Icom IC-M710RT Service Manual page 67

J4
to
TERMINAL
board
P1
S1
P1 J5
W5
W6
P1 J6
W14 GND 0.3 sec
W15
W16 +5
3.7 Vp-p
W17 R1O
W18 T1I Q10
2SC4116-GR
W19 RXPC
to X1
W20 FPON
MAIN R32 CR-508
W21 DTRM
unit 1.2k (5.0688 MHz)
J16 W22 GRST
W23 A3DO
W24 GULO
CP1
W25 A4DO
W26 RXDO
W27 TXDO
1 48
NC NC
2 47
RX: NC NC
3 46
NC P2
4 45
0.8 Vp-p DC 1.6 V SWI ABF
5 V 5 44
DI1
P1I
TXDO R76 1k 6 43
DI2 P2I
POWER RXDO R77 1k 7 42
DAR1 VDD
LED 8 41
DAR2 IC1 GND
D11 9 40
GND SC-1288 HED
DA221 10 39
VDD D9
3.3 V GRST 11 SIGI 38 DAN202K
R78 1k CLR
SIGO
Q11 GULD R79 1k 12 37
2SA1586-GR ULO SIGO1
R39 1k 13 36
CHI1 REVR
3.0 V 14 35
DIC1 NC
15 34 D10
NC NC
2.7 V 16 33 DAN202K
NC NC
IC5
TA75S01F R48
5 IC4
1 56k
+ 4 NJM311M-TE3
3
R45 - 1 8
GND V+
39k 2 2 7
+IN OUT W3
3 6
-IN BAL/STB
4 5
V- BAL
R38
RX: 1k
A4DO
0.4 Vp-p DC 0.8 V
RX: R37
1k
A3DO
0.4 Vp-p DC 0.8 V
R86
100
IC8 IC9
TC7W74FU TC7W74FU
1 8 1 8
CK VCC CK VCC
2 7 2 7
D PR D PR
3 6 3 6
Q CLR Q CLR
4 5 4 5
GND Q GND
Q
R70 IC7
NJM2902V-TE1
22k
P2 J7
W10 AFG2
R87
to W11 AFGE
MAIN CP2
W12 MODE C40 C38 C36 5
unit R67 R65 R61 R59 R55 R53 R51
R69 C42 0.022 0.001 0.001
J23 W13 MOD 12k 18k 68k 47k 100k 33k 2.7k 1
R88 15k 0.47 IC7b IC7c IC7d 4
R84 IC7a 10 2
4 5 10 12
680 2 7 + 8 + 14 +
1 - 6 9 13
3 - - - 3
+
D12 R81 R68 R66 R62 R60 R56 R54 R52 IC5
11 1.9 V 1SS355 27k 56k 100k 2.2M 470k 2.2M 270k 22k
TC4S81F
R82
220k
1.9 V
RX:
0.6 Vp-p DC 1.9 V
LEFT SIDE
10 - 2
J7
GND
GND
L45
PFSK
10 H
8V 8V
STB2 R140 1k STB2
STB1 R141 1k STB1
CON2 R142 1k CON2
to
CON1 R143 1k CON1
MAIN CON0 R144 1k CON0
unit
DRST R145 1k DRST
J9
STB3 R146 1k STB3
J1 DATA R147 1k DATA
SG (GND) 5
CK R148 1k CK
CI (RI) 9
13.6
4 L42
IC3 ER (DTR) 13.6
C13 DS14C232TM EXC-ELDR25C
CS (CTS) 8 13.6
10
1 16 SD (TXD) 3 R10
C1+ VCC
2 15 RS (RTS) 7 22
V+ GND
3 14 RD (RXD) 2
C1- T1O
Q9 4 13 DB (DSB) 6
2SC4116-GR C2+ R1I
R29 R27 5 12 CD (DCO) 1
47k 47k C2- R1O
6 11 A1 A2
C14 V- T1I 11.8 V IC3 5.3 V
10 7 10 TA7805F
T2O T2I
8 9 1 2
T2I R2O I O
G
3
R71
10
Q1
D1 2SC4116-GR
DA221
L2
0.33 H J1
IC8
J2 TC7SU04F
Q5 PFSK 5
2SA1586-GR 4 2
R121
2k 3
R72
10
R123
2k
IC2
HD26C32AFP
R125
1 16 Q2 J2 P2 2k
INA1 VCC D2 2SC4116-GR
2 15 W2
ONA2 INB1 DA221 L3
3 14 W1
OUTA INB2 0.33 H
4 13 W3 R127
ENABLE OUTB
5 12 W4 2k
OUTC ENABLE
6 11
12
INC2 OUTD VSS
7 10 13
INC1 IND2 R129 DA0
8 9 Q6 14
GND IND1 2k 15 DA1
2SA1586-GR DA2
16
DA3
17
DA4 IC2
R131 18 SC-1287
R73 2k VSS
10 19
DA5
20
DA6
21
R133 DA7
22
2k DA8
Q3
R26 D3 2SC4116-GR
47k DA221 R135
L4
2k
0.33 H
D7 D8
DAN202K DAN202K R137
2k
R25 Q7
1k 2SA1586-GR
R139
2k
R74
10
J3 R53 L40 C129 L38 L37
P3 39 3.3 H 0.0047 10 H 8.2 H
BFO
to
Q4
D4 2SC4116-GR MAIN unit C157
DA221 L5 J5 5p
0.33 H
Q8
2SA1586-GR
MEASUREMENT CONDITIONS
VOLTMETER: 50 k‰/V
OSCILLOSCOPE: 20 MHz PLL UNIT
TX: AG 1.5 kHz 10 mVrms
RX: J3E MODE —60 dBm
CTRL2 BOARD
R86 L21 R87 L16
10k LW-25 22 100 H
R200 1.5k
R199 220
D4
IC5
HVM17
LC7153M
1 24 D5
1SS226 C92 L24
STBI 2 23
0.0047 E554EN
CK R190 1k 3 22 7.6 V
DATA R191 1k 4 21 J5
R72 L46 5 20 R84 L20 C91 C98 R90
2.2k LW-19 100p 1p 4.7k
47k 10 H 6 19
7 18
Q3
8 17
2SK2171
9 16 R80 Q9 C132 5.2 V
C125 56k L11 R96 R94 Q4 5p
10 15 2SC4116 3.7 V
0.001 100 H 2.2k 2.2k 2SC4215
11 14
Q22 C101 Q21
12 13
DTA114EU 2p 2SC4215
Q8 3.0 V
0.9 V
D2 2SC4215
5.4 V
1SS301
0.8 V
UNLOCK: 4.4 V L26
100 H
J4 2.6 V 7.2 V
R18 L12 C46 C50 R61 R60 L28
820 100 H 39p 150p 100k 100 100 H
7.1 V
D15 Q5
HSM88AS 2SK210
C60
Q25
R64 0.0047
2SC4116
120k
C56 5.3 V 7.4 V
D16
10p Q7 4.8 V
HSM88AS Q6 2SC4215
2SC4116
L15 R63
10 H 150 C111
0.0047
4.0 V
1.2 V
4.7 V
L1 R50
10 H 220
L8 R198 R194
4.0 V
10 H 100 1.5k
2.5 V
IC6
L9 R97 R98 TC7SU04F
5
100 H 47k 47k 2 4 Q10
2SC4116
R11 C20
100 0.001 2.0 V
C38 L10 C42 3 2.4 V
0.0047 3.9 H 0.0047
C36
0.0047 R79
C40
5p 1M
4.8 V 5 C43
Q11 0.001
4 2
2SC4215
3 IC4 FI1 R43
TC7SU04F SFECA10.7MA5 2k
0.7 V
R45
DRST 1M
R41
C34 2k
44
VDD 0.0047
43 CK
CON_CLK
42 DATA
DATA 41 STB3 C24 R39
STRB 0.0047 2k
40
VSS
39
VDD
38 C25 51 25
P2 0.0047 VSS VDD
37 52 24 R37
TREE PD2 VDD 2k
36 C63 53 23
P1 0.0047 PD1 TE3
35 54 22
UL PD0 TE2
34 55 21
VSS VSS TE1 R35
56 20
PDTRI VSS 2k
57 19
R89 VSS DA11
58 18
47k VDD DA10
59 17
REFOSC DA9 R33
60 16
C23 RC DA8 2k
61 15
47 FCK DA7
62 14
63 VDD DA6 13
VSS IC1 VDD
C27 64 SC-1246 12 R31
0.0047 Q12MA VSS 2k
65 11
Q4MA DA5
DRST 66 10
VSS DA4
D1 C26 67 9
1SS301 0.0047 VDD DA3
68 8 R29
ETC07 DA2 2k
69 7
ETC06 DA1
70 6
ETC05 DA0
71 5
ETC04 VDD R27
72 4
ETC03 VSS2 2k
73 3
ETC02 VSS
74 2
ETC01 SYSCLKO
75 1
C155 ETC00 VSS R25
9p W11 2k
W10
R23
2k
C30
0.0047
R21
2k
STB2 R176 47k
CON2 R178 47k
CON1 R179 47k
CON0 R180 47k
CK R188 1k R184 47k
DATA R189 1k R183 47k
L41
EXC-ELDR25C
CENTER
P1 TX: 1.5 V
TX: 0.65 V
to J1 R52 C68 C79 R50 C71 C6 R6 L5
12 0.0047 100p 2.2k 33p 0.01 68
R92 L22 J1 MAIN unit PAI EXC-ELDR25C
100 100 H J3 TX: 0.65 V
1LO R10 3.3 13.6 V
Q8 Q1 R9 3.3 Q3
13.6 V
2SC1971 2SC3133 R8 3.3 2SC2904
L1 L4
13.6 V
LR-274 LR-143 C10 0.0068
C15 0.0068
7 V
P1
to C11 0.0068
R81 C16 0.0068
4.7k MAIN unit TX: 0.7 V
J1
R56 R11 3.3
56k Q24
C66 2SC4215 Q2 R12 3.3 Q4
0.001 2SC3133 2SC2904
R13 3.3
13.6 V
R58 C124 C170 L44 L35 L36
27 47p 47p 0.1 H 0.1 H 0.1 H TX: 0.65 V
C29 0.047 L7
L6 R7 TX: 0.65 V
3.4 V C48 0.0047 EXC-ELDR25C
LR-270 68
C28 10000 C27 0.0047
C136 C138
4.2 V
12p 7p 8.2 V Q6
TX: 1.45 V
EP4 EP3 2SD1585K
R23
10 R25
470
R6
100
C10
0.5p
TX: 8 V
2.0 V L4 L5
LS-471A LS-471A TX: 1.3 V TX: 7.4 V
TX: 0.8 V
RX: 0.1 V RX: 8 V
7.4 V
Q2 P2
J3 R36
2SC4215 to
MAIN unit 470
J2 T8 RX: 8 V
J4
2LO THS L23 10 H Q5
HL R19 2SA1037K IC1 Q7
13.6 4.7k R18 TA7808S 2SC1623
to 4.7k 8.2 V
13.6 L16 10 H 2 1
MAIN unit O I
J22 GND IC3 G
PS2701
1.4 V GND 3
GND L20 100 H
ICA L22 100 H
HTP L21 100 H
L14
7.2 V 1.5 V X1 13.6 V
100 H 0.85 V
R1 CR-282
15k 7.6 V
W4 W3
IC4
L2
PS2701
LW-25 S2
Q1
2SC4215
C78
TX: 1.5 V DF30SC4M-4062
0.1
C3 R2 C41 C42 C43 C44 C73 C74 C75 C76
82p PA150W
4.7k 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
L3 BOARD
LS-472C
R3 R103
470
47
EP8 EP7
C2
EP6 EP5
0.0047
0.9 V
F1 W8 W7
HV
J5 P4
W10
13.6 V
HVE
TERMINAL BOARD
J1
P2
P3
to
MAIN unit
J32
MEASUREMENT CONDITION
VOLTMETER: 50 k‰/V
R16 C3 J2
300p PAO P1 J1 RL1 RL2
2.2 AJS1315 AJS1315
L45 L2 L3
0.5 M < 2 MHz FILTER BOARD
to LR-236 LR-226 LR-227
RX: 9.6 V
PA150W
board J2
L10 C3 C9
L9
LR-148 470p C6 180p
LR-83 1SS165
300p (General)
C4 C10 MBD701
470p C7 10p (Marine)
270p
13.6 V
L0
R1 R5 C90
R17 C4 RL3 RL4 22k 22k 470p
2.2 AJS1315 AJS1315
300p L6 L7 L8
2 M < 3 MHz
LR-263 LR-235 LR-236
C50 1000 RX: 9.6 V
C45
C35 1000
0.0047 C20 C33
C34 0.0047
330p C27 120p
C33 0.68
270p
C34 R3 R6 C91
C56 R28 C21 C28 120p 10k 10k 470p
270p
0.0047 68k 330p
C19 470p
C17 30p C29 330p
R32 C22
1M C18 330p C25 470p C30 470p
270p
C117 100p C31 390p
6
7 - C24 470p C32 330p L1
5 C23
+ C26 470p
RL5 270p RL6
IC2b AJS1315 AJS1315
R27 L11 L12 L13 1SS165
3 M < 5 MHz
8.2 V 68k LR-238 LR-235 LR-235 (General)
12.5 V RX: 9.6 V MBD701
IC2 (Marine)
C41
NJM4558M
330p C44
150p
4
2 C47
1 - 3 RL17
+ 100p
AGP2013
0.85 V 8
IC2a
L2
EP6 RL7 RL8
MEASUREMENT CONDITIONS AJS1315 AJS1315
OSCILLOSCOPE: 20 MHz
L16 L17 L18 5 M < 7 MHz
VOLTMETER: 50 k‰/V LR-237 LR-263 LR-263
RX: 9.6 V
W3 C110 C56
DC POWER SOCKET 120p C111 56p Q1
TX: 7.8 V
10p DTC114ES
C57
3 2 1 C53 5p
120p
6 5 4
9 8 7
L3
F1 RX: 13.6 V
RL9 RL10
HV AJS1315 AJS1315
7 M < 10 MHz
W1 W3 HVE L21 L22 L23
LR-241 LR-237 LR-237 RX: 9.6 V
EP3 EP4
C112 C64
82p C62 82p C98 J4
120p 0.01
C114 C99
10p 0.01
L4
W2 W4
F2 RL11 RL12
AJS1315 AJS1315
10 M < 14 MHz
L27 L28 L29
LR-243 LR-242 LR-242 RX: 9.6 V
C113 L42
J2
56p C69 LR-170
100p
C71 C101
68p 18p
L5
RL13 RL14
AJS1315 AJS1315
14 M < 20 MHz
L32 L33 L46
LR-243 LR-242 LR-242 RX: 9.6 V J3
FOR
C121
REF
C78 22p
GND
47p
GND
GND
GND
L7
to
L0
MAIN unit
L6 J19
L6 L1
L4
RL15 RL16
AJS1315 AJS1315 L2
20 M < 30 MHz
L36 L37 L5
LR-262 LR-262 RX: 9.6 V
L3
13.6
T8
C83 C85
22p 47p L38
100 H
MEASUREMENT CONDITIONS
OSCILLOSCOPE: 20 MHz
L7
VOLTMETER: 50 k‰/V
RIGHT SIDE
P1
J1
ANT
P2
to
MAIN unit
J2