User Guide

User interface

Display interface

Display module mechanical concept

Figure 102 General diagram of the LCD module

Display features:

• 65536 colours

• Partial display function Power saving by pausing display process on part of the screen.

• Built-in RAM capacity 176rows×208lines×16bit = 585,728 bits

The display has two different operating modes:

1 Normal mode, Full screen, 65k colours

2 Normal Partial mode, 65k colors but only part of the display is active

The module includes:

• FPWB foil including connector and discretes and driver circuits

• display panel (glass)

• drivers including display controller and 176 x 208 x 16 bits RAM

• backlight system: lightguide, LEDs and necessary optical sheets

• supporting mechanics

• metal frame (stainless steel)

• plastic frame

The interconnection between the LCD module and the Nokia engine is implemented with a 24-pin board-to-

board connector.

Display is controlled via MeSSi-8 interface by Helen3. All MeSSi-8 signals go through the EMC filtering ASIPs.

The display module does not require any tunings in service.

RM-1

System Module Nokia Customer Care

Issue 1 Company Confidential Page 9–19