Schematic Diagram: Motherboard (Sheet 1 of 3)
1 2 3 4 5 6 7 8 9 10 11 12
A
B
C
D
E
F
G
H
12
1110987654321
H
G
F
E
D
C
B
A
DWG. NO. REV.
E . C . N. REV DESCRIPTION
APPROVALS
PECHK CMDATE DWN
REVISION HISTORY
65
THESE DRAWINGS AND SPECIFICATI ONS ARE THE
PROPERTY OF INTERNATIONAL RADIO AND ELECTRONI CS CORP.
AND SHALL NOT BE REPRODUCED, COPIED OR USED AS
THE BASIS FOR THE MANUFACTURE OR SALE OF APPARATUS OR
DEVICES WITHOUT PERMISSION.
SHEET OF
SCALE : NONE
PROJ NO.
FILENAME:
DWG . NO .
REV
TITLE:
UNCONTROLLED
UNLESS OTHERWISE MARKED IN RED INK BY CM AS A
CONTROLLED COPY, COPIES OF THESE DOCUMENTS
INCLUDING ASSOCIATED ELECTRONIC REPRODUCTIONS
ARE FOR REFERENCE ONLY.
APPROVALS
DWN
CHK
CM
PE
DISTRIBUTION
K
SIZE
D
INTERNATIONAL RADIO AND ELECTRONICS CORP.
25166 LEER DRIVE ELKHART, IN. 46514
574-262-8900
WWW.IREC1.COM
IREC
A
03-08-07 DW DW
C16
.01
C17
.01
C18
.01
C19
.01
C20
.01
C21
.01
C22
.01
C23
.01
R28 220
C68
OPEN
C67
OPEN
C66
OPEN
R11 390
R12
390
R10 1K
R9 220
R13 100
R14 220
C5
.01
C6
.001
C7
.001
C8
.001
C9
.01
C10
.01
C58
.01
C59
.01
C60
.01
C62
.01
C64
.01
C65
.01
1
2
3
J13
HEADER 3X1
1
2
3
J2
OPEN
C3
220pF
C4
220pF
C13
220pF
C14
220pF
C15
220pF
C12
220pF
C11
220pF
R6
1K
R8
1K
R17
1K
R18
1K
R20
1K
R16
1K
R15
1K
R19
240
1
2
3
4
5
HD6
OPEN
2
3
1
REF. FOR
XLR CON.
HI
LO
GND
SCA
EXT_RTN
EXT_IN
MON_L
MON_R
-12V
+12V
J18
MCX
J19
MCX
RF OUT
+5.00V
D1
1N4148
1
2
3
4
5
6
7
8
9
10
J26
HEADER 5 x 2
V+
TEMP
GND
R177
1K
R176 1K
R150
1K
1
2
3
4
5
6
7
8
9
10
J25
HEADER 5 x 2
1
2
3
4
5
6
7
8
9
10
11
12
J6
HEADER 12
1
2
3
4
5
6
7
8
9
10
11
12
J7
HEADER 12
+5.00V
R IN2
R IN1
L IN2
L IN1
LPIN L
LPOUT L
LPIN R
LPOUT R
+12V
-12V
L VU
+5.00V
PROC A
PROC B
PROC C
R VU
BR GR
HI GR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J15
+12V
+12V
-12V
C159
.001
C158
.001
C157
.001
C140
.01
R216
1K
FM TP1
VOLTMETER
1
2
3
4
5
6
J14
HEADER 6X1 .156
+12V
C55
.01
C56
.01
C57
.01
Q3
IRF541
R7
300
R5
300
Z8
OPEN
Z7
OPEN
1
2
3
J1
XLR
C2
220pF
C1
220pF
R4
1K
R2
1K
R1
300
R3
300
Z3
OPEN
Z5
OPEN
Z4 OPEN
Z6 OPEN
Z1
JUMPER
Z2
JUMPER
J1
1
2
3
4
5
6
7
8
9
10
11
12
STEREO GENERATOR
J2
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
J8
HEADER 5 x 2
J3
1
2
3
4
5
6
7
8
9
10
+12V
-12V
SCA IN
EXT RTN
EXT IN
/EXT ENABLE
COMPOSITE1
MON R
MON L
LPIN L
LPOUT L
LPIN R
LPOUT R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J11
HEADER 10 x 2
J1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
AUDIO PROCESSOR
1
2
3
4
5
6
7
8
9
10
J9
HEADER 5 x 2
J2
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
J10
HEADER 13 x 2
J3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
+12V
-12V
/+6DB
/+12DB
+5.00V
COMP METER
COMP METER
COMP METER
STEREO/MON
STEREO/MON
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J12
HEADER 10 x 2
ALC
ALC
ALC
ALC
ALC
FAN
TP4
+12V
+12V
TP3
-12V
-12V
TP5
+5.00V
+5.00V
TP7
GND
2
3
1
U1A
TL072
C24
1.0
+12V
C25
1.0
-12V
R32
24.9K
1%
R34 24.9K 1%
R36
24.9K
1%
R35
24.9K
1%
Z11
OPEN
EXT RTN
Z10
OPEN
R30
3.9K
5
6
7
U1B
TL072
R29
1K
EXT IN
R38 1K
Z14
OPEN
SCA IN
D2
1N4148
D3
1N4148
R37
4.02K
1%
R33
100
R31
100
Z12
OPEN
Z13
OPEN
COMP METER
COMPOSITE1
COMPOSITE1
STEREO GENERATOR SHUNT
NC
1
Vin
2
TEMP
3
GND
4
TRM
5
Vout
6
NC
7
NC
8
U2
REF02
+12V
C26
1.0
2
3
1
U3A
TL072
C29
1.0
+12V
C30
1.0
-12V
5
6
7
U3B
TL072
R39
100
C27
.01
R40
4.7K
C28
1.0
Z9
OPEN
+5.00V
AUDIO PROCESSOR SHUNT
-METER PAV
-METER PAI
-METER RFW
-METER PA TEMP
-METER BATT
-FAULT SUM
-/AUTO_CARR_ OFF
-/CARR OFF
_FSK IN
_ALC
38 KHZ OUT
_/EXT ENABLE
L IN1
L IN2
R IN1
R IN2
R IN1
L IN2
R27 220
R26 220
R25 220
R24 220
R23 220
R22 220
R21 220
FAULT SUM
FAULT SUM
METER BATT
METER BATT
METER PATEMP
METER PATEMP
METER RFW
METER RFW
METER PAI
METER PAI
METER PAV
METER PAV
ALC
FSK IN
FSK IN
FSK IN
NC
NC
NC
NC
NC
NC
PAI
PAV
/LOCK FAULT
C61
.001
C63
.001
DC SUPPLY
TEMP
TEMP
INPUT
INPUT
FAN-
+12V
FAN
V-METER
RFV
RF FWD
RF REV
/LOCK
FM_/LOCK
FM_/LOCK
NC
38KHZ38KHZ
NC
NC
NC
NC
NC
NOTES:
UNLESS OTHERWISE SPECIFIED:
1. ALL RESISTORS ARE IN OHMS, 1/4W, 5% TOL.
2. ALL CAPACITORS ARE IN MICROFARADS.
DW 10-05-06
DW 10-05-06
/EXT ENABLE
/EXT ENABLE
COMPOSITE METER
INPUT CONFIGURATION CHART
NON-OMNIA BOARD INPUT IMPEDENCE
Z1, Z2 ON
Z3, Z5, Z7, Z8 OFF
Z4, Z6 OFF
50 KOHM
Z1, Z2 ON
Z3, Z5, Z7, Z8 ON
Z4, Z6 OFF
600 OHM
OMNIA BOARD AES/EBU INPUT
Z1, Z2 OFF
Z3, Z5, Z7, Z8 OFF
Z4, Z6 ON
ANALOG LEFT/RIGHT
LEFT IN 1
LEFT IN 2
Z31
OPEN
Z32
OPEN
INSTALLED WHEN USING
AUDIO PROC. SHUNT CKT.
Z22 OPEN
Z21 OPEN
Z20 OPEN
Z19 OPEN
Z18 OPEN
Z17 OPEN
Z16 OPEN
Z15 OPEN
Z30
JUMPER
Z29
JUMPER
Z28
JUMPER
Z27
JUMPER
Z26
JUMPER
Z25
JUMPER
Z24
JUMPER
Z23
JUMPER
SCH, UNIVERSAL MOTHER BOARD
DP 10-05-06
DP
201497F-SCH
A
1
201207F-SCH A
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
J3
DB25_2X
FMV CONTROL-FMV CONTROL
FMV CONTROL
38KHZ
38KHZ
38KHZ
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J29
FM
WR
PAI
PAI
PAV
PAV
N/C
N/C
/LOCK FAULT
/LOCK FAULT
DC SUPPLY
NC
/CARR_OFF
TEMP
/AUTO_CARR_OFF
TEMP
1
2
3
J28
HEADER 3X1
-COMPOSITE OUT
WR TP1
ANTENNA SWR
REM RAISE
REM LOWER
REM SWR
DC SUPPLY
EXT ALC CONTROL
RF_LVL
LOCK
E2
E3
E4
C54
1.0
1
2
3
4
5
6
7
8
9
10
J24
HEADER 5 x 2
R222
1K
RDS TX
RDS RX
+12V
WR
FM
V+
TEMP
GND
1
2
3
J25
HEADER 3X1
RF_LVL
LOC/REMOTE
ALC
RF EXCITER
201497F-SCH-SH3.SCH
ALC/METERING
201497F-SCH-SH2.SCH
FM_/LOCK
ALC
METER PAV
METER PAI
METER PATEMP
METER BATT
METER RFW
FAULT SUM
GND
+5.00V
/LOCK FAULT
DC SUPPLY
PAI
PAV
EXT ALC CONTROL
TEMP
FAN
V-METER
RFV
RF FWD
RF REV
INPUT
+12V
-12V
GND
FSK IN
LOCK
/LOCK
RF_LVL
LOC/REMOTE
ALC
COMPOSITE1
+12V
-12V
38KHZ
/CARR_OFF
/AUTO_CARR_OFF
INPUT
N/C
N/C
N/C
N/C
N/C
N/C
N/C
RF OUT
RF_LVL
-12V
+12V
R IN2
L IN1
FMV CONTROL
1
2
3
J16
HEADER 3
REM PWR CNTRL
TP6
+5V
+5V
PRODUCTION RELEASE
6-9 Adjustments and Tests
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