Kenwood KR-V8090 Service Manual page 27

AE AF
Q Q
3 7 6 3 1 5 1 5 0
(X08-275X-XX) (A/2)
CN1
31 30 29
1 -19dB~0dB
:16.9V
OTHER:1.5V
-19dB~0dB
:4.5V
OTHER:1.5V
17.0V
Q10
Q9
R195
-19dB
~0dB 3.9K
:16.8V
-17.0V
OTHER
:1.5V
X
W353
C137
X J4
A
X
R171 0.01 W352
Lch 1
10K
FRONT
2
R172
Rch 2
10K
AUX.6CH.
INPUT
R175
Lch 3
L
10K
SURROUND
R176
Rch 4 R
10K
R179
CENTER 5
10K
R180
SUB
6
WOOFER
10K
3
X
W354
X
W355
-17.0V
J1
C59
4.7u35
VIDEO 3
1
PLAY IN +
6.0V
C58
Q2
4.7U35 VIDEO SEL
VIDEO 2
2
PLAY IN +
C57
17.0V
Q1
4.7u35
PLAY IN 3 T E
L 1 3 9 4 2 2 9 6 5 1 3
+
14.7V
5.3V
Q8
VIDEO 1
C6
330u6.3 R4 R42
REC OUT 4 1K
5.9V
+
75
+
+
4
J2
C7
330u6.3 R5
MONITOR OUT -6.0V +
+ +
75
R41 C20
1K 0.01
-5.9V
C19
100P
-15.5V
-5.6V AVR Q7
R53
Q5
100
-5.3V
VIDEO
AMP
R54
100
J3
Q6 R58
5
S. DATA
470
SYSTEM
16
D
CONTROL
17
SL16 XS8
B
S. BUSY
G
S
XS8 S1
18
SL16
IC1 : SN761200N Q1,2 : UN5212 or D12,13
IC2,12 : NJU7311AM DTC124EUA
IC3,4,6,8,10,11,14 : NJM4565M Q5,6 : 2SC3115A(D27,28) D14,15
IC5 : TC9412AP Q9 : 2SD2458(Y,GR) or
IC7,9 : TC9413P 2SC3311A(Q,R) D21-36
IC13 : TC9184AP Q10 : UN4112
D158
6
w w w
CAUTION: For continued safety, replace safety critical components only with
manufacturer's recommended parts (refer to parts list).
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.
7
AG AH
TONE
/VOL SEL
D-OUT
VIDEO
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
1
2
3
-17.0V
17.0V
D23
X
W351
D24
17.0V
R185 10K
C79 C78
2
100P 0.01
R184
1
10K
-17.0V
L
R
IC12
D21
AUX 6CH/
D-OUT SW
D22
17.0V
C60 R60
10u50 27K
+
0V
+
C54 R62
10u50 27K
2.0V
2.0V
1.4V
1.2V 1.4V
0.7V
IC1
C503
10u50
1.2V
VIDEO
SEL.
2.0V
2.0V
0.7V
+
9.7V
D35
C531 100P
+
+
D36
-9.7V
: RD6.2ES(B) or
HZS6.2N(B)
: RD10ES(B) or
HZS10N(B) +
: 1SS133 or
C504
HSS104 10u50
: DA204U or
1SS302 or
MA143A
x a o
The DC voltage is an actual reading measured with a high
indicates safety critical impedance type voltmeter with no signal input. The
. i
measurement value may vary depending on the measuring
instruments used or on the product.
AI AJ
R48 10K
R49 10K
IC2
SURROUND
MODE SEL.
0V
INVERTER
D158
0V
L+R+C
0V
R63 27K 17.0V
IC11
IC4
0V 0V (1/2) 0V
2 (2/2) 2 8
0V
- 1 R64 R66 6 8 C52 R14 R15 6 - 1
- 10u50 - R17
3 7 7 0V 3
+ 33K 33K 33K Q 33K Q +
5 5
+ 4 IC4
IC11 + + 68K
3 7
4
(2/2) (1/2)
TEST
+
TONE(SW)
C17
-17.0V
100P
17.0V
AMP
3
8
+ 1 R609
+ 2
0V -17.0V
- 12K
0V
4
IC3 (1/2)
9.0V
C21 C23 R25
9.0V
0.068 0.016 16K R27 C31
0V IC14(1/2)
3.9K 560P C29 R31 3 8 C39
+ 1 10u50
IC13 5600P 3.9K
C33 2
+
-
22u35
TONE
0V
CONT. R21 + C37 27P
0V
10
680K
R35 180K
H3
IC13
TONE AMP
R36 180K
0V
H2
R22 C38 27P
-9.0V
680K + 0V
6
C34
-
7 +
22u35
C30 R32 5
+ C40
4
R28 5600P 3.9K IC14 10u50
0V
(2/2)
C22 C24 R26 3.9K
0.068 0.016 16K -9.0V
0V
6
- 7 R610
5
+ 12K
R100
IC3 (2/2) AMP
0V
1K
u 1 6 3
y
AK AL
8 9 2 4 9
FLch
C61
4.7u35 R83 C63 R85 C65
+
8.2K 680P 220K 0.1
C99
0.1
IC5
C74
100P
C98
ELECTRIC
0.1
VOL.
R84 C64 R86 C66
+
C62 8.2K 680P 220K 0.1
4.7u35
FRch
ELECTRIC
SLch VOL.
C81
R101 4.7u35
1K +
IC7
6 3 1 5 1 5 0 8 9
C94
100P
R102
+
1K C82
4.7u35
SRch
ELECTRIC
Cch
VOL.
C101
R103 4.7u35
1K +
IC9
C114
100P
+
C102
4.7u35
SWch
-17.0V
1060VR (X08-275X-XX) KR-V9090 (X08-275X-XX)
DESTINATION DESTINATION
UNIT NO. A W351-355 UNIT NO. A W351-355
COUNTRY ABB. COUNTRY ABB.
U.S.A. K U.K. T
2-72 YES NO
CANADA P 0-10 NO YES EUROPE E
PX Y
1070VR (X08-275X-XX) KR-V9090W (X08-275X-XX)
DESTINATION DESTINATION
UNIT NO. A W351-355 A W351-355
UNIT NO.
ABB. COUNTRY ABB.
COUNTRY
U.S.A. K RUSSIA Q 2-72 YES NO
CANADA P 0-11 YES NO
PX Y
m
c o
.
1060VR/1070VR/KR-V8090/KR-V9090
Y05-3330-10
AM AN
X08-B/2
-CN5
8 2 9 9
4/6
C
17.0V
IC6
0V (1/2)
C77
4.7u35 5 8 C71
+ 7 10u50
+
6
- +
0V
R87
AMP
10K
R89 D27
10K
C73 D28
330P
R88
10K
AMP
0V
C72
2
- 7 10u50
3
+ +
+
C76 4 IC6
0V
4.7u35
(2/2)
-17.0V
17.0V
IC8
(1/2)
0V
C97
4.7u35 5 8 C91
+ 7 10u50
+
R117 6
- +
10K
0V
R119 D29
10K AMP
D30 CN3
C93
1 SL
330P
2 FL
3 AGND
2 4 9 8 2 9 9
X09-A/4
4 C
R118 -E1
AMP
0V
5 FR
10K
5/6
6 SR
C92
2
- 7 10u50
7 SW
3
+
+ +
D
8 AGND
C96 4 IC8
0V
4.7u35
(2/2)
9 SEL L
-17.0V
10 SEL R
11 +17V
12 NC
17.0V
13 NC
IC10
14 -17V
0V (1/2)
C117
15 AUX
4.7u35 5 8 C111
+ 7 10u50
+
R147 6
- +
10K
0V
R149 D31
10K AMP
D32
C113
330P
R162
24K
0V
R148
C118 0.01
10K AMP
R6 C112
0V 2
- 7 470 10u50
3
+ +
+
IC10
C116 4
0V
4.7u35 (2/2)
-17.0V
KR-V8090 (X08-275X-XX)
DESTINATION
UNIT NO. A W351-355
COUNTRY ABB.
0-10
CHINA C NO YES
U.K. T
2-71 NO NO
EUROPE E
SIGNAL LINE
GND LINE
1060VR,KR-V8090(K) (3/6)
+B LINE
1070VR,KR-V9090,V9090W(K) (3/6)
-B LINE