Kenwood KAC-9104D User manual

SERVICE MANUAL
This product uses Lead Free solder.
This product complies with the RoHS directive for the European market.
© 2008-1 PRINTED IN JAPAN
B53-0611-00 (N)519
KAC-9104D
CLASS D MONO POWER AMPLIFIER
BASS BOOST
LEVEL[dB]
LPF
FREQUENCY[Hz]
INPUT
SENSITIVITY[V]
[MIN] [MAX]
OFF 15Hz
ISF
LINE IN LINE OUT
25Hz
PHASE
SP LEVEL INPUT
SIGNAL SENSING
TURN-ON
FUSE[30Ax2] P.CON
POWER IN SPEAKER OUTPUT
180û0û
Accessories
(W01-1606-05)
Screw & wrench key set
(N99-1820-05)
Connecting cord assy
(E30-6145-05)
19cm
Dressing Panel
(A21-6637-01): (E,K type)
(A21-6638-01): (M type)
M type
E,K type
Fuse (30A)
(F52-0015-05)

2
KAC-9104D
BLOCK DIAGRAM
FREQ
(50~200Hz)
LEVEL
SIFT
D-AMP
ON/OFF
DRIVE FINAL
MOS-FET LC FILTERCOMP DEAD TIME
SUMMING
AMP
TRIANGLE
WAVE
SP
OUTPUT
BATT.
GND
P-CON
THERMAL
DET
OVERLOAD
DET
DC-OFFSET
DET
MUTE ATT
±15V
AVR
POWER
ON/OFF
±B+HB
AVR
LC FILTER
ISO-AMP
SP INPUT
LINE IN
L
R
(0.2~5V)
L+
L-
R-
R+
LEVEL
0~18dB
NF
DC/DC
CON
I.S.F
SEL.
Bass
Boost
SENS.
VOL
L.P.F
I.S.F
15Hz
25Hz
FREQ=40Hz
LINE OUT
L
R
INV
SEL
+6dB 6dB
+35dB
AUTO
P-CON
0
10
20
dB
30
40
50
D CLASS POWER AMPFILTERISO AMP
LEVEL DIAGRAM
IC1 IC2(2/2)
IC3(1/2)
IC3(2/2) IC4 IC5
Q313,314Q315
IC6(2/2)
IC6(1/2)
IC7 IC8,9 Q102-104,108,109
Q105-107,
Q110-112 Q701-704
Q101
IC13 IC17 (2/2) Q307-311
Q24-27 D21,22 Q30
IC15
Q2,3Q4,5

3
KAC-9104D
COMPONENTS DESCRIPTION
●AUDIO UNIT (X09-8750-10)
Ref. No. Application / Function Operation / Condition / Compatibility
IC1 Isolation amplifier Isolates noises caused by potential differences in GND
IC2 Phase Change phase (0° →180°)
IC3 INFRA SONIC FILTER Cuts off ultra low frequency of audio signal
IC4 LOW PASS FILTER Cuts off high frequency of audio signal
IC5 BASS BOOST Bass boost (Variable level)
IC6 (1/2) Triangular wave generation Generates reference signal for digitalizing analog signal
IC6 (2/2) Error amplifier Compensates errors by feedback from the output
IC7 Comparator Digitalizes by comparing analog signal with triangular waves
IC8,9 NAND Generates and shapes the inverted waveform and to create dead time in D-
class section
IC10,11,14 Resonance detection circuit Detects short in SP output circuit, measures over current in the circuit, and
activates the protection operation
IC13 Comparator, Control circuit Controls D/D CON and D-class On/Off with the over current detection and
Pcon control signals
IC15 DC/DC converter IC Generates drive signal for switching component
IC16 (1/2)
Attenuation circuit to attenuate input signal by 6dB Attenuates output when temperature in the set becomes too high
IC16 (2/2)
Attenuation circuit to attenuate input signal by 1.5dB Attenuates output when temperature in the set becomes high
IC17 (1/2) Power supply voltage PWM control
Controls the dead time of DC/DC converter when the power supply voltage in
the secondary side becomes too high. Prevents the power supply from pumping
IC17 (2/2) Temperature protection Turns off DC/DC converter when temperature in the set becomes too high
Q1-3 PCON switch Turns on the circuit when ON signal is applied to the PCON circuit
Q4,5 AUTO Pcon Sends DC voltage from SP IN to Pcon control circuit
Q6,7 Mute Generates mute drive signal and turns off LED
Q8,9 DC/DC converter ON/OFF control Turns off DC/DC converter when protection is detected
Q10 4.4V AVR Vef 5V reference AVR
Q11,12 DC/DC converter pulse ON/OFF control ON or OFF of DC/DC converter drive waveform
Q13-16 Gate driver Gate driver in DC/DC converter FET
Q17-22 DC/DC converter DC/DC converter switching
Q23 FAN drive Limits FAN power supply voltage under the rated voltage
Q24-27 AVR ±15V AVR
Q28,29 Tracking when ±15V AVR is turned OFF Matches the trailing edge of “-15V” AVR with that of “+15V” AVR
Q30 HB 15V AVR Stacking AVR to obtain High+B for D-class
Q101,113 D-class amplifier switch Turns the D-class amplifier ON or OFF
Q102-112 Pulse amplification, shaping and level shift Generates the signal that drives the D-class final FET
Q301-304 Current-voltage conversion
Converts current to voltage to detect over current and sends it to the comparator
Q305,306 Resonance detection circuit Detects short in SP output circuit, measures over current in the circuit, and
activates protection operation
Q307-311 Latch circuit Detects abnormal output DC voltage and retains it
Q312 Comparator, Control circuit Controls D/D CON and D-class On/Off with the over current detection and
Pcon control signals
Q313
Attenuation circuit to attenuate input signal by 1.5dB Attenuates output when temperature in the set becomes high
Q314
Attenuation circuit to attenuate input signal by 6dB Attenuates output when temperature in the set becomes too high
Q315 Mute Turns off audio signal
Q701-704 Electric power amplification Switching of D-class high current

4
KAC-9104D
ABCDE
1
2
3
4
5
6
7
PC BOARD (FOIL SIDE VIEW)
W504
12
W503
W508
W506
W507
W505
W502
W501
R162
C24
W153
L1
W144
W145
C143
21
W114
C23
W115
W152
W129
W140
W166
C11
R200
C19
C20
R201
C616
C17
C18
L2
L3
W149
C9
W164
W158
W132
W167
W179
W108
R62 R63
W128
W113
R202
W136
W159
W156
W146
W112
W147
W148
W139
W137
C325
W141
W168
W169
W150
W151
W154
W155
W171
C145
C146
R3
W177
W157
W172
W174
W142
W143
W138
W120
W121
W111
W110
W109
W176
W161
W116
W180
W117
W170
W173
GDSGDS
GDSGDSGDSGDS
W178
W175
W162
W160
W163
W127
W123
W125
W131
W134
W135
W119
W122
W124
W126
W130
W133
W242
W241
W254
C25
R42
R64
W246
R303
C152
C28
R45
R65
W238
R355
R357
C10
C26
C27
W257W258
C323
C324
W240
W239
R30
R36
R39
R40
R43
R46 R47
R50 R51
W243
W244
R356
R358
C12
C13
C147
C148
W255
R34
R37
R38
R41
R44
R48 R49
R52
R53
R54
R55
R56
R57
C619
C151
R188
R189
R190
C149
C150
R35
R197
R198
R199
R
R75
R359
TH1
W253
W248
W250
W249
W247
W252
W251
W245
E
B
85
41
18
916
BEBE
BE
BE
BE
BE BE
BE
BE
E
SDGSDG
SDGSD G
D21
D27 D28
D22
J3
D1
D2
D3
D16
Q17
Q18
Q19
Q20
Q21
Q22
P3
Q704
P1
D35
D15
D25
D26
Q703
Q30
3
P2
Q701 Q702
Q
CN2
CN1
D20
D33
Q10
Q13
Q16
D13
Q9
Q14
Q15
D17
Q8
Q11
Q12
IC15
IC17
AUDIO UNIT
X09-8750-10 (J76-0475-11)
X09-8750-10
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC1 5H IC6 4H IC11 3I IC17 5D Q5 5I Q10 5B Q15 5B Q20 4B Q25 2G
IC2 5H IC7 4H IC13 3H Q1 4H Q6 4G Q11 5B Q16 5C Q21 4B Q26 2F
IC3 5G IC8 4I IC14 3H Q2 4H Q7 3G Q12 5C Q17 3B Q22 4B Q27 2I
IC4 5G IC9 4H IC15 5B Q3 4G Q8 5B Q13 5B Q18 3B Q23 3F Q28 2I
IC5 5F IC10 3I IC16 5G Q4 5I Q9 5B Q14 5B Q19 3B Q24 2F Q29 2I

5
KAC-9104D
Refer to the schematic diagram for the values of resistors and capacitors.
JIHGF
1
2
3
4
5
6
7
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
Q30 4F Q105 2F Q110 2G Q302 3F Q307 4G Q312 3H Q702 2D
Q101 2G Q106 2F Q111 2G Q303 4F Q308 4G Q313 5G Q703 2E
Q102 2G Q107 2F Q112 2G Q304 4F Q309 4G Q314 5H Q704 2E
Q103 2F Q108 2G Q113 2G Q305 3H Q310 4G Q315 5G
Q104 3F Q109 2G Q301 4F Q306 3I Q311 4G Q701 2C
R66
C1
C5
C7
C131
C134
C319
C129
W33
W100
W74
C34
W99
C35
C33
C138
W15
R73
W96
W91
W105
R67
W106
C310
W71
W104
C124
W77
W44
C3
C4
C15
C16
W79
W76
W90
W92
W94
W72
W101
W103 W165
C122
C32
W108
C31
W83
W19
R121
W37
W38
113
W107
W73
W40
W39
W36
C30
C29
W34
W46
W47
W75
W85
R115
R118
R116
R119
W95
C103
C104
C110
C111 C112
C113 C114
W58
C117
C118
C119
C120
C126
W41
W63
W68 W66
W102
W57
W27
W32
W12
W10
W70
W18
W93
W98 W97
R101
R102
R117
R120
W3
W5
VOLT
CUR
W4
W26
W80
W118
C328
W55
W87
W84
W111
W110
W109
W86
W88
W89
W30
W17
W16
W35
W14
W65
W69
W59
W60
W31
W82
W52
W28
W9
W23
C327
C306
C307
C128
W78
W45
W61
W25
W43
W8
W29
W2
W1
W49
W53
W67
W62
W56
W48
W7
W6
W11
W13
W24
W81
W64
W54
W50
W42
W51
W20
W21
W22
VR1
VR2
VR3
C601
C604
C605
C608
W209
W231
R68
D-SWITCH
R903
C301
R25
R71
R303
C602
C603
C606
C607
R904
C302
R305
W226
R69
R177
R204
R178
R203
R176
R182
C611
R31
R59
C2
W234
W224
C107
C121
C123
W233
R70
R195
W225
R179
R191
R180
R192
R194
C154 C155
R181
R183
R196
R187
R186
R193
C317
W235
C312
R20
R113
R127
R128
R130
R131
R132
R133
R135
R136
R146
R149
R10
R13
C142
C101C102
C115
R103
R104
R108
R109
R112
C144
C105
C106
C108
C109
C125
C127
W230
C617
R309
R311 R338
R308
R337
R8
R9
R21
R22
C303
C304
R60
R61
R72
R105
R106
R107
R110
R111
R114
R122
R123
R124
R126
R129
R134
R137
R138
R139
R140
R141
R142
R143
R144
R145
R147
R148
R150
C315
C313
C314
C316
R307
R310 R343
R336
R335
C311
R340 R341
R342
R306
R339
R184
R185
W259
R12
R11
R198
R301
R302
R304
W207
R901
R902
C153
R125
R374
R353
R352
R354
W256
R373
R372
C322
W223
R371
W228
R361
W202
W201
W205
W211
W215
W220
W219
W232
W229
C610
R172
R367
R168
R166
C615
C137
R173
R322
R33
R24
C609
R368
C318
C320
R344
R347
R1
R5
R7
C8
C130
C140
C139
C321
C308
R4
R2
R29
R153
R154
R160
R167
R324
R350
R346
C6
C614
C132
C612
C135
C136
C309
C613
C326
R6
R23
R26
R27
R28
R32
R151
R369
R155
R156
R157
R158
R159
R161
R175
R174
R163
R165
R164
R171
R169
R170
R325
R323
R345
R348
R349
R152
C305
R360
R327
R320
R328
R351
R332
R314
R364
R366
R315
R333
R365
R334
R330
R329
R317
R319
R313
R318
R362
R321
R316
R331
R312
R363
W203
W212
W204
W206
W210
W213
W218
W214
W216
W217
W227
W208
W222
W22
INPUT SENS
INV
L.P.F
I.S.F
B.B
BE
EB
EB
EB
EBEB
EB
E
EB EB
B
EB
EB
EB
EB
EB
85
14
85
14
85
14
85
14
85
14
85
14
85
14
85
14
85
14
41
58
41
58
41
58
17
814
17
814
E
B
BE
BE
BE
BE
BE BE
BE
BE
BE BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BE
BEBE
G
D12
Q25
Q108
Q103
Q104
Q106
Q105
Q109
Q3
D110
D305
D10
D11
D14
D106
D27 D28
Q301
Q27
Q302
Q23
J1
J2
D7
D25
D26
Q30
Q303
Q304
D30
D32
Q24 Q26
Q111
Q110
S2
S3
D102
D104
Q28
Q113
D29
D103
D105
D113
D23
D24
Q29
Q102
Q101
Q112
D13
D18
Q4
D302
D301
D309
D19
D101 Q305
Q5
Q107
D308
D307
D34
Q313 D315
D316
D109
D310
Q307
Q311
D9
D108
Q1
Q2 Q7
Q315
Q314
Q308
Q309
Q310
D5
D4
D6
D8
D112
D111
D107
D311 Q6
D303
D304
D314
D312
D313
Q306
Q312
D306
IC1
IC2IC3
IC4
IC5
IC14 IC10
IC7IC6
IC8
IC9
IC16
IC11
IC13

6
KAC-9104D
X09-8750-10 (1/3)
ABCDE
1
2
3
4
5
6
7
84.5V
-84.5V
IC7
(X09-8750-10)
R173 4
136
3
15K 10K
R70
C32
47u25
R71
C31
47u25
2.2
R903
C26
0.01
R69
4.7K
47u25
TP107
C30 C29
47u25
C27
0.01
R902
R67
47K
100
C28
0.01
R68
TP110
820
TP106
R901
100
R66
47K
C25
0.01
R904
2.2
TP91
TP78
W502
W506
47u25
R62
22
1/2W
3300u100
TP97
R63C20
TP98
3300u100
C24
22
1/2W
1000P
C19 TP90
C23
TP88
1000P
TP85
TP89
TP86
L3
W507
W501
56K
R73
47u25
TP93
C35
C34
100K
47u50
5.6K
C33
R72
TP92
680
C138
47u25
R172
1.1K
TP210
C140
56P
R175
10K
2
7
5
4.7K4.7K
R51
W508
R50
R47
1.5K
R46
1.5K
TP77
10
98
C139
TP212
R174
10K
47P
12
98
11
56
4.7K
R108
15K
R116
10u50
47K
C104
10u50
1000P
10
12
78
9
34
56
L+
R-
L-
2.2K
R+
2.2K
R115
TP140
TP133
R102
1K
C102
TP154
10u50
47K
C114
C113
10u50
47K
R120
R119
C112
C111
10u50
R118
R117
47K
R106
27K
R104
10K
R109
10K
1000P
C103
10u50
C101
R101
1K
TP132
TP130
R105
R103
10K
27K
R107
1K
TP138
4
2
38
C119C118
8
6
TP144
R156
47K
36
C128
10u50
R368
150K
R367
TP208
R152
R125
8.2K
R151
2K
2K
C131
47u25
TP209
114 4
R369
10K
TP205
R153
1u50 R155
33K
6.8K
R154
R157
TP191
C130
0.1
1K
75
R167
C129
R166
10K
TP142
TP145
330P
3
4
21
8
TP200
C135 TP199 6.8K
10K
TP197
0.01
R165
C136
5V-
TP201
R164
4
R124
10K
3
2
R128
C117
10u50
1
TP193
TP192
TP213
R161
68K
C134
3300P
TP214 TP215
R162
24K
R159
10K
R171
3.9K
1K
470 5
67
TP196
R160
10K
TP194
R179
TP218
R191
R192
680
4.7K
10K
TP299
R177
R178
1.8K
1.8K
R180
C153
6800P
V+
7
8
TP202
2 1
TP204
R169
6.2K
4
R130
30K
1u50
TP162
1u50 5
1
R
6
5
33P
R111
10K
1
C108
TP143
7
6
5C110
10u50
14
8
TP156
3
2
6 5
7
TP161
TP160
R129
3.9K
8
4
7
C603
0.01
TP223
TP224
56
R49
56
R48
1
3
2
3 1 2
3900u16
C17
3900u16
C18
1
2
1 2
R64 47KR65 47K TP100
TP101 TP102TP105
TP104
TP103
TP114
TP116
TP115
TP117
TP113
TP111
TP112
TP118
10
TP135
TP131
TP137
0.01
C115
33K
R110
47P
C106
100P
C107
10K
R113
75K
R122
75K
R123
10K
R114
100P
C109
0.01
C601
0.01
C602
R126 10K
47K
R127
TP153
TP152
TP151
TP150
TP155
C132 47P
680K
R158
C609 0.01
0.01
C610
R170 10K
R168 6.2K
R163 10K
10K
R112
5.6K
R121
33P
C105
TP216
TP94
TP95
0.01
C137
13
14
TP64
TP65
B
+B
+15V
15V 15V
+15V
+15V
15V
HB HB
HB
+B
+B
+15V
15V
+
+
++
+
+
+
+ +
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
R54 47 R53 47 R52 47R55 47
R56 47 R57 47
Q26
Q29
Q27
D24 D23
Q28
Q25
Q24
D22
Q22 Q21 Q20 Q16
Q1
2
D17
Q18
D28
D21
Q19
Q30
D27
D26
D25
D29
D109
D110
D112
Q15
Q14
Q17
Q13
IC8
(3/4)
D111
(3/4)
IC9
Q10
8
(1/2)
D30
D32
INPUT
SP
J2
RL
D101
D104D105
D103
IN/OUT
RL
J1
D102
D315
Q313 Q314
Q315
(1/4)
IC8
IC8(2/4)
IC6
(1/2)
(2/2)
IC2
Q101
(4/4)
IC8 IC9
(2/4)
IC6(2/2)
D108
Q102
D113
D107
D106
Q
IC1
(2/2)
IC1
S3
IC2
(1/2)
(1/2)
IC3
ISO. AMP
OFF/ON
PHASE SW
INFRA
FILTER
SONIC
ATT MUTE
DC/DC CONVERTER

7
KAC-9104D
X09-8750-10 (2/3)
JIHGF
1.6V
1.6V
15.0V-15.0V
98.6V
1.8V
3.5V
IC15
IC10
16K
R137
10K
1
.
5K 1
.
5K
10K
R365
4.7K
R366
10K
TP71
R364
0.01
C326
TP69
1K
13
2
R360
R362
TP68
10u50
C328
R373
4.7K
R372
10K
7
10K
R374 58 R371
1K
C322
0.01
4
6
R353
15K
R354
470K
R352
16K
4
.7K
R194
910
2.2u50
86
9
TP218
R
191
R193
R192
680
TP225
K
TP299
1.8K
R180
1
53
00P
TP165
4
30K
5
R131
6.8K
TP164
7
10K
R176
R132
24K
R135 R136
47K
10K
TP170 3
2
2
9
K
TP163
C120
C603
0.01
C604
0.01
TP167
TP168
TP171
TP169
R309
15K
R202
2W
10
R196 R195
TP249
TP54
TP53
1500P
8
7
6
5
4
3
2
1
C325
TH1
TP61
1
TP57
R40
10K
100K0.01
C12
2
4
TP56
R41
R358
R356
TP76
3.3K
C324 0.1
TP55
38
TP51
9.1K
10u50
R75
TP60
10K
47u25
R35 390 10K
C11
10K
R30
TP300
TP301
R37
R38
10
C9
47u25
15K
R357
R355
10K
5
67
TP238
R197
47K
0.02
R201
5W
C143
R31
1.2K
11
GND
C1
RT
E1
E2
C2
9
10
OUTCTRL
FBACK
CT
DTC
IN1+
IN1- 14
VCC
REF
12
13
IN2-
IN2+ 15
16
R28 R27
TP48
C145 C146
10 10
C303
1000P
V+
7
81
T
R148
C124
3.3K15K
TP176
R302
3.3K
R301
3.3K
4
8
680
TP227
51
R185
R184
R182
750
180
150
51
R199
R198
10
R188
47K
R186
R183
R181
470
51
R189
R187
51 51
R190
10
10
4.7
TP247
2
3
TP223
1
C121
0.15
C142
0.068
0.02
R200
5W
R143
12K
C123
0.068
1
R142
15K
5
0.15
C144
15K
R144
6
0.033
TP258
R305
3.3K
C302
1000P
TP257
TP260
TP262
R304
510K
C611
0.01
R308
4.7K
TP263
5
6V-
2
4
3
TP275
R322
10K
TP261
R323
1K
TP274
C308
1000P
12
13
7
14
1
1000P
C301
R303
3.6K
TP185
TP187
TP180
R146
150K
7
C125
0.1
6
4
85
R147
7
240
C126
4.7u50
T
2.2K
TP184
R149
10K
TP173
TP172
R138
R140
2.2K
R139
15K
R141
TP174
TP175
TP179
2.2K
R145
0.01
C606
L2
TP43
TP259
TP245
TP242
TP241TP239
TP234 TP233
TP229
TP231
TP224
TP228
TP230
TP243TP240
TP244
1000P
C10
150K
R34
22K
R36
R42 220K
R44 5.1K
R45 220K
R43 5.1K
C13 0.01
10K
R39
R359 330K
C323 0.1
0.01
C617
12K
R361
470K
R363
(A)
10K
VR1
430
R133
1K
R134
VR2
50K
(C)
0.022
C122 VR3 10K (C)
0.01
C607
0.01
C608
0.01
C605
TP64
TP65
14
13
10u50
C327
9
10
27K
R307
2.2K
R306
73
9
10
B
+B
+B
B
BUBU
SW14V
SW14VSW14V
HB
+B +B
+15V
15V
+15V
+15V
15V
+15V +15V
15V 15V
++
+
+
+
+
62uH
10u100
C154
10u100
C155
R204
100K
R203
100K
++
Q12
D17
Q11
(1/2)
IC16
D314
IC16
D316
(2/2)
Q108
Q101
Q102
D113
Q113
(1/2)
IC3 S2
D35
D16
Q10
IC17
(1/2)
D15
Q8
D34
Q9
(2/2)
IC17
Q112
Q109
D10
D11
D13
D12
Q
6
Q7
Q
D312
D301
Q703
Q701
Q110 Q111
Q107
Q105
Q104
Q103
Q106
Q704
Q702
IC3
(2/2) (1/2)
IC4
Q303
Q301
D302
Q302 Q304
IC9
(4/4)
IC4
(2/2)
(2/2)
IC5
INPUT SENS
I.S.F
OFF/15Hz/25Hz 18dB
L.P.F
50-200Hz 24dB GAIN=0
0-+18dB F=40Hz
B.B
LOGO-LED
ATT-6dB
ATT-1.5dB
INFRA
FILTER
SONIC
D AMP SW
D CLASS DRV
D CLASS FINAL
CURRENT DET
PUMPING PROTEC
THERMAL
PROTEC
DC/DC CONTROL
M
U
4.4V

8
KAC-9104D
X09-8750-10 (3/3)
ONMLK
1
2
3
4
5
6
7
IC13
KAC-9104D
2
1
C16
10u50
TP297
R61
1K
TP298
C15
10u50
TP296
TP295
R60
4.7
R59
680
28
TP267
R319
R22
2.2K
TP47
TP31
C619
10
R32
2.2K
C8
0.01
TP37
R351
10K
1
.
2K
R28 R27
C6
0.01
R26
33K
100
10u50
C7
75K
R23
4.7K
C5
10u50
C4
0.01
36K
R25 R24
36K
R350
2.2K
C321
33K
R33
TP302
C148C147
0.10.1
TP126
TP125
R349
10K
R12 47K
R347
R348
22K
R11 47K TP251
TP250 TP252
C304
R21 100K
R4
R2
6.8K
1.5K
30A X 2
GND
R5R6
10u50 10u50
C3
4.7K
R8
TP46
C319
100u10
R346
33K
R7
3.9K
10u50
C1
4.7K
3.9K
R1
L1
10K
R3
2
1
R315
12K
R314
10K
R345
C320
0.01
22K
TP127
TP129
TP128
82K
R344
2.2K
R312
1K
R310 220K
0.68
76
5
C616
10u50
C152 1
C151 1
0.1 0.1
TP14
TP23
C150 C149
6
7
5
4
3
2
1
C306
10u50
R316
1.3K
1
4
R321
24K
R320
10K
C307
10u50
20K
3
FUSE
FUSE
BATT.
SP OUT
P-CON
SP OUT
TP278
TP264
R148
R324
330K
C611
0.01
12
13 C309
0.47
7
C615
0.01
14 11
1K
R325
TP182
2.2K
4
R149
10K
TP183
R150 2.2K
1
C127 100P
3
2
C614
0.01
V+
TP268
TP304
R311
10K
TP266
R313
20K
0.01
C612
TP279
1
23
R328
10K R327
10K
R329
20K
8
7
6
5
4.7K
R333
R317 20K
0.01
4.7K
C613
R330
22K
R332
10K
TP282
2
1
R331
100K
3
4
V-
TP284
R334
47u25
C310
R339
2.2K
C316
C317
0.01
R343
100K
R342
1K
C315
0.033
0.022
TP303
R340
1K
R341
1K 7
R337
22K
R338
10K
0.033
6
5
TP290
C314 C313
0.010.033
C312
R335
100K
TP285
1500P
C311
1
4
3
82
TP289
TP287 TP286
TP294
W504
TP8
TP9
TP10
TP12
TP13
TP11
TP7
TP1
TP5
TP6
TP2
TP3
TP4
TP308
TP312
TP310
TP309
TP311
TP305
TP306
TP307
W503
W505
TP15
TP16
10K
R29
TP42
TP41
TP39
TP43
TP32
TP33
TP30
TP29
TP27
TP26 TP24
TP25
TP22
TP21
TP20
TP18 TP19
TP17
20K
R318
C305 0.01
TP288
R336 100K
TP276 TP277
3
7
1
0K (C)
0.1
C318
73
BU
BU
SW14V
SW14V
+15V
15V
+
+ +
+ +
+
+
+
+
+
+
TP34
C2
R20
10K
0.047
R10 10K
R9
10K
20K
1K
R13
2SA992-A(F,E)Q27,108,109 :
Q104
Q107,112
Q105,106
Q110,111
Q302,303
Q301,304
Q701-704
D1-3
D5
D4,29
D6,8,33,34,111-113,
Q311
D13
D9,307,308,310
D18
D19,20
D22
D23,24
D21
D17,102,104
D7,10-12,14-16,25-28,30,
D109
D107,108
D313
D103,105,306
D101 UMZ6.8N:
UDZS6.2B
UDZS5.1B
UDZS5.6B
LM1MA142WA-G
:
:
:
:
301-304,309,311,312,
LM1MA142WK-G
UDZS16B
FRH20A20
FCH20A20
B30-1770-05
UDZS12B
B30-1743-05
UDZS10B
1SS133
1SS355
:
:
:
:
:
:
32,35,106,110,305
314-316
:
:
:
:
IRFP250NPBF
UDZS6.8B
UDZS15B
1N5406-TSC
DTA124EUA
2SA1376AA(L,K)
2SC3478AA(L,K)
2SC3902
2SB1427
2SC3415S
2SA1370
:
:
:
:
:
:
:
:
:
:
:
D19
D33
CN1
D20
D18
Q23
IC7,10,13
IC1-6,11,14,16
IC15
IC17
Q1,2,4,10,101,305,308-310,
IC8,9
Q9
Q7,13,16
Q8,11,12,113,312
Q14,15
Q23,30
Q17-22
Q26
Q25,103
Q24
Q5,6,28,29,102,306,307
Q3 2SB1241
2SA1577
2SA1859ANF
2SC1845-A(F,E)
2SC4883ANF
2SD1863
STP60NF06FP
DTC114EUA
DTA114EUA
2SC4097
2SA1576A
:
:
:
:
:
:
:
:
:
:
:
2SC4081
SN74HC00D:
313-315
:
:
:
TL494IDR
BA10358F
:
:
BA2903F
BA4560RF
(1/2)
Q305
P2
D14
D10
D11
D13
D12
Q6
Q7
D9
D8
Q309
Q311
P3
Q312
D313
D312
D311
Q307
Q310
Q1
P1
J3
CN2
D2
D310
D7
Q2
D6
Q3
D5
D4
D3
Q308
Q306
D1
(2/2)
IC11
D303
D305
IC9
(4/4)
IC5(1/2)
IC11
D306
(1/4)
IC9
D304
D309
IC14(2/2)
IC14
(1/2)
D308D307
SW14V
BAR-LIGHTING
LOGO-LED
FAN
SIGNAL LINE
B LINE
B LINE
GND LINE
MUTE
FAN
+11V
SW
P-CON
LATCH
RESONANCE
DET
RESONANCE
DET
Q5
Q4
CAUTION : For continued safety, re-
place safety critical components 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 measure-
ments shall be carried 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.
2SA992-A
2SC1845-A
B
C
E
2SA1576A
2SC4081
DTA114EUA
DTA124EUA
DTC114EUA
BA10358F

9
KAC-9104D
EXPLODED VIEW
Parts with the exploded numbers larger than 700 are not supplied.
3
2
1
BA
(X09-875)
J1
J2
J3
VR2
VR1
VR3
F1
F2
17x4
714
21
12
6
6
Bx2
1
20
5
D
8
10
9
E
E
Gx2
Yx2
Zx5
C
H
C
C
E
E
3
E
E
E
E
E
E
C
723
717
Ax8
Ax6
Ex3
Ex2
F
F
715
718
719
16
E
702
Ex4
Ex3
A
B
C
D
E
F
G
H
Y
Z
φ2.6x13
M4x8
φ3x10
φ3x6
φ3x8
φ3x16
φ3x10
φ2x8
M6 AU
M4 AU
: N09-6365-05
: N09-6726-05
: N80-3010-43
: N89-3006-43
: N89-3008-48
: N89-3016-48
: N09-6447-05
: N80-2008-43
: N07-0003-08
: N09-4214-08

PARTS LIST
Ref. No. A
d
d
N
e
wParts No. Description Desti-
nation
E1 : KAC-9104D (Europe) K: KAC-9104D (North America)
M1 : KAC-9104D (Other Areas)
Ref. No. A
d
d
N
e
wParts No. Description Desti-
nation
✽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.
KAC-9104D
10
Indicates safety critical components.
1 1B
✽
A21-6637-01 DRESSING PANEL KE1
1 1B
✽
A21-6638-01 DRESSING PANEL M1
3 2B
✽
A64-4420-02 PANEL
5 2B B07-3231-03 ESCUTCHEON
6 1A B07-3232-02 ESCUTCHEON
8 2A B19-2324-03 LIGHTING BOARD
9 2A B19-2468-03 LIGHTING BOARD
10 2A B19-2502-03 LIGHTING BOARD
-
✽
B64-3925-00 INSTRUCTION MANUAL (ENG.FRE.SPA KE1
-
✽
B64-3926-00 INSTRUCTION MANUAL (GE.DU.IT.PO E1
-
✽
B64-3927-00 INSTRUCTION MANUAL (ENG.S-CHI.) M1
12 1A E30-6145-05 CONNECTING CORD ASSY
16 3A F09-2974-05 FAN
17 2A
✽
F20-2450-04 INSULATING SHEET
F1,2 F52-0015-05 FUSE (BLADE TYPE) 30A
-
✽
H54-4228-03 ITEM CARTON CASE KE1
-
✽
H54-4230-03 ITEM CARTON CASE M1
20 1A N99-1820-05 SCREW & WRENCH KEY SET
A 2A N09-6365-05
SEMS (TAPTITE SCREW) (2.6X13)
B 1B N09-6726-05 DRESSED SCREW (M4X8)
C 3B N80-3010-43 PAN HEAD TAPTITE SCREW
D 2A N89-3006-43
BINDING HEAD TAPTITE SCREW
E 3B N89-3008-48 BINDING HEAD TAPTITE SCREW
F 3A N89-3016-48 BINDING HEAD TAPTITE SCREW
H 3B N80-2008-43 PAN HEAD TAPTITE SCREW
Y 2B N07-0003-08 TERMINAL SCREW (M6 AU)
Z 2B N09-4214-08 TERMINAL SCREW (M4 AU)
21 1A W01-1606-05 ACCESSORIES
C1 CD04BJ1H100M ELECTRO 10UF 50WV
C2 CK73GB1H473K CHIP C 0.047UF K
C3-5 CD04BJ1H100M ELECTRO 10UF 50WV
C6 CK73GB1H103K CHIP C 0.010UF K
C7 CD04BJ1H100M ELECTRO 10UF 50WV
C8 CK73GB1H103K CHIP C 0.010UF K
C9 CD04BJ1E470M ELECTRO 47UF 25WV
C10 CK73GB1H102K CHIP C 1000PF K
C11 CD04BJ1E470M ELECTRO 47UF 25WV
C12,13 CK73GB1H103K CHIP C 0.010UF K
C15,16 CD04BJ1H100M ELECTRO 10UF 50WV
C17,18 CD04BC1C392M ELECTRO 3900UF 16WV
C19,20 C91-2293-05 METAL-PF C 1000PF 200WV
C23,24
✽
C90-6862-05 ELECTRO 3300UF 100WV
C25-28 CK73GB1H103K CHIP C 0.010UF K
C29-32 CD04BJ1E470M ELECTRO 47UF 25WV
C33 CD04BJ1H470M ELECTRO 47UF 50WV
C34,35 CD04BJ1E470M ELECTRO 47UF 25WV
C101,102 CK73GB1H102K CHIP C 1000PF K
C103,104 CD04BJ1H100M ELECTRO 10UF 50WV
C105 CC73GCH1H330J CHIP C 33PF J
C106 CC73GCH1H470J CHIP C 47PF J
C107 CC73GCH1H101J CHIP C 100PF J
C108 CC73GCH1H330J CHIP C 33PF J
C109 CC73GCH1H101J CHIP C 100PF J
C110-114 CD04BJ1H100M ELECTRO 10UF 50WV
C115 CK73GB1H103K CHIP C 0.010UF K
C117 CD04BJ1H100M ELECTRO 10UF 50WV
C118,119 CD04BJ1H010M ELECTRO 1.0UF 50WV
C120 CD04BJ1H2R2M ELECTRO 2.2UF 50WV
C121 CK73GB1H683K CHIP C 0.068UF K
C122 CQ93FMG1H223J MYLAR 0.022UF J
C123 CK73GB1H683K CHIP C 0.068UF K
C124 CQ93FMG1H333J MYLAR 0.033UF J
C125 CK73GB1H104K CHIP C 0.10UF K
C126 CD04BJ1H4R7M ELECTRO 4.7UF 50WV
C127 CC73GCH1H101J CHIP C 100PF J
C128 CD04BJ1H100M ELECTRO 10UF 50WV
C129 CD04BJ1H010M ELECTRO 1.0UF 50WV
C130 CK73GB1H104K CHIP C 0.10UF K
C131 CD04BJ1E470M ELECTRO 47UF 25WV
C132 CC73GCH1H470J CHIP C 47PF J
C134 CQ93FMG1H332J MYLAR 3300PF J
C135 CC73GCH1H331J CHIP C 330PF J
C136,137 CK73GB1H103K CHIP C 0.010UF K
C138 CD04BJ1E470M ELECTRO 47UF 25WV
C139 CC73GCH1H470J CHIP C 47PF J
C140 CC73GCH1H560J CHIP C 56PF J
C142 CK73GB1E154K CHIP C 0.15UF K
C143 C91-2295-05 METAL-PF C 1500PF K
C144 CK73GB1E154K CHIP C 0.15UF K
C145,146 C91-2304-05 METAL-PF C 10UF J
C147-150 CK73GB1H104K CHIP C 0.10UF K
C151,152 CK73EB1E105K CHIP C 1.0UF K
C153 CK73GB1H682K CHIP C 6800PF K
C154,155 CD04BJ2A100M ELECTRO 10UF 100WV
C301-303 CK73GB1H102K CHIP C 1000PF K
C304 CK73FB1C684K CHIP C 0.68UF K
C305 CK73GB1H103K CHIP C 0.010UF K
C306,307 CD04BJ1H100M ELECTRO 10UF 50WV
C308 CK73GB1H102K CHIP C 1000PF K
C309 CK73GB1A474K CHIP C 0.47UF K
C310 CD04BJ1E470M ELECTRO 47UF 25WV
C311 CK73GB1H152K CHIP C 1500PF K
C312 CK73GB1H103K CHIP C 0.010UF K
C313-315 CK73GB1H333K CHIP C 0.033UF K
C316 CK73GB1H223K CHIP C 0.022UF K
C317 CK73GB1H103K CHIP C 0.010UF K
C318 CK73GB1H104K CHIP C 0.10UF K
C319 CD04BJ1A101M ELECTRO 100UF 10WV
C320-322 CK73GB1H103K CHIP C 0.010UF K
C323,324 CK73GB1H104K CHIP C 0.10UF K
C325 CD04AU1H100M NP ELEC 10UF 50WV
C326 CK73GB1H103K CHIP C 0.010UF K
C327,328 CD04BJ1H100M ELECTRO 10UF 50WV
C601-615 CK73GB1H103K CHIP C 0.010UF K
AUDIO UNIT (X09-8750-10)
KAC-9104D