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Charging Flow Chart - Kenwood KSC-256 Service Manual

Multiple charger
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*About voltage write down
KNB-24L/35L/32N/41NC/50NC/47L/48L: S-Type
KNB-25A/26N/31A/29N/30A/45L: B-Type
S-Type is Sterminal voltage
B-Type=(+P1 or +P2 voltage)–Vf
Error Battery
Timer STOP
LED: Red Flash
KNB-25A/26N/31A/32N/32N/41NC/50NC/29N/30A
Temperature Check
-2°C T 43°C
Yes
-2°C T 43°C
Voltage Check
V 11.4V
Yes
Voltage Check
4.8V V
Abobe 4.8V within
30min Timer stop
Yes
Temperature Check
6°C T
Yes
Passage 20min
Rapid Charge:
KNB-25A/KNB-26N/31A/32N/41NC/50NC: 1000mA
KNB-29N/30A: 850mA
-ΔV detect
T 40°C 9.0V~10.8V
T 40°C 7.8V~10.8V
dT/dt detect: 1°C/1min
KNB-25A: 120min Timer start
KNB-26N/31A/32N/41NC/50NC/29N/30A: 180min Timer start
LED: RED
Temperature Check
-2°C T 60°C
Yes
Detected:
- Δ V or dT/dt
or Above 10.8V
or Passage timer
Detected Full Charge
KNB-25A: 120min Timer STOP
KNB-26N/31A/32N/41NC/50NC/29N/30A: 180min Timer STOP
LED: Green
KNB-26N31A/32N/41NC/50NC/29N/30A
Trickle Charge: Ave 6mA Pulse
10 hour Timer START
LED: Green

CHARGING FLOW CHART

Does T terminal contact?
Give all B+ terminal power 16V 60mA
Timer 5min START
No
Yes
Yes
Timer 5min
Distinguish Battery
Above
Stand-by Temperature
No
LED: RED
Timer 30min START
Passage 30min
Timer Error Battery
LED: Green & Orange Flash
No
Passage
Low Voltage Charge
300mA
LED: RED
Timer 30min START
No
Low Temperature Charge
No
300mA
LED: RED
Timer 20min START
Below 4.8V
Below 7.8V
When Rapid Charge start
passage 10min
Yes
-2°C T 45°C
Stand-by Temperature
LED: RED
No
Timer HOLD
No
60°C T
No
Yes
Yes
No
8.5V V
B
KNB-25A
Trickle Charge: 60mA
10 hour Timer START
LED: Green
Finish Charge
10 hour Timer STOP
LED: Green
Below 7.3V
KSC-256/316/326/356
START
+P1 or +P2 4.0V
No
Above
Stand-by Temperature
11.4V
8.55V
LED: RED
Timer 30min START
Passage 30min
Timer Error Battery
LED: Green & Orange Flash
Passage
Low Voltage Charge
30min
30min
140mA
LED: RED
Timer 90min START
Below 7.5V
When Rapid Charge start
Error Battery
passage 10min
Timer STOP
LED: RED Flash
No
Stand-by Temperature
LED: RED
Timer Continue
Yes
Temperature
waitting times 2
Above 11.4V
Above 11.4V
KNB-24L/35L/33L/47L/48L/45L
No
Temperature Check
-2°C T 43°C
Yes
-2°C T 43°C
No
Voltage Check
V 8.55V
Yes
No
Voltage Check
5.8V V
Abobe 5.8V within
90min Timer stop
Yes
Below 5.8V
Rapid Charge:
Above 8.55V
KNB-24/35L/45L: 945mA
KNB-33L/47L/48L: 1420mA
Timer 210min START
LED:RED
No
Temperature Check
-2°C T 57°C
Yes
Stand-by Temperature
LED: RED
Timer HOLD
No
Yes
-2°C T 45°C
Yes
Timer 210min
No
I = 0
Charging current
100mA
No
7.9V V
B
Yes
Yes
I = 0
Detected Full Charge
210min Timer stop
LED: Green
Above 8.55V
Below 7.3V
No
7

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This manual is also suitable for:

Ksc-356Ksc-326Ksc-316