Indicator-Related Symptoms; Power-Related Symptoms - Acer Extensa 500 Service Manual

LCD-Related Symptoms
Symptom / Error
Unreadable LCD screen
Missing pels in characters
Abnormal screen
Wrong color displayed
LCD has extra horizontal or
vertical lines displayed.

Indicator-Related Symptoms

Symptom / Error
Indicator incorrectly remains
off or on, but system runs
correctly

Power-Related Symptoms

Symptom / Error
Power shuts down during
operation
The system doesn't power-
on.
82
Action in Sequence
Reconnect the LCD connector
LCD inverter ID
LCD FPC Cable
LCD inverter
LCD
System board
LCD inverter ID
LCD inverter
LCD FPC Cable
LCD
System board
Action in Sequence
Reconnect the LED board
LED board
System board
Action in Sequence
Power source (battery pack and power adapter).
See "Power System Check" on page 75.
Battery pack
Power adapter
DC-DC/charger board
Audio-I/O & battery connection board
System board
Power source (battery pack and power adapter).
See "Power System Check" on page 75.
Battery pack
Power adapter
DC/DC & Charge boar
Audio-I/O & battery connection board
System board
Troubleshooting