Kenwood kac-8104d Service Manual
Class d mono power amplifier
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CLASS D MONO POWER AMPLIFIER
KAC-8104D
SERVICE MANUAL
Fuse (40A)
(F52-0016-05)
FUSE[40A]
Accessories
(W01-1606-05)
P .CON
BASS BOOST
LEVEL[dB]
SPEAKER OUTPUT
POWER IN
Screw & wrench key set
(N99-1820-05)
This product complies with the
© 2007-11 PRINTED IN JA PAN
B53-0602-00 ( N ) 519
OFF 15Hz
25Hz
ISF
[MIN]
[MAX]
LPF
INPUT
FREQUENCY[Hz]
SENSITIVITY[V]
SP LEVEL INPUT
SIGNAL SENSING
LINE IN
LINE OUT
TURN-ON
Connecting cord assy
(E30-6145-05)
19cm
This product uses Lead Free solder.
RoHS
Dressing Panel
(A21-6631-02): (E,K type)
(A21-6632-02): (M type)
E,K type
M type
directive for the European market.
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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 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) E,K type M type Fuse (40A) (F52-0016-05) OFF 15Hz 25Hz FUSE[40A] P .CON... - Page 2 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 300W / 4 Ω 500W / 2 Ω Q400 ILLUMI POWER INDI. INDI. IC61,62,64 Q608-611 LEVEL DIAGRAM...
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Page 3: Components Description
KAC-8104D COMPONENTS DESCRIPTION ● 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 Generates and shapes the inverted waveform and to create dead time... -
Page 4: Pc Board (Foil Side View)
KAC-8104D PC BOARD (FOIL SIDE VIEW) 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 W141 R906 TP138 TP137 W142... - Page 5 KAC-8104D 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 TP37 R401 IC15 Q402 Q406...
- Page 6 KAC-8104D (X09-8730-10) +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 C113 IC14 -15.0V (2/2) LINE OUT...
- Page 7 KAC-8104D +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 -15.0V C221 TP14 TP15 4.7u50...
- Page 8 KAC-8104D 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 Q4,29,30,51,401,600,608 C622 : 2SA1576A 47u50...
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Page 9: Exploded View
KAC-8104D EXPLODED VIEW : 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 (X09-873) 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 2SA1376AA(L,K) TRANSISTOR Q607 2SC3478AA(L,K) TRANSISTOR Q608 2SA1576A TRANSISTOR Q609-611 2SC4081 TRANSISTOR Q612 DTA124EUA DIGITAL TRANSISTOR Q900 2SD1863 TRANSISTOR NCP18XH103J0S THERMISTOR 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 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. 5 = Value...
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Page 16: Specifications
Weight ................2.6 kg Infrasonic Filter Frequency (-18 dB/oct.) ....15 / 25 Hz 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 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 Q414 W139 R400 Q404 R406 Q415 Q401 R413 TP83...
- Page 18 TP58 TP98 TP115 TP65 TP72 OUTCTRL TP114 TP83 14.2V TP113 TP39 HMAX33.5mm 10u50 0.01 TP59 1000P 3.3V 14.2V TP107 MUTE 3:14 TP105 TP71 3.8V -15.0V TP30 TP26 POWER TP130 DC/DC TP78 TP47 TP34 14.3V IND. RED +14.3V 0.01 2.2K KAC-8104D...