Kenwood VR-505 Service Manual page 13
Audio video surround receiver
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Also See for VR-505:
- Instruction manual (44 pages) ,
- Service manual (35 pages) ,
- Instruction manual (50 pages)
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K
L
(X07-3XXX-XX) (A/4)
Q Q
FRONT/CENTER CH
IC2
3 7 6 3 1 5 1 5 0
R228
33K
1/4W
B
B
B
B
D8
D9
59.0V
C401
1000P
65.3V
R236
Q203
47
R232 10K
Q202
Q207
R237
R233
Q205
10K
4.7K
Q206
D18
R234
220K
D19
D20
R242
Q208
R238
100
10K
1/4W
1/4W
-65.2V
T E
L
1 3 9 4 2 2 9 6 5 1 3
D14
R221 33K
D11
R220 75K
65.3V
D10
R219 75K
+B
B
R210
8.8V
100
B
+B
R262
8.0V
1 1/4W
+B
IC12
1
D37
D36
2
0.3V
3
C234 10u50
-28.8V
+
30K 1/4W
C233 0.01
27 1/4W
5.4V
14
E5
w w w
15 14 13 12 11 10 9
8 7 6 5 4 3 2 1
.
C
M
N
FRONT/CENTER CH
IC4
C155
100P
B
+B
+B
R355
R317
470
30K
Q305
R354
R314
470
30K
Q304
R353
R313
470
30K
Q303
C133
C50
C139 18P
C137 470P
470P
470P
R143
C135
1K
R145 33K
100u10
R147
+
R135
R70
33K
33K
C56 18P
C54 470P
R78
C52
1K
R80 33K
100u10
R82
+
C55 18P
C53 470P
R133
R68
11.7V
R77
C51
100K
100K
1K
R79 33K
100u10
R81
+
+B
B
C315 470P
R207
Q201
-30.0V
63.5V
100
B
1/4W
D35
T1
8.0V
C209
R209
D4
D5
10u50
2.7K
+
-30.5V
-14.5V
D33
D34
R261
F1
8A 125V
R263
CN8 CN9
K5
Q215
J8
x
a o
y
R260
3.3M
i
1 2
1
2
CN4
CN2
P1
(K,P)
: AC120V 60Hz
O
P
R83
8
4.7
1/4W
L1
20.0V
3uH
C151
100P
L2
3uH
R84
4.7
1/4W
R149
4.7 1W
L5
3uH
2
B
B
B
-65.2V
+B
+B
W13
39.8V
R150
4.7 1/4W
L6
3uH
R119
4.7 1/4W
L3
3uH
3
C49
470P
L4
3uH
R120
4.7
R69
1/4W
33K
Q
Q
3
7
6
3
R67
100K
4
+B
B
65.3V
-65.2V
D1
B
39.8V
B
-39.8V
D2
J8
u 1 6 3
.
1 2 3
4 5 6 7
8 9 10 11
12 13 14 15
E2
WH2
1
Q
R
2
4
9
9
R321
150 1W
13.9V
K1
SP.A
J4
ON/OFF
SW
Rch
1
3.8V
SPEAKER A
Q307
Lch
Cch
Q308
3.8V
Cch/SW
ON/OFF
SW
K2
WH7
R322
150
1W
13.9V
J5
G
Rch
Q310
SPEAKER B
Lch
SP.B
ON/OFF
K4
SW
SRch
20.0V
SURROUND
R323
150
SLch
1W
SL/SRch
J9
ON/OFF
13.9V
SW
1
5
1
5
0
8
9
2
K3
SRch
SURROUND
SLch
Q309
WH7
F
J6
SWch
SURROUND
SRch
C146
2200P
SLch
J7
R154
SWch
330
+B
E
12.0V
20.0V
IC5
D3
R301
E1
1
OUT
IN
+B
3
1/4W
GND
2
WH1
-12.1V
R302
2
GND
1
OUT
IN
B
1
1/4W
IC6
m
-21.0V
c o
S
T
2
8
9
9
DIGITAL LINE
SIGNAL LINE
GND LINE
B LINE
+B
B LINE
B
IC1
:
IC2
:
IC3,4
:
STK413-020A
IC5
: KIA7812API
IC6
: KIA7912PI
IC7
: NJM4580L-D
IC8,11
: NJU7313AL
IC9,10
: NJM4565D
IC12
: BA05T
Q1-6
: 2SC2878(B)
Q201,208
: 2SB1640
Q202,205,211-214,
301-306
: 2SC1845(F,E)
Q203
: 2SA1535A
Q206,209,210,311
: 2SA992(F,E)
Q207
: 2SC3944A
Q215
: 2SC1740S(Q,R) or
4
9
8
2
9
9
2SC2785(F,E)
Q307-310
: UN4219
D1,2
: TS6P03G-B or
D5SBA20F03
D3
: D2SBA20F03
D4
: MTZJ16(B) or
RD16ES(B)
D5-9
: MTZJ15(B) or
RD15ES(B)
D10-17,21,24-28,32-34,
37
: 1SS133 or
HSS104A
D18
:
D19
:
D20
:
D22,23,31
: MTZJ3.9(B) or
RD3.9ES(B)
D35
: S1ZB20 (4101)
D36
: RB721Q
TRANSFORMER
(X07- ) (B/4)
X08-
WH3
CN1
2
2/3
2
1
E4
A
15
14
X14-A/8
-CN205
13
12
3/3
11
10
B
9
8
1
X14-A/8
7
-CN203
6
(X07- ) (C/4)
5
3/3
WH4
4
2
3
C
2
1
X08-
1
CN5
E3
2/3
1
2
D
3
VR-505/506/507/509/510/517(1/3)
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