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Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual page 59

Maintenance manual
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Table of Contents

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2.3 Power Supply Troubleshooting
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
q Error code (8 bit)
"1"
"0"
Interval between data bits
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 Troubleshooting Procedures
Off for 2 seconds
On for one second
On for a half second
Off for a half second
2-9
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