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STEREO GRAPHIC EQUALIZER
KE-205
SERVICE MANUAL
© 1998-5/B51-5429-00 (K/K) 1396
KENWOOD badge (B43-0302-04)
Knob (Slide) (K27-2329-08)
Front panel (A60-1552-08)
Knob (Slide) (K27-2329-08)
+10
+10
+10
+10
7 BAND DUAL EQUALIZER
0 0 0 0
-10 60Hz 150Hz 400Hz 1kHz 2.4kHz 6kHz 15kHz
-10
POWER ON OFF
-10 60Hz 150Hz 400Hz 1kHz 2.4kHz 6kHz 15kHz
-10
Foot rubber (G16-0919-08)x4
Foot (J02-1424-08)x4
Knob (Power) (K27-2328-08)
Top cover (A01-3654-08)
Slide switch* (S90-0128-08)
AC outlet (E03-0351-08)
LINE IN OUT
UNSWITCHED 200W MAX.
L
AC 110-120V
~
AC 220-240V
~
R
RCA jack (E70-0036-08)
AC power cord (E30-2895-08)
Power cord stopper (J42-0341-08)
* Refer to parts list on page 5.
A
B
C
D
E
PC BOARD(Component side view)
LINE OUT IN
1
2
E
E
E
E
E
E
E
E
E
E
E
E
E
E
B
B
B
B
B
B
B
B
B
B
B
B
B
B
3
POWER
11 11 1
1
4
11
5
1
6
11
1
7
2
Refer to the schematic diagram for the value of resistors and capacitors.
5.1K
5.1K
5.1K
5.1K
5.1K
5.1K
R32 330K
C18 100P
R33 82K
R28 24K
R24 36K
R20 51K
R16 51K
R12 68K
C17 100P C16 4.7u50 + R35 3.3K
B
0V
6 + 5
-0.9V
-0.9V
-1.1V
-1.0V
-1.1V
R8 75K
-1.2V
R4 82K
-1.4V
12.6V
12.6V
12.6V
12.6V
12.6V
12.6V
12.6V
0V
7
4
Q7
C14 1000P
-0.2V
R25 470
Q6
C12 1500P
-0.3V
R21 470
Q5
C10 2700P
-0.4V
R17 470
Q4
C8 6800P
-0.3V
R13 470
Q3
C6 0.01
-0.5V
470 R9
Q2
C4 0.033
-0.5V
470 R5
Q1
C2 0.056
-0.8V
470 R1
B
IC1 (1/2) JACK1 Lch
R29 470K R31 180K R36 560
0V
C15 1u50 +
C7 0.15u50
C5 0.47u50
C1 3.3u50
C11 0.027
C9 0.068
C3 1u50
C13 0.01
+ 6
+ 7
+ 8
+ 9
+B
INPUT
1
2
3
4
5
CN1 Rch
R79 470K
CN1
VR1
1
2
3
4
5
6
7
8
VR7
VR6
VR5
VR4
VR3
VR2
9
5.1K
R27 390
R26
R11 390
R23 390
R22
R19 390
R18
R15 390
R14
R10
R7 390
R3 390
R6
R2
Lch
C109 0.047 R30 470K
+B
+B +B
2
3
4
5
6
7
8
1
9
15.4V
-15.5V
CN2
1 2 3 C61 0.027 4 C59 0.068 5 C57 0.15u50 6 + C55 0.47u50 7 + 8 C51 3.3u50 + 9
B
R81 180K
R101 470
R102 470
C64 1000P
C62 1500P
C60 2700P
C58 6800P
C54 0.033
C52 0.056
+
C56 0.01
R75
R71
R67
R63
R59
R55
R51
470
470
470
470
470
470
IC1 (2/2)
C66 4.7u50 R85 3.3K
0V
1 C67 100P R84 3.3K 8 + -
-0.2V
3 2
-0.3V -0.9V
-0.4V -1.1V
-0.4V -1.0V
-0.5V -1.1V
-0.6V -1.2V
-0.7V -1.4V
+B
-0.8V
+ R82 330K
Q57
C68 100P R83 82K
Q56
12.6V
5.1K
Q55
12.6V
5.1K
Q54
12.6V
5.1K
Q53
12.6V
5.1K
Q52
12.6V
5.1K
Q51
12.6V
5.1K
13.7V 22.1V
R108 220 1/2W
+B
0V 13.7V
12.6V
5.1K R56 R54 82K R53 390 R52
R77 390
R76
R73 390
R72
R69 390
R68
R65 390
R64
R61 390
R60
R78 24K
R74 36K
R70 51K
R66 51K
R62 68K
D101
C105 2200u25 +
+B B B
+B
R58 75K
R57 390
+B B
C104 2200u25
+
15kHz
+
B
6kHz
2.4kHz
1kHz
400Hz
150Hz
60Hz
C106 2200u25
+
+B
C103 2200u25
470
+B
R86 560
C65 1u50
C53 1u50
+B
C63 0.01
7
6
5
4
3
2
1
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer. The DC voltage is an actual reading measured with a high impedance type voltmeter. The measurement value may vary depending on the measuring instruments used or on the product.
15kHz
-13.7V
R34 3.3K
B +B
6kHz
2.4kHz
B
1kHz
400Hz
150Hz
60Hz
B
+B
+B
A B
+B
+B
10 11
10 11
D7
+B
D6
D5
D4
+B
D3
D2
+B
D1
C101 0.047
+B
C107 0.047
10 C108 0.047
+B +B
10 11
D57
+B
D56
D55
D54
+B
D53
D52
+B
D51
OUTPUT
11
Rch
R80 470K
VR57
VR56
VR55
VR54
VR53
VR52
VR51
CN2
C
+
Y09-4260-00
D
KE-205
-13.7V -22.1V
R107 220 1/2W
B
IC1 Q1-7,51-57
110120V
: NJM4558DX : 2SC1815GR : IN4002L
NJM4558DX
D102
SW3
220240V PT1
D101,102 (Y) TYPE
(K,P) TYPE SW1
ON C102 0.01 2 3 A AC120V 60Hz OFF 4 B 3 A
AC110-120V AC220-240V 50/60Hz SIGNAL LINE GND LINE
POWER
TH FUSE TH FUSE C +B 5 -B C
E
+B LINE -B LINE
1
5
KE-205
Parts with exploded numbers larger than 700 are not supplied. 4
A
B
C
601
B
614
B
615
B
616 626
Dx2 B
1
Bx2
Bx2 A
SW1 A B C D ø3x8 (BLK) ø3x6 (BLK) ø3x8 M3x6 : N89-3008-45 : N89-3006-45 : N89-3008-46 : N30-3006-46
C
SW3
640
B
EXPLODED VIEW
C 757
JK1
703
C
610
758 C
605
630
727
602 631x7
2
B
704 C 759
C
625x2
KE-205
631x7
B
620
625x2 620
KE-205
KE-205
5
V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Ref. No Add- New ress Parts Parts No. Description Destination
1
Remarks
V New Parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Add- New Parts No. Description Ref. No ress Parts C61 C62 C63 C64 C65 CQ92FM1H273J CQ92FM1H152J CQ92FM1H103J CQ92FM1H102J CE04KW1H010M CE04KW1H4R7M C91-0745-05 CK45FB1H473Z C91-0647-05 CE04KW1E222M CE04KW1E102M CK45FB1H473Z 1C E70-0036-08 R92-1741-08 V R33-0002-08 V R33-0002-08 1B 1C V S68-0108-08 V S90-0128-08 1N4002L NJM4558DX 2SC1815GR 2SC1815GR MYLAR MYLAR MYLAR MYLAR ELECTRO ELECTRO CERAMIC CERAMIC CERAMIC ELECTRO ELECTRO CERAMIC 0.027UF 1500PF 0.010UF 1000PF 1.0UF 4.7UF 100PF 0.047UF 0.010UF 2200UF 1000UF 0.047UF J J J J 50WV 50WV K Z P 25WV 25WV Z
2
Destination Remarks
KE-205
601 602 605 610 614 615 616 620 625 626 630 631 640 640 1B 2A 2A V A01-3654-08 V A60-1552-08 B43-0302-04 B46-0121-33 B46-0302-04 V B60-3895-08 V B60-3896-08 V D21-1906-08 E30-0505-05 E03-0351-08 V E30-2895-08 G16-0919-08 V H10-7494-08 V H50-2987-08 2B,2C J02-1424-08 V J42-0341-08 1C 2B 2A 1C 1C V K27-2328-08 V K27-2329-08 V L07-2629-08 V L07-2630-08 TOP COVER FRONT PANEL BADGE,KENWOOD WARRANTY CARD WARRANTY CARD INSTRUCTION BOOK(E) INSTRUCTION BOOK(F) POWER KNOB SHAFT PATCH CORD BLK-1M AC OUTLET HJC-030A1(P) AC CORD 6.5FT BLK SPT-2 FOOT RUBBER SNOW BOX MASTER CARTON KENWOOD FOOT CORD STOPPER 5RF-B POWER KNOB SLIDE KNOB POWER TRANS EI-35 POWER TRANS EI-35 KP Y P K P
C66 C67 ,68 C101 C102 C103,104 C105,106 C107-109 JK1 R107,108 VR1 -7 VR51-57 SW1 SW3 D101,102 IC1 Q1 -7 Q51 -57
2B 1A 1C 1C 2B,2C
4P RCA JACK HSP-244V1-01 FUSE RESIST 220 1/2W SLIDE VR NC308N 100KBX1 SLIDE VR NC308N 100KBX1 PUSH SWITCH,SPUN19C604-CP5 SLIIDE (VOLTAGE) DIODE IC(OP AMP X2) TRANSISTOR TRANSISTOR
PARTS LIST
Y
ELECTRONIC PARTS
C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 ,18 C51 C52 C53 C54 C55 C56 C57 C58 C59 C60 L : Scandinavia Y : PX(Far East, Hawaii) Y : AAFES(Europe) CE04KW1H3R3M CQ92FM1H563J CE04KW1H010M CQ92FM1H333J CE04KW1HR47M CQ92FM1H103J CE04KW1HR15M CQ92FM1H682J CQ92FM1H683J CQ92FM1H272J CQ92FM1H273J CQ92FM1H152J CQ92FM1H103J CQ92FM1H102J CE04KW1H010M CE04KW1H4R7M C91-0745-05 CE04KW1H3R3M CQ92FM1H563J CE04KW1H010M CQ92FM1H333J CE04KW1HR47M CQ92FM1H103J CE04KW1HR15M CQ92FM1H682J CQ92FM1H683J CQ92FM1H272J K : USA T : Europe X : Australia P : Canada E : Europe Q : Russia ELECTRO MYLAR ELECTRO MYLAR ELECTRO MYLAR ELECTRO MYLAR MYLAR MYLAR MYLAR MYLAR MYLAR MYLAR ELECTRO ELECTRO CERAMIC ELECTRO MYLAR ELECTRO MYLAR ELECTRO MYLAR ELECTRO MYLAR MYLAR MYLAR R : Mexico G : Germany H : Korea 3.3UF 0.056UF 1.0UF 0.033UF 0.47UF 0.010UF 0.15UF 6800PF 0.068UF 2700PF 0.027UF 1500PF 0.010UF 1000PF 1.0UF 4.7UF 100PF 3.3UF 0.056UF 1.0UF 0.033UF 0.47UF 0.010UF 0.15UF 6800PF 0.068UF 2700PF C : China V : China(Shanghai) M : Other Areas 50WV J 50WV J 50WV J 50WV J J J J J J J 50WV 50WV K 50WV J 50WV J 50WV J 50WV J J J I : Malaysia indicates safety critical components. L : Scandinavia Y : PX(Far East, Hawaii) Y : AAFES(Europe) K : USA T : Europe X : Australia P : Canada E : Europe Q : Russia R : Mexico G : Germany H : Korea C : China V : China(Shanghai) M : Other Areas I : Malaysia indicates safety critical components.
KE-205
SPECIFICATIONS
Equalizer characteristic
Variable range ................................................................................................................................................................ ± 10 dB Center frequencies ................................................................................. 60 Hz, 150 Hz, 400Hz, 1kHz, 2.4 kHz, 6 kHz, 15 kHz Total harmonic distortion ............................................................................................... Less than 0.009% (20 Hz to 20 kHz) Maximum output voltage ........................................................................................................................... 4.3 V (THD 0.01%) S/N ratio ......................................................................................................................................... 96 dB (IHF-A network, 1V) Input impedance ............................................................................................................................................................... 47 k Output impedance ........................................................................................................................................................... 3.6 k
General
Power consumption ............................................................................................................................................................. 5 W AC outlet unswitched .................................................................................................................................... 1 (200W max) Dimensions ............................................................................................................................................ W : 440mm (17-5/16") H : 74mm (2-15/16") D : 273mm (10-3/4") Weight .................................................................................................................................................................... 2.3 kg (5.1Ib)
Notes
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice 2. The full performance may not be exhibited in extremely coud location (under a water-freezing temperature).
Note: Component and circuit are subject to modification to insure best operation under differing local conditions. This manual is based on Europe (E) standard, and provides information on regional circuit modification through use of alternate schematic diagrams, and information on regional component variations through use of parts list.
14-6,Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan
KENWOOD SERVICE CORPORATION
P.O BOX 22745, 2201 East Dominguez St., Long Beach, CA 90801-5745, U.S.A.
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD ELECTRONICS LATIN AMERICA S.A.
P.O BOX 55-2791, Piso 6 plaza Chase, Cl. 47 y Aquilino de la Guardia Panama, Republic de Panama
KENWOOD ELECTRONICS BRASIL LTDA.
Av Indianópolis, 628, 04062-001 Planalto Paullsta São Paulo-SP-Brasil
KENWOOD ELECTRONICS U.K. LIMITED
KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom
KENWOOD ELECTRONICS BELGUM N.V.
Meachelsesteenweg 418, B-1930 Zaventem, Belgium
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS FRANCE S.A.
13 Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori, 7/9 20129, Milano, ltaly
KENWOOD IBÉRICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001499 074) P.O Box 504, 8 Figtree Drive, Australia Centre, Homebush, N.S.W. 2140, Australia
KENWOOD & LEE ELECTRONICS, LTD.
Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong N.T., Hong Kong
KENWOOD ELECTRONICS GULF FZE
P.O.Box 61318, Jebel Ali, Dubai, U.A.E.
KENWOOD ELECTRONICS SINGAPORE PTE LTD.
No. 1 Genting Lane #02-02, KENWOOD Building, Singapore, 349544
KENWOOD ELECTRONICS (MALAYSIA) SDN BHD.
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1 46300 Petaling Jaya Selangor Darul Ehsan Malaysia
KENWOOD ELECTRONICS (THAILAND) CO., LTD.
573/111 Soi Ramkhamhaeng 39, Ramkhamhaeng Road, Wangthonglang, Bangkapi, Bankok 10301 Thailand