Kenwood KSC-256 Service Manual Download Page 7

KSC-256/316/326/356

7

CHARGING FLOW CHART

Temperature Check

-2°C

T

43°C

Stand-by Temperature

LED: RED

Timer 30min START

Temperature Check

6°C

T

Temperature Check

-2°C

T

60°C

Voltage Check

V

11.4V

Voltage Check

4.8V

V

-2°C

T

43°C

Passage 30min

Timer Error Battery

LED: Green & Orange Flash

Above

11.4V

Low Voltage Charge

300mA     LED: RED

Timer 30min START

Low Temperature Charge

300mA     LED: RED

Timer 20min START

Passage

30min

Passage 20min

No

No

No

No

No

No

No

Yes

Yes

Yes

Yes

Yes

Yes

Abobe 4.8V within

30min Timer stop

Temperature Check

-2°C

T

43°C

Stand-by Temperature

LED: RED

Timer 30min START

Voltage Check

V

8.55V

Voltage Check

5.8V

V

-2°C

T

43°C

Passage 30min

Timer Error Battery

LED: Green & Orange Flash

Above

8.55V

Low Voltage Charge

140mA     LED: RED

Timer 90min START

Passage

30min

No

No

No

No

No

No

No

No

No

No

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Temperature Check

-2°C

T

57°C

Charging current

’

100mA

Yes

Yes

No

No

Yes

Yes

Yes

Abobe 5.8V within

90min Timer stop

Rapid Charge:

KNB-25A/KNB-26N/31A/32N/41NC/50NC: 1000mA

KNB-29N/30A: 850mA

-

Δ

V 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

Rapid Charge:

KNB-24/35L/45L: 945mA

KNB-33L/47L/48L: 1420mA

Timer 210min START

LED:RED

Below 5.8V

Above 8.55V

Below 7.5V

When Rapid Charge start

passage 10min

Error Battery

Timer STOP

LED: RED Flash

Below 4.8V

Below 7.8V

When Rapid Charge start

passage 10min

Stand-by Temperature

LED: RED

Timer HOLD

Stand-by Temperature

LED: RED

Timer Continue

Stand-by Temperature

LED: RED

Timer HOLD

I = 0

-2°C

’

T

’

45°C

7.9V

’

V

B

Timer

210min

-2°C

’

T

’

45°C

60°C

T

Temperature

waitting times

“

2

8.5V

V

B

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

I = 0

Detected Full Charge

210min Timer stop

LED: Green

Above 8.55V

Below 7.3V

Below 7.3V

KNB-25A

Trickle Charge: 60mA

10 hour Timer START

LED: Green

Finish Charge

10 hour Timer STOP

LED: Green

Above 11.4V

Above 11.4V

Distinguish Battery

KNB-24L/35L/33L/47L/48L/45L

KNB-25A/26N/31A/32N/32N/41NC/50NC/29N/30A

+P1 or +P2

4.0V

Give all B+ terminal power 16V 60mA

Timer 5min START

Does T terminal contact?

START

Error Battery

Timer STOP

LED: Red Flash

Timer

5min

*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

Summary of Contents for KSC-256

Page 1: ...08 Power switch S66 0407 08 Charging slot A02 4059 08 KSC 256 A02 4060 08 KSC 326 A02 4061 08 KSC 316 A02 4062 08 KSC 356 Foot J02 1303 08 x 4 Badge B43 1628 08 AC cord E30 7668 08 K AC cord E30 7669 08 X AC cord E30 7670 08 E AC cord E30 7671 08 T Note The battery slots are molded for different model types The illustration shows the KSC 256 The K type for KSC 356 and KSC 316 are not available The...

Page 2: ... of Kenwood Disclaimer While every precaution has been taken in the preparation of this manual Kenwood assumes no responsibility for er rors or omissions Neither is any liability assumed for dam ages resulting from the use of the information contained herein Kenwood reserves the right to make changes to any products herein at any time for improvement purposes CONTENTS DISASSEMBLY FOR REPAIR 3 TROU...

Page 3: ...th where the power switch hole is located w e When pulling on the case without raising it it will catch where the power switch hole is located Mounting position of KMB 30 Mounting position of KMB 30 Removing the Charging Slots 1 Remove the 11 screws q from the aluminum plate and the 2 screws w from the charging slots to remove the aluminum plate and insulating sheet 2 Remove the 12 screws e holdin...

Page 4: ...stalling the Shading Tube 1 After installing the charging slots onto the printed circuit board verify that the shading tubes cover the heads of the LEDs Installing the LEDs 1 Install the LEDs onto the printed circuit board in the man ner shown in Exploded view Installing the Charging Slot 1 When installing the charging slot to the PCB tighten the screw in the direction indicated right edge B B DIS...

Page 5: ... the T terminal Replace the terminal of 1 or 2 The LED does not light up or red blinks Yes Yes Yes No Malfunction the PCB Yes Yes No Replace the terminal of T No Is voltage output to the S terminal Refer to table 1 Replace the terminal of S No Only KSC 256 or KSC 326 Battery type S terminal voltage V KNB 25A KNB 26N KNB 24L 35L KNB 31A KNB 32N 41NC 50NC KNB 33L 47 48L KNB 29N 30A KNB 45L 0 0 Batte...

Page 6: ...316 326 356 6 PK6 PK6 T PK6 S PK6 2 PK6 1 PK4 PK4 T PK4 S PK4 2 PK4 1 PK5 PK5 T PK5 S PK5 2 PK5 1 PK3 PK3 T PK3 S PK3 2 PK3 1 PK2 PK2 T PK2 S PK2 2 PK2 1 PK1 PK1 T GND 16V 16V PK1 S PK1 2 PK1 1 TROUBLE SHOOTING ...

Page 7: ...0min Timer start LED RED Rapid Charge KNB 24 35L 45L 945mA KNB 33L 47L 48L 1420mA Timer 210min START LED RED Below 5 8V Above 8 55V Below 7 5V When Rapid Charge start passage 10min Error Battery Timer STOP LED RED Flash Below 4 8V Below 7 8V When Rapid Charge start passage 10min Stand by Temperature LED RED Timer HOLD Stand by Temperature LED RED Timer Continue Stand by Temperature LED RED Timer H...

Page 8: ...118 00 INSTRUCTION MANUAL K X B62 2119 00 INSTRUCTION MANUAL E T 9 3A E03 0462 08 AC INLET 10 2A 2B E29 1223 08 TERMINAL CHARGING E30 7668 08 AC CORD K E30 7669 08 AC CORD X E30 7670 08 AC CORD E E30 7671 08 AC CORD T 13 2A F15 1018 08 SHADING TUBE 14 2A F53 0428 08 FUSE 16 3A 3B J02 1303 08 FOOT A 2A N09 6588 08 SCREW AC INLET B 3A 3B N09 6589 08 SCREW PCB BOTTOM C 3A 3B N09 6590 08 SCREW PCB SLO...

Page 9: ...OMMON Longest lead RED Second longest lead GREEN Shortest lead 10 KSC 256 KSC 326 5x3 KSC 316 KSC 356 3x3 6 1 4x6 2 10 10 13x3 13x3 14 5x3 701x3 702 704 703 701x3 5x3 F F C C C D D Cx2 C C Cx2 Cx2 Cx3 B Bx2 Bx2 Bx3 B Bx2 18 16 16x2 16 Note The illstration of charging slot shows the KSC 256 G G H H Dx2 Gx2 Hx2 Ax2 9 A N09 6588 08 B N09 6589 08 C N09 6590 08 D N09 6591 08 F N19 2205 08 G N19 2206 08...

Page 10: ...SC 256 316 326 356 10 OPTIONAL ACCESSORY KMB 30 BRACKET External View Parts List Ref No New parts Parts No Description KMB 30 q J29 0746 08 BRACKET w N09 6586 08 PAN HEAD SCREW e N09 6587 08 SCREW ANCHOR ...

Page 11: ...ing Time Li ion Ni Cd Ni MH Battery Pack Charging Time Battery Pack Charging Time Battery Pack Charging Time KSC 256 KNB 24L 150 minutes KNB 25A 70 minutes KNB 26N 130 minutes KNB 35L 170 minutes KSC 316 KNB 30A 120 minutes KNB 29N 180 minutes KSC 326 KNB 33L 140 minutes KNB 31A 110 minutes KNB 32N 170 minutes KNB 47L 140 minutes KNB 41NC 170 minutes KNB 48L 170 minutes KNB 50NC 140 minutes KSC 35...

Page 12: ...Watford Herts Amsterdamseweg 37 1422 AC Uithoorn The Netherlands Via G Sirtori 7 9 20129 Milano Italy Bolivia 239 08020 Barcelona Spain A C N 001 499 074 16 Giffnock Avenue Centrecourt Estate North Ryde N S W 2113 Australia Unit 3712 3724 Level 37 Tower one Metroplaza 223 Hing Fong Road 1 Ang Mo Kio Street 63 Singapore 569110 CA 90801 5745 U S A Kwai Fong N T Hong Kong WD18 9EB United Kingdom L Et...

Reviews: