Icom IC-A210 Service Manual

8-1g
The underlined parts have been updated from the previous version of the addendum, or the original pages.
(Amended page)
July 2019
SECTION 8 BLOCK DIAGRAM
LPF
ANT
SW
ATTBPF
RF
AMP
BPF
BPF
XTAL
IF
AMP
IF
AMP
IF
AMP
IF
AMP
BPF
CERAMIC
ANT
RF
SW
RF
SW
RF
SW
RF
SW
RF
SW
BPF
CERAMIC
RF
SW
BPF
XTAL
AM
DET
PWR
AMP
DRIVE
PRE
DRIVE
PRE
PRE
AMP
PWR
DET
APC
AMP
APC
CTRL
TX/RX
SW
BUFF
BUFF
TX_VCO
RX VCO
PLL
IC FIL
LOOP
VCO
SW
FIL
RIPPLE
1
2
REVERSE
CONNECT
PROTECT
+5
REG
+8
REG
AF
AMP
HPFLPF
SP
MC1
LPF
MC2
ALC
AMP
+8
REG
VCO
SW
1
COM
2
A
3
B
4
COM
5
A
6
B
7
8
S2
S3
S4
S5
S6
1
2
3
4
5
6
7
GATE
CTRL
LEVEL
CONV
RESET
+3
REG
+5
REG
BUFF
BUFF
BUFF
BUFF
HEAT
SENS
SEND
SW
BUFF
BUFF
LINE
FILTER
AF
POWER
AMP
FET
DRIVER
PWM
MOD
POWER
SW
TRIANGLE
OSC
LINE
FILTER
T8
SW
R8
SW
ANL
SW
MOD/AF
TCXO
E-VOL
IMP
CONV
HP
5V
8V
CPU
RF
IF
AGC_3
AGC
ANL
SW
IC48
AM/FM
SW
2ndIF
E-VOL
IC
VOX
AMP
IC
DET
D1~D3
D502~D504
D10, D11
IC69 D13, D14
IC68
1st MIX
D19FI3
FI4
D27
D28
Q20IC39
1st IF=38.85 MHz
IC43FI5
FI6
IC45
Q26Q25Q24
Q21
IC81
IC81
D29
IC70
IC32 IC38
IC26
IC2 IC13 IC22 IC8
IC14
IC4
T4
IC6
IC3 D16, D17
PA UNIT (other Ver.)
Q500 Q501 Q504
D36
D500, D501
SP OUT
CTRL
D18
Q41
Q35 Q33
IC47
Q5, D21
Q2
X2
HP
AMP
IC25, IC71, IC80
IC17
Q15, Q16
Q38
Q3
Q42
8V
DATA-CLK UL
BCD/Deci
DECODER
Seri/
Para
DRIVER
10V
REG
D12
Q11
IC31
IC16
EC
DUAL
MEM
RCL
SWAP
WAVE
LE
AUX
D/A
CONV
IC78
UL
SW
8T2
8T1 R8
DATA-CLK PCON TUNE1
RX TX Q1 SEND VCO2 VCO1 FIL2 FIL1 AUX BPF1 BPF2 DATA-CLK
PCON
AM/FM
FIL1
FIL1 FIL2
AM/FM
AM/FM
VCO2 VCO1
TUNE1
ANL
ANL
ANL
Q0
SP_CTRL
SP_CTRL
Q0 LE
IC49
Q1 Q2 Q3
Q3
Q2
Q1
A
B
AM/FM
RX TX
SEND
Q32Q30Q29
A
B
+16
TEMP
SENSOR
EEP
ROM
SHIFT
CLK
LIGHT
SENSOR
LED
DRIVE
CTRL
LED
DRIVER
BEEP
LEVEL
ADJ
DATA
CTRL
CLK
DATA-CLK
EL
IC6~IC8
IC3
R29
IC8, IC11, IC12
Q4, Q5
IC15
D3
IC9, IC13
IC9, D2
IC17
RS232
DRIVER
IC10
Q6
9.8304 MHz
X1
IC5
DS1~DS10
MAIN UNIT
FRONT UNIT
IC4
VOLUME UNIT
DATA-CLK
IC48
TX&RX=118.0~136.975 MHz (Ch Spacing 25 kHz)
2nd IF=450 kHz
IC52
AM/FM
SW
D20
IC81
IF
AGC_2
IC7
C
REG_C2
C
+16
REG
16V
REG_C2
IC75
IC76
IC9
BEEP
AM_MOD
AM_MOD AM_DEPTH
AM_DEPTH
SW
MM
IC8
Q58~Q60
BPOUT VDD_ADJ
VDD_ADJ
BPOUT
IC42
IC44
REG
IC5
IC2 IC16
IC501
Q502,Q503
PROTECT
PROTECT
SW
Q53
Q45
+B
Q505, Q506
Q62
IC500
IC500, IC502
PA-EUR UNIT (#03, 23)
#01, 02, 03, 05,
11, 23, 25 Only
#01, 02, 03, 05,
11, 23, 25 Only
TX&RX=118.0~136.992 MHz (Ch Spacing 8.33 kHz)
other Ver.
#03,23
38.400 MHz
#03 Only
D60~D67
#03 Only
D68~D75
other Ver.
other Ver.
#03 Only
other Ver.
Q5, D56, D57
#03 Only
Q6, D58, D59
other Ver.
Q6, D22
#03 Only
other Ver.
Q9
RL1
RX LINE
TX LINE
COMMON LINE
Voltage Line (8V)
Voltage Line (5V)
Voltage Line (16 V)
Explanatory notes

Icom IC-A210 Specifications

General

Brand	Icom
Model	IC-A210
Category	Transceiver
Language	English