Kenwood RXD-951 Service Manual page 33

CW CX
12V
+12V
+5.6V
30V
E9
1 MUTE
2 ATT
3 S.W.IN
4 Lch IN
5 A.GND
6 Rch IN
WH13
7 C.PROT.
8 D.PROT.
9 FAN CONTROL
10 SP.RLY
( 11 ) 11 H.P.
( 12 ) 12 HP RELAY
13 CS RELAY
IC11
E6 M
1 MUTE
2 ATT
3 S.W.IN
4 Lch IN
5 A.GND
6 Rch IN
7 C.PROT.
8 D.PROT.
9 FAN CONTROL
10 SP.RLY
( 11 )
11 H.P.
( 12 )
12 HP RELAY
T
5 4 3 2 1
E7
WH14
L
CY CZ
12V
+12V
+5.6V
A
(
(
+B
X3
4.332MHz
2.5V 2.5V
D45
+5.6V
+
+ C143
L2
D16
10uH D21
560P
+B +5.6V +5.6V
R153
IC11
47K
L1
RDS DATA SYSTEM
1uH
R152
DEMODULATOR
22K
CN14
B.CPM 1 76
B.SOL 2 77
B.PH 3 88
0V
4.6V
A.PH 4 87
R228
R/P 5 75
1K
Q28
BEAT.C 6 69
0V
A/B 7 70
BIAS 8 71
H R.MUTE 9 72
DOLBY 10 73
D R/P 11 74
A.CPM 12 78
0V
A.SOL 13 79
CDCK 14
PS LOAD 15 2 0V
PS SIN 16 1
NC 17
Q29
0V
1 2 3
CN19
DA DB
+5.6V
30V
97
R259
4.7K
4.6V
2 )
0V
1 )
4.8V 100
+5V +VCC(5V)
99 4.6V
VSS
98
GND
0V
0V 97
ZERO
R242 100 1.6V 96
CD. MUTE
( 95 )
R159 4.7K R237 100 0V 95
PS. SW
( 94 )
R162 4.7K R238 100 0V 94
DN. SW
(
93 )
R161 4.7K R239 100
4.8V 93
UP. SW
( 92 )
R160 4.7K R236 100 0V 92
ST. SW
4.7V 91
BACK. UP. 5V
( 90 )
R158 4.7K R240 100
0V 90
LO. SW
R157 4.7K R241 100
0V 89
UNL. SW
( )
89
( 88 )
R322 4.7K R235 100 4.8V 88
B. PH
(
87 )
R321 4.7K R234 100
0V 87
A. PH
3.5V 86
RET. 1
2.9V 85
RET. 2
84
RET. 3
83
RET. 4
82
TU/SPE. 1 0V
81
TU/SPE. 2
R233 100
( 80 )
R223 10K
2.9V
( 82 )
R222 10K
(
81 )
+5.6V
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 13 12
CN20
B C
DC DD
12V
+12V
+5.6V
30V
10
0.4V
0V
0V
0V
0V
IC10
MAIN u-COM
1.5V
0V
4.6V
4.7V
+5.6V
61
11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 12 11 10 9 8 7 6
E3
E
WH12
WH20
DE DF
31
R278
31 0V
E. DATA
100K
32
32 0V R279
E. CLK
100K R193
33 0V R280 100
P/N. O
100K
R194 R281
34 0V
M. BUSY/RDS. CLK
5.1K 100K
34
35 4.7V
RESET
36 2.3V 32.768KHz C151
32.768KHz IN
X2
18P
R156 C152
37 2.4V
32.768KHz OUT
470K 18P
38 2.0V
8.38MHz IN
39 2.3V
8.38MHz OUT
X1
40 8.38MHz
D. GND
41
R198
100 R285 4.7K
41 4.8V
SD
R197 42
42 4.8V 100 R284 4.7K
STEREO
R196 100
43 5.1V
PLL. DO 43
R123 10K
C41
44 5.1V
CE
0.01
R200 45
45 0V 100 R288 100K
PLL. CE
R199 46
46 0V 100 R287 4.7K
TU. EMP
47 4.7V
FL u-COM RST 47
48 4.7V
TUNER MUTE
49 4.3V
DRV. ST 49
50 4.7V R128
HP RELAY
4.7K
0V
5 4 3 2 1
E4