Icom ID-RP2 Service Manual page 141

MAIN-R UNIT(3)
MAIN-R
UNIT
(2)
c
f
g
h
BUS LINE1
i
j
k
l
m
BUS LINE2
n
BUS LINE3
THE
D+5
RSSI
+5A
+5_1
CENV
MIN
4.8V
C342
IC343B 0.1
NJM2115V
R85
100 k
MRE 5
+
7
6
-
C344 R78
IC341
0.22 180 k
BU4066BCFV
R87
680 k
4.5V
1 8
2 7
3 6
R91
100 C346 + 4 5
C347
0.1 10
IC342
TC4W53FU
IC343A
8 NJM2115V
3
+
1
R92
2
100 k -
4
C343
0.1
R94 33 k
W/NS
R279 C207
47 k 0.1
R190
100
D192
1SS364
C214 R200 R219
0.1
10 k 100 k
C217
0.1
I O
C218
0.1
D193
FI193
1SS364
CFWS450HT
R204
C204
330 k 180 P
C206
0.1
R202
12 k
C205
R206 R144
180 P
4.7 k
NTCG20 3NH 103JT1
R207
100 k
4.8V R205
3.3 k
R340
4.7 k
+5_1
SCAN
W340
NGND
NOIS
E - 11 - 3
W296
R296 R292
NTCG16 4BH 103KT
5.6 k
R293
1.2 k
D_RS
R272
3.9 k
A_RS
4.65V
R196
1.5 k
R194
47
R195 X191
1.2 k CDBC450CX24
IC191
TA31136FNG(D) + C200
C197
10 0.001
R201 C208
1 MIXIN 16
OSCIN
12 k 0.1
2 GND 15
OSCOUT
3 N-REC 14
MIXOUT
4 N-DET 13
VCC C198
5 RSSI 12
IFIN 82 P
6 IFOUT 11
DEC
7 QUAD 10
FILOUT
8 AFOUT 9
FILIN
R203
C203 C202 C199
220 k
0.1 0.1
0.001
C209 R209
R208
22 k 0.001 1 k
4.7V
R211
R210
100 k R217
1 k
C220
100 C211 R215 R213
0.22
0.22 22 k 33 k
Q193
2SC4081 S
C210 D195
0.001
1SS372
RX: 0.5V
R214
TX: 0V
47 k
C212
C213 R218
R216
47 k 0.0047
0.22
1.5 k
Q192 2SC4081 S
W1161
C1204
2 p
C430
47 P
L400 56 nH
L1163 2.5 nH
L1162 2.5 nH
C9202 C9203 C1189
0.75 P 0.75 P 1 P
Explanatory notes
RX LINE
R+5A
R193
470
R199
100
L191
C195
1.8 µH R191
Q191 0.1
100 k
2SC4215 O
C196
0.01
R192
1.5 k
R136
1 k
FL-312
31.05MHz
FI191
2 1
L192 C141 D131
C201
3.3 µH 22 P 1SV308
470 P C191
6 P
R212
8.2 k
MCF
C192
1.5 P
D194
1SS355
R1167
82
C1198
1.5 P
C9201 C1199
0.75 p RX_TX 0.001
R1164
100
L404 56 nH
R416
C420
C431 100
0.0047
47 P 4.8V
L403
56 nH
C416
R409 10 P
100
1FCN
L415 R415
C419
C1601 56 nH 100
1
47 P
C418
4.7V
R410 0.0047
68 k
Q400
2SC5107
C422
0.0047
R412
82 k
C423 R411
10 P 1 k
C4
C2 C3
3 P 1.5 P 1.5 P
L1 L2
L3
4.7 nH 3.9 nH 4.7 nH
C70
0.001
R+3
R70 R2 L5
10
100 5.6 nH
C15 C14 C13
10 P
0.001 47 P
FI1
R6 R3 C17 C16
4 P LFSN30N18C1280B
47 3.3 0.001
R+5L
C21 C19 C18 R5 L7
L6
470 P 0.001 3.3 nH
10 P 100
6.8 nH
FI2
C23 R8
0.001 LFSN30N18C1280B
39
O I
C22
C11
2.5 P
R9 R7
10 P
150 150
3.8V
R4
3.3 k
IC71 µPC2721GV
8 1
RF1 BB
7 2
RF2 BF
C79 R71 100
6 3
GND
4 P C
5 VCC 4
IF
C78
L72
0.001
C77 C76 C75
56 nH
47 P 0.001 0.5 P
R134
100
L132
1 µH
C131
0.001
C136
C138 C137 L131
0.1 0.001
0.01
4.8V
C140
0.001 Q131
3SK241 R
R135
L74 C82
1 k
1.9V 4 P
R131
R132 22 k
10 k
R133 C134 C133 C132
68 330 P
0.1 0.001
ANT
C1200 C1207
R1169
0.5 P 0.5 P
10 k
C417
0.1
X400
CR-662
15.3 MHz
1 4
VCON VCC
2 3
GND OUT
15.3MHz
R413
220 R414 C421
10 P
10 k
RX
C5
1 P L4
8.2 nH
O I
C12
4 P
2.8V
Q1 NE34018
C10 C9
0.001 47 P 0.5V
R1 C8 C7 C6
100 47 P 0.001 47 P
L71
56 nH
C72 4.8V
47 P
C74
47 P
FI71
WF447B
2 1
C81 L73
2.5 P 56 nH