Motorola MCS 2000 User manual

1
Introduction
NOTE: The empty parentheses at the end of
the kit numbers and part numbers
mentioned throughout this document
stand for the alphabetical character (A,
B, etc.) that denotes the revision level
of the kit or part. The revision level of
the kits and/or parts may change from
time to time without affecting the
validity of these retrofit instructions.
This document describes and provides user instructions for Motorola
retrofit kit numbers H1634( ) and H1635( ).
Purpose of Retrofit
Kits
The purpose of the retrofit kits is to enable conversion of an MCS 2000
radio that is in the dash/local mounting configuration to the remote
mounting configuration.
The difference between the two kits is the particular radio models to
which each applies.
In the dash/local mounting configuration, the control head of the
radio is attached directly to the radio body and the radio is situated in
thevehiclesothatitscontrolsandindicatorsareaccessibletotheradio
user.
In the remote mounting configuration, the control head of the radio
ismounted where itscontrols and indicatorsare accessible tothe radio
user.However, the radiobody is mountedin the trunkor other remote
location in the vehicle.
RETROFIT INSTRUCTIONS
MCS 2000 MOBILE RADIOS
Conversion From Dash/Local
Mounting To Remote Mounting
Kit Number H1634( ) for Model I
FOR Radio
Kit Number H1635( ) for Model II
and Model III Radios
*6881084C29*
RETROFIT INSTRUCTIONS
68P81084C29-0
 1996 by Motorola, Inc., Radio Products Group
8000 W. Sunrise Boulevard
Ft. Lauderdale, FL 33322

2
There are two situations where these retrofit kits are used. The first is
where the radio body remains where it is presently located (e.g., under
the front seat or on the transmission hump) and just the control head
is moved to a different location (e.g., under the dashboard). The other
situationis where both the radio body and the control headare moved
to different locations.
Retrofit Kit
Applicability
Kit No. H1634( )
Retrofit kit No. H1634( ) is applicable to MCS 2000 Model I Radio
Models M01UGL6PW4_N (15W) and M01UJL6PW4_N (35W).
Kit No. H1635( )
Retrofit kit No. H1635( ) is applicable to: MCS 2000 Model II Radio
Models M01UGM6PW6_N (15W) and M01UJM6PW6_N (35W); and
to MCS 2000 Model III Radio Models M01UGN6PW6_N (15W);
M01UJN6PW6_N (35W).
Reference
Publications
Refer to Installation Instructions Manual for MCS 2000 Mobile Radios,
Motorola Stock No. 68P02058U20, for installation information not
included in these retrofit instructions.
Retrofit Kit
Contents
Kit No. H1634( )
Contents
The contents of Retrofit Kit No. H1634( ) are listed in Table 1 below.
Note from Table 1 that several items in the retrofit kit are themselves
kits, which contain two or more items.
Table 1 Contents of Retrofit Kit No. H1634( )
Part No. Description Quantity
GLN7290( ) Kit containing: control head back housing and
front gasket 1
GLN7291( ) Kit containing: transceiver front housing;
connector-header; and retainer 1
HKN4192( ) Kit containing: remote mount power cable (7-
meters long) and fuse adapter 1
HKN6112( )
or
HKN6098( )
Remote mount control head cable (5-meters
long) 1
HLN6599( ) Kit containing: control head trunnion; two (2)
wing screws; two (2) fillister head screws; and
two (2) connector gaskets
1

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Kit No. H1635( )
Contents
The contents of Retrofit Kit No. H1635( ) are listed in Table 2 below.
Note from Table 2 that several items in the retrofit kit are themselves
kits, which contain two or more items.
Retrofit
Instructions
To convert an MCS 2000 Radio from the dash/local mounting
configuration to the remote mounting configuration, perform the
following steps in the order given :
Removing Transceiver
From The Radio
Trunnion
1. Turn off radio using power switch on control head.
2. Refer to Figure 1 and, at radio trunnion, disconnect S-hook on
microphone cord from hole in trunnion.
NOTE: Microphone cord has a modular
telephone type plug. That plug can be
disconnected from its mating
connector on control head of radio in
the same way as a telephone handset
cord can be disconnected from the
telephone body.
HLN6603( ) Kit containing two (2) ( identical ) external
speaker connectors and one (1) jumper wire 1
68P81084C29 Retrofit Instructions 1
Table 2 Contents of Retrofit Kit No. H1635( )
Part No. Description Quantity
SDHN4197( ) Kit containing: control head back housing and
front gasket 1
GLN7291( ) Kit containing: transceiver front housing;
connector-header; and retainer 1
HKN4192( ) Kit containing: remote mount power cable (7-
meters long) and fuse adapter 1
HKN6112( )
or
HKN6098( )
Remote mount control head cable (5-meters
long) 1
HLN6599( ) Kit containing: control head mounting
trunnion; two (2) wing screws; two (2) fillister
head screws; and two (2) connector gaskets
1
HLN6603( ) Kit containing two (2) ( identical ) external
speaker connectors and one (1) jumper wire 1
68P81084C29 Retrofit Instructions 1
Table 1 Contents of Retrofit Kit No. H1634( )
Part No. Description Quantity

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3. Refer to Figure 2 and, at control head of radio, disconnect
microphone cord.
4. At rear of radio body, disconnect power and antenna cables.
5. At each side of radio, unscrew (counterclockwise) and remove the
wing screw that attaches radio body to radio trunnion.
6. Slide radio out of radio trunnion.
7. If only the control head of the radio is to be relocated and the
radio body is to remain where it is, skip the next two steps and
proceed to step 1 of the paragraph titled “Reconfiguring Control
Head” (Model I only or Models II and III only, as appropriate).
Otherwise, continue with next step.
8. Remove radio trunnion from its present location by removing the
four screws that attach it to vehicle.
9. Disconnect existing power cable from vehicle battery circuit. Then
remove power cable from vehicle.
Reconfiguring Control
Head (Model I only)
1. In Installation Manual 68P02058U20, refer to section titled
“Control Head Remote Mount Installation”.
2. Remove control head from radio body.
NOTE: The control head of the Model I radio
has a built-in loudspeaker. An external
loudspeaker can also be used with the
Model I radio. However, the
loudspeaker built-into the control
head and an external loudspeaker
cannot be used simultaneously. Step 3
below provides instructions for
Figure 1 Microphone Cord S-Hook
Connected to Trunnion
Radio
Trunnion
S-Hook
S-Hook Hole
(Four Places)
Microphone
Cord
MAEPF-25537-O Figure 2 Disconnecting Accessory
Plug and External Connections
from Radio
MAEPF-25538-O
Accessory
Connector
Bottom Side
of Radio
Control
Head
Radio
Chassis
Power
Cable
Antenna
Cable
Microphone
Cord
Accessory
Plug

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disconnecting the loudspeaker built
intothecontrolheadwhenanexternal
loudspeaker is to be used.
3. If an external loudspeaker is to be connected, unplug connector
on red loudspeaker wire inside control head from control head
circuit card assembly. Cover plug with insulating tape then push
wire back down into control head.
4. Reconfigure control head to remote mount configuration as
shown in the document referred to in step 1.
NOTE: Ifthe radio body is notbeingrelocated,
skip to the paragraph titled
“Disconnecting Original Loudspeaker
Wiring”.
Reconfiguring Control
Head (Models II and III
only)
1. In Installation Manual 68P02058U20, refer to section titled
“Control Head Remote Mount Installation”.
2. Remove control head from radio body.
3. Reconfigure control head to remote mount configuration as
shown in the document referred to in step 1.
NOTE: Ifthe radio body is notbeingrelocated,
skip to the paragraph titled
“Disconnecting Original External
Loudspeaker Wiring”.
Mounting Radio Body
1. Mount radio trunnion, removed from vehicle previously, in the
new location for radio body. Use the four original attaching
screws.
2. Route remote mount power cable (part of retrofit kit) from vehicle
engine compartment to new location for radio body.
NOTE: The following section describes the
reconfiguration of external
loudspeaker Kit Numbers HSN4024( )
and HSN4025( ). If no external
loudspeaker is to be used, skip to the
section titled “Mounting and
Connecting Control Head”.
Disconnecting Original
External Loudspeaker
Wiring
1. Refer to Figure 2 and on bottom side of radio unplug accessory
plug from accessory connector.
2. Refer to Figure 3, squeeze tabs together, and lift off cover from
accessory plug.

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3. Refer to Figure 4 and, using thumb pressure from bottom of shell,
push pin housing out of shell.
NOTE:
4. Before performing next step, examine carefully and record all
pertinent information about any wires from external accessories
that are already connected to pins of accessory plug.
5. Refer to Figure 5 and hold accessory plug pin housing so that side
with external speaker wires going into it faces upward. Then open
both wings of pin housing.
Tabs
Cover
(In Place)
MAEPF-25539-A
Cover
(Removed)
MAEPF-25569-O
Figure 3 Removing Top Cover from Accessory Plug
When 13-location side of pin
housing is facing away from you, pin
locations are numbered from 1
through 13 from left to right along
13-location side. Numbers continue
from 14 through 25 from left to right
along 12-location side.
Numbers for pin locations in pin
housing are visible only when pin
housing is removed from shell and its
wings are fully open.

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NOTE: Steps 6 and 7, which follow, re-route
theexternal speaker audio signal tothe
pigtail wires near the control head end
of the remote mount control head
cable.
6. Refer to Figure 6 and remove the two wires of the external
loudspeaker cable, with connector pins still attached, from
locations 1 and 3 in pin housing.
7. Refer to Figure 7 and insert pins of a jumper wire (part of retrofit
kit) into locations 1 and 2 in pin housing.
Figure 4 Removing Accessory Plug
Pin Housing from Shell
Pin
Housing
13 Location Side
Flat Side
Shell
MAEPF-25540-O Figure 5 Opening Wings of Accessory
Plug Pin Housing
Wing
Wing
Pin
Housing
Location Numbers
(Visible only when
wings are open)
MAEPF-25541-O
14 24 25
23
22
20
19 21
18
17
16
15

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8. If radio body is not being relocated, skip to step 10. Otherwise,
continue with step 9.
9. Extend all accessory wires so that accessory plug will reach new
location of radio body (see step 4).
10.Snap wings of accessory plug pin housing closed. Make sure that
pins on jumper wire and any other pins are seated correctly in pin
housing.
11.Insert pin housing back into shell in opposite way it was removed.
Be certain that 13-location side of pin housing is facing flat side of
shell. Also be sure that pin housing snaps securely into shell and is
not cocked in shell.
12.Install top cover back onto accessory connector by snapping it
over the tabs and pressing down.
13.Reroute accessory wires and accessory plug to new location of
radio body.
Modifying External
Loudspeaker Wire
1. Clip off the accessory plug pin from each of the two conductors
of the external loudspeaker wire.
NOTE: The two external loudspeaker
connectors included with the retrofit
kit are identical.
2. Refer to Figure 8 and open the hinged door of one of the external
loudspeaker connectors included in the retrofit kit.
Figure 6 Removing External Loudspeaker
Wires from Connector Pin Housing
Insert Jumper
Between Locations
1 and 2
Pin
Housing
MAEPF-25543-O
Remove
External Speaker
Wires from Locations
1 and 3
Pin
Housing
MAEPF-25542-O
Figure 7 Inserting Jumper into Pin Housing

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NOTE: Do not strip insulation from
conductors of external loudspeaker
wire when performing next step.
3. Using a small screwdriver, press each of the two unstripped
conductors of the external loudspeaker wire into one of the
channels in the external loudspeaker connector. Then close
hinged door of connector firmly and securely.
Modifying Remote
Mount Control Head
Cable
NOTE: In the next step, make sure to clip off
pigtail wires as close to connector as
possible.
1. Refer to Figure 10 and on control head end of remote mount
control head cable (part of retrofit kit) clip off existing connector
attached to pigtail wires that protrudes from side of cable.
Figure 8 External Loudspeaker Connector
with Door Open
MAEPF-25545-A
External
Speaker
Connector
Channels
MAEPF-25563-O
Figure 9 Pressing Unstripped Wires into
Channels in External Loudspeaker Connector

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2. Refer to Figure 8 and open the hinged door of the remaining
external loudspeaker connector included in the retrofit kit.
NOTE: Do not strip insulation from pigtail
wires when performing next step.
3. Refer to Figure 9 and using a small screwdriver, press each of the
two unstripped pigtail wires from the remote mount control head
cable into one of the channels in the external loudspeaker
connector. Then close hinged door of connector firmly and
securely.
Mounting and
Connecting Control
Head
1. In Installation Manual 68P02058U20, refer to section titled
“Control Head Remote Mount Installation”.
2. Mount control head trunnion (part of retrofit kit) in selected
location in vehicle using the two screws included with the
trunnion.
3. Secure control head into control head trunnion using the two
wingscrews included with the trunnion.
4. Route the remote mount control head cable from the radio body
to the control head.
5. Connect remote mount control head cable to control head and to
radio body.
Mounting and
Connecting External
Loudspeaker
1. In Installation Manual 68P02058U20, refer to section titled
“Remote Mount Installation” and mount external loudspeaker in
convenient location in vehicle.
2. Plug the new connector on external loudspeaker wire into new
external loudspeaker connector on remote mount control head
cable.
Figure 10 Removing Existing Connector from Remote Mount
Control Head Cable
Existing Connector
Snip Wire Leads
Close to Connector,
Discard Connector
MAEPF-25544-O