Icom ID-RP2 Service Manual page 54

BUS LINE1
+B
+B
3.3V
3.3V
5V
5V
2.5V
2.5V
BUS LINE2
IC17
TC74CU04AF
R137
47k
1 14
2 13
3 12
4 11
R138
5 10
4.7k
6 9
7 8
R566
270
IC15
TC74HC86AF
1 14
R163
2 13
220
3 12
4 11
5 10
6 9
7 8
IC23
TC74VHC123AF
1 16
1A VCC
2 15
1B 1RX/CX
3 14
1CLR 1CX R147 1k
4 13
1Q 1Q
R146 C141
5 12 C142 47p
1k 10p 2Q 2Q
6 11
2CX 2CLR
7 10
2RX/CX 2B
8 9
GND 2A
IC523
TC74HC08AF
1 14
2 13
3 12
4 11
5 10
6 9
7 8
R557
ERJ3GE-JPW
R561 ERJ3GE-JPW
R560
ERJ3GE-JPW
IC21
MC74HC4046AF
1 16 5V
PP VDD
2 15
P1 ZEN
3 14
CIN SIN
4 13 R562 ERJ3GE-JPW
VOUT P2
5 12
INH R2 R139 10k RX: 1.61V
6 11
CX R1
7 10
CX DEMO
8 9
VSS VCOIN RCV
R556 R142
ERJ3GE-JPW 1k
BUS LINE3
3.32V
C263
0.01
X201
CR-710
(25.000 MHz)
C262
1 4
NC VCC 0.1
2 3
GND OUT
C303
Q208
0.001
2SC4215
0.21V
2.53V
2.5V
R542
270
R65
1k
1
TCK
BUSY 2
CONF DONE
3
NCEO
4
TDO
5
VCCIO
6
GNDINT
I DEM 1 7
CLKUSR
I DEM 2 8
NC
I DEM 3 9
NC
I DEM 4 10
NC
I DEM 5 11
RDYNBUSY
12
NC
13
NC
RST OUT 14
INIT DONE
15
GNDINT
16
VCCINT
Q DEM 1 17
NC
Q DEM 2 18
IC11
NC
Q DEM 3 19 EP1K30TC144-3
NC
Q DEM 4 20
NC
Q DEM 5 21
NC
22
NC
23
NC
24
VCCIO
25
GNDINT
TX ENB 26
NC
TX DAT 27
NC
RX CLK 28
NC
RX DAT 29
NC
RX ENB 30
NC
TX CLK 31
NC
32
NC
R64
33
1k NC
34
TMS
OE 35
NSTATUS
36
NC
SC
2.5V
R71 10k
5.00V
R72 10k
H L
B1 INT OUT
B2 ON OFF
+B
3.3V
5V
BBC
L29 C10 L419 C6
0.33µ 0.1 10µ 0.001
C14
0.001
Q2
2SC4215
L216
0.47µ
C9
10p
1.06V 1.04V
D
2.5V
3.3V
108
DATA0
107
DCLK
R66
106
NCE 1k
105
TDI
104
GNDINT
103
VCCINT
102
TOTALUSERI/OPINS
101
NC
100
NC
99
NC
98
NC
97 I-MOD 1
NC
96 I-MOD 2
NC
95 I-MOD 3
NC
94
VCCIO
93
GNDINT
92 I-MOD 4
NC
91 I-MOD 5
NC
90 I-MOD 6
NC
89 I-MOD 7
NC
88 I-MOD 8
NC
87 Q-MOD 1
NC
86 Q-MOD 2
NC
85
VCCINT
84
GNDINT
83 Q-MOD 3
NC
82 Q-MOD 4
NC
81 Q-MOD 5
NC
80 Q-MOD 6
NC
79 Q-MOD 7
NC
78 Q-MOD 8
NC
77
MSEL0
76
MSEL1
75
VCCINT
74
NCONFIG
73
NC
3.3V
Explanatory notes
VOLTAGE LINE
TX LINE
RX LINE
5.00V
X1
1.96V 25°C
CR-504
R4 (40.000 MHz)
R523 C531 R537 R539
22k
ERJ3GE-JPW 100p 100k 10k
Q1
2SC4215
1.44V
C131
0.1
L23 L24 L25 L26 L27 L28
1.5µ 3.3µ 0.68µ 5.6µ 15µ 1.8µ
R136 R134 R132 R130 R128
1k 1k 1k 1k 1k
R135 R133 R131 R129 R127
1k 1k 1k 1k 1k
L17 L16 L18 L19 L21 L20 R304
3.3µ 1.5µ 0.68µ 5.6µ 1.8µ 15µ ERJ3GE-JPW
Q
R62 R60 R58 R56 R54 R52 R50
1k 1k 1k 1k 1k 1k 1k
R61 R59 R57 R55 R53 R51 R49
1k 1k 1k 1k 1k 1k 1k
L11 L10 L12 L13 L14 L15 R303
3.3µ 1.5µ 0.68µ 5.6µ 1.8µ 15µ ERJ3GE-JPW
I
R39 R37 R35 R33 R31 R29 R27
1k 1k 1k 1k 1k 1k 1k
R38 R36 R34 R32 R30 R28 R26
1k 1k 1k 1k 1k 1k 1k
L22
100µ
R117 R115 R113 R111 R109 R107 R105
1k 1k 1k 1k 1k 1k 1k
R116 R114 R112 R110 R108 R106 R104
1k 1k 1k 1k 1k 1k 1k
IF UNIT(2/4)
C - 11 - 2
BUS LINE1
+B
3.3V
5V
TX Q
RX: 1.13V
TX: 1.76V
TX I
RX: 1.13V
TX: 1.76V
BUS LINE3