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Jul. 2008
78
ANT-SW UNIT
VOLTAGE LINE
Explanatory notes
RX LINE
COMMON LINE
SRYH-350L
R1
FTR-F1
RL51
0.0047
C51
J4
J2
RX-B signal
FTR-MYAA012D
RL52
0.0047
C52
FTR-MYAA012D
RL53
1SS355
D52
1SS355
D51
1SS355
D53
0.0047
C53
FTR-MYAA012D
RL62
0.0047
C63
1SS355
D62
FTR-MYAA012D
RL63
1SS355
D61
0.0047
C61
1SS355
D63
FTR-F1
RL61
0.0047
C62
FTR-MYAA012D
RL72
0.0047
C73
1SS355
D72
FTR-MYAA012D
RL73
1SS355
D71
0.0047
C71
1SS355
D73
FTR-F1
RL71
0.0047
C72
FTR-MYAA012D
RL82
0.0047
C83
1SS355
D82
FTR-MYAA012D
RL83
1SS355
D81
0.0047
C81
1SS355
D83
FTR-F1
RL81
0.0047
C82
J3
RX-ONLY signal
FTR-MYAA012D
RL84
0.0047
C84
1SS355
D84
BU2099FV
IC11
1
VSS
2
NC
3
DATA
4
CLOCK
5
LCK
6
Q0
7
Q1
8
Q2
9
Q3
10
Q4
11
Q5
12
Q6
13
Q7
14
Q8
15
Q9
16
Q10
17
Q11
18
SO
19
OE
20
VDD
0.1
C11
100
R15
100
R16
100
R18
100
R19
100
R21
100
R22
100
R24
100
R25
EXCCL3225U
L1
100
R17
100
R20
100
R23
100
R26
100
R14
100
R11
100
R13
100
R12
Q11
RN2427
Q12
RN2427
Q13
RN2427
Q14
RN2427
CP51
CP52
CP61
CP62
CP71
CP72
CP81
CP82
2P-50
R2
2P-50
R3
W1
W2
S-812C33AMC
IC12
1
GND
2
VIN
3
VOUT
4
NC
5
NC
0.1
C12
LA-253
L2
10p
C1
J51
J61
J71
J81
J1
TX/RX-A signal
ANT-SW UNIT
from/to CTRL
board J301
to BPF
unit J506
to BPF
unit J108
to FILTER
unit J903
22p
C2
ANT4R
ANT4R
ANT4B
ANT4B
ANT4G
ANT4G
ANT3B
ANT3B
ANT3G
ANT3G
ANT2B
ANT2B
ANT2G
ANT2G
ANT1B
ANT1B
ANT1G
ANT1G
ANT1A
ANT1A
ANT2A
ANT2A
ANT3A
ANT3A
ANT4A
ANT4A
ANT4G
ANT4B
ANT4A
ANT3G
ANT3B
ANT3A
ANT2G
ANT2B
ANT2A
ANT1G
ANT1B
ANT1A
ANT4R
ANT1
ANT3
ANT4
GND
GND
ANT2
CK
DATA
STB
OE
NC
NC
+15V
ANT4R
range: input impedance
MESUREMENT CONDITIONS
voltage at RX
frequency: 14.1 MHz
mode: J3E(USB)
Digital tester
ANT(RX): no input
(TX): no modulation
15.01V
D
H
G
F
E
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)
C
B
A
3.32V
FILTER UNIT
VOLTAGE LINE
Explanatory notes
TX LINE
L555
LR-467
L503
27p
C560
L451
0.0047
C517
L401
FTR-F1
RL802
1SS301
D502
0.0047
C567
AJS1311
RL401
AJS1311
RL452
AJS1311
RL552
220p
C411
0.0047
C801
L551
AJS1311
RL451
LA-589
L803
110p
C509
L501
33p
C559
L505
L801
LR-470
L403
110p
C459
L805
AJS1311
RL502
9p
C807
15p
C412
1SS301
D402
L405
AJS1311
RL501
FTR-F1
RL801
0.0047
C451
0.0047
C551
AJS1311
RL551
LR-469
L453
0.0047
C401
0.0047
C501
1SS301
D452
L455
0.0047
C813
0.0047
C420
0.0047
C467
AJS1311
RL402
LR-468
L553
1SS301
D802
1SS301
D552
18p
C757
L655
1SS301
D702
12p
C659
LR-460
L703
AJS1311
RL701
AJS1311
RL651
AJS1311
RL752
0.0047
C651
LR-462
L653
L755
L701
AJS1311
RL702
L705
0.0047
C763
AJS1311
RL652
L651
L751
1SS301
D652
0.0047
C751
0.0047
C701
LA-591
L753
0.0047
C714
0.0047
C665
1SS301
D752
AJS1311
RL751
18p
C658
LR-464
L603
0.0047
C601
AJS1311
RL602
L601
AJS1311
RL601
L605
0.0047
C615
1SS301
D602
27p
C609
J903
22p
C608
18p
C804
LA-590
L802
LA-589
L804
3p
C810
47p
C806
39p
C809
LR-466
L552
15p
C555
82p
C554
20p
C564
LR-468
L554
22p
C566
270p
C557
39p
C558
270p
C556
33p
C563
330p
C561
270p
C562
LR-465
L602
15p
C605
82p
C604
LR-464
L604
18p
C612
150p
C613
82p
C614
220p
C606
82p
C611
330p
C610
LR-463
L652
39p
C655
18p
C654
10p
C662
LR-462
L654
120p
C663
220p
C660
100p
C661
68p
C657
220p
C656
LA-591
L754
6p
C760
47p
C761
100p
C759
56p
C758
100p
C755
LR-461
L702
LR-460
L704
200p
C706
LR-467
L504
LR-468
L502
39p
C514
220p
C504
220p
C502
150p
C503
220p
C516
220p
C515
150p
C513
390p
C511
390p
C512
330p
C506
220p
C507
27p
C518
220p
C508
110p
C455
LR-467
L452
100p
C454
39p
C464
LR-469
L454
220p
C453
270p
C452
82p
C468
560p
C465
68p
C466
120p
C458
470p
C457
560p
C456
560p
C462
27p
C463
560p
C461
56p
C406
LR-471
L402
390p
C405
82p
C417
LR-470
L404
390p
C404
330p
C403
330p
C402
680p
C418
680p
C419
680p
C408
220p
C410
680p
C409
680p
C407
680p
C414
680p
C413
390p
C416
680p
C415
J904
J901
LA-592
L752
20p
C764
33p
C808
15p
C703
33p
C712
22p
C704
20p
C705
47p
C707
15p
C708
22p
C710
220p
C709
47p
C713
39p
C664
39p
C805
200p
C552
220p
C565
82p
C756
68p
C607
15p
C765
J905
CP1
CP2
CP3
CP4
CP5
CP6
CP7
CP8
CP9
CP10
50M
7M
10M
24M
CP13
CP15
CP16
CP11
CP12
CP14
CP17
5p
C811
18p
C715
7MHz
1.9MHz
3.5MHz
4.63/5MHz
50MHz
14MHz
18/21MHz
24/28MHz
10MHz
24M
14M
50M
J902
DATA
2M
10M
ANT4R
CK
OE
GND
2M
3R5M
5M
18M
STB
+15V
7M
5M
18M
3R5M
OE
NC
DATA
ANT4R
+15V
GND
NC
STB
CK
GND
to ANT-SW
unit J4
to CTRL
board J52
PAO
PAO
PAO
PAO
PAO
PAO
PAO
PAO
PAO
CTIN
CTIN
CTIN
CTIN
CTIN
CTIN
CTIN
CTIN
CTIN
CTIN
FILTER UNIT
to CTRL
board J53
GND
GND
to CTRL
board J101
from PA200W
board J401
DATA
ANT4R
CK
OE
STB
+15V
DATA
ANT4R
CK
OE
STB
+15V
range: input impedance
MESUREMENT CONDITIONS
voltage at RX
frequency: 14.1 MHz
mode: J3E(USB)
Digital tester
ANT(RX): no input
(TX): no modulation
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
CP10: 13.01V
Summary of Contents for IC-7800
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Page 79: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 60 VOLTAGE DIAGRAM 64 Feb 2009 ...
Page 157: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Aug 2008 ...
Page 245: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 57 VOLTAGE DIAGRAM 59 Jul 2008 ...
Page 333: ...THE TRANSCEIVER i7800 SERVICE MANUAL S 14015HZ C1 2 Mar 2006 ...
Page 555: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14015HZ C1 2 C 2004 2006 Icom Inc ...