Kenwood VR-505 Service Manual page 18

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