Icom ID-RP2 Service Manual page 56

+B
3.3V
5V
5.02V
RX: 11.81V
IC406
TK11250CM
1 6
CONT VIN
2 5
GND GND
3 4
NP VOUT
C403 R403
470p 47
1.50V 748LV
R406 R407 C409 L401
22k 1k 5p 8.2n
STD
5V
IC405
TK11229CM
2.90V
1 6
5.01V CONT VIN
2 5
GND GND
3 4
NP VOUT
CLK R430 1k
DAT R429 1k
EN4 R428 1k
R467 1k
2.88V
1.21V
STD
RX Q-
RX Q+
RX I-
RX I+
BUS LINE3
R526
47k
3.3V
IC515 IC516
TC7S08FU TC7S08FU
5 1 5 1
2 2
4 3 4 3
4.13V
Q407
2SC4116
L402 R409 R450 C460
0.1µ 1k 1k 47p
3.47V
R410 C415 C470
220k 10p 1p
Q401 C412 C453 L409
2SC5195 0.5p 10p 5.6n
Q403
2SC5508
0.13V
1.11V
Q402
2SC5195
748MHz ×3
748MHz OSC
C420 R411
100p 56
C428
0.001
25 12
GND GND
26 11
LO IN- GND
27 10
LO IN+ TX VCC
28 9
LO VCC IF TX-
R469
29 8
GND IF TX+ ERJ3GE-JPW
30 7
TXQ- TX VCC
IC401
31 6
TXQ+ HFA3783 TX VAGC
C506 C431
32 5
1.2V OUT GND 100p 15p
33 4
TXI- IR RX-
34 3
TXI+ IF RX+
35 2
RXQ- GND C505 100p C430
36 1
RXQ+ RX VCC 15p
Explanatory notes
RXIF-35dBm: 0.94V
3.3V
R528
ERJ3GE-JPW
IC517 IC518 IC519
TC7S08FU TC7S08FU TC7S08FU
5 1 5 1 5 1
2 2 2
4 3 4 3 4 3
748MHz
C475 R456 L412
470p 47 0.1µ
C471
100p
1374LV
R453 C472 L411 Q404
1k 5p 10n 2SC5195
1.5V
687MHz OSC
R416 5.6k
R415 C436
390 3.3
C432
0.001
R468
ERJ3GE-JPW
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
44
GND
45
46
47
48
4 12
O G
5 11
G G
6 10
G I
FI403
FL-370
C449 5p
FI402
VOLTAGE LINE
TDFM1B-17470-11
TX LINE
RX LINE O
3.36V
IC520 IC521 IC522
TC7S08FU TC7S08FU TC7S08FU
5 1 5 1 5 1
2 2 2
4 3 4 3 4 3
1374MHz
R459 R463 C485
1k 100 18p
2.64V
R458 C481 C482 C487 C488
100k 10p 2p 2p 100p
C480 C484 L414
0.5p 2p 10n
Q406
2SC5508
0.57V
1.29V
Q405
2SC5195
687MHz ×2
2.88V
R466 1k UL5
R434 1k CLK
R433 1k DAT
R432 1k EN5
16
GND
15
GND
14
GND
13
TXA OUT
12
GND
11
TX VCC2
10
PE1
R305
9
IC404 PE2 ERJ3GE-JPW
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 C459 L420
2
47p 1.2n
LNA VCC1
1
GND
I
R471
ERJ3GE-JPW
IF UNIT(4/4)
C - 11 - 4
J10
CLK
DAT
LET
LER
ULT
to CHASSIS EP1
(10 GHz Module)
ULR
NC
NC
GND
J401
RF IF IN
(1747.5 MHz)
to CHASSIS EP1
(10 GHz Module)
TX IF OUT J201
(2332.5 MHz)
G to CHASSIS EP1
(10 GHz Module)