Icom IC-706MKIIG Service Manual page 81

• PLL UNIT
P251 EP2 J251
AFI
AFIE
AFOE
AFO
MAIN (3)
J1431
J252
ESPD
ESPD
ESPE
ESPE
L48 10uH
POWS
GND
GND
L44 EXCCL3225U
14V
PA
14V
J621
L1000
14V
0.1uH
THEA
GND
8V
8V
2HBL
HV
Q251
J253
R263 DTA144EU
1k
DAES
DINT
INST
DOT
ICK
Optional
5V
unit
DSPS
GND
GND
C224 47p
GND
C221 0.0047
C225 47p
C222 47p
C220 47p
C1004 0.001
5V
J254
H5V
DRES
PDST
CON2
CON1
CON0
PCK
POT
PBST
PCE
MLLV
SPS
AFGC
5V
MAIN (3)
J1381 DSCP
UL
AFBP
8V
8V
POWS
AAF
GND
DINT
ICK
IMST
DDT
FSKK
14V
14V R264
HV 1k
COMPLETE VIEW
10 - 8
R135 1k
R133
100
5V
C52
0.0047
R54
68k
R131
12k
ULD
Q51
2SC4081
0.65 V C51
0.0047
DRES
Q141
DTA114EU
R141
1k C101 0.1
LOF5
THER
C102 0.1
C103 0.1
51
Q142
VSS
DTA114EU
52
PD2
R142
53
PD1
1k
LOF4
54
PD0
55
VSS
56
PDTRI
57
VSS
58
VDD
59
REFOSC
60
RC
61
Q143
FCK
DTA114EU
62
VDD
R143 63
1k VSS
LOF3
64
O12MA
VCO1
65
O4MA
66
VSS
67
VDD
68
ETCO7
69
ETCO6
70
ETCO5
71
ETCO4
72
Q144
ETCO3
DTA114EU
73
ETCO2
R144
74
ETCO1
1k
LOF2
75
ETCO0
Q145
DTA114EU
R145
1k 2.4 V
LOF1
R161 Q161
330
2SC4403
C201 10
3.9 V C206 10
IC201
C202 R201
M5282FP
4.4 V
0.47 47k
1 10
VCC2 VCC
2 9
IN+ VCAOUT
3 8
CTL
IN-
R204 220k 4 7
C203 R203
OUT VCAIN
5
0.1 10k C204 220p 6
GND NC
R205 R206 C205
1 1k 0.47 C207 0.47
CP281
IC281
4.4 V
13.2 V
TA7808S
8V
I O
G
8.0 V
CP282
R285
1k
H5V
IC271 IC291
D271 12.7 V TA78L05F 10.8 V TA7805F
5.0 V
MA114
I O I O
G G
14V
L30 100uH C2 30p C5 150p R13 100k
Q1
CP131 L1
C133 2SK210
LB-343
1
C14
150p
2.5 V
R72 R73
220 68k
FI71
R76 L71
SFECV10.5MA-5
47 4.7uH
W993
Q71
2SC4081
0.65 V
C109 0.1
C108 0.1
C107 0.1
25
VDD
24
VDD
23
TE3
22
TE2
21
TE1
20
VSS
19
DA11
18
DA10
17
DA9
16
DA8
15
DA7
14
DA6
IC101 13
VDD
SC-1246
12
VSS
11
DA5
10
DA4
9
DA3
8
DA2
7
DA1
6
DA0
5
VDD
4
VSS2
3
VSS
2
SYSCLK0
1
VSS
C163 L163
0.0047 0.22uH
0.75 V
5V
AF GAINCENTER:2.2 V 13.5 V
D231
DAN222
14V
L231 LR-270
0.85 V
C208 R232 C232
1 10k 0.47 5 C238 0.0047
1
4
2
3 C236
470
R231
IC231
100k
6.4 V
LA4425A
RL231
SY-12-K
R931
4.7k
THER
FSKK
C941
0.0047
5.0 V
D931 R932 Q931
5V
2SC4081
MA2S111 33k
R12 100 R11 47
8V
L303 C301
LW-25 470p
C22 C308
150p
C21 R21 0.1 R41
3p
47k 15
C303
0.0047
C31
0.0047
D301
2.8 V
KV1470
Q21
2SC4081
0.65 V
C75
0.0047
R170
2k R356 L333 C331
68 LW-25 150p
R172
2k
R174
C333
2k
0.0047
R176 D331
2k
KV1470
R178
2k
R180
2k
R182
2k
R184
2k
R186
2k
L354
L356
R188
2.2uH C-13975-4.5
2k
C375
R190
0.001
2k
R192
2k
L411
R411
LR-270
100
R491
100
R493 100k 5V
Q491
2SK880
R461
CP401 100k
IC461
Q461 LMX2306TM
DTA144EU
1
2
3
C465
4
0.01
5
30MHz 6
7
8
8V
CONNECT PHONE:4.8 V
NO CONNECT PHONE:0 V
Q232
DTC114EU
SPS
D261
DAN222
ULP
ULD
34
VSS
Q261
35
DTC114EE
C902 UL
36
0.1
P1
37
TREE
38
P2
39 IC901
VDD
SC-1287
40
VSS
41
STRB
42
DATA
43
CON CLK
R942
44
18k VDD
Q941
2SC4403 C903
0.1
0.75 V 2.4 V
3.3 V
L301
LW-25
R302
L302
100
E544GN-110248
C304 D302
1p
MA77
R321 R323
330 4.7k
Q301 R322 R324
2SK508
10k 1k
Q321
2SC4213
L331
R325 10k
LW-25
2
R332
L332
100 3.3 V
E544GN-110254
C334 D332
1p MA77
R351
R353
150 4.7k
Q331
R352 R354
2SK508 10k 1k
Q351
2SC4213
R355 0.0047
W301
R361
68
Q361
D362
C368
2SK508
1p MA77
R381
330 Q381
2SC4213
R382 L382
100uH
10k
C414
10
8V
5V
16
FLO VP
15
CPO
VCC2
14
GND FD/LD
13 R462 1k
GND
LE
12 R464 1k
FIN
DATA
11
R463 1k
FIN
CLOCK
10
VCC1 CE
9
OSCIN
GND
R951
2k
R953
2k
R955
2k
R957
2k
22
DA8
21
DA7
20
R959
DA6
19 2k
DA5
18
VSS
17
DA4
16
R961
DA3
15
2k
DA2
14
DA1
13
DA0
12
R963
VSS
2k
R965
2k
R967
2k
R969 R970
2k 2k