Icom IC-7800, Service Manual Addendum

Page: 214 / 555

Aug. 2008
57
SECTION X BOARD LAYOUTS
C2 C4 C5 C6 C7 C8 C9
C10 C12 C14 C15 C16 C17 C18 C19 C20
C25
C26
C28 C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
C40 C41
C42
C43
C44
C45
C46
C51
C51
C57
C58
C61
C62
C69
C101
C103
C106
C108
C110
C113
C115
C116
C117 C118
C120
C121 C122
C123
C124
C125 C126
C127
C128
C129 C130
C131 C132
C133
C134
C135
C136
C140
C141
C142
C143
C144
C145
C151
C152
C180
C181 C182
C183
C184
C185
C186
C187
C188
C189
C190
C191
C192
C193
C194
C195
C196
C197
C198
C200
C201
C203
C204
C206
C207
C208
C210
C211
C212
C213
C214 C215 C216
C217
C220
C221
C222
C223
C225
C226
C230
C231
C233
C234
C235
C241
C242
C243
C244
C249
C250
C251
C260
C261
C290
C291
C310
C311
C330
C331
C332
C333
C344
C351
C352
C364
C384
C400
C403
C404
C405
C406
C407
C408 C409
C410
C412
C415
C440
C441
C442
C451
C460
C461 C464
C467
C469
C470
C492
C493
C497
C498
C501 C502
C503
C505
C506
C507 C508
C509
C510 C511
C512
C513
C514
C515
C516
C517
C518 C519
C520
C521
C524
C525
C539
C540
C544
C545
C548
C550
C558
C559
C560
C561
C563
C576
C582
C583
C681 C682
C683
C684
C685
C686 C687
C688 C689
C690 C691
C692
C693
C694
C695
C696
C697
C698
C699
C700
C701
C702 C703
C704 C705
C706 C707
C708
C709
C710
C711
C712
C713 C714
C715
C716
C717
C718 C719
C720 C721
C722 C723
C724
C725
C726
C727
C728
C729 C730
C731
C732
C733
C734 C735
C736 C737
C738 C739
C740
C741
C742
C743
C744
C745
C747
C749
C750
C751
C755
C756
C758
C759
C760
C761
C801
C802
C804
C807
C813
C814
C816
C817
C818
C819
C820
C821
C822
C823
C824
C825
C826
C827
C828 C829
C830
C831
C832
C833
C834
C835
C836
C837
C838
C845
C846
C847
C902 C904 C906 C908
C922 C924 C926 C928 C930 C932 C934 C936
C946 C948 C952 C954
C958
C974 C976 C978
C980
C981
CP81
CP82
CP495
CP495
CP496
CP496
D51 D52
D241
D351
D505
D506
D611
D612
D613
D614
D615
D616
D617
D618
D619
D620
D801 D802
D820
EP403 EP404
EP408 EP409
EP414
EP417
EP421
F1 F2
FI501
FI502
FI503
IC1
IC2
IC3
IC4
IC5
IC100 IC101
IC102
IC104
IC105
IC140
IC180
IC181
IC182
IC191
IC192
IC201
IC210
IC230
IC250
IC251
IC260
IC261
IC290
IC291
IC310
IC311
IC330
IC331
IC460
IC495
IC501
IC502
IC503
IC550
IC820
IC821
J1
J2 J3 J4
J5
J6
J7
J8
J9
J140
J141
J142
J340
J341
J360
J361
J380
J381
J399
J400
J401
J403
J404
J410
J411
J430
J440
J450
J451
J490
J491
J492
J495
J496
J501
J502
J503
J801
J802
J808
J900
J901
J940
L4 L7
L14
L17
L54
L140
L141
L142
L143
L180
L181
L201
L210
L250
L290
L400
L405 L406 L407
L410
L412
L440 L441
L451
L451
L452
L453
L456
L501
L502 L503
L504
L505
L507
L508
L509 L510
L512
L513 L514
L515
L516
L517
L518
L519
L521 L522
L527
L528
L626 L627
L628
L629 L630
L631 L632
L633
L634 L635
L636 L637
L638
L639 L640
L641 L642
L643
L644 L645
L646
L647
L648
L649
L650
L651
L801
L803
L820
L821
L822
MP502
MP511
Q8
Q9
Q52
Q60
Q61
Q62
Q63
Q64
Q100 Q101
Q131
Q132
Q140
Q143
Q351 Q352
Q474 Q476
Q502
Q503
Q507
Q508
Q801
Q804
Q805
Q806
Q808 Q809
Q810
R16 R17 R18 R19 R20 R21
R22
R23
R24
R25
R26
R27
R28
R29
R30
R31
R32
R34
R35
R36
R37
R38
R39
R40
R41
R42
R43
R44
R45
R46
R50
R54 R55 R56
R57 R58
R59
R69
R73
R75 R76
R78
R79
R80
R81
R82
R87
R88
R89
R93
R98
R100 R101 R102
R103
R104
R105 R106 R107
R108
R109
R110 R111
R113
R114
R115
R116
R117 R118
R123
R124
R125
R126
R127
R128
R129
R133
R134
R135
R136
R137
R139
R140
R145 R146
R147
R151
R154
R155
R156
R157
R158
R159
R160 R161
R162 R163 R164 R165 R166
R167 R168
R169 R170 R171 R172 R173
R174
R176
R183
R184
R185
R186
R187
R188
R191
R192
R193
R194
R195
R196
R197
R198
R199
R201
R202
R203
R204
R208
R211
R212
R213
R218
R221
R222
R223
R228
R230
R231
R232
R233
R234
R235 R240
R241
R242
R243
R244
R245
R246
R247 R248
R249
R330 R331
R342
R351
R352 R353
R362
R381
R400 R402 R403 R404 R405
R410
R414
R416
R418
R420
R422
R423
R462
R463
R466
R468
R469
R470
R471
R472
R474
R476
R485
R487
R493
R494
R495
R496
R501
R502
R503
R504
R505
R506
R507 R508 R509
R510
R511
R513
R514 R515
R516 R517
R534
R537
R538
R549
R550
R551
R559
R560
R561
R563
R564
R566
R570
R572
R574
R584
R606 R607 R608 R609
R610
R611
R612
R613
R614
R801
R805 R806
R807
R810
R811
R812
R813
R814
R815
R816
R817
R820
R821
R822
R823
R824
R825
R826
R827
R828
R829
R830
R831
R837
R838 R839
R840
R841
R851
R852
R900 R902 R904 R906 R908 R910 R912 R914 R916
R918
R920 R922 R924 R926 R928 R930 R932 R934 R936
R938
R940 R942 R944 R946 R948 R950 R952 R954 R958
R960 R962 R964 R966 R968 R970 R972 R974 R976 R978
RL50
RL140
RL141
DSP-B
J400
J451
DSP-A
J492
5
C494
DIP
J440
6
MR8V
TO FRONT J2 TO LOGIC J810
TO MF1(CHASSIS)
TO RXPLL-A J1701
TO DC-DC J2
J403
J410
J430
TRV
YGR
DACK
DSP-TX
4
7
B5969J
J900
J940
SR8V
TO LOGIC J809
TO LOGIC J808
RXPLL-B J681
TO
TO PA200W J1
TO RXPLL-B J1701
TO BPF J107
TO SCOPE J4
RXPLL-A J421
TO PA200W J2
50M
J404
J401
J142
1
TO LOGIC J822
TO RX PLL-A J1501
TO
RXPLL-B J1501
AM
T1LO
J411
R538
R79
R81
R82
R69
TSCP
T2LO
T3LO
2A
REF IO
J901
2
3
F3
TO
TO SCOPE J11
TO RXPLL-A J561
TO OSC J71
TO LOGIC J826
TO SCOPE J906
TO RXPLL-A J681
R93
CP82
CP81
FOR
H0 H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70 H75 H80 H85 H90 H95 H100 H105 H110 H115 H120 H125 H130 H135 H140 H145 H150 H155 H160 H165 H170 H175 H180 H185 H190 H195 H200 H205 H210 H215 H220 H225 H230 H235 H240 H245 H250 H255 H260
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
V50
V55
V60
V
65
V70
V75
V80
V85
V90
V95
V100
V105
V110
V115
V120
V125
V130
to the SCOPE unit J11
SCPT
from the RXPLL-A unit J561
from/to the OSC unit J71
S/P DIF
OUT
from the RXPLL-A unit J681
S/P DIF
IN
REF
I/O
EXT
KEYPAD
EXT-SP
SUB
EXT-SP
MAIN
DC OUT METER KEY
RELAY ALC
SUB ACC (2) SUB ACC (A) MAIN ACC (2)
MAIN ACC (1)
T2LO
REF IO
T3LO
GND 4
1
to the LOGIC
unit J826
J901
SPDI
GND
SPDO
CIVE 1
9
to the SCOPE
unit J906
2
10
J411
CIVE
CIVE
CV15V
LED1
CIV
VDD5
NC
LED0
GND
GND 5
1
to the PA200W
board J2
J430
PAT8
IDL
IDH
THML
DGND 1
29
to the SCOPE
unit J4
2
30
J410
DSPCK
DFXS
DXIS
SYNCIO
SDAT
SST1
SST2
+3R3V
-12V
+5V
AGND
+8V
SATT
SSA
DRES
SDR1
DFRS
FRWT
DGND
SCK
SPSO
AGND
+3R3V
+3R3V
AGND
T8V
SMUT
SSB
AGND
GND
1
to the RXPLL-B unit J1701
15
2 16
J403
MD
A
T
GND
+8V
A
GCOB
NC NC
+15V
MSTBB
MCK GND
A
GCIB
+3R3V
-
12V
+15V GND
2
to the LOGIC unit J808
40
1
39
J940
GND
METS
METM
SYNCIO
TNDB R
TDB
VSQB
NSQB
DFXB DX1B DFRB TND
A
RT
D
A
VSQA
NSQA
DX1A DFXA DFRA DSPR
DSPCK
MUTEI
EP
AD
CTFL
DSKY
DA
VO
X
DV
O
X
DFTX
DXIT
DFR
T
FR
WT
DRES
RXIS
DFRS DFXS
GND
SST2
SPSO
SST1 SD
A
T
SCK
40
39
2
to the LOGIC unit J809
1
J900
CIVE
V
O
XAFE
MADT
MCK
MSTB1 MSTB2
ASTB1 ASTB2
RSTBA RSTBB
SR8V MR8V
T8V
ASND SEND
SENI R
TKI
TR
VI
EXRL2 EXRL1
CIV
V
O
XAF
LED0 LED1
GND
KEY
DULSB DULSA
GND
SQLS SQLM
SQLAS
SQLAM
THML
ALCL
VDL
IDL
F
ANV
REFV FOR
V
8
to the VR-A board J2
1
J440
AFE AFO PHE
PHOM
PHE
PHOS
MICE
MICI
13
to the LOGIC unit J810
1
J451
GND
MICPLA
YE
MICPLA
Y
MICRECE
MICREC SPLA
YE
SPLA
Y
MPLA
YE
MPLA
Y
RXSRECE
RXSREC
RXMRECE
RXMREC
2
to the CHASSIS
unit MF1
1
J492
DF
AN
GND
1
to the DSP-B board J961
29
2 30
J361
GND1B
MCLK
DSPCK
DSPR DFRB VSQB
DSPCK
DX1B DFXB
GND1B
D3R3V
GND1B
D1R2V_B D1R2V_B
GND1B
GND1B GND1B
DRES R
TDB
NSQB
DULSB
GND1B
TNDB FR
WT
GND1B
D3R3V
GND1B
D1R2V_SENS_B D1R2V_B
GND1B
30
2
to the DSP-TX
board J961
29
1
J381
GND1T
GND1T
D1R2V_SENS_T
D1R2V_T
GND1T
D3R3V
GND1T
FRWT
DVOX
DAVOX
CTFL
DSKY
DRES
GND1T
GND1T
GND1T
GND1T
D1R2C_T
D1R2V_T
GND1T
D3R3V
GND1T
DFXT
DX1T
DSPCK
DFRT
DSPR
DSPCK
MCLK
GND1T
1
to the DSP-A board J961
29
2 30
J341
GND1A
MCLK
DSPCK
DSPR DFRA VSQA
DSPCK
DX1A DFXA
GND1A
D3R3V
GND1A
D1R2V_A D1R2V_A
GND1A
GND1A GND1A
DRES RT
D
A
NSQL
DULSA
GND1A
TND
A
FR
WT
GND1A
D3R3V
GND1A
D1R2V_SENS_A D1R2V_A
GND1A
1
12
to the DC-DC
unit J2
J450 GND
VDD5
GND
+3R3V
+3R3V
+3R3V
+5V
+8V
+15V
+8V
-12V
GND
1 2
to the LOGIC
unit J822
J142
SPE SPO
to the RXPLL-B
unit J1501
1 3
J404
DIFB
NC
GND
GND
1
to the RXPLL-A
unit J1701
15
2 16
J400
MD
A
T
GND
+8V
A
GCO
A
NC NC
+15V
RSTBA
MCK GND
A
GCIA
+3R3V
-
12V
+15V GND
1 21
to the DSP-A board J960
2 22
J340
IFIN_A
GND
A
GCOUT_A
GND
+A5V
A
GND
-
12V
GND
+D5V
A
GND +15V
A
GCDET_A
GND
AFOUT_A
GND
+A5V
A
GND -
12V
GND
+D5V
A
GND +15V
1
to the DSP-B board J960
21
2 22
J360
IFIN_B
GND
A
GCOUT_B
GND
+A5VB
GND
-
12V
GND
+D5VB
GND +15V
A
GCDET_B
GND
AFOUT_B
GND
+A5VB
GND
-
12V
GND
+D5VB
GND
+15V