Kenwood ksc-25 User manual

B51-8626-00

(

N

)

1509

RAPID CHARGER

KSC-25

SERVICE MANUAL

Cabinet (Upper)

(A02-3655-08)

AC adapter (120V AC 60Hz)

(W08-0942-05)

Relay terminal

(E23-1190-08) x 5

Badge

(B43-1141-08)

PARTS LIST

✽ New Parts.

Ref. No. Address

New parts

Parts No. Description

Destination

A02-3655-08 Cabinet Upper

A02-3656-08 Cabinet Bottom

B43-1141-08 Badge

B62-1607-00 Instruction manual

E03-0200-08 DC jack

E23-1190-08 Relay terminal

G13-1547-08 Cushion

N80-2610-45 Screw

W02-3641-08 Charger unit

W08-0942-05 AC adapter 120VAC 60Hz K

This KSC-25 service manual is the revised edition of the

KSC-25 information in the TK-2140 (B51-8602-00) and TK-

3140 (B51-8603-00) service manual.

2

Power on (LED : off)

No output power initialization

Are

output terminals

shorted?

Output release power

Vt : 4.7 → 3.2~3.5V

Power release

Yes

P. S .

Yes

Does T contact?

No

Does S contact?

Power release after LED

on 1sec, only pre-charge

CV 8.4V 1 time for 1.5 second

Ni-MH, Ni-Cd Vs : 1.2V → 0V

Li-ion Vs : 1.2V → 3.2~3.5V

No

–5°C+2°C,–1°C ≤ T

≤ 47°C+2°C,–1°C

Is the

battery abnormal?

(Shorted)

Is the

each terminal to short

another terminal

No touch

effect in each terminal

No

Yes

Is Li-ion?

YesNo

Fast charge

(LED color : Red) 1200mA±5%

Ni-Cd, Ni-MH : Constant current charging

Not sensing for 4min

Vmin ≤ 4.8V±0.1V

Vmax ≥ 10.8V±0.1V

Timer ≥ 512sec

Timer ≥ 256sec

–96mV ≤ –∆V ≤ –72mV

T ≥ 55°C±4°C

Timer ≥ 120min

+12min, –10min

When battery

voltage is 8.9V+0.1V, –0V or

more, ∆V ≤ 0

∆V ≤ 0

After 30min

from starting fast charging

∆V/12min ≥

282mV/12min

Timer ≥ 128sec

Trickle charging

120~160mA

Yes

Yes Yes

Yes

No

Yes

No

Yes

No

No No

No

Fast charge (LED color : Red)

Li-ion : Constant current & constant voltage charging

CC mode : 945mA±5%, CV mode : 8.4V+0%, –2%

Not sensing for 4min

Vmin ≤ 4.8V±0.1V

Trickle charging

120~160mA

No

V terminal ≥ 8.85V

No

T ≥ 55°C±4°C

No

Timer ≥ 180min

+18min, –10min

Timer ≥ 180min

+18min, –10min

Vs ≥ 3.29V±0.1V

(V = 7.9V)

Red flash

I = 0mA

No

Total ≥ 10H timer

Yes

Charging current

≤ 100±20mA

Charging current off

(I = 0mA)

Yes

LED color : Red flash

LED color : Red

Red LED flash

Abnormal

reset?

Yes

No

Total timer ≥ 10H

Yes

No

LED color : Green

Trickle 30~90mA

Charge (LED color : Green)

Cut-off

LED color : Green

CHARGER FLOW CHART

KSC-25

3

R

G

JK1

DC JACK

P1

D6

M5M6

C26

C8

D5

C16

JK7

JK10

R15

R20

D4

JK1

C7

+

++ST–

Q2

BCE

JK2

D2

D3

L1

R19

JK3

JK6

R48

C19

JK5

JK4

R14

R47

JK8

JK9

R24

R43

C14

C2

C18

R44

Y1

C4

C5

R23

U2

1

8

9

16

U1

C1

JK12

JK11

R27

R29

LED1

U3

1

16

8

9

M4

M3

J05

R11

B4

R1

C20

R17

C6

B13

R12

B12

J02

J17

B11

C36

C38

C33

C37

B22

R8

Q1

R4

R6

J01

C30

C21

C22

R7

R30

R5

R34

U4

1

7

8

14

R32

R33

R45

R31

J12

J08

J09

J13

J10

J11

B16

C31

R26

Q3

D1

R3

R2

B8

B18

C11

C27

R46

R37

R36

R38

R42

B17

C24

B7

B6

B9

B19

U5

1

45

8

B20

B21

R35

C13

R39

R16

R13

R18

R25

C9

C25

R21

U6

B10

C3

R49

J06

J07

C10

R22

Q4

J03

R28

C35

C34

C29

R10

R9

R41

C23

C17

J14

B14

B15

C12

J16

J15

R40

C15

C32

B3

B1

B2

C28

J04

PC BOARD VIEWS

CHARGER UNIT (W02-3641-08) Component side view

CHARGER UNIT (W02-3641-08) Foil side view

KSC-25

R24

8.87K

R23 20K

Vcc

B13

D6

P1

JK1

DC

JACK

1

2

LED1

(G) (R)

1

2

3

4

5

11

8

97

564

10 13

15

12

1315

14

16

12

3

12

11

71

2

6

3

4

10

9

8

5

B11

B12

C38

471P

C37

471P

B22

B16

R30

R32

100K

R33

11K

C31 102P

C14

4.7 16V

R34

100K

R36

200K

R38

100K

R35 20K

R37 1K

R41 7.15K

R20 22K

R42

7.15K

C18

101P

C19

104P

C16

104P

R47

15K

R46

4.3K

R48

47K

C35

471P

C34

471P

R8

200

R7

200

J09 0

R26

R28

10K

Q2

R11

R12 470

R22 39K

R21

47K

R25 10K

R27 10K

R29 1.5K

2.7K

C10 102P

C13 104P

C24 102P

C3 104P

R5 10K

R6 10K

470 10V

470 25V

C2

C1

C22

Y1

6MHZ

C5

20P

U6

C30

102P

C20 102P

C21 102P

C29 102P

102P

C33

471P

C4 20P

C23 102P

B8

D1

R3

470

B9

R2 4.7K

R13

3K

R16

3K

R14

100K

R18

100K

R17 10K

R19 470

J06 0

J02

0

J07 0

D4

B1

B3

B2

B4

D5

C32

C26 102P

C8 104P

C7

220 16V

D2

D3

200

R15 0.1

C6

103P

C9 103P

C25

102P

C29

102P

C28

102P

C11

104P

L1

330µ

2

13

16

14

C36

471P

R49

120

U3

Q4

/CHBVDD

XO/R

XI

VSS

U2

/CVB

ICTRL1

ICTRL2

SCTRL

PER

B15

C12

101P

B14

B20

B18

C17 101P

B17

B19

B21

J12 0

R44 5.1K

J13 0

J14 0

J16 0

J15 0

R31 300K

2

J08

0

Vcc

/ICHG

BTYPE

BATB

/FAST

/FULL

CTRL

TSB

5

4

+

–

U4A

+

13

6

7

1

5

11

10

Q3

+

–

+

–

Vcc

U4D

J11 0

C15

104P

J10 0

R43 10K

R45 10K

R39 1K

R40

100K

+

U5B

U4B

U4C

6

7

9

8

14

B10

R1 4.7K

B7

B6

+

U1

R4 6.8K

R9

47K

R10

47K

Q1

3

2

4

8

+

–

U5A

Vcc

+ : Ni-MH, Li-ion

+ : Ni-Cd

T : Terminal for detection temperature

S : Terminal for distinction of battery

– : Ground terminal

Q1,3 : 2SA2712

Q2 : 2SA1757 or 2SA1469

Q4 : PK7002

U1 : PJ431

U2 : AMC-04

U3 : TL494 or UPC494C

U4 : LM339 or BA10339F

U5 : BA10393

U6 : T600D

D1 : RLS4148N

D2~5 : SB140

D6 : SB240

LED1 : M059AGW-A-K

SCHEMATIC DIAGRAM

4

KSC-25

BATTERY PACK

KNB-24L (Li-ion Battery Pack : 1400mAh)

■ External View

KNB-25A (Ni-Cd Battery Pack : 1200mAh)

■ External View

KNB-26N (Ni-MH Battery Pack : 2000mAh)

■ External View

5

S

T

S

1.8M

DISCHARGING TERMINALS

CHARGING TERMINALS

S

T

560k

DISCHARGING TERMINALS

CHARGING TERMINALS

S

T

220k

DISCHARGING TERMINALS

CHARGING TERMINALS

■ Schematic Diagram

KENWOOD CORPORATION

14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo 150-8501, Japan

KENWOOD SERVICE CORPORATION

P.O. BOX 22745, 2201 East Dominguez Street, Long Beach, CA 90801-5745, U.S.A.

KENWOOD ELECTRONICS CANADA INC.

6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8

KENWOOD ELECTRONICS DEUTSCHLAND GMBH

Rembrücker Str. 15, 63150 Heusenstamm, Germany

KENWOOD ELECTRONICS BELGIUM N.V.

Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium

KENWOOD ELECTRONICS FRANCE S.A.

13, Boulevard Ney, 75018 Paris, France

KENWOOD ELECTRONICS U.K. LIMITED

KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB United Kingdom

KENWOOD ELECTRONICS EUROPE B.V.

Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands

KENWOOD ELECTRONICS ITALIA S.p.A.

Via G. Sirtori, 7/9 20129 Milano, Italy

KENWOOD IBERICA S.A.

Bolivia, 239-08020 Barcelona, Spain

KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.

(A.C.N. 001 499 074)

16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia

KENWOOD ELECTRONICS (HONG KONG) LTD.

Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong

KENWOOD ELECTRONICS TECHNOLOGIES(S) PTE LTD.

Sales Marketing Division

1 Ang Mo Kio Street 63, Singapore 569110

KSC-25

Kenwood ksc-25 User manual

Kenwood ksc-25 User manual

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