Icom ID-RP2 Service Manual page 53

SECTION 11 VOLTAGE DIAGRAM
11-1 IF UNIT
IF UNIT
J5
+B
to CHASSIS W6
(DC 13.8V)
J14
+B
NC
to CHASSIS DS1
(STATUS) SW A
J11
RSSI
TEST
to CHASSIS J1
GND
(TEST)
NC
J1
+B TEST
+B
GND
GND
to CHASSIS EP1
TE
(10 GHz Module)
POS
GND
STD B
C150 R5 1k
STD
0.001
-0.39V
2Wadi
J3
TCK
TDO
TMS
TDI
3.3V
GND
E10T 0
RXD
J12 TXD
TXD
RXD
SCK SCK
R518 1.2k
ET O
NMI
RST RST
VCC
GND
NMI
J2
TC
TC
TE TE
TD
to CHASSIS W8
TD
(DATA A)
RE RE
TXD
TXD
J9
RC
RC
NC R545 100
RD
to CHASSIS W9
RD
(DATA B)
NC R546 100
RXD
RXD
3.3V
RX: 13.46V
TX: 12.53V
2.09V
RXIFin: -35dBm
R533 R144
100 1k
RSSI SIG
R149
3.3k
R150
10k
5
3
- 4 RSSI
1
+
2
IC24
TC75S51F
R534
100
TEST MODE
Q100
DTC144EU
R164 100k
3.3V
RX: 0V
TX: 5.00V
Explanatory notes
VOLTAGE LINE
RX LINE
3.3V
1
NC
R516 10k 2
DCLK
R517 10k 3
VCCSEL
4
NC
R512 10k 5
NC
R505 10k 6
NC
7
OE
8
NC
R507
ERJ3GE-JPW
3.30V
IC513
SN65LVDT33D
1 16
1B VCC
2 15
1A 4B
3 14
1Y 4A
4 13
G 4Y R552 10k
5 12 3.3V
2Y G
6 11
2A 3Y
7 10
2B 3A
IC525
8 9
GND 3B TC7S04FU
3.3V 5
TD
4
IC514
SN65LVDS391D RC IC524
TC7S04FU
9 8
4Z EN3,4
10 7
4Y 4A
11 6 RX CLK 5
3Z 3A
12 5
3Y GND
13 4 4
2Z VCC
14 3 RX DAT
2Y 2A
15 2
1Z 1A
16 1
1Y EN1,2
RD
C - 11 - 1
+B
IC1
LM2676-5.0
5.01V
5V
L1
C3
B952AS-470M
0.01
5V
R1 ERJ3GE-JPW
IC26
RX I+
TC7S08FU
RX I-
R118 ERJ3GE-JPW
5 1 STD
2 TE
R543 ERJ3GE-JPW
4 3
R2 ERJ3GE-JPW
RX Q-
RX Q+
R302 ERJ3GE-JPW
BUSY
24
NC
23
VPP
22
NC
21
IC10 NC
20
SC-1410
NC
19
NC
18
NC
IC407
17
VPPSEL S-80928CNMC
4 3
C502 NC VSS
2
0.0047 VDD
5 1
CD OUT
NCONFIG
C500 R522
22p ERJ3GE-JPW
OE
C501
27p
TC
1 TX CLK
2
R519
IC508
3
ERJ3GE-JPW
HN58X2416TI
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
VSS SDA
1
2
3
RST OUT
5V
3.35V
IC12 IC13
TA48M033F TA48025F
3.3V
I O I O
G G
3.3V
1 36 RX ENB
GND NC
2 35
AINA NC
3 34
AINA GND
4 33
DFS VDD
5 32
REFINA GND
6 31
REFOUT IC9 VD
7 30 TX ENB
REFINB AD9288BST-40 VD
8 29
S1 GND
9 28
S2 VDD
10 27
AINB GND
11 26
AINB NC
12 25
GND NC
3.3V
R565
ERJ3GE-JPW
R508 10k
R509 10k R503 1k
R510 10k
R511 10k
R502
1k
1 48
R63 NC NC
2 47
4.7k NC NC
3 46
AVCC P22/TXD
4 45
NC P21/RXD
5 44
NC P20/SCK3
6 43 R514 10k
VCL E10T 2
7 42 R513 10k
RES E10T 1
8 41
TEST IC509 E10T 0
9 40
VSS HD64F3672FPV P84/FTI0D
10 39
OSC2 P83/FTI0C
11 38 R550 10k
OSC1 P82/FTI0B
12 37 R549 10k
VCC P81/FTI0A
13 36 R548 10k
P50/WKP0 P80/FTCI
14 35
P51/WKP1 NMI
15 34
NC NC
16 33
NC NC
R501
10k
Q500
DTC114EU
R500
10k R553 10k
Q501
R554 10k
DTC144EU
BUS LINE1
+B
+B
3.3V
3.3V
5V
5V
2.5V
2.5V
BUS LINE2
RE
Q503
DTC144EU R532
68
RE
TE
RST
CAL EN
B1
B2
TXD
RXD
SCK
E10T 0
ULR
ULT
R551 10k
NMI
R506 1k
Q502
DTA113ZU
TEST
A
R70
1k
BUS LINE3
IF UNIT(1/4)