Toshiba Online Users Guide for Satellite A20/A25
Page 243
This appendix shows the shapes of the typical AC power cable connectors for various parts of the world. USA and Canada United Kingdom UL approved CSA approved Australia BS approved Europe AS approved VDA approved NEMKO approved 243 Appendix B Power Cable Connectors Your notebook computer features a universal power supply you can use worldwide.
This appendix shows the shapes of the typical AC power cable connectors for various parts of the world. USA and Canada United Kingdom UL approved CSA approved Australia BS approved Europe AS approved VDA approved NEMKO approved 243 Appendix B Power Cable Connectors Your notebook computer features a universal power supply you can use worldwide.
Maintenance Manual
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... Flowchart 2-3 2.3 Power Supply Troubleshooting 2-7 2.4 System Board Troubleshooting 2-19 2.5 FDD Troubleshooting 2-33 2.6 HDD Troubleshooting 2-36 2.7 Keyboard Troubleshooting 2-41 2.8 Display Troubleshooting 2-44 2.9 CD-RW/DVD, DVD-ROM, DVD-R/-RW and DVD Multi Drive Troubleshooting 2-46 2.10 Modem Troubleshooting 2-48 2.11 LAN Troubleshooting 2-50 2.12 Wireless LAN Troubleshooting 2-52 2.13 Sound Troubleshooting 2-56 Satellite A20 Maintenance Manual...
... Flowchart 2-3 2.3 Power Supply Troubleshooting 2-7 2.4 System Board Troubleshooting 2-19 2.5 FDD Troubleshooting 2-33 2.6 HDD Troubleshooting 2-36 2.7 Keyboard Troubleshooting 2-41 2.8 Display Troubleshooting 2-44 2.9 CD-RW/DVD, DVD-ROM, DVD-R/-RW and DVD Multi Drive Troubleshooting 2-46 2.10 Modem Troubleshooting 2-48 2.11 LAN Troubleshooting 2-50 2.12 Wireless LAN Troubleshooting 2-52 2.13 Sound Troubleshooting 2-56 Satellite A20 Maintenance Manual...
Maintenance Manual
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1 Hardware Overview Chapter 1 Contents 1.1 Features ...1-1 1.2 System Unit Block Diagram 1-7 1.3 2.5-inch Hard Disk Drive 1-14 1.4 CD-RW/DVD Drive 1-16 1.5 DVD-R/-RW Drive 1-19 1.6 DVD Multi Drive ...1-20 1.7 Keyboard...1-23 1.8 TFT Color Display...1-24 1.8.1 LCD Module 1-24 1.8.2 FL Inverter Board 1-25 1.9 Power Supply...1-26 1.10 Batteries...1-28 1.10.1 Main Battery 1-28 1.10.2 Battery LED (Main Battery 1-28 1.10.3 Battery Charging Control 1-29 1.10.4 RTC battery 1-30 Satellite A20 Maintenance Manual (960-444) 1-iii
1 Hardware Overview Chapter 1 Contents 1.1 Features ...1-1 1.2 System Unit Block Diagram 1-7 1.3 2.5-inch Hard Disk Drive 1-14 1.4 CD-RW/DVD Drive 1-16 1.5 DVD-R/-RW Drive 1-19 1.6 DVD Multi Drive ...1-20 1.7 Keyboard...1-23 1.8 TFT Color Display...1-24 1.8.1 LCD Module 1-24 1.8.2 FL Inverter Board 1-25 1.9 Power Supply...1-26 1.10 Batteries...1-28 1.10.1 Main Battery 1-28 1.10.2 Battery LED (Main Battery 1-28 1.10.3 Battery Charging Control 1-29 1.10.4 RTC battery 1-30 Satellite A20 Maintenance Manual (960-444) 1-iii
Maintenance Manual
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... CD-RW/DVD drive specifications 1-17 DVD-R/-RW drive specifications 1-19 DVD Multi drive specifications 1-20 LCD module specifications 1-25 FL inverter board specifications 1-25 Power supply board output rating 1-27 Battery specifications 1-28 Time required for quick charges 1-29 RTC battery charging/data preservation time 1-30 1-iv Satellite A20 Maintenance Manual (960-444)
... CD-RW/DVD drive specifications 1-17 DVD-R/-RW drive specifications 1-19 DVD Multi drive specifications 1-20 LCD module specifications 1-25 FL inverter board specifications 1-25 Power supply board output rating 1-27 Battery specifications 1-28 Time required for quick charges 1-29 RTC battery charging/data preservation time 1-30 1-iv Satellite A20 Maintenance Manual (960-444)
Maintenance Manual
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Flash rewriting q PSC (Power Supply Controller) • One TMP87PM48V chip is integrated into the MM1535+ chip. q Onboard memory: 0MB q Optional memory Two SO-DIMM slots are used . Both ...EC. • KBC has the following functions: - System I/F - Thermal conditions control - Scan controller to check status of battery use. 1-12 Satellite A20 Maintenance Manual (960-444) Interface controller between the keyboard scan controller and the system • EC has the following functions: - Power supply sequence control - This memory maintains records of keyboard matrix -
Flash rewriting q PSC (Power Supply Controller) • One TMP87PM48V chip is integrated into the MM1535+ chip. q Onboard memory: 0MB q Optional memory Two SO-DIMM slots are used . Both ...EC. • KBC has the following functions: - System I/F - Thermal conditions control - Scan controller to check status of battery use. 1-12 Satellite A20 Maintenance Manual (960-444) Interface controller between the keyboard scan controller and the system • EC has the following functions: - Power supply sequence control - This memory maintains records of keyboard matrix -
Maintenance Manual
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.... 6. Status indicators • DC IN LED • Battery LED 5. 1 Hardware Overview 1.9 Power Supply 1.9 Power Supply The power supply distributes many different voltages to systems components (load and logic circuits) • Battery pack voltage, overvoltage and I/O current • Battery pack internal temperature 1-26 Satellite A20 Maintenance Manual (960-444) Input port management • AC adaptor connection • Battery pack...
.... 6. Status indicators • DC IN LED • Battery LED 5. 1 Hardware Overview 1.9 Power Supply 1.9 Power Supply The power supply distributes many different voltages to systems components (load and logic circuits) • Battery pack voltage, overvoltage and I/O current • Battery pack internal temperature 1-26 Satellite A20 Maintenance Manual (960-444) Input port management • AC adaptor connection • Battery pack...
Maintenance Manual
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1.9 Power Supply 1 Hardware Overview The power supply output rating is specified in table 1-7. Table 1-7 Power supply board output rating Use Name Voltage Power supplied Yes/No (V) Stand by Power off No battery CPU,M1672 CPU M1672,Memory PPV 1.55-1.25 NO NO NO ...YES NO NO M1535+,Clock Generator,Memory,Mini PCI P3V 3.3 NO NO NO LCD PNL-P3V 3.3 NO NO NO USB Power E5V 5.0 YES NO NO M1672,PC-Card(s) B5V 5.0 YES NO NO M1535+,BIOS,HDD,Mini PCI,Keyboard,TouchPad,FAN,... YES YES YES NO NO NO NO NO NO NO NO YES Satellite A20 Maintenance Manual (960-444) 1-27
1.9 Power Supply 1 Hardware Overview The power supply output rating is specified in table 1-7. Table 1-7 Power supply board output rating Use Name Voltage Power supplied Yes/No (V) Stand by Power off No battery CPU,M1672 CPU M1672,Memory PPV 1.55-1.25 NO NO NO ...YES NO NO M1535+,Clock Generator,Memory,Mini PCI P3V 3.3 NO NO NO LCD PNL-P3V 3.3 NO NO NO USB Power E5V 5.0 YES NO NO M1672,PC-Card(s) B5V 5.0 YES NO NO M1535+,BIOS,HDD,Mini PCI,Keyboard,TouchPad,FAN,... YES YES YES NO NO NO NO NO NO NO NO YES Satellite A20 Maintenance Manual (960-444) 1-27
Maintenance Manual
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...exceeds the limit. 3. The battery's temperature exceeds 60°C. Use of power the system is affected by a power supply microprocessor mounted on or off Power on is consuming. Table 1-9 Time required for quick charges Status Power off and detects a full charge when the AC adaptor and battery are... attached to 12.5 hours or longer NOTE: The time required for quick charges are listed in table 1-9. The AC adaptor or battery is abnormal 4. Satellite A20 Maintenance Manual (960-444...
...exceeds the limit. 3. The battery's temperature exceeds 60°C. Use of power the system is affected by a power supply microprocessor mounted on or off Power on is consuming. Table 1-9 Time required for quick charges Status Power off and detects a full charge when the AC adaptor and battery are... attached to 12.5 hours or longer NOTE: The time required for quick charges are listed in table 1-9. The AC adaptor or battery is abnormal 4. Satellite A20 Maintenance Manual (960-444...
Maintenance Manual
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2 Troubleshooting Procedures Chapter 2 Contents 2.1 Troubleshooting ...2-1 2.2 Troubleshooting Flowchart 2-3 2.3 Power Supply Troubleshooting 2-7 Procedure 1 Power Status Check 2-7 Procedure 2 Error Code Check 2-9 Procedure 3 Connection Check 2-16 Procedure 4 Quick Charge Check 2-17 Procedure 5 Replacement Check 2-18 2.4 System Board Troubleshooting 2-... Connector Check and Replacement Check 2-40 2.7 Keyboard Troubleshooting 2-41 Procedure 1 Diagnostic Test Program Execution Check 2-41 Procedure 2 Connector and Replacement Check 2-42 Satellite A20 Maintenance Manual (960-444) 2-iii
2 Troubleshooting Procedures Chapter 2 Contents 2.1 Troubleshooting ...2-1 2.2 Troubleshooting Flowchart 2-3 2.3 Power Supply Troubleshooting 2-7 Procedure 1 Power Status Check 2-7 Procedure 2 Error Code Check 2-9 Procedure 3 Connection Check 2-16 Procedure 4 Quick Charge Check 2-17 Procedure 5 Replacement Check 2-18 2.4 System Board Troubleshooting 2-... Connector Check and Replacement Check 2-40 2.7 Keyboard Troubleshooting 2-41 Procedure 1 Diagnostic Test Program Execution Check 2-41 Procedure 2 Connector and Replacement Check 2-42 Satellite A20 Maintenance Manual (960-444) 2-iii
Maintenance Manual
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... *1 Low Battery Hibernation will be executed soon. *2 Low Battery Hibernation has already been executed. Satellite A20 Maintenance Manual (960-444) 2-7 Battery LED Lights orange Lights green Blinks orange (even intervals) Flashes orange Doesn't light Table 2-1 Battery LED Power supply status Quick charge Battery is fully charged and AC adaptor is low.*2 Any condition other...
... *1 Low Battery Hibernation will be executed soon. *2 Low Battery Hibernation has already been executed. Satellite A20 Maintenance Manual (960-444) 2-7 Battery LED Lights orange Lights green Blinks orange (even intervals) Flashes orange Doesn't light Table 2-1 Battery LED Power supply status Quick charge Battery is fully charged and AC adaptor is low.*2 Any condition other...
Maintenance Manual
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Check 1 If the DC IN LED blinks orange, go to Procedure 4. 2-8 Satellite A20 Maintenance Manual (960-444) 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Table 2-2 DC IN LED DC IN LED Lights green Blinks orange Doesn't light Power supply status DC power is displayed. To check the power supply status, install a battery pack and connect an AC adaptor. Check 3 If the battery...
Check 1 If the DC IN LED blinks orange, go to Procedure 4. 2-8 Satellite A20 Maintenance Manual (960-444) 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Table 2-2 DC IN LED DC IN LED Lights green Blinks orange Doesn't light Power supply status DC power is displayed. To check the power supply status, install a battery pack and connect an AC adaptor. Check 3 If the battery...
Maintenance Manual
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2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Procedure 2 Error Code Check If the power supply microprocessor detects a malfunction, the DC IN LED blinks orange. The blink pattern indicates an error as shown below. q Start Off for 2 seconds q Error code (8 bit) "1" On for one second "0" On for a half second Interval between data bits Off for a half second The error code begins with the least significant digit. Example: Error code 12h (Error codes are given in hexadecimal format.) Satellite A20 Maintenance Manual (960-444) 2-9
2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Procedure 2 Error Code Check If the power supply microprocessor detects a malfunction, the DC IN LED blinks orange. The blink pattern indicates an error as shown below. q Start Off for 2 seconds q Error code (8 bit) "1" On for one second "0" On for a half second Interval between data bits Off for a half second The error code begins with the least significant digit. Example: Error code 12h (Error codes are given in hexadecimal format.) Satellite A20 Maintenance Manual (960-444) 2-9
Maintenance Manual
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The error code begins with : 0xEF 2-10 Satellite A20 Maintenance Manual (960-444) Error code begins with : 0x30 Error code ends with : 0x3F 4*h S3V output (P60) Operating Power ON 5*h E5V output (P61) Error code begins with : 0x40 6*h E3V output (P62) 7*h PPV output (P63:CH0) 8*h ...output (P65:CH1) E*h 1R25-B1V output (P66:CH1) F*h Error code ends with the least significant digit. 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Check 1 Convert the DC IN LED blink pattern into the hexadecimal error code and compare it to the tables below. Error code...
The error code begins with : 0xEF 2-10 Satellite A20 Maintenance Manual (960-444) Error code begins with : 0x30 Error code ends with : 0x3F 4*h S3V output (P60) Operating Power ON 5*h E5V output (P61) Error code begins with : 0x40 6*h E3V output (P62) 7*h PPV output (P63:CH0) 8*h ...output (P65:CH1) E*h 1R25-B1V output (P66:CH1) F*h Error code ends with the least significant digit. 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Check 1 Convert the DC IN LED blink pattern into the hexadecimal error code and compare it to the tables below. Error code...
Maintenance Manual
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...(Not supported) Main battery charge current is not normal. Current sensing IC is over 13.2A. Current from the DC power supply is no load. Main battery charge current is no load. Main battery discharge current is over 0.5A when there is over... load. Main battery discharge current is over 0.5A when there is over 13.2A. Current from the DC power supply is over 0.5A when there is more than 4.3A when the main battery isn't being charged. Common Dock output ....2A. S3V voltage is 3.14V or less when the computer is booting up. (CV support) Satellite A20 Maintenance Manual (960-444) 2-11
...(Not supported) Main battery charge current is not normal. Current sensing IC is over 13.2A. Current from the DC power supply is no load. Main battery charge current is no load. Main battery discharge current is over 0.5A when there is over... load. Main battery discharge current is over 0.5A when there is over 13.2A. Current from the DC power supply is over 0.5A when there is more than 4.3A when the main battery isn't being charged. Common Dock output ....2A. S3V voltage is 3.14V or less when the computer is booting up. (CV support) Satellite A20 Maintenance Manual (960-444) 2-11
Maintenance Manual
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... E3V voltage is over 3.96V when the computer is powered on . E3V voltage is abnormal when the computer is powered on /off. 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting q E5V output Error code 50h 51h Meaning E5V voltage is over 6.00V when the computer is powered on/off . 2-12 Satellite A20 Maintenance Manual (960-444) E3V voltage is abnormal...
... E3V voltage is over 3.96V when the computer is powered on . E3V voltage is abnormal when the computer is powered on /off. 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting q E5V output Error code 50h 51h Meaning E5V voltage is over 6.00V when the computer is powered on/off . 2-12 Satellite A20 Maintenance Manual (960-444) E3V voltage is abnormal...
Maintenance Manual
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... is suspended. EMV voltage is 1.53V or more when the computer is powered off . EMV voltage is 1.53V when the computer is powered off . Satellite A20 Maintenance Manual (960-444) 2-13 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures q EMV output Error code 80h 81h 82h 83h 84h... Meaning EMV voltage is over 3.00V when the computer is powered on/off . 1R25-B 1V voltage is...
... is suspended. EMV voltage is 1.53V or more when the computer is powered off . EMV voltage is 1.53V when the computer is powered off . Satellite A20 Maintenance Manual (960-444) 2-13 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures q EMV output Error code 80h 81h 82h 83h 84h... Meaning EMV voltage is over 3.00V when the computer is powered on/off . 1R25-B 1V voltage is...
Maintenance Manual
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... . D4h 2R5-E2V voltage is 2.125V or less when the computer is suspended. 2-14 Satellite A20 Maintenance Manual (960-444) C1h EMV voltage is 1.53V or less when the computer is powered on . B2h PPV voltage is 1.04V or less when the computer is booting up . C4h EMV ...voltage is 1.53V or less when the computer is powered on . D3h 2R5-E2V voltage is 2.125V or more when the computer is powered off . 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting q PPV output Error code Meaning B0h PPV voltage is over 1.50V when the ...
... . D4h 2R5-E2V voltage is 2.125V or less when the computer is suspended. 2-14 Satellite A20 Maintenance Manual (960-444) C1h EMV voltage is 1.53V or less when the computer is powered on . B2h PPV voltage is 1.04V or less when the computer is booting up . C4h EMV ...voltage is 1.53V or less when the computer is powered on . D3h 2R5-E2V voltage is 2.125V or more when the computer is powered off . 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting q PPV output Error code Meaning B0h PPV voltage is over 1.50V when the ...
Maintenance Manual
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If the battery pack is correctly installed, go to the following step: q Connect a new AC adaptor and/or AC power cord, if necessary. If the cables are firmly plugged into the DC IN 15 V socket and wall outlet. Check 3 In the case of... occurred, go to the following step: q Replace the battery pack with a new one. If the error still exists, go to Procedure 5. Satellite A20 Maintenance Manual (960-444) 2-15 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Check 2 In the case of error code 2Xh: q Make sure the battery pack is correctly installed in the computer.
If the battery pack is correctly installed, go to the following step: q Connect a new AC adaptor and/or AC power cord, if necessary. If the cables are firmly plugged into the DC IN 15 V socket and wall outlet. Check 3 In the case of... occurred, go to the following step: q Replace the battery pack with a new one. If the error still exists, go to Procedure 5. Satellite A20 Maintenance Manual (960-444) 2-15 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Check 2 In the case of error code 2Xh: q Make sure the battery pack is correctly installed in the computer.
Maintenance Manual
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... Satellite A20 Maintenance Manual (960-444) If the battery is close to Check 5. Check the power cable for breaks. If these cables are firmly plugged into the DC IN 15 V socket, AC adaptor inlet and wall outlet. Check 1 Disconnect the AC power cord from wall outlet. 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Procedure 3 Connection Check The power supply wiring...
... Satellite A20 Maintenance Manual (960-444) If the battery is close to Check 5. Check the power cable for breaks. If these cables are firmly plugged into the DC IN 15 V socket, AC adaptor inlet and wall outlet. Check 1 Disconnect the AC power cord from wall outlet. 2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting Procedure 3 Connection Check The power supply wiring...
Maintenance Manual
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... Make sure the AC adaptor and AC power cord are connected correctly, replace the AC adaptor (and/or AC power cord, if necessary). Return the temperature to charge the battery pack. Satellite A20 Maintenance Manual (960-444) 2-17 Reinstall... the battery pack. 2. When quick charge is not installed. The battery is complete, the diagnostics test displays the result code. If the battery is properly installed. 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Procedure 4 Quick Charge Check The power supply...
... Make sure the AC adaptor and AC power cord are connected correctly, replace the AC adaptor (and/or AC power cord, if necessary). Return the temperature to charge the battery pack. Satellite A20 Maintenance Manual (960-444) 2-17 Reinstall... the battery pack. 2. When quick charge is not installed. The battery is complete, the diagnostics test displays the result code. If the battery is properly installed. 2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures Procedure 4 Quick Charge Check The power supply...