Kenwood ksc-25 user manual

Summary of the content on the page No. 1

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 TK-
3140 (B51-8603-00) service manual.
AC adapter (120V AC 60Hz) Relay terminal Cabinet (Upper)
(W08-0942-05) (E23-1190-08) x 5 (A02-3655-08)
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
B43-11

Summary of the content on the page No. 2

KSC-25 CHARGER FLOW CHART Power on (LED : off) No output power initialization Yes Are Yes Abnormal output terminals Red LED flash shorted? reset? No No No P.S. Vt : 4.7 → 3.2~3.5V Does T contact? 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 No Does S contact? P.S. Ni-MH, Ni-Cd Vs : 1.2V → 0V Li-ion Vs : 1.2V → 3.2~3.5V Yes No –5°C+2°C,–1°C ≤ T ≤ 47°C+2°C,–1°C LED color : Red flash Yes Power release Is the Yes battery

Summary of the content on the page No. 3

JK1 DC JACK P1 D6 M6 M5 J04 J05 C26 B1 Q2 C8 R11 ++ S T – BC E B2 C28 B3 JK2 C7 C11 + C27 M4 D2 C32 R46 R19 D3 R42 R38 C15 R40 B17 JK3 R37 B6 B20 5 4 L1 R35 B7 U5 R48 R36 1 C13 8 JK4 C24 C19 B21 J15 B9 R39 J16 JK5 B19 R16 JK8 R14 J14 R18 JK9 B15 R13 R24 C12 R47 JK6 C17 R43 B14 C9 C14 C18 C25 + R44 Y1 M3 R41 C23 C2 R25 + C4 U6 C5 R23 R21 R9 1 16 J06 R10 J07 C34 B10 JK12 U1 C3 JK11 U3 R49 R27 C10 C35 Q4 R22 C1 + R28 R29 C29 8 9 J03 LED1 R G KSC-25 PC BOARD VIEWS CHARGER UNIT (W02-3641-08) Compone

Summary of the content on the page No. 4

KSC-25 SCHEMATIC DIAGRAM µ 4 D4 L1 PER JK1 330 P1 Q2 D6 D5 R15 0.1 B1 1 + : Ni-MH, Li-ion 1 C6 + 2 2 + : Ni-Cd 103P R11 B3 3 S : Terminal for distinction of battery DC B2 JACK 200 J02 4 T : Terminal for detection temperature U5A 0 B7 3 5 – : Ground terminal 8 + 97 10 13 13 B4 – J07 0 4 8 2 2 B6 11 16 C36 B11 471P 12 14 B13 Vcc U3 R1 4.7K 4 6 5 15 Vcc Vcc Q1 15 13 VDD /CHB R49 B10 R24 + Q4 R4 6.8K R23 20K 8.87K 16 120 /CVB U1 12 Vcc + ICTRL1 11 ICTRL2 1 7 XO/R SCTRL Vcc PER Vcc Q3 R39 1K 2

Summary of the content on the page No. 5

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

Summary of the content on the page No. 6

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, 7501