Chapter 13 635
Display/Power Supply Section
LCD Display
LCD Display
The display section of 8564EC and 8565EC instruments contain the
A17 display driver, the A17A1 inverter board, the A18 LCD (liquid
crystal display), and the A6 power supply. The A6 power supply is
explained in the power supply section which begins on page 590. Figure
13-1 on page 636 illustrates the LCD block diagram.
Troubleshooting the LCD Display..................................... page 637
Blank Display ..................................................................... page 637
Dim Display......................................................................... page 639
Troubleshooting using the VGA port ................................ page 639
Troubleshooting using part substitution .......................... page 639