Kenwood KMC-38GPS Manual de usuario
Document Copyrights
Copyright 2006 by Kenwood Corporation. All rights reserved.
No part of this manual may be reproduced, translated, distributed, or transmitted in any
form or by any means, electronic, mechanical, photocopying, recording, or otherwise, for
any purpose without the prior written permission of Kenwood.
Disclaimer
While every precaution has been taken in the preparation of this manual, Kenwood
assumes no responsibility for errors or omissions. Neither is any liability assumed for
damages resulting from the use of the information contained herein. Kenwood reserves
the right to make changes to any products herein at any time for improvement purposes.
© 2006-9 PRINTED IN JAPAN
B51-8768-00 (N)516
GPS SPEAKER MICROPHONE
KMC-38GPS
SERVICE MANUAL
Microphone
Impedance ..................................................... 2.2kΩ(MAX)
Sensitivity .......................................... –65dB±4dB at 1kHz
Speaker
Impedance ............................................ 16Ω±15% at 1kHz
Rating input ............................................................... 0.5W
Maximum input ......................................................... 1.5W
Dimensions (W x H x D) ......................... 62 x 81 x 36 mm
(2-7/16 x 3-3/16 x 1-27/64 inches)
Weight .............................................. Approx. 240g/ 8.5oz.
GPS Receiver
Receiver system ................................. Parallel 12 channels
Receiver frequency
........................... 1575.42MHz±1MHz, L1 band, C/A code
GPS data format .................. Compatible with NMEA 0183
GPS data update cycle............................... Every 1 second
SPECIFICATIONS
The location data is calculated by the GPS unit and is then
sent to the transceiver via the RXD terminal of the universal
connector.
When the transceiver is turned OFF, the GPS unit enters
to backup mode and the power is supplied by the internal
rechargeable lithium battery.
When the transceiver is turned ON, the GPS unit enters to
normal operation mode and the power is supplied from the
transceiver via the 5M terminal of the universal connector.
While the transceiver is turned ON, the internal rechargeable
lithium battery charges.
It takes approximately 70 seconds to calculate the location
data when the GPS unit is “cold started” (full initialization).
CIRCUIT DESCRIPTION
Dressed screw
(N08-0547-08)
Lever (PTT)
(D10-0629-08)
This product complies with the RoHS directive for the European market.
This PCB does not have the LF silk screen, but it
is a lead-free solder corresponding product.
KMC-38GPS
2
HOW TO REPLACE THE INTERNAL BATTERY
Packing
Cover
GPS Unit
Capacitor
Internal Battery
If a Cold Start occurs frequently (the transceiver cannot
start GPS positioning after the transceiver is turned ON) even
though the transceiver has been continuously used, the inter-
nal battery may be degraded. In this case, the internal battery
must be replaced using the following procedure.
CAUTION: THE OPERATOR MUST WEAR AN ANTISTATIC
BAND WHEN REPLACING THE BUILT-IN BATTERY IN OR-
DER TO PREVENT STATIC DISCHARGE. THE INSTALLED IC
MAY BE DAMAGED BY A DISCHARGE OF STATIC ELEC-
TRICITY.
1. Remove the KMC-38GPS from the transceiver and 4
screws on the rear panel.
GPS Unit
2. Remove the cover and packing.
3. Remove the GPS unit installed in the upper part of the
microphone.
CAUTION: DO NOT DAMAGE CABLES WHEN REMOV-
ING THE GPS UNIT.
Note: Remove cables connected to the GPS unit, if
needed.
4. Remove the internal battery in the GPS unit by using the
soldering iron. Replace the battery with a new battery.
CAUTION: BE SURE THE POLARITY OF THE BATTERY
BEFORE INSTALLING IT. THE SIDE WITH THE CAPACI-
TOR IS + (POSITIVE) AND THE SIDE WITHOUT THE CA-
PACITOR IS – (NEGATIVE).
5. Reinstall the GPS unit, packing and cover.
KMC-38GPS
3
Check the GPS operation according to the following pro-
cedures.
1. Prepare the TK-2180 transceiver. (Set the GPS Position
Display to a key, such as the [S] key, with the FPU before-
hand.)
2. Connect the KMC-38GPS to the universal connector on
the transceiver.
3. Turn the transceiver power ON.
4. Go outside, then press the [S] key (the key that you previ-
ously set as the GPS Position Display) on the transceiver.
5. The “GPS” and latitude information are displayed on the
LCD of a transceiver.
GPS OPERATION CHECK METHOD AFTER REPAIRS
Reset the GPS unit by removing the internal battery and
then re-installing it. (To remove the internal battery, refer to
“HOW TO REPLACE THE INTERNAL BATTERY”.)
RESETTING THE GPS UNIT
TERMINAL FUNCTION
Universal connector
Pin No. Name I/O Function
1SSW O External speaker switch
2SP+ I Speaker input (BTL + side)
3SP- I Speaker input (BTL – side)
4MSW O External MIC switch
5EMC O MIC output
6ME-MIC GND
7PTT O PTT output
Pin No. Name I/O Function
8PF-No connection
9NC-No connection
10 E - GND
11 5M I Input from the power with DC 5V
12 TXD - No connection
13 RXD O GPS data output
14 E - No connection
KMC-38GPS
4
SCHEMATIC DIAGRAM
C10 0.1µ
R15
10k
R17 1M
R14 1M
R19 10k
R18 10k
R21
10k
R12 10k
C18 0.1µ
C9 220µ
2
18
6
4
2
7
8
3
1
3
5
6
4
C19 0.1µ
C14 100p
D3
IC2
R20 10
+
C17 10µ
C16 1µ
BT1
+
1PPS
BOOT VCC
BATT SD0
RD0
TP5
RD1
CN2
GPS MODULE
D1 R3
330
R16 10k
R13 10k
Q2Q1
654
123
654
123
L1
L2
100p
C21
Vcc 5V
BOOT
RXD
GPD (TXD)
E
TP4 RXD
TP3 GPD
TP2 E
TP1 VCC-5V
Checker
test point
D5
C2 100p
D2
L3
R22
56k
5
4
3
2
1
CN1
GPS UNIT
IC2 : TK11233CMCL-G
Q1,2 : UM6K1NTN
D1 : RB501V-40TE-17
D2,3,5 : AVR-M1608C220KT2AB
L1~3 : MMZ1608Y601BT
IC1 : NJM3404AM
6
5
78
4
–
–
+
+
2.7k
R14
R3 1k
12k
FB
0
R12
C3 1000P
C4 1000P
R7 C17
10k
R8
C16 0.01µ
10k
R9
47p
R2 1k
470p
SW1
PTT
470p
C5
10µ/16V
C9
10µ/16V
C1
10µ/16V
R13
R15
100
2.7k
R6 C7
22k
+
+
+
+
+
+
+
+
R5 68k
IC1
IC1
C6
10µ/16V
C8
10µ/16V
10µ/
16V
R4
22k
R1
2.2k
3
2
1
P5
P6
P7
CN3
6
5
4
3
2
1ECM
MAIN
ECM
SUB
JP1
PTT SWITCH UNIT
(W02-3720-08)
J1
EARPHONE JACK
Ø3.5
SP
P1
P2
MICROPHONE UNIT (W02-3720-08)
SP+
SP–
MIC
MICE
PTT
GPD
E
Vcc 5V
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
(R17)
R16
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
SSW
SP+
SP–
MSW
EMC
ME
PTT
PF
NC
E
5M
TXD
RXD
E
SUB UNIT (W02-3720-08)
CN2 CN2 CN1
CORD CIRCUIT
MIC
MICE
VCC 5V
SP+
SP–
PTT
E
GPD
MIC
MICE
VCC 5V
SP+
SP–
PTT
E
GPD
UNIVERSAL
CONNECTOR
CN1
(P5)
(P7)
(P6)
(E)
(Vcc 5V)
(GPD (TXD))
KMC-38GPS
5
EXPLODED VIEW
43
11
18 3
5
36x4
28
35x4
22
37x3
21
38
40x2
4
24
39 20
33
34
706 GPS UNIT
41
MICROPHONE
UNIT
41
SUB UNIT
41
PTT SWITCH UNIT
701 STICKER
704
SPACER
703
SPACER
702 HOLDER x2
708
RECTANGULAR
PLUG
707 PACKING
700 PLASTIC CABINET
705
CORD ASSY WITH PLUG
*2
*1
∗1: In order to maintain the waterproofing performance, the cord ASSY with plug cannot be replaced.
∗2: The GPS unit cannot be replaced.
Parts with the exploded numbers larger than 700 are not supplied.
KMC-38GPS
2967-3, Ishikawa-machi, Hachioji-shi, Tokyo, 192-8525 Japan
P. O. BOX 22745, 2201 East Dominguez Street, Long Beach,
6070 Kestrel Road, Mississauga, Ontario, Canada L5T 1S8
Rembrücker Str. 15, 63150 Heusenstamm, Germany
Leuvensesteenweg 248 J, 1800 Vilvoorde, Belgium
KENWOOD House, Dwight Road, Watford, Herts.,
Amsterdamseweg 37, 1422 AC Uithoorn, The Netherlands
Via G. Sirtori, 7/9 20129 Milano, Italy
Bolivia, 239-08020 Barcelona, Spain
(A.C.N. 001 499 074)
16 Giffnock Avenue, Centrecourt Estate, North Ryde, N.S.W. 2113 Australia
Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road,
1 Ang Mo Kio Street 63, Singapore 569110
CA 90801-5745, U.S.A.
Kwai Fong, N.T., Hong Kong
WD18 9EB United Kingdom
L’Etoile Paris Nord 2, 50 Allée des Impressionnistes,
Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex
PARTS LIST
3✽A02-3988-08 PLASTIC CABINET ASSY (REAR)
4B09-0382-08 CAP (PHONE)
5B42-7733-04 STICKER (WEEE)
11 D10-0629-08 LEVER (PTT)
18 G13-1638-08 CUSHION (PTT LEVER)
20 ✽G13-2201-08 CUSHION (SPEAKER)
21 ✽G13-2202-08 CUSHION (MAIN ECM)
22 G53-0820-08 PACKING (CASE)
24 G53-0834-08 PACKING (SPEAKER)
28 J29-0644-08 CLIP ASSY
33 K29-5217-18 KEY TOP (PTT)
34 N08-0547-08 DRESSED SCREW
35 ✽N09-6542-08 TAPTITE SCREW (CASE)
36 N46-2605-60 PAN HEAD TAPPING SCREW (CLIP)
37 N80-2005-43 PAN HEAD TAPTITE SCREW (PCB)
38 S70-0471-08 TACT SWITCH
39 T07-0359-18 SPEAKER
40 T91-0584-08 MIC ELEMENT
41 ✽W02-3720-08 ELECTRIC CIRCUIT MODULE (MIC, PTT SW, SUB UNIT)
43 ✽W09-1040-08 LITHIUM CELL
Ref. No.
Address
New parts
Parts No. Description
Destination
KMC-38GPS (Y58-3980-20)
KMC-38GPS
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