2 2. 2. Download the latest software 3. 4. - If download is not completed : Check the UCP 701 5. (crack, open, short, etc) 6. - If download is completed 7. but it still has the same defect 8. : Check the UCP 701 (crack, open, short, etc) 9. UCP 701 - If download is completed and you cannot find the same defect 10. : Repeat the lockup/reset test declared originally 12/36

2 -3. SIM Card Failed GT-S 8000 q Trouble shooting Check the SIM socket & HEA 600 Conn. There is Durst or Damaged N Connect a sub PBA Input the power (3. 8 V) Y Y N Check PMIC 200 SIM Socket Pin 2, 4 = 3 V Check U 607 SIM Socket Pin 1 = 3 V N Check Sub PBA Y HEA 600 Pin 27 = 3 V N Check UCP 300 Y N N Clean or change SIM socket & HEA 600 Conn. C 525 = 3 V Y U 607 Pin 13, 9 = 3 V Check Sub PBA Y SIM Socket Pin 3 = 3 V Clock N Check Sub PBA ※ It’s a general case. It cannot be available on the special case. 13/36

2 -3. SIM Card Failed GT-S 8000 1. Check the 6 -pins of SIM socket 2. - If there is a durst or damaged : Clean or change the SIM socket 3. 2. Check the HEA 600 Connector 4. - If it is damaged : Change the HEA 600 5. 3. Connect a sub PBA to PBA and input the power 3. 8 V 6. 4. Check the U 607 Pin number 13, 9 = 3 V 7. - If not : Check the U 607 (crack, open, short, etc) 8. 5. Check the SIM Socket Pin number 2, 4 = 3 V 9. - If not : Check Sub PBA (crack, open, short, etc) 10. ※ Check the voltage when you input the power on the PBA. 14/36

2 -3. SIM Card Failed GT-S 8000 6. Check the C 252 = 3 V - If not : Check the PMIC 200 (crack, open, short, etc) 7. Check the SIM Socket Pin number 1 = 3 V - If not : Check the Sub PBA (damaged) 8. Check the HEA 600 Pin number 27 = 3 V Clock - If not : Check the UCP 300 (crack, open, short, etc) 9. Check the SIM Socket Pin number 3 = 3 V Clock - If not : Check the Sub PBA (damaged) ※ Check the voltage when you input the power on the PBA. 15/36

2 -3. SIM Card Failed GT-S 8000 Picture 2 -3 -1~9 Sub PBA UCP 300 123 ● ● 4 PMIC 200 ● HEA 600 C 252 PIN 9 ● ● PIN 13 ● PIN 27 U 607 16/36

2 -3. SIM Card Failed GT-S 8000 Scope 2 -3 -4, 2 -35 U 607 Pin number 13, 9 SIM Socket Pin number 2, 4 Voltage Div : 1 V, Time Div : 1㎳ 3 V 3 V 17/36

2 -3. SIM Card Failed GT-S 8000 Scope 2 -3 -6, 2 -37 C 252 SIM Socket Pin number 1 Voltage Div : 1 V, Time Div : 1㎳ 3 V 3 V 18/36

2 -3. SIM Card Failed GT-S 8000 Scope 2 -3 -8, 2 -39 HEA 600 Pin number 27 SIM Socket Pin number 3 Voltage Div : 1 V, Time Div : 1㎳ 3 V Clock 19/36

2 -4. Camera Failed GT-S 8000 q Trouble shooting Check HEA 500 There is durst or damaged Y Clean or Change HEA 500 N Connect a camera Input the power Enter the camera preview C 523 = 2. 8 V N Check UCP 701 ※ It’s a general case. It cannot be available on the special case. 20/36

2 -4. Camera Failed GT-S 8000 1. Check the HEA 500 2. - If there is a durst or damaged : Clean or change the HEA 500 3. 2. Connect a camera and input the power 3. 8 V 4. 3. Enter the camera preview mode 5. 4. Check the voltage C 523 = 2. 8 V 6. - If not : Check the UCP 701 (crack, open, short, etc) 7. ※ Check the voltage during camera entering mode. 8. - LCD, TSP and camera must be connected to PBA. 9. - Input the power and press key number *#0*# → 7 21/36

2 -4. Camera Failed GT-S 8000 Picture 2 -4 -1, 2 -44 Scope 2 -4 -4 R 610 Voltage Div : 1 V, Time Div : 1㎳ C 523 ● HEA 500 UCP 701 2. 8 V 22/36

2 -5. No Vibration GT-S 8000 q Trouble shooting Connect a motor Input the power Vibration on U 601 Pin 1 = 3 V N Check UCP 701 Y C 609 = 2. 8 V N Check U 601 ※ It’s a general case. It cannot be available on the special case. 23/36

2 -5. No Vibration GT-S 8000 1. Connect a motor, input the power (3. 8 V), vibration on 2. 2. Check the voltage U 601 Pin number 1 = 3 V 3. - If not : Check the UCP 701 (crack, open, short, etc) 4. 3. Check the voltage C 609 = 3 V 5. - If not : Check the U 601 (crack, open, short, etc) 6. ※ Check the voltage during vibrating. 7. - LCD, TSP and vibrator must be connected to PBA. - Input the power and press key number *#0*# → 5 24/36

2 -5. No Vibration GT-S 8000 Picture 2 -5 -2, 2 -5 -3 1 C 609 UCP 701 ● ● U 601 25/36

2 -5. No Vibration GT-S 8000 Scope 2 -5 -2, 2 -53 U 601 Pin number 1 C 609 Voltage Div : 1 V, Time Div : 1㎳ 3 V 3 V 26/36

2 -6. Bluetooth Searching Failed GT-S 8000 q Trouble shooting N Check ANT_BT There is a problem Input the power Bluetooth on Search devices Y C 218 = 3 V N Y Resolder or change ANT_BT Check PMIC 200 C 202 = 26 MHz N Check OSC 200 Y L 207 = 1. 5 V N Check U 201 ※ It’s a general case. It cannot be available on the special case. 27/36

2 -6. Bluetooth Searching Failed GT-S 8000 1. Check the ANT_BT (crack, open, etc) 2. - If there is a problem : Resolder or change ANT_BT 3. 2. Input the power (3. 8 V), Bluetooth on, Search devices 4. 3. Check the Voltage C 218 = 3 V 5. - If not : Check the PMIC 200 (crack, open, short, etc) 6. 4. Check the clock C 202 = 26 MHz 7. - If not : Check the OSC 200 (crack, open, short, etc) 8. 5. Check the Voltage L 207 = 1. 5 V 9. - If not : Check the U 201 (crack, open, short, etc) 28/36

2 -6. Bluetooth Searching Failed GT-S 8000 ※ Check the voltage during searching the devices. - Sub PBA, BT Ant, LCD and TSP must be connected to PBA. - Insert a SIM card and input the power. - Activate on the bluetooth and searching devices. 29/36

2 -6. Bluetooth Searching Failed GT-S 8000 Picture 2 -6 -1, 2 -6 -3, 2 -6 -4, 2 -65 C 218 ● OSC 200 U 201 ● ● PMIC 20 0 C 202 L 207 30/36

2 -6. Bluetooth Searching Failed GT-S 8000 Scope 2 -6 -3, 2 -64 C 218 C 202 Voltage Div : 1 V, Time Div : 1㎳ Voltage Div : 1 V, Time Div : 20㎱ 26 MHz 3 V 31/36

2 -6. Bluetooth Searching Failed GT-S 8000 Scope 2 -6 -5 L 207 Voltage Div : 1 V, Time Div : 1㎳ 1. 5 V 32/36

2 -7. No Charging GT-S 8000 q Trouble shooting Connect TA To the power supply Input the power (5 V) Current = 400 ~ 600 m. A N Check U 600 C 618 = 5 V N Check U 608 or IFC 600 ※ It’s a general case. It cannot be available on the special case. 33/36

2 -7. No Charging GT-S 8000 1. Connect TA to the power supply and input the 5 V 2. 2. Insert a TA to PBA 3. 3. Check the current = 400 ~ 600 m. A 4. - If not : Check the U 600 5. (crack, open, short, etc) 6. 4. Check the Voltage C 618 = 5 V 7. 8. - If not : Check the U 608 or IFC 600 Picture 2 -7 -1, 2 -72 TA Insert to PBA (crack, open, short, etc) 9. ※ Check the voltage during charging. 10. - TA can be connected to power supply must be prepared. 34/36

2 -7. No Charging Picture 2 -7 -4 GT-S 8000 Scope 2 -7 -4 C 618 IFC 600 Voltage Div : 1 V, Time Div : 1㎳ U 608 ● 5 V U 600 C 618 35/36

3 -1. How to check the voltage and frequency q Equipment : Oscilloscope (Bandwidth : more than 500 MHz) q PBA condition : Power on by using power supply q Ground the scope q Put a scope to the point you want to check Input the power Ground Put a scope 36/36