Compaq 420C 486 DX4/75 MHZ 420 MB 8 MB 10.4 Personal Computer User Manual


 
Replacing the Display Inverter Board
To replace the inverter board, follow these steps:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> WARNING <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Ensure that the power cord is disconnected from the electrical outlet and
that the battery pack is removed from the computer before beginning
replacement procedures. Failure to disconnect power could result in
serious injury or damage to the equipment.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CAUTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
These steps must be followed whenever replacing any component in the
display assembly because of high susceptibility to electrostatic
discharge, which will damage the LCD panel.
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> CAUTION <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
When servicing the computer, ensure that cables are placed in their proper
location to avoid pinching during the reassembly process. Improper cable
placement can cause severe damage to the unit.