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Kenwood KRF-X9080D Service Manual page 20

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BI
BJ
KRF-X9080D/VR-8070/8060
Q Q
3 7 6 3 1 5 1 5 0
(X13- ) (E/6)
USED EXCEPT VR-8060-S
1
CN705
SBRch IN
1
SBR GND
2
SLch IN
3
4
SL GND
+15V
5
+15V
X09-686
RLY GND
6
A/4-
MUTE
7
CN52
A-CLASS-B
8
48.3V
AC-7
2/4
A-CLASS+B
9
+47.2V
SL NFB
10
SLch -OUT
11
SLch +OUT
12
13
13
CURR-PROT
DET-2
14
14
DC-PROT
15
15
RLY +B
16
16
2
RLY CONT
17
17
2
1
WH701
+IN
1
1
3
PROTECTION
-IN
2
2
+OUT
3
3
R734
4
4
30K
-OUT
3
4
SURROUND BACK Rch
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
(X25-6620-12) (B/2)
USED VR-8060-S
R425
560 1/4W
+11.9V
R431
12.4V
10K
CN301
R452 15
1/4W
+12V
1
+11.9V
GND
2
-12V
3
12.4V
PMUTE
4
5
SL OUT
X09-676
FL OUT
6
A/5-
C OUT
7
CN5
5
FR OUT
8
SR OUT
9
AZ-7
2/4
C459
FL
10
+11.9V
SL
11
47P
C
12
SBR
13
14
SR
FR
15
SW OUT
16
C406
SB OUT
17
22u50
SUR MUTE
18
+
SB MUTE
19
12.4V
+11.9V
WH2
C449
22u50
6
+
WH2
CN303
X09-676
A/5-
GND
1
w w w
WH221
20dB ATT
2
2/4
AR-6
SW IN
3
C452
22u50
SB IN
4
+
12.4V
7
33
X13-7940-10(A/6) (1/2)
BK
BL
+47.2V
R713
C711
1ST
5P
6.8K
C703
R705
C705
R709
Q703 Q705
CURRENT
3.3u50
2.2K
3.3u50
100
Q709
MIRROR
+
+
C709
R715
2200P
3.3K
Q701
C719
R703
150P
1K
Q707
Q711
SURROUND Lch
2ND
48.3V
+47.2V
R714
C710
1ST
5P
6.8K
C702
R706
C704
R710
Q704
Q706
CURRENT
3.3u50
2.2K
3.3u50
100
Q710
MIRROR
+
+
C708
R716
2200P
3.3K
Q702
C718
R704
150P
1K
Q708
Q712
SURROUND BACK Rch
2ND
48.3V
R746
R752
33
1/4W
1.8K 2W
L702
Q714
K702
0.512uH
Q716
R750
RELAY DRIVER
47K
(SBR)
X09-676-A/5-
X09-676-A/5-
2/4
2/4
BF-2
WH4
WH1
BF-3
WH1
WH1
CN304
CN302
1 2
1 2
3
4
Q402
SB MUTE
DRIVER
C316
100P
IC403(1/2)
3
1
2
C430 10P
C446
Q305,306,310,315,316,320
22u50
R418 47K
MUTE
+
R424
6
8
7
22
C433
R355
R305
R335
5
47u25
220
220
47
4
+
Q315
Q305
SB R
IC403(2/2)
SB Lch
IC404(1/2)
SW
R461
3
8
22
1
SB Rch
Q316
Q306
2
C451
C434
R356
R306
R336
220u25
R455 47K
47u25
220
220
47
+
+
C457 3900P
C440
R360
R310
R340
47u25
220
220
47
C458 10P
C450
+
Q320
Q310
4.7u50
R456 47K
SWch
+
R462
6
x
a o
7
22
5
4
SB L
IC404(2/2)
.
i
BM
BN
(X13- ) (F/6)
USED EXCEPT VR-8060-S
CN704
R756
-OUT
4
47 1/4W
+OUT
3
-IN
2
+IN
1
IDLE ADJ.
(SB Rch)
R758
47 1/4W
SURROUND
BACK Rch
(X13- ) (D/6) USED EXCEPT VR-8060-S
R452
15
CN301
1/4W
+12V
21
+11.9V
GND
20
R434
15
-12V
19
12.4V
1/4W
P MUTE 18
6
SL OUT
17
FL OUT
16
C OUT
15
FR OUT 14
10
CN707
X09-686
SR OUT
13
11
A/4-
X09-686
1
NC
WH8
FL
12
A/4-
2
SBR-SP
CN5
SL
11
3 NC
2/4
C
10
AE-7
2/4
SBR
9
AL-4
CN703
SR
8
1
SBR-SP
FR
7
2
NC
SBR OUT
6
SBL OUT
5
Q
Q
SUR MUTE
4
20
3
7
SB MUTE
3
21
C419
220u25
GND
2
+
C459
47P
C420
100u25
J301
GND
1
+
SURROUND R
SPEAKERS
SURROUND L
SURROUND BACK/
SUB WOOFER
(X25-6620-12)
IC403
:
NJM4580D-D
IC404 :
NJM4565D-D
Q305,306,310,315,316,320
:
2SC2878(B)
Q402 :
DTA124ESA or
UN4112 or
KRA103M
D401 : MTZJ3.9(B) or
RD3.9ES(B)
J302
SURRONUD
BACK L
SURRONUD
BACK R
PRE OUT
CN303
J303
GND 1
X09-686
SUB WOOFER
A/4-
20dB ATT
2
WH221
u 1 6 3
SW IN
3
y
X-6
2/4
SB IN 4
34
BO
BP
AL-2
2
4
8
9
9
X09-686
AL-4
2/4
A/4-
CN702
X09-A/4-
WH4
20mA
X09-686
WH6
1
+B
+B
2/4
A/4-
Q718
3
B
2
-B
CN8
2/4
1
Q718,720
4
AL-6
WH303
CN304
2
POWER
1 2
3
AMP
WH704
5
SBR-OUT
Q720
1
4
CN706
2
2
5
1
3
Q401
+11.9V
20dB ATT.
SUR. MUTE
DRIVER
DRIVER
R430
10K
12.4V
R450
+11.9V
560 1/4W
Q409
Q402
SB MUTE
21
DRIVER
R433
402
1K
R431
10K
R451
1K
1/4W
6
+11.9V
IC401(1/2)
C401
F L
R419
C431
22u50
8
3
1
22
47u25
+
2
+
20dB ATT.
C441
R435
100u10
R413 4.7K
10K
+
R407
C425 100P
Q403
560
C426 100P
R436
R408
C442
10K
560
100u10
R414 4.7K
+
Q404
R420
C432
6
C402
20dB ATT.
22
47u25
7
6
3
1
5
1
5
0
8
9
22u50
5
+
+
4
F R
IC401(2/2)
12.4V
+11.9V
IC402(1/2)
C403
S L
R421
C433
22u50
8
3
1
22
47u25
+
2
+
20dB ATT.
C443
R437
22u50
R415 47K
10K
+
R409
C427 10P
Q405
6.2K
401
R438
C428 10P
R410
C444
10K
6.2K
22u50
R416 47K
+
Q406
R422
C434
6
20dB ATT.
C404
7
22
47u25
22u50
5
+
+
4
S R
IC402(2/2)
12.4V
+11.9V
C439
IC403(1/2)
C405
C
47u25
R423
22u50
3
8
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
6
C406
20dB ATT.
7
22
47u25
22u50
5
+
+
4
C436
SB R
IC403
47u25
(2/2)
12.4V
+
+11.9V
IC404(1/2)
C449
SW
R461
22u50
3
8
22
1
+
2
20dB ATT.
C451
R463
R459
220u25
R455 47K
10K
+
1.2K
C440
C457 3900P
10u50
Q411
+
m
C458 10P
R464
R460
C450
10K
6.2K
22u50
R456 47K
Q412
+
R462
c o
6
C452
20dB ATT.
7
22
22u50
5
+
4
SB L
.
IC404(2/2)
12.4V
BQ
BR
AL-2
2
8
9
9
X09-686
2/4
A/4-
WH1
CN302
1 2 3 4
J502
SURRONUD
BACK R
SURROUND R
SPEAKERS
SURRONUD
BACK L
SURROUND L
R343
R301
R331
220
220
47
Q311
Q301
J302
ROOM B
ROOM B
Lch
L
ROOM B
R
ROOM B
Q312
Q302
Rch
R344
R302
R332
220
220
47
R353
R303
R333
220
220
47
Q313
Q303
F Lch
FRONT L
2
4
9
8
2
9
9
FRONT R
F Rch
Q314
Q304
R354
R362
R334
220
220
47
R355
R305
R335
220
220
47
Q315
Q305
S Lch
SURROUND
L
SURROUND
R
S Rch
Q316
Q306
R356
R306
R336
PRE OUT
220
220
47
R357
R307
R337
220
220
47
Q317
Q307
SB Lch
SURRONUD
BACK L
SURRONUD
BACK R
SB Rch
Q318
Q308
R358
R308
R338
220
220
47
R359
R309
R339
220
220
47
Q319
Q309
J303
Cch
CENTER
SUB
WOOFER
SWch
Q320
Q310
R360
R310
R340
220
220
47
Q301-310,
311-320
MUTE

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