Icom IC-7800 Service Manual page 156

8-21 SCOPE UNIT
• TOP VIEW
V0 V5 V10 V15 V20 V25 V30 V35 V40 V45 V50 V55
FI201
Q201
R204
C845
L103
C843
C102 C103 R851 R859 C853
D101
R104
C849
L851
Q101 R848 R852
Q872 C855
R841 C829
R821
C15 R846
L823
C826
L10 L9
Q841
R860
R766 Q821
Q2 C827
C831
R822
R764 C830
R8
R7
C16
L7
C822
C823
L11
C805
C862 C803 R814
R11
R808
L14
IC801
C813
L4 C44
Q1
C42
R6
C7 C9
C8
D3
D2
R701
Q810 R704
R811 C810 R813
C5 R810
C703
C6
C701
L1
C4
R702
R705
Q11
C21
D1
C36 R16
R51
R17
R54 R38 L720
R14
C722
C32 C720
C51 R39
C35
C1 C730 C731
C40
C37 C2
C52 R742
R18
C34
R55 C39 R737 R738
R21
R35
R37 R748
R20
C38
R36
C769
Q33
L764 IC820
R767 C767
L763
R729
C766 C765
C734 C750 C740 C737
R721
C727
L761
R722
C762
C726
C761 C725
L722
L56
R62 R64
J4
2 30
J4
1 29
to the MAIN unit J410
8 - 19
V60 V65 V70 V75 V80 V85 V90 V95 V100 V105 V110 V115
C420
R301 R413
C401 C421
IC401
R307
C303
C55
R306
R856 C304
C302 R305
IC2
R861 R308
IC403
C57
C433 C422 R415
R434 D403
R429 R416
R428
C428
C431
R433
IC405
R432 R956
R427
C833 R435
R421 C434
R420
D401
Q923
R437 R438
R425
C54
C429 C426
L53
R419
R426 R955
L54 Q922
C507 C523
L501
Q921
IC505
C505
C509 C521
J903
R505 C506
C504
C664 R611
R612 C660
C663
R610
FI501
R617
R636
R634 C632 C630 C631 R616
EP903
EP904
R609
J908
C913 C912 C911
IC903
C915
C633
C634
C639
IC904
C213
R210 C216
C215
L902
J906
SAD
from the RXPLL-B unit J601
2 10
J906
1 9
to the MAIN unit J411
V120 V125
J909
GND 1
RED
RGND
GREEN
GGND
to the LOGIC
BLUE
unit J803
BGND
HC
SGND
VSYNC
GND 11
J907
GND 9
NC
NC
RX-
to the LOGIC
NC
unit J802
NC
RX+
TX-
TX+ 1
J908
to the LOGIC
unit J804
5 1
J910
GND 8
GND
MRXD2#
MTXD2 to the LOGIC
unit J825
CISEL
GND
MRXD1#
MTXD1 1