Kenwood KAC-9405 User manual

This product uses Lead Free solder.
This product complies with the RoHS directive for the European market.
SERVICE MANUAL © 2009-12 PRINTED IN JAPAN
B53-0772-00 (N)341
POWER AMPLIFIER
KAC-8405
KAC-9405/9405M
Screw & wrench key set
(N99-1820-05)
Connecting cord assy
(E30-6144-05)
19cm
E,M type
M type
Dressing Panel
(A21-6752-01): (K type)
(A21-6753-01): (E type)
(A21-6782-01): (M type)
Fuse (30A)
(F52-0045-05)

2
KAC-8405
KAC-9405/9405M
BLOCK DIAGRAM
40Hz
+18dB
50-200Hz
ISO-AMP
IC1,2
BOOST
IC9,10
BASS
IC1,2
ISO-AMP
BOOST
IC9,10
BASS
(0.2-5V)
LINE IN
AR
L+
AL
L-
R+
R-
Q601,603
ATT MUTE
Q605 POWER AMP
MUTEATT
604 Q606
Q20,21 D14,15 IC14
15V
AVR BCON
DC/DC LC FILTER
THERMALDC-OFFSETOVERLOAD
DETDET DET
BATT.
GND
P-CON
Q523-526,
Q703 Q711,712
SIGNAL
DETECTOR
Q715,716 Q3
PRIORITY
P-CON
Q10,11
POWER
ON/OFF
Q705
AVR
FAN
FAN
POWER AMP
BR
BL
SP OUTPUT
(INV)
621-624
CLIPPER
CLIPPER
Q602,
H.P.F
IC12
IC13
L.P.F
H.P.F
L.P.F
IC12
IC13
SENS.
VOL
ST/
MONO
MONO
ST/
SENS.
VOL
BR
BL
IC3,4
ISO-AMP
ISO-AMP
IC3,4
(INV)
L.P.F
L.P.F
H.P.F
IC7
IC8
H.P.F
IC7
IC8
MUTE
MUTEATT
Q502,
CLIPPER
504 Q506
ATT
CLIPPER
Q501,503
Q505
POWER AMP
AR
POWER AMP
AL
SP OUTPUT
VOL
SENS.
SENS.
VOL
L-
R-
R+
L+
SPEAKER LEVEL INPUT

3
KAC-8405
KAC-9405/9405M
COMPONENTS DESCRIPTION
●AUDIO UNIT (X09-8940-10)
Ref. No. Application / Function
IC1~4 Isolation circuit
IC5 Non-inverting circuit
IC6~IC8,IC11~IC13 HPF, LPF
IC9~IC10 Bass Boost circuit
IC14 DC-DC IC
IC15 ATT circuit
Q1 Voltage supply
Q2 Over voltage detection circuit
Q3 P-CON
Q4,Q7~Q9 Smoke and fire prevention circuit
Q5,Q6 Mute driver
Q10,Q11 Switch
Q12~Q15 Gate driver
Q16~Q19 DC-DC comparator
Q20,Q21 Regulated power supply
Q501~Q504,Q601~Q604 ATT circuit
Q505,Q506,Q605,Q606 Mute
Q507~Q514,Q607~Q614 Differential circuit - 1st stage
Q515,Q516,Q597,Q598,Q615,Q616,Q697,Q698 Differential circuit - 2nd stage
Q520,Q599 Power stage regulated power supply
Q521,Q522,Q619,Q620 Temperature compensation
Q523~Q526,Q621~Q624,Q704 Over current detection circuit
Q527~Q530,Q625~Q628 Darlington
Q531~Q534,Q629~Q632 Final stage
Q701~Q703 Latch circuit
Q705 FAN driver
Q706,Q708~Q710 Clipper circuit
Q707,Q714 Current control circuit
Q711,Q712 Temperature detection circuit
Q713 Shutdown
Q715,Q716 Auto P-CON circuit

4
KAC-8405
KAC-9405/9405M
C415
C421
R7
R10
R49
R537
R18
R55
C416
C422
R50
R51
R538
R1
R3
R4
TH1
C701
C704 C705
R701
R707 R709
R11
R20
R21
R25
C2
C6
C8
C9
C12
C17
C18
C531
C532
C625 C626
C702
C720
R6
R8
R23
R24
R26
R27
R33
R36 R37
R40 R41
R54
R401
R402
R405
R406
R407
R408
R411
R412
R415
R416
R431
R432
R433
R434
R703
R706
R738
R753
R757
C14
C403
C404
C405
C406
C417
C418
C419
C420
C525
C526
C527
C528
C529
C530
C623
C624
R2 R5
R9
R12
R13
R14
R15
R1
R22
R28
R29
R30
R31
R32
R34
R35
R38
R39
R42 R43
R44 R45
R46
R47 R48
R317R318
R403
R404
R409
R410
R413
R414
R417
R418
R419
R420
R421
R422
R423
R424
R425
R426
R427
R428
R429
R430
R543
R544
R545
R546
R547
R548
R549
R550
R553
R554
R555
R557
R558
R559
R560
R561
R562
R563
R564
R565
R567
R568
R569
R570
R575
R576
R577
R578
R669
R670
R671 R672
R702
R704
R705
R708
R712
R713
R714
R715
R751
R752
R754
R755
R756
R758
W303
W304
W508
W510
W310
W463
W465
W306
W477
W482
W467
W445
W448
W313
W478
W341
W449
W435
W473
W471
W466 W468
W457
W450
W433
W432
W422
W446
W447
W453
W431
W430
W424
W419
W324
W509
W507
W389
W513
W512
W514 W515
W351 W369
W505
W426
W429
W428
W439
W436
W370
W489
W493
W506
W500
W504
W501
W486
W487
W503
W480
W475
W476
W511
W474
W502
W490
W494
W495
W497
W488
W498
W491
W45
5
W470
W472
W469
W496
W454
W451
W484
W481
W464
W492
W357
W425
W423
W418
W323
W442
W459
W421
W499
W416
W440
W434
W479
W441
W485
W452
W483
W444
W462
W427
W437
W438
W523
W413
W377
W410
W414
W388
W415
W325
W417
W302
W301
W443
W381 W520
W526
C901
W400
C902
R762
C90
5
8
4
1
5
8
4
1
5
8
4
1
5
8
4
1
1
2
1
4
3
6
5
8
7
9
1011
8
16 9
8
5
1
1
2
7
8
4
BE
BE
BE
EB
EB
BE
BE
EB
BE
BE
EB
BE
EB
BE
EB
EB
EB
EB
EB B
BE
BE
EB
BE
BE
EB
EB
BE
AUDIO UNIT X09-8940-10 A/2 (J76-0655-11)
X09 B/2
IC9
IC10
IC11
IC12
IC13
IC14
Q711
D701
Q701
Q12
Q15
D5
D7
D9
D11
D509
D510
Q2
Q3
Q6
Q8
Q9
Q13
Q14
Q703
Q714
Q715
D2
D3
D4
D6
D10
D12
D13
D507
D508
D511
D512
D513
D514
D515
D706
D707
D710
Q4
Q5
Q7
Q10
Q11
Q521
Q522
Q523
Q524
Q702
Q712
Q716
D18
D519
D520
C15
C16
C522
C521
W207
C19
C20
L1
L2
C10
C1
C3
C4
C5
C517
C518
C519 C520
C703
C717
C718
C719
C11
C13
C401
C402
C407
C408
C425
C426
C427 C428
C523
C524
R571
R572
R573
W1
W2
W3
W121
W126
W130
W136
W141
W145
W149
W162
W155
W114
W115
W37
W188
W200
W153
W139
W201
W75
W187
W186
W71
W185
W133
W199
W194
W190
W193
W184
W182
W183
W198
W195
W189
W191
W163
W177
W168
W180
W156
W170
W172
W176
W173
W158
W148
W174
W202
W197
W192
W196
W181
W164
W123
W128
W132
W138
W143
W147
W151
W157
W150
W146
W142
W137
W131
W127
W122
W179
W124
W112
W134
W120
W
W159
W135
W117
W161
W152
W166
W144
W125
W160
W154
W101
W175
W171
W178
W169
W140
W129
W167
W165
W119
W11
3
W73
W105
W116
W12
W17
W7
W5
W6
W118
W4
VR2
VR3
VR4
AF
B-SENS
BF
MONO/ST ON/OFF
B.B
L/OFF/H
H/O
F
BE
BE
BE
BEB
GDSGDSGDSGDS
E
EB
EB
EB
BE
BE
J3
D14
Q599
Q527
Q528
Q531
Q532
D15
Q520
Q529
Q533
Q1
P1
Q16 Q17Q18 Q19
Q525
Q
S2
S3
S
4
S5
CN33
PC BOARD (FOIL SIDE VIEW)
ABCDE
1
2
3
4
5
6
7

5
KAC-8405
KAC-9405/9405M
JIHGF
1
2
3
4
5
6
7
X09-8940-10
Ref. No. Address Ref. No. Address
IC1 6G Q527 3C
IC2 5G Q528 2E
IC3 5H Q529 2C
IC4 5H Q530 2F
IC5 5G Q531 3C
IC6 5G Q532 2E
IC7 5F Q533 2C
IC8 4F Q534 2F
IC9 4B Q597 3F
IC10 2A Q598 3G
IC11 5B Q599 2C
IC12 5A Q601 3G
IC13 5B Q602 3G
IC14 5D Q603 3G
IC15 5H Q604 3G
Q1 4D Q605 3G
Q2 5C Q606 3H
Q3 5C Q607 3G
Q4 5E Q608 3H
Q5 5F Q609 3G
Q6 4F Q610 3G
Q7 5C Q611 3G
Q8 6C Q612 3H
Q9 6C Q613 3G
Q10 5D Q614 3G
Q11 5C Q615 3G
Q12 5C Q616 3H
Q13 5C Q619 2I
Q14 5C Q620 4I
Q15 5C Q621 2H
Q16 5C Q622 4H
Q17 4C Q623 3H
Q18 5C Q624 4H
Q19 4C Q625 2H
Q20 2F Q626 3H
Q21 2G Q627 3H
Q501 3F Q628 4H
Q502 3F Q629 2I
Q503 3F Q630 4I
Q504 3G Q631 3I
Q505 3F Q632 5I
Q506 3G Q697 3G
Q507 3F Q698 3H
Q508 3G Q701 4E
Q509 3F Q702 4E
Q510 3F Q703 4E
Q511 3F Q704 4F
Q512 3G Q705 4G
Q513 3F Q706 4G
Q514 3F Q707 4G
Q515 3F Q708 4G
Q516 3G Q709 4G
Q520 2D Q710 4G
Q521 2B Q711 4D
Q522 1E Q712 4D
Q523 2C Q713 4F
Q524 2E Q714 6C
Q525 2C Q715 6D
Q526 2F Q716 6D
W406
R711
R722
R724
R736
R737
R740
R743
R746
C107
C207
C305
C315
R52
R18
R710
R725
R726
R731
R732
R742
R745
R747
C108
C208
C306
C316
R53
R717
R19
C6
C109
C110
C200
C209
C210
C503
C504
C603
C604
0
2
C709
R17
R115
R116
R119 R120
R200
R215
R216
R219
R220
R301
R302
R305 R306
R307 R308
R325
R326
R327
R328 R519
R520
R521
R522
R619 R620
R621
R622
0
3
R735
R739
R750
C101
C102
C201
C202
R103
R104
R107
R108
R113
R114
R203
R204 R207
R208
R213
R214
C105
C106
C111
C112
C113 C114
C151
C152
C153
C154
C205
C206
C211
C212
C213 C214
C219
C251
C252 C253
C254
C303
C304
C311
C312
C313
C314
C507
C508
C511 C512
C513 C514
C515 C516
C526
C528
C607
C608
C611 C612
C613 C614
C615 C616
C619
C620
C621
C622
R13
R14
R15
R16
R101
R102
R105
R106
R109
R110
R111
R112
R117 R118
R151
R152
R153
R154
R155
R156
R201
R202
R205
R206
R209
R210
R211
R212
R217
R218
R251 R252
R253
R254
R255
R256
R303
R304
R309
R310
R311
R312
R313
R314
R315
R316
R317R318
R319
R320
R321
R322
R323
R324
R501
R502
R503
R504
R505
R506
R507
R508
R509
R510
R511
R512
R513
R514
R515
R516
R517
R518
R523 R524
R525
R526
R527
R528 R529 R530
R531 R532
R533 R534
R535 R536
R544
R546
R548
5
0
R556
R558
R560
R566
R570
R601
R602
R603
R604
R605
R606
R607
R608
R609
R610
R611
R612
R613
R614
R615
R616
R617
R618
R623
R624
R625 R626
R627
R628
R629 R630
R631 R632
R633 R634
R635 R636
R637
R638
R639
R640
R641
R642
R643
R644
R647
R648
R649
R650
R651
R652
R653
R654
R655
R656
R657
R658
R659
R660
R661
R662
R663
R664
R716
R718
R719
R720
R727
R728
R729
R730
R734
R741
R744
R749
W339
W340
W348
W350
W363
W356
W355
W322
W343
W307
W342
W409
W392
W401
W422
W364
W399
3
1
3
0
W424
W420
W419
W312
W315
W327
W308
W305
W525
2
9
2
8
W395
W317
W318
W326
W330
W316
W372
W319
W329
W331
W333
W321
W334
W320
W314
W311
W328
W361
W379
W387
W335
W455
W456
W362
W376
W397
W423
W418
W402
W407
W393
W383 W367
W332
W345
W394
W384 W368
W309
W353
W358
W421
W366
W359
W408
W416
W458
W347
W460
W461
W427
W396
W405
W403
W385
W360
W346
W354
W374
W365
W380
W391
W349
W523
W371
W373
W378
W382
W404
W398
W413
W411
W415
W417
W412
W386
W390
W344
W338
W352
W336
W524
W519
W522
W521
W516
W517
W518
C901
C721
R761
R759R760
1
2
1
8
7
8
4
5
58
41
58
41
58
41 14
85
14
85
14
85
14
85
1
2
1
10
9
4
85
BE
BE
BE
BEBEBEBEBE
BE
BE
B
EB
BE BEBEBEBEBE
E
12 12
B
BE
BEBEBEBEBEBEBE
BE
EB
EB
BE
BE
EB
BEBEBEBEBEBEBE BEBE
EB
BE
IC15
IC1
IC2
IC3
IC4
IC5
IC6IC7
IC8 Q710
Q709
Q704
D7
D8
D16
D17
D704
D705
Q6
Q501
Q502
Q503
Q504
Q505
Q506
Q601
Q602
Q603
Q604
Q605
Q606
Q706
Q707
Q713
D204
D6
D203
D501
D502
D503
D504
D505
D506
D516
D601
D602
D603
D604
D605
D606
D607
D608 D609
D610
D702
D708
D709
Q5
Q507 Q508
Q509 Q510
Q511 Q512
Q513
Q514
Q522
Q524
Q607 Q608
Q609 Q610
Q611
Q612
Q613 Q614
Q619
Q620
Q621
Q622
0
2
Q708
D517
D518
D611
D612
W87
C23
C715
C7
C24
C706
C21
C22
C509 C510 C609 C610
C703
C707
C708
C103
C104
C117
C118
C203
C204
C217
C218
C301
C302
C319
C320
C321 C322
C501
C502
C
524
C601
C602
C617
C618
R574
R665
R666
R667
R668
W45 W44
W57
W58
W39
W20
W76
W78
W22
W50
W93
W107
W27
W121
W126
W115
W80
W19
W52
W75
W16
W100
W35
W41
W14
W9
W8
W82
W23 W24
W26
W13
W15
W11
W10
W21
W30
W18
W65
W72
W123
W128
W31
W127
W122
W29
W33
W32
W67
W42
W43
W62
W63
W83
W84
W102
W103
W69
W68
W28
W38
W25
W61
W36 W34
W112
W94
W88
W89
W95
W66
W120
W49
W56
W40
W53
W60
W81
W104
W51
W110
W109
W101
W90
W99
W92
W119
W96
W106
W97
W59
W74
W98
W70
W46
W64
W86
W54
W108
W111
W48
W47
W85
W77
W79
W91
W55
W113
W116
W118
W203
W204
W205
W206
VR1
3
A-SENS
F
ST/MONO
H/OFF/L
EB
EB
EB
BE
EB
BE
EB
BE
EB
BE
EB
BE
BE
BEBE
BE
EB
BE
BEBE
BEBE
EB
BE
Q20
Q625
Q626
Q629
Q630
Q21
Q530
Q534
Q627
Q628
Q631
Q632
Q705
P1
J1 J2
Q515
Q516
Q597
Q598
Q526
Q615
Q616
Q697
Q698
Q623
Q624
CN1
CN2
S1
S4
CN3
Refer to the schematic diagram for the values of resistors and capacitors.

6
KAC-8405
KAC-9405/9405M
X09-8940-10 (1/4)
ABCDE
1
2
3
4
5
6
7
33.0V
-33.0V
15.0V
-15.0V
(X09-8940-10) (A/2)
(X09- ) (B/2)
D204
D203
J2
CN33
IC9(2/2)
(2/2)
IC11(2/2)
S3
IC12(2/2)
IC13(2/2)
S5
S2
(1/2)
IC9(1/2)
IC11(1/2)
(1/2)
IC12(1/2)
A
B
RL
J1
D709
D708
Q716
Q715
D710
Q21
D17 D16
Q20
D15
D14
AUTO
P-CON
MONO/ST
IC13
50Hz-200Hz
BASS BOOST
40Hz +18dB
HPF/OFF/LPF
IC3(1/2)
IC3(2/2)
IC1(2/2)
IC1(1/2)
(2/2)
IC2
IC2(1/2)
(2/2)
IC4
IC4(1/2)
IC10
IC10
ISO
ISO
15V AVR
TP601
TP602
R : RED
1K
C200
1000P
R200
TP210
TP209
C219
0.01
R413
TP401
4.7u50
R416
C408
4.7u50
8
7
4
5
6
1
2
3
R410 18K
5
6
4
8
7
C404 27P
4
TP404
R414
6
5
8
220
7
R412
TP402 R411
C406
0.47
33K 33K
TP406
R418
10K
4
8
6
57
TP408
TP410
0.01
100K
C415
C416
TP412
0.01
C426
10u35
6
8
57
4
4
R434
47K
C428
10u35
8
6
57
C422
0.01
R432
47K
C407
R415
TP403
430
R401
R402
430
R403
1K
C403 27P
R407
3K
2
3
220
1
R409 18K
3
R405
VR2
47K
2
C401
10u50 1
100K
TP405
10K
R417
2
31
TP407
C417
0.33
VR4
TP413
R423
2.2K
R425
3K
TP409
C427
10u35
C425
10u35
R429
16K
3
21
2
31
C112 C111
R754
C718
10u50
2.2K
TP731
C104
10u50
C103
10u50
C102
1000P
C101
1000P
R101
1K
C106
15P
4
R106
4.7K
10K
R104
6
5
10K
R108
R112
10K
7
100P
C110
TP105
10K
R107
10K
R103
2
TP103
38 R111
10K
1
TP107
100P
C109
R757
10K
C720
1000P
R758
100K
R755
4.7K
TP733
TP732
C719
10u50
R756
10K
47K
4
15P
6
57
R118 10K
C114 100P
R120
C118
47u16
47K
R119
C113 100P
83
R117 10K
15P
21
C117
47u16
C24
47u25
C23
47u25
47u25
C22
47u25
C21R53
5.6K 5.6K
R52
C20
3300u50
TP61 T
P
TP58
3300u50
R49
15K
C19
TP60
TP57
T
P
3
1
4
2
7
5
8
6
109
AR-
AR+
BR-
BR+
BL+
BL-
AL-
AL+
R109 12K
R110 12K
15P
C105
4.7K
R105
1K
R102
10K
R115
10K
R116
0.01
C107
0.01
C108
TP108TP106
TP104
4
5
TP204
4
TP206
TP205
TP203
TP208
67
TP207
83
21
5
67
2
31 8
1K
R201
10u50
C203
10u50
C204
1000P
C202
1000P
C201
1K
R202
4.7K
R206
15P
C206
10K
R204
10K
R203
4.7K
R205
15P
C20510K
R207
10K
R208
R210 12K
R209 12K
10K
R212
0.01
C207
0.01
C208
100P
C209
100P
C210
10K
R216
10K
R215
15P
C211
15P
C212
10K
R211
47u16
C218
47u16
C217
47K
R219
47K
R220
R218 10K
C214 100P
C213 100P
R217 10K
TP99
TP151
TP153
TP154
TP152
TP253
TP251
TP254
TP252
10K
R113
10K
R114
47K
R406
10u50
C402
1K
R404
3K
R408
0.47
C405
10K
R420
10K
R428
47K
R431
47K
R433
0.33
C418
16K
R430
2.2K
R424
0.047
C420
0.01
C421
0.047
C419
10K
R427
3K
R426
+B
-B
5.6K
R50
5.6K
R51
+15V
10K
R422
10K
R421
10K
R419
55
58
100K
R253
0.1
C251
0.1
C253
100K
R255
100K
R256
0.1
C254
0.1
C252
100K
R254
100K
R154
0.1
C152
0.1
C154
100K
R156
100K
R155
0.1
C153
0.1
C151
100K
R153
2.2K
R252
2.2K
R251
2.2K
R151
2.2K
R152
10K
R214
10K
R213
+15V
-15V
AL+
AR+
AR-
BR-
BR+
AL-
BL-
BL+
BR
BL
BL
BR
BR-
BL-
BL+
BR+ AR+
AL-
AR-
AL+
AR
AL
BL
BR
TP201
TP202
TP101
TP100
TP102
BL+
BL-
BR-
BR+ AR+
AR-
AL-
AL+
BL+
BL-
BR-
BR+
AR+
AR-
AL-
AL+
+
+
+
+
+
+
+
+
+
+ +
+
+
+
+
++
+
++

7
KAC-8405
KAC-9405/9405M
X09-8940-10 (2/4)
JIHGF
15.0V
-15.0V
15.0V
-15.0V
IC14
Q714
S5
CN3
S1
S4
Q21
Q706
Q708
Q707
D17 D16
Q20
D15
Q712
Q711
Q19 Q17
D14
Q18 Q16
D707
Q710
Q709
Q713
Q11
Q15
Q14
Q10
Q13
Q12
D13
D706
D12D11
D18
D10
F
/LPF
IC6(1/2)
IC6(2/2)
IC5(2/2)
(1/2)
IC5
IC7(2/2)
(2/2)
(1/2)
IC7(1/2)
IC8
IC8
HPF/OFF/LPF
(1/2)
IC15
(2/2)
IC15
-1.5dB
-3dB
ATT
MONO/ST
50Hz-200Hz
DC/DC
5
V AVR
THERMAL DET
CLIPPER
DC/DC CONTROL
TP725
TP601
TP602
2154376
R304
1K
C302
10u50
6
57
4
2
R301
430
R302
430
VR1
R310 18K
C304 27P
TP302 R308
3K
C305
0.01
R309 18K
C303 27P
TP301
R307
3K
R303
1K
C301
10u50 31
8
R328
47K
5
6
TP304
R312
10K 7
4
2.2K
R316
10K
R322
10K
TP308
R320
3K
C320
10u50
4
5
67
R319
3
VR3
1
R318
C312
0.33
TP310
R317
2.2K
C311
0.33
TP311
TP309
2
R311
10K
TP303
8
TP305 R315
10K
R321
10K
3K
TP307
C322
10u50
C321
10u50
6
4
57
C315
0.01
38
21
R326
47K
R325
47K
R327
47K
C319
10u50
83
21
C24
47u25
R726
10K2.4K
R760
R724
10K
1.6K
R759
R732
5
6
8
4
7
2.2K
TP714
10K
10K
R725
R722
TP713
TP712
R731
2
3
TP709
1
2.2K
R736
R739
22K
R761
1.5K
TP718
C715
1u50
TP724
R741
1.5K
TP723
R745
R742
10K
R744
R737
220K
10K
TP720
TP722
R743 R740
16K
C23
47u25
TP59
C18
TP58
1500P
10
11
9
TP719
TH1
TP721
6
7
8
C16
2200u16
1500P
C14
TP52
R45
47
TP54
R43
47
C17
TP57
1500P
14
13
15
12
L2
7 : 3
TP56
R46
3
4
2
5
C15
2200u16
1
10
1/2W
47
R44
TP53
47
R42
10u50
TP51
C717
R753
10K
10K
R751
R752
6.8K
TP730
TP502
TP501
10K 16K
R747
TP727
1.5K
R746
10K
TP726
10K
TP728
R750
TP729
10K
TP46
TP44
R41
4.7K
TP48
R39
56
R37
1.5K
TP42
TP38
R55
10K
GND
RT
CT
DTC
FBACK
IN1-
IN1+
TP43
R40
4.7K
TP47
R38
56
R36
1.5K
TP45
TP41
C12
R35
TP39
10K
R54
390
0.1
TP37
C1
C10
10u50
R27
18K
C9
1000P
8
7
6
5
R28 1K
R29
100K
C11
47u50
TP35
4
3
2
1
OUTCTRL
E1
VCC
E2
C2
9
10
11
12
REF
IN2+
IN2-
13
14
15
16
TP34
TP33
TP32
8
R305 47K47K
R306
10K
R314
10K
R313
0.01
C306
C314 0.047
R324 16K
R323 16K
C313 0.047
0.01
C316
TP716
TP715
TP717
330K
R34
10u50
C13
1/2W
10
R48
1/2W
10
R47
9
29
30
4.7K
R730
220K
R728
220K
R727
4.7K
R729
C721 0.01
AR
AL
SW14V
BU
47K
R734
12K
R735
68K
R738
47K
R749
3
R31 10K R32 10K
2
6.2K
R33
10K
R30
13
+15V
-15V
AL
AR
BR
BL
R
L
47
46
10
9
10
SW14V
R762
82
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

8
KAC-8405
KAC-9405/9405M
X09-8940-10 (3/4)
KLMNO
29.0V
-29.0V
29.0V
29.0V
-29.0V 29.0V
-33.0V
D519
D520 D512
D511
D602
Q604Q602
Q608 Q612
Q606
D612
Q614Q610
Q620
D604
Q616
D608
Q622
Q626
Q698
D606
Q624
D610
Q628
D601
Q603Q601
Q605
D611
Q613Q609
Q607 Q611
Q619
D605
Q697
Q627
Q623
D609
Q615
D603
D607
Q621
Q625
D504
D514
D510
D506 D505
D508
D509
Q520
D507
Q599
Q501 Q503
Q505
D517
D513
D503
Q514Q510
D502
Q504Q502
Q506
D518
Q508 Q512
D501
Q513Q509
Q507 Q511
Q516
Q528
Q530
Q524
Q522 Q526
D516
Q598
Q597
Q529
Q521
D515
Q525
Q523
Q527
Q515
-1.5dB -3dB MUTE
-3dB-1.5dB MUTE
POWER AMP
POWER AMP
TP534
TP532
C522
TP531
C521
330u35330u35
TP533
TP604
TP608
R602
5.6K
TP606
R610
5.6K
TP610
TP612
R628
22K
R624
TP620
680
TP624
C602
10u50
C608
R622
47K
47P
TP904
R630
22K
TP626
680
TP622
R626
470
R656
C620
1000P
R652
3P
R638
1.8K
R634
C614
47P
TP628
100
R644
56
R648
47
TP634
TP636
C616
47P
TP630 TP632
C610
47u25
R632
2.2K
C612
R636
100
TP911
C618
10u50
47
C622
1K
R654
1K
1000P
TP912
R650
R666
TP638
TP640
1.1K
01
R668
01
R664
R601
5.6K
R607
10K
R609
5.6K
R613
10K
R627
22K
470P
R617
15K
C603
C601
10u50
680
R625
C607
R621
47K
47P
R629
22K
680
R623
R514R508
R502
5.6K
R510
5.6K
10K
R512
10K
13K
R516
R518
12K
15K
10u50
C502
680
R524
C508
47K
R522
47P
R528
22K
R530
22K 680
R526
680
R525
470
1000P
3P
R635
100
C615
47P
C609
47u25
R631
2.2K
1.8K
R637
47
R649
C617
10u50
C621 C619
R653
1K
R651
1K
R655
1000P
C613
47P
R633
C611
R643
56
100
47
R647
R667
01
R665
01
R661
1.1K
470
R534
100
R550
56
47P
R532
2.2K
C512
3P
C510
47u25
1.8K
R544
R554
47
C524
10u50
R560R558
1K
R562
1K
TP530
R536
C516
100
R535
C520
10u50
C518
220u35
100
R556
47
C519
10u50
1K
C517
R538
220u35
1K
R537
R501
5.6K
10K
R507
10K
R513
R509
5.6K
470P
15K
R517
C503
C501
10u50
R529
22K
R527
22K
680
R523
470
C515
47P
C509
47u25
C513
47P
R531
2.2K
C511
3P
56
1.8K
R543
R549
C523
10u50
R559
1K
R557
1K
R561
R533
100
TP614
TP618
TP616
10K
R614
10K
R608
13K
R612
12K
R616
15K
R618
3.9K
R620
470P
C604
47
R606
47
R604
TP603
TP607
TP65
TP609
TP611
TP613
TP615
TP617
TP903
TP619
TP625
TP621
TP627
TP629TP631
TP909
TP633
TP635
TP910
TP637
TP639
47
R603
47
R605
4.7
R658
1.1K
R662
4.7
R659
1.1K
R663
100
R640
560
R642
100
R639
560
R641
TP526
TP504
TP508 TP506
TP520
TP512
TP510 TP514
TP516
TP518
TP902
TP507
TP505
TP503
TP525
TP522
TP521
TP511
TP509 TP513
TP515
TP517
TP901 TP527
TP519
TP539TP540
TP544
TP908
TP542
TP907
TP536 TP538
TP546
TP906
TP541
TP905
TP537 TP535
TP545
TP543
47
R506
47
R504
3.9K
R520
470P
C504
01
R574
01
R572
4.7
R564
1.1K
R568
1.1K
R570
47P
C514
1000P
C528
1000P
C526
560
R548
100
R546
47
R503
47
R505
12K
R615
13K
R611
13K
R511
12K
R515
3.9K
R519
3.9K
R619
47K
R521
47P
C507
560
R547
100
R545
01
R571
01
R573
4.7
R565
1.1K
R569
1.1K
R567
1000P
C525
1000P
C527
47
R553
47
R555
TP529
C530 6P
R576 47K
R669 47K
C623 6P
C529 6P
R575 47K
R670 47K
C624 6P
4.7
R660
4.7
R657
4.7
R566
4.7
R563
R
L
AR
ALL
R
5
46 29
47 30
+
++
+
++
+
+
+
+
+
++
+
+
+
+
+

9
KAC-8405
KAC-9405/9405M
X09-8940-10 (4/4)
CAUTION : For continued
safety, replace safety critical
components only with manu-
facturer’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 mea-
sured with a high imped-
ance voltmeter. Values may
vary slightly due to varia-
tions between individual
instruments or/and units.
TSRQP
1
2
3
4
5
6
7
-33.0V 33.0V
-33.0V
33.0V
14.4V
14.0V
12.0V
KAC-8405/9405/9405M
Q701
Q630
Q632
Q631
Q629
D509 D507
Q
599
D704
D705
Q705
Q704
Q703
D702
Q702
D701
Q9
Q4
D7
Q6
D6
Q5
D5
Q3
Q2
D9
D8
Q1
D2
D3
D4
Q8
Q7
P1
J3
Q532
Q534
Q533
Q531
CN2 CN1
DC PROTECTION
SIGNAL LINE
B LINE
B LINE
GND LINE
FAN FAN
OVER CURRENT
IC1-13 : BA4560RF
IC14 : TL494IDR
Q1 : 2SB1241
Q2,3,6-8,501-508,511,512,
523,524,601-608,611,612,
621,622,702-704,706,710,
713-715 : 2SC4154(F)
Q4,5,9,509,510,513,514,
609,610,613,614,701,
707-709,712,716
: ISA1602AM1(F)
Q10,11 : RT1P141M-T111
Q12,15 : 2SC6120
Q13,14 : 2SA1577
Q16-19 : STP60NF06FP
Q20 : 2SD2012-F
Q21 : 2SB1375-F
Q515,516,520,525,526,615,
616,623,624
: KTA1268-P
Q521,522,619,620
: 2SC4081(S)
Q527,528,625,626
: 2SC1627A-F
Q529,530,627,628
: 2SA817A-F
Q531,532,629,630
: 2SC4468NF
Q533,534,631,632
: 2SA1695NF
Q597-599,697,698
: KTC3200-P
Q705 : 2SD1863
Q711 : RT1N141M-T111
D2,203,204 : RKZ6.8KG(B2)
D3,507-510 : RKZ15KG(B2)
D4,515,516,609,610,707
: LM1MA142WA-G
D5,701 : RKZ10KG(B2)
D6,13,706,708,709
: LM1MA142WK-G
D7 : B30-3220-05
D8,9 : B30-1770-05
D10-12,18,503-506,513,514,
517-520,603-608,611,612,
702,705,710
: HSU119TRF-E
D14 : FCH10A20
D15 : FRH10A20
D16,17 : RKZ16KG(B2)
D501,502,601,602
: 1SS302-F
D511,512 : RKZ4.7KG(B2)
D704 : RKZ12KG(B2)
MUTE
DRV
P-CON
R666
TP642
TP638
TP640
1
.1K
0.1
2W
R668
0.1
2W
R
664
TP644
R667
0.1
2W
R665
0.1
2W
R
661
1
.1K
1K
R537
R715
47K
R714
47K
R713
47K
R712
47K
C709
0.01
C707
10u50
R720
4.7
C708
10u50
R719
680
TP711
220u10
R716
C706
220u10
12K
R717
10K
TP708 R718
47K
TP707
R710
R711
82K
82K
C703
R709
C705
0.1
47K
R708
C704
10K
R707
10K
0.01
0.1
10K
TP706
R706
10K
R705
R703
3.3K
C702
0.01
TP703
TP704
R704
R702 10K
10K
TP705
C701
TP702
R701
2.2K
R25
TP30
R26
TP31
10
TP19
C6
R17
10K
0.01
TP22
TP24
75
R16
R13
TP21
100K
220K
R12
C4
10u50
TP20
TP18
TP11
TP26
TP701
R21
2.2K
R6
1.5K
R20
2.2K
TP25
10u50
C3
3.9K
3.9K
TP14
TP16 R2
R1
TP17
TP15 TP13
TP12
R23
470
R24
10K
C8
0.47
47u25
C7
R18
180K
TP29
47K
R22
22K
TP28
TP27
C532
C531
0.047
0.047
10
C901
C902
0.01
60W/4
180W/4
90W/2
BTL
3
12
4
7
56
8
11
9
10
26uH
L1
C1
10u50
30Ax2
TP637
TP639
TP641TP643
4.7
R
658
1
.1K
R
662
4.7
R
659
1
.1K
R
663
TP544
TP548 TP550
TP546
TP545
TP549 TP547
TP543
2W
0.1
R574
2W
0.1
R572
4.7
R
564
1
.1K
R
568
1
.1K
R
570
2W
0.1
R571
2W
0.1
R573
4.7
R
565
1
.1K
R
569
1
.1K
R
567
TP529
4.7
R
660
4.7
R
657
4.7
R
566
4.7
R
563
21 21
10u50
C5
1K
R11
33K
R14
75K
R15
3K
R10
33K
R4
3.9K
R3
3.9K
R5
33K
R7
R8 6.8K
R9 4.7K
1
C2
1/2W
10
R672
1/2W
10
R671
1/2W
10
R578
1/2W
10
R577
0.047
C625
0.047
C626
TP648
TP647
TP554
TP553
TP10
TP9
TP8
TP7
TP6
TP1
TP2
TP3
TP4
TP5
R19 1.5K
55 58
3
2
-B
-15V
+B
+15V
SW14V
+B
BU
13
5
10
C903
BATT
GND
P-CON
BL+
AL+
AL-
BL-
BR-
AR-
AR+
BR+
+
+
+
+
+
+
+
+
2SA817A-F
2SC1627A-F
B
C
E
2SB1375-F
2SD2012-F
2SC4081

10
KAC-8405
KAC-9405/9405M
EXPLODED VIEW
3
2
1
BA
(X09-894)
(B/2)
(X09-894)
(A/2)
J1
J2
J3
VR1
VR3
VR2
VR4
F1
F2
FC1
715
715
714
12
6
6
7
Bx2
1
21
5
E
8
E
E
Gx2 Zx11
C
C
C
C
C
3
9
E
E
E
E
E
E
E
E
Ex5
Ex4
Ex2
723
720
Ax8
Ax4
Ax4
F
F
715
719
16
E
F
F
719
16
E
702
A
B
C
E
F
G
Z
: N09-6365-05
: N09-6726-05
: N80-3008-43
: N89-3008-48
: N89-3016-48
: N09-6447-05
: N09-4214-08
Bundled to the
transistor.
Bundled to the
transistor.
Bundled to the
transistor.
Parts with the exploded numbers larger than 700 are not supplied.