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77
Dec. 2009
VOLTAGE LINE
Explanatory notes
TX LINE
RX LINE
COMMON LINE
10
μ
L102
0.0047
C109
10
R68
10k
R18
330
R29
10
C1
56k
R21
100
μ
L51
2.2k
R172
470
C39
0.1
C38
4.7
R85
M38022M2
IC1
1
P62/AN2
2
P61/AN1
3
P60/AN0
4
P57/INT3
5
P56/PWM
6
P55/CNTR1
7
P54/CNTR0
8
P53/SRDY2
9
P52/SCLK2
10
P51/SOUT2
11
P50/SIN2
12
P47/SRDY1
13
P46/SCLK1
14
P45/TXD
15
P44/RXD
16
P43/INT2
17
P42/INT1
18
CNV66
19
RESET
20
P41/INT0
21
P40/INT4
22
XIN
23
XOUT
24
VSS
25
P27/DB7
26
P26/DB6
27
P25/DB5
28
P24/DB4
29
P23/DB3
30
P22/DB2
31
P21/DB1
32
P20/DB0
33
P17/AD15
34
P16/AD14
35
P15/AD13
36
P14/AD12
37
P13/AD11
38
P12/AD10
39
P11/AD9
40
P10/AD8
41
P07/AD7
42
P06/AD6
43
P05/AD5
44
P04/AD4
45
P03/AD3
46
P02/AD2
47
P01/AD1
48
P00/AD0
49
P37/RD
50
P36/WR
51
P35/SYNC
52
P34
53
P33/RESETOUT
54
P32/ONW
55
P31/DA2
56
P30/DA1
57
VCC
58
VREF
59
AV88
60
P67/AN7
61
P66/AN6
62
P65/AN5
63
P64/AN4
64
P63/AN3
RD5.6M
D7
0.0047
C165
10k
R17
2p
C103
EXCCL3225U
L7
10k
R205
NJM2903M
IC301
V+
8
GND
4
0.001
C108
100
μ
L2
68k
R108
HSM88AS
D201
1k
R58
R204
56
220k
R110
0.01
C5
1k
R15
100k
R9
CP1
4.7
R71
10k
R104
ERJ3GE-JPW
R119
1k
R53
1.2k
R22
0.001
C305
100k
R14
0.1
C88
220k
R305
0.0047
C11
HSM88AS
D151
100k
R5
330
R25
47
R161
18
R154
330
R32
5.6k
R214
TC7S08F
IC6
1
2
3
4
5
1k
R62
20p
C9
0.0047
C308
1SS319
D103
1
2
3
4
R1EX24016ATA00A
IC2
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
L9
1k
R166
HSM88AS
D101
100
R16
100k
R2
3p
C151
10k
R103
330
R26
0.001
C107
0.1
C71
100
μ
L5
NJM2903M
IC301
6
5
7
47
R255
1k
R65
4.7
R78
DTC114EU
Q5
10k
R208
1k
R54
56
R253
0.0047
C252
1k
R113
10k
R312
MA114
D2
10
R102
0.1
C40
10k
R228
0.01
C4
1k
R52
CR-569
X1
100k
R215
LR-502
L101
82k
R221
RD5.1M
D1
220k
R309
DTC114EU
Q2
75p
C116
4.7
R74
1
C18
4.7
R70
100k
R11
0.0047
C208
4.7k
R209
1
C19
L202
2.2M
0.0047
C175
220k
R109
EXCCL3225U
L8
75p
C106
1.5M
R224
82p
C155
HSM88AS
D153
CP101
2SK515
Q201
47
R160
L9
HF50ACC322513
DTC114EU
Q10
DTC114EU
Q6
0.1
C70
1p
C301
2.7M
R111
1k
R51
1k
R12
1k
R61
220p
C164
1k
R56
DTC114EU
Q51
NJM4558M
IC101
V+
8
GND
4
AE5349
RL251
10k
R206
0.0047
C114
47
R165
1k
R40
100k
R4
DTC114EU
Q9
10k
R301
0.1
C15
1k
R59
0.1
C10
1
C24
0.1
C181
15
R303
82p
C153
56
R256
0.0047
C113
0.1
C14
1
C22
J351
1k
R162
100k
R19
330
R28
1k
R55
DTC114EU
Q7
10k
R227
DTC114EU
Q3
0.001
C304
15
R152
330
R27
220p
C214
TA7805F NQ
IC4
1
I
2
O
3
G
100k
R8
0.0047
C254
10
R101
HSM88AS
D152
47
R168
HSM88AS
D102
22p
C303
DTC114EU
Q4
100k
R222
10k
R225
1k
R60
33p
C152
0.0047
C211
47
R170
0.0047
C110
10
μ
L152
10k
R304
TC4S69F
IC3
1
2
3
4
5
NJM2903M
IC301
2
3
1
1k
R64
0.1
C25
R202
56
DTA114EU
Q1
0.0047
C6
1k
R114
0.0047
C212
2.2k
R211
HSM88AS
D301
0.1
C309
20p
C12
10
R69
470p
C217
68k
R307
12k
R20
0.0047
C156
1k
R63
1.5M
R223
1p
C202
0.0047
C26
0.0047
C161
R201
56
100
μ
L103
100k
R13
10
C112
1k
R57
15p
C302
220k
R105
1M
R207
10k
R302
5.6k
R213
100
μ
L52
100k
R3
1k
R311
4.7
R72
220p
C215
10k
R23
1SS301
D251
2.2M
R308
4.7
R73
220p
C163
330
R31
6.8k
R216
0.001
C209
56
R252
DTC114EU
Q251
1
C23
4.7
R77
HSM88AS
D202
100
C16
47
R164
0.0047
C255
6.8k
R217
100
μ
L302
HSM88AS
D302
4.7k
R66
4.7
R75
10
R67
DTC114EU
Q8
1
C21
56
R254
0.0047
C253
22
R151
4.7
R84
1k
R169
470p
C216
220
R174
10
C111
470
C13
100k
R218
1SS319
D203
1
2
3
4
0.0047
C157
0.1
C69
DTC114EU
Q52
BU4066BCF
IC52
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
0.0047
C307
2.2M
R310
1
C17
68k
R107
EXCCL3225U
L6
R203
56
DTC114EU
Q53
330
R30
10k
R6
0.1
C8
1k
R24
100
μ
L1
0.0047
C207
0.0047
C159
10k
R226
0.0047
C210
220k
R106
100k
R10
3.3k
R173
22
R153
7p
C201
47
C162
1k
R163
1
C20
EP1
W1
1k
R167
47
R171
10k
R212
1k
R210
10
C72
0.001
C7
0.1
C180
0.1
C2
HSM88AS
D154
2p
C102
4.7
R76
68k
R306
FTR-F1
RL252
FTR-F1
RL253
NJM4558M
IC101
2
3
1
NJM4558M
IC101
6
5
7
J2
J51
to NETWORK
board J1
J1
0.0047
C3
0.0047
C218
0.0047
C213
NJM4558M
IC201
V+
8
GND
4
EXC-ELDR25C
L4
1SS319
D3
1
2
3
4
1SS319
D4
1
2
3
4
1SS319
D5
1
2
3
4
1SS319
D6
1
2
3
4
0.0047
C420
0.0047
C419
HF50ACC322513
L402
HF50ACC322513
L401
10
C418
10
C417
1k
R424
1k
R430
1k
R422
1k
R432
1k
R420
1k
R428
1k
R418
1k
R426
4.7
R416
4.7
R415
4.7
R410
4.7
R412
4.7
R409
4.7
R414
4.7
R413
4.7
R411
4.7
R402
4.7
R404
4.7
R403
4.7
R407
4.7
R406
4.7
R405
4.7
R408
4.7
R401
1k
R425
1k
R431
1k
R417
1k
R419
1k
R421
1k
R429
1k
R427
1k
R423
TC74HCT7007AF
IC5
1
2
3
4
5
6
78
9
10
11
12
13
14
27p
C158
33p
C154
150p
C205
3p
C206
100p
C204
NJM4558M
IC201
2
3
1
NJM4558M
IC201
6
5
7
2SK3018
Q54
10k
R86
DTC114EU
Q55
CD74HC4094M
IC51
1
STROBE
2
DATA
3
CP
4
Q0
5
Q1
6
Q2
7
Q3
8
GND
9
QS1
10
QS2
11
Q7
12
Q6
13
Q5
14
Q4
15
OE
16
VCC
CD74HC4094M
IC55
1
STROBE
2
DATA
3
CP
4
Q0
5
Q1
6
Q2
7
Q3
8
GND
9
QS1
10
QS2
11
Q7
12
Q6
13
Q5
14
Q4
15
OE
16
VCC
0.1
C68
10
C66
CD74HC4094M
IC56
1
STROBE
2
DATA
3
CP
4
Q0
5
Q1
6
Q2
7
Q3
8
GND
9
QS1
10
QS2
11
Q7
12
Q6
13
Q5
14
Q4
15
OE
16
VCC
1.2M
R112
75p
C105
56p
C115
TD62783AF
IC402
1
I1
2
I2
3
I3
4
I4
5
I5
6
I6
7
I7
8
I8
9
VCC
10
GND
11
O8
12
O7
13
O6
14
O5
15
O4
16
O3
17
O2
18
O1
TD62783AF
IC401
1
I1
2
I2
3
I3
4
I4
5
I5
6
I6
7
I7
8
I8
9
VCC
10
GND
11
O8
12
O7
13
O6
14
O5
15
O4
16
O3
17
O2
18
O1
TD62783AF
IC57
1
I1
2
I2
3
I3
4
I4
5
I5
6
I6
7
I7
8
I8
9
VCC
10
GND
11
O8
12
O7
13
O6
14
O5
15
O4
16
O3
17
O2
18
O1
TD62783AF
IC58
1
I1
2
I2
3
I3
4
I4
5
I5
6
I6
7
I7
8
I8
9
VCC
10
GND
11
O8
12
O7
13
O6
14
O5
15
O4
16
O3
17
O2
18
O1
56p
C119
TC74AC04F
IC151
1
2
3
4
5
6
7
9
8
10
11
12
13
14
0.0047
C171
100
R155
100
R157
10k
R158
10k
R159
TC7SZ32F
IC153
1
2
3
4
5
TC7SZ32F
IC154
1
2
3
4
5
TC7SZ32F
IC155
1
2
3
4
5
TC74ACT112F
IC156
13
CK
12
K
11
J
10
PR
9
Q
7
Q
14
CLK
TC74ACT112F
IC156
1
CK
2
K
3
J
4
PR
5
Q
6
Q
15
CLK
TC74ACT112F
IC156
V+
16
GND
8
J52
J53
DTC114EU
Q11
1k
R7
J101
from FILTER
unit J904
J301
J251
J252
20p
C104
0
R46
0
R45
0
R44
0
R43
0
R42
0
R87
0
R88
0
R89
0
R90
0
R91
0
R92
0
R97
0
R95
CI2
NVHF
CI1
VHF
CO2
CI2
AN0
24M
CI3
150k
R313
VHF
NVHF
24M
CO1
18M
DTC114EU
Q59
18M
0.1
C41
TRC
TRC
TRC
TRC
AN1
AN0
AN1
14M
10M
AN2
14M
7M
AN3
10M
4M
AN3
AN2
7M
2.7M
R115
3p
C310
CO3
0.0047
C43
AN1
CO2
AN0
AN2
CO1
CI3
CI1
CO3
0.0047
C173
0.0047
C174
LPF5
LPF5
PX
X
P
X
P
PY
Y
P
Y
P
VHF
4.6MOL
4.6MOL
CI3
TDAT
TCK
LPF4
LPF4
GND
GND
REF
CO1
AW
W
A
W
A
+15V
GND
T15V
GND
ISTA
+5V
+5V
+5V
+5V
+5V
+5V
+5V
V
5
+
V
5
+
+5V
V
5
+
V
5
+
+5V
10M
THRU
THRU
CI2
+15VL
+15VL
+15VL
+15VL
+15VL
L
V
5
1
+
L
V
5
1
+
+15VL
+15VL
+15VL
+15VL
CI1
AY
AY
AY
AN3
PW
W
P
W
P
LPF9
LPF9
LPF6
LPF6
THRI
5M
RX-ANTB
+3R3VL
GND
AN2
THRU
THRU
U
R
H
T
U
R
H
T
TDAT
IKEY
+3R3V
TCK
24M
+5V
+5V
+5V
+5V
+5V
ANT4R
ANT4R
ANT4R
+5V
LPF1
LPF1
LPF1
THRU2
THRU2
THRU1
+15V
+15V
14M
+15V
PZ
Z
P
Z
P
TCK
+5V
V
5
+
V
5
+
V
5
+
V
5
+
+5V
LPF3
LPF3
+15V
+3R3VL
+15VL
THRU1
THRU1
CO2
IKEYB
B
Y
E
K
I
B
Y
E
K
I
IKEYB
FSTB
TUIN
TX/RX-A
-12V
GND
LPF7
LPF7
LPF7
CSTB
TCK
TDAT
CSTB
18M
3R5M
FOR
REF
FOR
T8V
TDRS
THRU2
CO3
T15V
T15V
T15V
T15V
LPF2
LPF2
AZ
AZ
GND
TUOT
GND
+5VL
+5VL
GND
+15V
V
8
T
V
8
T
T8V
GNDL
REFV
FANC
LPF8
LPF8
TDAT
CSTB
AX
AX
AX
TRC
TRC
TRC
TRC
7M
FORV
+3R3V
-12V
T8V
REFV
FORV
-12VL
+3R3VL
-12VL
-12VL
+15VL
+15VL
+15VL
CTIN
GND
-12VL2
-
12VL2
-12VL2
-15VL2
-12VL2
VHCI
VHCO
VHF
CI3
CO1
+15V
10M
CI2
CI1
5M
24M
14M
CO2
18M
3R5M
CO3
FANC
7M
VHF
10M
5M
24M
14M
18M
3R5M
7M
VHCI
VHCO
FSTB
GND
TOE
TDAT
TCK
CSTB
FSTB
TOE
IKEYB
TDAT
TCK
CSTB
FSTB
TOE
TOE
TOE
TDAT
TCK
CSTB
TOE
REF
+3R3VL
+3R3VL
+3R3VL
FOR
FOR
FOR
4.6MOL
FOR
FOR
FOR
-12VL
-
12VL
FOR
FOR
FOR
FOR
FOR
FOR
-
12VL
-12VL
TOE
TOE
24M
2M
3R5M
GND
14M
18M
50M
OE
OE
OE
CK
CK
CK
THRU2
THRU1
THRU2
THRU1
THRU2
THRU1
THRU2
THRU1
THRU2
THRU1
THRU2
THRU1
OE
CK
OE
OE
CK
CK
CK
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
STB
STB
STB
STB
7M
DATA
DATA
DATA
DATA
10M
ANT4R
ANT4R
5M
GND
GND
to BPF
unit J106
from/to NETWORK
board J2
from/to NETWORK
board J3
from/to ANT-SW
unit J1
to TUNER
unit MF1,MF2
to LOGIC
unit J811
to FILTER
unit J902
to FILTER
unit J905
LR-502
L151
LR-502
L201
LR-502
L301
ERJ3GE-JPW
R118
10k
R345
CTRL BOARD
15.0V
4.5V
163nsec
5.0V
-11.8V
at selected: 12.7V
at selected: 12.7V
at selected: 13.4V
2.5V
at selected: 13.4V
3.3V
14.5V
TX: 4.9V
RX: 0.0V
TX: 8.1V
RX: 0.0V
15.0V
range: input impedance
200mV: 100M
Ω
2V: 11M
Ω
20V,200V,1000V: 10M
Ω
MESUREMENT CONDITIONS
voltage at RX(no instruction)
frequency: 14.1 MHz
mode: J3E(USB)
Digital tester
ANT(RX): no input
(TX): no modulation
Summary of Contents for IC-7800
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 65 VOLTAGE DIAGRAM 67 Dec 2009 ...
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 ...