Kenwood KAC-8104D Service Manual
Class d mono power amplifier
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- Service manual (19 pages) ,
- Instruction manual (17 pages) ,
- Product information (52 pages)
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CLASS D MONO POWER AMPLIFIER
KAC-8104D
QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
Accessories
(W01-1606-05)
www
.
Fuse (40A)
(F52-0016-05)
FUSE[40A]
P .CON
SPEAKER OUTPUT
POWER IN
Screw & wrench key set
(N99-1820-05)
x
ao
u163
y
i
2 9
8
Q Q
3
6 7
1 3
1 5
OFF 15Hz
25Hz
ISF
[MIN]
[MAX]
BASS BOOST
LPF
INPUT
LEVEL[dB]
FREQUENCY[Hz]
SENSITIVITY[V]
LINE IN
LINE OUT
Connecting cord assy
(E30-6145-05)
co
.
This product complies with the
9 4
2 8
© 2007-11 PRINTED IN JA PAN
B53-0602-00 ( N ) 519
Dressing Panel
(A21-6631-02): (E,K type)
(A21-6632-02): (M type)
0 5
8
2 9
9 4
2 8
E,K type
M type
SP LEVEL INPUT
SIGNAL SENSING
TURN-ON
m
19cm
This product uses Lead Free solder.
RoHS
directive for the European market.
9 9
9 9
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Table of Contents
Related Manuals for Kenwood KAC-8104D
Summary of Contents for Kenwood KAC-8104D
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Page 1: Service Manual
CLASS D MONO POWER AMPLIFIER KAC-8104D 3 7 63 1515 0 SERVICE MANUAL © 2007-11 PRINTED IN JA PAN B53-0602-00 ( N ) 519 Dressing Panel (A21-6631-02): (E,K type) (A21-6632-02): (M type) L 13942296513 E,K type M type Fuse (40A) - Page 2 3 7 6 3 1 5 1 5 0 L.P.F SEL. IC14 SENS. IC11 IC18 IC14 IC15 I.S.F ∼ 1 ∼ SEL. Q151 Q603 Q405-409, IC12,13 Q401,402,404,417 Q410-413 IC32 IC31 414,415 OUTPUT IC32 KAC - 8104D L 1 3 9 4 2 2 9 6 5 1 3 300W / 4 Ω...
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Page 3: Components Description
KAC-8104D COMPONENTS DESCRIPTION 3 7 63 1515 0 ● AUDIO UNIT (X09-8730-10) Ref. No. Application / Function Operation / Condition / Compatibility DC/DC converter IC Generates drive signal for switching component IC11 Isolation amplifi er Isolates noises caused by potential differences in GND... - Page 4 KAC-8104D PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 AUDIO UNIT X09-8730-10 (J76-0470-01) Q413 Q410 Q412 Q411 TP12 C901 Q607 R416 R626 Q604 Q606 Q409 W138 W139 Q415 CN900 R425 TP139 Q408 C900 Q405 C902 TP135 TP136 R900...
- Page 5 KAC-8104D 3 7 63 1515 0 X09-8730-10 TP103 TP101 TP100 Ref. No. Address Ref. No. Address TP99 TP51 TP29 -15V Q407 IC11 Q414 R400 IC12 Q151 Q404 R406 Q401 R413 TP83 C184 R408 IC13 Q400 Q417 TP80 IC14 Q401 TP79...
- Page 6 KAC-8104D (X09-8730-10) 3 7 63 1515 0 +15V C213 C210 ISO. AMP C114 BODY-GND 0.01 0.01 0.01 TP109 15.0V IC11 IC11 TP102 TP111 R101 C103 R105 R113 (2/2) (1/2) R119 10u50 C200 LINE IN 15.0V 10u50 R211 TP57 3.9K R116...
- Page 7 KAC-8104D 3 7 63 1515 0 +15V +15V +15V BASS.BOOST C213 C210 C214 C215 L.P.F I.S.F 0-+18dB F=40Hz 50-200Hz 24dB GAIN=0 INPUT SENS OFF/15Hz/25Hz18dB 0.01 0.01 0.01 0.01 -15. VR1 10K IC15 15.0V (1/2) R233 TP60 -15.0V 2.2K TP32 R221 15.0V...
- Page 8 KAC-8104D 3 7 63 1515 0 SS.BOOST 8dB F=40Hz -15.0V 15.0V 2SA992-A 2SC1845-A TP139 CN900 Q900 R235 2.2K C224 100P : TL494IDR IC11,14,15,18,32,60,61, 2SA1576A : BA4560RF +15V IC12,13 : SN74HC00D IC31,62,63 : BA2903F Q1,2,5,6,52,151,400,601, 603,609-611 : 2SC4081 R651 : 2SB1241...
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Page 9: Exploded View
KAC-8104D EXPLODED VIEW 3 7 63 1515 0 : N09-6312-05 φ2.6x12 M4x8 : N09-6726-05 φ3x10 : N80-3010-43 φ3x12 : N83-3012-48 φ3x6 : N89-3006-43 : N89-3008-48 φ3x8 φ3x10 : N09-6447-05 M6 AU : N07-0003-08 M4 AU : N09-4214-08 L 13942296513 (X09-873) u163 Parts with the exploded numbers larger than 700 are not supplied. -
Page 10: Parts List
CD04BJ1H470M ELECTRO 47UF 50WV C607 CD04BJ1H100M ELECTRO 10UF 50WV C25,26 C90-5688-05 ELECTRO 1500UF 100WV C608 CK73GB1H103K CHIP C 0.010UF K E1 : KAC-8104D (Europe) K : KAC-8104D (North America) M1 : KAC-8104D (Other Areas) Indicates safety critical com po nents. - Page 11 J 1/10W R182 RK73GB2A112J CHIP R 1.1K J 1/10W RK73GB2A103J CHIP R J 1/10W R183,184 RK73GB2A103J CHIP R J 1/10W E1 : KAC-8104D (Europe) K : KAC-8104D (North America) M1 : KAC-8104D (Other Areas) Indicates safety critical com po nents.
- Page 12 R659 RK73GB2A474J CHIP R 470K J 1/10W R441,442 RK73GB2A202J CHIP R 2.0K J 1/10W R900 RK73GB2A681J CHIP R J 1/10W E1 : KAC-8104D (Europe) K : KAC-8104D (North America) M1 : KAC-8104D (Other Areas) Indicates safety critical com po nents.
- Page 13 D407 UDZS15B ZENER DIODE Q600 2SA1576A TRANSISTOR D600 1SS133 DIODE Q601 2SC4081 TRANSISTOR D601-604 1SS355 DIODE Q602 DTA114EUA DIGITAL TRANSISTOR E1 : KAC-8104D (Europe) K : KAC-8104D (North America) M1 : KAC-8104D (Other Areas) Indicates safety critical com po nents.
- Page 14 2SC3478AA(L,K) TRANSISTOR Q608 2SA1576A TRANSISTOR Q609-611 2SC4081 TRANSISTOR Q612 DTA124EUA DIGITAL TRANSISTOR Q900 2SD1863 TRANSISTOR NCP18XH103J0S THERMISTOR L 13942296513 u163 E1 : KAC-8104D (Europe) K : KAC-8104D (North America) M1 : KAC-8104D (Other Areas) Indicates safety critical com po nents.
- Page 15 KAC-8104D PARTS LIST 3 7 63 1515 0 CAPACITORS 2 2 0 • Capacitor value CC45 Color* 010 = 1pF 0 = 22pF 1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating 100 = 10pF 2 = Shape ... round, square, etc.
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Page 16: Specifications
Infrasonic Filter Frequency (-18 dB/oct.) ....15 / 25 Hz L 13942296513 Bass Boost Circuit (40 Hz) ....0 – +18 dB (variable) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be General changed without notice. - Page 17 KAC-8104D 3 7 6 3 1 5 1 5 0 PC BOARD (FOIL SIDE VIEW) AUDIO UNIT X09-8730-10 (J76-0470-01) Q413 Q410 Q412 Q411 TP103 TP101 TP12 Q607 C901 TP100 R416 TP99 R626 Q604 Q606 TP29 TP51 -15V Q409 Q407 W138...
- Page 18 TP83 14.2V TP113 TP39 w w w HMAX33.5mm 10u50 0.01 TP59 1000P 3.3V 14.2V TP107 MUTE 3:14 TP105 TP71 3.8V u 1 6 3 -15.0V TP30 TP26 POWER TP130 DC/DC TP78 TP47 TP34 14.3V IND. RED +14.3V 0.01 2.2K KAC-8104D...