Kenwood VR-505 Service Manual page 18
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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BI
BJ
X07/-A/4
-CN6
1/3
Q Q
3 7 6 3 1 5 1 5 0
B
1
X07-A/4
-CN7
(X05-5150-11)
1/3
5.0V
C
+5V
+5V
R54
100
C42 10
Q12
2.0V
4.9V
5.0V
D4
R52
C41
R51
10K
4.7
R50
47K
100
C40 0.01
4
Q11
3.7V
R49 4.7K
4.8V
3
2
4.2V
R46
C39
6.8K
330P
2
Q10
3.2V
R47
4.7K
2.4V
R44
C37
C38
10K
2.0V
10P
4700P
Q9
C36
R43
0.4V
1
10K
R42
100
C35 0.01
Q8
0.9V
R40
C33
C34
100K
4.7
470P
0.6V
R37
100
C31 10
3
C32 0.047
Q7
R38 2.2K
3.3V
R36
100
3.0V
R34
2.2K
C30 0.01
R32
2.2V
R35 2.2K
2.2K
Q6
1.6V
R31 1K
3.0V
4.4V
2
Q5
5.0V
2.2V
3
R29
T E
L
1 3 9 4 2 2 9 6 5 1 3
1K
3.7V
0.7V
4
C28 0.01
Q4
R30 1K
+B
4
R28 680
1.4V
CF1
R12 10
C9 10
+5V
C10 1000P
DOWN
L3
D3
CONVERTER
23n
R14
4.6V
47K
IC1
1.9V
5
4
4.6V
C11
C12
6
3
4.5V
4P
10P
0.8V
R15
C13
C14
R16
Q3
C5
C8
2.5V
2
0.022
1000P
7
2.2
4P
1P
10
8
2.3V
C15 5P
1
C6
2.5V
220P
5
+5V
IC3
2.7V
4
3
5
2
6
L1
+5V
3.0V
C2
1
10P
0.8V
CHANNEL FREQUENCY (MHz)
VT VOLTAGE
CHANNEL
1
2
3
CHANNEL
1
OSC FREQUENCY
417.3
414.3 411.3
VT VOLTAGE
2.40
0.5
2.35
6
w w w
X08-
CN2
2/3
E
X08-
CN3
2/3
7
F
BK
BL
(X35-22XX-XX)
CN1
7
+B(+5V)
6
OUT
J1
5
GND
4
FFC GND
MONITOR
3
CE
OUT
2
DATA
1
CLK
IC1
:
UPC1687G
DVD
IC2
:
LV2105V
PLAY IN
IC3
:
UPC2748T-E3
Q3
:
2SC5065(O,Y)
Q4-6
:
2SC4178(F13,F14)
Q7,11,12
:
2SB1218A(Q,R) or
2SA1576A(R,S)
Q8-10
:
2SD1819A(Q,R) or
2SC4081(R,S)
D1,2,4
: MA111
REC
D3
:
KV1832E
OUT
VIDEO1
J2
+B
X1
12.800MHz
PLAY
IN
PLL
IC2
16
2.6V
2.6V
1
15
R24
0V
1K
14
2
R23
4.9V
1K
VIDEO2
3
PLAY IN
13
R22
1K
4
C19
470P
12
4.9V
5
11
4.2V
6
10
7
8
9
2.3V
VIDEO3
PLAY IN
R25
4.7K
R19 470
L4
C16
100n
0.022
R18
C17
180K
220P
J11
DVD
R21 10
+5V
Y
VIDEO3
RF
ANTENNA
J1
DVD
R2
C1
12
10P
Cb
VIDEO3
2
3
0.5
2.30
0.5
DVD
Cr
VIDEO3
J12
Y OUT
x
a o
Cb OUT
.
i
Cr OUT
BM
BN
CN1
B
R1 100K
C1 47P
IC1
C2 47P
S VIDEO (C)
SELECTOR
R2 100K
R3 82
C3 47P
C4 47P
B
B
R4 82
+B
12
R5 100K
C5 47P
C6 47P
R6 100K
R7 82
C7 47P
C8 47P
B
IC3
R8 72
VIDEO
SELECTOR
5
R9 82
C9 47P
C10 47P
Q
Q
R10 82
B
3
7
IC2
S VIDEO (Y)
SELECTOR
R11 82
C11 47P
C12 47P
R12 82
B
B
C102
47u25
IC11
(Y)
3
+
SELECTOR
1
14
1
IN3
VSS
B
2
13
SW1
SW2
C131
3
12
C108
3
IN2
IN1
47u25
W33
4
11
0.01
1
M2
M1
+
5
10
OUT2
OUT1
C104
6
9
47u25
GND
NC
7
8
3
+
GND
VCC
+B
W31
IC12
(Cb)
C110
47u25
SELECTOR
1
1
14
+
1
IN3
VSS
B
2
13
C106
SW1
SW2
47u25
3
12
C132
3
3
IN2
IN1
+
W27
4
11
0.01
M2
M1
5
10
OUT2
OUT1
6
9
GND
NC
C112
7
8
GND
VCC
+B
47u25
1
+
R122
W28
68
IC13
(Cr)
SELECTOR
1
14
-4.7V
R124
1
IN3
VSS
B
u 1 6 3
68
2
13
y
SW1
SW2
C133
3
12
3
IN2
IN1
4
11
0.01
M2
M1
R126
68
5
10
OUT2
OUT1
6
9
GND
NC
7
8
GND
VCC
+B
BO
BP
1
2
4
8
9
9
2
4
6
8
10
12
14
16
18
CN2
1
3
5
7
9
11
13
15
17
19
7
8.0V
5.0V
IC21
+B
IN OUT
+5V
GND
R42
+5V
2.2
AVR
W30
W21
+B
R204
10K
Q201
Q202
D201
D202
12.0V
L1 100uH
4.8V
5.0V
R31
Q51
4.7
(X35-22XX-XX)
+B
IC1,2,11-13 : NJM2279D
6
3
1/4W
1
5
1
5
0
8
9
9.7V
IC3
: TC74HC4052AP or
NJU4052BD
R53
IC21
: BA05T
680
IC22
: TC74HC00AP
-12.1V
R54
680
R32
DIGITAL LINE
4.7
B
SIGNAL LINE
1/4W
Q52
-9.7V
GND LINE
-4.8V
+B
B LINE
B
B LINE
-5.0V
Q101
R107
4.7V
10K
+B
m
c o
.
BQ
BR
2
8
9
9
6
4
2
5
3
1
RF/IR IN
SELECTOR
R227
1K
7
+B
C239
220u6.3
+
IC22
+B
+B
W15
REPEATER
OUT PUT AMP
+B
+B
R206 27K
R201
R205
R208 100
Q204
4.7K
1K
R209 22K
Q203
W71
Q51
: 2SD2525
D51,52
: MTZJ5.6 or
2
4
9
8
2
9
9
Q52
: 2SB1640
MTZJ5.6 (B) or
Q101,202
: UN4212 or
HZS5.6N (B2) or
DTC124ESA
RD5.6ES (B) or
Q201,203
: KTC3199 (Y,GR) or
RD5.6ES (B2)
2SC2785 (F,E) or
D101-103,201,202,
2SC1740S (Q,R)
223,224
: 1SS133 or
Q204
: KTA1267 (Y,GR) or
HSS104A or
2SA1175 (F,E) or
HSS104
2SA933AS (Q,R)
TUNER PACK
TUNER MUTE
PLL DO
PLL CE
PLL CLK
PLL DATA
+12V
Lch
GND
Rch
ST
SD
S-LEVEL
FM DET
AM
GND
FM(75)
FM75
GND
AM
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