Icom IC-T81E Service Manual page 47

T: 0
R: 3.4
C737
0.01
R+3
R717
C709 C708 1 K C707 C706
15 0.1 0.1 0.01
C703
0.001
1 16
OSCIN MIXIN
2 15
OSCOUT GND
3 14
MIXOUT N-REC
4 13
VCC N-DET
5 12
IFIN RSSI
6 11
DEC IFOUT
7 10
R737
FILOUT QUAD
8 9
TBPS1R153K460H5Q
C735 FILIN AFOUT
C712
R730
0.1
33 P
220 K R727
IC701
22 K
R735
15 K TA31136FN(D)
C733
C734
C736 0.001
0.001
0.001
R736 R734
15 K 22 K R732
R731
180 K 4.7 K
C701
C713
R733 180 P
0.001
20 K
R706
10 K
L702
LS-528
C720
0.047
R729
1.8 K
C212
150
R201
10
C201
0.047
C77
R205 0.001
68
R204
68
.2
R203
68
VCC
C205
47
AB
R208
R3C
10K
AFON
R207
C207 C162
1 M
4.7 0.001
C: 5.0
DC-DC
31 R332 R323 R337
0 K 39 K 56 K 470 K
VCC
R342
10 K
+3C
25 R326 R327 R338
K 50 K 50 K 50 K
4 Q305 Q306 Q309
364 Q 2SJ364 Q 2SJ364 Q 2SJ364 Q
MOD
C326
C321 C322 C328 0.001
0.001 0.001 0.001
R329 R330 R339
470 K 470 K 470 K
R1
NTCCF20124AH 473KCT
TXC
2NDLO
R2
100K
8 7 6 5
C907
0.001
R726
47 K 1 2 3 4
IC4
TC4W53FU
THERMC
C700
2NDLO
0.1
PSET
C: 13.2
WFM
Q702
UN9115
R+3
1 16
DO VCC
2 15
LD VDD
3 14
CLK AO6
4 13
DI AO5
5 12
AO1 AO4
6 11
AO2 AO3
7 10
NC NC
8 9
GND VSS
IC5
M62368GP
C904
0.001
Q7 C: 3.3
XP1501 AB
1 5
Q8
SPREMOTE
2 2SB1132 R
C917
0.001
3 4
C75 C76
2.2 0.001
L3
330
D2
MA729
C17
3 2 1
0.68
Q308 IC3
R343
27 K
XP5601 AB
XC6371A500PR
L1 L2
4 5 6 5CA-395KN-0369AQ 4.7
I O
G
D3
C6
MA2S111 C: 2.5
C2
4.7
0.001
R334
C1
1 K
4.7
11 - 1
C906
0.001
2NDLO
40
IFIN 1
GND
39
2
THERM
38
PSET 3
37
4
GND
DATA
36
+3C 5
CK
35
PDA2/UL 6
AGC
34
VCC 7
TUNE
33
8
VHVCO
32
LOCKV 9
UVCO
31
PLST1 10
TXC
30
PDA1/UL 11
12VCO
29
BDET 12
WFM
28
13
GND
AM
27
MOD 14
GND
26
15
GND
R+3
25
PLST2 16
CHGC
24
17
6MVCO
23
HV 18
GND
22
FSET 19
DC-DC
21
EURDEV 20
C903 C910 C914 C913 C912 C909
0.001 0.001 0.001 0.001 0.001 0.001
AFO
INTSP
C901 C923
0.001 47 P
R901
330
C927
0.001
C926
0.001
COMPLETE VIEW