Logic-R Unit - Icom ID-RP2 Service Manual

11-3 LOGIC-R UNIT

LOGIC-R UNIT(1)
Explanatory notes
VOLTAGE LINE
RX LINE
HSU88-E
2
4.81V 1
3
IC351
NJM2902V
R407
5
R359 1
1 k
4 1 8 6
10 k
CENV 3 2 7 7
5
3 6
2
4 5
IC351
R360 10 k IC350
NJM2902V
TC4W53FU
IC355
TA75S01F
R307 2.2 k R306 2.2 k
C307 C306
5
220 P 220 P
5 7
IBAS 7 6
6
IC300
IC302
NJM2115V
NJM2115V
+5
R317 R316
2.2 k 2.2 k
5
3 7
QBAS 1 6
C317 C316
2
220 P 220 P IC301
IC302
NJM2115V
NJM2115V
8
IC302
V+
GND NJM2115V
4
BGND
+5
IC351 NJM2902V
4
+5
V+
GND
11 R351
13
R364
270 k
14
100
12
R352
4.7 M
IC351
NJM2902V
D350
5
1
1 8 R355 100 k
2 7 4
R349
3 6 3
100
4 5
2
R357
IC352 IC353
R368 4.7 k
R353 R354
100 k
9
TC4W53FU TC75S51F
270 k 4.7 M
8
R365 2.2 k
10
D351
IC351
HSU88-E
NJM2902V
R270 R268 R266 R264 R262 R260
R303 R302 R301
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
R313
R312 R311 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
E - 11 - 7
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
XP1214 8
C162
RX_PSAVE
DTC144EU 9
9 P
VBIAS
10
RXFB
11
RX_SIG_IN
12
VSS
R157 47 k
R156
47 k IC153
TC4S66F
5
4
4.97V
5 4
6 3
7 2
8 1
IC354
TC4W53FU
CR-708 16.384 MHz
IC202
TC7SHU04FU
R258 R256 R254 R252 R250 CDA
CDB
10 k 10 k 10 k 10 k 20 k
TXDT
TXCK
MODCK
MODDAT
FINT1
FSYNC
MCLKC
RXCK
RXDT
R280 R278 R276 R274 R272
10 k 10 k 10 k 10 k 20 k
3.33V
R149 100
+3
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
1
2 2
3 3 4
IC152
TC4S66F Q154
Q151
DTC144EU
XP1214
1
5
2
3 4
IC201
TC7S04FU
1 5
2
3 4
R903
47 k
FIO1
16.384MHZ
R909
X200
ERJ3GE-JPW
3.19V
R201 1 M
1 5
2 1
GND
3 4 2
GCK1
3
R207 1 k IO
4
IO
5
IO
R206 1 k 6
TDI
7
TCK
8
GND
9
R205 1 k
IO
10
IO
11
TMS
12
IO
13
IO
14
IO
TXDT 15
IO
16
IO
17 IC200
GND
18
VCC XCS20XL-4TQ144I
TXCK 19
IO
20
IO
21
IO
22
IO
23
IO
24
IO
RXCK 25
IO
RXDT 26
IO
27
GND
28
IO
29
IO
30
IO
31
IO
32
IO
33
GCK2
34
M1
35
GND PROGRAM#
36
M0
X201
CR-760 9.8304 MHz
R209
1 M
3.26V
3.35V
R208
100
R199 100
5 1
2
4 3
IC203
TC7SHU04FU
108
VCC
107 LOGIC-R
CCLK
106
GCK6 UNIT(2)
105
D0
104
IO
103
IO
102
IO
101
D1 BUS LINE1
100
GND
99
Q1
IO
+3
98 Q2
IO
97 Q3
IO
96 Q4 +5
D2
95 Q5
IO
94 Q6
CENVIN
IO
93
Q7
IO
92 Q8
D3 AFCSW
91
GND
90
VCC
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
GND ACQ
80
I6
IO
79 I7
D6
BUS LINE2
78 I8
IO
77 I9
IO
76 I10
DOSEL
GCK5
75 I11
D7
74
R202 4.7 k BUS LINE3
73
VCC
3.3V
R908
ERJ3GE-JPW