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DSB45 Development Support Box
Confidential / Released
2.2
Block diagram
Test points
(40 pole)
X153
4
3
PD
33
BATT+
CHARGE_LED
To GSM
BATT+
engine
5
35
Board to
board
CTS1_
5
50 pole
POWER-
5
OFF
CCVCC
2V9
X504
CCIN
X507
SIM
X141
EMERG-/
5
SIM holder
POWER-
OFF
X503
X131
Test
points
X604
9V
Power
+
supply
EMC
-
X605
X505
RF
(Hirose)
X506
RF
(SMA)
POWER
CHARGE
Battery
BATT+
-
V604
BATT_TEMP
DSB45_HD_V05
18 LEDs
Connector for external application
(40 pole)
V301-317,V415
LED-driver
D301,302, V617
20
VL
15
external
Application switches
2V9
internal
IGT
EMERG-
OFF
X101-120
X132
V403
3V3
3V3
Regulator
V401
N602
+5V
+5V
Regulator
N501
Power
remote
control
minV
D701,702
nomV
X609-614
Vadjust
adjustable
regulator
15mF
N601
C613-615
ACCU+
3V3
X133
POWER
Charger
circuit
S601
CHARGE-LED
Figure 2: Block diagram
Page 10 of 50
X152
2
20
DAI-interface
5
RING0,
2
DSR0
PD
2
X121,122
2
ASC0
6
DTR0_OUT
VL
EMERGOFF
V201
IGT
IGT
ASC1
4
Remote
3
VDDLP
RTC supply
C101
100µF
BATT+
MICx2,EPx2
6V6
4
X127-130
MICx1 EPx1
4
X123-126
s
PD
10 pole
test points
7
D204
VL
D201,203
V.24
9 pole
RS232
8
D-Sub
EMC
VL
D202
V.24
EMC
RS232
4
9 pole
D-Sub
3
6V6
2
EMC
1
EMC
4
+5V
Feeding
bridge
R501,504
4 pole
Western
EMC
jack
4
2x100n
C519,520
01.02.2008
DAI
interface
COM 1
COM 2
Charger
Audio
interface 2
Audio
interface 1
(Handset)
Casing
ground
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