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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.
AC adapter (120V AC 60Hz) (W08-0942-05) Relay terminal (E23-1190-08) x 5 Cabinet (Upper) (A02-3655-08)
Badge (B43-1141-08)
PARTS LIST
New Parts. Ref. No. Address New parts Parts No. A02-3655-08 A02-3656-08 B43-1141-08 B62-1607-00 E03-0200-08 E23-1190-08 G13-1547-08 N80-2610-45 W02-3641-08 W08-0942-05 Cabinet Cabinet Description Upper Bottom Destination
Badge Instruction manual DC jack Relay terminal Cushion Screw Charger unit AC adapter 120VAC 60Hz
K
KSC-25
CHARGER FLOW CHART
Power on (LED : off) No output power initialization Yes Are output terminals shorted? No Vt : 4.7 3.2~3.5V P.S. Does T contact? Yes LED color : Red 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 P.S. Yes P.S. Output release power No No Yes Red LED flash Abnormal reset? No
Does S contact?
5°C+2°C,1°C T 47°C+2°C,1°C Yes Power release Is the battery abnormal? (Shorted) No Is the each terminal to short another terminal No No touch effect in each terminal No No Yes Trickle charging 120~160mA Is Li-ion?
No LED color : Red flash
Yes
Yes
Yes
Yes Yes
Vmin 4.8V±0.1V
Vmin 4.8V±0.1V 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
Trickle charging 120~160mA
No Fast charge (LED color : Red) 1200mA±5% Ni-Cd, Ni-MH : Constant current charging Not sensing for 4min
Timer 180min +18min, 10min Yes
No
Vmax 10.8V±0.1V No When battery voltage is 8.9V+0.1V, 0V or more, V 0 No After 30min from starting fast charging V/12min 282mV/12min No 96mV V 72mV No T 55°C±4°C No No Timer 120min +12min, 10min Yes
Yes
V terminal 8.85V No
Yes
Yes
Timer 512sec No
Yes
T 55°C±4°C No Timer 180min +18min, 10min No Total 10H timer No No Charging current 100±20mA Yes Charging current off (I = 0mA)
Yes
Yes
Yes
V 0 No
Yes
Timer 256sec No
Yes
Vs 3.29V±0.1V (V = 7.9V) No
Yes
Yes
Yes
Timer 128sec No
Yes
Red flash I = 0mA
Yes
Trickle 30~90mA Charge (LED color : Green) No
Total timer 10H Yes Cut-off LED color : Green
2
LED color : Green
KSC-25
M6 M5 C26 C8 Q2
D4
C20
JK1 DC JACK P1 D6
J05 R11
B4
J04
B1
+ + S T B C E JK2
JK1
D5
B2 C11 C27 R46
B8 R2 R1
B3
C28
C7 + M4 D2 D3 R19
C32 R42 B17
Q3
PC BOARD VIEWS
R3
D1
B18
CHARGER UNIT (W02-3641-08) Component side view
JK10
C19
JK7
C24
1 14
R26
R34
R15
C16
C14 + R44 M3
8 1
C18 Y1 C4 C5 R23
16
R41 R25 U6
B13
C2 +
U2
R7
U1
JK11 R27 + C1 R29 8 9 U3
B11
JK12
R12
J17 C38
J02
C10 R22
Q4
R28
C30
C35
Q1
R49
R8
C29
J03 LED1 RG
C33
J01
J06 J07
B12 C37 C36
R10 B10 C3
C34
R5 C21 C22 R6 R4
9
1
16
R21
R30
B22
R9
C31
C9 C25
B14
R31 R32
JK6
R47
CHARGER UNIT (W02-3641-08) Foil side view
JK9 R24 R43
R20
R14 R13
R33
JK8
7 8
U4
JK5
B9 B19 R16
C6 R17
R39 R18
J15 J16
J14
J08 J09
J12
C12
J13
B15
C17
R45
JK4
8 1
B16
R48
L1
5 4
U5
B7
R36
J11 J10
JK3
B6 R37
R38 C15 B20 R35 C13 B21
R40
C23
3
KSC-25
D2
D3
R13 3K
C32
C7
R11 B3 B2 4 5 B4 3
C6 103P
R16 3K
R19 470
C20 102P
B9
C8 104P
R2 4.7K
R14 100K
R12 470
R17 10K
B7
J06 0
J02 0
R18 100K
DC JACK 200
220 16V
C26 102P
C25 102P
C11 104P
B8
R3 470
11
C38 471P
B22
R1 4.7K 4 6 5 15
D1
C30
102P
R21 47K
R28
R22 39K
15 VDD /CHB 13
C10 102P
R26
C2
R4 6.8K /CVB ICTRL1 11 7 Vcc PER Q3 Vcc R39 1K 12 Vcc 16 R23 20K 120
R24 8.87K Q4
R5 10K
470 10V
C3 104P
C1
+
470 25V
C22
102P
C23 102P
C29 102P
C21 102P
R6 10K
C35 471P
R27 10K
U1
2.7K
+
B10
R49
10K
Q1
C24 102P
Vcc
B12
R25 10K
Vcc
ICTRL2 1 XO/R SCTRL
Y1 6MHZ
U6
J09 0
R32 100K
R30
C4 20P
47K
C5 20P
14 VSS U2 /ICHG 6
B16
J08 0 12 4 B14 +
C13 104P
R36 200K
2
U4A 3 5 B15 + R34 100K
R38 100K
2 XI C12 101P
R29 1.5K
C15 104P U4D 11 J11 0 + 13 B20 10 J10 0
C14 4.7 16V
SCHEMATIC DIAGRAM
LED1
R33 11K
R41 7.15K
R31 300K 3
C31 102P
R35 20K
R37 1K
Vcc Vcc B18
C28 102P
Vcc U3
C37 471P
B11 12 14 B13
C36 471P
16
C9 103P
U5A 8 + 3 4 2 B6 8 2 J07 0
R40 100K
C29 102P
C33 471P
R7 200
/FAST BATB CTRL TSB B21 U4C 5 8 R44 5.1K 14 9 + 8 J14 0 J16 0
C17
101P
R43 10K
R20 22K
R9 47K 10 4 U4B 6 1 + J12 0 7
R8 200
U5B 6 B19 7 + 5 J13 0
B17
R42 7.15K
R10 47K 9 /FULL
C34 471P
C16 104P
C18 101P
R45 10K
C19 104P
R48 47K
J15 0
R46 4.3K
R47 15K
4
D4 PER Q2 R15 0.1 B1 1 2 + : Ni-Cd S : Terminal for distinction of battery T : Terminal for detection temperature : Ground terminal + : Ni-MH, Li-ion + D5 L1 330µ 9 10 13 7 1 3 Q1,3 Q2 Q4 U1 U2 U3 U4 U5 U6 : 2SA2712 : 2SA1757 or 2SA1469 : PK7002 : PJ431 : AMC-04 : TL494 or UPC494C : LM339 or BA10339F : BA10393 : T600D D1 : RLS4148N D2~5 : SB140 D6 : SB240 LED1 : M059AGW-A-K Vcc BTYPE
JK1
P1
D6
1 2
(G)
(R)
KSC-25
BATTERY PACK
KNB-24L (Li-ion Battery Pack : 1400mAh)
s External View
KNB-26N (Ni-MH Battery Pack : 2000mAh)
s External View
s Schematic Diagram
DISCHARGING TERMINALS S 1.8M
s Schematic Diagram
DISCHARGING TERMINALS S 220k
S S T
T
CHARGING TERMINALS CHARGING TERMINALS
KNB-25A (Ni-Cd Battery Pack : 1200mAh)
s External View
s 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