Icom IC-7700 Service Manual page 103

Hf/50mhz transceiver
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DTC114EU
Q363
Q364
DTA114EU
C 358
Q 352
0.0047
2SC5226
R369
0
PLL+5V
R1
DRES L
100K
DRESH
DATA
CK
CN2 2
IC1
1
16
STROBE
VCC
2
15
DATA
OE
3
14
CP
Q4
STB 2
4
13
Q0
Q5
5
12
STB 1
Q1
Q6
STB 3
6
11
Q2
Q7
STB 4
7
10
Q3
QS2
STB 5
8
9
GND
QS1
STB1U
CD74C4094 M
R5 2
IC51
TA7808F
82
R5 1
O
I
L30
27
G
CP30
330U
From OSC UNIT J1072
10MHz
10MHz
R33
J31
150
TMP-J01X-V6
L20
3.3U
EP2 0
MMZ1608Y102BT
DRES L
CK
R62
DATA
IC61
TA78L05F
82
STB 3
STB 4
R6 1
CN2 2
O
I
27
G
40M
PLL+5V
D 201
STB 5
Q41
DTC114EU
DAN222
10 - 13
R8
R9
1 .8K
100K
J2018
GND
1
EP1 1
UNLK
2
EP1 2
MPZ1608S221A
DRESH
3
R1 0
MPZ1608S221A
PDAT
4
R1 1
220
PC K
5
R1 2
220
CN2 1
6
R1 3
220
CN2 2
7
R1 4
220
PS T
8
R1 5
220
PS L
9
220
GND
10
GND
11
T8V
12
GND
13
R8V
14
GND
15
GND
16
52808-1671
J2019
B4B-PH-SM4-TB
4
EP10
+15V
3
EP13
+5V
2
MPZ1608S221A X2
1
T8VL
R1 6
R8VL
R1 7
220
R3 0
220
22
C30
Q30
2SC4081
0.1
R3 2
C3 2
10M
10M
0.1
100
UNL K
UNLK
PLL+5V
PLL+5V
PLL+8V
PLL+8V
EP2 1
T8V
EP2 2
MMZ1608Y102BT
R8V
MMZ1608Y102BT
DRESL
CK
DATA
STB3
STB4
CN22
MKRS
40M
M100K
To PLL-2
40M
PLL+5V
PLL+8V
DRESL
CK
DATA
STB5
M MUT
MMUT
VA1S
R28 1
1K
VA1S _
VA2S
R28 2
1K
VA2S _
VA3S
VA3S
VA4S
VA4S
VA5S
VA5S
VA6S
VA6S
DDSPDIN
DDSPDIN
VCOPDI N
VCOPDI N
SUBPD O
SUBPDO
MKRS
M100K
UNLKB
To PLL-3
OSC UNIT
Q1070
2SC4081
C1072
R1075
C1075
10MHz
0.0047
47
0.0047
J1072
TMP-J01X-V6
L1020
330U
C1025
L1023
L1024
Q1021
2SC4081
0.1
0.82U
0.82U
Q1022
C1027
C1030
2SC4215
22P
68P
C1022
R1023
R1025
0.1
4.7
3.3K
Q1023
D TC114EU
2SC421 5
Q1042
C1045
L1043
L1044
0.1
0.82U
0.82U
C1047
C1050
22P
68P
C1042
R1043
R1045
3.3K
0.1
22
Q1043
D TC114EU
X10
5
1
+DC
REFV
2
+VC
4
3
OUT
GND
CR-772
I C1091
1
14
A
SDO
2
13
EP1092
W
NC
C1094
3
12
MMZ1608Y102BT
B
VL
4
11
VDD
VSS
0.0047
5
10
SHDN
GND
6
9
CLK
PR
7
8
SDI
CS
AD5260BRUZ50
5
6
7
8
IC10
BA12FP
EP1091
MMZ1608Y102BT
2
1
O
I
G
R1077
100
C1073
0.0047
R1061
22
Q1012
D TC114EU
C6110
Q1061
2SC4081
0.1
C1063
R1064
0.1
47
Q101 3
D TC114EU
R1072
C1071
0.0047
39
Q1101
2SC4097
R1101
220
R2016
OCS
1K
ODAT
OCK
R2017
OSS2
R2018
1K
OSS1
1K
I C1092
4
3
2
1
EP1070
M PZ1608S221A
+15V
TC7W04F
EP1069
M PZ1608S221A
+8V
OCS
ODAT
OCK
+15V
C1066
10P
REF I/O
1
2
3
4
5
6
7
8
J2016
52808-0871
J2017
4
3
2
1
B04B-EH-S

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