Kenwood KRF-V8080D, Service Manual

Page: 12 / 29

U V X Z AB AD W Y AA AC
2
1
3
5
7
4
6
KRF-V8080D/V8080D-S/VR-8050
X09-6760-12(A/5)(1/2) 17 18
C20
220P
1K
1K
C24
220P
C23
220P
1K
R35
220K
R36
220K
15K
C53 0.1
R112 100
R222 100
R162 100
R161 100
R221 100
R111 100
C57 2.2u50
C58 2.2u50
C55 2700P
C312 100u10
C352 220P
C46 0.082 C47 0.082
R47
15K
R52
R56
W6
W7
W5
R311
68 1W
C44 47u25 C45 47u25
R310
68 1W
R314
680 1W
C310
R312
1
1 2 3 4 5
L.AUX
G.GND
R.AUX
R.TUNER L.TUNER
+12V
G.GND G.GND
4 3 2 1
SW OUT
SB OUT
-20dB A
T
T
GND
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Lch
G.GND
Rch
G.GND
L
REC
G.GND
R REC
G.GND
FL SL
SBL
C
SW
SBR
SR FR
-12V GND
+12V
G.GND
PROT
220P
C33
15K R49
220P
C34
R45 100
15K
220P
C35
220P
C36 22K R54
22K
R53
15K R50
220P
C37
220P
C38 22K
R58
22K R57
22u50
C227
10K
R229
10K
R230
22u50
C228
22u50
C351 220P
C353 220P
R351 100
R352 100
R353 100
7.5K
R59
C51 0.1
C354 1200P
22u50
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1
2 3 4 5 6 7 8 9
10
11
12 13 14 15 16 17 18 19 20
21
22 23 24
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
R 6ch
R REC
R MD REC
R V1 REC
Rch
R LOUDNESS
IN GND
L
LOUDNESS
Lch
VOL
GND3
DVD/6ch FL
DVD/6ch SL
DVD/6ch C
DVD/6ch SW
DVD/6ch SR DVD/6ch FR
R2 BASS
R TRE
R T.OUT
FR VIN
FR OUT
SR OUT
SBR OUT
SW OUT
C OUT
SL OUT
FL OUT
OUT GND
DGND
CLOCK
DATA
LATCH
L V
3
L
6ch
L
REC
L
MD REC
L
V1 REC
VOL
GND1
FL
IN
SL
IN
SBL
IN
C IN SW IN SBR IN SR IN FR IN L1 BASS L2 BASS L
TRE
L
T
.OUT
FL
VIN
VOL
GND2
TIM1 DVDD
R V3
R V2
R V1
R MD/TAPE
R AUX
R TUNER
R PHONO
R CD/DVD
AVEE(-7V)
L CD/DVD
L PHONO
L TUNER
L AUX
L MD/TAPE
L V1
L V2
C2
220P
C1
10u50
10u50 1K
R2
1K
R1
220P
C19
220K
R19
220P
220K
R20
1K
R17
R18
220P
C21
220P
C22
220K
R23
220K
R24
1K
R21
R22
1K
R25
220K
R27
220K
R28 R26
R29
1K
C25
220P
C26
220P
R30
1K
R31
220K
R32
220K
R33
1K
R34
1K
C27
220P
C28
220P
1K
R37
R38
1K
C29
220P
C30
220P
R39
220K
R40
220K
1K
R41
R42
1K
C32
220P
C31
220P
R43
R44
220K
220K
1K
R16
R15
C52 0.1 C54 0.1
C56 2700P
7.5K R60
VOL
GND4
R1 BASS
SBL OUT
AVCC (+7V)
3 2 1
45 47 48 50
51
44
9
10 13 11 12 14 15 16
33
9
12 11 10 15 14 13 16
25
26
27
9
33
8
35
7
6
47
45
48
50
51
44
R55
15K
R51
15K
R48
15K
+ +
+
C3
C4
72
4
68
62
74
78
+
54 58
(+5.0V)
64 62
61
1K
76
70
69
77
78
79
72
71
75
74
65
66
68
67
80
5 4
3
1 2
C31
1
34
37
32
4700P
∗
R80
R169
R163
100K
47K
R435
R167
1K
R431
100K
3.3u50
2.2K
+
+
C161
3.3u50
R165
1K
R63
1K
47K
R67
R601 1.5K
R605
1.5K
3.3u50
C63
1.5K
3.3u50
+
W21
+
R606
1K
R64
100K
47K
R68
1K
R432
C171 100P
R189 47K
C175 10P
330 1/4W
C165
330P
1.5K
R175
R177
1.5K
100u25
R187
1K
R191
C177
1/4W
C181
R185
5.6K
10P
100
2200P
C169
3.3K
R173
R171
C167
6P
6.8K
∗
R179
C185
47P
C73 100P
1.5K
R75
330P
C67
R77
1.5K
R181
220
1/4W
1/4W
220
R183
C77 10P
100u25
330 1/4W
R89 47K
R87
220 1/4W
R197
47 1/4W
R195
470
VR5
10K
4700P
R401
30K
47 1/4W
560P
R193
47 1/4W
R95
1K
R91
R405
100
C79
R69
C71
2200P
100
R73 3.3K
R71
8P
C69
6.8K
∗
R79
C87
47P 10P
C83
5.6K
R85
1/4W
C72 100P
1.5K R76
C66
330P
1.5K
R78
R81
220
R83
1/4W
1/4W
220
100u25
C76 10P
R90 47K
R88
330 1/4W
47 1/4W
220 1/4W
470
R97
VR1
47P
C89
22u50
10K
4700P
R357
30K
560P
R93
47 1/4W
R96
1K
R92
100
R361
R407 470 R363 470
1.5K
1.5K
R602
3.3u50
C62
W20
3.3u50
1.5K
R84
C70
2200P
100 R70
3.3K R74
R72
7P
C68
6.8K
C86
47P
10P C82
R86
5.6K
1/4W
R82
220
C78
1/4W
1/4W
220
R94
220 1/4W
470
VR2
R98
47 1/4W
47P
22u50
C88
10K R356
30K
560P
R360
100
R362 470
Q45
Q51,53 Q11,13
Q5
C359 C355
Q6
54 58 63
3
76 70 77 69
1
2
5
61
79
67
80
66
65
R46 100
64
4 3
+5.1V
R343
10 1W
4.7u50
C14 3300P
R1
1 22K
C13 3300P
R12 22K
R4 30K
360
C6 220P
100
4
6 5
C10
R6
270P
360
C8
100u10 100u10
C7
R3 30K
C5 220P
2
C9
R8 R7
C12 0.012
R9 270K
C1
1 0.012
R10 270K
270P
C320 100P
C18
100P
R14 47K
C16
7
4.7u50
+
C17
100P
R13 47K
1
C319 100P
100
8
3
R5
C15
470u16
470u16
C324
C325
Q12,14
C356
32
34
37
10 1/4W
SW OUT
47K
R355 3K
10 1/4W
C314 47u25
14 13
47u25
SB IN SB OUT
VDD
(SB)
u-COM
1
2
12 10
R315
VCC
9 8
SW IN u-COM (SW)
11
6 7 3 4 5
R316
C313
75
71
R342
47 1W
38
15
63
+7V
+7V
80
31
38
31
+12V +12V
+12V
+12V
12.2V
+12V
12.2V
+B
B
48.3V
B
+B
+47.2V
+B
12.2V
7.5V 6.9V
+12V +12V
5
6 4
3 1
2
2 1
11
12
1 2
10
9 7 8
2 1 1 2
6 5
1
2
2 1 1 2
4 3
12.2V
IC5
+B
B
+
2.2
R313
+
+
+
+
+
W22 W23
WH2-2
RED
47P
C187
22u50
+
B
+B
+
+
+
+
+
+
+
+
+ +
+
+ +
+
+
2-74
DESTINATION
UNIT No.
COUNTRY ABB.
0-12
140,189,190
C90,91,139,
0.22
MODEL NAME
VR-8050
KRF-V8080D-S
KRF-V8080D
EUROPE
EUROPE
P
K
CANADA
U.S.A.
0.1
142,191,192
C92,93,141
NO
YES S76-0098-05 430 2K
K2-5
S76-0045-15 390
R79,80,129,
130,179
1.6K
R180
1.2K
1.5K
414
R413,
YES
NO
W10-15
100u63
100u50
C305
MTZJ15(B) or
MTZJ10(B) or
RD15ES(B)
RD10ES(B)
D24
WH2-1 WH5-2 WH5-1
+47.2V +47.2V +47.2V
+47.2V +47.2V
+15.4V
+15.4V +15.4V +15.4V
+15.4V +15.4V
48.3V 48.3V
48.3V
+12V
12.2V
12.2V 12.2V 12.2V 12.2V
12.2V 12.2V
12.2V
12.2V 12.2V 6.9V
+7V
+7V
+7V
+7V
R354
+7.3V
35
R358
C84
C85 C183
R359 R403
C74 C75 C173
C64
C65
C163
R66
R65
R604
R603
2
S-LEVEL
6
S-LEVEL
7 8 10 11 9 13 12 15 14
SD
STEREO
R.TUNER
T
MUTE D OUT
L.TUMER
G.GND
NC
+12V
14 15 13
+12V
1
D OUT
3 4 5 2
PLL
DIN
D.GND
PLL
CLK
PLL
DO
PLL
CE
8
PLL-DIN
7 4
14 13 15
5
SD
3
T
MUTE
STEREO PLL
DO
6
PLL-CLK
1
PLL
CE
9
L.TUNER
G GND
R.TUNER
G.GND
5
1
4
3
2
+12V
E
E1
+12V
+12V
+12V
+12V
+12V
D21
D20
J21
J3
D22
CN3
E22
WH21
: 1SR139-400 D14,15
: 1SS133 or
D1-6,13,16,28-30,32-35,
53,54,57,58,61,64,66,
: 1SS244
D27,51,52,55,56,59,60
: 2SA992(F,E)
Q1-4,21-24,41-44,308,359,
: 2SA1123(R,S) Q5,6,25,26,45,46
: 2SB1640 Q304,306
: 2SC1845(F,E)
Q353-358,360,361,363,364,
: 2SC2631(R,S) Q7-10,27-30,47-50
: 2SC2878(B) Q331-336,605,606
: 2SC3940A(R,S)
: 2SD2525 Q307
: KTC3200 Q301,309-312
: MTZJ3.9(B) or D63,65,67,69
: MTZJ5.1(B) or D22
: MTZJ6.8(B) or D20,21
: D24
D23
: MTZJ15(B) or D18
: MTZJ16(B) or D17,19
: NJM4580L IC1
: TRAIT3KN Q11,12,31,32,51,52
: TRAIT3KP Q13,14,33,34,53,54
: TS6P03G-B or D11,12
: UN421N Q305,351
: UN4212 or Q352
: UN4219 or Q302
WH221
CN4
Lch
Lch
Rch
Lch
Rch
Rch
Lch
Rch
REC
VIDEO 1
VIDEO 3
J11
Rch
Lch
Rch
Lch
Rch
Lch
Rch
Lch
/AUX
PHONO
CD
REC
MD/TAPE
PLAY
MD/TAPE
PLAY
VIDEO 1
VIDEO 2
FL
FR
SL
SR
C
SW
INPUT SELECTOR
& E.VOLUME
Cch
Q335
FRONT Lch
Q605
ATT.
6dB
Q331
Q606
D604
Q603
D603
Q45
Q604
Q41
Q43
Q47
D5
Q357
Q53
D59
Q51
Q5
Q3
Q1
Q7
D602
Q602
D1
Q9
Q13
Q353
D51
Q11
Q332
Q6
D2
Q2
Q4
Q8
Q10
Q14
Q354
D52
Q12
MIRROR
CURRENT
1st
PROTECTION
AMP
POWER
IDLE ADJ.(Cch)
POWER
AMP
PROTECTION
IDLE ADJ.(FLch)
2ND
MIRROR
CURRENT
1st
PROTECTION
MIRROR
CURRENT
IDLE ADJ.(FRch)
2ND
1st
FRONT Rch
(2/2)
R OUT
IC1
(1/2)
L OUT
IC1
AMP
POWER
PHONO
EQ AMP
Q351
Q352
D221
CN15 CN14 CN13 CN12 CN10 CN11
Q303
: M61516FP IC2
SB/SW
SWITCH IC
SEL.
SB/SW
MD/TAPE
REC OUT
VIDEO1
REC OUT
SB/SW
SLE.
6dB ATT.
DVD/6ch
D25
362,365,607
602-604
4/4
WH20
X14-H/11-
1/4
X08-
CN4
X25-B/2-
CN303
3/4
68,602-604
Q49
2ND
DTC113ZSA
DTC124ESA
HSS104A
D5SBA20F03
RD16ES(B)
RD15ES(B)
RD6.8ES(B)
RD3.9ES(B)
RD5.1ES(B)
SIGNAL LINE
GND LINE
B LINE
B LINE
RECORDING LINE
: LC4966 IC5
D221 : MTZJ11(B) or
RD11ES(B)
(X09-6760-12)
J12
J22
∗
: MTZJ24(B) or
RD24ES(B)
RD10ES(B)
: MTZJ10(B) or
to TUNER PACK
CN21
WH93
4/4 X14-A/11-
CN22
E21
WH21
IC2
(X09- ) (D/5)
IC5
(X09-6760-12) (A/5)
(X09-6760-12) (A/5)
(X09- ) (C/5)
SW:4.8V
SB:0V
4.9V
0.6V
-46.2V
0V
46.2V
46.8V
33.3V
-46.8V
1.2V -1.2V
-46.2V
0.6V
0V
46.2V
46.8V
33.3V
-46.8V
1.2V -1.2V
-46.2V
0V
0.6V
33.3V
-46.8V 46.2V
46.8V
-1.2V 1.2V
20mA 20mA 20mA
BA-4
AV-6
AO-7
Q-2
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