Motorola Xpr 7000 Seris Basic 68009498001 A Manual

							Disassembly/Reassembly Procedures: Radio Reassembly - Detailed 5-21
5.7.3 Chassis Reassembly
O-ring reassembly:
i. Ensure that the main O-ring is not twisted and untangle it to its actual form if needed 
before performing reassembly.
ii. Insert D into the bottom two notches on the chassis.
iii. Fit C around the bottom two corners of the chassis.
iv. Insert B1 to B4 following the sequence as shown in Figure 5-18.
v. Secure A into the top 2 notches of the chassis.
vi. Replace the battery contact seal.
Figure 5-18.  O-ring reassembly.
A
B1
B2
B3
B4
C
D
Battery Contact Seal 
						

							5-22Disassembly/Reassembly Procedures: Radio Reassembly - Detailed
Figure 5-19.  Chassis reassembly
1.Place the main board onto the chassis.
2.Tighten the main board screws in the sequence shown in Figure 5-16.
3.Place the GOB on the chassis.
Main board screws
GOB screws 
						

							Disassembly/Reassembly Procedures: Radio Reassembly - Detailed 5-23
4.Tighten the GOB screws following the sequence shown in Figure 5-17.
Figure 5-20.  GOB reassembly
5.Connect GOB flex to the main board.
2
1
3
GOB 
						

							5-24Disassembly/Reassembly Procedures: Radio Reassembly - Detailed
5.7.4 Chassis and Front Cover Reassembly
1.Connect the flex to the main board and the keypad board.
2.Insert top chassis tabs into the recesses on front cover and the tabs are fully inserted.
3.Gently push down the chassis into the front cover until it snaps in place.
4.Align the shroud with the top of the front housing and slide it in place.
5.Insert knobs, antenna and battery.
Figure 5-21.  Chassis reassembly
Shroud 
						

							Disassembly/Reassembly Procedures: Radio Reassembly - Detailed 5-25
5.7.5 Bluetooth Antenna Kit Disassembly/Reassembly
5.7.5.1  Bluetooth Antenna Kit Disassembly
1.Use a T3 Torx screwdriver to unfasten the bluetooth module.
Figure 5-22.  Bluetooth removal for Full Keypad
Figure 5-23.  Bluetooth removal for Non Keypad
Screw
Bluetooth module
Screw
Bluetooth module 
						

							5-26Disassembly/Reassembly Procedures: Radio Reassembly - Detailed
5.7.5.2  Bluetooth Antenna Kit Reassembly
1.Place the Bluetooth module in the housing and fasten with a Torx 3 screwdriver.
Figure 5-24.  Bluetooth reassembly for Full Keypad
Figure 5-25.  Bluetooth reassembly for Non Keypad
Bluetooth module slot
Screw
Bluetooth module
Bluetooth module slot
Screw
Bluetooth module 
						

							Disassembly/Reassembly Procedures: Radio Reassembly - Detailed 5-27
5.7.6 GOB Installation
1.Fold the option board flex cable as shown.
2.Peel the adhesive strip off from the spacer supplied and affix the spacer to the bottom side of 
the option board where marked. 
						

							5-28Disassembly/Reassembly Procedures: Radio Reassembly - Detailed
3.Gently lift the connector flap of the option board and connect the option board flex cable. 
Gently close the flap.
4.Insert the option board with the motherboard into the chassis as shown below.
Flex
GOB Board
Flex
GOB Board
Option Board
Screw 
						

							Disassembly/Reassembly Procedures: Ensuring Radio Immersibility 5-29
5.8 Ensuring Radio Immersibility
This section discusses radio immersibility concerns, tests, and disassembly and reassembly of the 
XPR series radios.
5.8.1 Servicing
The XPR series radios shipped from the Motorola factory have passed vacuum testing and should 
be capable of restoring the watertight integrity of the radio.
5.8.2 Accidental Immersion
If the radio is accidentally dropped in water, shake the radio to remove the excess water from the 
speaker grille and microphone port area before operating; otherwise, the sound may be distorted 
until the water has evaporated, or is dislodged from these areas.
5.8.3 Specialized Test Equipment
This section summarizes the specialized test equipment necessary for testing the integrity of the 
XPR series radios.
To ensure that the radio is truly a watertight unit, special testing, test procedures, and specialized 
test equipment are required. The special testing involves a vacuum check of the radio and pressure 
testing (troubleshooting) for water leaks if the vacuum check fails. The specialized test equipment/
instrument (Table 2-2 on page 2-2) is authorized by Motorola and needed to perform the vacuum 
check and pressure testing, if required. Any equipment/tools/instruments not mentioned in the table 
must not be used to perform these test.
5.8.4 Vacuum Pump Kit NLN9839
The vacuum pump kit includes a vacuum pump with gauge, and a vacuum hose. A connector fitting 
(part number 5871134M01) and fitting seal (part number 3271133M01) pump connector, which must 
be ordered separately, connects the vacuum hose to the radio’s chassis.
Figure 5-26.  Connector Fitting - Fitting Seal Pump Connector It is strongly recommended that the maintenance of the radio be deferred to 
qualified service personnel and service shops. This is of paramount importance 
as irreparable damage to the radio can result from service by unauthorized 
persons. If disassembly is necessary, unauthorized attempts to repair the radio 
may void any existing warranties or extended performance agreements with 
Motorola. It is also recommended that immersibility be checked annually by 
qualified service personnel/workshop that is authorized by Motorola.
!
C a u t i o n
Fitting Seal 
(part number 
3271133M01)
Connector Fitting 
(part number 
5871134M01) 
						

							5-30Disassembly/Reassembly Procedures: Ensuring Radio Immersibility
5.8.5 Pressure Pump Kit NTN4265
The pressure pump kit includes a pressure pump with gauge, and a pressure hose. As with the 
vacuum pump kit above, the connector fitting - fitting seal pair connects the pressure hose to the 
radio’s chassis.
5.8.6 Miscellaneous Hardware
Other items needed for testing the immersibility radio include:
• Large water container
• Deionized (DI) water
• A supply of replacement parts: Main seal O-ring, Battery Contact Seal, Breathing Vent Label 
and Breathing Vent Membrane.
5.8.7 Vacuum Test
The vacuum test uses a vacuum pump and gauge. The pump creates a vacuum condition inside the 
radio, and the gauge monitors the radio for a stable vacuum reading; that is, checking for a properly 
sealed, watertight unit. Before starting the vacuum test:
• Remove the battery.
• Remove the universal connector dustcover to expose the universal connector.
• Remove the breathing vent label and breathing vent membrane.
To conduct the vacuum test:
1.Attach antenna firmly to the radio.
2.Attach the vacuum hose to the vacuum pump. Check the pump and hose for leaks by 
blocking off the open end of the hose and operating the pump a few times. The actual reading 
of the gauge at this point is not important; it is important that the gauge pointer remained 
steady, indicating no vacuum leaks in the pump.
3.Ensure that the fitting seal is attached to the hose-to-chassis pump connector. Screw the 
pump connector into the tapped hole in the chassis.
4.Attach the open end of the hose to the pointed end of the pump connector.
5.Place the radio on a flat surface with the chassis facing upward.
6.Operate the pump until the gauge indicates 6 in. Hg of vacuum on the radio.Observe the 
gauge for approximately 1 minute.
• If the needle falls 0.5 in. Hg or less (one scale interval, for example, from 3 in. Hg to 2.5 in. 
Hg), then the radio has passed the vacuum test and is approved for immersibility. No 
additional testing will be required.
• If the needle falls more than 0.5 in. Hg (one scale interval, for example, from 3 in. Hg to less 
than 2.5 in. Hg), then the radio has failed the vacuum test and the radio might leak if Please do not bend or over tighten pump connector to the chassis.
!
C a u t i o n