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Lenovo S660 Service Manual
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Lenovo S660 Service Manual

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Company confidential
Lenovo S660 Service Manual
Publisher：NJD HW Team
Date：2014.02.28

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Summary of Contents for Lenovo S660

  • Page 1 Company confidential Lenovo S660 Service Manual Publisher：NJD HW Team Date：2014.02.28...

  • Page 2: Function Block

    Function Block Company confidential...
  • Page 3 M/B Top Placement #1 Receiver Audio Jack crystal SKY77593 MT6166 FLASH Backlig ht IC MT6582 MT6627 Charge MB to SB connector Company confidential...
  • Page 4 M/B Bottom Placement #2 Connector Sensor G-Sensor Connector Mic 2 Audi o PA BACK UP BATTERY Camera Connector DUAL SIM CONNECTOR crystal TF CARD CONNECTOR connector MT6323 Battery connector Company confidential...
  • Page 5 BB Common Question • BB-1 Power on failure (無法開機) • BB-2 Firmware update failure (無法更新軟件) • BB-3 Charging failure (無法充電) • BB-4 SIM Card identified error (SIM卡無法識別) • BB-5 LCD display error (畫面無法顯示或顯示異常) • BB-6 Sensor function failure (感測器不良) • BB-7 Touch Panel function failure (無法觸屏) •...
  • Page 6 BB-1 Can not power on (無法開機) (1/3) • 1. Check if battery power level is low (確認電池是否有電?) – VBATT (TP09 > 3.6V) • 2. Check if J802 soldering condition is good (確認J802吃錫狀況是否正常?) • 3. Check if power button is functional (確認開機鍵是否正常?) –...
  • Page 7 BB-1 Can not power on (無法開機) (2/3) • 5. Please check whether MT6323 voltage is normal (請確認MT6323周圍電壓是否 正常?) – VPROC_PMU should be between C134 (0.9V~1.1V) – VSYS_PMU should at R373 (1.8V) VPROC_PMU VSYS_PMU Company confidential...
  • Page 8 BB-1 Can not power on (無法開機) (3/3) MT6323 Power On/Off sequence VCORE≈0.7V~1.3V VPORC≈0.7V~1.3V VIO18=1.8V VIO28=2.8V VM12_INT=1.2V VA1=2.5V VA2=2.5V VUSB=3.3V VTCXO=2.8V VMC=3.3V VMCH=3.3V RESET=1.8V Company confidential...
  • Page 9 BB-2 Can not download (無法更新軟件) (1/3) • 1. Please check whether current is normal after boot (確認開機後電流起跳正常) • (記憶體中無代碼時，電池電流約在0.1A左右) • 2. If current in booting process is larger or less than normal, USB port will be unidentified (開機過程中如果電流過大或過小，會造成USB port無法識別) • 3.
  • Page 10 BB-2 Can not download (無法更新軟件) (2/3) • 4. If DL is passed, and META mode is un-entered, check RF transceiver 26MHz and RF chip function (若可以正常DL，但無法進入META mode，檢查RF transceiver 26MHz及RF chip是否正常。) Company confidential...
  • Page 11 BB-2 Can not download (無法更新軟件) (3/3) • 5. Check if com port is correct (確認com port是否正確) Company confidential...
  • Page 12 BB-3 Can not charging (無法充電) (1/2) 1. Check if battery resistance R332 Pin1(BAT_ID) is 10kΩ when • battery is installed (確認電池內阻R332 Pin1 (BAT_ID)， 當接 電池 後阻抗應該約10kΩ.) • 2. Check battery voltage, if 0V reveals open circuit (確認電池電壓 是否為正常，異常為0V (開路)) • 3.
  • Page 13 BB-3 Can not charging (無法充電) (2/2) • 4. Check charging IC and related circuit soldering condition is good (確認充電IC 及周围电路焊接是否 常。) – When USB port has be inserted, VBUS should be at 5V output (VBUS在USB 插入時，是否有5V 右的电压输出。) Company confidential...
  • Page 14 BB-4 SIM Card Identification error (SIM卡無法識別) (1/2) • 1. Check if SIM Card is in normal condition (更換SIM卡，確認卡片是否正常?) • 2. Check if J3200 soldering condition is normal (確認J3200吃錫狀況是否正常?) • 3. Check SIM related signal SRST, VSIM, SIO and SCLK (確認SIM 相關訊號) –...
  • Page 15 BB-4 SIM Card Identification error (SIM卡無法識別) (2/2) SIM1/SIM2的供电电 压各来自PMU的两 组LDO output SIM1/SIM2 output voltage are coming from two LDO output of PMU SIM1和SIM2的 DATA/RST/CLOCK 单独分开使用 DATA/RST/CLOCK of SIM1 and SIM2 are used seperately Company confidential...
  • Page 16 BB-5 Can not display (畫面無法顯示或顯示異常) • 1. Check J904 soldering condition (確認J904是否有異狀[鍚短 or 空焊]?) • 2. Replace LCD (更換LCM) • If failure still exists after LCM replacement (若更換良品後，現象還存在) • 3. Check L1202 L1203 L1204 condition (檢查L1202, L1203, L1204否有異狀?) • 4. Check if LCM voltage (VIO28_PMU及VIO18_PMU) are correct (確認LCM 電壓 (VIO28_PMU及VIO18_PMU)位準是否正確?) •...
  • Page 17 BB-6 sensor function fail (感測器不良) (1/2) • 所有的sensor都是由I2C總線，中斷信號，電源組成.I2C總線上sensor間會相互影響， 所以維修某個 sensor不良時需要同 檢查其他sensor路徑。 • All sensors are consisted by I2C bus, interrupt signal and power. Sensors on I2C bus are affected by each other, therefore related sensors checking is needed when repairing sensor. G-sensor供电电压。该电压等同于...
  • Page 18 BB-6 sensor function fail (感測器不良) (2/2) G-sensor I2C通過上拉電阻連接到CPU，此I2C與touch panel共用， VDD18_PMU異常會造成所有sensor fail。 G-sensor I2C connect to CPU with Pull-up resistor, which share with touch panel, VDD18_PMU error will lead to all sensors failure. Company confidential...
  • Page 19 BB-7 Touch Panel no function (無法觸屏) (1/2) • 1. Check if TP connector is loosen (確認TP Connector 是否鬆脫?) • 2. Replace TP (更換TP) • If failure still exists after TP replacement (若更換後良品後，現象還存在) • 3. Check if J2001 is on failure (確認J2001是否有異狀[鍚短 or 空焊]? ) •...
  • Page 20 BB-7 Touch Panel no function (無法觸屏) (2/2) • TP circuit 復位信號 Reset Signal TP 作電壓 2.8V/1.8V TP Working Voltage 2.8v/1.8v Company confidential...
  • Page 21 BB-8 Vibrator no function (馬達無振動) • 1. Check if motor is in normal condition (Resistance is 30Ω) (確認馬達是否正常 (馬達阻抗約30Ω)) • 2. Check if motor soldering condition (確認馬達是否有異狀[鍚短 or 空焊]?) • 3. Check if D309 is reversed, C331 soldering condition is good (檢查D309是否反 向，C331焊接是否有异常[鍚短...
  • Page 22 BB-9 Camera can not turn on (無法攝像) (1/4) • 1. Check camera module has been well assembled (確認組裝是否到位?) • 2. Replace camera module (更換camera module) • If failure still exists after camera module replaced (若更換後良品後，現象還存在) • 3. Check J902 is in normal condition (確認J902是否有異狀[鍚短 or 空焊]? ) •...
  • Page 23 BB-9 Camera can not turn on (無法攝像) (2/4) • 主camera的4組 作電壓均是由PMU LDO輸出通過給camera • All 4 working voltage of main camera are inputted from PMU LDO Camera 源頭路徑 Company confidential...
  • Page 24 BB-9 Camera can not turn on (無法攝像) (3/4) • 1:無法進入拍攝模式, 為camera無法通過I2C信號 被CPU 常識別造成, 不良主要查供電 /reset/CLK/PWD是否 常 • 1. Camera shooting model is not accessible. The main cause is camera cannot be identified by CPU via I2C, need to check power supply for camera.
  • Page 25 BB-9 Camera can not turn on (無法攝像) (4/4) VREF/HREF: Sensor垂直/水平參考信號 Sensor reference of horizon and vertical MCLK: 來自CPU的主時鐘輸出 Main clock from CPU PCLK: 象數時鐘輸入 Clock input from image-numerology Company confidential...
  • Page 26 BB-10 MIC no function (麥克風無作用) • 1. 確認J1003 Microphone是否正常 (正常Mic阻抗約0.95KΩ) – Check if J1003 Microphone is in normal condition, MIC resistance should be at 0.95KΩ. • 2. 確認MIC 周邊電路是否有異狀[鍚短 or 空焊]? – Check MIC and related circuit soldering condition. MIC1 MIC2 Company confidential...
  • Page 27 BB-11 Speaker no function (喇叭無聲) • 1. 確認MB to SB FPC是否連接ok • Check MB to SB FPC is well connected • 2. 確認Speaker彈腳及阻抗是否正常 (正常阻抗約8Ω) • Check speaker shrapnel and resistance are at normal condition (normal resistance is 8Ω) • 3. 確認Speaker周邊電路是否異常？[鍚短 or 空焊]? •...
  • Page 28 BB-12 Audio function fail (Audio 不良) (1/4) Audio类不良针对不同测试项fail,检查不同的路径. 1:wave play back fail测的是SPK路径. 2:receiver fail 测的是手机听筒路径. 3:headset fail 测的是耳机 右声道路径. 4:phone mic1 to headset fail 测的是手机MIC1路径. 5:phone mic1 to headset fail 测的是手机MIC1路径. 6:headsetmic to headset fail 测的是耳机MIC路径. Check relevant path for different test item failure for Audio error 1:wave play back fail ...
  • Page 29 BB-12 Audio function fail (Audio 不良) (1/4)  Speaker path: PMU給出SPK信號進入Audio PA 進行放大處理 PMU output SPK signal to Audio PA to amplify Audio PA 輸出放 大后的SPK信號 Audio PA output SPK signal after amplifying Company confidential...
  • Page 30 BB-12 Audio function fail (Audio 不良) (2/4)  Receiver path: 聽筒無聲,優先check 0om是否 通 Check 0Com first if receiver is not functional PMU輸出音頻信號 PMU output audio signal  Phone MIC path 為MIC提供偏置電壓 Provide bias voltage for MIC MIC信號輸入到 PMU進行音頻處理 MIC signal input to PMU to process audio Company confidential...
  • Page 31 BB-12 Audio function fail (Audio 不良) (3/4)  耳機 右聲道電路: Earphone L/R channel circuit PMU輸出耳機音頻信號 耳機 右聲道連接 audio jack PMU output earphone audio Earphone L/R channel link to audio jack signal 耳機MIC路徑 Earphone MIC path 耳機掛機鍵偵測信號 Earphone dial- 耳機插入偵測PIN button detection Earphone insert detection pin Company confidential...
  • Page 32 BB-12 Audio function fail (Audio 不良) (4/4)  耳機MIC電路 Earphone MIC Circuit: 為耳機MIC提供偏置電壓 Provide bias votage for earphone MIC 耳機MIC信號通過差分電路進入PMU作音頻處理 Earphone MIC signal output to PMU to be process by differential circuit Company confidential...
  • Page 33 BB-13 SD Card no function (SD Card無作用) • 1. Check SD card is been inserted properly (確認SD CARD有確實卡到位) • 2. Check SD card related circuit are in good condition (確認SD Card周邊電路是 否異常？[鍚短 or 空焊]?) SD card 數據傳輸 SD card 供電端 Data transmission Power supply SD card 控制信號...
  • Page 34 WIFI/BT/GPS WIFI/BT/GPS 功能使用的IC為MTK MT6627 WIFI/BT/GPS IC are MTK MT6627 I/Q Signal Connect to CPU MT6582 獨立的26M TCXO，Output SCLK,DataSignal Clock to MT6627 Separate 26M TCXO, output clock to MT6627 Company confidential...
  • Page 35 WIFI/BT/GPS  MT6627 Power Supply Output to MT6627 From PMU MT6323 Company confidential...
  • Page 36 GSM PA + Switch Logic control table GSM HB/LB Rx Logic control signal WCDMA Band HB/LB TRx GSM Vbat GSM LB Tx input GSM HB Tx input Company confidential...
  • Page 37 GSM RX GSM HB/LB Circuit: 2G LB Rx Balance output to transceiver LB Port 2G HB Rx Balance output to transceiver HB Port Company confidential...
  • Page 38 WCDMA Band1/8 TRx (VV36/38) Rx balance to transceiver TRx connect with ANT Switch Rx balance to transceiver TRx connect with ANT Switch Band 8 Tx Tx from Transceiver Band 1 Tx Company confidential...
  • Page 39 WCDMA Band2/5 TRx (VV37) Rx balance to transceiver TRx connect with ANT Switch Rx balance to transceiver TRx connect with ANT Switch Band 5 Tx Tx from Transceiver Band 2 Tx Company confidential...
  • Page 40 RF introduction: MT6166 Function Block Company confidential...
  • Page 41 RF introduction: MT6166 Pin assignment Company confidential...
  • Page 42 RF introduction: Antenna Circuit • Antenna Circuit RF天線主要包含了 2G/3G/WIFI/GPS, 其匹配電路分別描述如 Main ANT RF Paths RF antenna consists 2G/3G/WIFI/GPS, Description as right diagram WIFI ANT RF Paths Wifi /BT path GPS path Company confidential...
  • Page 43 RF introduction:2G/3G Main Antenna Position ANT Matching MB RF Switch Connect to Sub by Coaxial Cable Company confidential...
  • Page 44 RF introduction: WIFI Antenna Position WiFi/BT/GPS WiFi/BT/GPS Antenna Antenna Clips Matching Company confidential...
  • Page 45 RF common issue RF-1:Network function error RF-2:GSM problem RF-3:WCDMA problem RF-4:GSM/WCDMA Rx error RF-5:WIFI problem Company confidential...
  • Page 46 RF-1:Network function error • 若2G/3G 網路功能異常,請檢查螢幕天線格數,SIM card是否裝好? Coaxial cable和是否組好? • If 2G/3G network is on failure, check reception level on screen, SIM card inserted properly and Coaxial cable connected well. Company confidential...
  • Page 47 RF-2:GSM Trouble shooting (1/3) • Check GSM transmission path (檢查GSM發射路徑) Tx I/Q Signal Company confidential...
  • Page 48 RF-2:GSM Trouble shooting (2/3) • GSM發射路徑 GSM transmission path – 由於2G PA和ASM整合在U1302,檢查發射時對應邏輯控制電壓是否正確 – Due to 2G PA and ASM assembly in U1302, check logical control voltage is correct when transmission testing – 使用示波器量測 圖所標腳位的電壓是否符合右 列表 – Use oscilloscope test below pins voltage if they match the right bottom table Company confidential...
  • Page 49 RF-2:GSM Trouble shooting (3/3) • GSM發射路徑 GSM transmission path – 檢查發射路徑的功率 – check power of transmission path – 使用spectrum probe量測 列標駐點,測量其功率 Use spectrum probe to measure below points’ power – High band GSM signal Low band GSM signal Company confidential...
  • Page 50 RF-3:WCDMA Trouble shooting (1/5) • WCDMA發射路徑 WCDMA transmission path – 確認IQ路徑 – Check IQ path – 使用示波器量測 圖所標之腳位,檢視其波形 – Use oscilloscope to check below points, check waveform. Company confidential...
  • Page 51 RF-3:WCDMA Trouble shooting (2/5) • WCDMA發射路徑 WCDMA transmission path – 確認發射路徑 – Check signal transmission path – 使用频谱仪量測 圖所標之腳位,檢視其Power – Use oscilloscope to test below point and power Company confidential...
  • Page 52 RF-3:WCDMA Trouble shooting (3/5) • WCDMA發射路徑 WCDMA transmission path Transceiver-3G PA, PA-Duplexer From MT6166 From MT6166 WCDMA BAND 1/2 signal WCDMA BAND 1/2 signal Company confidential...
  • Page 53 RF-3:WCDMA Trouble shooting (4/5) WCDMA發射路徑 WCDMA transmission path – 檢查ASM 邏輯控制電壓 – Check ASM logical control voltage – 使用示波器量測 圖所標腳位的電壓,是否符合右 列表 – Use oscilloscope test below pins voltage if they match the right bottom table Company confidential...
  • Page 54 RF-3:WCDMA Trouble shooting (5/5) • 發射路徑 ASM-RF Con (GSM + WCDMA) • Transmission Path ASM-RF Con (GSM + WCDMA) GSM PA+ASM Company confidential...
  • Page 55 RF-4:GSM/WCDMA Trouble shooting • 接收路徑 Receiving Path – 檢查 Antenna switch Module邏輯控制電壓 – Check Antenna switch module logical control voltage – 使用示波器量測 圖所標腳位的電壓是否符合右 列表 – Use oscilloscope test below pins voltage if they match the right bottom table Company confidential...
  • Page 56 WIFI/BT/GPS WIFI/BT/GPS IC: MTK MT6627 BT/WIFI: 1. Check whether the antenna of BT\WIFI damaged 2. Check whether BT\WIFI R1503 has output frequency of 26M co _ clock design 3. Check BT\WIFI TRX path Company confidential...
  • Page 57 WIFI/BT/GPS BT/WIFI TRX path ： Co_clock design： MT6166 U1303 MT6627 U1504 MT6627 U1504 Company confidential...
  • Page 58 WIFI/BT/GPS GPS RX path ： 1. Check whether the antenna of GPS damaged 2. Check whether the working voltage is normal Vcc:2.8V;GPS_LNA_EN:1.8V 3. Check whether the GPS signal has been enlarged Company confidential...
  • Page 59 WIFI/BT/GPS GPS RX path U1506 MT6627 U1504 Company confidential...
  • Page 60 Thank You！ Company confidential...