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BASS BOOST(B.CH)
OFF ON
A.CH
OFF HPF LPF
FILTER
B.CH
OFF HPF LPF
OPERATION A.CH
STEREO MONO(Lch)
B.CH
80
INPUT SELECTOR
A
LINE IN
A B
STEREO MONO(Lch) A B
1 2 3 4 0.5 0.3 2 3 4
1 0.5 0.3
100 80
80
150 100 150
100 80
150 100
L
GND
150
R
(MIN)5 0.2(MAX) (MIN)5 0.2(MAX) A.CH B.CH INPUT SENSITIVITY(V)
50 LPF 200 50 LPF 200 50 HPF 200 50 HPF 200 B.CH A.CH FILTER FREQUENCY(Hz)
KAC-749S
SERVICE MANUAL
POWER AMPLIFIER
FUSE(30A)
30
BATT. POWER IN SPEAKER P.CON OUTPUT BRIDGED LEFT RIGHT
A
B
POWER AMPLIFIER
LINE OUT A + B
SPEAKER LEVEL INPUT
A B
L
R
© 2001-3 PRINTED IN KOREA B51-7763-00 (K) 3376
KAC-749S
ADJUSTMENT
No. ITEM INPUT SETTINGS OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG. Connect a cassette receiver or CD receiver. Connect a DC voltmeter between TP1/TP2 VOLUME : 0 and J3 (SP.OUT, L+/R-) (A) VR5 (L ch) VR6 (R ch) (B) VR7 (L ch) VR8 (R ch) (X09-) (Normal) 2.5mV (a) (Limit) 1.0-4.0mV
1
IDEL CURRENT
-
VR6 (A-Rch)
(a) Normal: 2.5mV Limit: 1.0-4.0mV
(a) DC Voltmeter
(a) DC Voltmeter
J3
(a)
Lch SP. OUT
DC Voltmeter
VR8 (B-Rch)
(a)
Rch Ach Bch
VR5 (A-Lch) L TP1 (A) R
VR7 (B-Lch) R L TP2 (B)
DC Voltmeter
2
A
B
C
D
E
F
G
H
I
J
PC BOARD (Component side view)
1
R119 R297 C226 R296 C250 W20 C111
C110 W41 W46
C210 W72
W180
W253
J1
R52
W122 W138 R180 W136 E E W142 W145 W140 W139 C26 C15
W252
R197
R117
R174 VR6
R186 R182 R178 B
R43
2
D104
C102
D42
C30
C4 B
Q24
E
W206
W305
W11
W307
R103
3
R22
W117
W119
W124
W367 C218 R240 W353 R236 W23 C220
D8
W130 W150 W160 W152 B B W137
W256
Q106
A ST/M
Q108
Q208
W212
C262
S1
VR1
R318
C308 W368 R138 W17
R152 R156 C154 W113
R304
R70
R230
W257
W242
W194 C253 C254 C230 C229 Q202 E B B E Q201
F.A
W352
SEN.B OFF/ON SEN.A A B B.BOOST HPF/OFF/LPF HPF/OFF/LPF
C155
Q103
Q25
E W87 B
R163 R165
Q31
E R167 B R251
W243 W246 W238 W247 W240 W263 R74 C192
VR4
E
E
Q105
Q107
W5
W351
C151 W90
C161
R270
W358 W357 W361
C261
R259 R257
Q205
Q207
R151
R255
W121 R159 R157
W195
W79 W84
R69
E
E
E
5
D21
D29
C251
W199
E
W226
C292
W360 W355
W38
W31
W35
W28
IC7
R298 7 R248 R198 C128 C36 1
W60
W106 R51 W101
W159 R281 W171 W153
W189 W201 R285
W10
W125
W141 R171 W144 R269
W200 W207 R61
W220 W217
W265 W266 R286
W250 R282 R272 W241
W293
B
W69 C122 W383 R134 C118 R140 W375 W76 C124 R142 R136 8 C120 14 C34 R144 W42 W382 R146 W366 W43 IC2 W365 R145 W44 1 R143 7 C35 R135 C119 R141 C121 W70 C117 R249 R133 R139 W374 C123 R250 R130 R129 R131 R132 C43 W363 C228 14 8 W59 W14 W25 W18
R162
C156
R137
R254
R154
C130
B R164
R166
C160
C258
E
R262
C256
R264
R266
Q102
W158
C129 B
R253
W85
W92 W88
W107 W110 R153 R155 W115 W114 C153
W354
R261
B
C259
R263
Q203
R265
C257
Q101
R161
W192
C255
R72 R292
E
W161
R267
R73
W169 B
B
B
R192
C157
W168
W401
C159
W245
B
W267
S4
W9
W237
W270
W97
Q104
W166 W167
B
C158
C260
B W96
W164 W165
E
B
Q204
Q26
Q32
W249
W255
W261
E
E
R302
E
R306
E
W68
D30
W198
W274
E
D20
W278
W120 E
R168
R260
E
W225
W58 W75
R252
R256
R160
W163
W196
R258
R268
7 1 R232 C40 C302
C162
W384
W57
R158
B
W4
W234
W236
B
C191
B
IC5
C152
W280
C291
W6
R234 8 R320
R244
R246 W56
R59 R60
D22
C252
D31
Q206
W55
D12
W176
W191
W203
W233
C42 W381 R242 14
C222
R30
Q5
W216
W219
R23 R19
W394
R291 R71
R47
R14 W258 W393 W259
W294
S3
Q36
D38
W19
W362
R148 R181
C22
W356
C19 C17 R55 W102 R57 R169 C263 E Q27 B C169 W108 R189 W109 W112 L TP1 1 E Q29 B R53 C163 W131 R287 W132 W133 2 R TH2 E W149 R283 C267
Q213
E VR7 W202
C21 R65
C23 R67
Q212
E R278 R280 W239
W287
W8
Q111
W32 W36 W39 W40 R307 R149 R150 E R183 R177 C303 C167 R179 W47 W51 R187 R310 E B B W74
B Q113 E B R173 R175 C165 VR5
E
R271
E
B
B R275 C265
W290
W2
VR3
R312
R62
R279 W162
S5
C306 4
IC6
1
C304
W148
W172
W186 B E
W197
W213 L R TP2 1 2 B B W227 E
W224
W244 B
W260 E
W271 R64
W89 E E B
R75
C305
R308
A
B
E
B
E
B
E2
1 2
Q115
Q109
Q117
Q215
Q209
Q217
Q216
Q210
Q218
7
3
4
Refer to the schematic diagram for the value of resistors and capacitors.
WH1
6
R315 W359 R316
W173
W193
W248
W269
D34
C25
5
D35 R288
W209
C270
R314 R311 R313
C269 W205
W291
W15 R309 W364 8
R289
R63
C268
W285
E Q33 B
E
B
C266 R290
E R68
Q34
Q35
R284
R276
W304
R273 R277
B B R274
Q214 E
VR8
R66
Q211
W284
D23
W289
D33
B
R185
D27
C264
D32 Q21
D37
E
W211
W232
D4
C224
E
D9
W254
4
(X09-) Ref. No. Add. Ref. No. Add. IC1 3C Q35 6F IC2 5C Q36 5H IC3 3C Q101 5E IC4 4C Q102 5E IC5 4C Q103 5E IC6 6C Q104 5E IC7 5C Q105 5E IC8 4G Q106 4E Q1 4H Q107 5E Q2 4H Q108 4E Q3 4H Q109 7D Q4 4E Q110 1D Q5 4F Q111 6D Q6 3D Q112 2D Q7 4F Q113 6D Q9 4G Q114 2E Q10 4H Q115 7C Q11 4G Q116 1C Q12 3H Q117 7D Q13 1G Q118 1D Q14 1G Q201 5F Q15 1H Q202 5F Q16 1G Q203 5F Q17 1E Q204 5F Q18 1E Q205 5F Q21 6H Q206 4F Q22 6H Q207 5F Q24 3E Q208 4F Q25 5D Q209 7F Q26 4D Q210 7G Q27 6D Q211 5F Q28 3E Q212 5G Q29 6E Q213 6F Q30 3D Q214 5G Q31 5F Q215 7E Q32 4F Q216 7G Q33 6F Q217 6F Q34 6H Q218 7H
AUDIO UNIT X09-5370-10 A/2 (KAC-749S) X09-5390-10 A/2 (KAC-849) (J74-1196-21)
Q116 J2
R222 W13 W16 R221 R121 C126 R196 C150 R122
Q110
E W73 B B W91 W104
Q118
E
Q18
B E
Q17 D18
B E
D17
D16 D15
W184 R36 W222 R34 C9 R39 W223 G D S
Q16
Q14 D14
W279 G D S G D S W281 W282 W283 R35 R33
Q13
Q15
G D S
E3
R218 R220 R219 R217 R120 R118 C109 C112
B W45 R184 C209 C211
E
R37 W262 W275 W276
D19
R38 W228 W229
R44
W123
R188
W78 C166 R176 R190
W105 W126
C14
C16
C13
W185 W181 W182 R41
W235 W303 W400 W295 W298 W300 W264
W129
W146
R42
W221
D1
J3
W21
W27
Q30
B W103 W82 E
E
B W143
W183
R101
C131
CN1
2 1
W170 W179
C164 R172
R170 W135
L2 W387 C45
W370
R127
W128
TH1
Q28
W188
W157
R194
W54 W66
W86
AB/A
Q6 E1
C31 W93 W94 W111 W116 W118
C8 R48 W127 C2 R49
R128
W67 C41 R243 W71 W385 W77
W83
R12 C44
D13
W154
W388
C106
E
C27
W208
W214
R28
R26 B
C12
C10 C28 W277 R31 R32 W288
W24
W33
R229
S6
R11
W389 W390
W7
W30
C307
R303
R301
R9
R305 C301 14 R317
Q4 B E
R8 R10 W204 C1
Q11
B R15
Q12
E E B W297
C6
S2
B ST/M
VR2
R16
W29
C39 R245 1
D39
D6
W151 W99
W210
W215
W34
W37
R6
R237
F.B
R238
D5
W81
B
E
W218
R17 W392 W391
1
16 C5
R191 R7
Q1
7 C219 R241 R235 C223 C217 R239 W380
D40
W177 W395
R319 W372 R233
IC4
W49 W386 W50 C221
R21 W230 C29
E B
8
9
B E E R3 R4 R5
B
R13
R29 C3
C7 R20
Q3 IC8
B
C46
W12
R27
D7
B
E
R1
8 R231
W48
W98
D11
Q9
W268
Q10
Q2 D2
R2
W306
W22
W80
C11
W403
W301
D43
R209 C212 C213 R213 C215 R223 C203 C231 W379 R207 C205 R225 14 R215 C201 8 R295 R211 R205 R195 C204 IC3 R212 R206 C202 C206 R216 W52 7 C216 R226 1 W64 R200 W378 R208 W65 C200 W371 R224 R210 C37 W61 C103 R214 R109 R113 D101 C32 W62 C101 R123 C113 C115 W53 R125 R107 W377 C105 8 14 R115 R111 R105 C104 R112 IC1 R104 W3 C116 R116 R106 R102 R100 7 R126 1 R108 W376 C100 D102 C132 R124 C33 R110 C114 R114
D203
W26
W369
D201
C38
W155 W156
R203
Q112
C168
B
R227
Q114 D24 D26
C20 R54 R58 C170
R201
W63
D202
D204
W100
R294
W95
W187
W190
R204
R202
D103
C232 C214
R228
W147
R25
D28
R24
W175
W302
R56
W251
W402
C18
R40
W174
W178
W134
L1
Q7
R18
D10
W231
D3
B
D36
E B B B E
X09 B/2
Q22
D13
D25
C24
K
L
M
N
O
P
Q
R
S
T
PC BOARD (Foil side view)
1
AUDIO UNIT X09-5370-10 A/2 (KAC-749S) X09-5390-10 A/2 (KAC-849) (J74-1196-21)
(X09-) Ref. No. Add. Ref. No. Add. IC1 3R Q35 5N IC2 5R Q36 5M IC3 3R Q101 5P IC4 4Q Q102 5P IC5 4Q Q103 5P IC6 6R Q104 5P IC7 5Q Q105 5P IC8 4M Q106 4P Q1 4L Q107 5P Q2 4M Q108 4P Q3 4M Q109 7Q Q4 4P Q110 1Q Q5 4O Q111 6Q Q6 3P Q112 2P Q7 4O Q113 6Q Q9 4M Q114 2P Q10 4M Q115 7Q Q11 3M Q116 1Q Q12 4M Q117 7P Q13 1M Q118 1P Q14 1N Q201 5O Q15 1M Q202 5O Q16 1N Q203 5O Q17 1P Q204 5O Q18 1P Q205 5O Q21 6M Q206 4O Q22 6M Q207 5N Q24 3P Q208 4Q Q25 5Q Q209 7O Q26 5Q Q210 7N Q27 6P Q211 5O Q28 3P Q212 5N Q29 6P Q213 6O Q30 3P Q214 6N Q31 5O Q215 7P Q32 5Q Q216 7N Q33 6O Q217 7O Q34 6M Q218 7M
Q15
S D G
Q13 D14
W279 S D G W282 W281 W283 R35 R33 S D G
Q14
Q16
S D G W222 W223
D16 D15
R36 R34 C9 R39 W252 W253 W184 W185
D17
E B
Q17 D18
E
Q18
B
Q118
E B W104 W105 R44 W123 W126 W91
Q110
B W73 W78 E
Q116
E W45 R184 C211 C209 B C112
R37 W262 W275 W276
E3
R218 R220 R219 R217 R120 C109 R118 R117
R122 R222 W16 W13 R221 R121 R196 C126 C150 R197
W228 W229 W235
C13
C16
C14
W181 W146 W182 R41 R43 R42
D19
R38
J2
D1
2
W303
W400 W295 W298 W300
W221
C166 R190 R186 R182 R178 R176 R52
R188 C210 W46 W72
W129
W180
W122 W142 W145 W140 W139 C26 W138 C15 R180 W136 E
R174
C110 W41
R119 C111 R296 C226 R297 C250 W20
J1
J3
W264 W155 W156
W369
R227
Q114
C170
Q112
C168 W63
R203
B
C215
C38 C205 8 R205 R206 C206 7 W371 R208 W26 R207
D201
E
B
VR6
C212
W178
W174
W100
R294
W95
D204
D202
W134 R40 R54
D26
C20 R58
D24
C18 R56
R295 R195
R209 R213 C213 R223 C231 W379 R225 R215 14 R211 R212 R216 C214 C232
D203
W190
W187
W402
W251
W302
W175
W301
W147
R228
R25
W188
W183
W143
W157
TH1
W179 W170
W62 W82 W53
C131
L2 W387 W307 C45 W305
W370
CN1
1 2
R170 W135
C164 R172 C30
W103
C32 R107 8 C105 R105 R106 7 R108 C33
D101 D104
R103
W11
W206
Q24
E B
C4
W86
W80
W66 W54
W306
R28
W214
W208
C12 W388
C27
W288
W385 W71 R243 C41 W67
W30
W77
R229
W33
W24
W7
R31 E E W268 E B E 9
W390 W389
R32
R11 E B Q4 R9 R8 R10 W204
R303
Q12
W297 B
Q11
B R15
W111 W116 W118
W93 W94 W98 W48
R1
R2 C46
Q9
B R16 8
D11
W215 W210
14
R231 8
D39
R245
W37
R20
Q1
W254
D4
E
W124
W233
D12
W394 R19 C291 C191
R22
R291 R71
R23
W219
Q5 Q206
W216 W203
R30 W191 W176 C252
W119
W117
W232
W211
E
4
R7 R191
16 C5 R14
1
W256
R17 W392 W391 R47
W218
D9
W81
E
B
R239 C217
D8
W150 W160 W152 B B W130
C224
C222 W55 R59 R60 R152 C152 W56 R246 W57 W75 W58 R244 W384 1 W383 R318
Q108
W137
C162
Q208
W212
R268
C262
W196
W225
W278
W274
W113 C154 R156 R154
W257
W255
W242
W261
W249
E
E
Q201 E B B Q202 C229 C230 W194 C253 C254
E
W198 R254 B
R306
R302
R230
D30
E
E
E
D20 Q26
B E W96 W97 W85 W92 W88 W76
W68 W69 C124 W42
R304
W368
R70
R260
R252
R168
W120 E
C308 R138 W25 W17 R137
E
VR1
S1
R258
R256
W393 W259
B
R158 R160
W4
W163
7 C302 C40 R232
C156
R162
W280
Q204
C258
W234
R166
R266
R264
C260
C256
R262
Q102
Q104
W270
W267
W9
B C129 W114 C153 W115 R155 W110 R153 W107
W401
C159
R261
C257
C259
R265
R263
B
Q203
R192
W168
C255
C157
W192
Q101
R161
C292
R165
R163
C155
Q103
W243 C192 W246 R74 W238 W247 W240 W263
Q31
B R251 E
Q25
E R151 C151 W59 W90 W84 W79 W87 W70
E
E
E
E
E
W195
W199 R259 R257
D29
R69 R255 C251
R167
5
R72 R292 W293
D21
Q207
C261
Q205
E
W121 R159 R157
E
W374 R130 C43 W60 R148 1 R132 14 R131 R129 C228 8
Q107
Q105
R270
C161
W201
W10
W294
W266 R286 VR8 E Q214 B
W217 C264 R272 W241
W207
W141 R285 R281 W171 W144 W153 R269 R271 R169 C263 R283 C267 W162 R287 W193 W197 E W186 B W173 W172 W148 W149 W132 W133 C163 W131 R171
W125
Q36
D32
D38
W289
W284
R66
C22
Q212
E R278 R280 W239
C23 R67
C21 R65 W202
Q213
VR7 E
Q211
B R275 C265 B E R273 R277 R279
D23
C19 C17 R57 R55 W102
W101
D33
B R274
R181 E Q113 B
R248 R198 C128 W36 W32 R307 W40 W39
W19
B
R282
D27
W362
D37
R61
R51
R185
C36
7
W356
W304
W290
Q34
W285
R62
C266 R290
W291
D13
Q22
B C24
E R68 C270
C268
R63
C269 W205
R289
B Q27 E C169 W108 W109
R175 C165
R177 R179 W47 W74 W51 R187 C304 R310 C167 C303 R309
R312 W15 R314 R311 R313 W359 R315 C305 R316
R288 D35 W269 W271 W260 E B W248 W244 W224 W227 R 2 W213 L 1 TP2 B B
WH1
6
C25
D34
R64
W209
8
W364 5
L R 2 B E TH2 1 TP1 A B E E
W89 E B B E
Q218
Q210
Q216
Q217
Q209
Q215
Q117
Q109
Q115
7
Refer to the schematic diagram for the value of resistors and capacitors.
5
R308
2 1
E2
B
E
1
B
E
4
S5
R75
W112
R189
IC6
C306
OFF/ON B.BOOST
D25
VR3
B
E
B Q33 E
B Q29 E R53
R183
SEN.A
W2
B E
E B
R276
R284
Q35
VR5
B R173
E
R149 R150
W8
D36
W287
X09 B/2
E
Q21
Q111
S3
R298
W28
W250
W106
A HPF/OFF/LPF
W35
W31
W189
W159
IC7
W38
W265
W220
W200
W361
B
B
W169
B
B
W5
R73
R267
W161
W363 W14
W358 W357
W351
SEN.B
R139 R133 R249 R250
VR4
E
W226
B
C121
R141
7 C119
W18
R143 1 C35 C123
W366 W365 R135 C117
W360 W355
W354
W245
W382 W43 W44 R145
R253
W158
IC2
B
S4
W237
W166 W167
C34 R146
B HPF/OFF/LPF
B
C158
R144
W236
C160
R164 B
C130
W164 W165
C122
R134 W375 R142 14 R140 C118 C120 R136 8
B
W352
Q32
F.A
A ST/M
W23
W258
D31
Q106
14 R242
D22
B
R240 C218 W367 W381 C42 C220 R236 8 R234 R320 IC5
R238
D5
W231
R18
W353 W6
F.B
C3
D10
Q7
D3
W34
R6
B
IC8
C7
C29
W230
R29
W151
R4 R5
Q3
R13
D40
B
W99 C221
1 R241 C223 W380
W395 W177
W29
C39
R237
VR2
B
E B R3 E
R21
D6
W49 W50 W386
IC4
R319 W372 R233 R235 C219 7
B ST/M
D7
C1
R27
W12
S2
D2 Q2
Q10
C6
R305 R317 C301
R301
C307
S6
C2
C31
W83
W277
C28
W154
R12 C44
R49
W127
E1
R124 R114 C114 R110
AB/A
C10
D13
R48 C8
R128
Q6
C106
E
B
R194
R116 W376 1 R126 C116 C132
W403
W22
C11
R26
R115 14 R111 R112
IC1
R104
C102
3
R127
W128
W377
C113 R125
C101
R101
Q28
E
B
W61
R224 R214 W378 R113 R123 C115
R210 R109
C37
W27
W21
B
E
Q30
W65
D103
R24
D28
W64
C216
1 R226
R200 C200 C103
R202
L1
W52
R204
IC3
C204 C202
R201
C203 C201
D43
D42
W3
C104 R100 C100
R102
D102
6
A
B
(X09-53xx-xx)
MODEL NAME KAC-749S KAC-849
C
D
E
F
G
H
I
J
C167
AUDIO UNIT (X09-53xx-xx) (A/2)
R171 2.7K Q101-104 Q105-108 C163 10u35 +
R177 100
47P
R41, R51-54, R153,154,165,166, Q115,116, Q117,118, UNIT C11,12 A B CN1 D13 L2 253,254,265,266 215,216 217,218 No. 42 61-64 70-10 YES NO 22 (1/2W) 430 30K 2SC5100 LB 2SA1908 LB 3900u32 NO B30-1460-05 L19-0702-05 33 (1/2W) 90-10 NO YES 680 43K 2SC5101 LB 5 2SA1909 LB 5 4700u35 E40-3246-05 B30-1613-05 L19-0701-05
R169 2.7K
Q111
R183 4.7
1ST STAGE DIFFERENCIAL AMPLIFIER D101 D102
R129 10K R101 C103 1K 10u16 +
2ND STAGE DIFFERENCIAL AMPLIFIER
C159 10P
D23
1
IC1 (1/4)
10 C105 9 15P 4 8 R109 10K R123 10K C33 0.01 C113 R113 82K 15P 12 13 R139 10K C119 0.047 R133 10K
Q115
IDOL CURRENT
0.1 2W
R51
C17 470P R181 220 R187 0.1 2W R189 R55 1K R57 1K
IC1 (3/4)
R155
R131 10K 9 10
R173 VR5 R175 430 220(B) 1.5K
8
6 5
4 7
C19 470P
C115 14 10u16 +
IC2 (1/4)
C121 10u16 +
INPUT SENSITIVITY HPF/ OFF/LPF
C129 47P R151 3K C151 10u16 + C153 470P
8.2K
IDOL ADJ.
Q27
Q103
R163 1K
VR1 50K(C)
R107 10K
120P
R125 10K C131 15P
C161
C101 1000P
R103 10K
IC7 (3/4)
R135 3K
Q25 D21
Q101
R161 C155 100 0.01
C165 1000P
R165
Q109
R53
R185 4.7
1 2
TP1
R111 10K R105 10K R115 82K
3 R137 2.2K 2 C117 0.33 C118 0.33 R136 3K R138 2.2K
IC2 (2/4) C123
1 C35 0.01 R145 22K 10u16 + R143 22K
Q29 D25 D27
R179 100
R153
R127
R159 820
R157 820
R167 82
C169
S1 ST/MONO
C132 15P
INVERTER
470 3.3K R60 R150 470
R144 22K
C34 0.01
R128
22K
R164 C158 1K 47u25 +
R158 820
R160 820
R168 82
47P
R142 16K 13 12 14
C170
2
R146 22K
E3
R100 1K R106
D22
C154 470P R180 R176 VR6 R174 1.5K 220(B) 430 100 C166 1000P
47P
C100 1000P
R149
C157 47u25 +
22K
IC7
R141 16K
3.3K
R59
S3
VR3 10K(A)
Q105
Q107
Q117
Q113
Q114
R186 4.7
D26
C102 1000P
R104 10K
R116 82K
R124 10K
C32 0.01
VR1 50K(C)
Lch (A) D42
R126 10K C114 15P C116 10u16 + R130 10K 12 13
C128 22u16 +
C162
120P
R108 10K C106 6 5 11 R110 10K C109 10u16 + C111 10u16 + 15P
IC7 (4/4)
14
IC2 (4/4)
10 9 11 8 C124 10u16 + IC2
R198 15K
C36 0.01 3 2 R148 15K IC7 4
Q26
R152 3K
R162 C156 100 0.01
Q106
Q108
D28
J1
R154
R112 10K
C122 10u16 +
10K
D20
Q118
R190 0.1 2W 0.1 2W
2 3
C112 10u16 + C110 R114 10u16 82K +
Rch (A) D43 OUT (L)
R197 300 C226 C126 1000P 1000P R196 2.2K
D103
D104
C164 10u35 +
R102 C104 1K 10u16 + C150 22u35 +
C120 0.047
R140 10K
R156
C18 470P
R182 220
IDOL ADJ.
Q30 D24
INVERTER MAIN AMPLIFIER POWER SW (for CLASS-A FIRST STAGE)
R195 2.2K
R52
R184 4.7
R296 2.2K
R120 51K
R119 51K
R117 51K
R118 51K
R188
R56 1K
MUTE SW
47P
8.2K
IC1 (2/4)
IC1 (4/4)
R132 10K
IC2 (3/4)
HPF,LPF
IC7 (1/4)
Q25,26
C130
Q104
C160 10P
R58 1K
7
C20 470P
1
R134 10K
1
C152 10u16 +
Q102
R166
Q110
Q28
R54
47P
300
Lch (B)
ISOLATION AMPLIFIER
R121 2.2K 1 3
R122 2.2K 7 9
C168
3
OUT (R)
R297
C250 22u35 +
IC1
R172 2.7K R170 2.7K
R178 100
Q116
Q112
Q6
R194 2.2K
Q17
R26 22K C15 22u35 +
R41 C11
+
D14 D16
R39 10 1/2W
Rch (B) J2
R+(B) R+(A) R-(B) R-(A) 10 9 8 C16 22u35 + R295 2.2K
R43 3.9K C13 22u35 +
Q15
R35 150
D18
C31 47u25 +
C30 33u25 +
C14 22u35 +
D19
7 R294 2.2K
C9 1000P
4
NC NC L-(B) L-(A) L+(B) L+(A) 4 3 2 10 2 4 8
R44 3.9K
C12
C10 2200u16 + C45 2200u16 +
+
R38 4.7K
R37 4.7K
L2
Q13
Q14
R36 150
D17
S6 AB/A Q18
R42
Q17,18
Q16
D15
R40 10 1/2W
R213 C209 R217 82K 10u16 51K + R219 C211 10u16 51K + R220 C212 10u16 51K + R218 C210 10u16 51K +
ISOLATION AMPLIFIER
IC6
BASS BOOST IC4 (4/4)
14 C301 100P C215 14 10u16 + R303 4.3K R305 4.3K R229
BUFFER,INVERTER, HPF,LPF
AVR
Q33-36
R269 2.7K
1
IC3
IC4,5
C26 220u50 +
R221 2.2K
R222 2.2K
OVER CURRENT DETECTOR & LIMMITER
R271 2.7K
R277 100
D201
D202
R301 4.3K
R201 1K
12 13
4
R255
C219 0.047
R239 10K
10 C205 9 15P
4
8
R209 10K
12 R215 82K R223 10K C37 0.01 C213 15P 13
9
5
C201 1000P R203 10K
10K 10
VR2 50K(C)
R207 10K R211 10K
C261
R235 3K
R205
R237 2.2K
R245 22K
R243 22K
R227
22K
R311 3.6K
R317
R257 820
R259 820
R307 24K
C200 1000P R200 1K R206
S2
0.01 C40 22K
S5
R314 1.1K R316 4.3K R236 3K R238 2.2K
0.33 C218 0.33 13 12 14 R242 16K
470 3.3K R70 R250 470
R308 24K
R318
R312 3.6K
R216 82K
R244 22K
100K
R246 22K
R228
ST/MONO
C232 15P
R264 C258 1K 47u25
R258 820
R260 820
R268 82
C304 0.22 R310 300 3 2 4 1
R254
R214 82K
R224 10K
C228 22u16 +
R226 10K C38 0.01 R302 4.3K R304 4.3K C214 15P C216 10u16 +
C262
C206
15P
6
C220 0.047
R240 10K
R202 1K
C204 10u16 +
6 5 11
7
R210 10K
2 3
5 R306 4.3K C302 100P 2 3 R230 10K 6
1
R234 10K
10 9
8 11
5 6
7 11 IC7
R252 3K
7
R256
D203
D204
1 4 IC5
C308 10u16 +
C42 0.01
C43 0.01
Q201-204
Q205-208
(4/4)
1ST STAGE DIFFERENCIAL AMPLIFIER
IC7
2ND STAGE DIFFERENCIAL AMPLIFIER
Q209,210
C264 10u35 +
MUTE SW
47P
8.2K
IC3 (2/4)
IC3 (4/4)
R232 10K
IC5 (2/4)
R320 22K
C252 10u16 + C230
Q202 Q204
R266
C260 10P
120P
R208 10K
IC5 (3/4)
VR2 50K(C)
IC6 (2/2)
IC5 (1/4)
C222 10u16 +
Q32
C266 1000P
R298 15K
R262 C256 100 0.01
Q206
Q208
R276 VR8 R274 1.5K 220(B) 430
C202 1000P
R204 10K
R212 10K
C224 10u16 +
C254 470P
10K
D30
+
C306 2.2u50 +
D31
R267 82
100K
0.22
1.1K
4.3K
R249
C257 47u25
C217
R241 16K
3.3K
R69
7 C303
R309 300
+
C305 2.2u50 +
R313
ON/OFF R315
0.01
C39
10K
2
1
S4
VR4 10K(A)
R253
5
D29
B.B.
C253 470P
C231 15P
6
IC6 8 (1/2)
3
IC4 (1/4)
C223 10u16 +
22K
R261 C255 100 0.01
120P
HPF/ OFF/LPF
R263 1K
R225 10K
IC4 (3/4)
R319
Q31
Q201
C265 1000P
5
7
R273 VR7 R275 430 220(B) 1.5K
8
R233 10K
IC4 (2/4) 6
C41 0.01
C203 10u16 +
IC3 (3/4)
R231 10K
11
C221 10u16 +
INPUT SENSITIVITY
C229 47P R251 3K C251 10u16 +
8.2K
IC3 (1/4)
C307 10u16 +
C263 10u35 +
C259 10P
IDOL ADJ.
Q203
R265
Q209
Q205
Q207
R279 100
IDOL ADJ.
R280 100
Q210
R248 15K
(2/4)
Q31,32
R272 2.7K R270 2.7K
R278 100
INVERTER
TEMPERATURE COMPENSATOR
7
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s). To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
K
L
M
N
O
A
Q109,110
D13
R21 10K
R25 680 R23 30K C7 1u50 + R20 680K R17 10K TH1
R24 680 R22 30K
TEMPERATURE COMPENSATOR
2SA733(A) 2SA817A 2SA992 2SC1627A 2SC1845 2SC3940A 2SC945(A)
Q24 Q111-114
PROTECTION SW (for OVER CURRENT)
C27 100u6.3 + R49 22K R48 10K
C29 1u50 + R19 100K
R18 TH2 75K
Q24
R47 47K
DRIVE CLASS-B STAGE
Q115-118
D11 D12
C6 1000P R16 16K R15 680
FINAL CLASS-B STAGE
C28 10u16 + 8 7 6 Q27-30
IC8
11
10
12
13
15
14
16
C8 2.2u50 +
9
SWITCHING REGULATOR CONTROL
9 10 11
REFERENCE REGULLATOR
ERROR AMP
OVER CURRENT DETECTOR & LIMMITER
OSCILLATOR
C5 10u16 +
R14 4.7K
IC8
C4 2.2u50 +
5
4
3
2
1
2SB1565 2SD2396
2SC2412K
C3 47u35 +
D10 MAIN AMPLIFIER POWER SW D9
R12 5.6K R13 22K R27 1K R10 1.8K
D40 D39
11 10
Q7
Q5
C44 22u35 + C2 33u35 + R29 10K Q9-12
R30 56
9
D8
R33 22
Q4
R11 33K
Q9
Q4,5
2SC4137
R9 150K R8 6.8K Q2
SWITCHING DRIVER
R31 1.5K
C1 10u16 +
D5 D6
Q11 Q12
D7
R32 1.5K
Q13-16
SWITCHING POWER STAGE
R34 22
Q2
R3 3.3K R2 3.3K
C46 10u35 +
Q1 D3
3.3K R4
R7 5.1K
R28 47K
MUTE SW DRIVER
Q3
Q10
D4
5.1K 30K R6 R5
OVER VOLTAGE DETECTOR
Q3
2SA1037K
P.CON SW
POWER SW
C267
47P
Q211
R283 4.7
D33
Q215
R71 47K Q21,22
CN1
1 2 2 1
(X09- )(B/2)
WH1
1 2
IC1-5,7 IC6 IC8
: NJM2058M : NJM4565M : UPC494GS
D13
R61
R281 220 C23 470P R287 0.1 2W
Q33
IDOL CURRENT
0.1 2W 1 2
R65 1K
R73 47K
DC OFFSET DETECTOR D32
L1
D2
R72 47K
C21 470P
TP2
Q22
Q21
R1
R74 47K C25 100u6.3 + R75
3.3K
R63
R285 4.7
R289
R67 1K
B
J3
F1
Q35 D35 D37
C269
47P
Q213
5.6K
Q217
BATT P-CON
Q214
R286 4.7
GND L+ (A)
Q218
R290 0.1 2W
D34
D36
R191 10 1/2W R192 10 1/2W R291 10 1/2W
C191 0.047 C192 0.047 C291 0.047 C292 0.047
L- (A) R- (A)
Q34
C24 470P R68 1K
R64
Q1,2,5 : 2SC2412K Q3,113,114,213,214 : 2SA817A Q4 : 2SA1037K Q6,9,10,25,26,31,32 : 2SC945 (A) (Q,P) Q7 : 2SC3940A (R,S) Q11,12,21,22,101-104, 201-204 : 2SA733 (A) (Q,P) Q13-16 : FKV550T B Q17 : 2SD2396 Q18 : 2SB1565 Q24,111,112,211,212 : 2SC1627A Q27,28,33,34,105-108, 205-208 : 2SC1845 (F,E) Q29,30,35,36 : 2SA992 (F,E) Q109,110,209,210 : 2SC4137 (V,W) Q115,116,215,216 : Q117,118,217,218 :
NJM4565M
D1
UPC494GS
C270
47P
R+ (A) L+ (B) L- (B) R- (B)
Q36 D38
R62
R284 4.7
R292 10 1/2W
R+ (B)
C268
Q216
47P
Q211-214
DRIVE CLASS-B STAGE
Q215-218 E2
D1 : 1S5406-M D2 : RD7.5JS (B) D3,18,19 : RD16JS (B) D4,5,8-12,14,15,20-40,101-104, 201-204 : 1SS133 D6 : RD5.1JS (B) D7 : RD10JS (B) D13 : D16 : FML22S A D17 : FML22R A D42,43 : MA3056WA
C22 470P
R282 220
R288
R66 1K
NJM2058M
0.1 2W
Q212
FINAL CLASS-B STAGE
KAC-749S (E,K,M)
SIGNAL LINE GND LINE B LINE B LINE
KAC-749S
KAC-749S
EXPLODED VIEW
A B
7
Ax2
14
A
Ax2
1
13
702 Ax2 Ax2
711 B Ex2 B Ex2 (X09-) Ex4 D B
Ex2
J1
(X09-)
B
C B
J2
(X09-) (A/2)
C Ex3
Bx3
Ex3 Ex3
2
A B C D E F G H K
3x6 (BLK) 3x8 3x12 3x13 (BLK) 2.6x10 3x10 (BLK) M4x8 (BLK) 2.6x6 WASHER
: N89-3006-45 : N89-3008-46 : N87-3012-46 : N83-3013-45 : N09-4382-05 : N80-3010-45 : N09-4026-05 : N83-2606-46 : N15-1040-46
715 B
12 VR2 VR1 VR4 VR3 S6 S2 S1 S4 S3 S5 12 12
Fx2 Fx3
F1
B
4
B
3 8
Fx2 K G B
3
5 10
Hx2
6
KAC-749S(EKM)
Parts with exploded view numbers larger than 700 are not supplied.
10
KAC-749S
PARTS LIST
New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N Ref. No. d e Parts No. Description d w (X09-5370-10) Destination Ref. No. C29 C30 C31 C32 -43 C44 C45 C46 C100 C101,102 C103,104 C105,106 C109-112 C113,114 C115,116 C117,118 C119,120 C121-124 C126 C128 C129,130 C150 C151,152 C153,154 C155,156 C157,158 C159,160 C161,162 C163,164 C165,166 C167-170 C191,192 C200 C201,202 C203,204 C205,206 C209-212 C213,214 C215,216 C217,218 C219,220 C221-224 C226 C228 C229,230 C250 C251,252 C253,254 C255,256 C257,258 C259,260 C261,262 C263,264 C265,266 C267-270 C291,292 A d d N e w Parts No. CE04DW1H010M CE04DW1E330M CE04DW1E470M CK73GB1H103K CE04DW1V220M C90-2566-05 CE04DW1E100M CF92FV1H102J CK73GB1H102K CE04DW1C100M CC73GCH1H150J CE04DW1C100M CC73GCH1H150J CE04DW1C100M CK73FB1C334K CK73GB1E473K CE04DW1C100M CK73GB1H102K CE04DW1C220M CC73GCH1H470J CE04DW1V220M CE04DW1C100M CC73GCH1H471J CF92FV1H103J CE04DW1E470M CC45FSL1H100D CK45FB1H121K CE04DW1V100M CF92FV1H102J CC45FSL1H470J CF92FV1H473J CF92FV1H102J CK73GB1H102K CE04DW1C100M CC73GCH1H150J CE04DW1C100M CC73GCH1H150J CE04DW1C100M CK73FB1C334K CK73GB1E473K CE04DW1C100M CK73GB1H102K CE04DW1C220M CC73GCH1H470J CE04DW1V220M CE04DW1C100M CC73GCH1H471J CF92FV1H103J CE04DW1E470M CC45FSL1H100D CK45FB1H121K CE04DW1V100M CF92FV1H102J CC45FSL1H470J CF92FV1H473J ELECTRO ELECTRO ELECTRO CHIP C ELECTRO ELECTRO ELECTRO MF-C CHIP C ELECTRO CHIP C ELECTRO CHIP C ELECTRO CHIP C CHIP C ELECTRO CHIP C ELECTRO CHIP C ELECTRO ELECTRO CHIP C MF-C ELECTRO CERAMIC CERAMIC ELECTRO MF-C CERAMIC MF-C MF-C CHIP C ELECTRO CHIP C ELECTRO CHIP C ELECTRO CHIP C CHIP C ELECTRO CHIP C ELECTRO CHIP C ELECTRO ELECTRO CHIP C MF-C ELECTRO CERAMIC CERAMIC ELECTRO MF-C CERAMIC MF-C Description 1.0UF 33UF 47UF 0.010UF 22UF 2200UF 10UF 1000PF 1000PF 10UF 15PF 10UF 15PF 10UF 0.33UF 0.047UF 10UF 1000PF 22UF 47PF 22UF 10UF 470PF 0.010UF 47UF 10PF 120PF 10UF 1000PF 47PF 0.047UF 1000PF 1000PF 10UF 15PF 10UF 15PF 10UF 0.33UF 0.047UF 10UF 1000PF 22UF 47PF 22UF 10UF 470PF 0.010UF 47UF 10PF 120PF 10UF 1000PF 47PF 0.047UF 50WV 25WV 25WV K 35WV 16WV 25WV J K 16WV J 16WV J 16WV K K 16WV K 16WV J 35WV 16WV J J 25WV D K 35WV J J J J K 16WV J 16WV J 16WV K K 16WV K 16WV J 35WV 16WV J J 25WV D K 35WV J J J Destination
KAC-749S
3 4 5 6 7 8 F1 10 12 13 A B C D E F G H K 14 3A A64-2334-02 2B A84-0278-02 3A B19-2082-04 3A B43-1278-03 B46-0100-50 B64-1969-00 B64-1970-00 B64-1971-00 B64-1972-00 B64-1973-00 1A E30-4949-05 3B F01-1658-01 2B F52-0015-05 3A H30-0543-04 H10-4645-03 H25-0321-04 H25-0336-04 H54-2068-03 2A 1A 1A 2A 2B 1A 2B 3A 3A 3A 3A 1A J30-1066-04 N99-1587-05 N89-3006-45 N89-3008-46 N87-3012-46 N83-3013-45 N09-4382-05 N80-3010-45 N09-4026-05 N83-2606-46 N15-1040-46 W01-1515-05 B30-1460-05 CE04DW1C100M CE04DW1V330M CE04DW1V470M CE04DW1H2R2M CE04DW1C100M CF92FV1H102J CE04DW1H010M CE04DW1H2R2M CF92FV1H822J C90-2566-05 C90-5373-05 CE04DW1V220M CF92FV1H222J CE04DW0J101M CE04DW1H221M FRONT PANEL REAR PANEL LIGHTING BOARD BADGE WARRANTY CARD INST. MANUAL (ENGLISH) KE1 INST. MANUAL (FRENCH,SPANISH) KE1 INST. MANUAL (GERMAN,DUTCH) INST. MANUAL (ITA,POR) INST. MANUAL (ENG,CHI) CONNECTING CORD ASSY HEAT SINK FUSE (BLADE TYPE) (30A) ADHESIVE DOUBLE-COATED TAPE POLYSTYRENE FOAMED FIXTURE PROTECTION BAG (600X315X0.03) PROTECTION BAG (170X250X0.03) ITEM CARTON CASE SPACER SCREW SET BINDING HEAD TAPTITE SCREW BINDING HEAD TAPTITE SCREW BRAZIER HEAD TAPTITE SCREW PAN HEAD TAPTITE SCREW TAPTITE SCREW (2.6X10) PAN HEAD TAPTITE SCREW TAPPING SCREW (4X8,TP,S) PAN HEAD TAPTITE SCREW FLAT WASHER TERMINAL COVER SET E1 E1 M1
AUDIO UNIT (X09-5370-10)
D13 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 ,12 C13 -16 C17 -24 C25 C26 C27 C28 E1 : Europe LED (RED) ELECTRO ELECTRO ELECTRO ELECTRO ELECTRO MF-C ELECTRO ELECTRO MF-C ELECTRO ELECTRO ELECTRO MF-C ELECTRO ELECTRO 10UF 33UF 47UF 2.2UF 10UF 1000PF 1.0UF 2.2UF 8200PF 2200UF 3900UF 22UF 2200PF 100UF 220UF 100UF 10UF 16WV 35WV 35WV 50WV 16WV J 50WV 50WV J 16WV 32WV 35WV J 6.3WV 50WV 6.3WV 16WV
CE04DW0J101M ELECTRO CE04DW1C100M ELECTRO K : North America M1 : Other Areas
indicates safety critical components.
11
KAC-749S
PARTS LIST
New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N Ref. No. d e Parts No. Description d w C301,302 CC73GCH1H101J CHIP C 100PF C303,304 CF92FV1H224J MF-C 0.22UF C305,306 CE04DW1H2R2M ELECTRO 2.2UF C307,308 CE04DW1C100M ELECTRO 10UF C500 CE04DW1V220M ELECTRO 22UF E2 ,3 J1 J2 J3 TP1 ,2 L1 L2 F R1 -4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 ,23 R24 ,25 R26 ,27 R28 R29 R30 R31 ,32 R33 ,34 R35 ,36 R37 ,38 R39 ,40 R41 ,42 R43 ,44 R47 R48 R49 R51 -54 R55 -58 R59 ,60 R61 -64 R65 -68 R69 ,70 2B E23-0149-05 2A E63-0874-05 2A E58-0919-05 1B E70-0833-05 E40-3640-05 L33-1015-05 L19-0702-05 N80-3010-45 RK73GB1J332J RK73GB1J512J RK73GB1J303J RK73GB1J512J RD14BB2C682J RK73GB1J154J RD14BB2C182J RK73GB1J333J RK73GB1J562J RD14BB2C223J RK73GB1J472J RK73GB1J681J RK73GB1J163J RK73GB1J103J RK73GB1J753J RK73GB1J104J RK73GB1J684J RK73GB1J103J RK73GB1J303J RD14BB2C681J RD14BB2C223J RD14BB2C473J RK73GB1J103J RD14BB2C560J RD14BB2C152J RD14BB2C220J RD14BB2C151J RD14BB2C472J RD14DB2H100J RD14DB2H220J RD14BB2C392J RK73GB1J473J RK73GB1J103J RK73GB1J223J RD14BB2C431J RD14BB2C102J RK73GB1J332J RD14BB2C431J RD14BB2C102J RK73GB1J332J (X09-5370-10) Destination J J 50WV 16WV 35WV Ref. No. R71 -74 R75 R100 R101,102 R103-108 R109-112 R113-116 R117-120 R121,122 R123-126 R127,128 R129-134 R135,136 R137,138 R139,140 R141,142 R143-146 R148 R149,150 R151,152 R153,154 R155,156 R157-160 R161,162 R163,164 R165,166 R167,168 R169-172 R173,174 R175,176 R177-180 R181,182 R183-186 R187-190 R191,192 R194-196 R197 R198 R200 R201,202 R203-208 R209-212 R213-216 R217-220 R221,222 R223-226 R227,228 R229-234 R235,236 R237,238 R239,240 R241,242 R243-246 R248 R249,250 A d d N e w Parts No. RD14BB2C473J RD14BB2C562J RD14BB2C102J RK73EB2B102J RK73GB1J103J RK73FB2A103J RK73GB1J823J RK73EB2B513J RD14BB2C222J RK73FB2A103J RK73GB1J223J RK73GB1J103J RK73GB1J302J RK73GB1J222J RK73GB1J103J RK73GB1J163J RK73GB1J223J RK73GB1J153J RK73GB1J471J RK73GB1J302J RK73GB1J303J RD14BB2C822J RD14BB2C821J RD14BB2C101J RD14BB2C102J RD14BB2C303J RD14BB2C820J RD14BB2C272J RD14BB2C431J RD14BB2C152J RD14NB2E101J RD14NB2E221J RD14NB2E4R7J R92-0205-05 RD14DB2H100J RK73GB1J222J RK73EB2B301J RK73GB1J153J RD14BB2C102J RK73EB2B102J RK73GB1J103J RK73FB2A103J RK73GB1J823J RK73EB2B513J RD14BB2C222J RK73FB2A103J RK73GB1J223J RK73GB1J103J RK73GB1J302J RK73GB1J222J RK73GB1J103J RK73GB1J163J RK73GB1J223J RK73GB1J153J RK73GB1J471J RD RD RD CHIP R CHIP R CHIP R CHIP R CHIP R RD CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R RD RD RD RD RD RD RD RD RD RD RD RD METAL-PLATE SMALL-RD CHIP R CHIP R CHIP R RD CHIP R CHIP R CHIP R CHIP R CHIP R RD CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R Description 47K 5.6K 1.0K 1.0K 10K 10K 82K 51K 2.2K 10K 22K 10K 3.0K 2.2K 10K 16K 22K 15K 470 3.0K 30K 8.2K 820 100 1.0K 30K 82 2.7K 430 1.5K 100 220 4.7 0.1 10 2.2K 300 15K 1.0K 1.0K 10K 10K 82K 51K 2.2K 10K 22K 10K 3.0K 2.2K 10K 16K 22K 15K 470 J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J K J J J J J J J J J J J J J J J J J J J J J 1/6W 1/6W 1/6W 1/8W 1/16W 1/10W 1/16W 1/8W 1/6W 1/10W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/4W 1/4W 1/4W 2W 1/2W 1/16W 1/8W 1/16W 1/6W 1/8W 1/16W 1/10W 1/16W 1/8W 1/6W 1/10W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W Destination
TERMINAL PIN JACK RECTANGULAR RECEPTACLE SCREW TERMINAL BOARD PIN ASSY CHOKE COIL TRANSFORMER FOR CONVERTER PAN HEAD TAPTITE SCREW CHIP R CHIP R CHIP R CHIP R RD CHIP R RD CHIP R CHIP R RD CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R RD RD RD CHIP R RD RD RD RD RD SMALL-RD SMALL-RD RD CHIP R CHIP R CHIP R RD RD CHIP R RD RD CHIP R 3.3K 5.1K 30K 5.1K 6.8K 150K 1.8K 33K 5.6K 22K 4.7K 680 16K 10K 75K 100K 680K 10K 30K 680 22K 47K 10K 56 1.5K 22 150 4.7K 10 22 3.9K 47K 10K 22K 430 1.0K 3.3K 430 1.0K 3.3K J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J 1/16W 1/16W 1/16W 1/16W 1/6W 1/16W 1/6W 1/16W 1/16W 1/6W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/6W 1/6W 1/6W 1/16W 1/6W 1/6W 1/6W 1/6W 1/6W 1/2W 1/2W 1/6W 1/16W 1/16W 1/16W 1/6W 1/6W 1/16W 1/6W 1/6W 1/16W
E1 : Europe
K : North America
M1 : Other Areas
indicates safety critical components.
12
KAC-749S
PARTS LIST
New Parts Parts without Part No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N Ref. No. d e Parts No. Description d w R251,252 RK73GB1J302J CHIP R 3.0K J R253,254 RK73GB1J303J CHIP R 30K J R255,256 RD14BB2C822J RD 8.2K J R257-260 RD14BB2C821J RD 820 J R261,262 RD14BB2C101J RD 100 J R263,264 R265,266 R267,268 R269-272 R273,274 R275,276 R277-280 R281,282 R283-286 R287-290 R291,292 R294-296 R297 R298 R301-306 R307,308 R309,310 R311,312 R313,314 R315,316 R317,318 R319,320 R401-440 VR1 ,2 VR3 ,4 VR5 -8 W351-395 S1 ,2 S3 ,4 S5 ,6 D1 D2 D3 D4 ,5 D6 D7 D8 -12 D14 ,15 D16 D17 D18 ,19 D20 -40 D42 ,43 D101-104 D201-204 IC1 -5 IC6 IC7 IC8 E1 : Europe RD14BB2C102J RD14BB2C303J RD14BB2C820J RD14BB2C272J RD14BB2C431J RD14BB2C152J RD14NB2E101J RD14NB2E221J RD14NB2E4R7J R92-0205-05 RD14DB2H100J RK73GB1J222J RK73EB2B301J RK73GB1J153J RK73GB1J432J RK73GB1J243J RK73GB1J301J RK73GB1J362J RK73GB1J112J RK73GB1J432J RK73GB1J104J RK73GB1J223J RD14BB2E221J R31-0215-05 R31-0232-05 R32-0030-05 R92-1252-05 S62-0842-05 S31-2630-05 S62-0842-05 1N5406-M RD7.5JS(B) RD16JS(B) 1SS133 RD5.1JS(B) RD10JS(B) 1SS133 1SS133 FML22SA FML22RA RD16JS(B) 1SS133 MA3056WA 1SS133 1SS133 NJM2058M NJM4565M NJM2058M UPC494GS K : North America RD RD RD RD RD RD RD RD RD METAL-PLATE SMALL-RD CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R CHIP R RD 1.0K 30K 82 2.7K 430 1.5K 100 220 4.7 0.1 10 2.2K 300 15K 4.3K 24K 300 3.6K 1.1K 4.3K 100K 22K 220 J J J J J J J J J K J J J J J J J J J J J J J (X09-5370-10) Destination 1/16W 1/16W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/4W 1/4W 1/4W 2W 1/2W 1/16W 1/8W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/16W 1/4W Ref. No. Q1 ,2 Q3 Q4 Q5 Q6 Q7 Q9 ,10 Q11 ,12 Q13 -16 Q17 Q18 Q21 ,22 Q24 Q25 ,26 Q27 ,28 Q29 ,30 Q31 ,32 Q33 ,34 Q35 ,36 Q101-104 Q105-108 Q109,110 Q111,112 Q113,114 Q115,116 Q117,118 Q201-204 Q205-208 Q209,210 Q211,212 Q213,214 Q215,216 Q217,218 TH1 TH2 A d d N e w Parts No. 2SC2412K 2SA817A 2SA1037K 2SC2412K 2SC945(A)(Q,P) 2SC3940A(R,S) 2SC945(A)(Q,P) 2SA733(A)(Q,P) FKV550TB 2SD2396 2SB1565 2SA733(A)(Q,P) 2SC1627A 2SC945(A)(Q,P) 2SC1845(F,E) 2SA992(F,E) 2SC945(A)(Q,P) 2SC1845(F,E) 2SA992(F,E) 2SA733(A)(Q,P) 2SC1845(F,E) 2SC4137(V,W) 2SC1627A 2SA817A 2SC5100LB 2SA1908LB 2SA733(A)(Q,P) 2SC1845(F,E) 2SC4137(V,W) 2SC1627A 2SA817A 2SC5100LB 2SA1908LB PTH9L04BD222TS PTH9M04BD222T Description TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR FET TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR POSITIVE RESISTOR POSITIVE RESISTOR Destination
VARIABLE RESISTOR VARIABLE RESISTOR SEMI FIXED VARIABLE RESISTOR CHIP R 0 OHM SLIDE SWITCH SLIDE SWITCH SLIDE SWITCH DIODE ZENER DIODE ZENER DIODE DIODE ZENER DIODE ZENER DIODE DIODE DIODE DIODE DIODE ZENER DIODE DIODE ZENER DIODE DIODE DIODE IC(OP AMP) ANALOGUE IC IC(OP AMP) ANALOGUE IC M1 : Other Areas
indicates safety critical components.
13
KAC-749S
SPECIFICATIONS
Audio Section
Rated Power Output (4) A, B Channel (20-20KHz, 0.08% THD) ............................................................................40W x 4 A, B Channel (DIN45324, +B=14.4V) ..............................................................................40W x 4 Rated Power Output (2) A, B Channel (1KHz, 0.8% THD) .....................................................................................60W x 4 Bridged Power Output (4, 1KHz, 0.8% THD) ...................................................................120W x 2 Max Power Output (4, Normal) .........................................................................................80W x 4 Max Power Output (4, Bridge) ..........................................................................................250W x 2 Low Pass Filter (A, B channel, 12dB/oct.) ...........................................................................50Hz - 200Hz High Pass Filter (A, B channel, 12dB/oct.) ..........................................................................50Hz - 200Hz Bass Boost Circuit (90Hz) ...................................................................................................0.6dB Frequency Response (+0, -3dB) .........................................................................................5Hz - 50KHz Signal to Noise Ratio ...........................................................................................................100dB Sensitivity (Max) (rated output) ...........................................................................................0.2V Sensitivity (Min) (rated output) ............................................................................................5.0V Input Impedance .................................................................................................................10K
General
Operating Voltage (11V-16V allowable) ..............................................................................14.4V Current Consumption (1KHz, 10% THD) ............................................................................26A Dimensions (Width x Height x Depth) .................................................................................261mm x 57mm x 256mm Weight .................................................................................................................................3.5Kg
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
KENWOOD CORPORATION
14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan
KENWOOD SERVICE CORPORATION
P.O. Box 22745, 2201 East Dominguez Street, Long Beach, CA90801-5745, U.S.A.
KENWOOD ELECTRONICS ITALIA S.p.A.
Via G. Sirtori 7/9, 20129 Milano, ltaly
KENWOOD ELECTRONICS CANADA INC.
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
KENWOOD IBÉRICA S.A.
Bolivia, 239-08020 Barcelona, Spain
KENWOOD ELECTRONICS LATIN AMERICA S.A.
P.O. Box 55-2791 Paitilla, Plaza Credicorp Bank Panama, Piso 9, Oficina 901, Calle 50, Panama, Republic of Panama
KENWOOD ELECTRONICS AUSTRALIA PTY. LTD.
(A.C.N. 001 499 074) 16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113, Australia
KENWOOD ELECTRONICS BRASIL LTDA.
Av. Moema, 170-17°, Andar-Cobertura "B", Ed. Maximum Service Center, 04077-020 Moema, São Paulo-SP-Brasil
KENWOOD ELECTRONICS (HONG KONG) LTD.
Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong, N.T., Hong Kong
KENWOOD ELECTRONICS UK LIMITED
Kenwood House, Dwight Road, Watford, Herts, WD1 8EB, United Kingdom
KENWOOD ELECTRONICS GULF FZE
P.O.Box 61318, Jebel Ali, Dubai, U.A.E.
KENWOOD ELECTRONICS (THAILAND) CO., LTD.
2019 New Pechburi Road, Bangkapi, Huaykwang, Bangkok, 10320 Thailand
KENWOOD ELECTRONICS DEUTSCHLAND GMBH
Rembrücker Str. 15, 63150 Heusenstamm, Germany
KENWOOD ELECTRONICS FRANCE S.A.
13, Boulevard Ney, 75018 Paris, France
KENWOOD ELECTRONICS SINGAPORE PTE LTD.
1 Genting Lane, #07-00, Kenwood Building, Singapore 349544
KENWOOD ELECTRONICS BELGIUM N.V.
Mechelsesteenweg 418, B-1930 Zaventem, Belgium
KENWOOD ELECTRONICS (MALAYSIA) SDN BHD
#4.01 Level 4, Wisma Academy Lot 4A, Jalan 19/1, 46300 Petaling Jaya, Selangor Darul Ehsan, Malaysia