Kenwood VR-407 Service Manual

U VXZABADWYAAAC
2
1
3
5
7
4
6
CD
Lch 1
Rch 2
Lch 3
PHONO
(AUDIO)
J3
Rch 4
Lch 7
Rch 8
Rch 6
Lch 5
MD/TAPE
REC
MD/TAPE
PLAY
Rch 8
Rch 6
Lch 7
Lch 5
Rch 4
Lch 3
Lch 1
Rch 2
J4
REC
MONITOR
MONITOR
PLAY
Lch 3
VIDEO3
Rch 4
IN
Rch 2
Lch 1
VIDEO2
IN
J5
IN
VIDEO1
OUT
VIDEO1
CN3 CN6 CN7CN2
(BOTTOM VIEW)
(BOTTOM VIEW)
INPUT/REC
SELECTOR
OUT
INPUT/
SELECTOR
ATT
D108
D106
Q137
Q134
Q133
Q132
Q136
Q135
Q138
D107
+B AVR
-B AVR
PACK
CONT.
IC105(2/2)
IC105(1/2)
PHONO
EQ AMP
IC108(2/2)
IC108(1/2)
IC107(2/2)
IC107(1/2)
LINE BUFFER
REC OUT BUFFER
IC110(1/2)
IC110(2/2)
Q1
Q9
Q10
Q5
Q6
Q2
Q3 Q11
Q8
IC111(2/2)
Q12
Q4
Q7
IC111(1/2)
Q14
IC112(2/2)
Q13
Q17
Q15
Q16
IC112(1/2)
Q52
Q51
20dB ATT
CONT.
PRE OUT
CONT.
Q53
D1
D110 D109
A
MUTING
(PRE OUT)
(MAIN OUT)
MUTING
(LS,RSch)
POWER AMP
LSch
LSch
RSch
Lch
RSch
Lch
Rch
Cch
SWch
Cch
SWch
Rch
20dB AMP
20dB ATT
1/4
X07-B/3
-CN5
D
E
220K
220P
R120
C120 C119
220P
220K
R119
LINE: 200mV
MM: 2.5V
1K
R117
R118
1K
220K220K220K 220K
1K
1K
C123C124
R127
220P
R126
220P
R128
R125
C122 C121
220P
R122
220P
R124
R121
1K
R123
C101C102
39P39P
R101
1K
10u35
+
C103
R102
1K
10u35
+
C104
1K
C130 C129
R139
220K
220P
R138
220P
1K
R140
220K
R137
1K
C125C126
R130
220P
R132
220K
R129
220P
1K
R131
220K
C127C128
R134
1K
220P
R136
220K
R133
220P
1K
R135
220K
C131C132
R142
1K
220P
R144
220K
220P
1K
R143
220K
1K
R141
R149
C136 C135
1K
R150
220P 220P
1K
220K
R152
220K
R151
C133C134
R146
1K
220P
R148
220K
R145
220P
1K
R147
220K
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M VDD
M GND
+VDD
-VSS
A GND
R
RS
SW
C
LS
L
GND
R AUX
GND
L AUX
GND
L REC
L DVD
LT
GND
RT
R DVD
R REC
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
DET.
S.LEVEL
SD
STEREO
Rch
GND
Lch
+12V
-12V
T MUTE
PLL DATA
PLL CLK
PLL C.E.
PLL DO
CH SPACE
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
D GND
5.0V
-30V
F.OFF
POWER RE.
SD
STEREO
DET OUT
T.MUTE
PLL CE
S.LEVEL/CH.SPACE
PLL DO
SEL./PLL.DT
SEL./PLL.CK
SEL ST2
SEL ST1
H.P R
H.P L
F.OFF2
A.MUTE
20dB ATT
PRE OUT MUTE
54321
X08+B
+5.0V
D GND
F.OFF
POWER RE
1 2 3 4 5 6 7 8 9 10 11 12 13 14
VSS
ST
GND
28
27
26 25
24
23
22
21
20 19 18
17
16 15
VDD DATA CLK N.C. N.C.
TUNER
PHONO
CD
TAPE/MD
COM
REC OUT
TAPE/MD
VIDEO1
ANALOG
DIGITAL
REC OUT REC OUT REC OUT
L/R L/R
R
L
CLK GND
COM
27
VDD
28
L
R
FRONT
26 25
24
23
VIDEO3
VIDEO2
VIDEO1
18
LINE BUF
COM
22
21
20 19
MONITOR
ATT1
ATT OFF
17
N.C. DATA
16 15
ATT2
2 1
VSS
4 3 6 5 11 8 7 10 9 12 14 13
ST
N.C.
AUX
+VL +VH
1
2
47
R392
47
R391
47
R393
47
R394
10u100
C251
+
47K
R314 47K
R313
18K
10K
R311
10u100
C252
+
10
R312
C260 220u6.3
+
R389 4.7K
47
R321
10K
R320
68K
R319
47K
R387
47K
R388
100u10
+
C259
1/4W
1/4W
R390
47K
R323 39K
7 6
6
5
4
7
4.7u35
+
C116
3
2
8
1
C105 220P
R103 27K
270K
R109
360
R107
6.3u50
C107
+
0.012
C111
470P
C109
22K
R111
C117 100P
3300P
C113
R113 47K
100P
C241
100
R116
4.7u35
+
C115
R105
100
R110
270K
R112
22K
0.012
C112 C114
C108
6.3u50
+
R108
360
C110
470P
100
R106
220P
27K
R114 47K
C118 100P
3300P
R115
100
C242 0.01
4
3
2
1
6
5
7
8
2
3
4
1
5
6
8
7
220K
R155
C143 100P
C139
220K
R153
C140 100P
220K
R154
2.2u50
+
C138
220K
R156
C144 100P
2.2u50
+
C142
22u16
+
C146
2.2u50
+
C137
2.2u50
C141
22u16
+
C145
+
1K
R381
C245
1000P
C106
R104
220P
C250
1K
R384
220P
C248
0.01
C246
R160
100
R158
R164 6.8K
R162 3KR161 3K
R163 6.8K
R385 1K R386 1K
R159 5.6K
19
18 15
13
22
17
100P
1K
R376
1K
R375
5
6
8
7
1K
R368
2.2K
10P
C151
18K
R171
1K
R367
2.2K
R237
10u50
+
C153
100P
C227
47u25
+
C149
220K
R169
1.8K
R167
10K
R355
4
3
2
1
R173
2.2K
R238
10P
C152
R172
18K
47u25
C150
+
R168
1.8K
C228
100P
R170
220K
R356
10K
C147 470P
R165 18KR166 18K
C148 470P
10u50
+
C154
C176 470P
R358
R212 27K
10K
C175 470P
R211 27K
R357
10K
10P
R366
1K
2.2K
2
3
10u50
+
1
4
R214
1.8K
+
C178
47u25
220K
R216
100P
C230
10P
C18218K
R218
C180
2.2K
R194
1K
R378
R365
1K
10u50
7
+
R215
220K
C229
100P
R213
1.8K
6
C177
47u25
C179
18K
+
R217
5
C181
8
2.2K
1K
R377
R219
R193
C220 470P
R27510u50
2
3
+
1
4
1.2K
R271 18K
R360
10K
C205 470P
R251 18K
R359
10K
2.2K
7
10u50
R370
R369
1K
1K
10P
R272
240
C221
100u10
+
R273
3.3K
C223
R274
18K
C222
100P
+
R253
220K
C247
100P
R252
1.8K
C206
6
47u16
C207
18K
R254
+
R379
1K
R255
5
C208
8
R264
C268 1
1K
R353
R351 10K
C415 1u50
+
R352 22K
1K
R286
R354 10K
R361 47K R362 47K
R363
360
R364 10K
10u25
C416
C417 10u25
R371 56K
R372 100K
R373
360
R374 10K
820 1/4W
R380
14
12
13
3
6
12
13
2
6
13
12
3
2
4 5
13
12
14
19 18
15
23
22
21
11
13
17
18 15
21
4
5
C
R
RS
LS
L
LS
RS
L
R
C
SW
Q3,4,9,10,15,16
Q5,6,11,12,17
R382 1K
R383 1K
R157 100
REC OUT
5.6K
18
23
11
IC110-112
IC1,2,7,8,13,14
30V
30V
2.2K
R174
2.2K
R220
2.2K
R322
+12V
+12V
+B
12V
12V
+12V
12V
+B
+12V
12V
+12V
+5V
+B
+12V
12V
+B
+12V
+B
12V
12V
+12V
12V
+12V +12V
12V
B
B
+12V
+12V
12V
+B
+B
+B
+12V
+B +B
IC106
IC109
IC101
(X07-31XX-XX) (A/3)
A
58.4V
58.0V
58.4V
56.0V
56.2V
-56.7V
-56.2V
-58.4V
11.8V
-11.8V
-11.8V
11.8V
11.8V
-11.8V
-11.8V
11.8V
OFF : 4.6V
ON : 1.6V
-29.7V
8.0V
5.4V
-11.8V
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

Kenwood VR-407 Specifications

General

Brand	Kenwood
Model	VR-407
Category	Receiver
Language	English