Icom IC-706MKIIG Service Manual page 83

• PLL UNIT
P251 EP2 J251
5V
AFI
AFIE
AFOE
AFO
MAIN (3) R131
J1431 12k
ULD
J252
ESPD
ESPD
ESPE DRES
ESPE
L48 10uH
POWS
GND Q141
GND DTA114EU
L44 EXCCL3225U
14V R141
PA
1k
14V LOF5
J621
L1000
14V
0.1uH THER
THEA
GND
8V
8V
2HBL
HV
Q142
DTA114EU
R142
1k
LOF4
Q143
DTA114EU
Q251 R143
J253 1k
R263 DTA144EU LOF3
1k
DAES VCO1
DINT
INST
DOT
ICK
Optional
5V
unit
DSPS
GND
Q144
GND DTA114EU
C224 47p
GND R144
1k
LOF2
C221 0.0047
C225 47p
C222 47p
Q145
DTA114EU
C220 47p
R145
LOF1 1k
C1004 0.001
5V
J254
H5V
DRES
PDST
CON2
CON1
CON0
3.9 V
PCK
POT
C202
PBST
0.47
PCE
MLLV
SPS
AFGC
C203 R203
MAIN (3) 5V 0.1 10k
J1381 DSCP
R205 R206
UL
1 1k
AFBP
8V
8V
POWS
AAF
IC281
GND
13.2 V
TA7808S
DINT
ICK I
G
IMST
DDT
FSKK
14V CP282
14V R264
1k
HV
H5V
IC271
D271 12.7 V
TA78L05F
MA114
I
G
14V
LEFT SIDE
10 - 8
L30 100uH C2 30p
R135 1k C5 150p R13 100k
Q1
CP131 L1
R133 C133 2SK210
LB-343
100 1
C14
C52 150p
2.5 V
0.0047 R72 R73
220 68k
FI71
R76 L71
R54
SFECV10.5MA-5
68k 47 4.7uH
W993
Q51
Q71
2SC4081
2SC4081
0.65 V
0.65 V C51
0.0047
C101 0.1 C109 0.1
C108 0.1
C102 0.1
C107 0.1
C103 0.1
51 25
VSS VDD
52 24
PD2 VDD
53 23
PD1 TE3
54 22
PD0 TE2
55 21
VSS TE1
56 20
PDTRI VSS
57 19
VSS DA11
58 18
VDD DA10
59 17
REFOSC DA9
60 16
RC DA8
61 15
FCK DA7
62 14
VDD DA6
63 IC101 13
VSS SC-1246 VDD
64 12
O12MA VSS
65 11
O4MA DA5
66 10
VSS DA4
67 9
VDD DA3
68 8
ETCO7 DA2
69 7
ETCO6 DA1
70 6
ETCO5 DA0
71 5
ETCO4 VDD
72 4
ETCO3 VSS2
73 3
ETCO2 VSS
74 2
ETCO1 SYSCLK0
75 1
ETCO0 VSS
2.4 V
R161 Q161
C163 L163
330
2SC4403 0.0047 0.22uH
0.75 V
5V
AF GAINCENTER:2.2 V 13.5 V D231
DAN222
14V
C201 10
C206 10
L231 LR-270
IC201
0.85 V
R201 M5282FP
4.4 V
47k
C208 R232 C232
1 10
VCC2 VCC 1 10k 0.47 5 C238 0.0047
2 9 1
4
IN+ VCAOUT
3 8 2
CTL
IN-
R204 220k 4 7 3 C236
OUT VCAIN 470
C204 220p 5 6
GND NC R231
IC231
100k
6.4 V
C205 LA4425A
RL231
0.47 C207 0.47
SY-12-K
CP281
4.4 V
R931
4.7k
8V
O
8.0 V
THER
R285
FSKK
1k
C941
0.0047
5.0 V
IC291
10.8 V
5.0 V TA7805F
D931 R932 Q931
5V
MA2S111 33k 2SC4081
O I O
G
R12 100 R11 47 8V
L303 C301 L301
LW-25 470p LW-25
R302
C308 L302
C22 100
E544GN-110248
C21 R21 0.1 R41 150p
3p
47k 15
C303
C304
0.0047
C31 1p
0.0047
D301 R321
2.8 V
KV1470 330
Q21
Q301
2SC4081 2SK508
0.65 V
C75
0.0047 Q321
2SC4213
R170
2k R356 L333 C331 L331
68 LW-25 150p LW-25
R172
R332
2k L332
100
E544GN-110254
R174
C333
2k C334
0.0047
1p
R176 D331 R351
2k 150
KV1470
Q331
2SK508
R178
2k
Q351
R180
2SC4213
2k
R182
2k W301
R361
R184
68
2k
Q361
C368
2SK508
1p
R186
2k
R381
L354 L356 330 Q381
R188
2.2uH C-13975-4.5 2SC4213
2k
C375
R190
0.001
2k
R192
2k
L411
R411 C414
LR-270
100 10
R491
100
R493 100k 5V
Q491
2SK880
R461
CP401
100k
IC461
Q461 LMX2306TM
DTA144EU
1 16
FLO
VP
2 15
CPO VCC2
3 14
GND
C465 FD/LD
4 13 R462 1k
0.01 GND
LE
5 12 R464 1k
FIN
DATA
30MHz 6 11 R463 1k
FIN
CLOCK
7 10
VCC1
CE
8 9
OSCIN
GND
8V
CONNECT PHONE:4.8 V
NO CONNECT PHONE:0 V R951
2k
Q232
DTC114EU
SPS
R953
2k
R955
D261
2k
DAN222
ULP
ULD R957
2k
34 22
VSS
Q261 DA8
35 21
DTC114EE C902 UL
DA7
36 20
0.1 P1 R959
DA6
37 19 2k
TREE
DA5
38 18
P2
VSS
39 IC901 17
VDD
DA4
40 SC-1287 16
VSS R961
DA3
41 15 2k
STRB
DA2
42 14
DATA DA1
43 13
CON CLK DA0
R942 44 12
R963
18k VDD VSS
2k
Q941
C903
2SC4403
0.1 R965
2k
R967
0.75 V 2.4 V
2k
R969
2k
8V
5V
3.3 V
L391 10uH
R501
C391 3.9 V
Q391 33
22
2SC4116
D302
2.0 V 7.7 V D731
MA77
C512 R517 L711 L712
MA862
0.0047 82nH 0.1uH
18
R323 0.03—29.999999 MHz 1 4
4.7k C514
60.0—128.999999 MHz 2 3
CONNECT PHONE:0 V 0.0047 C712
R322 R324
10k 1k NO CONNECT PHONE:4.8 V 10p
VCO1
Q10
2SC4405
R502
Q322
DTN144EU 4.7k
1.3 V
L741 L742
Q362
R325 10k 56nH 68nH
L367 10uH
2SC4116
C742
3.3 V
C373 9p
D511
100
MA77
D332
R365
MA77
10k R523
1k
R353 Q352 4
4.7k
DTN144EU
3.9 V
R352 R354
10k 1k
VCO2
3
D862
DAN202U
5 2
1
R355 0.0047 D761
30.0—59.999999 MHz Q521 1SV237
129.0—199.999999 MHz UMC3N
2 3
CONNECT PHONE:0 V
1 4
NO CONNECT PHONE:4.8 V
D362
MA77
C542
5V 0.0047
R791
Q851
R853
R382 L382 DTA114EU 1k
10k 100uH 1k
C801
22p
R537
270
8V
D864
5V
MA2S111
R539
D531
L531
270
LR-317 MA717WK
R532 C541 5
C537
0.0047 39 0.0047
W592 1 4 C822
12p
2 3 5 D821
1SV308
IC541
uPC2710
59.999999—470.0 MHz
CONNECT PHONE:0 V
NO CONNECT PHONE:4.8 V
8V REF
D861
L600
1SV237
100uH
C862
2 3
X621 10p
1 4
CR-275A 1.8 V
R605
Option
47k
R604
C625
1k Q621
0.0047
2SC4403
R681
100
7.5 V
L601
LB-146
C624 R623
56p 470 Q681
2SC4403
1.1 V
C665 R666
0.0047
150
L623
R641 L641 L642 1.8 V
LS-508
220 3.3uH 3.9uH
C981
2.7 V
C642 C644 C662 18p
Q661
0.0047
2p 0.75p 2SC4403
C983
18p
3.5 V
R970
2k
R701
1k LOF1
D701
MA862 4 3 0.03—29.999999 MHz
CONNECT PHONE:4.9 V
NO CONNECT PHONE:0 V
L713
82nH 1 2
C714
7p
R731
1k
LOF2
D732
MA862
3 4
30.0—59.999999 MHz
CONNECT PHONE:4.9 V
NO CONNECT PHONE:0 V
L743
68nH 1 2
C881
C744 82p
5p 1LO
C883 L882 R892
J891 P891
10nH
82p 39
MAIN (1)
J281
C886
4p
LOF3
C773 L781 L782
R825
15p 47nH 33nH 10k
3 2
4 1
C771 C782 C784
0.03—29.999999 MHz
12p
3p 8p CONNECT PHONE:4.9 V
D752
NO CONNECT PHONE:0 V
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
10p 18p 27nH 33nH
C812 C814
6p 2p
LOF5
144.0—148.0 MHz
CONNECT PHONE:4.9 V
C823 L824 L823 NO CONNECT PHONE:0 V
10p 27nH 39nH
C824 D822
C831 C828
8p 1SV308
12p 4p
LOF6
C863 L872 L871
5p 12nH 15nH
C864 D851
C874 C872
8p
1SV308
1.5p 0.5p
C684
2LO
L682
1p
LS-509 J681 P681
MAIN (3)
J551
1.3 V
L681
LS-509
BFO
J991 P991
MAIN (3)
L991 L992
J791
12uH 15uH
C992 C994
5p 2p
MEASUREMENT CONDITIONS
SUPPLY VOLTAGE:13.8 V
14.1 MHz USB
DIGITAL MULTIMETER :50 k‰/V
PLL
RIGHT SIDE