Kenwood VR-505 Service Manual page 20

CC CD
(X14-7XXX-XX) (A/8)
2
Q Q
3 7 6 3 1 5 1 5 0
E200
4 2 2
WH3 CN206
5 3 1 1 3
30V
-28.8V +5V
12.0V
+12V
+7.8V
+5V
+4.8V
IC207 5.1V
IN OUT +5V
GND
+5V
AVR
D207
57
56
FAST-OFF2 CCT.
D206
5.2V
T E
L 1 3 9 4 2 2 9 6 5 1 3
C203
47u25
+
+5.2V
R222
11
220
5.1V
-5.1V
R224
220
9
R223
10
220
96
94
93
92
+5.2V
W29
5.2V
W140
w w w
Q203
11.8V
R228
+5V
680
AVR
C208 5.1V
+5V
5.7V 1000P
5.7V 12V
+12V
12V
+B
B
CE CF
4
B
4 6 2 4 6 8 10 12 14 16
CN204
13 15 17
5 7 1 3 5 7 9 11
C206 C205
1000P 1000P
-28.8V
30V
+5V
+12V
+7.8V +7.8V
+5V
+4.8V
5.0V
+4.8V
C248 0.01
R313 100K
C518 100P
R312 100K
C249 0.01
R311 100K
C250 0.01
C542 10u50 R310 100K
5.0V
2
4
10
100
9 DAVDD
99
11 V. MUTE
98
VOL.CLK
97
VOL CE
96
SEL ST2
95
DAVSS
94
SEL ST1
93
SEL CLK
92
SEL DIN
91
V CTLD
90
V CTLC
89
V CTLB
88
V CTLA
87
VOL DIN
86
COMP1
85
A MUTE
84
20dB ATT
83
SURR MUTE
82
STANDBY LED
81
PACK CONT
80
PWR RLY
79
SURR RLY
R316
78
(SUBW)
100K
77
SPB RLY
76
CENTER/
SUBW RLY
R211
75
100
CP205
100Kx10
x a o
y
. i
+5V
+12V
12V
CG CH
5
18 20
CN205 CN201
19 21 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
MUTE
ON : 0V
OFF : 4.7V
12V
+12V +12V
+7.8V
4.8V
R304 100 R314 100K
R305 100 R315 100K
R250
100
9
C247
0.01
X200
8.38MHz
Q Q
3 7 6
R288 100
26
REM1
R287 100
27
REM0
28 R242 100
DIR ERR
29 R233 100
RDS CLK
30
DSP IRQ1
31
DSP IRQ2
32
NC
33
RESET
34
DSP PD1
35
IC200 DSP PD2
(BOTTOM VIEW) 36
DIR PD
37
u-COM
CODEC PD
38
CODEC CLIP
39
CODEC CE
40
RDS DIN
41
NC
42
FL DIN
43
FL DOUT
44
FL CLK
45
FL CE
46
TUNER DIN
47
TUNER CLK
48
TUNER CE
49
TUNER DOUT
50
TUNER
MUTE
R283 R285
100 47K
59
R282 R284
60
100 47K
5.1V
u 1 6 3
5.0V
+5V
+B
B
CI CJ
1 3
2 4
8 9 9
2 4 6 8 10 12 14 16 18
1 3 5 7 9 11 13 15 17 19
85
a b
-12.1V
8.0V
CP206
100Kx4
CN202
9 1 DIG DET
3 1 5 1 5 0 8 9
18 2 DIR DIN
19 3 DIR DOUT
20 4 DIR CLK
21 5 DSP DIN
28
22 6 DSP DOUT
23 7 DSP CLK
R241
24 8 DSP CE1
100
30
25 9 DSP CE2
R240
28 10 DIR ERR
31
100
DSP IRQ1
30 11
31 12 DSP IRQ2
R262 1K 4.7V C245
34 13 DSP PD1
0.01
R239 220
34 35 14 DSP PD2
R238 220
36 15 DIR PD
35
R237 220 37 16 CODEC PD
36
38 17 CODEC CLIP
R236 220
37 39 18 CODEC CE
R235 220
19 PROT2
38
R234 220 97 20 VOL CE
39
96 21 SEL CE2
40
94 22 SEL CE1
R231 100
93 23 SEL CLK
92 24 SEL DIN
84 25 21dB ATT
83 26 SURR MUTE
27 DIR AUTO
98 28 VOL CLK
87 29 VOL DIN
CP200
100Kx10
C513 100P
C512 100P
C511 100P
C510 100P
(X14-7XXX-XX) (A/8)
IC200
IC201
IC202
m
IC204
IC207
Q200,201,204
c o
Q202
Q203
.
Q205
D200-207,214-216,220,221
+12V
D209,210
12V
+B
B
D212,213
CK CL
2
8 9 9
2 4 9 8 2 9 9
F
:
: NJM2279D
: TC74HC4052AP or
NJU4052BD
: S-80840ANY
: XC62FP5102P
: KTC3199 (Y,GR) or
2SC1740S (Q,R)
: KTA1273 or
2SA1534A (R,S)
: 2SC3940A (R,S) or
2SD1768S
: KTA1267 (Y,GR) or
2SA933AS (Q,R)
: 1SS133 or HSS104A
: MTZJ5.6 (B) or
HZS5.6N (B2) or
RD5.6ES (B)
: RB721Q