Acer Power SX/SXb/SC Service Guide
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Output Requirements +5V +12V -12V +3.3V +5Vaux +-5% +-5% +-10% +-4% +-5% Regulation NOTE: AcerPower Sc is using 145W power supply. 15A 3A 0.3A 12A 3A Current Rating 20 Chapter 1 Switching Power Supply 102W 50MHz 60MHz Input Frequency 47MHz to 53MHz 57MHz to 63MHz Frequency Variation Range Input Voltage 100 - 120 VRMS 200 - 240 VRMS 90 - 132 VRMS 180 - 264 VRMS Variation Range Input Current Measuring Range 4A 90 -132 VRMS 2A 180 - 264 VRMS NOTE: Measure at line input 90 VRMS and maximum load condition.
Output Requirements +5V +12V -12V +3.3V +5Vaux +-5% +-5% +-10% +-4% +-5% Regulation NOTE: AcerPower Sc is using 145W power supply. 15A 3A 0.3A 12A 3A Current Rating 20 Chapter 1 Switching Power Supply 102W 50MHz 60MHz Input Frequency 47MHz to 53MHz 57MHz to 63MHz Frequency Variation Range Input Voltage 100 - 120 VRMS 200 - 240 VRMS 90 - 132 VRMS 180 - 264 VRMS Variation Range Input Current Measuring Range 4A 90 -132 VRMS 2A 180 - 264 VRMS NOTE: Measure at line input 90 VRMS and maximum load condition.
Acer Power SX/SXb/SC Service Guide
Page 76
...Remove all adapter cards that the diskette drive is not set to disable parity check. 2. Ensure that are NOT factory- Also check the power supply voltages if you replace the main board. If no other activity has been affected by using the "BIOS Messages List" table and "Error... Action/FRU 1. installed, then reboot the system. 1. System board 1. Enter BIOS Setup and load the default settings. 3. NOTE: Check all power supply voltages, switch, and jumper settings before you have done so, you must run the diagnostics program tests but did not receive any error message, look...
...Remove all adapter cards that the diskette drive is not set to disable parity check. 2. Ensure that are NOT factory- Also check the power supply voltages if you replace the main board. If no other activity has been affected by using the "BIOS Messages List" table and "Error... Action/FRU 1. installed, then reboot the system. 1. System board 1. Enter BIOS Setup and load the default settings. 3. NOTE: Check all power supply voltages, switch, and jumper settings before you have done so, you must run the diagnostics program tests but did not receive any error message, look...
Acer Power SX/SXb/SC Service Guide
Page 78
... List NOTE: To diagnose a problem, first find the error symptom in the Disk Drives of BIOS Setup. 2. System works but power supply fan runs. 1. System hangs before diagnosing any diskette drive problems. Media and drive are mismatched. 1. See "Undetermined Problems" System hangs... system. 2. System board 70 Chapter 4 In Windows 98, check settings in right column is indicated, the first Action/ FRU listed in Power Management Property of the problem. 2. Memory module. 3. Processor test failed. 1. See "Memory" 2. Enter BIOS Setup and load default settings...
... List NOTE: To diagnose a problem, first find the error symptom in the Disk Drives of BIOS Setup. 2. System works but power supply fan runs. 1. System hangs before diagnosing any diskette drive problems. Media and drive are mismatched. 1. See "Undetermined Problems" System hangs... system. 2. System board 70 Chapter 4 In Windows 98, check settings in right column is indicated, the first Action/ FRU listed in Power Management Property of the problem. 2. Memory module. 3. Processor test failed. 1. See "Memory" 2. Enter BIOS Setup and load default settings...
Acer Power SX/SXb/SC Service Guide
Page 81
... Default Settings" in BIOS Setup to Suspend. 2. System board. Printer. 3. System board. Refer to the service manual for the power cable) is not running. 1. Ensure the Power Switch < 4 sec. No system power, or power supply fan is not set to confirm ports presence before diagnosing any parallel/serial ports problems. Serial or parallel port loop...
... Default Settings" in BIOS Setup to Suspend. 2. System board. Printer. 3. System board. Refer to the service manual for the power cable) is not running. 1. Ensure the Power Switch < 4 sec. No system power, or power supply fan is not set to confirm ports presence before diagnosing any parallel/serial ports problems. Serial or parallel port loop...
Acer Power SX/SXb/SC Service Guide
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... symptom is present, go to "POST Error Messages List" on page 70. Perform the following steps: 2. Diskette drive ! External devices ! Check the power supply voltages. Load default settings in "or "Error Symptoms List" on page 68 . CD/DVD-ROM drive ! Processor ! If you have isolated the problem...a time: 10. Check all adapter card jumper positions. 7. Undetermined Problems If an error message is listed in setup. 5. Non-Acer devices ! Check all system board jumper positions and switch settings. 6. If you find the failing device or adapter. 76 Chapter...
... symptom is present, go to "POST Error Messages List" on page 70. Perform the following steps: 2. Diskette drive ! External devices ! Check the power supply voltages. Load default settings in "or "Error Symptoms List" on page 68 . CD/DVD-ROM drive ! Processor ! If you have isolated the problem...a time: 10. Check all adapter card jumper positions. 7. Undetermined Problems If an error message is listed in setup. 5. Non-Acer devices ! Check all system board jumper positions and switch settings. 6. If you find the failing device or adapter. 76 Chapter...
Acer Power SX/SXb/SC Service Guide
Page 116
... List 70 Audio 72 CD/DVD-ROM Drive 71 Diskette Drive 70 Keyboard 73 Memory 70 Modem 72 Monitor 72 Other 73 Parallel Port 73 Power Supply 73 Processor / Processor Fan 70 Real-Time Clock 72 Serial Port 73 System Board 70 Video 72 System Information 1st bank 27 2nd bank 27... 38 Date 39 Disk Drives 30 Exiting Setup 49 108 Load Default Settings 47 Memory/Cache Options 43 Onboard Peripherals 33 PnP/PCI Options 45 Power Management 36 Product Information 28 System Security 40 Time 39 T Temperature 19 Test Compatible Components 93 Time 39 To 24 Troubleshooting 63 U UART 16 Undetermined...
... List 70 Audio 72 CD/DVD-ROM Drive 71 Diskette Drive 70 Keyboard 73 Memory 70 Modem 72 Monitor 72 Other 73 Parallel Port 73 Power Supply 73 Processor / Processor Fan 70 Real-Time Clock 72 Serial Port 73 System Board 70 Video 72 System Information 1st bank 27 2nd bank 27... 38 Date 39 Disk Drives 30 Exiting Setup 49 108 Load Default Settings 47 Memory/Cache Options 43 Onboard Peripherals 33 PnP/PCI Options 45 Power Management 36 Product Information 28 System Security 40 Time 39 T Temperature 19 Test Compatible Components 93 Time 39 To 24 Troubleshooting 63 U UART 16 Undetermined...