Ic-M802; Main Unit (1) - Icom IC-M802 Service Manual

11-2 IC-M802

11-2-1 MAIN UNIT (1)

MAIN UNIT(1)
J301
from PLL M2LO
unit J5201
J601
L1 L2 C7
from PLL M1LO
0.18 0.27 0.1
unit J5601
R1 C2 C4
J1
IC1
39 82p 22p
YGR PC2709T
from PA
unit J6702
J51
MRX
from FILTER
board J7321
R61
10k
R59
1k
Q51
2SC4213
TX: 4.96V
J1301
TRXS TRXS
unselected
S13L
band 10.7V
L22M
L16M
L12M
L8M
L6M
L4M
to FILTER
L2M
board J7331
L1M
GND
GND
REF
GND
FOR FOR
GND
B7
B6
B5
B4
B3
B2
B1
B0
S13V
L1907
J1451
HF50ACC322513-B
SPO AFO
SP
SPE
J1901
PON L1901 100 PWRS
HV
HV
FANC L1902 100 FANS
S13 L1906 LR-270
S13
S13
13.41V
S13
S13
KEYS R1903 1k KEYC
to PA
STAT R1901 4.7 STAS
unit J6701
ANTC
ICV R1902 1k
GND
GND
GND
GND
GND
THRM L1905 100 TEMP
T8V L1903 100
L2054
100
FAFG
RXD
J2051
L1908
HF50ACC322513-B
8 7 6
TXD
5 4 3 L2051 100
CONTROLLER
2 1
L2053
100
FMOD
L2052
100
FMODG
J4503
J2101
DSC ANT
DSC ANT
R4
68
8V
D101
5.69V MA80WK
C9 R5 C10
6
0.1 18 0.1
4 1
B0
5 3 2
R8 L102
470 4.7
L52 R54
82 560
D53
MA80WK
C65
C54 C56 C59 C62
0.1
0.1 0.0022 0.0012 0.0022
B1
D102
L104
MA80WK
2.2
R8
R102
220
B2
S13V
L106 L121
1.5 1.5
IC1301
C121
TD62783AF
100p
R1301 10 18 1 L7S
01 IN1
R1302 10 17 2 L6S
02 IN2
R1303 10 16 3 L5S
03 IN3
R1304 10 15 4 L4S
04 IN4
R1305 10 14 5 L3S B3
05 IN5
R1306 10 13 6 L2S
D103
06 IN6
L108
R1307 10 12 7 L1S MA80WK
07 IN7 1.0
R1308 10 11 8 L0S
08 IN8
10 9
GND VS
unselected band
4.92V
IC1302
R104
TD62783AF
R1318 220
10 9 B4
4.7
GND VS
11 8 B7S
08 IN8
L110 L123
12 7 B6S
07 IN7 0.82 0.68
13 6 B5S
06 IN6
14 5 B4S
05 IN5
C123
15 4 B3S
04 IN4 39p
16 3 B2S
03 IN3
17 2 B1S
02 IN2
18 1 B0S
01 IN1
B5
R8
unselected
band 11.76V
L1301
330
13.36V
IC1303
TD62783AF
10 9
GND VS
11 8 B8S
08 IN8
12 7
07 IN7
13 6
06 IN6
CSEND 14 5 CSEN
05 IN5
DBPN 15 4 DBP4
04 IN4
DBPM 16 3 DBP3
03 IN3
DBPH 17 2 DBP2
02 IN2
DBPL 18 1 DBP1
01 IN1
ICA
-5V
IC2001
BU4053BCFV
C2001 4.7
DSMD 1 16
Y1 VDD
2 15
C2002 4.7 Y0 Y
3 14
Z1 X
4 13
Z X1
5 12
W2001 Z0 X0
DSMDE 6 11
INH A
7 10
VEE B
8 9
VSS C
C2004
4.7
FAF
R2003
5.6k
HV13
T8
8V
D106 D104
L101 L118 C127 L112
MA80WK MA80WK
5.6 4.7 0.047 0.68
C119 R109
270p 220
B6
L119 C129 C155
3.3 0.0027 0.0015
L114 L125
0.47 0.39
C120
200p
C125
22p
B7
D107
L120 C131 C169
MA80WK
2.2 0.0015 0.001
D105 L116 L126
MA77 0.33 0.27
C132
120p
C126
18p
B8
C144 C171
120p 470p
R8
R13V
C145
S13V
560p
D108
L122 C146 C173
MA80WK
1.0 470p 330p
L701
LR-317
C122 R719
56p 100
C136 C160
TX: 6.66V
270p 220p
R8
REF
S13V
-5V
5V
R13V TX: 12.88V
RX: 13.29V
R1502 Q1501
4.7 2SD1619
IC1502
TX: 0.05V
TA78M08F
RX: 4.86V
O I
G TXS
Q1503
DTC114EU
TX: 13.13V
RX: 13.00V
IC1501
R1501 R1503 Q1502
TA78L05F
22 4.7 2SD1619
O I
G
TX: 13.20V
RX: 13.35V
11.22V
Q1504
DTC114EU
A
TX: 4.86V
RX: 0.05V
L1552 R1553
1m 47
EMS
NMS
MMS
IC1551
PC1555G2
D1552
1 8
L1551 R1551
MA742 GND VCC
C1555
1m 47 2 7
47 TRG DISCHARGE
3 6
OUT VTH
4 5
RESET VCONT
DSC ANT
HV13
T8
D109
L124 C138 C162
MA80WK
D201
0.47 270p 180p
L202
MA80WK
C201
0.27
0.1
C124
47p
C203
22p
C140 C164
180p 150p
R13V
R8
L601 R601
10 47
C142 C166 D110
150p 100p MA77
C602
0.0047
Q601
2SC4673
POCV
L704 L705
100 100
R710
Q701
3SK131 220
R706 L702 L703 C705
100 1.0 0.68 0.1
Q702
3SK131
C707 C710
6p 18p
MESUREMENT CONDITIONS
frequency: 12.29 MHz
mode: J3E(USB)
* ANT(RX): no input
Q703
(TX): no modulation
3SK131
Digital tester
unit: V
range: 20V
input impedance: 10M
no specification: voltage at RX
REF
S13V
-5V
5V
8V
T8
RXS
TX: 7.89V
e-mail H3E
C1604
selected 4.96V
470
D1501
Q1601
C1619
MA742
DTC114EU
0.047
C1607 R1602
C1601
5 10 1k
470 1
7.88V AFO 4
2
3
IC1601
LA4425A
C1611
D1502
W1601 1
MA742 FAF
RL2101
AHY103
Q2101
DTC114EU
C2101 R2101
10p 22k
HV13
T8
11 - 2
BUS LINE1
2.77V
5.63V
Q201
R204 470
2SK2171
a
L203 L204
0.27 LR-403 C209 0.1
L206
11.88V 0.1
C210 0.1
C205
8p
R207
470
R205 470
b
Q202
L205 R203
2SK2171
100 22
c
R8
d
L603 C612 R607
2.2 27p 1k e
POCV
C604 L604 L605
0.001 0.33 0.22
D602
MA80WK
C607 C609
1p 6p
TX: 7.44V
MAIN
UNIT
(2)
TX: 0.44V
L706
LS-483A
R715 C717
18 0.001
R713 C718
18 0.001
L707
LR-317
REF
S13V
-5V
5V
8V
T8
RXS
IC1602
TC4W53FU
f
5 4
6 3
7 2
C1609
1
8 1
g
C2107 C2104
0.1 0.1
Q2102
2SC4116
HV13
BUS LINE2