Icom IC-A210 Service Manual page 92

(Amended page)
July 2019
• MAIN UNIT 2/2 (for IC-A210 and IC-A210E except #03)
MAIN UNIT
A
B
5C
C
D
IC48
1 VSS 20
VDD
2 NC 19
OE
3 DATA 18
DATA
SO
CLK 4 CLOCK 17
Q11
5 LCK 16 ANL
Q10
TX 6 Q0 15 ICNTL
Q9
7 Q1 14
RX MM
Q8
SEND 8 Q2 13 FIL2
Q7
VCO1 9 Q3 12 FIL1
Q6
VCO2 10 Q4 11 AM/FM
Q5
RX: 0 V BU2099FV
TX: 8.0 V Q46
DTC144EU
E
CP14 R8
CP15S
IC49
1 Q4 16
VDD
Q2 2 Q2 15 Q3
Q3
Q0 3 Q0 14
Q1
4 Q7 13 B
B
RX: 8.1 V 5 Q9 12 C
C
6 Q5 11
D
TX: 0 V 7 Q6 10 A
A
8 VSS 9
Q8
5C CD4028BNSR
RX: 0 V
TX: 8.0 V
DATA
IC78
1 24 R387
SP_CNTL VIN1 VIN8
2 23 0
VOUT1 VOUT8
TUNE1 3 22
VOUT2 VOUT7 CP18
4 21 0
VIN2 VIN7 CP10S
5 20
VDD GND R388
6 19
LD RESET
7 18
Q54 CLK VDAREF C383
8 17
DTC144EU DI DO
AM_MOD 9 16 0.1
BPOUT
VIN3 VIN6
AM_DEPTH 10 15 BEEP
VOUT3 VOUT6
11 14 VDD_ADJ
VOUT4 VOUT5
12 13
VIN4 VIN5
R382
M62364FP
0
5
R389
4
47
IC79
2
TA75S01F
RX: 8.0 V
TX: 0 V
R79
1st_Lo
0
R233 VCO_OUT
CP12
100 CP15S
D36
47N
L35
C239*
C261 R256
C377 C216
Q35 0.001 100
2SC4215 DAN235E
33P 100P
5C
F C399
RX: 0 V 0.1
RX: 4.7 V
R434
RX: 0.7 V TX: 5.2 V TX: 7.5 V
100K
TX: 0.7 V
5
3
4
1
IC36 2
CV
TA75S01F
CP1
HK3-S-T
C252 R401
2.7K
0.001
CP17
IC47
1 RSET
VP 16
R216 R217
2 CP 15
DVDD
3 CPGND 14 R237 1K UL
10K 1K MUXOUT
4 AGND 13 R316 1K Q0 X2
LE
5 RFINB
DATA 12 R317 1K DATA 4 VCC
6 RFINA 11 R318 1K CLK 1 VCONT
CLK GND
7 AVDD 10
CE
8 REFIN 9 CR-860
DGND
ADF4110BRUZ
R248
5C
L51 100
220N
R258
1.5K
Q38
2SC4215
5.0 V
0.7 V
G
8C
H
8CL
TX_VCO
C87 C94 L34 C137
0.5P 10P 135N 39P
Q5 L39
10U
D21
I KV1770S
L56 L57
2SK508
R106
47N 56N R103
680
4.7K
RX_VCO
C88 L36 C139 D22
C98 5P
KV1770S
0.5P Q6 110N 18P
L40
2SK508
10U
R220 R223 C222
Q3
2SC4215
15 15 33P R109
R104
Q33 4.7K 220
2SC4226
MP1
2979
J
10C
CP6
CP15S
10C
J2
B6B-PH-SM4-TB
1
8T1
2
8T2
3
PCON
4
5
6
16V
CP7
CP15S
16V
To FRONT UNIT
J7
22FLT-SM2-TB (LF) (SN) (M)
1 2
REG_C2
3 4
PTT1_O
5 6
REM_O
7 8
INCOM_O
9 10
RXD_O
11 12
TXD_O
13 14
BPOUT
15 16
PON
17 18
19 20
21 22
C
A
B
DATA
CLK
UL
CLK VOX1
VOX2
RSSI
Q53
NOISE
DTC144EU
R377
1K
R438
100K
5
3
4
1
IC82
2
TA75S01F
3
1
PCON
8T1
J8
TMP-S01X-C1
C274
TX_OUT
C266 15P
from PA UNIT
0.001 Q41
2SC4226
RX: 0 V
RX: 0 V
TX: 7.2 V
TX: 0.8 V
OUT 3
2
C384
0.001
Q42
2SD2351
Explanatory notes
TX Line
RX Line
Voltage Line (16V)
Voltage Line (10V)
VCO1
Voltage Line (8V)
RX: 0.1 V Voltage Line (5V)
TX: 2.9 V
VCO2
RX: 2.9 V
TX: 0.1 V
The underlined parts have been updated from the previous version of the addendum, or the original pages
R19
ERZV14D470
F1 0451008.MRL
12
R17
R16 0
R15
3.3K
3.3K
D1
MA2S111
3.3K
D2
MA2S111
R8
D3
REM SWAP
MA2S111
15K
D4
MA2S111
XMIT INT LOCK R9
R10
MEM
MONI
To ANTENNA CONNECTOR
(J1; CHASSIS)
CP2
HK3 (HOLE)
J7
R12
100
R13
100
HSJ1650-010720
CP1 ANT
To ANTENNA CONNECTOR
HK3(HOLE)
(J1: CHASSIS)
CP2
ANT GND
SHIELD
F1
0451008.MRL
12
R10
ERZV14D470
1 POWER+
9 POWER GROUND
2
10
RXD R2 1K
3 TXD R3 1K
11 GROUND
4 TXKEY R4 0
12 INTERCOM SELECT R5 0
5 AUX IN
13 AUDIO GROUND
6
SPEAKER R6 0
14
HEADPHONE R7 0
7
MIC GROUND
15 MIC2 R8 0
8 MIC1 R9 0
R11 1K
J5
DALC-J15PAF-11L9-E
MB-113
(Except [USA-02], [EUR-02])
9-3g
J3
DC IN
1
2
GND
B2P-VH
R18
0
J4
B13B-PH-SM4-TB
RXD
1
TXD
2
SGND
3
PTT
4
0 INCOM
5
AGND
6
SP
7
0 HP
8
R14 0 MGND
9
MIC2
10
MIC1
R2 11
A UX IN
12
REM
13
R1
R3
Explanatory notes
TX Line
RX Line
1K
100K
J6
L1
From PA UNIT
(J503)
LA-252
SJ070010
K-CONNECT
From PA UNIT
(J503)
J2
T MP-S01X-C 1
J6
DC IN
1
2
GND
S2P-VH
J4
B13B-PH-SM4-TB
1 RXD
2 TX D
3 SGND
4 PTT
5 INCOM
6 AGND
7
SP
8
HP
9
MGND
10 MIC2
11 MIC1
12 AUX IN
13 REM
.