Icom IC-7800 Service Manual Addendum page 327

Jul. 2008
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 R14
NC
to FILTER
OE
unit J903
IC12
DATA
S-812C33AMC
CK
1
STB
GND
3.32V 2
GND
VIN
3
VOUT
C11
0.1
R15
IC11
BU2099FV
R16
1 20
VSS VDD
2 19
NC OE
3 18
DATA SO
4 17 Q11
CLOCK Q11
RN2427
5 16
LCK Q10
6 15 R17
Q0 Q9
7 14
Q1 Q8
8 13
Q2 Q7
9 12
H
Q3 Q6
10 11
Q4 Q5
R18
R19
G
Q12
RN2427
R20
R21
R22
F
Q13
RN2427
R23
R24
R25
E
Q14
RN2427
R26
100
A: 10.88V E: 15.0V
B: 10.88V F: 14.91V
C: 10.88V G: 14.91V
D: 10.89V H: 15.0V
(voltage at selected ANT1-4)
J3
to BPF RX-ONLY signal
unit J108
R3
2P-50
MESUREMENT CONDITIONS
voltage at RX
frequency: 14.1 MHz
mode: J3E(USB)
ANT(RX): no input
(TX): no modulation
Digital tester
range: input impedance
ANT1G ANT1G
RL51
FTR-F1
ANT1A ANT1A
RL52
FTR-MYAA012D RL53
FTR-MYAA012D
ANT1B ANT1B
ANT2G ANT2G
RL61
FTR-F1
ANT2A ANT2A
100 ANT4R
5
NC
RL63
4 RL62
FTR-MYAA012D
NC
FTR-MYAA012D
ANT2B ANT2B
100 ANT4G
100 ANT4B ANT3G ANT3G
D RL71
FTR-F1
100 ANT4A
ANT3A ANT3A
100 ANT3G
100 ANT3B
C
RL73
100 ANT3A RL72
FTR-MYAA012D
FTR-MYAA012D
100 ANT2G
100 ANT2B ANT3B ANT3B
B
ANT4G ANT4G
ANT2A
100
RL81
ANT1G FTR-F1
100
100 ANT1B
ANT4A ANT4A
A
ANT1A
RL83
RL82
FTR-MYAA012D
FTR-MYAA012D
ANT4B ANT4B
RL84
FTR-MYAA012D
ANT4R ANT4R
78
FILTER UNIT
FILTER UNIT
CP51
J51 J904
to CTRL CTIN
ANT1
board J101
CP52
L801
C53
0.0047
MESUREMENT CONDITIONS
voltage at RX
frequency: 14.1 MHz
mode: J3E(USB)
ANT(RX): no input
L551
(TX): no modulation
Digital tester
range: input impedance
CP61
J61
L601
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
L751
J902
50M
7M
10M
24M
L651
14M
to CTRL 18M
board J52 5M
CP71
J71
3R5M
ANT3 2M
GND
CP72
L701
C73
0.0047
L501
CP81
J81
ANT4
CP82
L451
C83
0.0047
L401
J905
+15V
ANT4R
OE
to CTRL DATA
CK
board J53
STB
GND
GND
L804 L803 L802
50MHz
CTIN
LA-589 LA-590
LA-589
C804
C810 C807
RL801
FTR-F1 3p 9p 18p
C801
0.0047
7MHz L554 L553 L552
CTIN
LR-468 LR-468 LR-466
RL551
C564 C559 C554
AJS1311
20p 33p 82p
C560 C555
27p 15p
C551
0.0047
L604 L603 L602
10MHz
CTIN
LR-464 LR-464 LR-465
RL601
AJS1311
C612 C608 C604
82p
18p 22p
C605
C609
15p
27p
C601
0.0047
24/28MHz L754 L753 L752
CTIN
LA-591 LA-591 LA-592
RL751
C760 C757 C764
AJS1311
6p 18p 20p
C751
0.0047
14MHz L654 L653 L652
CTIN
LR-462 LR-462 LR-463
RL651 C662 C658 C654
AJS1311
10p 18p 18p
C659 C655
12p 39p
C651
0.0047
18/21MHz L704 L703 L702
CTIN
LR-460
LR-460 LR-461
RL701
C708 C704
AJS1311
15p 22p
C705
20p
C701
0.0047
4.63/5MHz L504 L503 L502
CTIN
LR-467 LR-467 LR-468
RL501
AJS1311
C514 C509
39p 110p
C501
0.0047
L454 L453 L452
3.5MHz
CTIN
LR-469 LR-469 LR-467
RL451
AJS1311
C464 C459 C454
39p
110p 100p
C455
110p
C451
0.0047
1.9MHz L404 L403
CTIN
LR-470 LR-470 LR-471
RL401
AJS1311
C417 C411
82p 220p
C412
15p
C401
0.0047
+15V +15V
ANT4R ANT4R
OE OE
DATA DATA
CK CK
STB STB
Explanatory notes
VOLTAGE LINE
TX LINE
J901
PAO from PA200W
board J401
RL802
FTR-F1
D802
1SS301
C813
0.0047
L805
PAO
RL552
AJS1311
D552
1SS301
C567
0.0047
L555
PAO
RL602
AJS1311
D602
1SS301
C615
0.0047
L605
PAO
RL752
AJS1311
D752
1SS301
C763
0.0047
L755
PAO
RL652
AJS1311
D652
1SS301
C665
0.0047
L655
PAO
RL702
AJS1311
D702
1SS301
C714
0.0047
L705
PAO
RL502
AJS1311
C504
220p
D502
1SS301
C517
0.0047
L505
PAO
RL452
AJS1311
D452
1SS301
C467
0.0047
L455
L402
PAO
RL402
AJS1311
C405
390p
C406
D402
1SS301
56p
C420
0.0047
L405
J903
GND
NC
+15V
ANT4R
NC to ANT-SW
OE
unit J4
DATA
CK
STB
GND