Nokia 7650 Service Manual
CCS Technical Documentation
System Module LG4 and Grip Module LS4
Issue 2 11/02
¤Nokia Corporation
Page 63
DC Jack and Battery Connector
Grip has battery connector (NMP code 5400255), DC-jack (NMP code 5400251) and
board to board connector (NMP code 5460059). Signals of the battery connector and DC
jack are described in table below. See also Table 1. Signals between LG4 and LS4. NHL-
2NA uses BLB-2 battery.
board to board connector (NMP code 5460059). Signals of the battery connector and DC
jack are described in table below. See also Table 1. Signals between LG4 and LS4. NHL-
2NA uses BLB-2 battery.
NOTE: Table below is for your convenience.
Table 10: Battery connector signals.
Table 11: DC jack signals
Electrical interface
The basic principle of connections between connectors are described below.
Figure 40: Figure 15. Electrical implementation of the connectors
Connector
Signal
To
From
Value (BLB-2)
Battery
Vbat (sense)
Current Gauge
Battery con.
3.2 V - 4.2 V
Btemp
BoBo
Battery con.
1979k
: - 4.26 k:
(- 40
qC - + 90qC)
BSI
BoBo
Battery con.
68k
:
BATGND
BoBo
Battery con.
0 V
Connector
Signal
To
From
Value
(accepted charger)
DC jack
CGND
BoBo
DC jack.
0 V
VCHAR
BoBo
DC jack.
5.0 V – 9.8 V
CGND
BoBo
DC jack.
0 V
Sense +/-
V
dd
(Btemp)
(BSI)
(CGND)
(VCHAR)
(ISD)
(IPWM)
(Vbat)
(BATGND)
B
o
B
o
C
O
N
N
E
C
T
O
R
O
N
N
E
C
T
O
R
Current
Gauge
Battery
Connector
DC jack