Icom IC-A210 Service Manual page 91

(Amended page)
July 2019
• MAIN UNIT 1/2 (for IC-A210 and IC-A210E except #03)
J9
B13B-PH-SM4-TB
RXD_I
1
TXD_I
2
3 PTT1_I
4
INCOM_I
5
6
7
8
9
10
11
12
13
REM_I
MODV
CP2
HK3-S-T
J1
MODV
1
2
B2P-VH
RXD_I R1
1K
R2
TXD_I
1K
INCOM_I R3
1K
R4
REM_I
1K
R5
PTT1_I
1K
R397
470K
R398
470K
Squelch OPEN : 5.0 V
R399
RX
Squelch CLOSE: 0 V 100K
TX 0 V
Q61
DTC144EU
Squelch OPEN : 0.1 V
RX
Squelch CLOSE: 4.6 V
TX 0.1 V
Wide Mode Narrow Mode
RX: 5.1 V
A 8.1 V
TX: 0 V
RX: 5.1 V
B 8.1 V MAIN UNIT
TX: 0 V
RX: 5.1 V
C 8.1 V
TX: 0.1 V
RX: 5.1 V
8.1 V
D
TX: 0.1 V
E 4.1 V 0 V
F 4.0 V 0 V
0 V 4.0V
G
H 0 V 4.1 V
4.0 V
RX IN
J3
TMP-J01X-V6
C354 C355
C2 82P 82P C3 D2
0.001 0.001 1SV271
D1
L63 L64 D3
C2012C 68NG
1SV271 1SV271
C2012C 68NG
Explanatory notes
TX Line
RX Line
Voltage Line (16V)
Voltage Line (10V)
Voltage Line (8V)
Voltage Line (5V)
9.7 V
Q11
2SJ402
FI1
J10 BNX-002
B2P-VH 1 3 39.2 V C72 R76
B PSG D12
+B 2 CB 4
1 CG 1 3.3K
2
DAM1MA33
R32 R71
TO REAR
0 68K
D26
SP DF10SC6
HP
MIC2
MIC1
AUX_IN
MODV
RL1
AHY107
RX: 0.1 V
TX: 10.3 V RX: 0.7 V
SP
TX: 0 V
RXD_O R425
Q9
10K
2SD2351
TXD_O
SP_CNTL
24.6 V
INCOM_O 23.3 V IC54
TA78L24F
R303 R51
I
O
1.2K 1.2K
G
R304 R302
REM_O
1.2K 1.2K
PTT1_O
IC6
8.1 V
BA08FP
O I
G
IC4
C47 TDA7233D
T4 100/16V
HP 5 OUTPUT
+VS
6 SVR 4
R15 GND
7 -INPUT 3
MUTE
8 +INPUT 2
10 GND
ST-82
1
R282
Q58
2SC4116
0
Q59
RSR025N03
Q60
RSR025N03
8.1 V
R12
8C
100
5C
MM
L5 C34 R20 2.2K C55
MIC1
0.82U 1
1
R55 C78
IC 2
1K 1
M61545AFP
L6 C54
C35 R21 2.2K 8
MIC2 1 VIN1
VIN2 R56
2 VOUT1 7
0.82U 1 VOUT2
1 6
3 GND
VCC 1K
8.1 V 4 DATA 5
CLOCK
R312
0
R40
1K
8
IC3
V+
GND NJM2904V
4
R47
820K
6
7
C58
5 D16
IC3
DAN217
0.01 NJM2904V
R48
820K
2
1
C59
3
IC3 D17
0.01 NJM2904V
DAN217
R416
R420
AGC1
10K
CP8 C392
CP15S
0.1
RF_AGC
R44 RX: 8.1 V
R16 RX: 2.7 V
47
0 TX: 0.0 V TX: 0 V
4
C20 L3 C31 C38 L9 C57
1 3
5P 1.5U 5P 5P 1.5U 5P
IC69 D14
2
D13 1SV242
ERA-50SM
*L8
*L2 *L4
RX: 4.0 V
1SV242
*L10
TX: 0 V
85nH 85nH 85nH
85nH
BPV
CP5
HK3-S-T
R390
0
R363
R341 R342
0 AM Mode: 11.2 V
100K 100K
R374
FM Mode: 0 V
0
R375
AM Mode: 0 V
0
R376 IC52
FM Mode: 1.2 V
NJM2904V
0
Q48
R394
XP1214
R25
33K
R24
100K 4
4.7K
5
The underlined parts have been updated from the previous version of the addendum, or the original pages
2SD23541
R357
10C
10 Q51
IC5 IC25
IC16
LM2587
R358 NJM2137M 1
2
1 8
3.3K 3
2 7
4
3 6
C111*
4 5
NJM2137M
R291
R105
R91 15K
10K
4.9 V
L18 L19 L21
L16 7B12HA-680M 7B12HA-680M 7B12HA-680M
ZBFS5105
L17
ZBFS5105
C60
Q12
3.3
DTC144EU
R269
IC17 Q15
HIP4081AIBZ 2SK2414
10
4.8 V 1 20
BHB BHO
2 19
BHI BHS
3 18
DIS BLO Q16
4 17
VSS BLS R270 2SK2414
5 16
BLI VDD
6 15
ALI VCC 10
7 14
AHI ALS
FI2
8 13
HDEL ALO
9 12 ACF321825
LDEL AHS
10 11
AHB AHO
10C
10.3 V
10C
IC14
M61545AFP
1 8
VIN1 VIN2 Intercom function ON : 0 V
R294 C93 2
7
VOUT1 VOUT2 R102
3 6
2.2K 0.47 GND VCC Intercom function OFF: 5.0 V
4
5
DATA CLOCK 2.2K
IC76 9.7 V
TA75S01F
5 R359 C362
3
C293 4
33K R9 1 C255
1
0.47
2 47K 1
R293
C356 100P
4.7K
R360 100K
5C
IC13
BA3308F
NC OUT2
8 7
IN2 NC
9 6
IC26
NF2 VCC
10 5 TC4W53FU
NF1 ALC IC22
4 8
11
NC NC C107 R97 5 TA75S01 F
12 3 3 7
INI GND R120
2 4 6
13
NC OUT1 1 100K
14 1 1 5
0
2
R112
RX: 0 V
100K
TX: 4.8 V
ANL function ON : 0.1 V
ANL function OFF: 5.0 V
8C
R7
0
AGC3
CP10
0 R414
0
IC81
NJM2902V
R404
R403 1 14
2 13
0
0 3 12
4 11
R421 D53
5 10
R405 6 9
4.7K
1SS355
7 8
4.7K
R411
R415 27K
DET
CP9
100
CP15S
L52 L53
R62
Q55
47N 47N
DTC144EU
22 R70 1st_Lo
0
18
8.1 V
33P
R54
C64
R59 FI3
Q45 C68
0 R440 0.001 FL-306
RX: 7.3 V
150 L12
IC68 2SC3357 D19 C2012C
1 4
1 6 TX: 0 V IN GND
GND LO L49
2 5 3 2
HVU131 1U GND OUT
IF GND
3 4 1.5U
RF GND
JMS-1+
R61 C74
0 0.001
A
RX: 2.7 V
FI4
FL-307
TX: 0 V
L13
D20
C2012C-R68J L50
1 4
IN GND C2012C-R56J
3 2
HVU131 GND OUT
TUNE
C
CP11
HK3-S-T
D
R305
0
3
2
1
9-2g
4.4 V
R329 IC80
10K 1 5
2
3 4
R289
8 L2 4
100K TC4S66F
7
6 7E08N-330M
5
IC71
1 5
2
R159 R155
3 4
100K
82K L26 12K
TC4S66F
4.5 V
7E08N-330M
5C
4.2 V
4.8 V
40C
IC74
5
1
2
4
3
R354
TC7S08F IC75
BD9001F
150K
5 EN INV C343
4
FB
6 RT
3
7 GND NC 0.0047 L67
2
SW
8 VIN
1
7E05NA
16.0 V
C131
1
C397
R141
C132* 100K 0.1
C360 R331 R368
0.1 100K 100K
IC8
NJM2902V
1 14
2 13
3 12
R431
4 11
5 10
0
R370
6 9
7 8
15K
C177
0.0018
C238 C393
1 0.01
IC67
1 5 R427
2
R322 R113 27K
3 4 R95 R114
0 3.3K 33K 33K
TC4S66F
8C
2.4 V
IC9
1 8
GND V+
2 7
SDI OE
3 6
SCK CLK
R78 4 5
IC7
SEN/ADR* CLK
1 8
C162 AGND VOUT 0
1 2 7
LTC6904IMS8
V+ V-
2 3 6
1 R131 NC NC R144
3 4 5
VIN CLK
4
1K 100
LTC1069
AM Mode: 3.4 V
FM Mode: 0.1 V
5C
5.0 V
C81* 2.0 V
IC32
IC70 5 4
R279
C157 R156
5 1 6 3
2 7 2 R186
0.1 4.7K 0
D29
4 3 8 1
DB2S31400 68K
TC4W53FU
TC4S66F
5
R178 3
R191 R196
4
10K
1
39K
3.3K
IC37
2
TA75S01F
8C
R189
Q21 C175
2SC4211
56K
R173 R175 0.01 C186
AM_DET_OUT
7.9 V Q24
15K 0 0.01
2SC4215
(Y)
R193
0.9 V
10K
AM Mode: 0.9 V
FM Mode: 0 V
FM_DET_OUT R177 C169
0 1
CP15S
R356
CP16 Q50
100K
AGC_oUT 2SC4116
D27
HVU131
B
CP13
CP15S
RSSI
AFOUT
9
QUAD
10
IFOUT
11
RSSI
RSSI
FIL1 12
N-DET
D28 AGC2 13
(20K) NOISE
N-REC
CP15 14
GND
HVU131 15
MIXIN
16
FIL2
(9K)
C155 Q20
3SK195
18P
R8
D52
RB876W
TUNE1
AM/FM
2.8 V
.
5.0 V
10.5 V
8.1 V
8C 5C
CP4
IC42 IC44
CP15S
BA08FP TA78M05F
L25
7E08N-330M
10C 8C 5C
I O I O
G
G
A
B
5C
C
D
S1
NANOSMDC016F
8C
E
R429
33K
C396
0.01
C394
0.01
8C
5C
F
5
3
4
R198
1
IC38
39K 2
TA75S01F
2.0 V
4.9 V
2.7 V
8.1 V
Q25
R204 C201
2SC4215
(Y)
2.2K 0.1 R211 C212
Q26
C196 R207 C206 100 0.01
2SC4215
0.1
(Y)
10K 0.1 2.2 V
2.0 V
G
H
8C
E
5C
I
H
R188
C179
0.0047 5.6K
IC45
C193
TC4W53FU
IC39 F FI5
120P
5 4
TA31136FNG CFWKA450KEFA
C289
6 3
FILIN C194 I O
8 7 2
FILOUT 0.01 C290
7 8 1
DEC 120 P 0.01
6
IC43
IFIN
5 TC4W53FU
VCC C202
4 1 8
FI6
MIXOUT
3 2 7 CFWKA450KHFA
OSCOUT 0.01
2 3 6
OSCIN R194 I O
1 4 5
1K C291 C292
0.01
0.01
R213
10K
G
7.7 V 2nd_Lo
J