2 Troubleshooting Procedures
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 Procedures
as instructed. The flowchart in Figure 2-2 gives a summary of the process. The procedures
described in this section are:
Procedure 1: Power status check
Procedure 2: Adaptor / battery replacement
Procedure 3: Power supply connection check
Procedure 4: Diagnostic check
Procedure 5: Internal connection check
Procedure 1
Power Status Check
The following LEDS indicate the power supply status:
Battery LED
DC-IN LED
The power supply controller displays the power supply status through the 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, blinking
(LED on for 1 second
every 2 seconds)
Battery within critical low state: 3
minutes remaining. The system is
protected and cannot be re-powered on
without the AC power connected.
Amber color off
Battery not in low or critical low state;
It’s in discharging state
Satellite P770/P775 Series Maintenance Manual
10
Summary of Contents for Satellite P770
Page 12: ...Satellite P770 P775 Series Maintenance Manual CONFIDENTIAL xii Installing the Antennas 53 ...
Page 18: ......
Page 35: ...Chapter 2 Troubleshooting Procedures ...
Page 36: ......
Page 104: ...Chapter 3 Tests and Diagnostics ...
Page 117: ...3 Tests and Diagnostics Satellite P770 P775 Series Maintenance Manual 13 ...
Page 121: ...3 Tests and Diagnostics Memory Info Test Satellite P770 P775 Series Maintenance Manual 17 ...
Page 142: ...3 Tests and Diagnostics Satellite P770 P775 Series Maintenance Manual 38 ...
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Page 263: ...Figure TI keyboard 4 Korean KO Keyboard Figure KO keyboard 5 United Kingdom UK Keyboard ...
Page 264: ...Figure UK keyboard 6 US International UI Keyboard Figure UI keyboard 7 Hebrew HB Keyboard ...
Page 265: ...Figure HB keyboard 8 Danish DM Keyboard Figure DM keyboard 9 Swiss SW Keyboard ...
Page 266: ...Figure SW keyboard 10 Arabic ARE Keyboard Figure ARE keyboard 11 Czech CZ Keyboard ...
Page 267: ...Figure CZ keyboard 12 Russian RU Keyboard Figure RU keyboard 13 Portuguese PO Keyboard ...
Page 268: ...Figure PO keyboard 14 Slovakian SL Keyboard Figure SL keyboard 15 Italian IT Keyboard ...
Page 269: ...Figure IT keyboard 16 French FR Keyboard Figure FR keyboard 17 German GR Keyboard ...
Page 270: ...Figure GR keyboard 18 Greek GK Keyboard Figure GK keyboard 19 Hungarian HG Keyboard ...
Page 271: ...Figure HG keyboard 20 Spanish SP Keyboard Figure SP keyboard 21 Turkish TR Keyboard ...
Page 272: ...Figure TR keyboard 22 Turkish F TF F Keyboard Figure TF F keyboard 23 Swedish SD Keyboard ...
Page 273: ...Figure SD keyboard 24 Belgian BE Keyboard Figure BE keyboard 25 Yugoslavian YU Keyboard ...
Page 274: ...Figure YU keyboard 26 Norwegian NW Keyboard Figure NW keyboard 27 Scandinavian ND Keyboard ...
Page 276: ...Figure CB keyboard 30 Romania RO Keyboard Figure RO keyboard 31 Bulgaria BU Keyboard ...
Page 277: ...Figure BU keyboard 32 Japanese JP Keyboard Figure JP keyboard 32 Latin American LA Keyboard ...
Page 278: ...Figure LA keyboard ...