Satellite P750/P755 Maintenance Manual 
Figures 
Figure 2-1       Troubleshooting flowchart (2/1) ………………………………………………5 
Figure 2-1       Troubleshooting flowchart (2/2) ………………………………………………6 
Figure2-2        Power Supply Troubleshooting Process …………………………………..…..9 
Figure 2-3       Display troubleshooting process ……………………………………………..14 
Figure 2-4  Keyboard troubleshooting process ................................................................... 17 
Figure 2-5  External USB device troubleshooting process ................................................. 19 
Figure 2-6  TV-tuner troubleshooting process .................................................................... 21 
Figure 2-7  TouchPad troubleshooting process .................................................................. 23 
Figure 2-8  Speaker troubleshooting process ...................................................................... 25 
Figure 2-9  Optical drive troubleshooting process ............................................................. 27 
Figure 2-10      Wireless LAN troubleshooting process…………………………………...…20 
Figure 2-11      Camera Troubleshooting process…………………………………………….32 
Figure 2-12      Bluetooth troubleshooting process ....……………………………….……….34 
Figure 2-13     5 in 1 card troubleshooting process……………………………..…….………36 
Figure 2-14     HDD troubleshooting process……………………………….………………..38 
Figure 2-15     CRT failure troubleshooting process ………………………………………...40 
Figure 2-16     HDMI CEC troubleshooting process ………………………………………...42 
Figure 2-17     MIC troubleshooting process ………………………………………………...44 
Figure 2-18     Finger printer troubleshooting process ………………………………………46 
Figure 2-19     USB3.0 Troubleshooting process………………………….………………....48 
Figure 2-20     Felica Troubleshooting process..……………….………….………………... 50 
Figure 2-21     3D sensor troubleshooting process ………………..…………………………52 
Figure 2-22     Sleep & Charge Troubleshooting…………….………….……….…..…...….54 
Figure 2-23     CIR troubleshooting process …………….………...…………………………56 
Figure 2-24     Sleep and Play music troubleshooting process ………………………………58 
Figure 2-25     Wimax Troubleshooting process.…………….………….……….…..…...….60 
Figure 2-26    LAN troubleshooting process …………………….…………………………..62 
Figure 2-27     3G troubleshooting process …………….………...…………………..………64 
Figure 2-28     JET Troubleshooting process………………….………….……….…..…...…67 
Figure 2-29    Ambient Light Sensor troubleshooting process………………………….........69 
Figure 2-30    Battery troubleshooting process………………….………….………...…....…71 
Figure 2-31    LED troubleshooting process…………………………………………….........73