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AO
AP
KRF-V7090D/VR-9050/9060/9070
Q Q
(X13- ) (E/6)
3 7 6 3 1 5 1 5 0
CN708
1
SBRch IN
1
C703
R705
SBR GND
2
3.3u50
X09-
SLch IN
3
A/4-
+
CN58
SL GND
4
+15V
5
+15.3V
AC-7
2/5
Q701
RLY GND
6
R703
MUTE
7
1K
A-CLASS-B
8
51.7V
A-CLASS+B
9
+50.5V
CN709
SL NFB
1
SLch -OUT
2
X09-
SLch +OUT
3
A/4-
CN59
CURR-PROT
4
13
DET-2
5
14
AB-7
2/5
DC-PROT
6
15
2
RLY +B
7
16
RLY CONT
8
17
C702
R706
3.3u50
+
Q702
R704
1K
SURROUND BACK Rch
2
1
WH701
+IN
1
1
3
PROTECTION
-IN
2
2
+OUT
3
3
R734
Q714
-OUT
4
4
30K
3
4
SURROUND BACK Rch
T E
L
1 3 9 4 2 2 9 6 5 1 3
(X13-7960-10)
4
DESTINATION
MODEL NAME
UNIT No.
C730
C732
J305
COUNTRY
ABB.
VR-9050
U.S.A.
K
0-10
0.1
NO
YES
VR-9050-S
CANADA
P
KRF-V7090D
EUROPE
E
2-71
0.22
YES
YES
EUROPE
E
KRF-V7090D-S
2-71
0.22
YES
YES
AUSTRALIA
X
VR-9060
U.S.A.
K
0-11
0.1
NO
YES
VR-9060-S
CANADA
P
VR-9070
U.S.A.
K
0.1
NO
NO
0-12
VR-9070-S
CANADA
P
5
CAUTION: For continued safety, replace safety critical com-
ponents 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 cus-
tomer.
6
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
w w w
surement value may vary depending on the measuring
instruments used or on the product.
7
21
X13- (E/6)
AQ
AR
+50.5V
R713
C711
1ST
5P
6.8K
C705
R709
Q703 Q705
CURRENT
2.2K
3.3u50
100
Q709
MIRROR
+
C709
R715
2200P
3.3K
C719
150P
Q707
Q711
SURROUND Lch
2ND
51.7V
+50.5V
R714
C710
1ST
5P
6.8K
C704
R710
Q704
Q706
CURRENT
2.2K
3.3u50
100
Q710
MIRROR
+
C708
R716
2200P
3.3K
C718
150P
Q708
Q712
2ND
51.7V
R746
R752
18.3V
33
1/4W
1.8K 2W
L702
K702
0.512uH
CN707
Q716
1
NC
2
SBR-SP
R750
RELAY DRIVER
3 NC
47K
(SBR)
47.6V
CN703
1
SBR-SP
2
NC
IC401-404
:
RC45801P
Q403-408,
R407-412,435-440,
R401,
W359
411,412
459,460,463,464
402
Q301-320,403-408,411,
412,701,702
: 2SC2878(B)-F
NO
NO
100K
YES
Q401,402,410
: DTA124EUA
NO
NO
100K
NO
Q409
:
KRA103M
Q703-706
: 2SA992(F,E)
NO
NO
100K
NO
Q707,708,711,712 : 2SC2631(R,S)
Q709,710
: 2SA1123(R,S)
NO
NO
100K
YES
Q714
: 2SC1845(F,E)
YES
YES
18K
YES
Q716
: KTC3200
Q718
:
TRAIT3KNNF
Q720
:
TRAIT3KPNF
D401
: MTZJ3.9(B)
D402
: MTZJ5.1(B)
D701-704,708,710 : 1SS133
D706
: 1SS244
SIGNAL LINE
GND LINE
+B
B LINE
B
B LINE
x
a o
.
i
AS
AT
(X13- ) (F/6)
CN704
Q718
3
R756
-OUT
4
47 1/4W
1
+OUT
3
4
-IN
2
2
+IN
1
5
IDLE ADJ.
Q720
(SB Rch)
1
4
2
R758
47 1/4W
5
SURROUND
3
BACK Rch
USED
VR-9070/9070-S
R450
560 1/4W
R452
15
CN301
1/4W
+12V
1
+12V
GND
2
R434
R451
15
1K
-12V
3
12.2V
1/4W
1/4W
FC SW
MUTE 4
4
SL OUT
5
FL OUT
6
C OUT
7
FR OUT 8
8
X09-
C401
SR OUT
9
9
A/4-
X09-
22u50
WH8
A/4-
FL
10
+
CN5
SL
11
2/5
C
12
2/5
13
SBR
AL-4
SR
14
AE-7
FR
15
SBR OUT
16
Q
Q
SBL OUT
17
3
7
C402
ROOMB
22u50
18
18
MUTE
+
SURR.
19
19
MUTE
C419
220u25
GND
20
C459
+
47P
C403
22u50
C420
+
100u25
GND
21
+
C404
22u50
+
C405
22u50
+
C406
22u50
+
C449
22u50
+
CN303
GND 1
X09-
u 1 6 3
y
A/4-
WH221
20dB ATT
2
SW IN
3
C452
Y-6
2/5
22u50
SBL IN 4
+
22
AU
AV
2
4
8
9
CN702
X09-A/4-
20mA
X09-
WH6
+B
1
+B
AL-4
2/5
A/4-
+58.7V
B
2
-B
CN8
2/5
AL-6
Q718,720
(X13- ) (D/6)
WH303
CN304
POWER
AMP
WH704
SBR-OUT
CN706
2
1
-58.7V
Q410
+11.9V
+11.9V
Q401
SUR. MUTE
20dB ATT.
DRIVER
DRIVER
R430
10K
12.2V
R429
R428
10K
1K
+11.9V
Q409
Q402
SB MUTE
19
DRIVER
R433
402
1K
R431
10K
R343
C463
401
47u25
+
+11.7V
IC401(1/2)
8
F L
R419
8
3
C464
R344
22
1
47u25
2
20dB ATT.
∗
C441
+
R435
C431
R353
100u10
R413 4.7K
10K
47u25
∗
+
R407
C425 100P
∗
+
560
Q403
∗
C426 100P
R436
∗
R408
C442
10K
560
100u10
R414 4.7K
∗
+
Q404
R420
6
3
1
6
5
1
5
0
8
20dB ATT.
22
7
5
4
F R
IC401(2/2)
C432
R354
12.2V
47u25
+11.7V
IC402(1/2)
+
S L
8
R421
C433
R355
3
22
47u25
1
2
+
20dB ATT.
∗
C443
C461
R467
R437
22u50
R415 47K
10K
100P
10
∗
+
R409
C427 10P
∗
C460
R466
6.2K
Q405
100P
10
∗
C428 10P
R438
∗
R410
C444
10K
6.2K
22u50
R416 47K
∗
+
Q406
R422
C434
R356
6
20dB ATT.
22
47u25
7
5
+
4
S R
IC402(2/2)
12.2V
+11.7V
IC403(1/2)
C439
R357
C
47u25
R423
8
3
22
+
1
2
∗
20dB ATT.
C445
R439
22u50
R417 47K
10K
∗
+
R411
C429 10P
∗
6.2K
Q407
∗
C430 10P
R440
∗
R412
C446
10K
6.2K
22u50
R418 47K
∗
+
Q408
R424
C435
R358
6
20dB ATT.
22
47u25
7
5
+
4
C436
R359
SB R
IC403
47u25
(2/2)
12.2V
+
+11.7V
IC404(1/2)
SW
R461
3
8
22
1
2
20dB ATT.
∗
C451
∗
R463
R459
220u25
R455 47K
m
10K
+
C440
R360
1.2K
∗
C457 3900P
10u50
Q411
+
∗
∗
c o
C458 10P
R464
R460
C450
10K
6.2K
22u50
R456 47K
∗
+
Q412
R462
6
20dB ATT.
.
7
22
5
4
SB L
IC404(2/2)
12.2V
AW
AX
AL-2
AL-3
X09-
X09-
2
9
8
9
9
2/5
A/4-
2/5
A/4-
WH4
WH1
CN302
1 2
3
1 2 3 4
J502
SURRONUD
BACK R
SURROUND R
SPEAKERS
SURRONUD
BACK L
SURROUND L
USED
R301
R331
VR-9070/9070-S
220
220
47
Q311
Q301
J302
ROOM B
L
Lch
ROOM B
R
ROOM B
Q312
Q302
Rch
R302
R332
220
220
47
R303
R333
220
220
220
Q313
Q303
F Lch
L
FRONT
9
2
4
9
8
2
9
9
R
F Rch
Q314
Q304
R362
R334
220
220
220
R305
R335
220
220
220
Q315
Q305
S Lch
L
SURROUND
R
S Rch
Q316
Q306
R306
R336
PRE OUT
220
220
220
R307
R337
220
220
220
Q317
Q307
SB Lch
L
SURRONUD
BACK
R
SB Rch
Q318
Q308
R308
R338
220
220
220
R309
R339
220
220
220
Q319
Q309
J303
Cch
CENTER
SUB
WOOFER
SWch
Q320
Q310
R310
R340
220
220
47
∗
J305
SUB
WOOFER
Q301-310,
311-320
MUTE
VR-9050/9060/9070 (3/5)
KRF-V7090D (3/5)
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