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POWER AMPLIFIER
KAC-8103D
QQ
3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
Accessories
(W01-1606-05)
www
.
Fuse (40A)
(F52-0016-05)
Accessories
(W01-1607-05)
x
ao
y
i
8
Q Q
3
6 7
1 3
Screw set
Connecting cord assy
(N99-1794-05)
(E30-6145-05)
u163
.
This product complies with the
2 9
9 4
2 8
© 2006-11 PRINTED IN JAPAN
B53-0473-00 ( N ) 955
Dressing Panel
(A21-6567-02): (K type)
(A21-6580-02): (E,M type)
1 5
0 5
8
2 9
9 4
E,M type
K type
m
19cm
co
This product uses Lead Free solder.
RoHS
directive for the European market.
9 9
2 8
9 9
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Table of Contents
Related Manuals for Kenwood KAC-8103D
Summary of Contents for Kenwood KAC-8103D
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Page 1: Service Manual
POWER AMPLIFIER KAC-8103D 3 7 63 1515 0 SERVICE MANUAL © 2006-11 PRINTED IN JAPAN B53-0473-00 ( N ) 955 Dressing Panel (A21-6567-02): (K type) (A21-6580-02): (E,M type) L 13942296513 E,M type K type Fuse (40A) (F52-0016-05) Accessories Accessories Screw set... -
Page 2: Block Diagram
KAC-8103D BLOCK DIAGRAM 3 7 63 1515 0 IC14 IC15 IC18 FREQ=40Hz IC11 I.F.S BASS ISO-AMP 15Hz L.P.F BOOST I.S.F 25Hz SEL. SENS. FREQ LEVEL (50-200Hz) 0-18dB Q151 Q603 MUTE Q401,402, Q405-409, IC32 (2/2) IC31 IC12,13 404,417 414,415 Q410-413 SUMMING... -
Page 3: Circuit Description
KAC-8103D COMPONENTS DESCRIPTION 3 7 63 1515 0 Ref. No. Application / Function Operation / Condition / Compatibility Q4,5 Mute Generates mute drive signal and turns off LED. Q8~11 Gate driver Gate driver in DC/DC converter FET Q12,13,19,20 DC/DC converter DC/DC converter switching ±15V AVR... -
Page 4: Pc Board (Foil Side View)
KAC-8103D PC BOARD (FOIL SIDE VIEW) 3 7 63 1515 0 AUDIO UNIT X09-8600-10 (J76-0348-01) Q411 Q410 Q412 Q413 R424 R416 R419 W170 W146 R418 W171 W147 R423 C401 C405 W175 R406 Q404 Q405 W174 Q415 W155 W173 W156 R403... - Page 5 KAC-8103D 3 7 63 1515 0 X09-8600-10 Ref. No. Address Ref. No. Address -15V IC11 W184 Q414 R406 Q404 IC12 Q151 R400 R408 W111 R413 IC13 Q400 R403 IC14 Q401 R401 Q406 IC15 Q402 D400 IC18 Q403 R405 Q402 IC31...
- Page 6 KAC-8103D 3 7 63 1515 0 (X09-8600-10) +15V_1 -15V_1 D103 ISO. AMP C114 0.01 TP109 IC11 15.0 TP102 15.0V IC11 R101 C103 R105 R113 TP111 (1/2) 10u50 (2/2) R119 LINE IN C200 TP57 R211 10u50 3.9K R116 LINE OUT C110 -15.0V...
- Page 7 KAC-8103D 3 7 63 1515 0 +15V_1 +15V_1 +15V -15V_1 -15V_1 -15V_1 L.P.F I.S.F 50-200Hz 24dB GAIN=0 OFF/15Hz/25Hz18dB INPUT SENS VR1 10K(A) 15.0V -15.0V C213 C210 R233 2.2K R211 0.01 0.01 3.9K C221 R221 10K 4.7u50 IC14 R206 10K R219...
- Page 8 KAC-8103D 3 7 63 1515 0 : TL494IDR +15V_1 IC11 : RC4580IDR -15V_1 IC12,13 : SN74HC00D IC14,15,18,32,60,61,64 : BA4560RF 0-+18dB F=40Hz IC31,62,63 : BA2903F -15.0V 2SA992-A Q1,2,5,6,151,400,601, IC15 603,609-611 : 2SC4081 2SC1845-A 15.0V (1/2) : 2SB1241 Q4,29,30,401,600,608 : 2SA1576A Q8,9...
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Page 9: Exploded View
KAC-8103D EXPLODED VIEW 3 7 63 1515 0 φ3x8 : N09-5524-05 M4x8 : N09-6287-15 φ2.6x13 : N09-6365-05 φ3x10 : N80-3010-43 φ3x8 : N89-3008-48 φ3x8 : N09-6135-05 φ3x10 : N09-6447-05 M4x9 : N09-4214-08 L 13942296513 (X09-860) u163 Parts with the exploded numbers larger than 700 are not supplied. -
Page 10: Parts List
CHIP C 1000PF C100 CK45FF1H223Z CERAMIC 0.022UF Z C612 CK73GB1H104K CHIP C 0.10UF C101,102 CK73GB1H102K CHIP C 1000PF C613 CD04BJ1A101M ELECTRO 100UF 10WV E1 : KAC-8103D (Europe) K : KAC-8103D (North America) Indicates safety critical components. M1 : KAC-8103D (Other Areas) - Page 11 1.0K J 1/10W R48,49 RK73EB2E473J CHIP R J 1/4W R219 RK73GB2A103J CHIP R J 1/10W R220 RK73GB2A822J CHIP R 8.2K J 1/10W E1 : KAC-8103D (Europe) K : KAC-8103D (North America) Indicates safety critical components. M1 : KAC-8103D (Other Areas)
- Page 12 W313 R92-1252-05 CHIP R 0 OHM J 1/16W R610 RK73GB2A123J CHIP R J 1/10W W314-319 R92-2053-05 CHIP R 0 OHM J 1/8W E1 : KAC-8103D (Europe) K : KAC-8103D (North America) Indicates safety critical components. M1 : KAC-8103D (Other Areas)
- Page 13 ANALOGUE IC IC32 BA4560RF ANALOGUE IC IC60,61 BA4560RF ANALOGUE IC u163 IC62,63 BA2903F ANALOGUE IC IC64 BA4560RF ANALOGUE IC Q1,2 2SC4081 TRANSISTOR E1 : KAC-8103D (Europe) K : KAC-8103D (North America) Indicates safety critical components. M1 : KAC-8103D (Other Areas)
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Page 14: Specifications
Weight ............. 2.9kg (6.4 lbs) Frequency Response (+0, -3dB) ......5Hz~200Hz Sensitivity (rated output) MAX ................0.2V KENWOOD follows a policy of continuous advancements MIN ................5.0V in development. For this reason specifications may be Input Impedance ............10kΩ changed without notice.