A
B
D
F
H
J
C
E
G
I
2
1
3
5
7
4
6
9
10
4
8
3
2
1
12
13
14
C105
15P
10K
R109
10u16
+
C103
R107 10K
R1
13 82K
10K
1000P
1K
R101
R125 10K
C131 15P
C1
13
15P
R123 10K
C33 0.01
R105
10K
R1
15 82K
10K
1000P
10u16
+
C104
1K
R102
11
6
5
7
R111 10K
C100 1000P
R100 1K
R112 10K
R1
16 82K
82K
C132 15P
R126 10K
R108 10K
R106
10K
R104
C102
C
101
R103
C32 0.01
R124 10K
15P
C1
14
22K
R127
22K
R128
10u16
+
C115
10u16
+
C116
8
10
9
R131 10K
R129
10K
14
13
12
R132 10K
10K
R130
6
5
7
2
R141 16K
3
1
0.33
C117
0.047
C1
19
10K
R133
10K
R139
50K(C)
VR1
R137
2.2K
3K
R135
C35 0.01
10u16
+
C123
+
C121
10u16
22K
R145 22K
C34 0.01
R144 22K
22K
9
10
8
12
13
14
R143
R146
10u16
+
C122
10u16
+
C124
R142 16K
0.33
C118
2.2K
R138
3K
R136
50K(C)
VR1
10K
R134
3
2
1
10K
R140
0.047
C120
R198 15K
R149
470
470
R150
0.01
C36
22u16
C128
+
15K
R148
10K
R203
1000P
C201
7
C204
R202
+
1K
10u16
11
5
R214 82K
1000P
C202
10K
R204
6
R208 10K
R206
10K
R212 10K
R216 82K
R200 1K
C200 1000P
R205
10K
R211 10K
R215 82K
6
3
+
R232 10K
R240
10K
C220
0.047
1
R226 10K
15P
R224 10K
C214
2
R228
22K
C232 15P
C216
10u16
5
R227
22K
C231 15P
C218
R242 16K
7
VR2
50K(C)
R234
10K
R236 3K
R238
2.2K
10
9
8
13
12
0.33
14
R235 3K
R237
2.2K
C41 0.01
R241 16K
0.33
2
C217
3
1
6
R248
15K
+
10u16
C222
C224
+
10u16
22K
R244
R246 22K
C43
R298 15K
5
0.01
R243
R245 22K
22K
+
C223
10u16
C228
7
+
22u16
470
470
R250
R249
C37 0.01
+
C203
R201
1K
10u16
9
C205
R207 10K
15P
10
4
82K
8
R209
10K
14
15P
C213
R223 10K
R225 10K
13
12
9
10u16
+
10
C215
C219
0.047
8
VR2
50K(C)
R231 10K
5
6
7
+
10u16
C221
12
13
14
3.6K
R312
3.6K
R31
1
10K
R233
10K
R239
100K
R318
100K
R317
6
5
7
R313
1.1K
R314
1.1K
4.3K
R316
4.3K
R315
300
R309
2.2u50
+
C305
2
3
1
R310
300
+
C306
2.2u50
10K
R229
2
3
1
C42 0.01
C301 100P
R305 4.3K
C303
0.22
24K
R307
R308
24K
C304
0.22
C302 100P
R306 4.3K
R230
10K
8
4
4
R303
R302 4.3K
C40
0.01
0.01
C39
3K
R251
R69
3.3K
3.3K
R70
10u16
+
C251
10u16
+
C252
R252
3K
47u25
C257
+
1K
R263
47u25
C258
+
820
R260
820
R259
820
R257
820
R258
∗
R265
∗
R266
0.01
C255
100
R261
100
R262
0.01
C256
10P
C259
10P
C260
82
R267
82
R268
C261
120P
C262
120P
R255
8.2K
R256
8.2K
C253 470P
C254 470P
∗
R253
∗
R254
C263 10u35
+
C265 1000P
1.5K
R275
430
R273
220(B)
VR7
100
R277
2.7K
R271
100
R279
+
C264 10u35
R272
2.7K
R278
100
R+(B)
R+(A)
R-(B)
R-(A)
NC
NC
L-(B)
L-(A)
L+(B)
L+(A)
C168
R172
2.7K
R178
100
47P
R179
C162
0.01
100
R156
8.2K
R152
3K
10u16
+
C152
10P
C160
∗
R166
C156
∗
R154
C154 470P
3.3K
R60
R162
R158
820
R160
∗
R153
3.3K
R59
C153 470P
R157
820
R159
+
820
C158
47u25
82
R168
+
820
C157
47u25
82
R167
C164 10u35
+
120P
R182
R56
1K
C18
470P
220
R58
1K
C20
470P
47P
C170
430
R173
47P
C169
100
C161
C155
0.01
3K
+
10u16
R161
100
R151
C151
R155
8.2K
R163
1K
10P
∗
R165
C159
+
120P
220(B)
VR5
C165 1000P
1.5K
R175
C163 10u35
R57
1K
C19
470P
R181
R55
1K
C17
470P
220
R177
R171
2.7K
C167
100
47P
2
1
C109 10u16
+
C1
1
1
10u16
+
C1
12 10u16
+
+
10u16
2
8
4
10
10u16
C209
+
2
10
8
4
9
7
3
1
9
7
1
3
R213
R217
51K
C21
1
10u16
+
C212 10u16
+
+
C210 10u16
R219
51K
R220
51K
51K
R218
2.2K
R221
2.2K
R222
R1
14
C1
10
51K
R1
17
R1
19
51K
51K
R1
18
51K
R120
R121
2.2K
R122
2.2K
300
R197
R297
300
22u35
+
C150
22u35
+
C250
R194 2.2K
R294 2.2K
R195 2.2K
R295 2.2K
R280
R274
430
100
C266 1000P
VR8
220(B)
R276
1.5K
C166 1000P
430
R174
220(B)
VR6
1.5K
R176
R180
100
2.7K
R170
22K
R26
47u25
C31
+
33u25
C30
+
∗
R41
3.9K
R43
∗
R42
3.9K
R44
C15 22u35
+
C16 22u35
+
C13 22u35
+
C14 22u35
+
R40 10 1/2W
C26 220u50
+
∗
L2
R39 10 1/2W
C9 1000P
2200u16
+
C10
∗
C1
1
+
∗
C12
+
2200u16
+
C45
150
R35
R36
150
4.7K
R37
4.7K
R38
R169 2.7K
R190
0.1
0.1
R188
R187
0.1
0.1
R189
4.7
R183
∗
R51
∗
R53
4.7
R185
4.7
R186
∗
R54
∗
R52
4.7
R184
2W
2W
2W
2W
R164
1K
47P
C129
C130
47P
Q101-104
Q105-108
Q25,26
Q33-36
Q209,210
C229
47P
C230
47P
R264
1K
2.7K
R269
2.7K
R270
Q201-204
Q205-208
Q31,32
Q17,18
E3
1000P
C126
1000P
C226
2.2K
R196
2.2K
R296
10K
R110
15P
C106
4
11
10K(A)
VR3
4
15P
C206
R210
10K
C38 0.01
4.3K
R301
4.3K
R304 4.3K
4
C307 10u16
+
C308 10u16
+
11
11
11
22K
R320
R319
22K
VR4
10K(A)
IC4,5
IC6
IC7
IC7
IC2
IC7
IC1
IC3
KAC-749S
KAC-849
MODEL NAME
No.
680
430
90-10
70-10
UNIT
61-64
R51-54,
43K
30K
253,254,265,266
R153,154,165,166,
215,216
Q115,116,
2SC5100 LB
2SC5101 LB 5
217,218
2SA1909 LB 5
2SA1908 LB
Q117,118,
3900u32
4700u35
C11,12
L19-0701-05
L19-0702-05
L2
A
B
YES
NO
NO
YES
B30-1613-05
B30-1460-05
D13
E40-3246-05
CN1
NO
R41,
42
22 (1/2W)
33 (1/2W)
ON/OFF
(1/4)
IC1
(3/4)
IC1
IC1
(2/4)
IC1
(4/4)
D101
D102
D103
D104
S1
(3/4)
IC7
IC2 (2/4)
IC2 (1/4)
S3
(4/4)
IC7
IC2 (3/4)
IC2 (4/4)
(1/4)
IC7
(1/4)
(2/4)
D204
D203
IC3
IC3
(4/4)
(2/4)
S2
IC5
IC5
IC7
(2/4)
S4
D202
D201
(1/4)
IC3
(3/4)
IC3
IC4
IC4
S5
S6
D29
D30
Q31
Q32
D31
Q203
Q201
Q202
Q204
Q207
Q205
Q206
Q208
Q209
J2
∗
Q118
∗
Q115
∗
Q117
∗
Q116
D24
Q112
Q108
Q107
Q104
Q102
Q26
D20
D22
Q106
Q105
D28
D26
Q30
Q28
D25
Q114
D27
Q113
Q103
Q25
D21
Q101
Q109
Q29
Q27
D23
Q111
TP1
Rch (B)
Lch (B)
J1
OUT (R)
OUT (L)
Lch (A)
Rch (A)
D43
D42
Q210
Q110
Q6
Q17
Q18
D18
D19
D16
D17
Q15
Q16
D14
D15
Q13
Q14
POWER SW
MAIN AMPLIFIER
FIRST STAGE)
(for CLASS-A
AMPLIFIER
1ST STAGE DIFFERENCIAL
2ND STAGE DIFFERENCIAL
AMPLIFIER
MUTE SW
CURRENT
IDOL
LIMMITER
OVER CURRENT DETECTOR &
COMPENSATOR
TEMPERATURE
1ST STAGE DIFFERENCIAL
AMPLIFIER
2ND STAGE DIFFERENCIAL
AMPLIFIER
MUTE SW
AVR
IC4 (4/4)
IC6
(2/2)
IC6
IC5
(4/4)
(1/2)
(3/4)
(3/4)
IC5
(2/4)
IC4
(1/4)
HPF,LPF
BUFFER,INVERTER,
BASS BOOST
INVERTER
INVERTER
HPF,LPF
INVERTER
ISOLATION
AMPLIFIER
AMPLIFIER
ISOLATION
AB/A
B.B.
ST/MONO
INPUT
SENSITIVITY
OFF/LPF
HPF/
OFF/LPF
HPF/
SENSITIVITY
INPUT
ST/MONO
(X09-53xx-xx)
IDOL
ADJ.
ADJ.
IDOL
IDOL
ADJ.
ADJ.
IDOL
AUDIO UNIT (X09-53xx-xx) (A/2)
∗
∗
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.
