Kenwood Battery Charger Ksc 25 Users Manual 25(K)

Kenwood Battery Charger KSC-24 service_manual_-_rapid_charger_-_kenwood_ksc-25

ksc-25 to the manual a708f969-83d5-4d27-8da2-27c08ce25c76

2015-01-23

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RAPID CHARGER

KSC-25
SERVICE MANUAL
© 2002-2 PRINTED IN JAPAN
B51-8626-00 (N) 1509

This KSC-25 service manual is the revised edition of the
KSC-25 information in the TK-2140 (B51-8602-00) and TK3140 (B51-8603-00) service manual.
Relay terminal
(E23-1190-08) x 5

AC adapter (120V AC 60Hz)
(W08-0942-05)

Cabinet (Upper)
(A02-3655-08)

Badge
(B43-1141-08)

PARTS LIST
✽ New Parts.
Ref. No.

Address New parts

Parts No.

Description

A02-3655-08
A02-3656-08

Cabinet
Cabinet

B43-1141-08
B62-1607-00

Badge
Instruction manual

E03-0200-08
E23-1190-08

DC jack
Relay terminal

G13-1547-08

Cushion

N80-2610-45

Screw

W02-3641-08
W08-0942-05

Charger unit
AC adapter 120VAC 60Hz

Destination

Upper
Bottom

K

KSC-25
CHARGER FLOW CHART
Power on (LED : off)
No output power initialization
Yes
Are
output terminals
shorted?

Yes

Abnormal
reset?

Red LED flash

No

No
P.S.

Vt : 4.7 → 3.2~3.5V

Does T contact?

No

Yes
LED color : Red

P.S.

Output release power

Power release after LED
on 1sec, only pre-charge
CV 8.4V 1 time for 1.5 second

Does S contact?
Ni-MH, Ni-Cd Vs : 1.2V → 0V
Li-ion Vs : 1.2V → 3.2~3.5V

No

P.S.
Yes

–5°C+2°C,–1°C ≤ T
≤ 47°C+2°C,–1°C

No
LED color : Red flash

Yes
Power release
Is the
battery abnormal?
(Shorted)

Yes

No
Is the
each terminal to short
another terminal

Yes

No
No touch
effect in each terminal

Yes

No
No

Vmin ≤ 4.8V±0.1V

Yes Trickle charging
120~160mA

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

Yes

V terminal ≥ 8.85V

Yes

Timer ≥ 512sec

Yes

T ≥ 55°C±4°C

Timer ≥ 180min
+18min, –10min

Yes

∆V ≤ 0

Yes

No

Yes

Yes

Yes

Timer ≥ 256sec

Timer ≥ 180min
+18min, –10min

Yes

Yes

No

No

Total ≥ 10H timer

Vs ≥ 3.29V±0.1V
(V = 7.9V)
No

Yes

No
–96mV ≤ –∆V ≤ –72mV

Yes

No
T ≥ 55°C±4°C

Timer ≥ 128sec

No

Yes
No

No

Charging current off
(I = 0mA)

Timer ≥ 120min
+12min, –10min
Yes

Trickle 30~90mA
Charge (LED color : Green)
No

Total timer ≥ 10H
Yes
Cut-off
LED color : Green

2

Charging current
≤ 100±20mA
Yes

Yes

No
No

No

No

No

No
After 30min
from starting fast charging
∆V/12min ≥
282mV/12min

Trickle charging
120~160mA

No

No
When battery
voltage is 8.9V+0.1V, –0V or
more, ∆V ≤ 0

Yes

Vmin ≤ 4.8V±0.1V

No
Fast charge
(LED color : Red) 1200mA±5%
Ni-Cd, Ni-MH : Constant current charging
Not sensing for 4min

Vmax ≥ 10.8V±0.1V

Yes

Is Li-ion?

LED color : Green

Red flash
I = 0mA

Yes

KSC-25
PC BOARD VIEWS
CHARGER UNIT (W02-3641-08) Component side view

C26
C8

C7
R19

+

+

JK1
DC JACK

S
T

P1

–

D6

M4

M5

Q2
B C E
JK2
D2
D3

L1

R14
R47

C24

J05
R11

B13

M6

+

JK8
JK9
R24
R43

16

R42
B17
U5

5 4
8 1

B9
B19
R16

B7

R13

C11
C27
R46

R39

U6

Q4

R49

B10
C3

R36

B6 R37

R18

C9
C25
R25

C20
D1

JK3
JK4

Y1

R23
1

J06
J07

C10
R22

B3

R38 C15
B20
R35
C13
B21

J11
J10

R21

B15

J15
J16

B1

R40

C12

C34

R9

B14

C35

R33

R48

JK6

M3

C4
C5

JK11
U3

1 14

R28

R10

R41

J13

C6
R17

Q3

J03

B2

C32

J14

C17

J04

C28

C29

C23

C31

JK5

D5

C18

D4

R44

JK12
R27

9

R7

R34

C19

+
+

C1

JK10

8

J01

C14
C2

U1

+

R29

LED1
RG

R20

B4
B8
R2
R1

R3
R26
C33

R45

R5
C21
C22
R6
R4

C30

JK7
U2

B16

J12

J08
J09

B22

U4

R30

R31
R32

Q1

1
16

7 8

R8

C36

J17
C38

B18
B12
C37
J02

B11
R12

8
9

C16

R15

JK1

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

3

C29 102P

C30

C1

+

C20 102P

R4 6.8K

Vcc

R10
47K

R9
47K

U1

Q1

Vcc

C22

102P

470 25V

(G)

LED1

+

R1 4.7K

R5 10K

102P

D1

470 10V

(R)

2

1

9

10

14

B10

15

U5A
8 + 3
–
4
2

B9

B8

DC
JACK

C2

R6 10K

D6

C23 102P

U6

P1

C21 102P

C33
471P

/FULL
TSB

CTRL

BATB

BTYPE

/ICHG

SCTRL

ICTRL2

ICTRL1

/CVB

/CHB

R3
470
U2

R2 4.7K
/FAST

VSS

XI

XO/R

VDD

B6

B7

7

5

8

4

3

6

Vcc

Vcc

11

12

16

13

R30

C3 104P

Y1
6MHZ

B22
R21
47K
J08
0

47K

PER

12

–
4 B14

U4A
3 5 B15
+

PER

12

11

8

R12 470
Vcc

4

9 10

B21

R44 5.1K
14
U4C

+
–
8

9

U4B 6
–
1
+
J12 0
7

R31 300K

2

B11

200

R11

Q2

L1
330µ

5

13

J02
0

15

J15 0

J16 0

J14 0

3

U3

C36
471P

Vcc

R24
8.87K

1

14

16

2

C6
103P

R15 0.1

U5B 6
B19 7
–
+
5
J13 0

+

R34
100K

7

C12
101P

R23 20K

6

R32
100K

C24 102P

D3
C31 102P

C35
471P

D2
C38
471P
R22 39K

R14
100K
C37
471P
C10 102P

R17 10K
C13 104P

J06 0

R13
3K
C14
4.7 16V

B12
R35 20K

1
2

C4 20P

R7
200

J09 0
B16

B17

B18

Vcc

B13

J07 0

Q3

120

R49

C32
Q4

+

Vcc

D5

D4

C17

R45 10K

101P

C15
104P
U4D
11 J11 0
+
13
–
B20
10 J10 0

R26
C19
104P

C5
20P

R8
200

C34
471P

R37 1K

R19 470
C9 103P
R25 10K

R16
3K
2.7K

R36
200K

R28

R18
100K
R27 10K
C16
104P

R33
11K

R29 1.5K

C7
C25
102P
R38
100K

220 16V
C11
104P

10K
R43 10K

C18
101P

C8 104P
Vcc

R40
100K

R39 1K

C28
102P
R42
7.15K
R46
4.3K
R48
47K

C26 102P
C29
102P
R41 7.15K
R47
15K

4

JK1
B1

B3

B4

B2

LED1 : M059AGW-A-K

D1
: RLS4148N
D2~5 : SB140
D6
: SB240

: 2SA2712
: 2SA1757 or 2SA1469
: PK7002
: PJ431
: AMC-04
: TL494 or UPC494C
: LM339 or BA10339F
: BA10393
: T600D

– : Ground terminal

5

Q1,3
Q2
Q4
U1
U2
U3
U4
U5
U6

S : Terminal for distinction of battery
T : Terminal for detection temperature

3
4

+ : Ni-MH, Li-ion
+ : Ni-Cd

1
2

KSC-25
SCHEMATIC DIAGRAM

R20 22K

KSC-25
BATTERY PACK
KNB-24L (Li-ion Battery Pack : 1400mAh)

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

■ External View

■ External View

■ Schematic Diagram

■ Schematic Diagram

DISCHARGING TERMINALS

DISCHARGING TERMINALS
S

S
220k

1.8M

S

T

CHARGING TERMINALS
S

T

CHARGING TERMINALS

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

■ Schematic Diagram
DISCHARGING TERMINALS
S
560k

S

T

CHARGING TERMINALS

5

KSC-25

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



Source Exif Data:
File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.3
Linearized                      : Yes
Encryption                      : Standard V1.2 (40-bit)
User Access                     : Print, Copy, Annotate, Fill forms, Extract, Assemble, Print high-res
Create Date                     : 2002:01:23 20:34:07Z
Keywords                        : B51-8626-00
Subject                         : Service Manual
Modify Date                     : 2002:01:24 19:32:23+09:00
Page Count                      : 6
Page Mode                       : UseOutlines
Creation Date                   : 2002:01:23 20:34:07Z
Producer                        : Acrobat Distiller 4.05 for Macintosh
Author                          : KENWOOD
Mod Date                        : 2002:01:24 19:32:23+09:00
Description                     : Service Manual
Title                           : KSC-25(K)
Creator                         : KENWOOD
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