Icom MXG-5000 User manual

S-14710XZ-C1
Sep. 2010
GPS RECEIVER

This service manual describes the latest technical
information for the MXG-5000 GPS RECEIVER, at the time
of publication.
NEVER connect the receiver to an AC outlet or to a DC
power supply that uses more than specified. This will ruin
the receiver.
DO NOT reverse the polarities of the power supply when
connecting the receiver.
DO NOT apply an RF signal of more than 20 dBm (100 mW)
to the antenna connector. This could damage the receiver’s
front-end.
To upgrade quality, any electrical or mechanical parts
and internal circuits are subject to change without notice
or obligation.
MODEL VERSION
MXG-5000
EXP
USA
EUR
Be sure to include the following four points when ordering
replacement parts:
1. 10-digit Icom part number
2. Component name
3. Equipment model name and unit name
4. Quantity required
<ORDER EXAMPLE>
8900018230 OPC-1886 MXG-5000 CHASSIS UNIT 2 pieces
8510012351 2273 U-CASE-1 MXG-5000 CHASSIS UNIT 3 pieces
Addresses are provided on the inside back cover for your
convenience.
ORDERING PARTS
1. Make sure that the problem is internal before
disassembling the receiver.
2. DO NOT open the receiver until the receiver is
disconnected from its power source.
3. DO NOT force any of the variable components. Turn
them slowly and smoothly.
4. DO NOT short any circuits or electronic parts.
5. DO NOT keep power ON for a long time when the
receiver is defective.
REPAIR NOTES
INTRODUCTION CAUTION
Icom, Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the
United Kingdom, Germany, France, Spain, Russia and/or other countries.

TABLE OF CONTENTS
SECTION 1 SPECIFICATIONS
SECTION 2 INSIDE VIEWS
SECTION 3 PARTS LIST
SECTION 4 MECHANICAL PARTS
SECTION 5 BOARD LAYOUTS
SECTION 6 BLOCK DIAGRAM
SECTION 7 VOLTAGE DIAGRAM

1 - 1
SECTION 1
.
SPECIFICATIONS
• Power supply voltage : 4.75 to 5.25 V DC (supplied from the MarineCommander™)
• Operating temp. range : −20˚C to +60˚C; −4˚F to +140˚F
• Relative humidity : Less than 95%
(at +35˚C; +95˚F)
• Dimensions :
140(d)×157.2(H) mm; 51⁄2(d)×63⁄16(H) in.
• Weight (approx.) : 710 g; 1.57 oz
• Cable length (approx.) : 10 m; 32 ft. 93⁄4 in.
• Receiving frequency : 1575.42 MHz
• Receiving channels : 12
• Receiving codes : L1, C/A-code, SPS
• Satellite differential type :
WAAS, EGNOS, MSAS
• TTFF (Time to First Fix)
Cold start (typical) : 40 sec.
Hot start (typical) : 4 sec.
All stated specifications are subject to change without notice or obligation.

2 - 1
SECTION 2
.
INSIDE VIEWS
• MAIN UNIT
(TOP VIEW)
• MAIN UNIT
(BOTTOM VIEW)
BPF
(FI1)
GPS RECEIVER MODULE
(IC3)
3.3 V REGULATOR
(IC2)
RS-232 LINE DRIVER
(IC1)
GPS ANTENNA
(EP3)

3 - 1
SECTION 3
.
PARTS LIST
IC1 1120002951 S.IC UPD4721GS-GJG-A T 28.5/30.0
IC2 1180002020 S.REG BA033FP-E2 T 8.0/41.0
IC3 1190002581 S.IC ITRAX03S1/IT03S341EPPS1677
<MRF T 27.0/48.5
D1 1730002331 S.ZEN MAZ8100GML T 10.8/20.2
D2 1730002331 S.ZEN MAZ8100GML T 10.8/16.7
D3 1730002331 S.ZEN MAZ8100GML T 11.5/13.8
D4 1730002331 S.ZEN MAZ8100GML T 11.5/10.4
D5 1790001711 S.DIO NNCD5.6C-T1-A T 10.5/25.1
FI1 2020002550 S.DIE TDFM2A-1575A-10A T 40/46.7
R1 7030003200 S.RES ERJ3GEYJ 100 V (10) T 22.3/31.5
R2 7030003200 S.RES ERJ3GEYJ 100 V (10) T 22.3/32.8
R3 7030003560 S.RES ERJ3GEYJ 103 V (10K) T 25.0/35.9
R4 7030003560 S.RES ERJ3GEYJ 103 V (10K) T 23.7/35.9
R5 7030003360 S.RES ERJ3GEYJ 221 V (220) T 17.6/56.2
R6 7030003360 S.RES ERJ3GEYJ 221 V (220) T 36.4/40.5
R7 7030003360 S.RES ERJ3GEYJ 221 V (220) T 37.7/40.5
R8 7030003360 S.RES ERJ3GEYJ 221 V (220) T 17.5/48.2
R9 7030003520 S.RES ERJ3GEYJ 472 V (4.7K) T 17.6/59.0
C1 4550007960 S.TAN TEESVB2 1E 475M8R T 38.6/24.5
C2 4550007090 S.TAN TEESVA 1A 226M8R T 30.1/36.2
C3 4030006900 S.CER C1608 JB 1H 103K-T T 26.3/35.9
C4 4550007960 S.TAN TEESVB2 1E 475M8R T 38.6/28.6
C5 4550007960 S.TAN TEESVB2 1E 475M8R T 38.6/32.4
C6 4550007960 S.TAN TEESVB2 1E 475M8R T 27.7/23.7
C7 4550007960 S.TAN TEESVB2 1E 475M8R T 20.9/27.0
C8 4510009030 S.ELE EEE0JA101SP T 8.0/32.5
C9 4030006900 S.CER C1608 JB 1H 103K-T T 10.6/36.8
C10 4510009030 S.ELE EEE0JA101SP T 8.0/49.5
C11 4030006900 S.CER C1608 JB 1H 103K-T T 10.6/45.2
C13 4030007130 S.CER C1608 CH 1H 101J-T T 12.5/16.4
C14 4030007130 S.CER C1608 CH 1H 101J-T T 11.5/12.1
C15 4030006900 S.CER C1608 JB 1H 103K-T T 11.9/25.8
C16 4030006900 S.CER C1608 JB 1H 103K-T T 17.6/43.5
C17 4030006900 S.CER C1608 JB 1H 103K-T T 36.4/53.7
C18 4550007090 S.TAN TEESVA 1A 226M8R T 39.5/53.7
C19 4030006900 S.CER C1608 JB 1H 103K-T T 18.4/37.9
C20 4030017810 S.CER C1608 CH 1H 102J-T T 36.4/48.7
J2 6510018951 S.CON B7B-PH-SM4-TB(LF)(SN) T 7.0/19.0
EP2 6910012350 S.BEA MMZ1608Y 102BT T 17.6/40.7
EP3 6910019890 E.O #DAKC1575MS74T
REF PARTS DESCRIPTION M. H/V
NO. NO. LOCATION
[MAIN UNIT]
M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)
S.=Surface mount

4 - 1
[CHASSIS PARTS]
REF ORDER DESCRIPTION QTY.
NO. NO.
W1 8900018230 OPC-1886 <LIA> 1
MP1 8510012340 2273 L-CASE 1
MP2 8930049320 2288 VENT.SHEET 1
MP3 8810008661 PHBT M3 X 8 NI-ZC3 4
MP11 8510012351 2273 U-CASE-1 1
MP13 8930049392 2273 MAIN SEAL-2 (TOT) 1
MP14 8820001210 2438 SCREW 4
MP15 8930052290 O-RING (AD) (TOP) 4
[MAIN UNIT]
[ACCESSORIES]
REF ORDER DESCRIPTION QTY.
NO. NO.
J2* 6510018951 B7B-PH-SM4-TB (LF) (SN) 1
REF ORDER DESCRIPTION QTY.
NO. NO.
MP1 8930049400 2273 PIPE 1
MP2 8930049740 HAS-40 (X-2272-3) STAINLESS BAND 2
SECTION 4
.
MECHANICAL PARTS
*: Refer to “BOARD LAYOUTS” for the location.
Screw abbreviations A, B0, BT: Self-tapping PH: Pan head ZK: Black NI-ZU: Nickel-Zinc SUS: Stainless
MP1 MP2
MAIN UNIT
MP14(C)x4
MP15(C)x4
MP1(C)
W1(C)
MP11(C)
MP13(C)
MP2(C)
MP3(C)
J2(M)

5 - 1
SECTION 5
.
BOARD LAYOUTS
The combination of top side and bottom side of this
GPS5V
GPSGND
GND
GPSTXD
GND-G5
GPSRXD
GPS-D7
• MAIN UNIT
(TOP VIEW)
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C13
C14
C15
C16
C17 C18
C19
C20
CP1
D1D2
D3
D4
D5
EP2
FI1
IC1
IC2
IC3
J2
R1
R2
R3 R4
R5
R6 R7
R8 R9
1
J2
H0H5H10H15H20H25H30H35H40H45H50H55H60H65H70
V0 V5 V10 V15 V20 V25 V30 V35 V40 V45 V50 V55 V60 V65 V70

5 - 2
• MAIN UNIT
(BOTOM VIEW)
EP3
B6980B
2
3
4
1
H0 H5 H10 H15 H20 H25 H30 H35 H40 H45 H50 H55 H60 H65 H70
V0V5V10V15V20V25V30V35V40V45V50V55V60V65V70
The combination of top side and bottom side of this

6 - 1
SECTION 6
.
BLOCK DIAGRAM
GPS receiver moduleBPF
GPS antenna
RS-232 line driver
3.3 V
regulator
1CI
3CI
IC2
UPD4721GS
BA033FP
ITRAX03-S-1
GPS5V
GPSTXD
GPSRXD
3.3V
TDFM2A-1575A-10A
FI1
#DAKC1575MS74T
EP3