Kenwood KR-V8090 Service Manual page 30

BI BJ
MAIN UNIT (X09-45XX-XX) (A/4)
(AUDIO)
Q Q
J1
MM: 2.5mV
3 7 6 3 1 5 1 5 0
Lch 1
PHONO
1
Rch 2
LINE: 200mV
R21
Lch 3
1K
CD
R22
Rch 4
1K
R23
Lch 5
1K
REC
OUT
R24
Rch 6 27
1K
TAPE/MD
R25
Lch 7
2
1K
PLAY
IN
R26
Rch 8 22
1K
J2
R27
Lch 1
1K
PRE OUT
R28
Rch 2 26
1K
VIDEO1
R29
Lch 3
1K
PLAY IN
R30
Rch 4 23
1K
3
R31
Lch 5
1K
VIDEO2
PLAY IN
R32
Rch 6 25
1K
R33
Lch 7
1K
VIDEO3
PLAY IN
R34
Rch 8 26
1K
J3
T E
R35
L 1 3 9 4 2 2 9 6 5 1 3
Lch 1
1K
OUT
R36
4 Rch 2
1K
ADAPTOR
R37
Lch 3
6.2K
IN
R38
Rch 4
6.2K
Lch 5 L5
SURROUND
R6
Rch 6
PRE OUT
J4
-17.0V
SUB WOOFER 1
5
CENTER 2 C2
X08-B/2
-CN6
E2 1
14.5V
+15V
4/6
D26 D24 D22
2
-15V
3
-14.9V
E
TR OUT
-17.0V
4
T GND
5
TL OUT
WH2
X08-B/2
-CN4 CN23
Rch 5
4/6
AUDIO GND 4
6
Lch 3
G
VIDEO GND 2
X08-A/2
VIDEO 1
-CN3
w w w
3/6
WH1
D
.
7
BK BL
17.0V
0V IC1
R1 C3 R5
8
EQ AMP
2.2K 10u50 470 3 (1/2)
+
+ 1 C15+ R15
0V
4.7u35 1K
-
0V
2
C11 C13
0.012 3300P
+
R9 R11
270K 22K
R10 R12
270K 22K
+
C12 C14
0.012 3300P
6 0V
C16 R16
-
4.7u35 1K
0V
R2 C4
2.2K 10u50 7 +
5 +
+ IC1
R6
0V EQ AMP
470 4 (2/2)
-17.0V
17.0V
R60
47K
IC3
INPUT
SEL.
-17.0V
C49
330P
17.0V
R68
R64 R66 2K
2.2K 2K
IC4
REC
SEL.
ATT.
C50
330P
R63 R65 R67
2.2K 2K 2K
-17.0V
17.0V 17.0V
IC2 IC7
C41 8 8
(1/2) (1/2)
2.2u50 3 3 C55
1 1 47u16
+ +
+
2 2
0V - 0V - +
0V 0V
BUFFER BUFFER
0V
6 6 C56
0V 0V
- 7 - 7 47u16
C42
+ 5 5 +
+ +
IC2 IC7
2.2u50 0V
0V
4 4
-17.0V (2/2) (2/2)
C52
2.2u50 -17.0V
+
-19dB~0dB:-16.9V
1060VR DESTINATION
UNIT No. A B K4
,
COUNTRY ABB.
(X09-456X-XX)
E1 U.S.A. K
x a o 0-10
CANADA P
NO NO E03-0148
y
PX Y 2-91
KR-V8090 DESTINATION
UNIT No. A , B K4
(X09-456X-XX) COUNTRY ABB.
i
CHINA C 3-01 E03-0330
D
U.K. T 0-51 NO NO E03-0310
EUROPE E 2-71 E03-0149
BM BN
R111
0.6V 10K
15.6V
8
FLch
0V
0V Q15
Q13
ST/SUR:
B -2.4V
R97 R285 C101 R109
2.2K 2.2K 3.3u50 100
Q17
( FL )
+
R101 Q11 R107 +
ST/SUR:
2.2K 47K
B -2.0V
MUTE
Q9
D31
0.6V
R112
FRch 10K
MUTE
ON:2.7V
0V 0V
OFF:-8.4V
Q16
Q14
-19dB~0dB:-16.9V
OTHER:1.5V
ST/SUR:
B -2.4V
R98 R286 C102 R110
2.2K 2.2K 3.3u50 100
Q18
( FR )
+
R102 R108
Q12 +
2.2K 47K
ST/SUR:
MUTE
Q10
D32
R176
MUTE
10K
ON:2.7V
OFF:-8.4V Cch
Q33
-19dB~0dB:-16.9V
Q32
OTHER:1.5V
ST/SUR:
B -2.4V
R169 R287 C151 R175
2.2K 2.2K 3.3u50 100
Q34
( C )
+
+
R171 Q31 R174
ST/SUR:
2.2K 47K R183
B -2.0V
D51
Q30
R189
16.7V
R303
Q77 15.6V 18K
22 1/4W
R221
36.6V
0V
Q Q
R302 C210 0.6V 10K
R300 SLch 35.8V
100 1000P 3 7 6 3
16.3V
47K
0V
16.3V
D97
0V Q45
+ +
Q43
+
-35.7V
Q78
-35.7V
-9.2V
R211 R289 C171 R219
2.2K 2.2K 3.3u50 100
( SL )
+
+
R207 Q41 R217 Q47
2.2K 47K R227
D61
Q39
R239
18K
R222
X 36.6V
A
SRch 0.6V 10K
35.8V
Q46
-35.7V
0V
0V
Q44
MUTE
ON:2.7V
OFF:-8.4V -35.7V
-9.2V
R208 R288 C172 R220
2.2K 2.2K 3.3u50 100
( SR )
+
+
R218
R212 Q48
47K R228
2.2K
Q42
Q40 D62
( +17V )
( )
-17V
OTHER:1.5V
J7 P1,2 P3 E3,4 WH3 WH4-6 WH7,8 WH11,12 F1 F2 F3 F4,5 F6,7
u 1 6 3 YES YES NO 125V 6.3A NO 125V 1A 125V 2A
NO YES YES NO NO
NO NO YES 250V T3.15A L 250V T3.15A L 250V T800mA L 250V T1A L
J7 P1,2 P3 E3,4 WH3 WH4-6 WH7,8 WH11,12 F1 F2 F3 F4,5 F6,7
.
NO YES
NO
YES NO YES YES NO 250V T3.15A L 250V T800mA L 250V T1A L NO
YES NO
250V T2.5A L
BO BP
R127 220 1/4W
ST/SUR: A -0.8V
1.1V
R135 D35 D41
ST/SUR: A -1.5V Q81-90 R157
2 4
9 220 1/4W 9 8
FINAL TR. 100 1/4W 0V
Q81 R153
C225 3
3.3K
R143
1.3V Q23
Q21 1000P 47 1/4W 1
1/4W
Q23-26,37,
+ CN3 R155
0V 38,53-56
1.3V Q21 0.5V
4
MUTE Lch IDLE
1 750
CURRENT
2
C127
LIMIT
2
5 0.01
Q83
1
Q19
0V
4 0V
2
0.4V
ST:-8.4V
R145 5
Q25
SUR:-14.8V
0V
47 1/4W
R159
3 D37
100 1/4W
-1.1V -1.3V
R128 220
ST/SUR: R136
1/4W
220 1/4W R158 D36 D42
A -1.5V 1.1V
100 1/4W
C227 R154 0V
Q82 3
3.3K
R144
Q22 1.3V 1000P Q24
47 1/4W 1 1/4W
R156
+ CN4 0V
1.3V
Rch IDLE 4
1 750
2
C128
ST:-7.6V 2
SUR: 0.01
0.5V 5
-14.2V
1
0V R166
4
47K
2
0.4V
Q20
0V
B -2.0V
R146
5 Q26
0V
47 1/4W
R160
3
Q84 100 1/4W D38
-1.1V -1.3V
R184 220 1/4W R291
ST/SUR:
R188 47 1/4W
D53 D43
A -1.5V Q36 220 1/4W R199
1.1V
100 1/4W
C226 R197 0V
Q85 3
3.3K
R192
1.3V 1000P Q37
47 1/4W 1
1/4W
+ CN5 R198
0V
1.3V
4
Cch IDLE
1 750
2
C164
2
ST:-8.4V
0.01
SUR: 0.5V 5
-14.8V
1
0V
4 R202
2
0.4V 47K
Q35
0V
+ R193 5
Q38
0V
47 1/4W
R200
Q86 3 D54
+ C202 100 1/4W
-1.1V -1.3V
47u100
R229 220 37.3V
1/4W
38.0V
36.5V R237
D65 D45
1 5 220 1/4W 1 5 0 8 R257 9 2 4
Q51 1.1V
100 1/4W
C228 R253 0V
Q87 3
3.3K
1.3V R243
1000P Q53
47 1/4W 1
1/4W
+ CN7 R255
0V
S/SRch IDLE 4
1 1K
C191
2 2
-1.3V
0.01
0.4V 5
1
-36.3V 0V
4 R263
2
0.3V 47K
Q49
R245 5 0V
Q55
0V
47 1/4W
R259
Q89 3 D67
100 1/4W
-1.1V -1.3V
-38.0V
R230 220 1/4W R205 W207 W105 W113
36.5V R238 37.3V 47 1/4W
38.0V D66 D44
220 1/4W R258
Q52 1.1V
100 1/4W 0V
C229 Q88 3 R254
3.3K
R244
1.3V 1000P Q54
47 1/4W
1 1/4W
+ CN8 R256
0V
4
SRch IDLE
1 1K
2
0.4V C192
2
-1.3V
0.01 W193
5
Q90
1
-36.3V 0V
R264
4
47K
+
2
0.3V
Q50
0V
R246 5 Q56
0V
47 1/4W
-37.0V
-1.1V R260
3 D68
100 1/4W
-1.3V
C216 R206
W86 W78 47U63 47 1/4W W181 W182 W109
+
m
R125,126, R129-132,185, R228,
CN11,12 CN19-22 T1 D30 D84 D85 R92
183,227 186,231,233 266
NO c o L07-2320 RD11ES(B2) or RD24ES(B) or RD10ES(B) or
NO YES 220 12K NO
HZS11N(B2) HZS24N(B) HZS10N(B)
YES L07-2321
R92,228, R125,126, R129-132,185,
CN11,12 CN19-22 T1 D30 D84 D85
266,331 183,227 186,231,233
RD11ES(B2) or RD24ES(B) or RD10ES(B) or
NO 220 12K
HZS11N(B2) HZS24N(B) HZS10N(B)
NO L07-2322 NO
YES RD7.5JS(B) or RD18ES(B) or RD8.2ES(B2) or
300 8.2K
HZS7.5S(B) HZS18N(B) HZS8.2N(B2)
BQ BR
A
2
9 9
X
WH4
X
C129
0.1
X X
C167 C147
0.22 0.22
X
C130
0.1
X X
C168 C148
0.22 0.22
X X X
C146
E3 E4
X
C165 0.22
1 1
2 2
X
W208
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
X
C193
11 11
0.1
12 12
X X
C169 C149
13 13
0.22 0.22
14 14
X
WH3
A
X
C194
0.1
A
X X
X C170 C150
WH5
0.22 0.22
B
X W31
9 8 2 9 9
X
W117
X W47
X X
W251 W253
X
W252
-38.0V
4.7V
C9,10,21,22,25,26,29-34, C61, C129,130, C146-149,
R267,268, R269,
R331 C165
330 271 37,38,138,150,170 62 193,194 167-169
YES 6800u YES NO 0.1
560 15K NO 71
NO NO YES 0.22
R267,268, R269, C9,10,21,22,25,26, C61, C129,130,138,150, C146-149,
C165
330 29-34,37,38 170,193,194
271 62 167-169
560 15K NO
6800u
NO YES 0.22
71
820 18K YES