Kenwood KSC-24- User Manual
Kenwood KSC-24– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – PARTS LIST / EXPLODED VIEW / PC BOARD VIEW; PC Board View; Parts List
- Page 3 – CIRCUIT DIAGRAM
- Page 4 – KENWOOD CORPORATION; SPECIFICATIONS
RAPID CHARGER
KSC-24
SERVICE MANUAL
Circuit Description
■
Power Supply Section
1. The power supply generates constant current (1.1A)
from the input voltage (rated 15V DC) from the adapter.
2. IC101 is a DC/DC converter.
3. R117 is a resistor for current detection.
4. R110 and R111 are resistors for no-load voltage detec-
tion (non-load voltage : 14V).
5. IC201 is a power supply/reset IC for the microcomputer
(IC202).
· Power output : 5V
· Reset output : “H” (Normal)
· After reset : “L”
■
Charging Control Section
1. The microcomputer (IC202) controls the following;
· Peak detection (Detected when fully charged, pin 27 of
IC202)
· Temperature control (Pin 2)
· Detection of abnormality, such as a short terminal (Pin
27)
· LED control (Red : Pin 21, Green : Pin 22)
· Trickle charging (Pin 18)
· Quick charging (Pin 17)
2. X201 is an oscillator that generates clocks for the micro-
computer (4MHz).
AC adapter
(W08-0523-15) : K
(W08-0524-15) : E
(W08-0939-05) : T
Relay terminal
(E23-1058-08) x 4
Cabinet (Upper)
(A02-3626-08)
© 2001-5 PRINTED IN JAPAN
B51-8583-00 (N) 1775
■
Charging Switch Section
1. Q201 is a transistor that turns quick charging on and off.
2. Q202 is a transistor that turns trickle charging on and off.
3. The resistor (R204) determines the leakage current.
■
Display Section
1. LED201 is a two-color LED that indicates the charging
state.
2. Red on ............... Quick charging or warming up
Green on ............ Charging is complete
Red blinking ....... Abnormal (short terminal, short bat-
tery, or open terminal)
Charging
The charging time for each pack is shown in the table.
Battery
Battery
Voltage
Battery
Approximate
Pack
Type
(Volts)
Capacity
Charging Time
(mAh)
(Minutes)
KNB-14
Ni-Cd
7.2
600
40
KNB-15A
Ni-Cd
7.2
1100
60
KNB-16A
Ni-Cd
7.2
1100
60
KNB-17A
Ni-Cd
7.2
1500
80
KNB-20N
Ni-MH
7.2
1600
80
KNB-21N
Ni-MH
7.2
1600
80
KNB-22N
Ni-MH
7.2
2100
110
Photo is K type.
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Summary
KSC-24 2 PARTS LIST / EXPLODED VIEW / PC BOARD VIEW PC Board View Electric circuit module (W02-1932-08) Component side view Parts List ✽ : New parts Ref. No. New Parts No. Description Desti- parts nation 1 ✽ A02-3626-08 Cabinet (Upper) 2 ✽ A02-3652-08 Cabinet (Lower) 3 E03-0187-08 DC jack 4 E23-1058...
KSC-24 3 CIRCUIT DIAGRAM * : Not installed Vcc : +5V
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 DEUTSCH...
