Lenovo S660 User manual

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

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Function Block
2

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M/B Top Placement #1
3
MT6582
MCP
Charge
IC
Audio
Jack
Receiver
SKY77593
MT6166
FLASH
LED
IC
Backlig
ht IC
26M
crystal
MT6627
MB to SB
connector

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M/B Bottom Placement #2
4
MT6323
DUAL SIM CONNECTOR
BACK UP
BATTERY
Mic 2
TF CARD CONNECTOR
Battery connector
Camera
Connector
P/L
Sensor
Connector
TP
Connector
Audi
o PA
G-Sensor
LCM
connector
32K
crystal

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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)
•BB-8 Vibrator function failure (馬達無振動)
•BB-9 Camera shooting failure (無法攝像)
•BB-10 MIC function failure (麥克風無作用)
•BB-11 Speaker function failure (喇叭無聲)
•BB-12 Audio function failure (Audio 不良)
•BB-13 SD Card function failure (SD Card無作用)
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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?)
–PWRKEY(TP11 > 2.8V)
–TP11 connect with ground wire to power on (跟地短路後可將系統開機)
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TP09 > 3.6V
TP11 > 2.8V

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•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)
BB-1 Can not power on (無法開機) (2/3)
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VSYS_PMU
VPROC_PMU

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BB-1 Can not power on (無法開機) (3/3)
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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
MT6323 Power On/Off sequence

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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. Please check if R3312 is solid soldering on (檢查SB的R3312是否空焊)
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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。)
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