KAC-6403
9
J
I
H
G
F
1
2
3
4
5
6
7
X09-8542-70 (2/2)
CAUTION : For continued safety, replace 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 measurements 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.
Q618
Q615
Q617
Q616
Q106
Q104
Q112
D104
Q102
Q101
D102
Q108
Q110
D101
Q107
Q109
Q103
Q105
D103
Q111
Q116
Q114
Q118
D108
Q120
Q124
D111
D106
D105
Q117
Q121
D110
Q122
D109
Q113
Q115
D107
Q119
Q126
Q125
Q123
Q611
Q610
Q613
Q612
Q614
P1
J9
AL
AR
D614
D616
D1
D613
Q206
Q201
Q202
Q204
Q203
Q205
Q214
Q212
D204
D208
Q216
Q224
Q220
BR
D209
Q208
Q210
D202
D201
Q207
Q209
Q218
D210
D206
D205
D211
Q213
Q211
D203
Q217
Q215
D207
Q219
Q222
Q226
Q221
Q225
BL
Q223
D604
Q605
D605
Q602
D610
Q601
D602
D601
D603
Q603
Q604
D606
Q606
D607
GND LINE
SIGNAL LINE
B LINE
B LINE
MUTE
POWER AMP
DC OUTPUT VOLTAGE DET
S2
OFF/HPF
Q131
Q132
2/2)
C6
)
Q231
Q232
D10
D608
-3dB
ATT
INVERTER
MP
UFFER
IDLE
(AL)
ADJ
(AR)
ADJ
IDLE
(BL)
IDLE
ADJ
(BR)
IDLE
ADJ
DC/DC
CONVERTER
ATT SIGNAL
CONTROL
ATT SIGNAL
CONTROL
INPUT
MUTE
INPUT
MUTE
B-CLASS
MUTE
STAGE
POWER ON/OFF
OVER-
DET
CURRENT
B-CLASS
STAGE
MUTE
INPUT
MUTE
POWER
AMP
POWER
AMP
POWER AMP
AMP
POWER
POWER
AMP
IC1-7,9
: BA4560RF
IC13
: TL494IDR
Q11,12
: DTA114EUA
Q101,102,131,132,201,202,231,232,
601,605,606,610-613,616,618
: 2SC4081
Q103-106,203-206,603,
614,615,617
: 2SA1576A(R,S)
Q107-110,115,116,207-210,215,216
: 2SC1845-A(F,E)
Q111,112,117,118,211,212,217,218
: 2SA992-A(F,E)
Q113,114,213,214 : 2SC3419(Y)-F
Q119,120,219,220 : 2SC1627A-F
Q121,122,221,222 : 2SA817A-F
Q123,124,223,224 : 2SC4467NF
Q125,126,225,226 : 2SA1694NF
D1
: RM4ZLF-J4NF
D2,3
: 02DZ16F-Y
D4
: FCH10A20
D5
: FRH10A20
D6,34,36,105,111,205,211
: LM1MA142WK-G
D7-10,101-104,107-110,201-204,
207-210,601-603,605,608,613,616
: 1SS355
D32,33
: UMZ6.8N
D35,37,106,206
: LM1MA142WA-G
D604,614
: 02DZ10F-Y
D606
: 02DZ15F-Y
D607
: 02DZ6.8F-Y
D610
: B30-1743-05
2SA1577
Q9,10
:
2SC4097
Q7,8,602
:
2SB1241
Q604
:
STP60NF06FP
Q5,6
:
2SB1375-F
Q4
:
2SD2012-F
Q3
:
TP391
TP392
TP390
TP395
TP394
6.8K
R667
TP393
TP361
TP61
TP372
TP360
TP370
TP369
TP371
TP59
TP58
TP365
TP40
TP39
TP364
TP37
TP38
TP397
TP381
TP380
TP396
TP398
TP55
K
16
15
14
13
12
11
10
9
IN2+
IN2-
REF
OUTCTRL
VCC
C2
E2
E1
C1
10u 50
6uH
L3
1/2W
10
R458
0.047
C424
150
R223
150
R225
5.6K
R221
33
R233
470P
C903
1.8K
R229
100
R235
4.7
R245
1.8K
R249
2W
0.1
R253
470
R243
1000P
C219
1000P
C221
R239 5.1K
R241 5.1K
1.8K
R251
2W
0.1
R255
0.01
C217
510
R231
6P
C215
47K
R227
3P
C901
47P
C213
100
R237
4.7
R247
8.2K
R207
100K
R203
100
R213
100P
C211
47u25
C207
4700P
C205
820
R211
100
R219
100
R220
10
R261
C261 220u35
+
100K
R204
C204 470P
R206 47K
C203 470P
R205 47K
820
R209
820
R210
820
R212
10u50
C202
100
R214
47u25
C208
+
1.5K
R216
100P
C212
3P
C902
510
R232
47P
C214
47K
R228
6P
C216
0.01
C218
1000P
C222
1000P
C220
5.1K
5.1K
R244
4.7
R248
1.8K
R250
4.7
R246
1.8K
R252
2W
0.1
R256
2W
0.1
R254
100
R236
470P
C904
33
R234
1.8K
R230
150
R224
150
R226
5.6K
R222
47P
C260
8.2K
R208
10K
R265
10K
R266
150K
R660
100K
R659
10u50
C616
47P
C259
1.5K
R215
VR6
220
VR5
220
R622 47K
R623 47K
R620 47K
R621 47K
12K
100u10
C606
10K
R629
100u10
C608
6.2K
R635
0.01
C609
R636
2.2K
47K
R632
0.01
C607
12K
R633
C610 0.01
10K
12K
R634
22
R662
22
R661
10K
R664
10K
R663
10K
R668
47K
R671
6.8K
R670
6.8K
R665
10K
R666
33K
R669
6
5
4
3
2
1
8
9
7
10
11
BATT
GND
P CON
BL+
AL+
AL-
BL-
AR-
BR-
AR+
BR+
TP49
TP45
TP50
TP46
TP51
TP47
TP52
TP48
TP368
TP54
TP56
TP53
R238
100
C206
4700P
2.2K
R618
R637
R617
TP374
TP377
R466
10K
10K
TP378
47P
C460
8.2K
R408
R465
820
R412
820
R410
R406 47K
C404 470P
10u50
C402
C408
47u25
R414
+
R416
1.5K
4700P
C406
100
R404
100K
R403
100K
R409
TP375
820
R411
820
TP362
R405 47K
C403 470P
C401
+
10u50
R415
1.5K
R413
100
C405
4700P
47u25
C407
C459
47P
8.2K
R407
TP373
47K
R434
R426
150
R424
150
R422
5.6K
R430
1.8K
C416
6P
220
VR8
C908
470P
33
R436
100
1000P
C420
R444
5.1K
TP367
R446
4.7
R450
1.8K
R454
0.1
2W
TP376
C906
100P
C412
R420
C414
47P
R428
3P
R432
510
100
R419
100
100
R438
C418
0.01
5.1K
1000P
C422
R437
100
R433
C415
R421
5.6K
C411
100P
R431
510
C905
3P
47P
C413
47K
R427
6P
R423
150
1.8K
33
R429
VR7
220
R425
150
R439 5.1K
R443
C419
1000P
C417
0.01
R441 5.1K
C421
1000P
100
C907
470P
R435
4.7
TP43
TP42
1.8K
R456
0.1
2W
4.7
R448
R452
0.1
2W
470
R453
TP44
0.1
2W
R455
1.8K
R451
R447
TP366
TP41
R445
4.7
1.8K
R449
C201
10u50
+
3.3K
R614
R613
1.5K
10K
R606
C602
10u50
C601
33u35
R604
10K
R603
100
R607
4.7K
3.9K
R608
33K
R609
R602
820
33K
R605
TP62
R610
30K
3.6K
R611
10u50
C603
3.9K
R615
3.6K
R612
R616
3.9K
TP379
R257
10 1/2W
0.047
C223
R258
10 1/2W 0.047
C224
R457
10 1/2W
C423
0.047
+B
B
14.4V
R442
R440
470
R240
R242
470
47K
R179
R180
47K
3.3K
R201
P246
P242
3.3K
R202
10K
R268
10K
R267
6.8K
R269
6.8K
R270
7
10u50
+
C357
3.3K
R401
1
4
8
10u50
+
C356
3.3K
R402
10K
R467
R469
6.8K
10K
6.8K
R470
R468
2.2K
R35
.6K
R34
10u50
C22
+
100
R601
0.01
C41
0
.01
3.9K
R619
0.1
C617
VR5
VR6
VR7
VR8
Q131,132
31,232
Q601
Q604-606
Q611-614
Q615-618
Q103-106
Q107-114
Q207-214
Q203-206
Q115-126
Q215-226
F1 (25A)
F52-0014-05
+
+
+
+
+
+
+
+
+
+
KAC-6403
5.0V
14.2V
14.2V
0V
12V
5.0V
5.0V
14.4V
25.0V
-25.0V
-15.0V
15.0V
0V
