Panasonic EB-X70 Service Manual

Also see for EBX70 - CELL PHONE: Operating instructions Operating instructions Technical information Service manual

TECHNICAL DESCRIPTIONPMCD030901C8 Section 4 Issue 1Service Manual – 15 – Revision 04.4.3 LCD ModulesThe handset has two displays forming a single module. The main display is positioned inside the clamshell of the handsetwhile the sub display is mounted on the outside of the top half of the handset.The Main LCD module consists of a Transmissive TFT colour display driven by a chip-on-glass driver connected to the LCD /Camera interface.The display has 132 x 176 pixels which can be used to display chinese characters in addition to different font sizes.The display driver has its own internal display RAM.Figure 4.7: Main LCD DimensionsThe Sub-LCD module is a passive Film SuperTwist Nematic (FSTN) monochrome display which is physically part of the maindisplay module but has its own chip-on-glass driver IC. This driver is connected to the CALYPSO+ microwire interlace.Figure 4.8: Sub-LCD Dimensions4.4.4 Camera ModuleThe camera module is a CMOS CIF sensor type. It is connected to the CALYPSO+ device via an interface IC and providesoutput in RGB565 format.Automatic Light Control (ALC) and Auto White Balance (AWB) is built in to the camera module.4.4.5 Interface ICThe ROHM Interface IC is used to control communication between the CALYPSO+ IC and:• Main LCD• Camera moduleIt is also used to provide PWM brightness control for the red, green or blue backlight for the sub-LCD, and PWM brightnesscontrol for the photo-light.38.016 42.20.010.206View AreaEffective Area0.010.07110691-128.51233.6All dimensions are inmillimetres (mm)132 x 176 Pixels(X70)RRGGBBRR5.6 10.50.0150.185View AreaEffective Area0.0150.18510693-119.225.6All dimensions are inmillimetres (mm)96 x 28 Pixels(X70)