-B LINE
+B LINE
-17.0V
16.8V
0V
0V
0V
-16.9V
17.0V
0V
13.6V
0V
0V
0V
-13.5V
0V
0V
0V
0V
0V
0V
0V
-17.0V
16.8V
0V
0V
0V
0V
-16.9V
17.0V
0V
0V
0V
13.6V
13.6V
0V
0V
0V
0V
-13.5V
0V
0V
0V
0V
0V
0V
0V
17.0V
0V
-16.9V
0V
0V
0V
-17.0V
16.8V
0V
0V
0V
-13.5V
0V
0V
0V
0V
0V
0V
0V
13.6V
0V
0V
0V
-13.5V
0V
0V
0V
0V
0V
0V
0V
17.0V
0V
0V
0V
-17.0V
17.0
-17.0V
0V
0V
0V
17.0V
0V
0V
0V
-17.0V
0V
0V
0V
17.0V
0V
0V
0V
-17.0V
0V
0V
0V
-17.0V
17.0
0V
0V
0V
-17.0V
17.0
0V
0V
0V
17.0V
0V
0V
0V
0V
0V
0V
0.8V
0.8V
-17.0V
0V
0V
0V
0V
0V
0V
-17.0V
17.0V
0.8V
0.8V
17.0V
0.8V
0.8V
0V
0V
0V
0V
0V
0V
-17.0V
0V
0V
0V
0V
0V
0V
-17.0V
17.0V
-16.8V
12.0V
OFF:0V
ON:0.7V
5.0V
16.2V
16.2V
-16.8V
16.1V
0.7V
16.2V
-16.9V
-17.0V
4.9V
2.3V
2.3V
0.7V
4.9V
-15.0V
-17.0V
15.1V
17.0V
12.0V
0V
0V
0V
0V
16.8V
0V
0V
0V
0V
-13.5V
0V
0V
0V
13.6V
0V
0V
0V
0V
0V
0V
13.6V
0V
0V
-13.5V
0V
0V
-13.5V
0V
0V
0V
0V
0V
0V
13.6V
0V
0V
0V
0V
0V
0V
-13.5V
0V
0V
0V
13.6V
0V
0V
0V
)
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1
2
3
4
5
6
7
8
9
10
+17V
-17V
MUTE
Rt
GND
Lt
GND
Rch
GND
Lch
Cch 16
19
GND
S.Wch 18
GND 17
GND 15
SLch
GND
14
13
SRch 12
GND 11
44
12
33
1
43
13
42
14
41
15
40
16
39
17
38
18
37
19
36
20
35
21
34
22
23
2
33
1
43
0
52
9
62
8
72
7
82
6
92
5
10
24
11
23
VDD
NC
VSS
ST
DATA
NC
CK
GND
TREBLE
BASS
BASS
TREBLE
R55
680
1.3K
R53
R51
2.7K
R52
2.7K
R54
1.3K
R56
680
C233 0.01
C232 0.01
C236
220P
C235
220P
C234
220P
R376 100
R375 100
R374 100
R85
680
R83
1.3K
+
–
–
+
+
C9
4.7u35
+
22u35
C471
R11 240K
R19 240K
R13
11K
C13 27P
R15 22K
C17 47P
+
4.7u35
C19
R21 100K
C223 0.01
C221 0.01
R17 100K
R3 22K
R5 9.1K
C5 100P
100P
C3
C1 100P
R1 100K
R651 100K
R84
1.3K
R86
680
10u50
C535
+
10u50
C534
+
2.7K
R61
200
R57
1.3K
R63
680
R65
1.3K
R69
2.7K
R71
5.1K
R75
5.1K
R79
2.7K
R81
200
R77
200
R73
680
R67
R59
5.1K
200
R74
2.7K
R72
680
R68
1.3K
R70
5.1K
R76
5.1K
R80
200
R78
2.7K
R82
200
R58
5.1K
R60
1.3K
R64
2.7K
R62
680
R66
5.1K
R49
200
R47
R50
5.1K
200
R48
C197
150P
150P
C198
150P
C61
C62
150P
C113
150P
150P
C114
C165
150P
150P
C166
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
VOL ST1
VOL ST2
VOL ST3
VOL ST4
VOL DT
D GND
VOL CK
SEL ST1
SEL ST2
SEL DT
SEL CK
DB-25 GND
DB-25 POW
P2 MUTE
-12db ATT
P1 MUTE
+5V
SEL ST3
L-ST RL
F RL
S RL
C RL
SW RL
P2 RL
NC
NC
NC
Rch
GND
Lch
GND
SRch
GND
SLch
GND
Cch
GND
SWch
DB-25 POW
DB-25 GND
1
2
3
4
5
6
7
8
9
10
11
12
13
4
5
3
2
1
RLY +B
+17V
GND
-17V
RLY GND
C538 0.01
150
R350
150
R349
150
R111
150
R112
C536 0.01
150
R211
150
R212
C537 0.01
150
R312
150
R311
+
–
+
3.3u50
C105
8
1
3
2
C257 0.01
R209 220K
R207 6.8K
+
C111
C521 100P
R713 1.3K
R711
10K
C109
100P
R205 110K
C107 27P
1.6K
R203
2.2K
R201
R199 110K
GND
OUT IN
+
47u25
+
GND
C515 47u25
+
OUT
C513 47u25
+
IN
K1
R421
10K
R420 2.2K
C300 10u50
+
R200 110K
R202
2.2K
3.3u50
+
C106
1.6K
R204
C108 27P
R206 110K
10K
R712
100P
C110
C520 100P
R714 1.3K
–
+
5
6
4
7
C112
+
R210 220K
C258 0.01
R208 6.8K
C238 0.01
R100 220K
R98 6.8K
R716
R96 470K
C46 27P
R90 1M
10K
R92
R94
1.6K
2.2K
C44
1u50
+
C522 100P
C48
100P
5
+
–
6
4
7
+
C50
C49
R91
3
8
1u50
R89 1M
C45 27P
1.6K
R93
2.2K
+
R95 470K
10K
R715
R717 1.3K
R718 1.3K
C523 100P
100P
C47
2
–
+
1
+
33u35
C43
R97 6.8K
R99 220K
C237 0.01
+
0.33u50
C41
R88 1M
R87 1M
+
0.33u50
C42
1.6K
R307 6.8K
C276 0.01
R309 220K
R305 110K
C159 27P
R299 110K
C163
R301
2.2K
+
3.3u50
C157
–
+
C161
6
5
100P
+
4
7
33u35
C164
8
2
R302
3.3u50
C160 27P
R300 110K
R303
1.6K
R304
2.2K
+
R710 1.3K
R708
10K
R306 110K
R709 12K
C519 100P
R707
24K
+
–
C518 100P
C162
100P
3
1
+
C158
R308 6.8K
220K
C275
+
2.2K
C196
C195
R343 330K
C191 27P
R337 330K
C192 27P
R338 330K
R340
R342
1K
1u50
C190
1K
R704
R344 330K
10K
C516 100P
+
–
6
C194
100P
5
7
4
+
R706 1.3K
R705 1.3K
C517 100P
R703
10K
R341
R339
2.2K
+
1u50
C189
–
+
C193
3
2
100P
1
+
8
C286 0.01
R347 220K
R345 6.8K
C287 0.01
R348 220K
R346 6.8K
R336 330K
+
C188
R335 330K
C187
+
1u50
1u50
C299 10u50
R417 2.2K
10K
R418
+
K2
R414 2.2K
C298 10u50
R415
10K
+
K3
R411 2.2K
C297 10u50
R412
10K
+
K4
R408 2.2K
C296 10u50
R409
10K
+
K5
R405 2.2K
C295 10u50
R406
10K
+
K6
K6
K4
K5
K3
K2
K1
14
15
16
13
12
1
2
3
4
5
7
SEL ST1
SEL ST2
SEL CK
SEL DT
2
1
4
3
6
5
13
12
1
3
6
2
4
5
R166
680
R158
200
5.1K
1.3K
200
2.7K
680
R170
44
R162
2.7K
R160
5.1K
1
R164
1.3K
43
42
R174
2
R168
3
R172
5
R176
4
6
TREBLE
C253 0.01
C252 0.01
200
R157
1.3K
R163
VDD
VSS
41
NC
40
39
R165
680
38
37
36
R169
5.1K
33
R161
5.1K
2.7K
R159
35
34
32
31
30
29
28
TREBLE
R173
1.3K
200
2.7K
R167 R171
680
R175
680
1.3K
5.1K
1.3K
680
2.7K
200
5.1K
200
2.7K
R190
9
R182
R180
7
R178
8
R184
R186
10
BASS
12
R194
11
R188 R192
13
R196
14
+
C530
10u50
1.3K
220P
680
R195
GND
C256
15
16
17
NC
CK
DATA
19
18
ST
20
R187
5.1K
26
25
24
27
BASS
1.3K
680
2.7K
R179
R177
R191
200
5.1K
R181
R183
23
R193
21
22
200
2.7K
R185 R189
R382 100
R381 100
220P
C254
220P
C255
R380 100
C531
10u50
+
680
R266
R257
200
C271 0.01
C270 0.01
1.3K
R263
5.1K
R269
33
2.7K
R259
R261
5.1K
34
35
1.3K
R273
200
2.7K
32
R267
31
R271
680
29
R275
30
28
TREBLE
VSS
680
R265
36
37
VDD
39
NC
38
41
40
200
R258
R276
R272
R268
R274
R270
5.1K
R264
1.3K
R262
5.1K
2.7K
42
43
R260
1
44
TREBLE
1.3K
3
2
200
2.7K
6
4
5
680
680
220P
1.3K
R295
5.1K
R289
25
R281
1.3K
680
2.7K
R279
27
R277
26
200
5.1K
R283
R285
24
BASS
200
2.7K
23
R287 R291
22
R293
21
GND
20
19
C274
DATA
17
NC
CK
18
15
ST
16
+
C527
10u50
C272
220P
C273
220P
R386 100
R388 100
R387 100
1.3K
680
R292
R288
R286 R284
R282
R278 R280
R290
5.1K
BASS
9
8
7
1.3K
680
2.7K
10
200
5.1K
R296
14
13
R294
11
200
2.7K
12
10u50
+
C526
R310
0.01
C512
47u25
C514
20
24
28
29
5
6
10
14
5
6
10
14
20
24
28
29
14
10
6
5
29
28
24
20
1
8
+
–
2
3
24
28
20
29
R41 560
R43 560
R45 110K
+
10u50
C37
0.022
C33
0.022
C35
+
10u50
C533
5.6K
R39
R31 100
+
0.33u50
C31
5.6K
R35
5.6K
R37
+
0.33u50
C29
5.6K
R33
C27 100P
R29
56K
100P
C25
C23 27P
R27 300K
R25 300K
2.2K
R23
+
10u50
C21
C230 0.01
6
5
+
–
4
7
C231 0.01
R26 300K
R28 300K
C24 27P
R24
2.2K
C22
10u50
+
C26
100P
56K
R30
R32 100
C28 100P
R36
5.6K
R40
5.6K
C36
0.022
C32
0.33u50
+
C532
10u50
+
C30
0.33u50
+
R34
5.6K
R38
5.6K
C38
10u50
+
C34
0.022
R46 110K
R44 560
R42 560
6
14
5
10
10
5
14
6
R154 560
R156 560
0.022
C96
+
1u50
C100
5.6K
R150
5.6K
R146
+
0.33u50
C92
+
10u50
C528
+
0.33u50
C94
0.022
C98
5.6K
R152
5.6K
R148
C90 100P
R144 100
R142
56K
100P
C88
+
10u50
C84
100
R136
C86 27P
R140 240K
R138 240K
C251 0.01
7
4
–
+
5
6
C250 0.01
C83
10u50
+
R135
100
R137 240K
R139 240K
C85 27P
C87
100P
56K
R141
C89 100P
R145
5.6K
C91
0.33u50
+
R149
5.6K
R147
5.6K
C93
0.33u50
+
R143 100
R151
5.6K
C529
10u50
+
C97
0.022
C95
0.022
C99
1u50
+
R155 560
R153 560
29
20
28
24
3
2
–
+
8
1
7
8
+
–
6
5
10
6
14
5
R254 560
R256 560
+
1u50
C152
0.022
C148
0.022
C150
+
10u50
C524
5.6K
R252
R244 100
+
0.33u50
C146
5.6K
R248
5.6K
R250
+
0.33u50
C144
5.6K
R246
C142 100P
R242
56K
100P
C140
C138 27P
R240 240K
R238 240K
100
R236
+
10u50
C136
C268 0.01
2
3
+
–
4
1
C269 0.01
R237 240K
R239 240K
C137 27P
R235
100
C135
10u50
+
C139
100P
56K
R241
R243 100
C141 100P
R247
5.6K
R251
5.6K
C149
0.022
C145
0.33u50
+
C525
10u50
+
C143
0.33u50
+
R245
5.6K
R249
5.6K
C151
1u50
+
C147
0.022
R255 560
R253 560
28
20
29
24
7
5
4
6
2
3
1
8
10
11
9
SW A
VDD
14
13
12
CONT A
SW B
CONT D
SW D
CONT B
CONT C
SW C
VSS
R652 100K
R2 100K
C2 100P
R4 22K
R18 100K
C222 0.01
C224 0.01
R20 240K
R12 240K
C14 27P
R22 100K
+
22u35
C472
C4
100P
R6 9.1K
C6 100P
–
+
C10
+
4.7u35
–
+
C20
4.7u35
+
R16 22K
C18 47P
1
8
3
2
1
8
3
2
7
4
6
5
5
6
4
7
R659 1K
R660 1K
3K
R661
3K
R662
+
2.2u50
C11
C12
2.2u50
+
C15
100P
100P
C16
11K
R14
R126
11K
C78
100P
100P
C77
+
2.2u50
C74
C73
2.2u50
+
R666
3K
R665
3K
R664 1K
R663 1K
7
4
6
5
5
6
4
7
2
3
8
1
2
3
8
1
C80 47P
R128 22K
+
4.7u35
C82
+
–
4.7u35
+
C72
+
–
C68 100P
R118 9.1K
100P
C66
C474
22u35
+
R134 100K
C76 27P
R124 240K
R132 240K
C244 0.01
C242 0.01
R130 100K
R116 22K
C64 100P
R114 100K
R654 100K
VSS
SW C
CONT C
CONT B
SW D
CONT D
SW B
CONT A
12
13
14
VDD
SW A
9
11
10
8
1
3
2
6
4
5
7
R653 100K
R113 100K
C63 100P
C65
100P
C67 100P
R117 9.1K
R115 22K
R129 100K
C241 0.01
C243 0.01
R133 100K
C81
4.7u35
+
C79 47P
R127 22K
C75 27P
11K
R125
R131 240K
R123 240K
C473
22u35
+
4.7u35
C71
+
+
–
–
+
+
–
–
+
+
C124
4.7u35
+
22u35
C476
R224 240K
R232 240K
R226
11K
C128 27P
R228 22K
C132 47P
+
4.7u35
C134
R234 100K
C261 0.01
C259 0.01
R230 100K
R216 22K
R218 9.1K
C120 100P
100P
C118
C116 100P
R214 100K
R656 100K
R655 100K
R213 100K
C115 100P
R215 22K
R229 100K
C260 0.01
C262 0.01
R231 240K
R223 240K
C127 27P
R233 100K
+
22u35
C475
C117
100P
R217 9.1K
C119 100P
–
+
C123
+
4.7u35
–
+
C133
4.7u35
+
R227 22K
C131 47P
7
8
5
6
7
8
5
6
1
4
2
3
3
2
4
1
R668 1K
R667 1K
+
2.2u50
C126
C125
2.2u50
+
C130
100P
100P
C129
11K
R225
R326
11K
C182
100P
100P
C181
+
2.2u50
C178
C177
2.2u50
+
7
4
6
5
5
6
4
7
2
3
8
1
2
3
8
1
C184 47P
R328 22K
+
4.7u35
C186
+
–
4.7u35
+
C176
+
–
C172 100P
R318 9.1K
100P
C170
C478
22u35
+
R334 100K
C180 27P
R324 240K
R332 240K
C280 0.01
C278 0.01
R330 100K
R316 22K
C168 100P
R314 100K
R658 100K
R657 100K
R313 100K
C167 100P
C169
100P
C171 100P
R317 9.1K
R315 22K
R329 100K
C277 0.01
C279 0.01
R333 100K
C185
4.7u35
+
C183 47P
R327 22K
C179 27P
11K
R325
R331 240K
R323 240K
C477
22u35
+
4.7u35
C175
+
+
–
–
+
R670
3K
R669
3K
14
13
12
11
10
9
8
1
2
3
4
5
6
7
VDD
CONT A
CONT D
SW D
SW C
VSS
CONT C
CONT B
SW B
SW A
Lt
Rt
P2 L
P2 R
GND
+17V
-17V
7
5
C288
100K
R392
C293 220u25
C511 10u50
+
R393
2.2K
R702 3K
+
2K
R701
5
3
13
R683
100K
R394
22K
C289
10u50
47u25
680
+
R395
+
R681
82K
Q41~44
16
14
Q73,74
15
13
5
3
GND LINE
SIGNAL LINE
D GND
SEL
33u35
33u35
33u35
33u35
33u35
33u35
1
2
3
1
2
3
DATA
NC
STB
NC
VDD
7
10
12
11
CK
NC
IN2
GND
8
NC
9
R373 100
C229 220P
C301 47u25
C225 0.01
LD2
A-GND
OUT2
5
6
OUT1
IN1
LD1
4
2
3
VSS
1
+
18
15
13
14
17
16
0.01
C227 220P
C226
C302 47u25
+
R372 100
C228 220P
20
19
21
23
22
24
4
18
7
15
14
13
16
17
10
NC
DATA
NC
CK
11
12
NC
NC
STB
GND
9
8
IN2
C265 220P
R384 100
R383 100
C266 220P
19
20
22
23
21
24
2
C267 220P
R385 100
C263 0.01
C305 47u25
+
C306 47u25
C264 0.01
6
5
OUT2
A-GND
LD2
3
2
4
LD1
IN1
OUT1
VDD
VSS
1
+
R371 100
+
R379 100
C249 220P
71
8
IN2
10
CK
NC
12
11
GND
NC
8
9
15
DATA
NC
13
14
STB
NC
17
16
C304 47u25
+
R378 100
C248 220P
C303 47u25
C245 0.01
0.01
C246
OUT1
IN1
LD1
LD2
A-GND
OUT2
5
6
4
2
3
19
20
21
23
22
VSS
1
VDD
24
3
C247 220P
R377 100
18
7
10
11
12
9
8
14
15
13
NC
DATA
NC
CK
16
17
NC
STB
NC
GND
IN2
C281 0.01
C307 47u25
C285 220P
R391 100
6
5
3
2
4
1
+
C283 220P
R389 100
C282
0.01
C284 220P
R390 100
+
C308 47u25
20
19
OUT2
A-GND
LD2
22
23
21
LD1
IN1
OUT1
24
VDD
VSS
1
IC14
L
K
M
N
IC16
IC18
IC3
IC33
IC34
IC6
IC9
IC12
IC35
B
KC-Z1(M) (5/8)
(X09-4330-10) (1/2)
CN2
PRE OUT2
2 FRONT R
1 FRONT L
J6
PRE OUT1
2 FR
1 FL
J5
4 SR
3 SL
6 C
5 SW
CN6
X00-A/5-
6/8
WH3
WH1
D38
D37
D36
CN1
CN1
X08-3/3-
4/8
CN2
X14-A/9-
7/8
6/8
CN5
X00-B/5-
MUTE
Q7
IC21(1/2)
IC37
D34
D35
IC38
D33
D32
+15V AVR
-15V AVR
D9
K1
Q57
FL,FR
ON/OFF
Q8
IC21(2/2)
Q4
IC19(2/2)
MUTE
Q3
IC19(1/2)
IC22(1/2)
MUTE
Q11
Q12
IC22(2/2)
IC23(2/2)
Q16
PRE2
Q15
IC23(1/2)
MUTE
Q56
Q55
Q54
Q53
Q52
K2
K3
K4
K5
K6
ON/OFF
TONE
ON/OFF
SL,SR
SUB W.
ON/OFF
ON/OFF
C
ON/OFF
PRE2
D8
D7
D6
D5
D4
TONE ATT. (FL,FR)
TONE ATT. (SL,SR)
TONE ATT. (C,SW)
(BOTTOM VIEW)
TONE
AMP
IC13(1/2)
IC13(2/2)
FL
FR
SR
SL
IC15(2/2)
IC15(1/2)
AMP
TONE
TONE
AMP
IC17(2/2)
IC17(1/2)
C
SW
IC1(1/2)
IC2(1/2)
IC2(2/2)
IC1(2/2)
ELE.
VOLUME
(FL,FR)
-12dB
ATT
FL
FR
SR
SL
ATT
-12dB
(SL,SR)
VOLUME
ELE.
IC4(2/2)
IC5(2/2)
IC5(1/2)
IC4(1/2)
IC7(2/2)
IC8(2/2)
IC8(1/2)
IC7(1/2)
ELE.
VOLUME
(C,SW)
(FL2,FR2)
VOLUME
ELE.
IC10(2/2)
IC11(2/2)
IC11(1/2)
IC10(1/2)
SW
C
ATT
-12dB
(BOTTOM
VIEW)
VIEW)
(BOTTOM
D31
D30
D29
CONT
D1
MUTE
Q41
Q42
D2
PRE2
Q74
Q44
PRE1
MUTE
Q43
Q72
Q73
MUTE DRIVE
-12dB
D10
D11
ATT.
1/8
X09-2/2
TA7815S
Q3,4,7,8,11,12,15,16
IC38
IC14,16,18
IC37
IC33~35
IC3,6,9,12
: LC4966
uPC7815AHF or
TA79015S
uPC7915HF or
:
:
TC9274F-009
NJM4580E
TC9212F
:
:
:
15,17,19,21~23
D25~31,36~38
D1,2,4~11
Q72
Q52~57
DA204U
DAN202U
:
:
DTC124ES
UN4212 or
2SC2003(L,K)
:
:
Q42,44,74
Q41,43,73
DTA124ES
UN4112 or
DTC143TS
:
2SC2878(B)
UN4216 or
:
:
IC1,2,4,5,7,8,10,11,13,
D32~35
U1BC44
:
D28
D26
D27
D25
VIEW)
(BOTTOM
VIEW)
(BOTTOM
CG
1
2
3
4
5
6
7
CH
CI
CJ
CK
CL
CM
CO
CQ
CS
CU
CW
CY
DA
CN
CP
CR
CT
CV
CX
CZ
Y05-3140-10
KC-Z1/RC-Z1
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.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The
measurement value may vary depending on the measuring
instruments used or on the product.
DOLBY and the double-D symbol are trademarks of Dolby
Laboratories Licensing Corporation. Noise reduction circuit
made under license from Dolby Laboratories Licensing
Corporation.
w
w
w
.
x
i a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
