Icom ID-RP2 Service Manual page 55

BUS LINE1
+B
3.3V
5V
RX: 11.32V
IC207
TK11250CM
1 6
CONT VIN 4.98V
2 5
GND GND
3 4
NP VOUT
C276
470p
1.50V 1051LV
R222 R223 C209 L201
10k 1k 27p 27n
STD
5V
IC206
TK11229CM
2.88V
1 6
5.01V CONT VIN
2 5
GND GND
3 4
NP VOUT
E
CLK R248 1k
DAT R247 1k
EN1 R246 1k
R259 1k
TX Q
R207 R204
1k 1.2k
Q+
1.36V I+ I- Q-
TX I
1.36V
R208 R203
1k 1.2k
2.85V
BUS LINE3
C - 11 - 3
4.08V
Q207
2SC4116
R219 L202 R225 R266 C280
47 0.1µ 1k 100 10p
2.68V
R226 C215 C282
100k 10p 2p
Q201 C212 C272 L207
2SC5195 0.5p 2p 10n
Q203
2SC5508
0.54V
1.08V
Q202
2SC5195
350MHz ×3
350MHz OSC
C219 R531
100p 56
C226
0.001
25 12
GND GND
26 11
LO IN- GND
R230
27 10
LO IN+ TX VCC 2.2k
28 9
LO VCC IF TX-
29 8
GND IF TX+
30 7
TXQ- TX VCC
IC201
31 6
TXQ+ HFA3783 TX VAGC
32 5
1.2V OUT GND
33 4
TXI- IR RX-
34 3
TXI+ IF RX+ C231
35 2
100p
RXQ- GND C200
36 1
100p
RXQ+ RX VCC
L221
458DB-1011
R284
ERJ3GE-JPW
C203
10p
RX: 3.30V
TX: 0.18V
+B
3.3V
5V
1051MHz
C290 R271 L211
470p 47 0.1µ
C283
100p
1806LV
R268 C284 L210 Q204
1k 10p 12n 2SC5195
1.50V
602MHz OSC
R234 10k
25M
R262 C237
390 3.3
C233
0.001
FI202
TDFM1B-2332E-10
I O
L220
1.5n
33
TX MX VCC1
34
TX MX OUT
35
TX MX VCC1
36
TX MX VCC1
37
TX MX VCC1
38
TX LO DRIVER VC
39
GND
40
LO IN+
41
LO IN-
42
GND
43
LO VCC1
R283 44
GND
ERJ3GE-JPW
45
C250
46
220p
47
48
2.09V
C201
3p
C232
100p
C199
10p
L206
5.6n
Q209
2SC4226
L222 C202 3p
458DB-1011
C249 220p
Explanatory notes
VOLTAGE LINE
TX LINE
1806MHz
R274 R278 C297
1k 100 18p
2.64V
R273 C294 C299
100k 15p 2p
C293 C295 L213
0.5p 1p 8.2n
Q206
2SC5508
C296
1p
0.60V
1.40V
Q205
2SC5195
602MHz ×3
2.85V
R258 1k
R251 1k CLK
R250 1k DAT
R249 1k EN2
FI203
16
GND TDFM1B-2332E-10
15
GND
C259
14
GND 47p
13
TXA OUT I O
12
GND
11
TX VCC2
10
PE1
9
IC204 PE2
8
HFA3683A H/L
7
GND
RX LO DRIVER VC 6
BIAS1 VCC1
GND 5
GND
TX MX IN- 4
RX IN
RX MX OUT- 3
GND
2
LNA VCC1
1
GND
IF UNIT(3/4)
+B
3.3V
5V
STD
BUS LINE3