Kenwood Ez700SR Service Manual page 29

F
BU
IC1
POWER
AMP
SW5V
D16
R51
5.0V
47K
BU5V
C115
E2PROM
0.01
C113
0V
IC105
0.01
8 5.0V
VCC SW5V
A0
7
A1 WP
6
A2 SCL 1
5
GND SDA 100
5V
0V
A8V
MUTE DRIVER
IC102
V
1 14 5.0V
Y1 VCC BU5V
2 13 5.0V
A1 Y4
3 12 0V
B1 B4
4 11 0V
Y2 A4
5 10 0V
A2 Y3
6 9 5.0V
B2 B3
7 8 5.0V
GND A3
C35 C16
C20
0.01 0.1
0.1
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
A (X92-5120-00) (X32-5540-02)
G
EZ900HDS
IC403
ONLY
3.3V 1 28
DVDD CM0
2 27 0V
DVSS CM1 46
3.3V 3 26 3.3V
TVDD OCKS1 45
4 25 0V
C432
V/TX OCKS0 48
0.01
0V 5 24
XTI MCKO1
6 23
XTO MCKO2
0V 7 22
PDN DAUX
21
C431 R429
0V 8
BICK
R
0V
20
0.01 18K SDTO 50
3.3V 9
19 3.3V
AVDD
LRCK 52
0V 10
18
AVSS
ERF
R428 0V 11
17
RX1
FS96
100 12
16 0V
RX2
P
13
15
RX3
AUTO
14
RX4
DIGITAL INTERFACE
RECEIVER
47
C114
0.1
R135
10K
3.5V 76
DC OFFSET
R137 100K
77
R138 100K 78
R139 100K
79
R140 100K
80
0V
R167 100
81
81 SR F LOCK
82
S-METER
83
NOISE
84
IFC-OUT
85
85 LX MUTE
R165 100
86
86 LX REQ M
87
R168 100K
NC
88
88 LX REQ S
89
KEY-REQ
R146 470 C110 0.01
5V
0V
R145 100K
R142 2.2K
90
90 LO.S SW
R143 2.2K
91
91 12EJE SW
R147 470 C111 0.01
5.0V
R148 100K
R149 47K
R144 1K
92
EJECT
R157 100K
93
NC
R154 100 94
LX DATA S
R155 100
95
95 LX DATA M
R158 100K
R156 100
96
96 LX CLK
R159 100K
R153 100K
R150 470
97
97 L DATAL
R151 470
98
98 L DATAS
R152 470
99
99 L CLK
100
100 PLL DATA
1
5V
0V
BU5V
H
3.3V
Q211 IC503
47K
0V 1
DIR
47K 5.0V 2
2 A1
0V 3
3 A2
5.0V 4
4 A3
0V 5
RST 5 A4
0V 6
85 A5
0V 7
A6
8
94 A7
9
88 A8
10
D220
0V GND
C109
0.01
5.0V
5.0V
5V
0V
IC101
MAIN u-COM
5V
0V
5V 5V
0V 0V
5V
5V 0V
0V
I J
Ez700SR/Ez900HDS
5V
5.0V
20
R49
VCC
100K
19 0V
ENABLEG
18 3.3V
B1 30 32
17 0V
B2 23 5.0V
16 3.3V
B3 24
15 0V
B4 29
D501
5V
14 0V IC103
0V B5
13 0V
RST
B6
5V
12
0V B7 54
11
B8 31
3.3V
3.3V
0V
0V
18
74
BU5V
C108
0V/5.0V
0.01
R129
50 10K
5.0V
PS1-1
5.0V
R128
5V 0V/5.0V 49
PS1-0
0V
48
10K
NC
47
NC
46 0V
SW5V
R127
45
CD +B
0V/5.0V
1K
0V/5.0V
44
TYPE0
43
TYPE1
42
TYPE2
41
IC2 TYPE0
40 0V
IC2 TYPE1
39
CLKOUT
38 5.0V
VDD
37
VSS
36
X1
20MHz
35
X2
C105
3.3V
1
34
REGC
33 32.768kHz
XT2
R125
32.8kHz
10K
32
XT1
31 5.0V
RESET
30 0V
PANEL 5V
R123 100K
R121 1K
29
M-MUTE R
5V
R120 1K
28
0V
M-MUTE L
R122 100K
5V
0V
R119 2.2K
27
LOE/LIM
5V
5.0V 26
0V MUTE
0V
5V
0V
X34-3340-1x (2/6)
R124
100K
5.0V
0V
51
50
46
45
C107 0.1
∗
R133 100K
∗
W101
X102
20.000MHz
C104
27P
C103
22P
R118
4.7K
30
29
28
27
26
R170
100K
29