Icom IC-A210 Service Manual page 142

(Amended page)
August 2015
MAIN-B UNIT (1/4)
MAIN-B 4
2NDLO
1st_Lo
1STLO
R233
100
*C377 *C216
0.6V
CV
CP1
HK3-S-T 0.7V
MAIN-B 2
R319
3.3C
0
5C
5C
R216 R217
8C
8C
10k 1k
10C
10C
5C
L56 L57 L51
C1608CB 56N C1608CB
5C
Q62
MCH3914
R220
R223 C222
15
15
33P
Q33
2SC5226A
RX
COMMON
TX
8.3V
0V
R79
0
VCO_OUT
CP12
D36
*C239 L35
C261
C1608CB
Q35 0.001
DAN235E
2SC4215
0V
4.8V
7.5V
4.9V
CP17
IC47
1 16
RSET VP
2 15
CP DVDD
3 14
R237 1k UL
CPGND MUXOUT
4 13
R316 1k Q0
AGND LE
5 12 R317 1k DATA
RFINB DATA
6 11 R318 1k CLK
RFINA CLK
7 10
AVDD CE
8 9
REFIN DGND
ADF4110BRUZ
R248
100
0.7V
Q38
5.1V 2SC4215
8C
TX_VCO
C87 C94 10P L34
C137
135N 56P
0.5P Q5
MCH3914
R103 R106
4.7k 1k
RX_VCO
C98 5P L36
C88 C139
0.5P 110N 39P
Q6
MCH3914
R104 R109
4.7k 330
Q3
2SC4215
MP1
2979
REFADJ
R450 0
8T1
8T2
C274
*R256 C266 15P
Q41
2SC5226A
0.001
0V
7.2V
0V
0.7V
38.4MHz
0.8Vp-p
X2
4 3
VCC OUT
1 2
VCONT GND
CR-860
C384
0.001
*R258
8CL
Q42
L39 2SD2351
10U
REFADJ
PCON
VDD_ADJ
VCO1
L40
0V
10U
2.0V
VCO2
2.0V
0V
R471
470
IC91
IC92
1 8
OUT VDD 5
2 7 3
CS GND
3 6 4
DIN REF
4 5 1
SCLK FB
2
MAX5304EUA TA75S01F
R465
0
IC78
1 20
NC GND
2 19
TUNE1
AO3 AO2
3 18 SP_CNTL
AO4 AO1
4 17 DATA
AO5 DI
5 16 CLK
AO6 CLK
6 15
AO7 LD
7 14
AO8 NC
8 13
AO9 AO12
9 12
AO10 AO11
10 11
VDD VCC
Q2
BH2221FV
Q68
DTB113ZK
IC94
1 8
2 7
3 6
4 5
NJM2904CRB1
Q53
DTC144EU
D82
L1SS400
10k
R492
32
TX_OUT
MAIN-B 4
TUNE1
TUNE1
MAIN-B 3
AM_MOD
AM_MOD
LVC
UL
ID_ADJ
8T1
8T1
8T2
8T2
VCO1
VCO1
VCO2
VCO2
Q0
Q0
Q2
Q2
Q3
Q3
MAIN-B 2
PCON
PCON
VDD_ADJ
VDD_ADJ
SP_CNTL
SP_CNTL
ULO
AM_DEP
AM_DEP
CLK
CLK
DATA
DATA
SEND
*Refer to "PARTS LIST."