Motorola Radio Mcs2000 Vol 1 68p81083c20 A Manual

Disassembly & Reassembly and Replacement Procedures 5-15 driver (see Figure 5-7). Install the remaining screws (except the three 
screws that retain the PA shield) with 6-8 in lbs of torque using a T-10 
Torx driver.
9.On Mid Power Models Only: Install the PCB and Audio PA clips.
10. Insert the PA shield. Tighten the three screws that hold it to the PCB and 
the one screw in the middle of the board with 6-8 in lbs of torque using a 
T-10 Torx driver.
11.On Low Power Models: Install the Cavity Shield and...

5-16 Disassembly & Reassembly and Replacement Procedures
Transceiver Reassembly
High Power Models
Replace all gaskets at each servicing to ensure proper sealing of unit.
1. Inspect and reapply a thin
 coat of thermal compound as necessary to the 
heatsinking pads, voltage regulator and Audio PA areas in the chassis per 
Figure 5-17. A thick coat of thermal compound may negatively effect 
heat sinking.
Figure 5-17    WakeÞeld / Thermal Compound Application Area
2. Insert the transceiver board placing...

Disassembly & Reassembly and Replacement Procedures 5-17 3. Replace the 25-D connector gasket on the transceiver board.
4. Replace the RF and power connector gaskets on the PA board.
5. Install the PA board carefully at an appropriate angle (approximately 30
o) 
to the chassis connecting the 2 and 12 pin connectors to the RF board.
6. Install the 2 PA connector retaining clips over the RF and power 
connectors and chassis wall.
Observe the screw-down sequence in Figure 5-19 when installing screws....

5-18 Disassembly & Reassembly and Replacement Procedures8. Install the Audio PA clip to the corner of the chassis (per Figure 5-20) by 
applying downward, equal pressure to the side and main tab of the clip. 
Side pressure on the clip will negatively impact heat sinking of the 5 V 
Regulator and Audio PA. The placement tab should rest ßush against the 
top of the chassis wall.
Figure 5-20    Inserting Audio PA Clip
9. Install the RF shield by placing it over the chassis with the front and 
back tabs...

Disassembly & Reassembly and Replacement Procedures 5-19Figure 5-21    Installing Cover Gasket
14. Install the accessory connector assembly through the bottom side of the 
radio. Be sure to install the connector straight down into the unit 
because otherwise it will catch on the housing and no connection will be 
made.
The radio will not function without the accessory connector.
Locking Tab
(other tab on opposite
side of chassis)
Lowest point of gasket locating feature ÒVÓ Gasket twist 
direction
Note 

5-20 Disassembly & Reassembly and Replacement Procedures
Replaceable Pushbuttons Replacement Procedure
Availability of replaceable pushbutton control heads depends upon date 
order was placed, shipped and based upon options ordered. Contact your 
Parts division for aftermarket kits and parts.
Models II & III
KEYPAD WITH REPLACEABLE PUSHBUTTONS
There are Þve sizes of replaceable pushbuttons, which are designated sizes A, 
B, C, and D. The locations and sizes of the Model I, II and III replaceable...

Disassembly & Reassembly and Replacement Procedures 5-21 Replaceable pushbuttons can be replaced in two ways: 
¥ while the control head is disassembled or 
¥ while the control heads is assembled. 
Replacement in 
Disassembled 
Control HeadTo replace buttons in a control head that is already disassembled, follow the 
procedure below.
1. Pull replaceable pushbutton up and out of housing.
2. Replace buttons as necessary per Table 5-1, ÒReplaceable Pushbutton 
Graphics and Part Numbers,Ó on page 5-23.
3....

5-22 Disassembly & Reassembly and Replacement Procedures5. Verify that tabs on replacement pushbutton are engaged behind control 
head faceplate and that pushbutton operates freely.
6. Using RSS software and manual, reprogram the radio so that replaced 
pushbutton has the desired function.
Figure 5-25   Grasping Pushbutton with Flat End Pliers
Figure 5-26   Pulling Pushbutton Away from Control Head
MCS 2000
MEPC-96618-O/None
Ta b
Ta bPlier
Nibs PushbuttonControl Head
Faceplate
MCS 2000
MEPC-96619-O/GB 

Disassembly & Reassembly and Replacement Procedures 5-23 Table 5-1   Replaceable Pushbutton Graphics and Part Numbers
Graphic Pushbutton Part Number
Legend Description Color Size A  Size B Size C  Size D Size E 
BLANKBlank White 3805230Z01 3805231Z01 3805232Z01 3805233Z01 3805234Z01
BLANKBlank Orange 3805230Z18 3805231Z14 3805232Z10 N/A 3805234Z10
AA Black 3805230Z42 3805231Z42 3805232Z42 N/A 3805234Z40
BB Black 3805230Z43 3805231Z43 3805232Z43 N/A 3805234Z41
CC Black 3805230Z44 3805231Z44 3805232Z44 N/A...

5-24 Disassembly & Reassembly and Replacement Procedures
Call Symbol Black 3805230Z26 3805231Z13 3805232Z22 N/A 3805234Z07
Emergency 
SymbolWhite 3805230Z27 3805231Z02 3805232Z23 N/A 3805234Z02
Emergency
SymbolOrange 3805230Z19 3805231Z15 3805232Z11 N/A 3805234Z11
Horn/Light 
SymbolBlack 3805230Z28 3805231Z10 3805232Z24 N/A 3805234Z27
Home
SymbolBlack 3805230Z29 3805231Z25 3805232Z09 N/A 3805234Z28
Monitor
SymbolBlack 3805230Z04 3805231Z26 3805232Z25 N/A 380523«4Z29
Option
SymbolBlack 3805230Z15...