Icom IC-7000 Service Manual page 90

DDS UNIT (2)
5V
8V_
PRES#
BUS LINE1
3R3V
L901 IC901
100µ
CD74HC4094PW
LOST R901 1k 1 16
STROBE VCC
PDT R902 1k 2 15
DATA OE
PCK R903 1k 3 14 LOF3
CP Q4
DBRS 4 13 LOF4
Q0 Q5
LOF0 5 12 LOF5
Q1 Q6
LOF1 6 11 LOF6
Q2 Q7
LOF2 7 10
Q3 QS2
8 9
GND QS1
Q901
BCR08PN
6 1
5 2 DBRS
4 3
Q902
BCR08PN
6 1
5 2 LOF0
4 3 BLF0
Q903
BCR08PN
6 1
5 2 LOF1
R458
4 3 BLF1
220
Q904
BCR08PN
DDS
UNIT (1)
6 1
5 2 LOF2
4 3 BLF2
Q905
BCR08PN
6 1
5 2 LOF3
4 3 BLF3
Q906
BCR08PN
6 1
R313 120
5 2 LOF4
4 3 BLF4
R305 120
Q907
BCR08PN
6 1
5 2 LOF5
4 3 BLF5
Q908
BCR08PN
6 1
5 2 LOF6
4 3
BLF6
d
BUS LINE2
2LO
2LO
Explanatory notes
VOLTAGE LINE
C458
0.001
IC451
µPC1678GV
C457 R453 C454 L464
0.001 18 0.001 0.1µ
1 8
IN VCC
2 7
GND GND
3 6
GND GND
4 5
GND OUT
D451 R464 D454
1SV307 100 1SV307
R456
0
R468
R462
82
ERJ3GE - JPW
L456 D456
LR-317 MA717WK
D452 L466 C451 C463
1SV307 33n 47p 47p
C471
5p
C466
4p
R469
100
L471 D471
LR-317 MA717WK
D453 C474
1SV308 0.001
C479
0.0047
C413
22p
IC401
µPC2709T
L401
C411 1.0µ
6
22p
VCC
5
GND
4
OUT
L301 L302 D301
LR-317 LR-317 MA717WK
C341
47p
D341
1SV308
L321 L322
0.1µ 0.1µ
D801 C802 C804 C807 C809 L806
1SV307 7p 4p 3p 4p 6.8n
C811
7p
Q301
DTC114EU
C839 0.0047
D501 C501 C503
1SV307 39p 27p
EP451
C459 L467 L468
0.001 12n 18n
D551 C551 C553
1SV307 27p 27p
C469
3.5p
D601 C601 L602
1SV307 0.0047 47n
C603
3p
C481 C473 D458
3p 4p 1SV307
C617
0.0047
R604 100
D651 C651 C653
1SV307 10p 7p
R474 C475 D459
39 0.001 1SV307
D701 C701 L702
1SV307 0.001 33n
C703
0.75p
C401
0.001
1
IN
2
GND
3
GND
D751 C751 C753
1SV307 7p 5p
C342 L331 L332
47p 47n 47n
IC801
µPC1678GV
L807 L808 C816 R806 C824
12n 0.1µ 0.001 82 7p
1 8
IN VCC
2 7
GND GND
3 6
GND GND
C813
4 5
2p GND OUT
C504 L504 L505 L506 R506 C512 D502 C851
0.0047 56n 68n 68n 82 0.0047 1SV307 0.0047
C506 C508 C510
10p 6p 2p
1LO<124.8264MHz>
C554 L554 L555 L556 R554 C562 D552
0.0047 47n 47n 33n 39 0.0047 1SV307
C556 C558 C560
2p 7p 12p
0.03
L603 L604 C604 C605 C613 C614 D602
39n 27n 12p 10p 10p 15p 1SV307
C607 C609
8p 15p
30.0
C655 C657 L654 L655 L657 C664 D652
8p 12p 39n 39n 33n 0.001 1SV307
C658 C659 C663
1p 3p 5p
60.0
L703 L704 C709 C711 C713 C715 R705 C717 D702
33n 27n 7p 5p 5p 12p 56 0.001 1SV307
C705 C707
2p 4p
115.513
C755 C757 L755 L756 L757 R756 C765 D752
5p 8p 27n 27n 22n 56 0.001 1SV307
C759 C761 C763
0.5p 2p 3p
148.000001
C826 C828 C830 L815 L816 C838 D802 L853
4p 3p 4p 6.8n 12n 0.001 1SV307 0.12µ
C832 C834
7p 2p
C840
R810 100k 0.001
R841 120 C841 0.001
11 - 14
CP852
CP851
R853
J851
to
18
1LO
MAIN
unit
J401
CP152
J151
to
MAIN
unit
J801
BLF0
29.999999MHz
-
BLF1
- 59.999999MHz
BLF2
- 115.512999MHz
BLF3
- 148.0MHz
BLF4
199.999999MHz
-
BLF5
400 - 470MHz
BLF6