Ant-Sw Unit; Filter Unit - Icom IC-7800 Service Manual Addendum

11-24 ANT-SW UNIT

ANT-SW UNIT
W1
J1
L2
from/to CTRL TX/RX-A signal
board J301
LA-253
C2
C1 R1
10p SRYH-350L
22p
W2
J2
RX-B signal
to BPF
unit J506
R2
2P-50
Explanatory notes
VOLTAGE LINE
RX LINE
COMMON LINE
J4 15.01V
GND
L1
NC
EXCCL3225U
+15V
ANT4R
NC
to FILTER
OE
unit J903
DATA
CK
STB
GND 3.32V
C11
0.1
IC11
BU2099FV
1 20
VSS VDD
2 19
NC OE
3 18
DATA SO
4 17
Q11
CLOCK Q11
5 16
RN2427
LCK Q10
6 15
Q0 Q9
7 14
Q1 Q8
8 13
Q2 Q7
9 12
H
Q3 Q6
10 11
Q4 Q5
G
Q12
RN2427
F
Q13
RN2427
E
Q14
RN2427
A: 10.88V
B: 10.88V
C: 10.88V
D: 10.89V
(voltage at selected ANT1-4)
J3
RX-ONLY signal
to BPF
unit J108
R3
2P-50
MESUREMENT CONDITIONS
voltage at RX
frequency: 14.1 MHz
mode: J3E(USB)
ANT(RX): no input
Digital tester
range: input impedance
200mV: 100MΩ
2V: 11MΩ
20V,200V,1000V: 10MΩ
ANT1G
RL51
FTR-F1
ANT1A ANT1A
RL52
FTR-MYAA012D
ANT1B ANT1B
ANT2G
RL61
FTR-F1
ANT2A ANT2A
100 ANT4R
R14
IC12
S-812C33AMC
1 5
GND NC
2
VIN
3 4 RL62
VOUT NC
FTR-MYAA012D
ANT2B ANT2B
R15 100 ANT4G
R16 100 ANT4B ANT3G
D RL71
FTR-F1
R17 100 ANT4A
ANT3A ANT3A
R18 100 ANT3G
R19 100 ANT3B
C
R20 100 ANT3A RL72
FTR-MYAA012D
R21 100 ANT2G
R22 100 ANT2B ANT3B ANT3B
B
ANT4G
R23 100 ANT2A
RL81
R24 100 ANT1G FTR-F1
R25 100 ANT1B
ANT4A ANT4A
A
R26
ANT1A
100
E: 15.0V
F: 14.91V
G: 14.91V
H: 15.0V RL82
FTR-MYAA012D
ANT4B ANT4B
RL84
FTR-MYAA012D
(TX): no modulation
ANT4R ANT4R
11 - 24

11-25 FILTER UNIT

FILTER UNIT
ANT1G
CP51
J51 J904
to CTRL
ANT1 CTIN
board J101
CP52
C53
0.0047
MESUREMENT CONDITIONS
voltage at RX
frequency: 14.1 MHz
mode: J3E(USB)
RL53
ANT(RX): no input
FTR-MYAA012D
(TX): no modulation
Digital tester
range: input impedance
200mV: 100MΩ
2V: 11MΩ
20V,200V,1000V: 10MΩ
ANT2G
CP61
J61
ANT2
CP62
at selected band
CP2: 13.20V
CP3: 13.20V
CP4: 13.20V
CP5: 13.20V
CP6: 13.19V
CP7: 13.21V
CP8: 13.22V
CP9: 13.21V
C63
CP10: 13.01V
0.0047
RL63
FTR-MYAA012D
J902
50M
7M
10M
24M
14M
to CTRL 18M
ANT3G
CP71 board J52 5M
J71
3R5M
ANT3 2M
GND
CP72
C73
0.0047
RL73
FTR-MYAA012D
ANT4G
CP81
J81
ANT4
CP82
C83
0.0047
RL83
FTR-MYAA012D
J905
+15V
ANT4R
OE
to CTRL DATA
CK
board J53
STB
GND
GND
L804 L803
50MHz
CTIN
LA-589 LA-589
C810 C807
RL801
FTR-F1 3p 9p
L801
C801
10µ
0.0047
L554
L553
7MHz
CTIN
LR-468 LR-468
RL551 C564 C559
AJS1311
20p
33p
C560
L551
27p
100µ
C551
0.0047
L604 L603
10MHz
CTIN
LR-464 LR-464
RL601
AJS1311
C612 C608
18p 22p
L601
C609
100µ 27p
C601
0.0047
L754 L753
24/28MHz
CTIN
LA-591 LA-591
RL751
C760 C757
AJS1311
6p 18p
L751
100µ
C751
0.0047
L654 L653
14MHz
CTIN
LR-462 LR-462
RL651 C662 C658
AJS1311
10p 18p
C659
L651
12p
100µ
C651
0.0047
L704 L703
18/21MHz
CTIN
LR-460 LR-460
RL701
C708
AJS1311
15p
L701
100µ
C701
0.0047
L504 L503
4.63/5MHz
CTIN
LR-467 LR-467
RL501
AJS1311
C514 C509
39p 110p
L501
100µ
C501
0.0047
L454 L453
3.5MHz
CTIN
LR-469 LR-469
RL451
AJS1311
C464 C459
39p 110p
L451
100µ
C451
0.0047
L404 L403
1.9MHz
CTIN
LR-470 LR-470
RL401
AJS1311
C417 C411
82p 220p
L401 C412
100µ 15p
C401
0.0047
+15V
ANT4R
OE
DATA
CK
STB
Explanatory notes
VOLTAGE LINE
TX LINE
L802
J901
PAO from PA200W
LA-590
board J401
C804
RL802
18p FTR-F1
D802
1SS301
C813
0.0047
L805
10µ
L552
PAO
LR-466
C554 RL552
AJS1311
82p
C555
D552
15p
1SS301
C567
0.0047
L555
100µ
L602
PAO
LR-465
RL602
AJS1311
C604
82p
C605
D602
1SS301
15p
C615
0.0047
L605
100µ
L752
PAO
LA-592
RL752
C764
AJS1311
20p
D752
1SS301
C763
0.0047
L755
100µ
L652
PAO
LR-463
C654 RL652
AJS1311
18p
C655
D652
39p
1SS301
C665
0.0047
L655
100µ
L702
PAO
LR-461
RL702
C704
AJS1311
22p
C705
D702
20p
1SS301
C714
0.0047
L705
100µ
L502
PAO
LR-468
RL502
AJS1311
C504
220p
D502
1SS301
C517
0.0047
L505
100µ
L452
PAO
LR-467
RL452
AJS1311
C454
100p
C455
D452
1SS301
110p
C467
0.0047
L455
100µ
L402
PAO
LR-471
RL402
AJS1311
C405
390p
C406
D402
1SS301
56p
C420
0.0047
L405
100µ
J903
GND
NC
+15V
+15V
ANT4R
ANT4R NC
to ANT-SW
OE OE
unit J4
DATA DATA
CK CK
STB STB
GND