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Lv3Lv4 Repair Manual
ASUS P735 Service Manual
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ASUS Proprietary

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Summary of Contents for Asus P735

  • Page 1: Tool ' S Input And Output File

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual ASUS P735 Service Manual - 1 - ASUS Proprietary...
  • Page 2: Table Of Contents

    ECESSARY TOOL AND EQUIPMENT :.......................19 11.3 W ORK METHOD 11.4 P : ......................20 RECAUTIONS 11.5 U ..................20 NDER FILL HIPS OCATION 12. P735 BLOCK DIAGRAM....................21 13. P735 PRACTICAL REPAIRING FLOW DIAGRAM:..........22 14. P735 REPAIR NOTICE PART :..................23 - 2 - ASUS Proprietary...
  • Page 3: Field Of Xml File Explanation

    PROBLEM 16.8 S : ..................37 WITCH CONNECTOR PROBLEM 16.9 V :.....................37 IBRATOR PROBLEM 17.POWER CONSUMPTION TEST...................38 17.1 E ....................38 NVIRONMENT ETTING 17.2 D ......................38 LEEP 17.3 S ..................39 TANDBY LEEP 17.4 C ....................42 HARGING URRENT - 3 - ASUS Proprietary...
  • Page 4: Sim Lock Process

    Lv3Lv4 Repair Manual 18. RF REPAIR SW & HW REQUIREMENT ..............45 18.1 SW:..........................45 18.2 HW: ...........................45 : .......................45 18.3 E QUIPMENT 19. P735 RF BLOCK DIAGRAM ..................46 19.1 S ....................46 YSTEM LOCK IAGRAM 19.2 GSM/GPRS – GSM RFMD P ..........47...
  • Page 5: Baseband Repair Abstract

    Lv3Lv4 Repair Manual 6.BaseBand Repair Abstract: For the training, the document mainly describes how to repair P735 if main board was damaged. Another topic focuses on EPE bug list from SR to DVT according to every run of repairing experience.
  • Page 6: Id Concept

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 8.2 ID Concept 9.Test Set and Tool 9.1 Power Supply MOTECH programmable DC power Supply or equivalence *1 - 14 - ASUS Proprietary...
  • Page 7: Oscilloscope

    華 碩 電 腦 ■ Lv3Lv4 Repair Manual 9.2 Oscilloscope Tektrniox TDS5054B Digital Phosphor Oscilloscope or equivalence *1 ( Bandwidth 200MHz ) 9.3 Microscope (10X,40X) 9.4 Other ME Tool (Plastic wrench ,Screwdriver T5 and #00) - 15 - ASUS Proprietary...
  • Page 8: P735 Charger

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 9.5 P735 Charger The default charger adaptor for P735 is TAMURA PACIFIC JSP050090UC. Meanwhile, P735 support USB charging with 500mA. - 16 - ASUS Proprietary...
  • Page 9: Pcba Outlook

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 10.PCBA Outlook 10.1 PCBA- TOP side - 17 - ASUS Proprietary...
  • Page 10: Pcba- Bottom Side

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 10.2 PCBA- Bottom side - 18 - ASUS Proprietary...
  • Page 11: Underfill Rework Notice

    5.3.6 Whether it is intact and damaging to examine PCB PAD in item after using the sanitizer to polish PCB PAD clean. 5.3.7 Use the soldering paste to daub on PCB PAD, put the new part and rework. - 19 - ASUS Proprietary...
  • Page 12: Precautions

    5.4.4 While changing the part, there is a apt part damaged around to find the part , use and defend.the sticky tape to protect, prevent the part from being destroyed. 11.5 Under fill Chips Location - 20 - ASUS Proprietary...
  • Page 13: P735 Block Diagram

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 12. P735 Block Diagram - 21 - ASUS Proprietary...
  • Page 14: P735 Practical Repairing Flow Diagram

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 13. P735 practical repairing flow diagram: START 1.prepare tools 2.set voltage:3.8~4.2 3.set limited current:2A Boot? Inspect consumed Show logo and current? boot OS display If the peripheral 0 ~ 100mA:...
  • Page 15: P735 Repair Notice Part

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 14. P735 Repair Notice Part : 14.1 SR Notice List Station Problem Preliminary Root Cause Remark Symptom Analysis Can not Connector is Connector is damaged by preview form...
  • Page 16: Er2 Notice List

    Sleep mode leakage current is U20(PMU) issue. level current fail from U20(PMU) to cause charge fail Board Earphone_L Audio amplify L U14(audio amp.) level FREQ FAIL path fail cause to issue earphone L freq no sound - 24 - ASUS Proprietary...
  • Page 17: Troubleshooting

    Lv3Lv4 Repair Manual 15 Troubleshooting 15.1 Debug process Inspect PCBA (any chip or mechanical component damaged ?) Fail Current abnormal Inspect consumed current Rework Damaged Component Run diagnosis app. Pass all test items? Repair O.K - 25 - ASUS Proprietary...
  • Page 18: Repair Case

    4. Inspect crystal of hermon and CPU or CS (Chip Select) from flash memory, if the current = 200 ~ 230mA. 5. If the consumed current is over 300mA, please check PMU, peripheral device and other chip. Bulverde power on sequence and timing - 26 - ASUS Proprietary...
  • Page 19 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual Hermon power on sequence and timing Sys_EN C224 PWR_EN D30 nReset TP71 - 27 - ASUS Proprietary...
  • Page 20: Lcd Problem

    5. Inspect LCD back light driver as shown in Pig.5-3, if panel can not drive back light. Pig.5-1 61 pin of LCD connector and power domain located in P735 bottom side Pig.5-2 PCLK, FCLK and LCLK - 28 -...
  • Page 21: Audio

    MIC no sound 1.Inspect MIC if damaged。 2. Inspect voltage level of audio headset detect pin,if level is low , audio will be directed to headset。 3. Inspect bias of MIC。 4. Inspect soldering of MIC。 - 29 - ASUS Proprietary...
  • Page 22: Fail To Record

    1. Inspect connect between 2M camera FPC and camera FPC connector。 2. Inspect if 2M camera module damaged。 3. Inspect power domain of camera module 。 4. Inspect signal on camera data bus to further clarify it is CPU side problem or camera side problem. - 30 - ASUS Proprietary...
  • Page 23: Trouble Shooting

    2. Inspect metal dome of keypad as shown in Pig.6-2, if function key can not work. 3. Inspect key matrix of CPU as shown in Pig.6-1, if part of function key can not work. Pig.6-1 keypad connector and key matrix are located in P735 bottom side. Pig.6-2 Metal dome of P735 QWERTY keypad.
  • Page 24: Micro -Sd Card Problem

    3. Inspect mini-SD card data path as shown in Pig.7-2, if mini-SD card can not be read data. Pig.7-1 Mini-SD card connector is located in P735 top side. Pig.7-2 power domain and data pin of mini-SD card sign in red box.
  • Page 25: Camera Problem

    2. Inspect I2C path which connect to camera module as shown in Pig.8, if camera device can not be detected. (I2C_SCL_2M U209.1)(I2C_SDA_2M U209.5) Pig.8 camera connector is located in P735 bottom side. 16.4 BT problem: 1. Inspect power domain of Bluetooth as shown in Pig.9, if BT can not work.(+2V8_BT R21.1)(+1V5_BT_REG1 R23.2) (+1V5_BT_REG2 R23.1)
  • Page 26: Sim Card Problem

    3. Inspect unlock SIM card program, if SIM card can not be detected. Pig.10 SIM card connector is located in P735 bottom side. 16.6 Audio problem: 1. Inspect speaker, receiver and handset connectors, if the sound can not work.
  • Page 27 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual Pig.11-2 Codec and audio amplify are located in P735 bottom side. - 35 - ASUS Proprietary...
  • Page 28: Usb Problem

    1. Inspect USB connector as shown in Pig.12-1. , if USB can not charge or can not connect to PC using Activesync. 2. Inspect PMU as shown in Pig.12-2, if USB can not work. Pig.12-1 pin define of USB connector sign in P735 top side. Pig.12-2 PMU is located in P735bottom side. - 36 -...
  • Page 29: Switch Connector Problem

    Pig.13 Switches are located in P735 top side. 16.9 Vibrator problem: 1. Inspect power domain of Vibrator as shown in Pig.14, if it can not work. Pig.14 Vibrator connector is located in P735 bottom side. - 37 - ASUS Proprietary...
  • Page 30: Power Consumption Test

    DC Source Setting : Current 1A Voltage 3.8V~4V Positive Pin 1 Negative Pin 3 17.2 Deep Sleep Mode 1.When we setup the environment complete, the current consumption can be measure by the DC Power Meter. - 38 - ASUS Proprietary...
  • Page 31: Standby Mode/Sleep Mode

    電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 17.3 Standby Mode/Sleep Mode 1. Power on the Smartphone. 2. Finish Open Mode , click the Power On button 3. Select the B Wireless Manager - 39 - ASUS Proprietary...
  • Page 32 5. Make Sure the Backlight from LCM and Keypad is ON. 6. Measure the Current consumption (standby mode ) refer to the table 13-1. 7. After 15 seconds , we will take the second data from the DC Source Meter LCD On Light Off Keypad - 40 - ASUS Proprietary...
  • Page 33 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 8. Sleep mode : After the 1 minute later ,the LCM signal will be off. - 41 - ASUS Proprietary...
  • Page 34: Charging Current Test

    碩 電 腦 ■ Lv3Lv4 Repair Manual 9.Measure the Current consumption (sleep mode ) refer to the table 13-1. 17.4 Charging Current Test 1. Set Up the Environment DC Source setting : 5V / 2A - 42 - ASUS Proprietary...
  • Page 35 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 2. Charger fixture modify Notice Pin assignment for the Mini USB 5P Positive Negative 3. Plug in the cable . - 43 - ASUS Proprietary...
  • Page 36 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 4.The charging Indicate LED will On. 5.REFER TO BELOW TABLE WITH THE MEASUREMENT. Test Item Min Value Max Value Normal Charging Current consumption 490mA 510mA - 44 - ASUS Proprietary...
  • Page 37: Rf Repair Sw & Hw Requirement

    18.3 Equipment: : : : 1. PC 2. Spectrum Analyzer (up to 3.0 GHz) 3. Signal Generator (up to 3.0GHz) 4. Communication tester: Agilent 8960, CMU200 or Anritsu 8820 5. Digital Multi-meter 6. Power Supply - 45 - ASUS Proprietary...
  • Page 38: P735 Rf Block Diagram

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 19. P735 RF Block Diagram 19.1 System Block Diagram Receiver WCDMA Phone AFE/Codec Jack Maxim 3G RFMD Cedar Creek Speaker WLAN Hermon (Comm. CPU) Bulverde PMIC SD RAM (App.
  • Page 39: Gsm/Gprs - Gsm Rfmd Polarisi Block Diagram

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 19.2 GSM/GPRS – GSM RFMD Polaris I Block Diagram - 47 - ASUS Proprietary...
  • Page 40: Wcdma - Maxim 3G Block Diagram

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 19.3 WCDMA – Maxim 3G Block Diagram - 48 - ASUS Proprietary...
  • Page 41: Bluetooth - Csr Bc04 Block Diagram

    電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 19.4 Bluetooth – CSR BC04 Block Diagram (1) BT Introduction Frequency: 2402(ch0) ~ 2480(ch78) MHz Maximum Transmitter power: -6 ~ +4 dBm (2) Bluetooth circuitry - 49 - ASUS Proprietary...
  • Page 42: Rf Circuit Test Points Location

    20.1 Backside Antenna Area Test Points Connector. GSM ANT1 WCDMA.ANT1 WCDMA RF Connector. 20.2 GSM/GPRS Test Points Definition of test points suffix: TH:Tx Highband, DCS1800 & PCS 1900 TL:Tx Lowband, GSM900 RG:Rx GSM900 RP:Rx PCS1900 RD:Rx DCS1800 - 50 - ASUS Proprietary...
  • Page 43 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual GSM.ANT2 GSM.TH1 GSM.TL1 GSM.RP1 GSM.RG1 GSM.RD1 GSM.RG2 GSM.RD2 GSM.RP2 GSM.TL2 GSM.TL3 GSM.TH2 GSM.TH3 - 51 - ASUS Proprietary...
  • Page 44: Wcdma Test Points

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 20.3 WCDMA Test Points WCDMA.R2 WCDMA. ANT2 WCDMA.R3 WCDMA.T1 WCDMA.R1 WCDMA.T2 WCDMA.T4 WCDMA.T5 WCDMA.T3 - 52 - ASUS Proprietary...
  • Page 45: Gsm & Wcdma Rf Tx/Rx Path

    Lv3Lv4 Repair Manual 21. GSM & WCDMA RF Tx/Rx Path How RF signal is transmitted and received between components on P735 PCB is explained in this section. It is important to realize RF transmission path (Tx) and receiving path (Rx) before starting out to repair NG PCB, because engineers need to choose proper test points which assist us to distinguish where the problem is.
  • Page 46: Wcdma Tx Path

    RMPA2259 Pin2 sequentially. The output power coming from RMPA2259 Pin8 passes through isolator (U954), duplexer Pin1 (U956), and connector (Con851). At last, the RF signal is radiated via WCDMA antenna of P735. 21.4 WCDMA Rx path RF signal in WCDMA, receiving from base station via the WCDMA antenna, passes through connector (Con851) and duplexer Pin3 sequentially.
  • Page 47: Rf Test & Repair Flow Chart

    USIM, check if both 2G/3G signal OK? Update the latest firmware Test complete *1:Refer to appendix A1 for GSM/GPRS typical values of conductive test *2:Refer to appendix A2 for WCDMA typical values of conductive test - 55 - ASUS Proprietary...
  • Page 48 Change U901 (RF2722) Reheat or change Run CMU go Hermon production tests Still failed by changing U901 *1:Refer to appendix B1 for Tx test environment setup *2:Refer to appendix B2 for Rx test environment setup - 56 - ASUS Proprietary...
  • Page 49: Wcdma Test & Repair Procedure

    Change U953 WCDMA.T4 (RMPA2259) signal OK? Still failed by change U958 Run CMU go Change BPF5 WCDMA.T5 Reheat or change production tests (Tx SAW) signal OK? Hermon Change U957 (MAX2395) Still failed by changing U957 - 57 - ASUS Proprietary...
  • Page 50 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual *1:Refer to appendix B1 for Tx test environment setup *2:Refer to appendix B2 for Rx test environment setup - 58 - ASUS Proprietary...
  • Page 51: Bluetooth Test & Repair Procedure

    華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 22.4 Bluetooth Test & Repair Procedure - 59 - ASUS Proprietary...
  • Page 52: Test Points Signal Examples

    腦 ■ Lv3Lv4 Repair Manual 23. Test Points Signal Examples 23.1 GSM900 Due to the spec of probe is not exactly the same, please use the “working sample” for signal reference. GSM.ANT1: GSM.ANT2 & GSM.TL1 - 60 - ASUS Proprietary...
  • Page 53 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual GSM.TL2 & GSM.TL3 GSM.RG1 - 61 - ASUS Proprietary...
  • Page 54 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual GSM.RG2 - 62 - ASUS Proprietary...
  • Page 55: Dcs1800

    電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 23.2 DCS1800 Due to the spec of probe is not exactly the same, please use the “working sample” for signal reference. GSM.ANT1 GSM.ANT2 & GSM.TH1 - 63 - ASUS Proprietary...
  • Page 56 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual GSM.TH2 & GSM.TH3 GSM.RD1 - 64 - ASUS Proprietary...
  • Page 57 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual GSM.RD2 - 65 - ASUS Proprietary...
  • Page 58: Pcs1900

    電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 23.3 PCS1900 Due to the spec of probe is not exactly the same, please use the “working sample” for signal reference. GSM.ANT1 GSM.ANT2 & GSM.TH1 - 66 - ASUS Proprietary...
  • Page 59 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual GSM.TH2 & GSM.TH3 GSM.RP1 - 67 - ASUS Proprietary...
  • Page 60 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual GSM.RP2 - 68 - ASUS Proprietary...
  • Page 61: Wcdma

    電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual 23.4 WCDMA Due to the spec of probe is not exactly the same, please use the “working sample” for signal reference. WCDMA.ANT1 WCDMA.ANT2 (Tx ) - 69 - ASUS Proprietary...
  • Page 62 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual WCDMA.T1 WCDMA.T2 - 70 - ASUS Proprietary...
  • Page 63 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual WCDMA.T3 WCDMA.T4 - 71 - ASUS Proprietary...
  • Page 64 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual WCDMA.T5 WCDMA.ANT2 (Rx) - 72 - ASUS Proprietary...
  • Page 65 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual WCDMA.R1 WCDMA.R2 - 73 - ASUS Proprietary...
  • Page 66 華 碩 電 腦 華 碩 電 腦 ■ Lv3Lv4 Repair Manual WCDMA.R3 - 74 - ASUS Proprietary...
  • Page 67: Bluetooth

    23.5 Bluetooth Turn on the phone, make sure if BT can be enable. (1)Confirm if BT is enabled or not BT Disable BT Enable (2)Turn off Bluetooth functionality: Start My settings Bluetooth Turn off BT - 75 - ASUS Proprietary...
  • Page 68 Let BT chip transmit its maximum power at 2441MHz. (iv) TXSTART 2480 : Let BT chip transmit its maximum power at 2480MHz. (v) BT Module Test : Test the connection between BT Module and BaseBand. - 76 - ASUS Proprietary...
  • Page 69 Lv3Lv4 Repair Manual (6)Choose one of three option 2, 3, 4, and select it. (7)While the program is running, please do not running another option in the meantime or the program will show error message “ADFS06”. - 77 - ASUS Proprietary...
  • Page 70 Apparently, the wireless performance will differ within ±2dBm. If the deviation of DUT is beyond the normal value, go straight for next step. * The testing position should be the same with golden sample to reduce testing uncertainty. BT Antenna in Bottom side - 78 - ASUS Proprietary...
  • Page 71 Afterwards, the BT output power still abnormal, change the BT chip. Antenna feed pin BT Area P735 bottom view BT area Balance Filter BT Output BT Chip testing point 1...
  • Page 72: Appendix

    +/- 1.5 9750 1950 (all up bit) 9888 1977.6 WCDMA Rx Typical Value Sensitivity Level - BER < 0.1% (dBm) Frequency. Band Channel No. Maximum (MHz) 10562 2112.4 WCDMA Rx -111 10700 2140 10838 2167.6 - 80 - ASUS Proprietary...
  • Page 73 2. Specific Fixture for repair and test, including Hermon USB contact Power Supply contact 3. RF Probe with DC block and RF cable (30cm) 4. Spectrum Analyzer 5. Digital Multi-meter Example of Tx Test Environment Setup: - 81 - ASUS Proprietary...
  • Page 74: R Xtest Environment Setup

    2. Specific Fixture for repair and test, including Hermon USB contact Power Supply contact C. RF connector and RF cable 3. RF Probe with DC block and RF cable (30cm) 4. Signal Generator Example of Rx Test Environment Setup: - 82 - ASUS Proprietary...

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