Voltage Diagrams; Main-R Unit - Icom ID-RP2 Service Manual

D-star repeater system
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SECTION 11

VOLTAGE DIAGRAMS

11-1 MAIN-R UNIT

MAIN-R UNIT(1)
J1800
30FLT-SM1-TB
PWRS
1
PCON
2
3
4
5
6
7
8
9
10
11
L1805 56 nH
12
13
14
15
R1562 15
HV_L
16
17
18
19
20
+3
21
22
RXS
23
24
TXS
25
26
VCTL
27
FANC
28
29
AMUT
30
BEEP
to LOGIC-R unit
J401
J1602
AXN330C130P
1
2
3
4
S1601
5
SKHHLU
6
7
8
9
10
CP1600
11
12
13
P1ST
14
1FCN
15
POWRS
16
SHIFT
17
UNLK
18
19
20
PSCK
21
PDAT
22
P2RS
23
P2ST
24
25
26
27
28
29
TXSW
30
DAF
to LOGIC-R unit
J101
J1801
30FLT-SM1-TB
IBAS
1
NOIS
2
QBAS
3
NGND
4
THER
5
SCAN
6
THE
7
RMUT
8
ADSW
9
DAMOD
10
11
TONI
12
13
W/NS
14
MGND
15
16
MMUT
17
18
MRE
19
MIN
20
+5A
21
CTCS
22
RSSI
23
TXD
24
CENV
25
RXD
26
W1601
27
W1670
28
PTT
29
MU/D
30
to LOGIC-R unit
J400
W1750
W1330
CP1
HV
from REAR
CP2
unit J5
TXD
MU/D
RXD
PWRS
HV
+3
RXS
L1804 56 nH
TXS
L1803 56 nH
L1802 56 nH
L1801 56 nH
P1ST
1FCN
LOCK
: 0.0V
+5_1
UNLOCK
: 3.3V
D1800
R1802
Q1800
1SS355
22 k
DTA144EU
UNP1
UNP2
D1801
R1801 22 k
1SS355
SCK
PDAT
P2RS
P2ST
R1803 100
NOIS
+5_
NGND
SCAN
THE
R9008 47 k
DIGITAL MOD
R9007 47 k
W/NS
MRE
MIN
+5A
RSSI
TXD
CENV
RXD
MU/D
+5A
E - 11 - 1
Explanatory notes
VOLTAGE LINE
RX LINE
12.9V
Q1330
Q1331
DTC143ZU
DTA143TUA
R1330 10
Q1332
PWRS
2SC4684
13
+
+
+
I
O
G
IC1331 TA7805F
+
IC1332
BA033FP
+
10.5V
4.9V
+3
TXS
3.4V
RXS
C1369
C1367
47 p
47 p
Q1352
L1348 56 nH
L1349
DTC144EU
56 nH
R+5
Q1348
2SA1362 GR
Q1345
DTC144EU
5A
R1348 4.7 k
Q1347
DTC144EU
8.8V
L1330 56 nH
RX: 0.0V
TX: 9.0V
HV
Q1333
9.0V
IC1330 BA09FP
L1335
2SB934P
56 nH
R1333
I
O
Q1334
G
1 k
2SC4081 S
+
Q1335
C1370
L1334 56 nH
47 p
DTC144EU
I
O
G
Q1336 2SD1619 T
+
Q1338
R1339
DTC144EU
4.7
R1340
1 k
Q1340
DTC144EU
Q1341
Q1344
Q1342
DTC144EU
DTC144EU
2SA1362 GR
Q1343 2SA1362 GR
R1345
1 k
R1347
1 k
R+5
4.8V
Q1349
Q1346
2SA1362 GR
DTC144EU
5D
R1350
4.7 k
MAIN-R UNIT(2)
UNP2
UNP2
UNP1
UNP1
P2ST
P2ST
P2RS
P2RS
P1ST
P1ST
PDAT
PDAT
SCK
SCK
+5_1
R+5_1
L1360 56 nH
W/NS
W/NS
SCAN
SCAN
MIN
MIN
+5A
+5A
L1550 56 nH
+9
NOIS
NOIS
CENV
CENV
RSSI
RSSI
1FCN
1FCN
NGND
NGND
MRE
MRE
THE
THE
T+5
T+5
R+5L
R+5L
R+5A
R+5A
+5_
+5_
5+_
5+_
+9_1
+9_1
R+3
R+3
R+5
R+5
D+5
D+5
+9
+
L1332 56 nH
5+_
T+5
L1331 56 nH
R+5L
Q1337
2SA1362 GR
4.8V
R+3
3.3V
R+5L
R+5A
8.9V
IC830
XC6202P502PR
+9_1
I
O
G
+
+

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