Icom ID-RP2 Service Manual page 93

11-2 LOGIC-D UNIT
LOGIC-D UNIT(1)
Explanatory notes
VOLTAGE LINE
TX LINE
RX LINE
D350
HSU88-E
2
4.81V
1
3
IC351
NJM2902V
R407
5
R359 1
1 k
4 6
10 k 1 8
CENV 3
2 7 7
3 6 5
2
4 5 D351
HSU88-E
IC351
R360 10 k IC350
NJM2902V
TC4W53FU
IC355
TA75S01F
R307 2.2 k R306 2.2 k
C307 C306
5
220 P 220 P
7
5
IBAS
7 6
6
IC300
IC302
NJM2115V
NJM2115V
R317 R316
2.2 k 2.2 k
5
7
QBAS 3
1 6
C317 C316
2
IC301
220 P 220 P
IC302
NJM2115V
NJM2115V
8
IC302
V+
GND
NJM2115V
4
BGND
IC351 NJM2902V
4
V+
GND
11 R351
13
R364
270 k
14
100
12
R352
4.7 M
IC351
NJM2902V
5
1 8 1
R355 100 k
2 7 4
R349
3 6 3
100
4 5
2
IC352 R357
IC353
R368 4.7 k
R353 R354 100 k
TC4W53FU 9
270 k 4.7 M TC75S51F
8
R365 2.2 k
10
IC351
NJM2902V
R270 R268 R266 R264 R262 R260 R258
R303 R302 R301
10 k 10 k 10 k 10 k 10 k 10 k 10 k
5.6 k 5.6 k 4.7 k 3
1
2
IC300
NJM2115V
R300 100
8
IC300
V+
GND NJM2115V
4
R292 R290 R288 R286 R284 R282 R280
R313 R312 R311
10 k 10 k 10 k 10 k 10 k 10 k 10 k
3
5.6 k 5.6 k 4.7 k
1
2
IC301
NJM2115V
R310
100
8
IC301
V+
GND NJM2115V
4
Q156
DTC144EU
L150 100 µH
IC150
CMX589AD5
1 5
1
XTAL
2 2
XTAL/CLK_RX
3
CLKDIVA
3 4
4
CLKDIVB
5
RX_HOLD
6
Q150 RXDCACQ
7
Q153 PLLACQ
8
XP1214 C162
RX_PSAVE
9
DTC144EU
9 P VBIAS
10
RXFB
11
RX_SIG_IN
12
VSS
R157 47 k
R156
47 k
IC153
TC4S66F
5 1
2
4 3
4.97V
Q151
XP1214
1
2
3
5 4
6 3
7 2
8 1
IC354
TC4W53FU
X200
CR-708 16.384 MHz
R201 1 M
1
2
3
IC202
TC7SHU04FU
CDA
R256 R254 R252 R250
10 k 10 k 10 k 20 k CDB
TXDT
TXCK
MODCK
MODDAT
FINT1
FSYNC
MCLKC
RXCK
RXDT
R278 R276 R274 R272
10 k 10 k 10 k 20 k
3.33V
R149 100
IC151
TC7SET04FU
5 1
2
4 3
C158 0.1
24
VDD
23
S/N
22
TXC
21
RXC
20
RXD
19
TXD 4.91V
18
TXP
17
TXE
16
TXO
15
BT
14
DOC1
13
DOC2
R159 2.7 M
1 5
2
3 4
IC152
Q154
TC4S66F
DTC144EU
5
4
IC201
3.35V
TC7S04FU
R199 100
1 5
2
3 4
R903
47 k
FIO1
16.384MHZ
R909
ERJ3GE-JPW
3.19V
5
1
GND VCC
4 2
GCK1 CCLK
3
R207 1 k GCK6
IO
4
IO
5
IO
6
R206 1 k
TDI
7
TCK
8
GND
R205 1 k 9
GND
IO
10
IO
11
TMS
12
IO
13
IO
14
IO
TXDT 15
IO
16
IO
17
IC200
GND
18
VCC GND
TXCK 19 XCS20XL-4TQ144I
IO VCC
20
IO
21
IO
22
IO
23
IO
24
IO
RXCK 25
IO
RXDT 26
IO
27
GND
28
GND
IO
29
IO
30
IO
31
IO
32
IO
33
GCK2 GCK5
34
M1
35
PROGRAM#
GND
36
M0 VCC
D - 11 - 4
X201
CR-760 9.8304 MHz
R209
1 M
3.26V
R208
100
5 1
2
4 3
IC203
TC7SHU04FU
108
LOGIC-D
107
106
UNIT(2)
105
D0
104
IO
103
IO
102
IO
101
D1 BUS LINE1
100
99 Q1
IO +3
98 Q2
IO
97 Q3
IO
96 +5
Q4
D2
95 Q5
IO
94 Q6 CENVIN
IO
93 Q7
IO
92 Q8
AFCSW
D3
91
90
MRE
89 Q9
IO
88 Q10
D4
87 Q11 MIN
IO
86 I1
IO
85 I2
IO
84 I3
D5
83
I4
IO
82 I5
IO
81
ACQ
80 I6
IO
79 I7
D6
78 I8 BUS LINE2
IO
77
I9
IO
76 I10 DOSEL
75 I11
D7
74
R202 4.7 k BUS LINE3
73
3.3V
R908
ERJ3GE-JPW