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GTC ■ Service Manual
P565 Level 3,4

Trouble Shooting Guide

Ver 1.0
1

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Summary of Contents for Asus P565

  • Page 1: Trouble Shooting Guide

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual P565 Level 3,4 Trouble Shooting Guide Ver 1.0...
  • Page 2: Table Of Contents

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual CONTENT Chapter 1. OVERVIEW ..............4 1.1 System Block Diagram 1.2 Power-On Sequence 1.3 Main Specification 1.4 Device exterior description 1.5 On Board Major Components Location 1.6 Debugging Equipments 2.
  • Page 3 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure Figure1 nBATT_FAULT Circuit........ 17 Figure 2 Vibrator mechanism ........20 Figure 3 microSD Power ..........21 Figure 4 Indication LED Circuit ........ . 22 Figure 5 Keypad LED Power........22 Figure 6 Camera power..........
  • Page 4: Overview

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1. OVERVIEW 1.1 System Block Diagram...
  • Page 5: Power-On Sequence

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.2 Power-On Sequence 1.2.1 Start-up Timing Diagram...
  • Page 6 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.2.2 36KHz and 26MHz Start-up Timing 1.2.3 Power-On Sequence Check Point a. VCC_BBAT_TAVOR b. nHWRST_OUT_R c. nBATT_LOW d. 32KHz(TXTAL_IN) e. SYS_EN f. VCC_MVT g. SYS_EN Power Group h. PWR_EN i.
  • Page 7: Main Specification

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.3 Main Specification HSDPA 3.6Mbps, UMTS 2100 Networks EDGE/GPRS/GSM 900/1800/1900, Class 10 Operating System Microsoft Windows® Mobile™ 6.1 Professional Marvell Tavor 800MHz Memory 256 MB Flash + 128MB SDRAM Connectivity WLAN 802.11b+g, USB v1.1(FS), Bluetooth 2.0+EDR SiRF Star III with InstantFix...
  • Page 8: Device Exterior Description

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.4 Device exterior description 1.4.1 FRONT and BACK SIDE...
  • Page 9 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.4.2 OTHER SIDE...
  • Page 10: On Board Major Components Location

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.5 On Board Major Components Location 1.5.1 FRAON SIDE...
  • Page 11 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.5.2 BACKT SIDE...
  • Page 12: Debugging Equipments

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1.6 Debugging Equipments Oscilloscope Soldering Iron...
  • Page 13 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Power Supply Reheat fan...
  • Page 14 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Voltmeter...
  • Page 15: Baseband Trouble Shooting

    ASUS PDA phone ASGM5. The repair methodology provided in this manual is strictly for the ASGM5 model ONLY, trouble shooting methodology for the other ASUS designed PDA phone will not be included in this document.
  • Page 16 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual B. VCC_BBAT= 2.9V If VCC_BBAT is < 2.9V, please examine chip U901 and the resistors/capacitors around it. Observe if there is any defect. C. nBATT_FAULT(R321) = 2.9V If incorrect voltage is observed, please examine any possible defect on U303, U304, U305, U306 and the surrounding components.
  • Page 17: Figure1 Nbatt_Fault Circuit

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual If all the power domains measured in procedure 1-E are correct, but PWR_EN is measured at an incorrect level, then it is most likely that there is a defect on U901 or U301 H.
  • Page 18 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual If all the voltage measurement performed in procedure 1 are all normal, but the device is still unable to power up, it is advise to use the oscilloscope to measure R433(OneNAND_nCS) and observe if there is any high-low transition;...
  • Page 19: Device Peripheral Trouble Shooting

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual f) VCC_MVT g) SYS_EN Power Group (VCC_MVT;VBUCK3;VCC_MVT_PLL_CORE;VCC_MVT_CLK;LDO2;LDO3) h) PWR_EN i) PWR_SDA,PWR_SCL j) V_APP;V_COMM k) 26MHz l) OneNAND_nCS m) SD0 2.3 Device Peripheral Trouble Shooting (MMI Testing) 2.3.1 LCD Display Test This test item is for LCM interface and backlight, if this item NG, please check the following signal: A.
  • Page 20: Figure 2 Vibrator Mechanism

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 2.3.2 Vibrator Test If the vibrator is not functioning, please check if VIBRA_C0 voltage is measured at 3V and also no defect is found on component R1516 or D1501, then it is likely that U1505 is defective.
  • Page 21: Figure 3 Microsd Power

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual make sure that sub board and main board BTOB connector are not defective. D. Please verify if VCC_MMC = 2.9V(on the sub board) If not, it is likely that U4 is defective Figure 3 microSD Power 2.3.6 LED Test Two type of LED are tested here.
  • Page 22: Figure 4 Indication Led Circuit

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure 4 Indication LED Circuit If it is the Keypad LED not functioning properly, please check if VCC_KB_LED=2.9V (on the keypad board) if not, then it is likely U1 is defective.
  • Page 23: Figure 6 Camera Power

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual motor) Figure 6 Camera power ● 3M_PWRDN=0V ● 3M_nRESET=1.8V ● Check if any of the components on figure 7 and figure 8 is defected. ● Check VSYNC、HSYNC、PCLK has the high-low transaction...
  • Page 24: Figure 7 Camera Bus

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure 7 Camera Bus Figure 8 Camera Bus 2.3.8 SIM Test If unable to read SIM card scenario is observed, please try to replace device’s sub board first. If this still does not solve the problem, please examining the following: ●...
  • Page 25: Figure 9 Sim Card Connector Circuit

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual be measured at 1.8V or 3.3.V, SIM_CLK should be able to observe a clock signal and SIM_DAT should be able to observe a high-low transition signal. If any of the above signals is incorrect, then it is likely that U301 is defective.
  • Page 26: Figure 10 Charger Ic Circuit

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure 10 Charger IC Circuit Unable to read battery information: ● Verify if 1-WIRE sends out signal periodically. ● Verify if R1107 is still mounted properly ● Verify if 1.8V can be measured on V_LDO2 measured. If any of above signal is incorrect, please check if CPU(U301) or PMU (U901) is defective.
  • Page 27: Figure 11 Battery Information Circuit

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure 11 Battery Information Circuit 2.3.10 SDRAM Test It is rare to observe this type of defect, but if this does occur, it is likely that U605 is defective.
  • Page 28: Figure 12 Sdram Circuit

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure 12 . SDRAM Circuit...
  • Page 29 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 2.3.11 Audio Test 2.3.11.1 Headset Defect Please check if there is any external damage to the headphone connector first, if not, please verifies the following: ● Unable to detect headphone Verify if JACK_IN_DET is 1.8V when the headphone is unplugged.
  • Page 30: Figure 13 Headset Mechanism

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure 13 Headset mechanism 2.3.11.2 Speaker Defect Please verify if the speaker mounted on the case is contacting with on board speaker pin correctly. Otherwise, please follow the below debugging procedure: ●...
  • Page 31 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual that U1003 is defected. A. Speaker Please verify if the speaker mounted on the case is contacting with on board speaker pin correctly. Otherwise, please follow the below debugging procedure: a.
  • Page 32: Figure 14 Class D Amp For Speaker

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Figure 14. Class D Amp for speaker...
  • Page 33: Figure 15 Microphone Circuit

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual b. On-Board Microphone record fail If recording performance is not good,U1002 NG. If no recording signal measured, then check the related component1003,C1004,C1005,R1016,C1006,R1018,C1009,C1007. Figure 15. Microphone Circuit B. Receiver no sound Check C1035,C1036,R1028,R1029,C1031,C1033,C1042,C1034.If these are all ok, check related balls of U901.
  • Page 34 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 2.3.12 Touch Panel Defect ● Verify if touch panel’s FPC is connected properly onto the connector on the keypad board. ● Verify if keypad board is defective by replacing a new keypad.Verify if touch panel is defective by replacing a new panel...
  • Page 35: Rf Trouble Shooting

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3.RF Trouble Shooting 3.1 Equipment Requirements 3.1.1 Software requirements Phone Tool Modem Firmware:Latest Version GM5 debug tool 3.1.2 Hardware requirements Test Fixture Oscilloscope and Agilent Spectrum Analyzer Agilent 8960 or Anritsu 8820 3.1.3 Instrument requirements Wireless communication test set (Agilent 8960, R&S CMU9020, Anritsu 8820)
  • Page 36: Rf Block Diagram

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3.2. RF Block Diagram 3.2.1 GSM block diagram...
  • Page 37 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3.2.2 WCDMA block diagram...
  • Page 38 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3.2.3 Bluetooth and WLAN block diagram...
  • Page 39: Procedures Of Rf Repair

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3.2.4 GPS block diagram 3.3. Procedures of RF Repair 3.3.1 GSM repair procedure A. TEST POINTS a. Front End (RF Switch) part: Including GSM Tx and Rx traces Test point : C1806...
  • Page 40 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual b. PA part : For GSM Tx trace Test point : C1836, C1839...
  • Page 41 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual c. Transceiver part : For GSM Tx and Rx parts Tx part Test point : C1844, C1842 Rx part Test point : C1827, C1825, C1832, C1814...
  • Page 42 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual B. Components displacement a..Front end part : C1806...
  • Page 43 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual b. PA part : C1836, C1839 c. Transceiver part Tx part : C1844, C1842...
  • Page 44 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Rx part : C1827, C1825, C1832, C1814 Mobile boot issue RF part Test point : C1802...
  • Page 45 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual e. RF Connector function check Test point : L1803 and R1833...
  • Page 46 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual C. GSM fault finding chart Tx function check flow chart...
  • Page 47 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Rx function Check flow chart D. The setups for the mobile hardware testing and testing results Test Setting :...
  • Page 48 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Tx function check (1) Transceiver part The following signals are got by using the above test setting. EGSM band Test point : C1844 DCS band Test point : C1842...
  • Page 49 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2) PA part EGSM band Test point : C1836 DCS band Test point : C1839...
  • Page 50 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (3) Front end (RF Switch) part EGSM band Test point : C1806 DCS band Test point : C1806...
  • Page 51 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual E. GSM antenna trace (RF connector function check) To identify whether the GSM antaean trace is conducted or not, the conductivity of CON1801 should be examined. This conductivity could be measured between L1803 and R1833 with the light meter.
  • Page 52 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Rx function (1) RF connector function check EGSM band Test point : C1806 DCS band Test point : C1806...
  • Page 53 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2)Front end (RF switch) Rx function check EGSM band Test point : C1827 DCS band Test point : C1826...
  • Page 54 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3.3.2 WCDMA repair procedure A. WCDAM Circuit blocks and Test points ● Circuit blocks Tx trace (1)Transmitter part : For WCDMA Tx trace Test point : C1921...
  • Page 55 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2) PA part : For WCDMA Tx trace Test point : C1946 (3) Coupling part Test point : R1913...
  • Page 56 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (4) TR switch part Test point : C1806 (5) Power detector, input part Test point : R1925...
  • Page 57 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (6) Power detector, output part Test point : C1938 Rx trace (1) RF connector Test point : C1806...
  • Page 58 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2) TR switch , Rx part Test point : C1934 (3) LNA and saw filter part Test point : C1930...
  • Page 59 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual B. Components displacement Tx trace (1) Transmitter part : Saw filter function Test point : C1921 (2) PA part Test point : C1946...
  • Page 60 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (3) Coupling part Test point : R1913 (4) TR switch, WCDMA, transmitte function Test point : C1806...
  • Page 61 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (5) WCDMA power detector function check, input point Test point : R1925 (6) WCDMA power detector function check, output point Test point : C1938 Rx trace (1) RF connector, CON1801 function Test point : C1806...
  • Page 62 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2) WCDMA TR switch, receiver function Test point : C1943 (3) WCDMA, LNA and Saw filter function Test point : C1930...
  • Page 63 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual C. WCDMA fault finding chart Tx function check flow chart...
  • Page 64 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Rx function Check flow chart D. The setups for the mobile hardware testing and testing results Test Setting :...
  • Page 65 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Tx function check, testing results (1) Transceiver part : saw filter function Test point : C1921 (2) PA part Test point : C1946...
  • Page 66 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (3) Coupling part Test point : R1913 (4) WCDMA TR switch, transmit function Test point : C1806...
  • Page 67 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (5) WCDMA power detector, input point Test point : R1925 (6) WCDMA power detector, output point Test point : C1938...
  • Page 68 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (7) GSM antenna trace (RF connector function check) To identify whether the GSM antaean trace is conducted or not, the conductivity of CON1801 should be examined. This conductivity could be measured between L1803 and R1833 with the light meter.
  • Page 69 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2) WCDMA TR switch, receiver function Test point : C1943 (4) WCDMA, LNA and Saw filter function Test point : C1930...
  • Page 70 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3.3.3 Bluetooth/WiFi repair procedure A. Bluetooth/WiFi Circuit blocks and Test points ● Circuit blocks The flow chart of Bluetooth and WLAN debug is shown below.
  • Page 71: Appendix

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual The purpose of Bluetooth and WLAN debug process is to find out where the problem is on Bluetooth and WLAN path. In other words, engineers can judge the defect component on RF path by using “BT Debug tool”...
  • Page 72 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (1) Bluetooth ● R1791 Check whether combo module (U804) operates normally or not. U804 needs to be replaced if improper RF power, no power or lower power than that on the golden sample, is measured on R1791.
  • Page 73 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2) WLAN ● R1767 Check whether combo module (U804) operates normally or not. U804 needs to be replaced if improper RF power, no power or lower power than that on the golden sample, is measured on R1767.
  • Page 74 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual WLAN signal measurement on the spectrum analyzer. 3.3.4 GPS repair procedure A. Test points (1) GPS Active Path Test point : L2001, R2004, U2002 pin 4 & pin 6...
  • Page 75 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (2) Passive Path Test point : C2010, L2003, R2005, R2027 (3) SiRF LT main chip Test point : C2066, C2026, C2027, C2028...
  • Page 76 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual ● Crystal function Test point : C2036 ● RTC function Test point : R2066...
  • Page 77 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual B. Component displacement (1) Components and test points positions :...
  • Page 78: Appendix

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual C. GPS Hardware Examination Procedure The GPS examination procedure includes six parts. In the six parts, SiRFDemo PPC program must be used. (Appendix A) (1) Start the SiRFDemoPPC program. Then, make sure that the GPS comport setting is [Port:COM6][Baud Rate: 57600].
  • Page 79 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 1 CON2001 function check Test point : L2001 If the following signal can not be measured by the spectrum analyzer, the CON2001 should be replaced by a new one. 2.
  • Page 80 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual (4) Passive Path Fault Finding Chart...
  • Page 81 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual ● Passive trace testing Testing condition : 1. CON2002 function check Test point : C2010 If the following signal can not be measured by the spectrum analyzer, the CON2002 should be replaced by a new one.
  • Page 82 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 2. U2005 function check Test point : L2003 If the following signal can not be measured by the spectrum analyzer, the U2005 should be replaced by a new one. 3.
  • Page 83 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 4 U2006 function check Test point : R2027 If the following signal can not be measured by the spectrum analyzer, the U2006 should be replaced by a new one. (5)SiRF LT Chip Fault finding chart 1 SiRF LT main chip function check Test points : C2066, C2028, C2026, C2027...
  • Page 84 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Test point : C2036 If the following signal can not be measured by the oscilloscope, the main OSC2001 should be replaced by a new one. 3 RTC function check Test point : R2066 If the following signal can not be measured by the oscilloscope, the main X2001 should be replaced by a new one.
  • Page 85: Bluetooth Debug Tool Operation

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Appendix 1. Bluetooth Debug Tool Operation Step1: Install “GM2_BT_TEST.CAB” on GSM and then generate “CSR_BT_TEST” debug tool in “My Documents” folder. Execute CSR_BT_TEST. Step2: Click “Turn On Test Mode” in the “Test Mode” sheet.
  • Page 86 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Step3: Enter frequency and power level in the “TxStart” sheet. Step4: Press “Start” and RF signal is transmitted.
  • Page 87 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Step5: Click “Re-Test” to stop transmit RF power. Step6: Click “Close AP” to close debug tool.
  • Page 88: Wlan Debug Tool Operation

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 2. WLAN Debug Tool Operation Step1: Install ”EnableWiFiMFG_NoBCA.CAB” on GM2 Step2: After installing WLAN debug tool, reboot GM2...
  • Page 89 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Step3: Click “Wi-Fi” once time in the “Wireless Manager” Step4: Execute “MfgUtility_NoBCA” debug tool in “Programs” folder.
  • Page 90 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Step5: Choose “Info” and then press “Select” Step6: Check the version of debug tool like below and then press “Exit”...
  • Page 91 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Step7: Choose “Tx” and then press “Select” Step8: Choose WLAN parameters like below and then press “Start” in the “Menu” to transmit RF power.
  • Page 92 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual Step9: Choose “Stop” in the “Menu” to stop RF signal and then press “Exit” to close WLAN debug tool.
  • Page 93: Sirf Demo Tool Using

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 3. SiRF demo tool using...
  • Page 94 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual...
  • Page 95 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual...
  • Page 96 華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual...
  • Page 97: Gps Firmware Download

    華 碩 電 腦 華 碩 電 腦 GTC ■ Service Manual 4. GPS firmware download...

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