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11 - 8
VOLTAGE LINE
Explanatory notes
RX LINE
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
T401
H1102
VDD3R3
BUS LINE3
VDD1R5
BUS LINE1
L901 EXCCL3225U
R901 10
R877 150k
R878
4.7k
R1029
4.7k
R876
560
C865
10
R1030
4.7k
R881
4.7k
R880 120k
R1031
4.7k
R884
4.7k
R883 8.2k
R882
560
C869
10
R879
8.2k
C867
0.0068
R1032
4.7k
R887
4.7k
R886 8.2k
R885
560
C871
10
MICPLAYE
GND
MICPLAY
MICRECE
MICREC
SPLAYE
SPLAY
SPLAY
SPLA
Y
SPLAY
MPLAYE
MPLAY
RXSRECE
RXSREC
RXMRECE
RXMREC
MICPLAY
MICREC
MPLAY
RXSREC
RXMREC
MICPLA
Y
MICPLAY
MICREC
MPLA
Y
MPLAY
RXSREC
RXMREC
R861
2.2k
R860
3.3k
C853 820p
R859
1.8k
C852 820p
R862
330
R858
1.5k
R857 10k
R817 10k
C851
10
R873
3.3k
R874
2.2k
C861 820p
R872
1.8k
C860 820p
C437
0.1
R875
330
R871
1.5k
R870 10k
C859
10
D853 MA742
D854 MA742
D855 MA742
D856 MA742
R866
3.3k
R867
2.2k
C857 820p
R865
1.8k
C856 820p
C868 0.022
C866
180p
R868
330
R864
1.5k
R863 10k
R1042 8.2k
C855
10
D857
1SS355
R855
4.7k
R1035 6.8k
C883 0.47
R854
560k
R851
100k
D858
1SS355
R856
4.7k
R1036 6.8k
C884 0.47
R853
560k
R852
100k
R830
22k
R828
1
2
3
10k
R832
22k
R833
10k
D821
MA8047
C825 0.1
V+
GND
IC821
NJM2904M
R829 470
R825
1
R826
27k
R827
27k
R824 1.2M
R823 1.2M
C822 100
C823 0.0047
C811 0.47
D803
DA221
R807 4.7
R808 1k
R809 10k
C810 0.47
D802
DA221
R804 4.7
R805 1k
R806 10k
C809 0.47
D801
DA221
R802 4.7
R818 10
R803 1k
R801 10k
R902 10
R903 10
R904 10
R905 10
R906 10
R907 10
R908 10
R909 10
R910 10
R911 10
R912 10
R913 10
R914 10
R915 10
R916 10
R917 10
R918 10
R919 10
R920 10
R921 10
R922 10
R923 10
R924 10
R925 10
R926 10
R927 10
R928 10
R929 10
R930 10
R931 10
R989 10
R932 10
R933 10
R934 10
R935 10
R936 10
R937 10
C922 0.001
C921 0.001
C920 0.001
C919 0.001
C918 0.001
C917 0.001
C916 0.001
C915 0.001
C914 0.001
C913 0.001
C912 0.001
C911 0.001
C910 0.001
C909 0.001
C908 0.001
C907 0.001
C982 0.001
R938 10
R939 10
R940 10
R941 10
R942 10
R943 10
R944 10
R945 10
R946 10
R947 10
R1056 0
R949 10
R950 10
R951 10
R952 10
R953 10
R954 10
R955 10
R956 10
R957 10
R958 10
R959 10
R960 10
R961 10
R962 10
R963 10
R964 10
R965 10
R966 10
R967 10
R968 10
R969 10
R970 10
R971 10
R974
10
C944 0.001
C943 0.001
C942 0.001
C941 0.001
C940 0.001
C939 0.001
C938 0.001
C937 0.001
C936 0.001
C935 0.001
C934 0.001
C933 0.001
C932 0.001
C931 0.001
C930 0.001
C929 0.001
C928 0.001
C927 0.001
C926 0.001
C925 0.001
RES#
BUS LINE6
VDD5A
VDD5
L902 EXCCL3225U
L903 EXCCL3225U
L904 EXCCL3225U
R975 10
R976 10
R1024 10
R977 10
R978 10
R979 10
R980 10
R981 10
R982 10
R983 10
R996 10
C955 0.001
C954 0.001
C953 0.001
C952 0.001
L913 EXCCL3225U
L914 EXCCL3225U
L915 EXCCL3225U
L916 EXCCL3225U
R1008 10
R1009 10
R1010 10
R1011 10
R1012 10
R1013 10
R1014 10
R1015 10
R1016 10
R1017 10
R1018 10
R1019 10
R1020 10
R1021 10
R1022 10
R1023 10
L917 EXCCL3225U
L918 EXCCL3225U
L919 EXCCL3225U
L920 EXCCL3225U
C981 0.001
C980 0.001
C979 0.001
C978 0.001
C977 0.001
C850 0.1
C976 0.001
C975 0.001
C974 0.001
C973 0.001
C972 0.001
C971 0.001
D851
1SS355
R894
10
7
6
5
C901 10
R889 47k
R850 0
R888
220
D852
1SS355
R896
10
2
1
3
R890
220
C902 10
R891 10k
R892 270k
R893
100k
R895
100k
R984 10
R985 10
R986 10
R987 10
R988 10
L905 EXCCL3225U
L906 EXCCL3225U
L907 EXCCL3225U
L908 EXCCL3225U
C959 0.001
C958 0.001
C957 0.001
C956 0.001
C966 0.001
C965 0.001
C964 0.001
C963 0.001
C962 0.001
C961 0.001
C960 0.001
C983 0.1
C984 1
C985 0.1
C924 0.001
C923 0.001
R630 4.7k
R631 4.7k
R632 4.7k
R633 4.7k
R634 4.7k
R635 4.7k
R639 47k
R640 47k
R641 47k
R642 47k
14
13
12
11
10
9
8
1
2
3
4
5
6
7
C628 0.1
3
2
1
4
IC607
TC7S08F
5
C626 0.1
3
2
1
IC608
TC7S08F
4
5
C627 0.1
R637 47k
R636 47k
R1033 0
L803 SLF6028T
L804 SLF6028T
L806 SLF6028T
R814 1k
L805 SLF6028T
L807 SLF6028T
C808 470
C807 470
C806 470
C805 470
L808 EXCCL3225U
L832 EXCCL3225U
L833 EXCCL3225U
L809 EXCCL3225U
L810 EXCCL3225U
C813 0.001
C814 0.001
C827 0.001
C828 100p
C831 0.001
C832 100p
C829 0.001
C826 0.001
C833 0.001
C834 100p
C830 100p
C815 0.001
C812 0.001
L801 100
µ
L834 EXCCL3225U
L835 EXCCL3225U
C804 47
C803 0.1
C824 0.001
C801 10
C802 0.1
R812 68
IC801
BA033FP
I
O
I
G
O
G
IC802
TA78L08F
L821 EXCCL3225U
L823 BLM31PG121SN1
L822 EXCCL3225U
L827 EXCCL3225U
L824 EXCCL3225U
L825 EXCCL3225U
VDD3R3A
L811 10
µ
CP601
J821
J824
J820
J805
J810
J825
J802
J803
J804
CP801
CP802
CP803
CP804
CP805
R440 150
R441 150
R442 150
R443 150
R436 150
R437 150
R438 150
R439 150
R428 100
R429 100
R430 100
R431 100
R432 100
R433 100
R434 100
R435 100
C438 0.1
C439 0.1
C440 0.001
IC852
NJM2058M
IC853
NJM2058M
C879 10
C877 0.1
C875 10
C873 0.1
C880 10
C878 0.1
C876 10
C874 0.1
R1025 100
R819 22
C838 10
C837 0.1
C836 10
C835 0.1
R1027 100
R1028 100
R1026 100
V+
V+
GND
GND
4
11
4
11
C821 47
Q901
XP4311
Q902
XP4311
4
5
6
4
5
6
3
2
1
3
2
1
Q903
XP4311
Q904
XP4311
4
4
5
6
5
6
3
2
1
3
2
1
C903 0.1
C997 0.0047
C905 10
C904 0.1
C906 10
V+
GND
IC851
NJM2058M
4
11
J811
J812
J813
J814
J815
J816
J822
J823
SPO
SPE
IC609
TC74HC08AF
SYS_RES#
SYS_RES#
Q821
2SB1201
Q822
2SC4081
IC821
NJM2904M
-
+
-
+
IC821
NJM2904M
H8_MD2
H8_FZMD
H8_RXD1
H8_FZRD
METM
MEREF
METS
-
+
-
+
IC851
NJM2058M
IC851
NJM2058M
MET_M
MET_S
Q803
2SD1619
Q802
2SC4081
R816 10k
Q810
2SD1664
Q806
2SD1619
Q807
2SC4081
Q804
2SD1619
Q805
2SC4081
RXSB
RXSA
SR8V
R8V
D804
1SS301
MR8V
T8V
IC852
NJM2058M
IC852
NJM2058M
IC852
NJM2058M
IC852
NJM2058M
7
6
5
-
+
-
+
8
9
10
-
+
1
2
3
-
+
14
13
12
MOD
SUB_AF
MAIN_AF
MIC
SUB_RX
MAIN_RX
VOX
-
+
2
3
1
+
-
6
5
7
-
+
13
12
14
-
+
9
10
8
IC853
NJM2058M
IC853
NJM2058M
IC853
NJM2058M
IC853
NJM2058M
GND
VDD1R5
VDD3R3
VDD5
PWRS
C15V
GND
FAN
FANG
FZRX
FZRX
FZRX
FZTX
FZRS
FZRS
FZRS
FZMD
FZRX
FZTX
FZRS
FZMD
FZMD
JPG4
JP53
WDTOVF
JRESI
JRESI
JRESI
JRESI
JRESI
JPG5
JPG6
TX+
TX-
RX+
NC
NC
RX-
NC
NC
GND
GND
RED
RGND
GREEN
GGND
BLUE
BGND
HC
SGND
VSYNC
GND
GND
VBUS1
D-1
D+1
GND
MTXD1
MRXD1#
CISEL
MTXD2
MRXD2#
CRT_RED
CRT_GREEN
CRT_BLUE
CRT_HSYNC
CRT_VSYNC
USB1_5V
USB1_HM
USB1_HP
D
C
B
A
LG_PWR
GND
-15V
+15V
+15V
+15V
+8V
+5V
+3R3V
GND
VDD5VF
NC
GND
MSND
+8V
NC
C15V
C15V
C15V
GND
GND
+3R3C
LG_RES
NC
LG_PWR
LG_PWR
LG_PWR
NC
LTXD
LRXD
GND
GND
LTXD
LRXD
J808
J809
DSPK
SCK
DSPR
SDAT
DFRA
SST1
DFXA
SPS0
DX1A
SST2
NSQA
GND
VSQA
DFXS
RTDA
DFRS
TNDA
RX1S
DFRB
DRES
DX1B
FRWT
DFXB
DFRT
NSQB
DX1T
VSQB
DFXT
RTDB
DV0X
TNDB
DAVOX
SYNCIO
DSKY
METM
CTFL
METS
EPAD
GND
MUTEI
EXRL1
FORV
EXRL2
REFV
TRVI
FANV
RTKI
IDL
SENI
VDL
SEND
ALCL
ASND
THML
T8V
SQLAM
MR8V
SQLAS
SR8V
SQLM
RSTBB
SQLS
RSTBA
GND
ASTB2
DULSA
ASTB1
DULSB
MSTB2
KEY
MSTB1
GND
MCK
LED1
MDAT
LED0
VOXAFE
VOXAF
CIVE
CIV
SPDO
GND
SPDI
GND
J826
C945 0.001
C946 0.001
DSPCK
SCK
DSPR
SDAT
DFRA
SST1
DFXA
SPS0
DX1A
SST2
NSOA
VSQA
DFXS
RTDA
DFRS
TNDA
DX1S
DFRB
DRESL
DX1B
FRWT
DFXB
DFRT
NSQB
DX1T
VSQB
DFXT
RTDB
DVOX
TNDB
DAVOX
SSYNCIO
DSKY
MET_M
CTFL
MET_S
EPAD
MUTI
EXRL1
EXRL2
TRVI
RTKI
IDL
SENI
VDL
SEND
ALCL
TRAS
THML
T8V
SQSA
MR8V
SQSB
SR8V
SQLSM
RSTBB
SQLSS
RSTBA
ASTB2
ASTB1
MSTB2
SKYS
MSTB1
MCK
LED1
MDAT
LED0
SPDIF_OUT
SPDIF_IN
CI_V
DULSA
DULSB
VOXAF
UNLKA
UNLKB
J806
J807
GND
LCLK
GND
R0
R1
R2
GND
R3
R4
R5
GND
G0
G1
G2
GND
G3
G4
G5
GND
B0
B1
B2
GND
B3
B4
B5
GND
HS
VS
DE
UD/RL
GND
NC
NC
GND
GND
LVDD4
LVDD3
LVDD2
LVDD1
GND
CD1#
CFD3
CFD11
CFD4
CFD12
CFD5
CFD13
CFD6
CFD14
CFD7
CFD15
CE1#
CE2#
CFA10
VS1#
OE#
IORD#
CFA9
IOWR#
CFA8
WE#
CFA7
RDY/BSY#
CF_VCC
CF_VCC
CFA6
CSEL#
CFA5
VS2#
CFA4
RESET
CFA3
WAIT#
CFA2
INPACK#
CFA1
REG#
CFA0
BVD2
CFD0
BVD1
CFD1
CFD8
CFD2
CFD9
WP
CFD10
CD2#
GND
+15V
+15V
+15V
GND
GND
GND
-15V
+3R3V
T8V
FORV
REFV
GND
FSTB
CSTB
TDAT
TCK
GND
TDRS
GNDL
ISTA
IKEY
THRI
GND
GND
BPCKA
BPSTA
BPDAT
BPOE
BPSTB
NC
+15V
VDD3R3
T8V
MR8V
GND
GND
NC
+3R3V
DRESH
DSCLA
DSDAA
DDAT
DCK
DSTBA
DSONA
DSAPA
DSCLB
DSDAB
DSTBB
DSONB
DSAPB
+15V
+15V
NC
GND
GND
OCK
ODAT
OCS
OSS2
OSS1
P+8V
P+15V
P+15V
GND
GND
UNLKB
DRES
GND
GND
PDATB
PCKB
GND
GND
C2B1
C2B2
PSTB
PSLB
GND
GND
P+5V
P+5V
T8V
R8V
P+15V
P+15V
GND
GND
UNLKA
DRES
GND
GND
PDATA
PCKA
GND
GND
C2A1
C2A2
PSTA
PSLA
GND
GND
P+5V
P+5V
T8V
R8V
P+15V
P+15V
GND
FORL
REFL
T8V
DRESL
FSTB
CSTB
MDAT
MCK
DRESL
ISTA
IKEY
THRI
MCK
DPSTA
MDAT
DRESH
DPSTB
MCK
DPSTA
MDAT
DRESH
DPSTB
T8V
MR8V
T8V
MR8V
DSONA
DSAPA
DRESH
DSCLA
DSDAA
MDAT
MCK
DSTBA
DSCLB
DSDAB
DSTBB
DSAPB
DSONB
MCK
MDAT
OCS
OSS2
OSS1
UNLKB
DRESH
DRESH
DRESH
PDAT/CON1
PD
AT/CON1
PCK/CON0
PCK/CON0
CON2
CON2
PSTB
PSLB
T8V
T8V
R8V
R8V
UNLKA
PSTA
PSLA
UNLKB
UNLKA
to MAIN unit J142
to speak
er
to DC-DC unit J3
to F
AN
to MAIN unit J451
to SCOPE unit J907
to SCOPE unit J910
to SCOPE unit J909
to SCOPE unit J908
to DC-DC unit J4
to DISPLA
Y
board J203
to MAIN unit J940
to MAIN unit J900
to MAIN unit J901
to CF board J1
to DISPLA
Y
board J202
to CTRL board J1
to BPF unit J1
to DIGISEL unit J10
to OSC unit J2
to RXPLL-B unit J2
to RXPLL-A unit J2
VDD3R3
VDD1R5
VDD3R3
VDD1R5
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD5A
VDD5
VDD3R3A
VDD5A
VDD5
VDD3R3A
VDD5A
VDD5
VDD3R3A
VDD5A
VDD5
VDD3R3A
VDD5A
VDD5
VDD3R3A
VDD1R5
VDD3R3
VDD1R5
VDD3R3
VDD5
VDD3R3
VDD3R3
VDD3R3A
VDD3R3A
VDD3R3A
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD3R3
VDD3R3
R665 10k
TXS
R667 10k
R666 10k
R675 47k
R662 47k
R663 47k
R664 47k
R669 47k
R687 4.7k
R682 4.7k
R677 4.7k
R686 4.7k
R688 220k
R680 4.7k
R681 4.7k
R657 220k
R678 220k
R679 47k
R683 220k
R684 47k
R685 4.7k
R689 4.7k
R690 4.7k
R676 47k
R674 47k
R1041 4.7k
R668 47k
R672 47k
R673 47k
VDD3R3
VDD3R3
R661 47k
R660 47k
R656 4.7k
R659 47k
R658 47k
R1057 0
VDD3R3
VDD3R3
VDD3R3
VDD3R3
+8V
+8V
+8V
+8V
+15V
+15V
+8V
+8V
+8V
RES#
FZTX
H8_RESET#
R691
47k
R1052 0
C819 0.001
C818 0.001
C817 0.001
C816 0.001
C820 0.001
R1053 0
R1054 0
VDD3R3
VDD3R3
VDD3R3
+15V
+15V
LG_RES
SEND
D901 MA742
D805
1SS385
D806
1SS385
R671 47k
R670 47k
R813
10k
L826 SLF6028T
VDD3R3
to LOGIC unit(2)
DO_CLK
DO_R0
DO_R1
DO_R2
DO_R3
DO_R4
DO_R5
DO_G0
DO_G1
DO_G2
DO_G3
DO_G4
DO_G5
DO_B0
DO_B1
DO_B2
DO_B3
DO_B4
DO_B5
FP_HS
FP_VS
FP_DE
LAN_D0
LAN_D1
LED1
LED0
R810
100
R811
100
Q809
DTA114EU
Q808
DTA114EU
to LOGIC
unit(3)IC404
VDD3R3
-
15V
C15V
C15V
C15V
LG_RES
C15V
LG_RES
-15V
-
15V
+5V
+3R3V
+5V
+3R3V
+8V
+8V
+15V
+15V
C15V
+15V
C15V
-
+
-
+
IC851
NJM2058M
IC851
NJM2058M
+5V
+3R3V
+8V
+15V
C15V
C947 0.001
C993 0.0047
C994 0.0047
C995 0.0047
C996 0.0047
C992 0.0047
C991 0.0047
C948 0.001
C949 0.001
C950 0.001
C951 0.001
+15V
-15V
-15V
+5V
+3R3V
+8V
+15V
C15V
TOE
+15V
+15V
+15V
+5V
+8V
+15V
C15V
+8V
C15V
L909 100
µ
+3R3V
+3R3V
R990 1k
R991 1k
R992 1k
R993 1k
R994 1k
R995 1k
R998 1k
R999 1k
R1000 1k
L910
EXCCL3225U
L911 EXCCL3225U
L912 EXCCL3225U
R1003 10
R1004 10
R1005 10
R1006 10
R1007 10
C970 0.001
C969 0.001
C968 0.001
C967 0.001
+5V
+5V
+15V
+15V
PDAT/CON1
PCK/CON0
CON2
T8V
R8V
+5V
LOGIC UNIT (4)
RES#
FA
N
I
+15V
+15V
+15V
8
4
+15V
6
5
7
R822
1k
R821 270
+15V
+15V
+15V
RES#
to LOGIC unit(2)
LOGIC
UNIT
(3)
13
12
14
9
10
8
RES#
JRESI
FZRS
+15V
+15V
+15V
T8V
T8V
MPLAY
SPLAY
MICPLAY
MICREC
VOXAF
RXSREC
RXMREC
to LOGIC unit(3)
to LOGIC unit(3)
GND
GND
GND
to LOGIC
unit(3)
to LOGIC
unit(2)
to LOGIC
unit(1)
PWRS
VDD3R3
to LOGIC unit(3)IC401
FAN
FAN
FAN
FZTX
+15V
SYS_RES#
MTXD1
MRXD1#
CISEL
MTXD2
MRXD2#
EP972
EP996
EP997
EP1001
EP1002
EP973
8
7
6
5
1
2
3
4
IC854
TC7W04F
EP822
EP821
EP826
EP829
EP827
EP828
L1101 EXCCL3225U
R1101 47
EP1101
EP1102
EP1103
EP1104
EP1105
EP1106
EP1107
EP1108
EP1109
EP1110
EP1111
EP1112
EP1113
EP1114
EP1115
EP1116
EP1117
EP1118
EP1119
EP1120
EP1121
EP1122
EP1123
EP1124
EP1125
EP1126
EP1127
EP1128
EP1129
EP1130
EP1131
EP1132
EP1133
EP1134
EP1135
EP1136
EP1137
EP1138
EP1139
EP1140
EP1141
EP1142
EP1143
EP1144
EP1145
EP1146
R1102 47
R1103 47
R1104 47
R1105 47
R1106 47
R1107 47
R1108 47
R1109 47
R1110 47
R1111 47
R1112 47
R1113 47
R1114 47
R1115 47
R1116 47
R1117 47
R1118 47
R1119 47
R1120 47
R1121 47
R1122 47
R1123 47
R1124 47
R1125 47
R1126 47
R1127 47
R1128 47
R1129 47
R1130 47
R1131 47
R1132 47
R1133 47
R1134 47
R1135 47
R1136 47
R1137 47
R1138 47
R1139 47
R1140 47
R1141 47
R1142 47
R1143 47
R1144 47
R1145 47
R1146 47
range: input impedance
200mV: 100M
Ω
2V: 11M
Ω
20V,200V,1000V: 10M
Ω
MESUREMENT CONDITIONS
SCOPE ATT: 0dB
voltage at RX(no instruction)
frequency: 14.1 MHz
mode: J3E(USB)
Digital tester
ANT(RX): no input
(TX): no modulation
3.15V
3.15V
1.92V
FAN ON: 1.49V
OFF: 20.9mV
TX: 8.13V
RX: 0.0V
TX: 3.18V
RX: 0.0V
TX: 0.0V
RX: 7.97V
TX: 0.0V
RX: 8.19V
TX: 0.1V
RX: 8.82V
TX: 3.18V
RX: 0.0V
TX: 8.82V
RX: 0.1V
TX: 0.1V
RX: 8.82V
TX: 0.0V
RX: 3.18V
15.0V
0.02V
0.0V
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 ...