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4.2 Battery

4 Replacement Procedures

Satellite A660/A665/A660D Maintenance Manual

4-9

4.2

Battery

Removing the Battery Pack

Remove the battery pack according to the following procedures and Figure 4.1.

CAUTION:

When handling the battery packs, use care not to short circuit the terminals. Do

not drop, hit, twist, or bend the battery packs. Do not scratch or break up their casing.

Turn the laptop upside down.

Slide the battery safety lock to the unlock position.

Slide the battery release latch and remove the battery pack from the laptop as shown in
Figure 4.1.

Figure 4.1 Removing the Battery Pack

NOTE:

Dispose of the used battery packs as required by local ordinances or regulations.

Содержание Satellite P755 Series

Страница 1: ... CONFIDENTIAL Toshiba Personal Computer Satellite Satellite Pro Maintenance Manual TOSHIBA CORPORATION ...

Страница 2: ...roduction However succeeding computers and manuals are subject to change without notice Therefore Toshiba assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies between any succeeding product and this manual Trademarks IBM is a registered trademark and OS 2 and PS 2 are trademarks of IBM Corporation Microsoft MS DOS Windows DirectSound and DirectMus...

Страница 3: ...ates the existence of a hazard that could result in bodily injury if the safety instruction is not observed CAUTION Caution indicates the existence of a hazard that could result in property damage if the safety instruction is not observed NOTE Note contains general information that relates to your safe maintenance service Improper repair of the computer may result in safety hazards Toshiba require...

Страница 4: ...lacement of the FRUs Appendices The appendices describe the following Handling the LCD module Board layout Pin assignments Keyboard scan character codes Key layout Screw torque list Reliability Conventions This manual uses the following formats to describe identify and highlight terms and operating procedures Acronyms On the first appearance and whenever necessary for clarification acronyms are en...

Страница 5: ...ause Break means you must hold down Ctrl and at the same time press Pause Break If three keys are used hold down the first two and at the same time press the third User input Text that you are instructed to type in is shown in the boldface type below DISKCOPY A B The display Text generated by the computer that appears on its display is presented in the typeface below Format complete System transfe...

Страница 6: ...ontrol Fehler Textmarke nicht definiert 1 6 3 RTC Battery Fehler Textmarke nicht definiert Figures Figure 1 1A ID Parts Description Placement Part A Fehler Textmarke nicht definiert Figure 1 2 SATA HDD Fehler Textmarke nicht definiert Figure 1 3 DVD Super Multi Drive Fehler Textmarke nicht definiert Figure 1 4 BD RE or BD Combo drive depending on the model Fehler Textmarke nicht definiert Tables T...

Страница 7: ...eshooting 32 2 13 Bluetooth Troubleshooting 34 2 14 Bridge Media slot Troubleshooting 36 2 15 HDD SSD Troubleshooting 38 2 16 CRT failure Troubleshooting 40 2 17 HDMI CEC Troubleshooting 42 2 18 MIC Troubleshooting 44 2 19 Finger print Troubleshooting 46 2 20 USB Troubleshooting 48 2 21 Felica Troubleshooting 50 2 22 3D sensor troubleshooting process 52 2 23 Sleep charge Troubleshooting 54 2 24 CI...

Страница 8: ... 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 troublesh...

Страница 9: ...ion 6 3 4 Audio sound Test 7 3 5 Fan ON OFF Test 10 3 6 Main Battery Charge Test 13 3 7 FDD Test 14 3 8 Memory Check 15 3 9 Keyboard Test 18 3 10 Mouse Pad Test 20 3 11 LCD Pixels Mode Test 21 3 12 Magnetic switch Test 22 3 13 LAN Test 24 3 14 RTC Test 26 3 15 BUTTON Test 27 3 16 1st HDDTest 29 3 17 RDMI Test 31 3 18 WDMI Test 32 3 19 G Sensor Test 34 3 20 TP TYPE R W Test 38 3 21 EEPROM Setting 4...

Страница 10: ...e nicht definiert Installing the Battery Pack Fehler Textmarke nicht definiert 4 3 HDD Fehler Textmarke nicht definiert Removing the HDD Fehler Textmarke nicht definiert Installing the HDD Fehler Textmarke nicht definiert 4 4 Memory Fehler Textmarke nicht definiert Removing the Optional Memory Fehler Textmarke nicht definiert Installing the Optional Memory Fehler Textmarke nicht definiert 4 5 Keyb...

Страница 11: ...ner Bracket Fehler Textmarke nicht definiert Removing the Fingerprint Scanner Bracket Fehler Textmarke nicht definiert Installing the Fingerprint Scanner Bracket Fehler Textmarke nicht definiert 4 12 Touch Pad Board Fehler Textmarke nicht definiert Removing the Touch Pad Board Fehler Textmarke nicht definiert Installing the Touch Pad Board Fehler Textmarke nicht definiert 4 13 Speakers and Speaker...

Страница 12: ...mbrane Fehler Textmarke nicht definiert 4 21 Display Assembly Fehler Textmarke nicht definiert Removing the Display Assembly Fehler Textmarke nicht definiert Installing the Display Assembly Fehler Textmarke nicht definiert 4 22 LCD Bezel Fehler Textmarke nicht definiert Removing the LCD Bezel Fehler Textmarke nicht definiert Installing the LCD Bezel Fehler Textmarke nicht definiert 4 23 DC DC Boar...

Страница 13: ... 4 7 Removing the RAM door Fehler Textmarke nicht definiert Figure 4 8 Removing the RAM from the connectors Fehler Textmarke nicht definiert Figure 4 9 Removing the three screws securing the keyboardFehler Textmarke nicht definiert Figure 4 10 Releasing the keyboard Fehler Textmarke nicht definiert Figure 4 11 Disconnecting the cable and removing the keyboard Fehler Textmarke nicht definiert Figur...

Страница 14: ...sFehler Textmarke nicht definiert Figure 4 32 Removing the discreet motherboard from the system Fehler Textmarke nicht definiert Figure 4 33 Removing the thermal module Fehler Textmarke nicht definiert Figure 4 34 Reapplying Shinetsu 7762 grease on the thermal module and remove any release papers Fehler Textmarke nicht definiert Figure 4 35 Installing the thermal module Fehler Textmarke nicht defi...

Страница 15: ...ls and Equipment Fehler Textmarke nicht definiert Screw Tightening Torque Fehler Textmarke nicht definiert Colors of Screw Shanks Fehler Textmarke nicht definiert Symbols of Screws on the Laptop Body Fehler Textmarke nicht definiert Symbol examples Fehler Textmarke nicht definiert 4 2 Battery Fehler Textmarke nicht definiert Removing the Battery Pack Fehler Textmarke nicht definiert Installing the...

Страница 16: ...ke nicht definiert Removing the ODD Module Slot load Fehler Textmarke nicht definiert Installing the ODD Module Slot load Fehler Textmarke nicht definiert Disassembling the ODD Slot load Fehler Textmarke nicht definiert Assembling the ODD Slot load Fehler Textmarke nicht definiert 4 10 FeliCa Card Fehler Textmarke nicht definiert Removing the FeliCa Card Fehler Textmarke nicht definiert Installing...

Страница 17: ...hermal Module Fehler Textmarke nicht definiert Removing the Thermal Module Fehler Textmarke nicht definiert Installing the Thermal Module Fehler Textmarke nicht definiert 4 19 CPU Fehler Textmarke nicht definiert Removing the CPU Fehler Textmarke nicht definiert Installing the CPU Fehler Textmarke nicht definiert 4 20 Power Membrane Fehler Textmarke nicht definiert Removing the Power Membrane Fehl...

Страница 18: ...Textmarke nicht definiert Installing the WLAN Antennas Fehler Textmarke nicht definiert 4 29 LVDS Cable Fehler Textmarke nicht definiert Removing the LVDS Cable Fehler Textmarke nicht definiert Installing the LVDS Cable Fehler Textmarke nicht definiert 4 30 TV Tuner Antenna Fehler Textmarke nicht definiert Removing the TV Tuner Antenna Fehler Textmarke nicht definiert Installing the TV Tuner Anten...

Страница 19: ...hler Textmarke nicht definiert Figure 4 21 Removing the FeliCa card from the logic upper assemblyFehler Textmarke nicht definiert Figure 4 22 Raising the fingerprint scanner bracket from the logic upper assembly Fehler Textmarke nicht definiert Figure 4 23 Working the fingerprint scanner bracket looseFehler Textmarke nicht definiert Figure 4 24 Removing the fingerprint scanner bracket from the log...

Страница 20: ...the DC DC board the display assemblyFehler Textmarke nicht definiert Figure 4 44 Removing the four screws securing the LCD panel Fehler Textmarke nicht definiert Figure 4 45 Disconnecting the camera cable Fehler Textmarke nicht definiert Figure 4 46 Disconnecting the LVDS cable Fehler Textmarke nicht definiert Figure 4 47 Removing the LCD panel hinges from the LCD Panel Fehler Textmarke nicht defi...

Страница 21: ...Satellite P750 P755 Maintenance Manual xxi Appendix D Keyboard Scan Character Codes D 1 Appendix E Key Layout E 1 Appendix F Series Screw Torque List F 1 Appendix G Reliability G 1 ...

Страница 22: ...Chapter 2 Troubleshooting Procedures ...

Страница 23: ......

Страница 24: ...a Troubleshooting 32 2 13 Bluetooth Troubleshooting 34 2 14 Bridge Media slot Troubleshooting 36 2 15 HDD SSD Troubleshooting 38 2 16 CRT failure Troubleshooting 40 2 17 HDMI CEC Troubleshooting 42 2 18 MIC Troubleshooting 44 2 19 Finger print Troubleshooting 46 2 20 USB Troubleshooting 48 2 21 Felica Troubleshooting 50 2 22 3D sensor troubleshooting process 52 2 23 Sleep charge Troubleshooting 54...

Страница 25: ...d 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 pr...

Страница 26: ...I CEC 17 Sleep Charge 23 CIR 29 LED 6 Speaker 12 3D Sensor 18 Bridge Media slot 24 CRT The Diagnostics Disk operations are described in Chapter 3 Detailed replacement procedures are given in Chapter 4 The following tools are necessary for implementing the troubleshooting procedures 1 Phillips screwdriver 3 5 mm 2 2DD or 2HD formatted work disk for floppy disk drive testing 3 Multimeter 4 External ...

Страница 27: ...cute Before performing any troubleshooting procedures verify the following Ask the user if a password is registered if it is ask him or her to enter the password Verify with the customer that Toshiba Windows7 is installed on the hard disk Operating systems that were not preinstalled by Toshiba can cause the computer to malfunction Make sure all optional equipment is removed from the computer Make ...

Страница 28: ...lays type the password then press Enter Is Toshiba Windows7 being loaded A Yes Yes Yes Yes Yes Yes Perform the Power Supply Troubleshooting procedures in section 2 3 Perform diagnostics program Run CM165 EXE and select the HARD DISK item Perform the Power Supply Troubleshooting procedures in section 2 3 No No No No No Perform the Power Supply Troubleshooting procedures in section 2 3 Perform the P...

Страница 29: ...ch test to perform automatically Is an error detected by any of the diagnostics tests System is normal End Yes Yes Yes No Perform the Keyboard Troubleshooting procedures in section 2 5 Perform the USB memory disk or CD ROM Troubleshooting procedures in section 2 9 After confirming which diagnostics test has detected an error perform the appropriate procedure as outlined below No No Yes Figure 2 1 ...

Страница 30: ...in Section 2 4 3 If an error is detected by the keyboard test perform the Keyboard Troubleshooting procedures in Section 2 5 4 If an error is detected by the Touchpad test perform the Touchpad Troubleshooting procedures in Section 2 8 5 If an error is detected by the audio test perform the Speaker Troubleshooting procedures in Section 2 9 and the Optical Drive Troubleshooting Procedures in Section...

Страница 31: ...etected when using the CRT perform the CRT failure troubleshooting procedures in Section 2 16 8 If an error is detected when using the HDMI TV perform the HDMI CEC troubleshooting procedures in Section 2 17 9 If an error is detected when using the MIC perform the MIC troubleshooting procedures in Section 2 18 10 If an error is detected when using the Finger print perform the Finger printer trouble...

Страница 32: ...ly connections Procedure 3 Run diagnostic program Procedure 4 Yes No Replace adaptor battery Procedure 2 No Perform internal connection check Procedure 5 Replace system board Yes Figure 2 2 Power Supply Troubleshooting Process The power supply controls many functions and components To determine if the power supply is functioning properly start with Procedure 1 and continue with the other Procedure...

Страница 33: ...he Battery and the DC IN LEDS as listed in the tables below Table 2 1 Battery LED Battery State LED colors Definition Charging Amber solid on Battery charging with AC White solid on Battery fully charged by AC Amber color off Battery abnormal stop charging with AC Bad cell Overheated Discharging Amber blinking LED on for 1 second every 4 seconds Battery within low state 12 minutes remaining Amber ...

Страница 34: ...attery pack and connect an AC adaptor to the DC IN port on the computer and to a power supply If the DC IN LED or Battery LED is not lit go to Procedure 2 Procedure 2 Adaptor battery replacement A faulty adaptor may not supply power or may not charge the battery Perform Check 1 Check 1 Connect a new AC adaptor If the problem is not resolved go to Check 2 Check 2 Insert a new battery If the problem...

Страница 35: ...et and wall outlet If these cables are connected correctly go to Check 3 Check 3 Make sure that the DC IN input port socket is firmly secured to the system board of the computer If the DC IN input socket is loose go to Procedure 5 If it is not loose go to Check 4 Check 4 Use a multi meter to make sure that the AC adaptor output voltage is close to 19 V If the output is several percent lower than 1...

Страница 36: ...ally Procedure 5 Replacement check The system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures Check the connection between the AC adaptor and the system board After checking the connection perform Check 1 Check 1 Use a multi meter to make sure that the fuses on the system board are not blown If a fuse is not blown go t...

Страница 37: ... Was a display problem detected Perform connector and replacement check Procedure 3 Replace system board END Yes Yes No Display is not faulty Continue troubleshooting refer to Figure 2 1 Figure 2 3 Display troubleshooting process This section describes how to determine if the computer s display is functioning properly The process is outlined in Figure 2 3 Start with Procedure 1 and continue with t...

Страница 38: ...ctly the internal LCD may be damaged Go to Procedure 3 If the external monitor appears to have the same problem as the internal monitor the system board may be damaged Go to Procedure 2 Procedure 2 Diagnostic check The Display Test program is stored on the computer s Diagnostics disk This program checks the display controller on the system board Insert the Diagnostics disk in the computer s floppy...

Страница 39: ... 1 Make sure the DDR RAM module is seated properly Test display again If the problem still exits replace the DDR RAM module If the problem still exists perform Check 2 Check 2 Replace the LCD module with a new one and test display again If the problem still exists perform Check 3 Check 3 Replace the LCD FL cable with a new one and test display again If the problem still exists perform Check 4 Chec...

Страница 40: ...connector and replacement check Procedure 2 Replace system board END Yes No Keyboard is not faulty Continue troubleshooting refer to Figure 2 1 Figure 2 4 Keyboard troubleshooting process To determine if the computer s keyboard is functioning properly perform the following procedures Figure 2 4 outlines the process Start with Procedure 1 and continue with the other procedures as instructed ...

Страница 41: ...ure 2 Connector and replacement check The keyboard and or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure the keyboard cable is firmly connected to the system board If the connection is loose reconnect firmly and repeat Procedure 1 If there is still an error go ...

Страница 42: ...eplace system board Procedure 2 END Original USB device is faulty Perform external device and connection check Procedure 1 START Does the device function correctly when connected to a different USB port Does an alternative USB device function correctly No Yes No Yes Figure 2 5 External USB device troubleshooting process ...

Страница 43: ... USB device into another USB socket there are three in all If the USB device still does not work go to Check 4 If the device functions correctly when connected to another USB port go to Check 3 Check 3 Make sure that the USB socket is firmly secured to the system board of the computer If the malfunction remains the system board or USB small board may be damaged Go to Procedure 2 Check 4 Connect an...

Страница 44: ...uner Module connection check Procedure 3 Perform TV Tuner Antenna connection check Procedure 2 No DVBT DMBT Perform TV Tuner B CAS card connection check procedure 4 ISDB T No No Yes Yes Perform B CAS card slot check Procedure 5 Does replacement B CAS card function properly Replace B CAS card Replace B CAS slot Does replacement B CAS card function properly Yes Yes No No Figure 2 6 TV out troublesho...

Страница 45: ...dure 2 TV tuner Antenna connection check The TV Tuner Antenna may be damaged or the connections may be loose Perform Check 1 Check 1 Make sure TV Tuner Antenna is firmly plugged into both the TV Tuner Module If the antenna is connected correctly go to Check 2 Check 2 Try connecting a different TV tuner Antenna to the computer If the replacement TV tuner Antenna works the original Antenna may be da...

Страница 46: ...ad check Procedure 1 START Does Touchpad function ok Perform diagnostic check Procedure 2 No Was a Touchpad problem detected Perform connector and replacement check Procedure 3 Replace system board END Yes Yes No Touchpad is not faulty Continue troubleshooting refer to Figure 2 1 Figure 2 7 Touchpad troubleshooting process ...

Страница 47: ...ure 2 If an error is not located the Touchpad function is functioning properly Procedure 2 Touchpad connection check The Touchpad is connected via the Touchpad FPC to the system board Make sure the Touchpad FPC cable is firmly connected to the Touchpad and system board Refer to Chapter 4 Replacement Procedures for instructions on how to disassemble the computer and then perform the following check...

Страница 48: ...me problem END Perform earphone test Procedure 2 Do earphones function correctly Perform connection check Procedure 3 Perform replacement check Procedure 4 Perform audio source test Procedure 1 No Yes Yes Replace system board Speakers are not faulty Continue troubleshooting see Figure 2 1 No Figure 2 8 Speaker troubleshooting process ...

Страница 49: ...the problem is in the source devices If all have the same problem continue with Procedure 2 Procedure 2 Earphone test Connect a set if earphones or external speakers If these function correctly go to Procedure 3 If they do not function correctly the system board may be defective or damaged Replace it with a new one Procedure 3 Connection check Disassemble the computer following the steps described...

Страница 50: ... test Procedure 4 Perform connection and replacement check Procedure 5 Perform audio CD check Procedure 1 Perform drive cleaning check Procedure 2 No Yes Replace system board Figure 2 9 Optical drive troubleshooting process This section describes how to determine if the computer s internal optical drive is functioning properly The Satellite Satellite Pro A660 A665 A667 Series Dynabook TX AX Series...

Страница 51: ...Procedure 1 Audio CD check First insert an audio CD into the CD DVD drive Use windows application to check device can work fine or not If it works the problem is not with the drive Go to Procedure 3 If the audio CD does not work go to Procedure 2 If the CD DVD LED on the front panel does not light when the disc is played and the drive gives no response go straight to Procedure 3 Procedure 2 Drive ...

Страница 52: ...lacement Procedures and perform the following checks Check 1 Make sure the drive is firmly connected to the system board If the connection is good and there is still an error go to Check 2 Check 2 The drive or drive cable may be defective or damaged Replace each with a new one following the steps in Chapter 4 Replacement Procedures If the drive is still not functioning properly perform Check 3 Che...

Страница 53: ... Wireless LAN connection check Procedure 1 Was a wireless LAN problem delected Perform connector and replacement check Procedure 2 Replace wireless LAN antenna unit Replace system board END Yes Wireless LAN system is not faulty Continue troubleshooting refer to Figure 2 10 No Figure 2 10 Wireless LAN troubleshooting process ...

Страница 54: ...m board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the wireless LAN antenna is firmly connected to the Wireless LAN module refer to Chapter 4 for instructions and that the wireless LAN module is securely slotted into the system board If the problem persists go to C...

Страница 55: ...cedure 1 Was a Camera problem detect Camera is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace Camera B END Yes NO Figure 2 11 Camera troubleshooting process The Camera board or system board may be the reason of a Camera fault Either of these two ...

Страница 56: ...gnostics result abnormal go to Procedure 2 If an error is not located the Camera system is functioning properly Procedure 2 Connector and replacement check The Camera board or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the Camera board FFC is securely ...

Страница 57: ... 1 Was a Bluetooth problem detect Bluetooth is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace Bluetooth antenna moudle END Yes No Figure 2 12 Bluetooth troubleshooting process The Bluetooth antenna wire Bluetooth module or system board may be the reason of a ...

Страница 58: ...apter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the Bluetooth antenna is firmly connected to the Bluetooth module refer to Chapter 4 for instructions and that the Bluetooth FFC is securely slotted into the system board If the problem persists go to Check 2 Check 2 Check that the Bluetooth communication switch is turned to On and then make sure that the commun...

Страница 59: ... Procedure 2 Replace system board END Bridge Media Slot unit is not faulty Perform Bridge Media Slot test Procedure 1 No Yes Figure 2 13 5 in 1 card troubleshooting process This section describes how to determine if the Bridge Media Slot player is functioning properly The process is summarized in Figure 2 13 Perform the steps below starting with Procedure 1 and continuing with the other procedures...

Страница 60: ...am If an error occurs during the Bridge Media Slot test perform Procedure 2 If no error occurs it is likely that the original Bridge Media Slot was faulty Procedure 2 Bridge Media Slot socket replacement check The Bridge Media Slot socket may be damaged or defective for instance the socket pins can be bent Disassemble the computer following the steps described in Chapter 4 Replacement Procedures a...

Страница 61: ...est Procedure 1 Was a HDD SSD problem detect HDD SSD is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace HDD SSD END Figure 2 14 HDD SDD troubleshooting process The HDD SSD or system board may be the reason of a HDD SSD fault Either of these two ...

Страница 62: ...ics for more information on the program If an error is located go to Procedure 2 If an error is not located the HDD SSD function is functioning properly Procedure 2 Connector and replacement check The HDD module or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure...

Страница 63: ...y P erfo rm C R T set ch eck P ro ced u re 2 R ep lace sy stem b o ard E N D N o R ep lace C R T cab le N o C R T fu n ctio n in g o k N O U se d ifferen t C R T set N o C h eck C R T P o rt co n n ectio n Figure 2 15 CRT troubleshooting process To determine if the computer s CRT port is functioning properly perform the following procedures Figure 2 15 outlines the process Start with Procedure 1 a...

Страница 64: ...Make sure the CRT port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 The CRT cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 Procedure 2 CRT set check The CRT set may be faulty Perform Check 1 Check 1 Try using the set for CRT reception If it does not work the set may be damaged If the set does wor...

Страница 65: ... function properly Perform H D M I set check Procedure 2 R eplace system board EN D N o R eplace H D M I cable N o H D M I functioning ok N o U se different H D M I set N o Figure 2 16 HDMI troubleshooting process To determine if the computer s HDMI port is functioning properly perform the following procedures Figure 2 18 outlines the process Start with Procedure 1 and continue as instructed ...

Страница 66: ... the HDMI port is firmly secured to the system board of the computer If the malfunction remains go to Check 3 Check 3 The HDMI cable may be damaged Replace with a good cable If the malfunction remains go to Procedure 2 Procedure 2 HDMI set check The HDMI TV set may be faulty Perform Check 1 Check 1 Try using the set for television reception If it does not work the set may be damaged If the set doe...

Страница 67: ...MIC is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace MIC line END Figure 2 17 MIC troubleshooting process The MIC line or system board may be the reason of a MIC fault Either of these two components may be damaged To determine if the computer s MIC is functioning properly ...

Страница 68: ... to Procedure 2 If an error is not located the MIC module functioning is properly Procedure 2 Connector and replacement check The MIC line or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the MIC line is securely slotted into the system board If the probl...

Страница 69: ...r printer is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace finger printer B END Figure 2 18 Finger printer troubleshooting process The Finger printer board or system board may be the reason of a finger printer fault Either of these two components may be damaged To determine if the computer s Finger printer i...

Страница 70: ...d the Finger printer system is functioning properly Procedure 2 Connector and replacement check The Finger printer board or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the Finger printer board FFC is securely slotted into the system board If the problem...

Страница 71: ...B3 0 problem detected Perform connection and replacement check Procedure 3 Replace system board END Yes Yes USB3 0 port and transmission are not faulty Continue troubleshooting refer to Figure 2 1 No No Figure 2 19 USB3 0 troubleshooting process To determine if the computer s USB3 0 system is functioning properly perform the following procedures Figure 2 19 outlines the process Start with Procedur...

Страница 72: ...indows Application which will automatically execute the USB3 0 port test for transmission Tests and Diagnostics for more information on how to run the program If an error is located go to Procedure 3 If an error does not occur the USB3 0 port is functioning properly Procedure 3 Connection and replacement check The transmission cable may be damaged or the connections may be loose Perform Check 1 Ch...

Страница 73: ...ca Troubleshooting START Perform Felica test Procedure 1 Was a Felica problem detect Felica is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace Felica B END Figure 2 20 Felica troubleshooting process ...

Страница 74: ...ed to the Felica and system board Refer to Chapter 4 Replacement Procedures for instructions on how to disassemble the computer and then perform the following checks Use windows application to check device can work fine or not If an error is located make sure the connection was ok If any of the connections are loose reconnect firmly If any of the connections is damaged or there is still an error g...

Страница 75: ...r Troubleshooting START Perform diagnostic test Procedure 1 Was operation problem Operation is wrong used correct operation Replace system board END YES NO Figure 2 21 3D sensor troubleshooting process The operation or system board may be the reason of 3D sensor fault Either of these two may ...

Страница 76: ...ure 1 Diagnostic test Run the functioning Program on Windows model which will display the 3D test result If tests and diagnostics result abnormal go to Procedure 2 If an error is not located the 3D functioning is properly Procedure 2 Replacement check Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that 3...

Страница 77: ...lem detect Sleep Charge is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 END Figure 2 22 Sleep Charge troubleshooting process The system board may be the reason of a Sleep Charge fault The system board may be damaged To determine if the computer s Sleep charge is functioning properly perform the ...

Страница 78: ...ndows application to check function can work fine or not If tests and diagnostics result abnormal go to Procedure 2 If an error is not located the Sleep charge is functioning properly Procedure 2 Replacement check Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that Sleep Charge test operation is correct ...

Страница 79: ...tect CIR is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 END Figure 2 23 CIR troubleshooting process The system board may be the reason of a CIR fault The system board may be damaged To determine if the computer s CIR is functioning properly perform the following procedures ...

Страница 80: ...heck the device can work fine or not If tests and diagnostics result abnormal go to Procedure 2 If an error is not located the CIR module functioning is properly Procedure 2 Connector and replacement check The CIR system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure ...

Страница 81: ...problem detect Sleep Play music is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 END Figure 2 24 Sleep Play music troubleshooting process The system board may be the reason of a Sleep Play music fault The system board may be damaged To determine if the computer s Sleep Play music is functioning properly ...

Страница 82: ...ack line and Multimedia sound system with line in and line out port check the device can work fine or not If tests and diagnostics result abnormal go to Procedure 2 If an error is not located the Sleep Play music functioning is properly Procedure 2 Replacement check Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 M...

Страница 83: ...g START Perform Wimax connection check Procedure 1 Was a Wimax problem delected Perform connector and replacement check Procedure 2 Replace Wimax antenna unit Replace system board END Yes Wimax system is not faulty Continue troubleshooting refer to Figure 2 1 No Figure 2 25 Wimax troubleshooting process ...

Страница 84: ...nnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the Wimax antenna is firmly connected to the Wimax module refer to Chapter 4 for instructions and that the Wimax module is securely slotted into the system board If the problem persists go to Check 2 Check 2 Check that the wireless co...

Страница 85: ...detected Perform connector and replacement check Procedure 3 Replace system board END Yes No LAN is not faulty Continue troubleshooting refer to Figure 2 1 Figure 2 26 LAN troubleshooting process To determine if the computer s LAN port is functioning properly perform the following procedures Figure 2 26 outlines the process Start with Procedure 1 and continue as ...

Страница 86: ...edure 2 Connector and replacement check The LAN cable and or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure the LAN cable is firmly connected to the LAN port of the system board If the connection is loose reconnect firmly and repeat Procedure 2 If there is stil...

Страница 87: ...2Troubleshooting Procedures Satellite A660 A665 Series Maintenance Manual 64 ...

Страница 88: ...to Figure 2 1 No Figure 2 27 3G troubleshooting process Notes 3G Antenna assemble rule as below color of antenna Assemble location Red antenna Main 1 Blue antenna Aux 2 The 3G antenna wire 3G unit or system board may each be the source of a 3G fault Any of these components may be damaged To determine if the computer s wireless LAN system is functioning properly perform the following procedures Fig...

Страница 89: ...splays the name of Telecommunication Company and intensity of an electric wave 2 Please choose About and click System Info System Info the Following data is displayed Procedure 2 Connector and replacement check The 3G antenna 3G unit or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following ch...

Страница 90: ...d Replace with a new antenna following the steps in Chapter 4 Replacement Procedures If the problem persists or if the wireless LAN LED is not light when the wireless communication function is enabled by BIOS setup and FN F8 go to Check 3 Check 3 If the intensity of an electric wave is weak an antenna should exchange Replace it with a new one following the instructions in Chapter 4 If the problem ...

Страница 91: ...to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace JET antenna moudle END Figure 2 28 JET troubleshooting process The JET antenna wire JET module or system board may be the reason of a JET fault Any of these components may be damaged To determine if the computer s JET is functioning properly perform the following procedures Figure 2 23 outlines the proce...

Страница 92: ...ure that the JET antenna is firmly connected to the JET module refer to Chapter 4 for instructions and that the JET cable is securely slotted into the system board If the problem persists go to Check 2 Check 2 Check that the JET communication switch is turned to On and then make sure that the communication LED on the left panel is lit If the LED is lit but the JET function is still faulty the ante...

Страница 93: ... Was a Ambient Light Sensor problem detect Ambient Light Sensor is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace Cap sensor B END Yes NO Figure 2 29 Ambient Light Sensor troubleshooting process The Cap sensor board or system board may be the reason of an Ambient Light Sensor fault ...

Страница 94: ...sts and diagnostics result abnormal go to Procedure 2 If an error is not located the Ambient Light Sensor system is functioning properly Procedure 2 Connector and replacement check The Cap sensor board or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the following checks Check 1 Make sure that the ...

Страница 95: ...roubleshooting START Perform Battery test Procedure 1 Was a Battery problem detect Battery is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace Battery END Yes No Figure 2 30 Battery troubleshooting process ...

Страница 96: ...figuration check Tests and Diagnostics for more information on the program If an error is located go to Procedure 2 If an error is not located the Battery function is functioning properly Procedure 2 Connector and replacement check The Battery module or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform...

Страница 97: ...oubleshooting START Preform diagnostic test Procedure 1 Was a LED Board problem detect LED Board is not faulty Continue troubleshooting refer to Figure 2 1 Replace system board Perform connector and replacement check Procedure 2 Replace LED Board END Figure 2 31 LED troubleshooting process ...

Страница 98: ...onfiguration check Tests and Diagnostics for more information on the program If an error is located go to Procedure 2 If an error is not located the LED function is functioning properly Procedure 2 Connector and replacement check The LED board or system board may be disconnected or damaged Disassemble the computer following the steps described in Chapter 4 Replacement Procedures and perform the fo...

Страница 99: ...Chapter 3 Tests and Diagnostics ...

Страница 100: ... Main Battery Charge Test 13 3 7 FDD Test 14 3 8 Memory Check 15 3 9 Keyboard Test 18 3 10 Mouse Pad Test 20 3 11 LCD Pixels Mode Test 21 3 12 Magnetic switch Test 22 3 13 LAN Test 24 3 14 RTC Test 26 3 15 BUTTON Test 27 3 16 1st HDDTest 29 3 17 RDMI Test 31 3 18 WDMI Test 32 3 19 G Sensor Test 34 3 20 TP TYPE R W Test 38 3 21 EEPROM Setting 41 3 22 TOSHIBA LOGO Setting 45 3 23 DYNABOOK LOGO Setti...

Страница 101: ...s program when you are at Main Menu The TEST DIAGNOSTIC PROGRAM contains the following functional tests CONFIG CHECK TEST AUDIO SOUND TEST FAN ON OFF TEST MAIN BATTERY CHARGE TEST FDD TEST MEMORY CHECK KEYBOARD TEST MOUSE PAD TEST LCD PIXELS MODE TEST MAGNETIC SWITCH TEST LAN TEST RTC TEST BUTTON TEST 1st HDD TEST Read DMI TEST Write DMI TEST G SENDOR TEST TP TYPE R W TEST EE PROM Setting TOSHIBA ...

Страница 102: ...e diagnostics disk contains the Free DOS boot files And then follow the instructions for T D program installed in CD disk The T D Program can run single test by you press corresponsive English letter of test item and it also asks you if you like to copy test log file to USB memory as reference at the end of test s The test list is as the following A CONFIG CHECK TEST B AUDIO SOUND TEST C FAN ON OF...

Страница 103: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 4 The below display will show up at the beginning of T D program If the test result passes the following display will show up ...

Страница 104: ...eries Maintenance Manual 5 If an error is detected and a test fails the following message displays Whether test result are PASS or FAIL Then press any key for next actions Will go back main menu and copying test log file onto diskette is necessary ...

Страница 105: ...onfiguration This Item will show the unit configuration It includes CPU CPU type Speed DDRAM SIZE Panel ID HDD1 type capacity Vendor ID Model Firmware VGA CHIP TYPE VRAM size Wireless type Battery cell 3cell 6cell 9cell 12cell LAN Type Bluetooth SKUID The screen should display as below ...

Страница 106: ...ion by hearing the sound And the speaker will send out music during test NOTE Remember to tune up the volume as Maximum before this test starts Before Sound test start you may see notice as below picture Press any key then the program will test below item 1 Line out Left channel test 2 Line out Right channel test 3 Playing 44K wave file 4 Playing 48K wave file ...

Страница 107: ...llite A660 A665 Series Maintenance Manual 8 The screen should display as below and you can press Y to stop playing If the function is passed If the function test fail you can press N to stop test and then it will display as below ...

Страница 108: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 9 Press any key the program will return to the below display and you can press Y or N to judge the result ...

Страница 109: ...sed Feel the wind or listen the rotating sound to check whether the fan is working or not NOTE Remember to approach fan outlet that is near left side of unit whether fan is ON The computer will stop the fan working after any key pressed Feel the wind or listen the sound to check if the fan is OFF The screen should display as below indicating whether the test is passed or failed after the question ...

Страница 110: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 11 The screen will show below picture if FAN RPM check is OK If FAN RPM check is NG it will show as below ...

Страница 111: ...5W UMA SKU 90W with 19V DC for CPU TDP 45W VGA N12P GV CPU TDP 35W VGA N12P GS 120W with 19V DC for CPU TDP 45W VGA N12P GS This test shows and measures the main battery Battery type Lion Manufacturer Sanyo Panasonic Sony Remain charge capacity 0 100 Charge function PASS FAIL Battery Is Full showed when remain charge capacities is 100 The screen should display as below if the charge function is OK...

Страница 112: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 13 ...

Страница 113: ...py Disk Test includes three subtests of the 1 Sequential seek verify function Range Track 0 79 2 Funnel code seek verify function Range Track 0 79 3 Write Read Compare pattern function Range Track 75 79 NOTE The write protected device of this formatted diskette should be Disable The subtests run automatically NOTE Press Esc key can skip the current subtest The screen should display as below indica...

Страница 114: ...omputer s Memory Frequency and Size is correct in every slot Before Memory test start you should choice the below item 1 Memory Read test 2 Memory Write test 3 Memory Read Write test 4 Memory INFO test 5 Back to test title When you execute this test after you press the related number the test picture will show as below ...

Страница 115: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 16 Memory Read Test Memory Write Test ...

Страница 116: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 17 Memory Read Write Test Memory Info Test ...

Страница 117: ...yboard test Before keyboard test starts the keyboard matrix code should be chosen as below display 1 S US for America 2 K UK for Europe 3 J Japan for Japan When you execute this test the keyboard layout is drawn on the display When any key is pressed the corresponding key on the screen changes to black as shown below It will indicate whether the sub test is passed or failed after the question US K...

Страница 118: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 19 UK keyboard Japan keyboard ...

Страница 119: ... be used to test an external USB mouse The Touch Pad button subtest allows users to test their Touch Pad buttons If the buttons are clicked the cursors should appear in the corresponding box of the button figure that is displayed on the screen as below After checking T Pad buttons and cursor s function use Tab key or use T Pad cursor to click the OK column will end this test It will indicate wheth...

Страница 120: ...es two modes of the test 1 Text Mode including 40 25 16 colors and 80 25 2 16colors and 320 200 4 16 colors and 640 200 2 16 colors and 640 480 2 16 colors and 640 350 4 colors 2 VGA Mode including 320 200 256 colors and 640 480 256 colors 800 600 256 colors 1024 768 256 colors The screen should display as below indicating whether the test is passed or failed after the question ...

Страница 121: ...ch test checks the Magnetic function of the unit When LCD cover closed the Magnetic should enable to turn off the display Follow below steps to run this test 1 Close the LCD cover 2 Open the LCD Then it will indicate whether the test is passed or failed 1 If the Magnetic switch test as fail it will show below display ...

Страница 122: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 23 2 If the Magnetic switch tests pass it will show below display ...

Страница 123: ...onment NOTE LAN loopback needs to plug in before test begins And LAN information will show on the test screen IO Base Port A000H IRQ BH it s IRQ B Node it is MAC Address Line Speed 1000Mbps or 100Mbps or 10 Mbps Bus ID it s 14 The LAN test includes three subtests of the 1 Speed1000 2 Speed100 3 Speed10 The subtests run automatically ...

Страница 124: ...stics Satellite A660 A665 Series Maintenance Manual 25 The screen should display as below indicating whether the subtests pass or fail when finished If an error is detected and a test fails the following message displays ...

Страница 125: ...ance Manual 26 3 14 RTC Test Check the computer s RTC Real Time Clock and calendar functions by comparing the Free DOS and CMOS values The test runs automatically The screen should display as below indicating whether the test is passed or failed when finished ...

Страница 126: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 27 3 15 BUTTON TEST NOTE Only for seven buttons SKU The tool for seven buttons SKU the Screen would display as below ...

Страница 127: ...60 A665 Series Maintenance Manual 28 Mechanical type buttons x 7 to relate with above showed BUTTON A ECO BUTTON B Wireless on off BUTTON C Illumination on off or 3D Vision BUTTON D Play Pause BUTTON E Mute BUTTON F Volume BUTTON G Volume ...

Страница 128: ... test allows the user to verify the 1st HDD ok or not First please select HDD test method Screen would display as below After you select the method then input password hard disk if input password is Right the screen would display as below If input password is wrong the screen would display as below ...

Страница 129: ...he screen will display as below picture to show the subtest is passed or failed when finished If it is show the picture as below it means HDD function is OK If the picture shows as below it means he HDD function is NG NOTE Press Ctrl Fn Break key to exit the HDD test program ...

Страница 130: ... Series Maintenance Manual 31 3 17 Read DMI Compal write Toshiba Part No version Toshiba Serial No Serial No Product Name OEM string and UUID If you want to double check the DMI data please select Read DMI item the figure below will be displayed ...

Страница 131: ...re below will be displayed 1 Write Product 2 Write Serial 3 Write Version 4 Write OME string 5 Back to test title After write OK you should reboot the system that can make the setting effective or you can write next data before reboot system the figure below will displayed NOTE Should input correct DMI data and should reboot the system that can make the setting effective ...

Страница 132: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 33 If you select 5 program will go back to the Main Menu as below ...

Страница 133: ... 34 3 19 G Sensor Test This test will check G Sensor function by your computer successful or not NOTE Steps 1 Keep test unit on platform which must be a flat horizontal surface then click enter to test NOTE Steps 2 Keep test unit vertical with platform then click to test ...

Страница 134: ... Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 35 NOTE Steps 3 Turn run 90 degree whirl then click enter to test NOTE Steps 4 Go on Turn run 90 degree whirl then click enter to test ...

Страница 135: ...sts and Diagnostics Satellite A660 A665 Series Maintenance Manual 36 NOTE Step5 Go on Turn run 90 degree whirl then click enter to test Check test result as below picture PASS will show OK FAIL will show NG ...

Страница 136: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 37 ...

Страница 137: ...nance Manual 38 3 20 TP TYPE R W TEST This T P TYPE R W test checks the computer s T P TYPE and users write T P vendor ID into EEPROM The test runs automatically The screen should display as below indicating whether the test is passed or failed when finished ...

Страница 138: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 39 If write T P type fail the screen would display as below If read T P type fail the screen would display as below ...

Страница 139: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 40 If W R T P type passes the screen would display as below ...

Страница 140: ...ble c Set CIR Function Status in EEPROM Disable Enable d Set Felica card Function Status in EEPROM Disable Enable e Set KBLED Function Status in EEPROM Disable Enable f Set Speaker EQ status in EE PROM Harman 2 Speaker No brand 2 Speaker g Set and Check SKUID Status Set Check h Set Front Edge logo status in EE PROM Disable Enable i Set Wimax function status in EE PROM Disable Enable j Set JET func...

Страница 141: ...u can press the related number to do For example If you want to set MIC function please press a or A the screen will display as below Please check related information to judge this unit whether has MIC function If this unit has MIC function press Y then program will set MIC enable automatically as below ...

Страница 142: ...no MIC function press N then program will set MIC disable automatically as below When you Enable or Disable EE PROM function are OK press any key will go back to EE PROM SETTING option as below You can select n or N disable all not support function program will perform automatically as below ...

Страница 143: ...Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 44 Press any key you can go back to EE PROM SETTING option as below If you select n or N program will go back to the Main Menu as below ...

Страница 144: ...al 45 3 22 Toshiba Logo set Set the computer s Toshiba Logo for other region except Japan SKU The screen should display as below indicating whether the test is passed or failed when finished Press any key continue to auto set if write OK the following message displays ...

Страница 145: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 46 When Toshiba Logo set finish please restart machine when show below Logo ...

Страница 146: ...ance Manual 47 3 23 Dynabook Logo set Set the computer s Dynabook Logo for Japan SKU The screen should display as below indicating whether the test is passed or failed when finished Press any key continue to auto set if write OK the following message displays ...

Страница 147: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 48 When Dynabook Logo set finish please restart machine when show below Logo ...

Страница 148: ...3 24LED TEST This LED test will check the LED which controlled by EC NOTE please choice item 6 to reset the default setting after LED test completely The screen should display as below If press 1 to please check the Power LED Power button LED the screen will display as below ...

Страница 149: ...Maintenance Manual 50 If press 2 to please check the Battery LED the screen will display as below If presses 3 to please check the Padlocks LED the screen will display as below If presses 4 to please check the Number LED the screen will display as below ...

Страница 150: ...ostics Satellite A660 A665 Series Maintenance Manual 51 If presses 5 to please waiting for reset default the screen will display as below If presses 6 to please waiting for reset default the screen will display as below ...

Страница 151: ...3 Tests and Diagnostics Satellite A660 A665 Series Maintenance Manual 52 If press 7 program will go back to test title as below ...

Страница 152: ...Chapter 4 Replacement Procedures ...

Страница 153: ...Body 4 8 Symbol examples 4 8 4 2 Battery 4 9 Removing the Battery Pack 4 9 Installing the Battery Pack 4 10 4 3 HDD 4 11 Removing the HDD 4 11 Installing the HDD 4 14 4 4 Memory 4 15 Removing the Optional Memory 4 15 Installing the Optional Memory 4 16 4 5 Keyboard 4 18 Removing the Keyboard 4 18 Installing the Keyboard 4 20 4 6 TV Tuner Card and WLAN Card 4 21 Removing the WLAN Card 4 21 Removing...

Страница 154: ...ssembling the ODD Slot load 4 30 4 10 FeliCa Card 4 31 Removing the FeliCa Card 4 31 Installing the FeliCa Card 4 31 4 11 Fingerprint Scanner Bracket 4 32 Removing the Fingerprint Scanner Bracket 4 32 Installing the Fingerprint Scanner Bracket 4 34 4 12 Touch Pad Board 4 35 Removing the Touch Pad Board 4 35 Installing the Touch Pad Board 4 35 4 13 Speakers and Speaker Cushions 4 36 Removing the Sp...

Страница 155: ...ling the CPU 4 48 4 20 Power Membrane 4 49 Removing the Power Membrane 4 49 Installing the Power Membrane 4 49 4 21 Display Assembly 4 50 Removing the Display Assembly 4 50 Installing the Display Assembly 4 50 4 22 LCD Bezel 4 51 Removing the LCD Bezel 4 51 Installing the LCD Bezel 4 53 4 23 DC DC Board 4 54 Removing the DC DC Board 4 54 Installing the DC DC Board 4 55 4 24 LCD Panel 4 56 Removing...

Страница 156: ...oving the Inner IR Sensor 4 61 Installing the Inner IR Sensor 4 61 4 28 WLAN Antennas 4 62 Removing the WLAN Antennas 4 62 Installing the WLAN Antennas 4 63 4 29 LVDS Cable 4 64 Removing the LVDS Cable 4 64 Installing the LVDS Cable 4 64 4 30 TV Tuner Antenna 4 65 Removing the TV Tuner Antenna 4 65 Installing the TV Tuner Antenna 4 65 ...

Страница 157: ...re 4 15 Removing the ODD bracket from the ODD 4 24 Figure 4 16 Hooks on the inside of the Tray load ODD bezel 4 25 Figure 4 17 Removing thirteen screws from the bottom of the laptop 4 26 Figure 4 18 Disconnecting the cables and removing two upper logic assembly screws 4 27 Figure 4 19 Removing the logic upper assembly 4 28 Figure 4 20 Disassembling the Slot load ODD 4 30 Figure 4 21 Removing the F...

Страница 158: ...40 Removing four screws securing the LCD bezel to the display assembly 4 51 Figure 4 41 Prying up the LCD bezel from the outside edges 4 52 Figure 4 42 Releasing the DC DC board from the snaps 4 54 Figure 4 43 Removing the DC DC board the display assembly 4 55 Figure 4 44 Removing the four screws securing the LCD panel 4 56 Figure 4 45 Disconnecting the camera cable 4 57 Figure 4 46 Disconnecting ...

Страница 159: ......

Страница 160: ... in which they should be removed in a top down manner irrespective of their physical locations The FRUs shown in the top area of the chart should normally be removed before removing the FRUs shown in the bottom area To replace the FRUs first identify the suspect FRU for the system failure Next according to this chart determine the FRUs that need to be removed before removing the suspect FRU After ...

Страница 161: ...Scanner Bracket How to use the chart two examples For removing the Motherboard First remove parts from 4 5 Keyboard 4 6 TV Tuner Card and WLAN 4 8 Logic Upper Assembly 4 16 Thermal Fan For removing the LCD Panel First remove 4 22 LCD Bezel then remove 4 23 the DC DC Board 4 2 Battery 4 3 HDD 4 4 Memory 4 5 Keyboard 4 6 TV Tuner Card and WLAN 4 7 ODD module Tray load 4 8 Logic Upper Assembly 4 12 T...

Страница 162: ...wer supply and inverter carry high voltages When you partially disassemble the laptop and turn on the components use extreme care not to touch the connectors and components to avoid the risk of electrical shock Do not disassemble individual components during first level maintenance WARNING 1 To avoid the risk of electrical shock turn the laptop off and remove the AC adapter from the electrical out...

Страница 163: ...y Loose screws can cause short circuits overheating smoke or fire 3 Before removing a FRU or other component make sure that all the component cables have been disconnected to avoid the risk of electrical shock caused by accidental contact with the energized components 4 For AC input be sure to use the AC adapter and AC power cable that come with your laptop or Toshiba recommended equivalents 5 To ...

Страница 164: ...ained in Chapter 2 of this manual to identify the FRU that has probably caused the system failure Perform only the required machine operations Use only the disassembly and reinstallation procedures described in this manual Place the removed components in a safe place away from the laptop so that they are not damaged or get in the way of you doing your work Normally a number of screws need to be re...

Страница 165: ...cable by raising the pressure plate up to a satisfactory height Normal pin connectors are used for all the other types of cables These connectors can be installed or removed by simply inserting them or pulling them out Assembly Procedures You have to reassemble the laptop after you have disassembled the laptop and fixed the component that caused the problem When reassembling the laptop keep the fo...

Страница 166: ...at blade screwdriver Torx screwdriver Tweezers for pulling out screws ESD mats for the floor and work desks An ESD wrist strap or heel grounder Anti static carpets or flooring Air ionizers for highly electrostatic sensitive areas A plastic card in credit card size Screw Tightening Torque To secure screws follow the torque values listed below Over tightening can damage components and screws Under t...

Страница 167: ...he Laptop Body For easy maintenance the screw types are shown on the laptop body as symbols A symbol consists of a letter representing the screw type and a numeral representing the screw length Screw type Letter Bind screw B stands for bind Flat head screw F stands for flat head Super flat head screw S stands for super flat head Tapping screw T stands for tapping Other screws U stands for unique p...

Страница 168: ... use care not to short circuit the terminals Do not drop hit twist or bend the battery packs Do not scratch or break up their casing 1 Turn the laptop upside down 2 Slide the battery safety lock to the unlock position 3 Slide the battery release latch and remove the battery pack from the laptop as shown in Figure 4 1 Figure 4 1 Removing the Battery Pack NOTE Dispose of the used battery packs as re...

Страница 169: ...improper replacement use handling or disposal Always dispose of the battery packs as required by local ordinances or regulations Use only replacement batteries recommended by Toshiba NOTE Visually check the battery s terminals If they are dirty clean them with a dry cloth 1 Gently insert a new or recharged battery pack into place Check that the battery release latch slides in and stops with a clic...

Страница 170: ...on the top or bottom of the drive Applying such pressure can either corrupt the data in the drive or damage the drive Remove the HDD hard disk drive according to the following procedures and Figures 4 2 4 3 4 4 and 4 5 1 Remove one M2 5x8 screw securing the HDD door and remove the HDD door Figure 4 2 Removing the HDD door M2 5x8 ...

Страница 171: ...n the direction indicated by the arrows in Figure 4 3 Figure 4 3 Releasing the HDD from the connector 3 Pull the tab and remove the HDD as shown in Figure 4 4 Figure 4 4 Removing the HDD from the HDD bay NOTE Do not disassemble the HDD pack when it is working normally Disassemble or replace the HDD pack only if it fails ...

Страница 172: ...screws with torque value 3 5kgf in order as indicated in Figure 4 5 and separate the HDD foil from the HDD NOTE The HDD foil screws on this module are specific to the system Screws from older systems are not compatible and must not be used on the HDD Figure 4 5 Removing the HDD foil CAUTION Do not apply pressure to the top or bottom of the drive M3x3 2 M3x3 2 ...

Страница 173: ...gure 4 6 NOTE The HDD foil screws on this module have oversized heads and are specific to the system Screws from older systems are not compatible and must not be used on the HDD Figure 4 6 Securing the HDD foil CAUTION To prevent the HDD pack from being distorted when installing into the laptop do not press the center of the HDD pack Always hold the HDD pack by its sides 3 Install the HDD pack int...

Страница 174: ... laptop is turned off CAUTION Remove the optional memory after turning off the laptop If this is violated the laptop or memory can be damaged 1 Turn the laptop upside down 2 Loosen the one M2 5x5 6 screw securing the RAM door as shown in Figure 4 7 3 Remove the RAM door CAUTION Do not touch the connectors on the memory or in the laptop Contaminated connectors can cause memory access problems Figur...

Страница 175: ...ove the lower memory module Installing the Optional Memory Install the optional memory according to the following procedures after checking that the laptop is turned off CAUTION Install the optional memory after turning off the laptop If this is violated the laptop or memory can be damaged 7 Insert the lower memory module into the connector at an angle of 45 degrees 8 Press down on the memory modu...

Страница 176: ...60D Maintenance Manual 4 17 After the laptop is turned on check the hardware configuration in the Hardware Setup or TESTUP program to make sure that the installed memory has been recognized by the system If it has not been recognized yet check the connections ...

Страница 177: ...4 18 4 5 Keyboard Removing the Keyboard Remove the keyboard according to the following procedures and Figures 4 9 4 10 and 4 11 1 Close the laptop and turn it over Remove the three M2 5x8 screws as shown in Figure 4 9 Figure 4 9 Removing the three screws securing the keyboard M2 5x8 3 ...

Страница 178: ...in the battery bay to push the keyboard free as indicated in Figure 4 10 Figure 4 10 Releasing the keyboard 3 Lift up the keyboard and free it from the logic upper assembly Disconnect the cable on the back of the keyboard from the motherboard as shown in Figure 4 11 Remove the keyboard Figure 4 11 Disconnecting the cable and removing the keyboard ...

Страница 179: ...ard according to the following procedures 1 Connect the cable on the back of the keyboard to the motherboard 2 Place the keyboard in the correct position and press firmly downward to click into place making sure the keyboard is secure at all points 3 Close the laptop and flip it over 4 Secure the keyboard with three M2 5x8 screws ...

Страница 180: ...the two antennas on the WLAN card 2 Remove one M2 5x5 screw securing the WLAN card as shown in Figure 4 12 3 Pull the WLAN card out at an angle Figure 4 12 Removing the WLAN Card Removing the TV Tuner Card Remove the TV tuner card according to the following procedures and Figure 4 13 1 Disconnect the antenna on the TV tuner card 2 Remove one M2 5x5 screw on the TV tuner card as shown in Figure 4 1...

Страница 181: ...12 2 Press the WLAN card down and secure it with one M2 5x5 screw Connect the black WLAN antenna auxiliary to the connector on the left of the WLAN card and the white WLAN antenna main to the connector on the right Installing the TV Tuner Card Install the TV tuner card according to the following procedures 1 Insert the TV tuner card into the connector as shown in Figure 4 13 2 Press the TV tuner c...

Страница 182: ...e installed in the ODD bay See the appropriate sections for the disassembly procedures of specific modules Remove the ODD module according to the following procedures and Figure 4 14 1 Turn the laptop upside down 2 Remove one M2 5x8 screw 3 Pull the ODD module in the direction of the arrow as indicated in Figure 4 14 Figure 4 14 Removing the ODD module Tray load CAUTION Handle the ODD module caref...

Страница 183: ...D module with one M2 5x8 screw as indicated in Figure 4 14 Disassembling the ODD Tray load NOTE Do not disassemble the ODD drive when it is working normally Disassemble or replace the ODD drive only if it fails Disassemble the ODD according to the following procedures and Figure 4 15 1 Remove the two M2x3 screws securing the ODD bracket 2 Remove the ODD bracket Figure 4 15 Removing the ODD bracket...

Страница 184: ...Maintenance Manual 4 25 Figure 4 16 Hooks on the inside of the Tray load ODD bezel Assembling the ODD Tray load Assemble the ODD according to the following procedures 1 Seat the ODD bracket in the correct position and secure it with two M2x3 screws ODD bezel hook ODD bezel hook ...

Страница 185: ...ccording to the following procedures and Figures 4 17 4 18 and 4 19 1 Close the laptop and turn it over Remove the thirteen M2 5x8 screws securing the logic upper assembly as shown in Figure 4 17 Figure 4 17 Removing thirteen screws from the bottom of the laptop 2 Turn the laptop over and open it Remove the two M2 5x8 screws securing the logic upper assembly as shown in Figure 4 18 M2 5x8 13 ...

Страница 186: ...lite A660 A665 A660D Maintenance Manual 4 27 3 Disconnect the three connectors one Control Panel FCC one speaker cable and one Touch pad cable as shown in Figure 4 18 Figure 4 18 Disconnecting the cables and removing two upper logic assembly screws M2 5x8 2 ...

Страница 187: ...pper Assembly Install the logic upper assembly according to the following procedures 1 Seat the logic upper assembly from the back edge and adjust to the correct position Snap the logic upper assembly firmly into place 2 Attach the three cables and secure the logic upper assembly with two M2 5x8 screws as indicated in Figure 4 18 3 Close the laptop and turn it upside down Secure the logic upper as...

Страница 188: ...mpty space left by the ODD frame to release it from the connector on the motherboard 4 Lift and remove the ODD straight up from the logic lower assembly 5 Carefully push the ODD button eject button outward and away from the logic lower assembly then remove Installing the ODD Module Slot load Install the ODD module according to the following procedures 1 Replace the motherboard 2 Place the ODD into...

Страница 189: ... ODD only if it fails Disassemble the ODD according to the following procedures and Figure 4 20 1 Remove the two M2x3 screws securing the ODD bracket 2 Remove the ODD bracket from the ODD Figure 4 20 Disassembling the Slot load ODD Assembling the ODD Slot load Assemble the ODD according to the following procedures and Figure 4 20 1 Seat the ODD bracket in the correct position and secure it with tw...

Страница 190: ...y upside down 2 Remove one M2x2 5 screw securing the FeliCa card to the logic upper assembly Lift the FeliCa card by the front edge and remove it Figure 4 21 Removing the FeliCa card from the logic upper assembly Installing the FeliCa Card Install the FeliCa card according to the following procedures 1 Turn the logic upper assembly upside down Seat the FeliCa card in the proper position 2 Secure t...

Страница 191: ...ner Bracket Remove the fingerprint scanner bracket according to the following procedures and Figures 4 22 4 23 and 4 24 1 Turn the logic upper assembly upside down 2 Use your fingers to press and hold down the wings on either side of the fingerprint scanner bracket as shown in Figure 4 22 Figure 4 22 Raising the fingerprint scanner bracket from the logic upper assembly ...

Страница 192: ...nner bracket by the top and bottom edge and work it in the direction indicated in Figure 4 23 until the bracket becomes loose Figure 4 23 Working the fingerprint scanner bracket loose 4 Lift the edge of the fingerprint scanner bracket as shown in Figure 4 24 and remove it from the system Figure 4 24 Removing the fingerprint scanner bracket from the logic upper assembly ...

Страница 193: ...et according to the following procedures 1 Turn the logic upper assembly upside down 2 Use your fingers to press and hold down the wings on either side of the fingerprint scanner bracket as shown in Figure 4 22 3 Place the bottom edge of the fingerprint scanner bracket in the proper position 4 Lower the top edge of the fingerprint scanner bracket and press down until it snaps into place ...

Страница 194: ... to the logic upper assembly Lift the bottom edge of the touch pad board to release it from the tab securing the top edge Remove the touch pad board Figure 4 25 Removing the touch pad board Installing the Touch Pad Board Install the touch pad board according to the following procedures 1 Seat the touch pad board in the correct place on the logic upper assembly ensuring the top edge is secure under...

Страница 195: ... Remove the speakers according to the following procedures and Figure 4 26 1 Pull the FCC cable covering the speaker cables from the slot as indicated in Figure 4 26 2 Pull the speaker cables from the routing channel 3 Remove the four M2x3 screws securing the speakers to the logic upper assembly and remove the speakers Figure 4 26 Removing the speakers M2x3 2 M2x3 2 ...

Страница 196: ...27 Removing the speaker cushions Installing the Speaker Cushions Install the speaker cushions according to the following procedures 1 Pinch the speaker cushions and insert them into the speakers Installing the Speakers Install the speakers according to the following procedures 1 Seat the speakers in the correct position on the logic upper assembly 2 Secure the four M2 5x6 5 screws as shown in Figu...

Страница 197: ... and Figure 4 28 1 Disconnect the USB board cable from the motherboard 2 Lift the USB board from the back edge to release it from the catch and remove it Figure 4 28 Removing the USB board Installing the USB Board Install the USB board according to the following procedure 1 Seat the USB board in the proper position and snap it into place 2 Connect the USB board cable to the motherboard ...

Страница 198: ...llowing procedures and Figure 4 29 1 Disconnect the indicator board cable from the motherboard 2 Lift the indicator board out of the slot and remove it Figure 4 29 Removing the indicator board Installing the Indicator Board Install the indicator board according to the following procedures 1 Place the indicator board in the slot and attach the cable to the motherboard as shown in Figure 4 29 ...

Страница 199: ...30 1 Remove the two M2x5 screws from the thermal fan as shown in Figure 4 30 2 Disconnect the cable from the motherboard 3 Remove the thermal fan Figure 4 30 Removing the thermal fan Installing the Thermal Fan Install the thermal fan according to the following procedures 1 Seat the thermal fan in the correct position 2 Secure the thermal fan with two M2x5 screws 3 Connect the cable to the motherbo...

Страница 200: ...otherboard Assembly Removing the Motherboard Assembly Remove the motherboard assembly according to the following procedures and Figures 4 31 4 32 and 4 33 1 Slide the DC in cable upward and remove it from the connector slot as shown in Figure 4 31 Figure 4 31 Removing the DC in cable from the connector slot ...

Страница 201: ... Satellite A660 A665 A660D Maintenance Manual 4 42 2 Remove the M2 5x5 screw securing the motherboard and disconnect the power membrane IR sensor and LVDS cables as shown in Figure 4 32 Figure 4 32 Removing the screw and disconnect four cables M2 5x5 1 ...

Страница 202: ...screet motherboard from the system Installing the Motherboard Install the motherboard according to the following procedures 1 Seat the motherboard in the correct position 2 Secure the motherboard with one M2 5x5 screw as shown in Figure 4 32 3 Connect the power membrane IR sensor and the LVDS cables to the motherboard 4 Slot the DC in cable into the connector port slot and press the wires into the...

Страница 203: ...t it cool down before starting the repair work 2 Use care when removing and disassembling the unit in order to avoid damage 3 If you remove the thermal module please use a soft cloth with alcohol to clean it Reapply Shinetsu 7762 grease before installing the thermal module If you use a new thermal module please ensure to remove the release paper first 1 Remove the three M2 5x6 5 spring screws and ...

Страница 204: ...to the following procedures and Figures 4 35 and 4 36 1 Reapply Shinetsu 7762 thermal grease on the VGA thermal pads as shown in Figure 4 35 If you use a new thermal module remove the release papers on the thermal pads first Figure 4 35 Reapplying Shinetsu 7762 grease on the thermal module and remove any release papers thermal grease thermal grease thermal pads ...

Страница 205: ...Manual 4 46 2 Seat the thermal module on the motherboard in the correct position and secure the four M2 5x6 spring screws and the three M2 5x6 5spring screws according to the number sequence sealed on the thermal module as shown in Figure 4 36 Figure 4 36 Installing the thermal module ...

Страница 206: ...removing the CPU keep the following in mind The CPU can become very hot during operation Be sure to let it cool down before starting repair work 1 Use a flat blade screwdriver to unlock the CPU by rotating the cam on the CPU socket counterclockwise to the unlock position aligning the divot on the cam with the unlocked icon as shown in Figure 4 37 2 Remove the CPU Figure 4 37 Removing the CPU ...

Страница 207: ...l the CPU according to the following procedures 1 Check to ensure the cam is in the unlock position 2 Seat the CPU on the socket using care not to damage the pins Align the CPU with the CPU socket using the triangle marker as a guide 3 Rotate the cam clockwise to the lock position with a flat blade screwdriver ...

Страница 208: ...ff and remove the power membrane taking care not to damage or tear it Figure 4 38 Removing the power membrane Installing the Power Membrane Install the power membrane according to the following procedures 1 Seat the power membrane in the correct place and adhere it to the lower logic assembly NOTE Where possible reuse the power membrane If the power membrane is faulty or is compromised during remo...

Страница 209: ...39 1 Remove the six M2 5x5 screws securing the display assembly in the order indicated in Figure 4 39 2 Remove the display assembly Figure 4 39 Removing the display assembly Installing the Display Assembly Install the display assembly according to the following procedures 1 Hold the display assembly in the correct position Secure it with six M2 5x5 screws according to the number sequence sealed on...

Страница 210: ...l Remove the LCD bezel according to the following procedures and Figures 4 40 and 4 41 1 Remove the four rubber seals from the LCD bezel and four M2 5x5 screws securing the LCD bezel to the display assembly as shown in Figure 4 40 Figure 4 40 Removing four screws securing the LCD bezel to the display assembly M2 5x5 2 M2 5x5 2 ...

Страница 211: ...nual 4 52 2 Pry up the LCD bezel from the outside bottom and outside top edges Work your way around the outside edges of the LCD bezel until it is free of the display assembly as shown in Figure 4 41 3 Remove the LCD bezel Figure 4 41 Prying up the LCD bezel from the outside edges ...

Страница 212: ...mbly down onto the display assembly until it snaps into place Work your way around the face of the LCD bezel ensuring that it is securely snapped into place at all points 3 Secure the LCD bezel to the display assembly with the four M2 5x5 screws and cover the screws with the rubber seals CAUTION Take care not to pinch the WLAN and 3G optional antennas when installing the LCD bezel Ensure the anten...

Страница 213: ...D Maintenance Manual 4 54 4 23 DC DC Board Removing the DC DC Board Remove the DC DC board according to the following procedures and Figure 4 42 and 4 43 1 Release the DC DC board from the snaps holding it in place Figure 4 42 Releasing the DC DC board from the snaps ...

Страница 214: ... board from the LCD assembly Figure 4 43 Removing the DC DC board the display assembly Installing the DC DC Board Install the DC DC Board according to the following procedures 1 Connect the two cables to the DC DC board 2 Seat the DC DC board in the correct position and gently push down on the left and right edges until it snaps into place ...

Страница 215: ...4 LCD Panel Removing the LCD Panel Remove the LCD panel according to the following procedures and Figure 4 44 4 45 and 4 46 1 Remove the four M2 5x5 screws securing the LCD panel in the order indicated in Figure 4 44 Figure 4 44 Removing the four screws securing the LCD panel M2 5x5 2 M2 5x5 2 ...

Страница 216: ...665 A660D Maintenance Manual 4 57 2 Disconnect the camera cable Figure 4 45 Disconnecting the camera cable 3 Flip over the LCD panel Peel off the foil on the LVDS cable and disconnect the LVDS cable from the LCD panel Figure 4 46 Disconnecting the LVDS cable ...

Страница 217: ...ing the LCD Panel Install the LCD panel according to the following procedures 1 Connect the LVDS cable to the back of the LCD panel 2 Seat the LCD panel in the correct position 3 Connect the camera cable to the camera 4 Secure the LCD panel with the four M2 5x5 screws according to the number sequence sealed on the hinges ...

Страница 218: ... six M2x3 screws securing the LCD panel hinges in the order indicated in Figure 4 47 2 Remove the LCD panel hinges Figure 4 47 Removing the LCD panel hinges from the LCD Panel Installing the LCD Panel Hinges Install the LCD panel hinges according to the following procedures 1 Place the LCD panel hinges in the correct position on the LCD panel and secure with six M2x3 screws according to the number...

Страница 219: ...o the following procedures and Figure 4 48 1 Peel the web camera upward from the bottom edge and remove it from the display assembly Figure 4 48 Removing the web camera from the display assembly Installing the Web Camera Install the web camera according to the following procedures 1 Seat the web camera in the correct position and secure it to the display assembly ...

Страница 220: ...connect the cable from the inner IR sensor 2 Peel the inner IR sensor upward from the bottom edge and remove it from the display assembly Figure 4 49 Removing the inner IR sensor from the display assembly Installing the Inner IR Sensor Install the inner IR sensor according to the following procedures 1 Seat the inner IR sensor in the correct position and secure it to the display assembly 2 Connect...

Страница 221: ...nas Removing the WLAN Antennas Remove the WLAN antennas according to the following procedures and Figure 4 50 1 Pull out the WLAN antenna cables from the routing channels 2 Peel up the WLAN antennas heads Remove the WLAN antennas from the system Figure 4 50 Removing the WLAN antennas from the display assembly ...

Страница 222: ... Route the WLAN antennas in the routing channels Take care to route the antennas properly through the channels as indicated in Figure 4 50 CAUTION The black and white WLAN antennas should run parallel to the edge of the LCD display assembly The optional 3G antennas where present will diverge from the WLAN antennas at the top of the unit as shown in Figure 4 50 NOTE The black antenna should be on t...

Страница 223: ...e LVDS cable from the display assembly Peel off and remove the LVDS cable from the back of the LCD panel taking care not to damage the LCD panel Figure 4 51 Removing the LVDS cable from the LCD panel Installing the LVDS Cable Install the LVDS cable according to the following procedures 1 Place the LVDS cable in the correct position and adhere it to the LCD panel 2 Connect the LVDS cable to the con...

Страница 224: ...and Figure 4 52 1 Pull the TV tuner antenna cable from the routing channel and remove the connector from the bracket and remove the TV tuner antenna Figure 4 52 Removing the TV tuner antenna Installing the TV Tuner Antenna Install the TV tuner antenna according to the following procedure 1 Place the TV tuner antenna connector in the bracket and push it down Route the TV tuner antenna cable in the ...

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