Kenwood Ez700SR Service Manual page 30

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K
Ez700SR/Ez900HDS
CN7
3
2
V
BU3.3V
1
0K
R552
100K
0V
76
FLMD1
77
NC
0V
78
U SW
79
NC
80
NC
W501
81
NC
R562 100K
R562 100K
82
TYPE0
0V
83
TYPE1
R563 100K
0V
84
TEST0
R564 100K
z
0V
85
TEST1
R565 100K
0V
86
04
TEST2
87
P
NC
88
03
PON FAN
89
P
89
VUO
90
91
91
SR SNS V
92
92
SR REF V
93
93
VSW3
94
NC
95
ACT
ACT
96
ESN
ESN
97
T ERR
T ERR
98
NC
99
NC
0V
100
SR F LOCK
30
X34-3340-1x (3/6)
L
CN6
1
10
9
8
7
6
5
4
3
C507
R545
0.01
100K
3.3V
0V
3.3V
0V
0V/3.3V
0V/5.0V
SUB u-COM
0V/2.2V
0V/2.3V
0V
2.6V
5MHz
R502
X501
0V
5.000MHz
18K
C501
0.01
BU3.3V
M
49
23
22
Q503
Q504
2
1
R550
R553
4.7K
10K
Q505
Q506
44
43
88
R535
100
5V
5V
0V
0V/3.3V
0V
5V
3.3V
0V
0V
5V
0V
IC501
D/L ALARM
3.3V
0V
LX MUTE 1
3.3V
0V
LX REQ S 1
LX REQ M 2
0V
0V
0V
3.3V
Q501
47K
47K
18
N
Q507
22K
22K
0V
IC502
5.0V
5.0V
C508
0.1
1
8
A0
VCC
0V
2
7
A1
WP
0V
3
6
A2
SCL
SCL
0V
4
5
GND
SDA
SDA
5V
0V
E2PROM
52
C510
220P
R546
100K
R534
50
0V
DL DATA
50
4.7K
49
0V
UART SW
49
48
0V
DIR CSN
48
47
0V
DIR RST
47
46
0V
CDT
46
45
0V
CCLK
45
R530
10K
R527
44
UART I
44
100
R529
4.7K
R526
43
UART O
43
100
42
3.3V
R522 47K
DMS
R521 47K
41
3.3V
DCK
R520 47K
40
3.3V
DDO
R519 47K
39
3.3V
DDI
R569
38
0V
BEEP
3.3K
37
0V
36
SCL
SCL
35
SDA
SDA
34
3.3V
EVDD
33
0V
EVSS
0V
32
32
31
31
R528
30
3.3V
100K
30
29
0V
LX CON 2
29
R539
100K
28
0V/3.3V
AM SW1
27
R538
NC
100
26
SR RX
26
3.3V
0V
3.3V
0V
25
O
R257
AMP
1K
R272
10K
TEL
R26
10K
DIM
D21
BU
R
1
ACC
Q239
47K
51
51
47K
Q215
47K
47K
Q206
47K
63
47K
Q205
47K
63
47K
Q240
47K
51
47K
Q216
47K
47K
Q204
47K
63
47K
Q502
47K
EZ900HDS
47K
ONLY

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