Kenwood KAC-9103D User manual

© 2006-11 PRINTED IN JAPAN
B53-0471-00 (N)957
POWER AMPLIFIER
BOOST
CONTROL SYSTEM
Power Amplifier
Class D Mono
K type
E,M type
Dressing Panel
(A21-6563-02): (K type)
(A21-6564-02): (E,M type)
Fuse (30A)
(F52-0015-05)
Accessories
(W01-1606-05) x2 Screw set (N99-1794-05) Connecting cord assy (E30-6145-05)
19cm
KAC-9103D
SERVICE MANUAL
This product uses Lead Free solder.
This product complies with the
RoHS directive for the European market.

2
KAC-9103D
BLOCK DIAGRAM
LINE OUT
LINE IN
IC11
ISO
SP IN
IC11
INV NOR/REV
I.F.S
25Hz
15Hz
IC11 SENS
L.P.F BASS
BOOST
FREQ
IC13 LVL IC12
Q151
MUTE
IC31 IC12,13
DEAD
CONT
TIME
TRIANGLE
WAVE
D CLASS
AMP
Q401-415,187-190
DET.
LOAD
OVER
PROTECT
THERMAL
OP
AMP
DET.
OFFSET
DC
AVR
+15V
D.D CON
+15V
AVR
AVR
-15V
15V
COMPARATOR
HB
Q25,26
Q28,42 Q8-20
DET
P-CON
TR SW
SP OUT
P-CON
BATT
GND
IND
LEVEL DIAGRAM
OUT
X08
LEVEL
VOL
OUT
INPUT
SP
-10
0
10
20
30
40
50
ISOLATION X08 D CLASS AMP
KAC-9103D
X09-5820-14 X08-4180-12

3
KAC-9103D
COMPONENTS DESCRIPTION
●PREAMPLIFIER UNIT (X08-4180-12)
Ref. No. Application / Function Operation / Condition / Compatibility
IC11 (1/2) INFRA SONIC FILTER Cutting super-low area of voice signals
IC11 (2/2) INVERTER Reversing voice signal phase
IC12 (1/2) OP AMP Voltage amplification, buffer
IC12 (2/2) BASS BOOST High-boost (variable levels)
IC13 LOW PASS FILTER Cutting high range of voice signal
IC14,15 BASS BOOST High-boost (variable levels)
●AUDIO UNIT (X09-5820-14)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 DC/DC converter IC Create drive signal for switching element
IC2 (1/2) Differential amplifier Detection of temperature, DC, and excess current and hold protection for a certain time
IC2 (2/2) Differential amplifier Containing excess voltage of ±B
IC11 Isolation amplifier Prevention of noise by the electric potential difference of GND
IC12,13 NAND Generation and forming of Dclass section reversal waveform and dead time
IC31 Comparator Digitalize signal by comparing analog signal and triangular wave
IC32 (1/2) Triangular wave generation Reference signal generation for converting analog signals to digital signals
IC32 (2/2) Error amplifier Error compensation by feedback from output
IC61,62 Comparator Detection of short-circuiting of SP output and determine excess current for triggering protection
Q1~3 PCON switch Turns on the circuit when ON-signal is impressed on PCON
Q4,5 Mute Mute drive signal generation,Turn LED off
Q8~11 Gate drive DC/DC converter FET gate drive
Q12~14 DC/DC converter DC/DC converter switching
Q18~20
Q25,26,28 AVR ±15V AVR
Q29,30 Tracking when ±15V AVR is OFF Adjusts ‘-15V’AVR falling to ‘+15V’AVR falling
Q36 DC/DC converter ON/OFF control Stops DC/DC converter switching when protection is triggered
Q37,38 DC/DC converter pulse ON/OFF control ON/OFF of DC/DC converter drive waveform
Q41 4.4V AVR Vref 5V reference AVR
Q42 AVR ±15V AVR
Q43 DC/DC converter ON/OFF control Stops DC/DC converter switching when protection is triggered
Q151 Mute Turning off voice signal
Q187~190 Electric power amplification Dclass large current switching
Q401~409 Pulse amplification and rectifying Generation of signal for driving Dclass final FET
Q411~414
Q416 15V AVR Integration AVR for obtaining Dclass High+B
Q417,418 Control of ON/OFF of electric Makes the electric power amplification section non-operative for 1.2 seconds when the
power amplification section power is turned on and when protection is triggered
Q601,602 Comparator Detection of short-circuiting of SP output and determine excess current for triggering protection
Q603 DC/DC converter control Convey IC62 upin output, result of excess current detection, to IC2 and stop the DC/DC converter
Q604~607 Electric current and voltage conversion Conversion of current to voltage of the current flowing to final
Q608~611 Latch circuit Detection and holding of output excess voltage
Q612 FAN +B When P-CON is ON, fan is rotated

4
KAC-9103D
ABCDE
1
2
3
4
5
6
7
PC BOARD (FOIL SIDEVIEW)
C115
C302
W338
C518
C604
C608
R64
R181
R646
R208
R304
R417
R608
R611
R612
R616
R617
R525
R527
R74
R638
C612
C614
R640
R182
+5V
C111
R120
C101
C102
R103 R104
R114
R115
R117
C117
C501
C502
C503
C519
C6
C116
C152
C182
C183
C301
C401
C517
C156
C603
C606
C607
C609
C615
R414
C524
R2
R4
R14
R48
R65
R153
R154
R302
R409 R410
R419
R416
R508
R509
R526
R528
R415
+15V
-15V
R602
R606
R610
R619
R621
R643
R644
C4
C109
C110
C112 C113
C154
C303
C304
C507
C509
C513
C515
R413
R412
R406
R411
R9
R405 R404
R403
C610
C611
R10
R68
C525
R73
R529
R3
R5
R6
R7
R8
R11
R12
R13
C526
R53
R58
R61
R66
R67
R105 R106
R113
R116
R119
R121
R122
R123
R124
R151
R152
R155
R156
R157
R158
R159
R160
R183R184
R199
R200
R206
R209
R301
R303
R305
R306 R307
C527
R425
R162
R407
R408
W351
R426
C405
C406
R423
R424
R506
R507
R511
R512
R513
R514 R515
R516
R517
R518
R519
R520
R521
R522
R523
W352
W353
W354
W355
W356
R601
R603
R604
R605
R607
R609
R613
R614
R615
R622
R645
C616 C617
R623
R624
R625
R626
R627
R639
R641
R642
W401
W360
W346
W328
W324
W337
W336W332
W333
W361
W323
W320
W322
W339
W319
W329
W321
W348
PWM
W317
W350
W318
W326
W330
W331
R210
R211
58
14
41
58
41
58
41
58
71
814
71
814
41
58
71
814
71
814
41
58
BE
EB
EB
E
B EB
EB EB E
BE BE BE
BE
BE BE BE BE EB EE
BE
BE
BE BE
BE
BE
BE
SGDDSG
EB
B
13
24
1
2
9
10
17
28
W76
W85
W100
C35
R510
C506
C181
R108
R112
R107
R111
R118
C2
C3
C5
C522
C31
C32 C36
C521
C153
C504
C505
C510
C511
C520
C523
C602
C605
C613
R401
R402
R420
C103 C104
C105 C106
C107 C108
C114
C151
C195
C196
C508
C514 C516
C601
R52
R57
R101
R102
R109
R110
R161
R418
R629R630
W108
W81
W78
W89
W93
W94
W32
W73
W105
W52
W102
W40
W49
W60
W59
W88
W19
W27
W30
W26
W18
W84
W71
W48
+B
W39
W31
W35
W103
W135
W134
W136
W104
W72
W77
W99
W106
W66
W74
W87
W107
W55
W57
W68
W65
W64
W133
W132
W67
W92
W25
W34
W56
W36
W37
W58
W46
W50
W45
W44
W54
W43
W51
W33
W41
W131
W23
W22
W29
W53
W95
W79
W38
W129W130
W21
W20
W61
W75
W69
W109
W117
W118
W62
C25
C155
R504
R501
R502
R503
L4/L14
W121
W110
W124
W123
W122
W115
W114
W119
L14
R203
R204
W505
W506
BE BE
BE
BE
BE
BE
BE
EB
BE
BE BE
BE
BE
BE
BE
BE
D607
D608
Q612
Q30
Q602
D501
D605
Q608
D181
D101
D8
D23
D25
Q1
Q2
Q29
Q151
Q601
Q603
Q609
Q610
Q611
D5
D308
Q4
Q501
Q5
Q410
Q414
Q411
Q415
D103
D105
D107
D109
D904
D907
Q3
D186
D305 D307
D906
D908
D6
D7
D9 D10
D11
D104
D106
D108
D110
D151
D182
D183
D303
D304 D306
D401
D402
D601
D602
D604
D606
Q25
Q42
Q401
Q402
Q408 Q412
Q417
Q418
Q604 Q605
Q606
Q607
J1
LINE
OUT LINE IN
SPEAKER
LEVEL
INPUT
REMOTE
SPEAKE
D502
CN1
Q26
J2
P1
Q409
Q413
J4
Q28 Q187Q189
Q
Q403
Q404
Q405
Q406
Q407
IC11
IC31 IC32
IC51
IC61 IC62
IC52
IC53
IC12
IC13
AUDIO UNIT X09-5820-14 A/2 (J76-0072-41)
Refer to the schematic diagram for the values of resistors and capacitors.

5
KAC-9103D
JIHGF
1
2
3
4
5
6
7
R72
C7
C9
C11
R20
R25
R32
R34
R36
R37
R38 R43
R44
R49
R70
C13
C14
R17
C82
R19
R22
R23
R29
R30
R31
R33
R35
R39
R40
R41
R42
R71
R201
R202
R207
R421
W357
W358
TH1
C81
W306
W307
W301
W308
W302
W305
W303
W309
W304
41
85
169
18
EB
DDSG SG
BE
SDGSDGSDGSDGSDGSDGSDGSDG
13
C12
C40
C1
C21
C22
W120
C8
C83
C10
C19
C20
C23
C193
C194
C402
C403
C404
R1
R45
R46
R47
R422
R636R637 W11
W12
W10
W9
W3
W16 W15
W1
W6
W2
W5
-B
W7
W8
W17
W126
W125 W128 W127
W129
W13
W14
C26
L1/L11
W112
W116
W501
W502
L1
L11
L4
C15
C16 C17
C18
C197
C198
C199
P-CON GND
BATT
OUT
L3
W504
W505
W506
W503
BE
BEBE
BE
BE
BE
BE
BE
Q8
Q9
Q43
Q10
Q11
Q36
D4
D407
Q37
Q38
D81
Q41
D3
D15
D12
D14
D16
D17
D403
D404
D405
D406
Q416
SPEAKER OUTPUT POWER IN
D2
D1
J3
P1
Q12
Q13
Q14
Q15
Q17
Q18
Q19
Q20
D18
D19
J5
Q188
Q190
WH2
P2
IC1
IC2
X09 B/2
Ref. No. Address
IC1 6I
IC2 3I
IC11 6B
IC12 4B
IC13 4B
IC31 4C
IC32 4C
IC61 5C
IC62 5D
Q1 6D
Q2 6D
Q3 6D
Q4 6D
Q5 6D
Q8 6I
Q9 6I
Q10 5I
Q11 6I
Q12 4H
Q13 4H
Q14 5H
Q18 3H
Q19 3H
Q20 4H
Q25 2C
Q26 2C
Q28 2B
Q29 2B
Q30 2C
Q36 3I
Q37 6I
Q38 6I
Q41 5I
Q42 2C
Q43 5I
Q151 4C
Q187 2E
Q188 2G
Q189 2D
Q190 2F
Q401 3B
Q402 3B
Q403 3C
Q404 3B
Q405 3B
Q406 3B
Q407 3C
Q408 3C
Q409 3C
Q411 3C
Q412 3C
Q413 3C
Q414 3C
Q416 2H
Q417 3B
Q418 3B
Q601 5D
Q602 5D
Q603 5D
Q604 4D
Q605 4D
Q606 4D
Q607 4D
Q608 5D
Q609 5D
Q610 5D
Q611 5D
Q612 4D
X09-5820-14

6
KAC-9103D
KLMNO
1
2
3
4
5
6
7
PC BOARD (FOIL SIDEVIEW)
Refer to the schematic diagram
for the values of resistors and
capacitors.
W51
C202
C206
C203
C126
C207
R129
R204
C201
C208
C209
C204
C205
W151
R202
R201
R203
R205
R208
R207
R212
R211
R210
R206
R209
W52
W254
W257 W258
W255
W252
W256
W251
W253
C104
C109
C122
C103
C108
C123
C115
C116 C118
C119
R102
R104
R105
R107
R108
R109
R111
R113
R127
C117
C120
R101 R103
R106
R110
R112
R119
R120
R121
R122
R123 R124
R125
R126
R623
R62
17
OFF 25Hz
15Hz
ONOFF
I.N.V
I.S.F
INPUT SENS
LOW PASS
5V
200mV
200Hz
50Hz
BASS BOOST
0dB
18dB
82
1
3
1
3
1
3
4
1
2 4
C107
W19
W5
W9
W17
W14
W18
W6
W11
W13
W2
W12
W3
W4
W8
W16
W201
W20
W204
W15
W10
C101
C121
C102
C106
C105
C124
W203
W202
W7
W22
W21
VR1
VR2
VR3
VR62
VR61
1
1
+15V
LED
SIG1
SIG2
DGND
-15V
ISO GND 2
51
10
3
4
6
1
TP49
TP48
TP5
TP4
TP8
TP1
TP2
TP3
TP7
TP11
TP12
TP13
TP14
TP15
TP16
TP17 TP18
TP19
TP20
TP21
TP22
TP23
TP24
TP25
TP26
TP27
TP36
TP37
TP38
TP39
TP40
TP41
TP42
TP43
TP44
TP45
TP63
TP64
TP62
TP61
TP60
TP65
ISO GND 1
6
463 52
46352241365
14
58
41
21 31
58
41 58 41 58
41 58
CN1
CN2
WH1
CN3
D1
S1
S2
J1
IC14
IC15
IC11
IC12
IC13
PREAMPLIFIER UNIT X08-4180-12 A/2 (J76-0068-12)
X08 B/2
FREQUENCY
BOOST
LEVEL
X08-4180-12
Ref. No. Address
IC11 3N
IC12 2M
IC13 3M
IC14 2L
IC15 3L
R1
C1
31
CN1
D1
PREAMPLIFIER UNIT X08-4360-10 (J76-0379-02)

7
KAC-9103D
ABCDE
1
2
3
4
5
6
7
X09-5820-14 A/2 (1/2)
10K
10K
10K
10K
15.0V
-15.0V
6V
-15V
0V
15.0V
6V
-15V
4V
-4V
4.5V
-4.5V
0V
-15.0V
15.0V
0V
4V
-4V
5.3V
2.6V
2.6V
2.6V
2.6V
2.6V
2.6V
2.6V
2.6V
0V
2.6V 2.6V
0V
0V
0V
0V
5V
0V
5V
5V
0V 0V
5V
5V
0V
0V
5V
5V
0V
5.0V
0V
0V
5V
0V
0V
5V
-15.0V
15.0V
-15.0V
65.0V(0-12/13)
85.0V(0-10/11)
79.0V(0-12/13)
100.0V(0-10/11)
-85.0V(0-10/11) -65.0V(0-12/13)
IC52 IC53
IC31
A
(X09-5820-1x) (A/2)
Q187
Q29
Q30
Q28
∗
D19
Q42
Q25
Q26
Q401 Q402
∗
Q406
∗
Q407
Q151
D101 BASS BOOST REMOTE CONTROL
LEVEL and FREQUENCY
∗
Q403
∗
Q404
∗
Q405
Q418
Q412
Q414
Q408
Q6
0
Q189 Q606
Q604
Q6
0
Q417
Q416
∗
D18
∗
Q18
∗
Q19
Q9
Q11
∗
Q13
∗
Q14 Q8
Q10
Q38
Q37
∗
Q12
∗
Q20
D17 D16
W502
W501
(1/2)
∗
IC32
(2/2)
∗
IC32
(2/2)
IC51
∗
J1
(1/2)
∗
IC11
∗
IC11
(2/2)
D103 D105D106
D104
ISO. AMP
L
R
J2
D109
D107
D110 D108
∗
CN1
D151
D303
D306
D304
D308
D305
D307
D15
D501
D23D25
IC12
(1/4)
IC12 (2/4)
(3/4)
IC12
(4/4)
IC12
D181
D183
D186
D182
D401
(1/4)
IC13
IC13
(2/4) D402
IC13 (3/4) IC13 (4/4)
Q190Q188
Q411
Q409 Q413
D403
D405
D406
D404
D407
SPEAKER
INPUT
LEVEL
2/2
X08-A/2-
CN1
(0-10,0-12)
COMPALATOR
CURRENT
DETEC.
POWER AMP
MUTE
15V AVR
DC/DC CONVERTER
-15V AVR
Q61
∗
A
∗
CN1
LINE IN
LINE OUT
LR
TP31
TP83
TP30
TP80
TP29
TP79
TP28
TP27TP26
TP75
TP76
TP25TP24
TP40
TP41
TP183
TP184
TP154
TP186
TP181
TP185
TP32
TP33
TP151
TP46
TP45
TP44
TP43
TP110
TP108
TP109
TP153TP152
TP306
TP304
TP302
TP305
TP155
TP301
TP303
TP112
TP38 TP39
TP111
TP509
TP508
TP507
TP505
TP506
TP510 TP511
9
6
2
1
4
3 5
13 14 11 12 10
GNDV+
78
VREF
REF IN
14
∗
L3
4.7K
R43
56
10
R40
R42
4.7K
R44
1.5K
R38
1.5K
R37
TP88
56
R41
10
R39
TP78
TP77
TP89
1
2
3
4
5
6
7
8
4
3
2
1
6800P
C19
1/2W
10
R45
3900u16
C18
3900u16
C17
3900u16
∗
C16
6 5
7
8VCC
VEE
3 4 2 1
42
8
31
5
67
6
57
0.01
C117
1K
R101 10u50
C103
1000P
C101
10K
R103
1000P
C102
10K
R104
1K
R102 10u50
C104 27K R106
15K
R114
10K
R119
33P
C113
10u50
C114
100
R124
75K
R121
10K
R117
5.6K
R118
9.1
R210
10K
R115
C111 100P
R120 10K
2
31
64
85 7
33P
C109
R123
100P
10K
C112
C110 47P
R116 33K
TP101
TP105
TP102
TP104
TP106
TP107
27K
R105
1K
R113
75K
R122
0.01
C116
0.01
C115
109
87
65
21
43
2.2K
R108
2.2K
R107
47K
R110 10u50 C106
47K
R112 10u50 C108
47K
R111 10u50 C107
47K
R109 10u50 C105
87
65
43
21
LED
SIG 2
SIG 1
ISO GND 1
-15V
ISO GND 2
+15V
D GND
TP58
TP59
TP56
TP55
TP54
TP53
TP52
TP51
9.1
R211
4.7K
R151
1u50
C151
1K
R155
470
R156
10K
R152
220K
R154
∗
R153
0.1
C152
1K
R157
47u25
C153
C154 47P
3900P
C155
10K
R159
10K
R162
1000P
C156
R158 680K
68K
R160
24K
R161
R301 10K
0.01
C301
0.01
C302
330P
C303
0.01
C304
6.8K
R303
10K
R302
6.2K
R304
6.2K
R306
1
0
K
R307
W401
R33 220KR32 5.1K R31 220K
R30 5.1K
510
R510
10K
R511
C507 100P
R512 39K
10u50
C508 22K
R513
22K
R514
16K
R517
10K
R518 0.1
C509
10K
R516
0.01
C524
10u50
C510
10u50
C511
10u50
C506
2.2K
R515
16
K
R51
9
10
K
R52
0
1
K
R
5
0.01
C525
47u25
C35
10K
R66
4.7K
R65 820
R64
10
R53
∗
R52
47u25
C32
10
R61
47u25
C36
15K
R67
∗
R57
10
R58
1/2W
22
R47
1000P
C23
1000P
C22
1/2W
22
R46
1000P
C21
1000P
C20
47u25
C31
1500u100
C26 1500u100
C25
150K
R208
100K
R209
1
23
14
7
4
5613
12 11
9
10 8
1.1K
R182
R183 10K
R184 10K
39P
C183
C181
47u25
5
46R423 1K
39P
C182
10
98
10K
R425
R424 1K
R426
10K
1
2311 12
13
TP182
56P
C405
1K
R181
56P
C406
R403 470
R405 47
R406 270
1/2W
1K
R418
10K
R417
0.01
C401
1/2W
5.1K
R420
47K
R419
10
R407
10
R408
100
R413
100
R415
10
R199
10
R200
10
R409
330
R411
10
R410
1.2K
R412
1/2W
750
R401
1/2W
750
R402
56K
R422
47u25
C403
5.6K
R421
47u35
C402
2W
0.05
2W
R636
R404 470
47K
R206
47K
R207
10
R202
R201
10
10
R414
R416
10
47u25
C404
2W
R630 0.05
2W
R629 0.05
0.047
C610
R
6
2
3
3.3K
R626
510K
R624
3.3K
R627
0.1
C193
0.047
C611
R
6
2
5
0.1
C194
3.9K
R305
47K
R48
47K
R49
R637
0.05
+15V
-15V -1
5
+15V
-15V
+5.3V
+14.3V
+14.4V
14
7
R646
10 9GND FAN
2
4
1
3
5
8
67
2
1
3
4
6
5
7
TP103
+
++
+
++
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ +

8
KAC-9103D
JIHGF
1
2
3
4
5
6
7
X09-5820-14 A/2 (2/2)
10K
10K
10K
10K
22K
22K
14.3V 0V
14V
0V
0V
14.2V
3.8V
3.3V
5.0V
0V 0V
0.2V
0V
4.4V
0V
2.0V
2.0V
0V
0V
2.6V
5.3V
0V
2.6V
2.6V
2.6V
2.6V
2.6V
15.0V
-15.0V
0V
0V
0V
0V
0V 1.0V
2.0V
13.0V
7.5V
15.0V
0V
1.9V
7.5V
0.7V
15.0V
1.5V
1.5V
1.5V
1.5V
15.0V
-15.0V
2.6V
3.0V
IC53
IC62
IC1
KAC-9103D (1/2)
B
Q501
Q36
Q611
Q43
Q603
Q5
Q1
Q2
Q3
Q609
Q610
Q608
Q601
Q605
Q606
Q604
Q607
Q602
Q41
IC51
(1/2)
(2/2)
∗IC61
(1/2)
∗IC61
D601
D602
(2/2)
IC2
(1/2)
IC2
∗J3
∗J5
3
03
D306
D304
D308
D305
D307
D14
D15
J4
D502
D907 D904D906
D908
D12
D11
D7
D6
D5
P1
D8
Q4
D9
D10
D604
D607
D605
D606
D4
SPEAKER
OUTPUT
REMOTE
P2
D1
D2
∗D3
GND LINE
SIGNAL LINE
B LINE
B LINE
(X09-5820-1x)
D8,605,607 : 02DZ10F-Y
UMZ6.8ND101 : 02DZ5.1F-YD181,308,501 :
02DZ16F-YD23,25 :
∗
D18 :
1SS133
D6,7,9-12,14-17,103-110,151,
:
02DZ15F-YD5,407 : 02DZ6.8F-YD4 : RM4ZLF-J4NFD1-3 :
DTC124EUAQ603 : 2SA1376AA(L,K)Q417,605,606 : 2SD1863Q416,612 : 2SB1427Q411,414 : 2SC3902Q409,413 : 2SC3415SQ408,412 : ∗
Q403-407 : 2SC3478AA(L,K)
Q401,402,418,604,607
:
STW34NB20Q187-190 : 2SA992-A(F,E)Q42 : 2SC945AA(Q,P)Q41 : DTA114EUAQ37,38,43 :
2SA1859ANFQ28 : 2SC4883ANFQ26 : 2SC1845-A(F,E)Q25 : ∗
Q12-14,18-20 :
2SB1241Q3 :
2SA1577Q10,11 : 2SC4097Q8,9 : 2SA1576AQ4,29,30,601,608 :
2SC4081
Q1,2,5,151,501,602,609-611
:
NJM2172V-ZBTE2IC52,53 :
BA10393FIC31,62 : SN74HC00DIC12,13 : ∗
IC11,32,61 : BA10358FIC2 : TL494IDRIC1 :
Q36 DTC114EUA:
182,183,186,303-307,401-406,
502,601,602,604,606,904,906-908
X08-B/2-
2/2
J1
R
ENT
C.
PROTECTION
DC/DC CONV.
LATCH
P-CON SW
MUTE DRV.
D19 ∗
:
Q612 D608
∗ A
02DZ12F-YD608 :
IC51 RC4580IDR:
TP74 TP73
TP503
TP504
TP13
TP17
TP14
TP15
TP12
TP11
TP18
TP20
TP16
TP19
TH1
TP68
TP61
TP70
∗
L4
TP608
TP609
TP64
TP613
TP610 TP36
TP37
TP63
TP22
TP21
TP10
TP1
TP5
TP8
TP9
TP7
TP6
TP4
TP3
TP2
TP515
TP611
TP612
TP602
TP601
TP514
TP605
TP606
TP607
TP604
TP603
TP511 TP512 TP513
114
2
1
3
13 14 12
VREF
5 6REF IN
V+
7GND
9 10 8
34
1
28
6
7513
2
4
8
6
5
7
8VCC
VEE 3
4
2
1
64
58
7
3
2
1
4
3
2
1
6
5
7BATT
GND
P-CON
TP23
∗
FUSE
∗
FUSE
2K
3
06
10K
R307
IN2-IN1-
TP69
7GND
47u25
C12
C1
89
10
E2
E1
DTC
FBACK
C11 TP72
TP71
1000P
20K
R36 CT
5
RT
6
R34
6.8K
3
4
VCC 12
11
C2
REF
OUTCTRL
14
13
IN1+
1
2
47u25
C10
150K
R29
IN2+ 16
15
R33 220KR32 5.1K
10K
R71
C14 1000P
0.1
C13
100K
R35
R31 220K
R30 5.1K
10K
R70
1
4
3
2
R501 100
R502 100
R503 100
R504 100
1500P
C501 1500P C502 1500P C503 1500P
1u50
C520
47K
R526
10K
R528
470
R525
2.7K
R527
TP47
TP48
TP49
TP50
TP501
TP502
1K
R506
1K
R507
R508 470K R509 470K
C505 1u50
C504 47u25
16K
R519
0.1
C513
10K
R520
10u50
C521
10u50
C523
0.01
C526
0.01
C517
0.01
C518
1K
R521
10u50
C514
0
.
01
0.01
C527
330
R529
2.4K
R522
+
1u50
C522
5.6K
R523
47P
C515
0.01
C9
680K
R23
2.2u50
C8
82K
R22R25 27K
∗
R726.8K
R19
10K
R17
820
R74
1.6K
R20
0.1
C7
2.2K
R73
2.2u50
C8
∗
R9
33K
R7
10K
R5
3.9K
R3
4.7K
R6
4.7K
R8
3.3K
R2
1.5K
R4
1000P
C40
10u50
C2
∗
L11
∗
L1
TP65
R12
75K
R11 33K
C4 0.01
10u50
C3
TP35
∗
R10
∗
R68
TP34
10u50
C5
+
100
R13
0.01
C6
10K
R14
∗
C195
∗
C1964.7 2W
R203
4.7 2W
∗
R204
0
.
047
6.8K
R623
0.01
C608
510K
R624
K
7
0.047
C611
3.3K
R625
6800P
C609 2.2K
R622
27K
R621
C607 0.68
R619 220K
47u25
C605
10K
R613
4.7K
R611
0.01
C604
0.01
C603
R604 20K
20K
R603
10u50
C601
10K
R602
47K
R601
1.3K
R606
4.7K
R610
10K
R616
0.01
C606
1K
R615
12K
R608
C602
10u50 20K
R605
10K
R607
100K
R614
22K
R612
20K
R609
10K
R617
C197 10 C198 10
10K2.2K
0.01
C615
22K
R641
R640
0.01
82K
R639
10K
R644
100u10
C613
R638 2.2K
C614
22K
C612 0.1
R643 R642
∗
L14
3.9K
R1
10u50
C1
10u50
C516
+
+15V
-15V
+5.3V
+15V
-15V
+14.3V
+14.4V
MODEL NAME
0-13
J5
YES YES
0-12
0-10
0-11
UNIT
No.
YES YES YES
YES
C16 D3
196
6800P
3900P
6800P
3900P
C195,
FCH10A20 FCH10A20 FCH20A20 FCH20A20
D18
FRH10A20 FRH20A20 FRH10A20 FRH20A20
D19
YES YES
L1,4
L19-0779-05 L19-0779-05 L19-0778-05 L19-0778-05
L3
YES YES
14
L11, 19,20
2SK3662-F
Q12,13, 407
2SA1352(E,F)
2SA1352E/F-KEN
2SA1352(E,F)
2SA1352E/F-KEN
Q403-
33K 51K 33K 51K
R9
15K
47K
15K
47K
R10 57
33K 33K
47K 47K
R52, 204
YES YES
R68,
620 620
330 330
R72
6.8K 6.8K
15K 15K
R153
C519
TP60
47K
FUSE
30A x 2 30A x 2
40A 40A
C83 0.1
C82 0.1
680
R645
4.7
R646
10u50
+
C616
10u50
+
C617
15K3900PYES0-14 FRH20A20FCH20A20YES 30A x 2 YES 2SA1352E/F-KENL19-0778-05YES STP60NF06FP 51K 47K YES47K 330
E41-2763-05(10P)
E41-2447-05(8P)
CN1
E41-2447-05(8P) E41-2447-05(8P) E41-2447-05(8P)
Q14,
18
2SK3662-F 2SK3662-F 2SK3662-F
E63-0926-05 E63-0921-05
J1
E70-0838-05 E70-0843-05
J3
E63-0926-05 E70-0843-05
E70-0838-05E63-0921-05
E63-0921-05 E70-0838-05
KAC-8152D(K/M/E) KAC-9102D(K) KAC-8102D(K) KAC-9103D(K/M/E) KAC-9152D(K/M/E)
A
YES
2SK3662-F 2SK3662-F
STP60NF06FPBA4560RF
RC4580IDR RC4580IDR RC4580IDR RC4580IDR
IC11,32,61
++
+
+
+
+
+
+
+
+
+
+
+
+
CAUTION : For continued safety, re-
place safety critical components only
with manufacturer’s recommended
parts (refer to parts list).
Indicatessafety criticalcomponents.
To reduce the risk of electric shock,
leakage-current or resistance mea-
surements shall be carried out (ex-
posed parts are acceptably insulated
from the supply circuit) before the ap-
pliance is returned to the customer.
•DC voltages are
as measured with
a high impedance
voltmeter. Values
may vary slightly
due to variations
between indi-
vidual instru-
ments or/and
units.
B
C
E
2SA992-A
2SC1845-A
2SA1576A
2SC4081

9
KAC-9103D
KLMNO
1
2
3
4
5
6
7
X08-4180-12 (1/1), X08-4360-10 (1/1), X09-5820-14 B/2 (1/1)
15.0V
0V
-15.0V
0V
15.0V 15.0V
0V
0V 0V
-15.0V
0V
15.0V
0V 0V
0V
0V
-15.0V
-15.0V
0V
0V
15.0V
0V
0V
0V
0V
0V
-15.0V
0V 0V
15.0V
(X09- ) (B/2)
B
REMOTE BASS BOOST
(X08-) (B/2)
KAC-9103D (2/2)
(X08-4360-10)
A
(X08-4180-xx) (A/2)
(2/2)
∗
IC12
∗
A
(1/2)
∗
IC14
∗
IC14(2/2)
∗
IC15(1/2) (2/2)
∗
IC15
OFF/15Hz/25HzOFF/ON
S1
∗
IC11(1/2)
S2
∗
IC11(2/2)
I.N.V I.F.S
∗
CN1
CN2
∗
WH2
: B30-1601-05
D81
D81
J4
1/2
X09-A/2
J1
B.B
B.B
FREQ.
LEVEL
SENS
∗
IC13
(1/2)
∗
IC12
(1/2)
L.P.F
(2/2)
∗
IC13
(X08-4180-xx)
B LINE
B LINE
GND LINE
SIGNAL LINE
:IC11-13
BASS BOOST
D1
CN3
CN1
D1
WH1
∗
C
: B30-1765-05D1
CN1
X09-A/2
∗
CN1
1/2
∗
B
IC14,15
∗
D1 LM1MA142WK-G
∗
:
:
(X09-5820-1x) (B/2)
FAN
2.2K
R204
R208
18K
10K
R201
5
67 83K
R203
5
C204
+15V
28
316 7
8
0.1
6
5
VR3 7
0.01
C203
4
10K
R202
100P
C201
TP28TP27
10K
R205
39K
R206
TP32
10K
R207
18K
R210
3
4
TP50
C205
0.1
R209
39K 2
TP35
81
10K(1B)
R212 22K
TP51 TP52
47P
C208
22K
R211
4
C206
0.01
C202
0.01 0.01
C108
0.01
C109
C207
0.01
C124
2.2u50
2
1
35
4
7
6
8
TP17
2
31
8
TP16 R106
3.9K TP18
2
1
5 3
4
10 9 6 7 8
5
6710u50
C102
4
10u50
+
C101 10K R101
10K
R103 TP14TP12
TP11
TP15
1u50
+
C105 1u50
+
C106
R105 47K
47K
R104
6.8K
R108
R107
30K
R109
24K
TP20
0.01
C103
TP13
TP19
8
7
6
5
4
3
2
1SIG 1
ISO GND 1
SIG 2
ISO GND 2
-15V
+15V
D GND
LED
10u50
+
C121
∗
W151
TP2
TP1
TP3
TP4
TP5
TP8
TP7
1
2
3
0.01
C81
3
2
1
TP82 TP81
2
TP65
3
4
R624
8.2K
TP62
TP61
1TP60
10K(C)
VR61
2K
10K(C)
R623
VR62
TP63
TP64
3
C119
R124
12K
TP41
R125
5.1K
2
3
R111
47K
VR1
10K(C)
430
R127
R113
C107
10u16
R110
1K
TP23
TP24
+
R123
2
5.6K
C115
TP26
0.15
0.068
C116
3
TP40
C118
0.068
15K
1
R119
15K
R112
TP25
1
R120
15K
3.3K
R121 50K
TP39
C117
0.022 TP36
5
VR2
9 6 8 7 4
C123
0.15
4
TP44
0.01
86
57
C120
0.033
2.2K 21
0-11 YES
MODEL NAME
0-10
UNIT
No. A
YES
W151
YES
TP49
TP48
+15V +15V
+15V
+15V
-15V
-15V
-15V
-15V
0.01
C122
TP21
0.01
C104
15K
R126
TP43
TP42
TP38
2.2K
R122
TP45
TP22
TP30
TP29
100P
C126
8.2
R129
47K
R102
-15V
TP37
C209
0.01
1
2
1
2
3
0.01
1.6K
R1
C1
3
2
1
KAC-9103D(K/M/E) 0-12
IC11-13
RC4580IDR
BA4560RF
RC4580IDR
BA4560RF
IC14.15
RC4580IDR
12V
GND
B
5-15V
1SIG 1
ISO GND 2
ISO GND 1
3SIG 2
2
4
D GND 7
+15V 6
LED 8
10
9
KAC-8102D(K)
KAC-9152D(K/M/E)
KAC-8152D(K/M/E)
KAC-9102D(K)
YES
C
YES YES
CN1
E41-2447-05(8P)
E41-2763-05(10P)
0-14
No.
UNIT
0-11
0-10
0-12
0-13
KAC-9152D(K/M/E)
KAC-9103D(K/M/E)
KAC-8102D(K)
KAC-9102D(K)
KAC-8152D(K/M/E)
MODEL NAME
E39-0710-05
WH2
E39-0710-05
E39-0891-05
E39-0710-05
E39-0710-05
E41-2447-05(8P)
+
+
CAUTION : For continued safety, replace safety critical compo-
nents only with manufacturer’s recommended parts (refer to parts
list).
Indicates safety critical components. To reduce the risk of electric
shock, leakage-current or resistance measurements shall be car-
ried out (exposed parts are acceptably insulated from the supply
circuit) before the appliance is returned to the customer.
•DC voltages are as measured with a high impedance voltmeter.
Values may vary slightly due to variations between individual
instruments or/and units.
DTA114EUA
DTC114EUA
DTC124EUA
BA10358F

10
KAC-9103D
EXPLODED VIEW
Parts with the exploded numbers larger than 700 are not supplied.
3
2
1
BA
KAC-9103D
(X08-418)
(X09-582)
(X09-)
(B/2)
A
B
C
E
F
G
H
J
K
L
M
N
P
M6x10
M4x9
φ3x12
M4x8
φ2x8
φ3x10
φ2x6
φ3x8
φ3x16
φ3x14
φ3x6
φ3x8
φ3x6
: N07-0003-08
: N09-4214-08
: N09-6216-05
: N09-6287-15
: N80-2008-43
: N80-3010-43
: N82-2006-48
: N89-3008-48
: N89-3016-48
: N09-6217-05
: N83-3006-43
: N89-3008-43
: N89-3006-43
27 3
724
FC1
724
732
704
736
735
738
739
737
29 x2
13
J
J
J
J
Jx2
Jx2
Hx2
Hx2
Lx8
Lx6
Nx3
Nx2
Jx3
Jx3 Jx2
Jx2
Jx3
Gx2
Gx2
N
JF
F
G
MG
J
Cx2
Cx4
J
J
E
10
237x4
F1
PA1
Bx5
Ax2
J3
J5
J1
J2
J
KK
E
(X08-436)
N
7
6
717
730
718
718
718
718
731
722
11
8
19
9
PP
720

11
KAC-9103D
Indicates safety critical components.
✽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. A
d
dN
e
wParts No. Description Desti-
nation Ref. No. A
d
dN
e
wParts No. Description Desti-
nation
E1 : KAC-9103D (Europe) K: KAC-9103D (North America) M1 : KAC-9103D (Other Areas)
PARTS LIST
31B ✽ A21-6563-02 DRESSING PANEL K
31B
✽ A21-6564-02 DRESSING PANEL E1M1
PA1 3B
✽ A64-4079-02 PANEL
61B
✽ B03-5085-02 DRESSING PLATE
71BB07-3193-02 ESCUTCHEON
82BB07-3194-03 ESCUTCHEON
92AB11-2006-04 REFLECTION SHEET
10 1A B19-2324-03 LIGHTING BOARD
11 2A B19-2419-02 LIGHTING BOARD
-
✽ B64-3509-00 INSTRUCTI.MANUAL (ENG.FRE.SPA.) KE1
-
✽ B64-3510-00 INSTR.MANUAL (GER.DUT.ITA.POR.) E1
-
✽ B64-3511-00 INSTRU.MANUAL (ENG.T-CHI.S-CHI) M1
13 1A E30-6145-05 CONNECTING CORD ASSY
FC1 2B
✽ E39-0885-05 FLAT CABLE
19 2B F09-1885-15 FAN
F1 3B F52-0015-05 FUSE (BLADE TYPE) 30A
-
✽ H54-3877-03 ITEM CARTON CASE K
-
✽ H54-3878-03 ITEM CARTON CASE E1
-
✽ H54-3879-03 ITEM CARTON CASE M1
27 1A N99-1794-05 SCREW & WRENCH KEY SET
A3BN07-0003-08 SCREW (M6X10)
B3BN09-4214-08 SCREW (M4X9)
C2AN09-6216-05 TAPTITE SCREW (3X12)
E1BN09-6287-15 DRESSED SCREW (M4X8)
F3BN80-2008-43 PAN HEAD TAPTITE SCREW
G3BN80-3010-43 PAN HEAD TAPTITE SCREW
H1BN82-2006-48
BINDING HEAD TAPTITE SCREW
J3AN89-3008-48 BINDING HEAD TAPTITE SCREW
K2BN89-3016-48 BINDING HEAD TAPTITE SCREW
P2BN89-3006-43 BINDING HEAD TAPTITE SCREW
29 1A W01-1606-05 ACCESSORIES
C101,102 CD04BJ1H100M ELECTRO 10UF 50WV
C103,104 CK73GB1H103K CHIP C 0.010UF K
C105,106 CD04BJ1H010M ELECTRO 1.0UF 50WV
C107 CD04AS1V100M ELECTRO 10UF 35WV
C108,109 CK73GB1H103K CHIP C 0.010UF K
C115 CK73GB1H683K CHIP C 0.068UF K
C116 CK73FB1E154K CHIP C 0.15UF K
C117 CK73GB1H223K CHIP C 0.022UF K
C118 CK73GB1H683K CHIP C 0.068UF K
C119 CK73FB1E154K CHIP C 0.15UF K
C120 CK73GB1H333K CHIP C 0.033UF K
C121 CD04BJ1H100M ELECTRO 10UF 50WV
C122,123 CK73GB1H103K CHIP C 0.010UF K
C124 CD04BJ1H2R2M ELECTRO 2.2UF 50WV
C126 CC73GCH1H101J CHIP C 100PF J
C201 CC73GCH1H101J CHIP C 100PF J
C202,203 CK73GB1H103K CHIP C 0.010UF K
C204,205 CK73FB1E104K CHIP C 0.10UF K
C206,207 CK73GB1H103K CHIP C 0.010UF K
C208 CC73GCH1H470J CHIP C 47PF J
C209 CK73GB1H103K CHIP C 0.010UF K
CN1
✽ E41-2763-05 FLAT CABLE CONNECTOR
CN2 E41-1700-05 PIN ASSY
CN3 E41-1699-05 PIN ASSY
WH1 E39-0710-05 WIRING HARNESS
R101 RK73GB2A103J CHIP R 10K J 1/10W
R102 RK73GB2A473J CHIP R 47K J 1/10W
R103 RK73GB2A103J CHIP R 10K J 1/10W
R104,105 RK73GB2A473J CHIP R 47K J 1/10W
R106 RK73GB2A392J CHIP R 3.9K J 1/10W
R107 RK73GB2A303J CHIP R 30K J 1/10W
R108 RK73GB2A682J CHIP R 6.8K J 1/10W
R109 RK73GB2A243J CHIP R 24K J 1/10W
R110 RK73GB2A102J CHIP R 1.0K J 1/10W
R111 RK73GB2A473J CHIP R 47K J 1/10W
R112 RK73GB2A562J CHIP R 5.6K J 1/10W
R113 RK73GB2A512J CHIP R 5.1K J 1/10W
R119,120 RK73GB2A153J CHIP R 15K J 1/10W
R121 RK73GB2A332J CHIP R 3.3K J 1/10W
R122 RK73GB2A222J CHIP R 2.2K J 1/10W
R123 RK73GB2A153J CHIP R 15K J 1/10W
R124 RK73GB2A123J CHIP R 12K J 1/10W
R125 RK73GB2A222J CHIP R 2.2K J 1/10W
R126 RK73GB2A153J CHIP R 15K J 1/10W
R127 RK73GB2A431J CHIP R 430 J 1/10W
R129 RK73GB2A8R2J CHIP R 8.2 J 1/10W
R201,202 RK73GB2A103J CHIP R 10K J 1/10W
R203 RK73GB2A302J CHIP R 3.0K J 1/10W
R204 RK73GB2A222J CHIP R 2.2K J 1/10W
R205 RK73GB2A103J CHIP R 10K J 1/10W
R206 RK73GB2A393J CHIP R 39K J 1/10W
R207 RK73GB2A103J CHIP R 10K J 1/10W
R208 RK73GB2A183J CHIP R 18K J 1/10W
R209 RK73GB2A393J CHIP R 39K J 1/10W
R210 RK73GB2A183J CHIP R 18K J 1/10W
R211,212 RK73GB2A223J CHIP R 22K J 1/10W
VR1 R31-0238-05 VARIABLE RESISTOR
VR2 R31-0241-05 VARIABLE RESISTOR 50K(C),2
VR3 R31-0244-05 VARIABLE RESISTOR 10KX2,B
W51 R92-1252-05 CHIP R 0 OHM J 1/16W
W52 RK73EB2E000J CHIP R 0.0 J 1/4W
W251-253 R92-1252-05 CHIP R 0 OHM J 1/16W
W254-258 RK73EB2E000J CHIP R 0.0 J 1/4W
S1 S62-0873-05 SLIDE SWITCH
S2 S62-0874-05 SLIDE SWITCH
D1 LM1MA142WK-G DIODE
IC11-15 BA4560RF ANALOGUE IC
D1 B30-1765-05 LED (BLUE,SEDE LIGHT)
C1 CK73GB1H103K CHIP C 0.010UF K
KAC-9103D
PREAMPLIFIER UNIT (X08-4180-12)
PREAMPLIFIER UNIT (X08-4360-10)

12
KAC-9103D
Indicates safety critical components.
Ref. No. A
d
dN
e
wParts No. Description Desti-
nation Ref. No. A
d
dN
e
wParts No. Description Desti-
nation
PARTS LIST
CN1 E41-1700-05 PIN ASSY
R1 RK73EB2E162J CHIP R 1.6K J 1/4W
D81 B30-1743-05 LED (RED LED)
C1 C90-5557-05 ELECTRO 10UF 25WV
C2,3 CD04BJ1H100M ELECTRO 10UF 50WV
C4 CK73GB1H103K CHIP C 0.010UF K
C5 CD04BJ1H100M ELECTRO 10UF 50WV
C6 CK73GB1H103K CHIP C 0.010UF K
C7 CK73GB1H104K CHIP C 0.10UF K
C8 C90-5563-05 ELECTRO 2.2UF 50WV
C9 CK73GB1H103K CHIP C 0.010UF K
C10 CD04BJ1E470M ELECTRO 47UF 25WV
C11 CK73GB1H102K CHIP C 1000PF K
C12 CD04BJ1E470M ELECTRO 47UF 25WV
C13 CK73FB1E104K CHIP C 0.10UF K
C14 CK73GB1H102K CHIP C 1000PF K
C16-18 CD04BC1C392M ELECTRO 3900UF 16WV
C19 CQ92FM1H682J MYLAR 6800PF J
C20-23 CQ92FM1H102J MYLAR 1000PF J
C25,26 C90-5688-05 ELECTRO 1500UF 100WV
C31,32 CD04BJ1E470M ELECTRO 47UF 25WV
C35,36 CD04BJ1E470M ELECTRO 47UF 25WV
C40 CQ92FM1H102J MYLAR 1000PF J
C81 CK73GB1H103K CHIP C 0.010UF K
C82,83 CK73GB1H104K CHIP C 0.10UF K
C101,102 CK73GB1H102K CHIP C 1000PF K
C103-108 CD04BJ1H100M ELECTRO 10UF 50WV
C109 CC73GCH1H330J CHIP C 33PF J
C110 CC73GCH1H470J CHIP C 47PF J
C111,112 CC73GCH1H101J CHIP C 100PF J
C113 CC73GCH1H330J CHIP C 33PF J
C114 CD04BJ1H100M ELECTRO 10UF 50WV
C115-117 CK73GB1H103K CHIP C 0.010UF K
C151 CD04BJ1H010M ELECTRO 1.0UF 50WV
C152 CK73GB1H104K CHIP C 0.10UF K
C153 CD04BJ1E470M ELECTRO 47UF 25WV
C154 CC73GCH1H470J CHIP C 47PF J
C155 CQ92FM1H392J MYLAR 3900PF J
C156 CK73GB1H102K CHIP C 1000PF K
C181 CD04BJ1E470M ELECTRO 47UF 25WV
C182,183 CC73GCH1H390J CHIP C 39PF J
C193,194 CF92FV2A104J MF-C 0.10UF J
C195,196 CQ92FM1H392J MYLAR 3900PF J
C197,198 C91-2267-05 MP-F 10UF J
C301,302 CK73GB1H103K CHIP C 0.010UF K
C303 CC73GCH1H331J CHIP C 330PF J
C304 CK73GB1H103K CHIP C 0.010UF K
C401 CK73GB1H103K CHIP C 0.010UF K
C402 CD04BJ1H470M ELECTRO 47UF 50WV
C403,404 CD04BJ1E470M ELECTRO 47UF 25WV
C405,406 CC73GCH1H560J CHIP C 56PF J
C601,602 CD04BJ1H100M ELECTRO 10UF 50WV
C603,604 CK73GB1H103K CHIP C 0.010UF K
C605 CD04BJ1E470M ELECTRO 47UF 25WV
C606 CK73GB1H103K CHIP C 0.010UF K
C607 CK73FB1C684K CHIP C 0.68UF K
C608 CK73GB1H103K CHIP C 0.010UF K
C609 CK73GB1H682K CHIP C 6800PF K
C610,611 CK73GB1H473K CHIP C 0.047UF K
C612 CK73FB1E104K CHIP C 0.10UF K
C613 CD04BJ1A101M ELECTRO 100UF 10WV
C614,615 CK73GB1H103K CHIP C 0.010UF K
C616,617 CD04BJ1H100M ELECTRO 10UF 50WV
CN1
✽ E41-2763-05 FLAT CABLE CONNECTOR
J1 E63-0921-05 PIN JACK
J2 E58-1031-05 RECTANGULAR RECEPTACLE
J3 E70-0838-05 SCREW TERMINAL BOARD
WH2
✽ E39-0891-05 WIRING HARNESS 3P 130MM
237 2B
✽ F20-2353-04 INSULATING SHEET
J5 J13-0602-05 FUSE HOLDER
L1 L33-2256-25 CHOKE COIL 10.9UH
L3 L19-0778-05
TRANSFORMER FOR CONVERTER
L4 ✽ L33-2257-25 CHOKE COIL 67.6UH
G3BN80-3010-43 PAN HEAD TAPTITE SCREW
L2BN09-6217-05 TAPTITE SCREW (3X14)
M3BN83-3006-43 PAN HEAD TAPTITE SCREW
N3AN89-3008-43
BINDING HEAD TAPTITE SCREW
R1 RD14BB2C392J RD 3.9K J 1/6W
R2 RK73GB2A332J CHIP R 3.3K J 1/10W
R3 RK73GB2A392J CHIP R 3.9K J 1/10W
R4 RK73GB2A152J CHIP R 1.5K J 1/10W
R5 RK73GB2A103J CHIP R 10K J 1/10W
R6 RK73GB2A472J CHIP R 4.7K J 1/10W
R7 RK73GB2A333J CHIP R 33K J 1/10W
R8 RK73GB2A472J CHIP R 4.7K J 1/10W
R9 RK73EB2E513J CHIP R 51K J 1/4W
R10 RK73EB2E473J CHIP R 47K J 1/4W
R11 RK73GB2A333J CHIP R 33K J 1/10W
R12 RK73GB2A753J CHIP R 75K J 1/10W
R13 RK73GB2A101J CHIP R 100 J 1/10W
R14 RK73GB2A103J CHIP R 10K J 1/10W
R17 RK73GB2A103J CHIP R 10K J 1/10W
R19 RK73GB2A682J CHIP R 6.8K J 1/10W
R20 RK73GB2A162J CHIP R 1.6K J 1/10W
R22 RK73GB2A823J CHIP R 82K J 1/10W
R23 RK73GB2A684J CHIP R 680K J 1/10W
R25 RK73GB2A273J CHIP R 27K J 1/10W
R29 RK73GB2A154J CHIP R 150K J 1/10W
R30 RK73GB2A512J CHIP R 5.1K J 1/10W
R31 RK73GB2A224J CHIP R 220K J 1/10W
R32 RK73GB2A512J CHIP R 5.1K J 1/10W
R33 RK73GB2A224J CHIP R 220K J 1/10W
R34 RK73GB2A682J CHIP R 6.8K J 1/10W
R35 RK73GB2A104J CHIP R 100K J 1/10W
AUDIO UNIT (X09-5820-14)
PREAMPLIFIER UNIT (X08-4360-10)
E1 : KAC-9103D (Europe) K: KAC-9103D (North America) M1 : KAC-9103D (Other Areas)

13
KAC-9103D
Indicates safety critical components.
Ref. No. A
d
dN
e
wParts No. Description Desti-
nation Ref. No. A
d
dN
e
wParts No. Description Desti-
nation
PARTS LIST
R36 RK73GB2A203J CHIP R 20K J 1/10W
R37,38 RK73GB2A152J CHIP R 1.5K J 1/10W
R39,40 RK73GB2A560J CHIP R 56 J 1/10W
R41,42 RK73GB2A100J CHIP R 10 J 1/10W
R43,44 RK73GB2A472J CHIP R 4.7K J 1/10W
R45 RD14DB2H100J SMALL-RD 10 J 1/2W
R46,47 RD14DB2H220J SMALL-RD 22 J 1/2W
R48,49 RK73EB2E473J CHIP R 47K J 1/4W
R52 RD14BB2C473J RD 47K J 1/6W
R53 RK73EB2E100J CHIP R 10 J 1/4W
R57 RD14BB2C473J RD 47K J 1/6W
R58 RK73EB2E100J CHIP R 10 J 1/4W
R61 RK73GB2A100J CHIP R 10 J 1/10W
R64 RK73GB2A821J CHIP R 820 J 1/10W
R65 RK73GB2A472J CHIP R 4.7K J 1/10W
R66 RK73GB2A103J CHIP R 10K J 1/10W
R67 RK73GB2A153J CHIP R 15K J 1/10W
R68 RK73EB2E473J CHIP R 47K J 1/4W
R70,71 RK73GB2A103J CHIP R 10K J 1/10W
R72 RK73GB2A331J CHIP R 330 J 1/10W
R73 RK73GB2A222J CHIP R 2.2K J 1/10W
R74 RK73EB2E821J CHIP R 820 J 1/4W
R101,102 RD14BB2C102J RD 1.0K J 1/6W
R103,104 RK73GB2A103J CHIP R 10K J 1/10W
R105,106 RK73GB2A273J CHIP R 27K J 1/10W
R107,108 RD14BB2C222J RD 2.2K J 1/6W
R109-112 RD14BB2C473J RD 47K J 1/6W
R113 RK73GB2A102J CHIP R 1.0K J 1/10W
R114 RK73GB2A153J CHIP R 15K J 1/10W
R115 RK73GB2A103J CHIP R 10K J 1/10W
R116 RK73GB2A333J CHIP R 33K J 1/10W
R117 RN73GH1J103D CHIP R 10K D 1/16W
R118 RD14BB2C562J RD 5.6K J 1/6W
R119,120 RN73GH1J103D CHIP R 10K D 1/16W
R121,122 RK73GB2A753J CHIP R 75K J 1/10W
R123 RN73GH1J103D CHIP R 10K D 1/16W
R124 RK73GB2A101J CHIP R 100 J 1/10W
R151 RK73GB2A472J CHIP R 4.7K J 1/10W
R152 RK73GB2A103J CHIP R 10K J 1/10W
R153 RK73GB2A153J CHIP R 15K J 1/10W
R154 RK73GB2A224J CHIP R 220K J 1/10W
R155 RK73GB2A102J CHIP R 1.0K J 1/10W
R156 RK73GB2A471J CHIP R 470 J 1/10W
R157 RK73GB2A102J CHIP R 1.0K J 1/10W
R158 RK73GB2A684J CHIP R 680K J 1/10W
R159 RK73GB2A103J CHIP R 10K J 1/10W
R160 RK73GB2A683J CHIP R 68K J 1/10W
R161
✽ R92-5129-05 CARBON FILM R 24K J 1/4W
R162 RK73GB2A103J CHIP R 10K J 1/10W
R181 RK73EB2E102J CHIP R 1.0K J 1/4W
R182 RK73GB2A112J CHIP R 1.1K J 1/10W
R183,184 RK73GB2A103J CHIP R 10K J 1/10W
R199-202 RK73EB2E100J CHIP R 10 J 1/4W
R203,204 RS14KB3D4R7JP
FL-PROOF RS 4.7 J 2W
R206,207 RK73GB2A473J CHIP R 47K J 1/10W
R208 RK73GB2A154J CHIP R 150K J 1/10W
R209 RK73GB2A104J CHIP R 100K J 1/10W
R210,211 RK73GB2A9R1J CHIP R 9.1 J 1/10W
R301,302 RK73GB2A103J CHIP R 10K J 1/10W
R303 RK73GB2A682J CHIP R 6.8K J 1/10W
R304 RK73GB2A622J CHIP R 6.2K J 1/10W
R305 RK73GB2A392J CHIP R 3.9K J 1/10W
R306 RK73GB2A622J CHIP R 6.2K J 1/10W
R307 RK73GB2A103J CHIP R 10K J 1/10W
R401,402 RD14DB2H751J SMALL-RD 750 J 1/2W
R403,404 RK73EB2E471J CHIP R 470 J 1/4W
R405 RK73EB2E470J CHIP R 47 J 1/4W
R406 RK73EB2E271J CHIP R 270 J 1/4W
R407-410 RK73EB2E100J CHIP R 10 J 1/4W
R411 RK73EB2E331J CHIP R 330 J 1/4W
R412 RK73EB2E122J CHIP R 1.2K J 1/4W
R413 RK73EB2E101J CHIP R 100 J 1/4W
R414 RK73EB2E100J CHIP R 10 J 1/4W
R415 RK73EB2E101J CHIP R 100 J 1/4W
R416 RK73EB2E100J CHIP R 10 J 1/4W
R417 RK73GB2A103J CHIP R 10K J 1/10W
R418 RD14DB2H102J SMALL-RD 1.0K J 1/2W
R419 RK73GB2A473J CHIP R 47K J 1/10W
R420 RD14DB2H512J SMALL-RD 5.1K J 1/2W
R421 RK73GB2A562J CHIP R 5.6K J 1/10W
R422 RD14BB2C563J RD 56K J 1/6W
R423,424 RK73GB2A102J CHIP R 1.0K J 1/10W
R425,426 RK73GB2A103J CHIP R 10K J 1/10W
R601 RK73GB2A473J CHIP R 47K J 1/10W
R602 RK73GB2A103J CHIP R 10K J 1/10W
R603-605 RK73GB2A203J CHIP R 20K J 1/10W
R606 RK73GB2A132J CHIP R 1.3K J 1/10W
R607 RK73GB2A103J CHIP R 10K J 1/10W
R608 RK73GB2A123J CHIP R 12K J 1/10W
R609 RK73GB2A203J CHIP R 20K J 1/10W
R610,611 RK73GB2A472J CHIP R 4.7K J 1/10W
R612 RK73GB2A223J CHIP R 22K J 1/10W
R613 RK73GB2A103J CHIP R 10K J 1/10W
R614 RK73GB2A104J CHIP R 100K J 1/10W
R615 RK73GB2A102J CHIP R 1.0K J 1/10W
R616,617 RK73GB2A103J CHIP R 10K J 1/10W
R619 RK73GB2A224J CHIP R 220K J 1/10W
R621 RK73GB2A273J CHIP R 27K J 1/10W
R622 RK73GB2A222J CHIP R 2.2K J 1/10W
R623 RK73GB2A682J CHIP R 6.8K J 1/10W
R624 RK73GB2A514J CHIP R 510K J 1/10W
R625-627 RK73GB2A332J CHIP R 3.3K J 1/10W
R629,630 R92-5086-05
METAL-PLATE 0.05 J 2W
R636,637 R92-5086-05
METAL-PLATE 0.05 J 2W
R638 RK73GB2A222J CHIP R 2.2K J 1/10W
R639 RK73GB2A823J CHIP R 82K J 1/10W
R640,641 RK73GB2A223J CHIP R 22K J 1/10W
R642 RK73GB2A103J CHIP R 10K J 1/10W
R643 RK73GB2A222J CHIP R 2.2K J 1/10W
R644 RK73GB2A103J CHIP R 10K J 1/10W
AUDIO UNIT (X09-5820-14)
E1 : KAC-9103D (Europe) K: KAC-9103D (North America) M1 : KAC-9103D (Other Areas)

14
KAC-9103D
Indicates safety critical components.
Ref. No. A
d
dN
e
wParts No. Description Desti-
nation Ref. No. A
d
dN
e
wParts No. Description Desti-
nation
PARTS LIST
R645 RK73GB2A681J CHIP R 680 J 1/10W
R646 RK73EB2E4R7J CHIP R 4.7 J 1/4W
W301,302 RK73EB2E000J CHIP R 0.0 J 1/4W
W303-309 R92-1252-05 CHIP R 0 OHM J 1/16W
W317,318 R92-1252-05 CHIP R 0 OHM J 1/16W
W319 RK73EB2E000J CHIP R 0.0 J 1/4W
W320-323 R92-1252-05 CHIP R 0 OHM J 1/16W
W326 RK73EB2E000J CHIP R 0.0 J 1/4W
W329 R92-1252-05 CHIP R 0 OHM J 1/16W
W330,331 RK73EB2E000J CHIP R 0.0 J 1/4W
W337 R92-1252-05 CHIP R 0 OHM J 1/16W
W338 RK73EB2E000J CHIP R 0.0 J 1/4W
W339 R92-1252-05 CHIP R 0 OHM J 1/16W
W346 R92-1252-05 CHIP R 0 OHM J 1/16W
W348 RK73EB2E000J CHIP R 0.0 J 1/4W
W350 RK73EB2E000J CHIP R 0.0 J 1/4W
W351-357 R92-1252-05 CHIP R 0 OHM J 1/16W
W358 RK73EB2E000J CHIP R 0.0 J 1/4W
W361 R92-1252-05 CHIP R 0 OHM J 1/16W
W401 R92-1252-05 CHIP R 0 OHM J 1/16W
D1-3 RM4ZLF-J4NF DIODE
D4 02DZ6.8F-Y ZENER DIODE
D5 02DZ15F-Y ZENER DIODE
D6,7 1SS133 DIODE
D8 02DZ10F-Y ZENER DIODE
D9-12 1SS133 DIODE
D14-17 1SS133 DIODE
D18 FCH20A20 DIODE
D19 FRH20A20 DIODE
D23 02DZ16F-Y ZENER DIODE
D25 02DZ16F-Y ZENER DIODE
D101 UMZ6.8N ZENER DIODE
D103-110 1SS133 DIODE
D151 1SS133 DIODE
D181 02DZ5.1F-Y ZENER DIODE
D182,183 1SS133 DIODE
D186 1SS133 DIODE
D303-307 1SS133 DIODE
D308 02DZ5.1F-Y ZENER DIODE
D401-406 1SS133 DIODE
D407 02DZ15F-Y ZENER DIODE
D601,602 1SS133 DIODE
D604 1SS133 DIODE
D605 02DZ10F-Y ZENER DIODE
D606 1SS133 DIODE
D607 02DZ10F-Y ZENER DIODE
D608 02DZ12F-Y ZENER DIODE
IC1 TL494IDR ANALOGUE IC
IC2 BA10358F ANALOGUE IC
IC11 BA4560RF ANALOGUE IC
IC12,13 SN74HC00D MOS-IC
IC31 BA10393F ANALOGUE IC
IC32 BA4560RF ANALOGUE IC
IC61 BA4560RF ANALOGUE IC
IC62 BA10393F ANALOGUE IC
Q1,2 2SC4081 TRANSISTOR
Q3 2SB1241 TRANSISTOR
Q4 2SA1576A TRANSISTOR
Q5 2SC4081 TRANSISTOR
Q8,9 2SC4097 TRANSISTOR
Q10,11 2SA1577 TRANSISTOR
Q12-14 STP60NF06FP FET
Q18-20 STP60NF06FP FET
Q25 2SC1845-A(F,E) TRANSISTOR
Q26 2SC4883ANF TRANSISTOR
Q28 2SA1859ANF TRANSISTOR
Q29,30 2SA1576A TRANSISTOR
Q36 DTC114EUA DIGITAL TRANSISTOR
Q37,38 DTA114EUA DIGITAL TRANSISTOR
Q41 2SC945AA(Q,P) TRANSISTOR
Q42 2SA992-A(F,E) TRANSISTOR
Q43 DTA114EUA DIGITAL TRANSISTOR
Q151 2SC4081 TRANSISTOR
Q187-190 STW34NB20 FET
Q401,402 2SC3478AA(L,K) TRANSISTOR
Q403-407 2SA1352E/F-KEN TRANSISTOR
Q408 2SC3415S TRANSISTOR
Q409 2SC3902 TRANSISTOR
Q411 2SB1427 TRANSISTOR
Q412 2SC3415S TRANSISTOR
Q413 2SC3902 TRANSISTOR
Q414 2SB1427 TRANSISTOR
Q416 2SD1863 TRANSISTOR
Q417 2SA1376AA(L,K) TRANSISTOR
Q418 2SC3478AA(L,K) TRANSISTOR
Q601 2SA1576A TRANSISTOR
Q602 2SC4081 TRANSISTOR
Q603 DTC124EUA DIGITAL TRANSISTOR
Q604 2SC3478AA(L,K) TRANSISTOR
Q605,606 2SA1376AA(L,K) TRANSISTOR
Q607 2SC3478AA(L,K) TRANSISTOR
Q608 2SA1576A TRANSISTOR
Q609-611 2SC4081 TRANSISTOR
Q612 2SD1863 TRANSISTOR
TH1 NT732ATTD103J THERMISTOR
AUDIO UNIT (X09-5820-14)
E1 : KAC-9103D (Europe) K: KAC-9103D (North America) M1 : KAC-9103D (Other Areas)

15
KAC-9103D
Chip capacitor
Code L W T
Empty 5.6±0.5 5.0±0.5 Less than 2.0
A 4.5±0.5 3.2±0.4 Less than 2.0
B 4.5±0.5 2.0±0.3 Less than 2.0
C 4.5±0.5 1.25±0.2 Less than 1.25
D 3.2±0.4 2.5±0.3 Less than 1.5
E 3.2±0.2 1.6±0.2 Less than 1.25
F 2.0±0.3 1.25±0.2 Less than 1.25
G 1.6±0.2 0.8±0.2 Less than 1.0
H 1.0±0.05 0.5±0.05 0.5±0.05
Chip resistor
Code L W T
E 3.2±0.2 1.6±0.2 1.0
F 2.0±0.3 1.25±0.2 1.0
G 1.6±0.2 0.8±0.2 0.5±0.1
H 1.0±0.05 0.5±0.05 0.35±0.05
• Rating wattage
Code Wattage Code Wattage Code Wattage
1J 1/16W 2C 1/6W 3A 1W
2A 1/10W 2E 1/4W 3D 2W
2B 1/8W 2H 1/2W
(Less than 10pF)
Code B C D F G
(pF) ±0.1 ±0.25 ±0.5 ±1±2
CAPACITORS
C C 4 5 T H 1 H 2 2 0 J
1234 56
1 = Type ... ceramic, electrolytic, etc. 4 = Voltage rating
2 = Shape ... round, square, etc. 5 = Value
3 = Temp. coefficient 6 = Tolerance
• Temperature coefficient
1st Word C L P R S T U
Color* Black Red Orange Yellow Green Blue Violet
ppm/°C0–80 –150 –220 –330 –470 –750
• Tolerance (More than 10pF)
Code C D G J K M X Z P No code
(%) ±0.25 ±0.5 ±2±5±10 ±20 +40 +80 +100 More than 10µF : –10~+50
–20 –20 –0 Less than 4.7µF : –10~+75
• Voltage rating
2nd word ABCDEFGHJKV
1st word
0 1.0 1.25 1.6 2.0 2.5 3.15 4.0 5.0 6.3 8.0 –
11012.5 16 20 25 31.5 40 50 63 80 35
2 100 125 160 200 250 315 400 500 630 800 –
3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 –
• Chip capacitors
(EX) C C 7 3 F S L 1 H 0 0 0 J Refer to the table above.
12345 67 1=Type
(Chip) (CH, RH, UJ, SL) 2 = Shape
3 = Dimension
(EX) C K 7 3 F F 1 H 0 0 0 Z 4 = Temp. coefficient
12345 67 5=Voltage rating
(Chip) (B, F) 6 = Value
7 = Tolerance
RESISTORS
• Chip resistor (Carbon)
(EX) R D 7 3 E B 2 B 0 0 0 J
12345 67
(Chip) (B, F)
• Carbon resistor (Normal type)
(EX) R D 1 4 B B 2 C 0 0 0 J
12345 67
1 = Type 5 = Rating wattage
2 = Shape 6 = Value
3 = Dimension 7 = Tolerance
4 = Temp. coefficient
CC45 Color*
2nd Word G H J K L
ppm/°C±30 ±60 ±120 ±250 ±500
Example : CC45TH = –470±60ppm/°C
• Capacitor value
010 = 1pF 2 2 0 = 22pF
100 = 10pF
101 = 100pF Multiplier
102 = 1000pF = 0.001µF 2nd number
103 = 0.01µF 1st number
L
W
T
• Dimension
PARTS LIST

KAC-9103D
SPECIFICATIONS
CEA-2006
RMS Watts per channel @ 4Ω, 1% THD+N ........... 500W x 1
Signal to Noise Ratio (Reference:1W into 4Ω)...........94dBA
Audio Section
Max Power Output...................................................... 1800W
Rated Power Output (+B=14.4V)
(4Ω) (20Hz~200Hz, 0.5% THD) .......................... 500W x 1
(4Ω) (DIN45324, +B=14.4V) ............................... 500W x 1
(2Ω) (100Hz, 1.1% THD) .................................... 900W x 1
(1Ω).................................................................. ≥900W x 1
Frequency Response (+0, -3dB) .........................5Hz~200Hz
Sensitivity (rated output)
MAX ............................................................................ 0.2V
MIN ............................................................................. 5.0V
Input Impedance ........................................................... 10kΩ
Signal to Noise Ratio................................................... 100dB
Class D Mono
380 mm
320 mm
Ø6
272 mm
258 mm
286 mm
Low Pass Filter Frequency (-24dB/oct.) ... 50~200Hz (variable)
Infrasonic Filter Frequency (-18dB/oct.) ....................... 15/25Hz
Phase Inverter............................ 0° (Normal)/180° (Reverse)
Bass Boost Circuit................................... 0~+18dB (variable)
Bass Boost Frequency .................................................. 40Hz
General
OperatingVoltage......................... 14.4V (11~16V allowable)
Current Consumption ...................................................... 60A
Installation Size (W x H x D)
...........380 x 64 x 286mm (14-15/16 x 2-1/2 x 11-1/4 inch)
Weight .............................................................4.1kg (9.0 lbs)
KENWOOD follows a policy of continuous advancements
in development. For this reason specifications may be
changed without notice.
INSTALLATION