AE
AF
AH
AJ
AL
AN
AG
AI
AK
AM
C95
3300P
4
3
2
1
SL ch
SW ch
SR ch
GND
3300P
C94
3300P
C193
3300P
C196
3300P
C195
3300P
∗
C144
3300P
∗
C143
1K
C121 100P
R170
100
R164
100K
R436
47K
R168
C166
1K
2.2K
R166
+
3.3u50
C164
C178
C186
47P
5P
6.8K
R172
2200P
3.3K
R176
1.5K
330P
R178
C172 100P
1.5K
C170
R174
R190 47K
C176 10P
C174
220u10
∗
R180
330 1/4W
R188
C168
Q46
220
R184
1/4W
R182
1/4W
220
1/4W
5.6K
R186
R402
C188
220 1/4W
47 1/4W
1K
R192
R196
47P
470
R198
VR6
∗
R404
4700P
30K
560P
47 1/4W
22u50
C184
R194
Q52,54
100
R406
R408 470
100
R1
19
R113
100K
R433
47K
R117
C115
1K
2.2K
R1
15
C
111
3.3u50
+
+
3.3u50
C1
13
C127
47P
6.8K
R121
C135
2200P
R125
1.5K
330P
3.3K
R127
1.5K
C1
19
5P
R123
R139 47K
C125 10P
C123
220u10
∗
R129
330 1/4W
R137
C1
17
Q25
220
R133
1/4W
R131
1/4W
220
1/4W
5.6K
R135
220 1/4W
47 1/4W
R141
R145
47P
C137
470
R147
VR3
4700P
∗
R383
R381
30K
560P
47 1/4W
22u50
C133
R143
R142
1K
Q31,33
R385
100
R387 470
1
4
3
2
GND
-12V
GND
+12V
L5
∗
C93
R102
∗
C92
R101
33K
10K
0.22
∗
W1
1
R100 33 1/4W
∗
C90
L2 512nH
2W
4.7
∗
W10
0.22
33 1/4W
33 1/4W
L1
4.7
∗
C91
2W
512nH
R99
R199
R335
R331
1.8K 2W
13
R334
4.7K
47K
∗
K2
∗
R202
∗
C142
R152
∗
C141
R151
R201
∗
C191
∗
C192
512nH
33K
10K
∗
C190
∗
W12
512nH
2W
4.7
∗
C189
∗
W13
0.22
0.22
33 1/4W
33 1/4W
∗
L6
2W
4.7
∗
R200
512nH
R150
L4
33K
15K
∗
C139
∗
W14
0.22
2W
4.7
∗
C140
∗
W15
0.22
33 1/4W
R149
512nH
L3
2W
4.7
R337
R332
1.8K 2W
47K
14
R336
4.7K
∗
K3
R338
4.7K
R339
47K
+B
R333
1.8K 2W
11
∗
K4
∗
K5
33K
15K
R389 33K
15K
47K
R341
12
R340
4.7K
R104 390 2W
∗
R414
22u50
C362
∗
R413
C361
22u50
R103 390 2W
R367
R365
R366
R364
R41
1
R409
R392
R390
R391
SURR RL
Y
11
SPB RL
Y
SB SW SELECT
SB OUT
SB MUTE
SURR MUTE
SW OUT
SP
A
RL
Y
2
5
3
FR
5
4
1
12
C RL
Y
15 14 13
A
MUTE
LIMITER
-6dB A
T
T
20dB
SB PREMUTE
SURR MUTE
TA
P
R
L
Y
PWR RL
Y
VOL
SEL
DA
T
A
VOL
SEL
CLK
VOL
SEL
ST
90
6
7
9
8
10
DET
1
2
1
DET
2
3
5
4
70
60
30
50
40
HP
R
6
HP
L
7
9
8
D GND
-30V
2
1
PROT2
PROT1
5
3
4
560 1/4W
2.2u50
C364
R607 100K
1.2K
R608
∗
C363
R450
1K
R451
22K
∗
C369
∗
R470 22K
R476
R609
10K
R452
10K
R610
10K
R455
360
R453
360
390 1W
R454
10K
R456
R458 82K
R460 43K
R459 22K
R457 82K
R462 15K
R461 15K
1
2
R465 100
R463 82K
R464 82K
C365
220u 10
4.7u50
3.3K
R468
100K
R466
R467
C366
1.5K
R474
R473
1K
C370
220u10
1000P
R469
7.5K
R471
3.3K
1.5K
R472
C367
10K
4.7u50
C368
R475
7.5K
GND
2
4.7K
1/4W
R325
∗
C322
1 1/4W
R321
1.8K 2W
K1
3
V.REG.
R306
100 1/4W
1 1/4W
10u100
C316
C318 22u100
C317 22u100
R329 47K
33u100
C315
330
R327
∗
W8
R330 47K
R326
100
R328
4.7K
1/4W
R322
C321 10P
22u50
R309
100
R308
C306 100u100
2.7K
R307
8.2K
C309
10u50
C308
R301
R323
4.7K
R324
47K
R319
∗
C301
2.2
0.01
C450
1000P
C453
C451
C452
1000P
1000P
∗
C302
0.01
C303
C323 1000P
C600 100u25
R600 100
220
∗
R304
R305
∗
C305
10K
R302
220u10
C304
VL
4
VH
1
5
UNREG.
VL
GND
VH
2
3
1
∗
R303
C357
C360
Q359
30
70
60
2
3
40
1
5
4
1
2
Q305-308,313
Q303
Q304
28.7V
+15.4V
+15.4V
28.7V
50
90
2
1
3
4
25
7
5
6
14
13
12
11
26
27
6
7
3
4
12.2V
+12V
+12V
28.7V
+B
+B
+B
+12V
+B
B
B
+B
+B
B
B
B
B
B
B
B
48.3V
+B
B
48.3V
B
+B
+B
B
B
+15.4V
12
11
9
10
+B
+B
48.3V
+B
+47.2V
+
33K
R410
+
+
+
1/4W
+
SW GND
1
SL GND
2
22P
∗
C326
∗
C307
∗
R318
∗
R317
1W
1/4W
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+B
+
+
+
+B
+47.2V
+47.2V
+47.2V
+47.2V
+15.4V
+15.4V
+15.4V
48.3V
48.3V
48.3V
28.7V
12.2V
12.2V
12.2V
+12V
+12V
J5
∗
J6
∗
WH1
FRONT A
SPEAKERS
∗
J7
SWch
Q336
D
Q46
D30
Q42
Q44
Q48
MIRROR
CURRENT
1st
D6
IDLE ADJ.(SWch)
2ND
Q50
Q54
PROTECTION
Q358
AMP
POWER
Q52
D60
Q333
SURROUND Lch
Q25
D29
Q21
Q23
Q27
MIRROR
CURRENT
D3
Q29
Q33
Q355
Q31
D55
CN2
D54
RLY
DRIVER
Q309
D32
(FL/FR)
D53
D61
(C/SW)
DRIVER
D33
Q310
RLY
DRIVER
(SL/SR)
Q311
D34
RLY
D35
Q312
D58
D57
SP.B
RLY
DRIVER
CN6
CN7
D63
D69
Q607
Q359
D64
D68
Q360
D66
Q361
SUPPLY
PROTECTION
Q362
Q363
Q364
Q365
Q307
∗
Q313
Q308
∗
D25
∗
D26
Q306
Q304
D18
D19
D13
Q301
Q305
D27
D12
D11
D15
D14
Q303
D17
Q302
D16
WH3
CN1
∗
D23
∗
D24
PROTECTION
AMP
POWER
IDLE ADJ.(SLch)
2ND
1st
PROTECTION
AMP.DC
DRIVER
-6dB ATT.
MUTE
DRIVER
TAP RLY
CONT.
LIMITER
+15V AVR
-30V AVR
D67
D65
4/4
WH92
X14-A/11-
4/4
WH91
X14-A/11-
to MAIN
TRANSFORMER
4/4
CN2
X14-F/11-
WH42
4/4
X14-D/11-
3/4
CN302
X25-B/2-
Lch
Rch
Cch
CENTER
Rch
Lch
FRONT B
SPEAKERS
Lch
Rch
Rch
Lch
FRONT B
SPEAKERS
SURROUND
4/4
∗
WH4
X25-B/2-
CN304
3/4
(X09-6760-10) (A/5)
VR-7060/7070/7080/KRF-V7070D/V7070D-S (2/4)
KRF-V8070D/V8070D-S/X9070D/X9070D-S (2/4)
OFF : -6.2V
ON : 3.1V
ON : 3.2V
OFF : -11.8V
ON : -61.3V
ON : 4.5V
OFF : 0V
47.7V
-0.6V
-48.8V
0V
16.0V
16.0V
-56.0V
-30.5V
HI-TAP
OFF : -55.3V
OFF : 55.3V
ON : 61.3V
HI-TAP
ON : -61.3V
OFF : -55.3V
HI-TAP
0.6V
-46.2V
-46.2V
0V
-46.8V
46.2V
33.3V
1.2V
-1.2V
46.8V
0.6V
-46.2V
-46.2V
0V
46.2V -46.8V
46.8V
33.3V
1.2V
-1.2V
47.2V
4.9V
4.9V
20mA
20mA
BF-5
BF-6
BU-4
BV-4
BD-5
BD-6
AS-1
AR-1
KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080
Y05-4700-10
CAUTION:
For continued safety, replace safety critical compo-
nents only with manufacturer's recommended parts (refer to parts
list).
indicates safety critical components. For continued protec-
tion 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 imped-
ance type voltmeter with no signal input. The measurement value
may vary depending on the measuring instruments used or on the
product.
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
