Kenwood VR-505, Service Manual

Page: 20 / 35

CC CD CF CH CJ CL CE CG CI CK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
40
75 74 73 72
71
70 69 68 67 66 65 64 63 62
61
60 59 58 57 56 55 54 53 52
51
-VREF
TH SENS
PROT1
PROT2
S LEVEL
KEY
GET
CE2
CE1
DIG DET
+VREF
VDD
OSC2
OSC1
VSS
X1
X0
MMOD
DIR/CODEC DIN
DIR/CODEC DOUT
DIR/CODEC CLK
DSP
DIN
DSP
DOUT
DSP
CLK
DSP
CE1
DSP
CE2
RDS DIN
SP
A
RL
Y
VOL
CCW
VOL
CW
SEL
CCW
SEL
CW
MUL
TI CCW
MUL
TI CW
TUNER D3 TUNER D2 TUNER D1 TUNER D0 CH SP
ACE
MODEL
T2
MODEL
T1
MODEL
T0
DIR AUT
O
IR SW LIMITER S DA
T
A
S BUSY RFRCV CLK RFRCV DIN RFRCV CE SD STEREO
1
7
6
5
4
3
2
1 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
MUL
TI
MUL
TI CW
SEL. CCW SEL. CW VOL. CCW VOL. CW FL
CE
FL
CLK
FL
DIN
FL
DOUT
REMO ST
ANDBY
GET
.KEY
HP
.L
HP
.R
-30V +5V (N)
+5V (B) X14 GND FL
AC1
FL
AC2
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
HP
L
HP
R
A
MUTE
SEL
DIN
SEL
CLK
SEL
CE2
SEL
CE1
G GND AUX R G GND AUX L -12V X14 GND +12V TUNER Lch G GND TUNER Rch
5
4
3
2
1
TH. SENS PROT2 PROT1 P
ACK CTL
LIMITTER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
DIG DET
DIR DIN
DIR DOUT
DIR CLK
DSP DIN
DSP DOUT
DSP CLK
DSP CE1
DSP CE2
DIR ERR
DSP IRQ1
DSP IRQ2
DSP PD1
DSP PD2
DIR PD
CODEC PD
CODEC CLIP
CODEC CE
PROT2
VOL CE
SEL CE2
SEL CE1
SEL CLK
SEL DIN
21dB ATT
SURR MUTE
DIR AUTO
VOL CLK
VOL DIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
Y C VID. G -5/12V +5/12V +7.8V D.GND NC REMO RFRCV DIN RFRCV IR SW COMP1 V CTLD V CTLC V CTLB V CTLA V MUTE
1000P
C205
1000P
C206
1 2
69 70 82 26 43 42 44 45 73 74
71
72
14 14 15
20
21
15
C542 10u50
+
CP200
100Kx10
CP201 100Kx6
CP203 100Kx5
CP202 100Kx6
75
81 77 80 79 76
R316
100K
100
R275
93 92 94 96
92 96 94 93
94
93
92
96
58
81
3 4 2
COMP
.
Y C VID.G AUX.L AUX.G AUX.R
30V
+5V +5V
STEREO SD TUNER MUTE TUNER Rch TUNER Lch X14 GND +5V (N) +12V S.LEVEL RDS CLK RDS DIN TUNER DOUT TUNER CE TUNER CLK TUNER DIN
2 3 4 5 6 7 8 9
10
11
12 13 14 15
LED
29 40
50 52
51
47 48 49 46
10
4 2
11
11
10
9 2 4
9
53 54 55 86
98
87
34
35
96
94
93
92
84
83
28
38
39
36
37
31
30
9
24
25
22
23
19
20
21
18
60
C245
0.01
R288 100
R287 100
R233 100
R242 100
87 97 86 85 84 83 98
1 2
R276 100 R277 100 R278 100 R279 100 R281 100 R280 100
71
69 70 72 73 74
100Kx10
W107
W99
W100
56 57
CP205
59
60
50
R282
100
52
47K
R284
100
R283
51
47K
R285
2.2K
R289
55 54 53
1K
R308
41
NC
FL DIN
FL DOUT
43
42
TUNER DIN
TUNER CLK
FL CLK
FL CE
45
44
46
47
50
49
48
TUNER CE
TUNER DOUT
MUTE
49 47 48 42 26 45 46 44 43
C510 100P
C511 100P
C513 100P
C512 100P
CODEC PD
CODEC CLIP
CODEC CE
DIR PD
DSP PD2
DSP PD1
RESET
NC
DSP IRQ2
RDS CLK
DSP IRQ1
DIR ERR
REM0
REM1
37
38
39
36
35
34
33
32
31
30
29
28
26
27
R231 100
39
37
38
36
35
34
29
40
76
SUBW RLY
77
SPB RLY
79
78
SURR RLY
(SUBW)
80
PWR RLY
81
PACK CONT
83
SURR MUTE
82
STANDBY LED
COMP1
A MUTE
20dB ATT
84
85
86
VOL DIN
87
V CTLC
90
89
88
V CTLB
V CTLA
V CTLD
91
95
94
93
92
SEL ST1
SEL DIN
SEL CLK
DAVSS
VOL CE
SEL ST2
V. MUTE
VOL.CLK
96
97
98
99
100
DAVDD
8.38MHz
X200
220 220 220 220 220 220 220 220
20
21
22 23 24 25 19 18
58
2
4
10
9
11
9
R243 R244 R299 R298 R297 R245 R246 R247
R292 100K R291 100K R293 100K R290 100K C243 100P C244 100P R249 100K R248 100K
5
85
97
59
31
30
28
CP206
100Kx4
100
R255
1
R307
100
R250
100
R254 R253
100 100
R251
R252
100
R310 100K
R311 100K
R312 100K
R313 100K
C248 0.01
C518 100P
C249 0.01
C250 0.01
5 4 3 2
R256 100K
R306
1
R304 100
R305 100 R315 100K
R314 100K
0.01
C247
10u50
C541
+
10K
R232
100K R212
IN OUT
GND
0.01
C284
+5V
+5V
30V 30V
+5V
+12V
+12V
+12V
12V
+12V
12V
+12V
+7.8V
+B
B
R238 220
R239 220
R241
100
R240
100
R262 1K
R235 220
R237 220
R236 220
R234 220
+5V
+5V
+12V
4.3K R301
5.1K
R210
47u25
+
C203
11
10
9
R222
220
220
R224
220
R223
680
R228
1000P
C208
R501
R230
1
W189
W161
100
R211
56
57
R294 100K
W140
10K
W29
R318
10
+7.8V +7.8V +7.8V
+5V +5V
+7.8V
+5V
+4.8V +4.8V
+4.8V
+B
+4.8V
+5V
+5V
+5V
+5V +5V +5V
+5V
12V
+12V
+12V
12V
+12V
12V
+12V
12V 12V
+12V
+5.2V
+5.2V
+5.2V
5.1V
+5.2V
+B
+B
B B
+B
B
+B
B
+B
+12V
B
12V
+B
B
+B
82
TUNER
CENTER/
GND GND CLK RFRCV CE CONO GND (mini) CCW CON1
IC200
IC207
(X14-7XXX-XX) (A/8)
5.1V
5.2V
5.7V 12V
5.2V
a
b
-28.8V
12.0V
5.1V
-5.1V
5.7V
11.8V
5.1V
5.0V
5.0V
4.8V
5.0V 5.1V
-28.8V
5.0V
5.1V
4.7V
12.0V
MUTE
ON : 0V
OFF : 4.7V
-12.1V
8.0V
(BOTTOM VIEW)
WH3 CN206 CN204 CN205
CN202
CN201
E200
+5V
AVR
D221
Q203
D206
D207
(X14-7XXX-XX) (A/8)
RD5.6ES (B)
: RB721Q
D212,213
Q202 : KTA1273 or
: 1SS133 or HSS104A
HZS5.6N (B2) or
: MTZJ5.6 (B) or
D200-207,214-216,220,221
D209,210
2SA933AS (Q,R)
: KTA1267 (Y,GR) or
2SD1768S
: 2SC3940A (R,S) or
2SA1534A (R,S)
Q205
Q203
NJU4052BD
: XC62FP5102P
: KTC3199 (Y,GR) or
2SC1740S (Q,R)
: S-80840ANY
IC207
Q200,201,204
IC204
: NJM2279D
: TC74HC4052AP or IC201
IC202
IC200
FAST-OFF2 CCT.
+5V
AVR
u-COM
:
B
F
2 3
5
4
1