Icom IC-706MKIIG Service Manual page 82

L301
LW-25
R302
L302
100
E544GN-110248
03
C304
047
1p
R321 R323
330
4.7k
Q301
R322
2SK508
10k
Q321
2SC4213
L331
R325 10k
LW-25
R332
L332
100
E544GN-110254
33
C334
047
1p
R351 R353
150
4.7k
Q331 R352
2SK508
10k
Q351
2SC4213
R355 0.0047
W301
R361
68
Q361
C368
2SK508
1p
R381
Q381
330
2SC4213
R382
10k
C414
10
IC461
LMX2306TM
1
16
FLO VP
2 15
CPO
VCC2
3 14
GND
FD/LD
4 13 R462 1k
GND
LE
5
12 R464 1k
FIN
DATA
6
11 R463 1k
FIN CLOCK
7
10
VCC1 CE
8 9
OSCIN
GND
R951
2k
R953
2k
R955
2k
R957
2k
22
DA8
21
DA7
20
R959
DA6
19 2k
DA5
18
VSS
17
1
DA4
287
16
R961
DA3
15
2k
DA2
14
DA1
13
DA0
12
R963
VSS
2k
R965
2k
R967
2k
R969 R970
2k 2k
8V
3.3 V
L391 10uH
C391 3.9 V
Q391
22
2SC4116
D302
MA77
0.03—29.999999 MHz
60.0—128.999999 MHz
CONNECT PHONE:0 V
R324
NO CONNECT PHONE:4.8 V
1k
VCO1
R502
Q322
4.7k
DTN144EU
Q362
L367 10uH
2SC4116
3.3 V
C373
100
D332
R365
MA77
10k
Q352
DTN144EU
3.9 V
R354
1k
VCO2
30.0—59.999999 MHz
129.0—199.999999 MHz
CONNECT PHONE:0 V
NO CONNECT PHONE:4.8 V
D362
MA77
5V
Q851
R853
L382
DTA114EU
1k
100uH
8V
5V
D531
L531
MA717WK
LR-317
R532
C537
0.0047 39
59.999999—470.0 MHz
CONNECT PHONE:0 V
NO CONNECT PHONE:4.8 V
L600
100uH
X621
CR-275A
1.8 V
R605 Option
47k
R604
1k
L601
LB-146
L623
L642
R641 L641
LS-508
220 3.3uH 3.9uH
C642 C644
2p 0.75p
5V
R501
33
2.0 V 7.7 V
D731
L711
C512
R517 MA862
82nH
0.0047 18
1 4
C514
2 3
0.0047
Q10
2SC4405
1.3 V
L741
56nH
D511
MA77
R523
1k
4
3
D862
DAN202U
2
5
1
D761
Q521
1SV237
UMC3N
2 3
1 4
C542
0.0047
R791
1k
C801
22p
R537
270
D864
MA2S111
R539
270
5
C541
0.0047
W592 C822
1
4
12p
D821
2 3 5
1SV308
IC541
uPC2710
8V REF
D861
1SV237
C862
2 3
10p
1 4
C625
Q621
0.0047
2SC4403
R681
100
R623
C624
Q681
56p 470
2SC4403
1.1 V
C665 R666
0.0047
150
1.8 V
C981
2.7 V
C662 18p
Q661
0.0047
2SC4403
C983
18p
3.5 V
R701
1k
LOF1
D701
MA862 4 3 0.03—29.999999 MHz
CONNECT PHONE:4.9 V
NO CONNECT PHONE:0 V
L712 L713
1 2
0.1uH 82nH
C714
C712
10p 7p
R731
1k LOF2
D732
MA862
3 4
30.0—59.999999 MHz
CONNECT PHONE:4.9 V
NO CONNECT PHONE:0 V
L742 L743
1 2
68nH 68nH
C881
82p
C742 C744
9p 5p
L882 R892
C883
10nH
82p 39
C886
4p
LOF3
C773 L781 L782
R825
47nH 33nH
15p
10k
3 2
4 1
C771
C782 C784
12p
3p 8p
D752
1SV237
LOF4
129.0—143.999999 MHz
148.000001—199.999999 MHz
CONNECT PHONE:4.9 V
L811 L812
C803 C805
NO CONNECT PHONE:0 V
27nH 33nH
10p 18p
C812 C814
6p 2p
LOF5
144.0—148.0 MHz
CONNECT PHONE:4.9 V
C823 L823
L824
NO CONNECT PHONE:0 V
10p 27nH 39nH
C824 D822
C831 C828
8p
1SV308
12p 4p
LOF6
C863 L871
L872
5p 12nH 15nH
C864 D851
C874 C872
8p
1SV308
1.5p 0.5p
C684
7.5 V
L682
1p
LS-509
1.3 V
L681
LS-509
L991
L992
12uH 15uH
C992 C994
5p 2p
MEASUREMENT CONDITIONS
SUPPLY VOLTAGE:13.8 V
14.1 MHz USB
DIGITAL MULTIMETER :50 k‰/V
COMPLETE VIEW
1LO
P891
J891
MAIN (1)
J281
0.03—29.999999 MHz
CONNECT PHONE:4.9 V
NO CONNECT PHONE:0 V
2LO
P681
J681
MAIN (3)
J551
BFO
J991 P991
MAIN (3)
J791
PLL