Service manual

Information and Communication Products
Confidential 18 ICM D CC ST
J. Junggebauer
Version 2.1 05/01 6.7.2 Comfort handset
Headset Interface
VBAT (3.6V max)
On/ off-key
Antenna
E
2
PROM 4K
ESD
Filter
3.5V
LM 4871
VDCDC
4.0V
IAkku
Ke
yp
ad
Handsfree-LED
L
C
D-M
odu
l
e
Display illumination
Inverting
Switch
MWI
-LED
RF-part
SC 14406
Battery
2.5V
3..5V
Adjustment
Network
VDD 2.5V
V
DCDC
Charger
switch
6K RAM
Power-
Control
384K ROM
Microprocessor
BMC
DSP +Handsfree
Analogue
Front
-
End
Temp.
Sensor
4.0V