Icom BC-119N Service Manual page 6

2-4 CHARGING CURRENT AND VOLTAGE CHART
12 15 16
AD-101 SW BIT1
Low High Low
Low Low High
Low High High
High High Low
High Low High
High High High
High High High
High High Low
High High High
High High Low
High High Low
High High High
High Low Low
High High Low
High Low High
High High High
High High Low
High Low High
High High High
High High Low
High Low High
High High High
High High High
2-5 CPU PORT ALLOCATIONS (IC2)
Pin Port
number name
Outputs DC-DC convertor control sig-
2 PWM
nal. The signal is applied to the Q8 as
"PWM" signal.
5 CURRENT
Input port for current detector A/D sig-
nal.
12 AD-101
Input port for adapter select signal.
15 SW
16 BIT1
Input ports for adapter selct signals.
17 BIT2
18 BIT3
19 RESET
Input port for the reset signal.
26 BIT4
27 BC-79
Input ports for adapter select signals.
28 BC-119
IC2 pin number
17 18 26
BIT2 BIT3 BIT4
Low High Low
High High Low
High High Low
Low High Low
High High Low
High Low Low
Low High Low
High High Low
Low High High
High High High
Low Low High
Low Low High
High Low High
High Low High
High Low High
High Low High
Low High High
Low High High
Low High High
High High High
High High High
High High High
High High High
Description
Rapid charging
current
27 28
BC-79 BC-119 (mA)
840
High Low
High Low 840
High Low 840
840
High Low
High Low 840
Low High 840
670
Low High
Low High 420
Low High 540
420
Low High
High High 670
High High 670
840
High High
High High 420
High High 670
High High 840
High High 540
High High 420
High High 840
High High 840
670
High High
High High 540
Low High
2 - 2
Low- Max.
battery voltage
(V) (V)
6.1 8.4
3.0 11.5
6.1 8.4
3.1 4.2
6.1 8.4
1.6 11.5
1.6 11.5
1.6 11.5
4.0 19.0
4.0 19.0
4.0 15.2
2.5 11.5
1.5 5.7
1.4 5.7
3.0 11.5
3.0 11.5
1.6 19.0
3.5 13.4
3.0 11.5
3.0 11.5
3.0 11.5
5.0 19.0
Do not operate.