Customer Care
V 1.0 Page 50of 52 ICM MP CCQ GRM
SL55
Company Confidential © Copyright Siemens AG
06/03
9 Display and Illumination
9.1 Display
The display is provided with 2,9V from the ASIC (D361). The communication with the
EGOLD+ by the LCD-Signals, directly connected to the EGOLD+
9.2 Illumination
The light is switched via switches inside the EGOLD+. With the signal LIGHT_UC
(
Miscellaneous T17) the illumination for the keyboard and the display backlight is controlled.
With LIGHT_OFF_N. (
GSM TDMA-Timer G15) the illumination can be switched “on” and “off”
during the TX timeslot.
Display Illumination placed on the MMI Board
Keypad Illumination placed on the Main Board
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