Motorola Mototrbo Dr3000 Repeater Basic 6866576d03 A Manual

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Transmit and Receive Radio Reassembly — Detailed 5-17
4. Place the PA pad on to the die cast cover by aligning the two holes in the PA pad with the 
alignment pins on the die cast cover. 
5. Fit the O-ring onto the die cast cover securely. Refer to Figure 5-17.
Figure 5-17.  Assembling of PA Pad and O-ring
PA  P a d
Die Cast Cover
O-ring 

February 21, 20076866576D03-A
5-18Disassembly/Reassembly Procedures: Transmit and Receive Radio Reassembly — Detailed
6. Place the die cast cover onto the chassis orienting the die cast cover so that screw holes 6 
and 7 align with the bosses on the chassis as shown in Figure 5-18.
Figure 5-18.  Assembling Die Cast Cover onto Chassis
Radio Chassis
Die Cast Cover
Screws (7) 

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Transmit and Receive Radio Reassembly — Detailed 5-19
7. Using a T20 TORX™ driver, tighten the seven screws between 2.94 N-m (26 lbs-in) in the 
order shown in Figure 5-19.
8. Repeat tightening the seven screws in the order shown otherwise the first three screws will 
likely be loose.
Figure 5-19.  Screw Sequence to Tighten Die Cast Cover
5.8.2 Thermal Pad Replacement Procedure
A. Chassis Thermal Pad Replacement Procedure
Harmonic Filter...

February 21, 20076866576D03-A
5-20Disassembly/Reassembly Procedures: Transmit and Receive Radio Reassembly — Detailed
Driver Thermal pad Replacement 
1. Use a plastic flat-edge tool to lift the pad from the chassis surface. Discard the old pad. 
2. Use a soft cloth to remove any remaining residue. Alcohol can also be used, if necessary. 
Care should be taken to minimize any cleaning-agent contact with the surrounding shield 
gasket.
3. Once the surface is clean and dry, remove the new pad from the...

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Transmit and Receive Radio Reassembly — Detailed 5-21
5.8.3 Reassembly of Receive Radio, Power Supply and Connector Board Assembly
(Refer to Figure 5-6)
Visually inspect repeater enclosure to ensure that no metal shavings or debris are found.
5.8.3.1  Reassembly of Power Supply
1. Align the two mounting holes on each side of the bracket with the mounting holes on the 
power supply.
2. Secure the power supply and the bracket with four M5...

February 21, 20076866576D03-A
5-22Disassembly/Reassembly Procedures: Transmit and Receive Radio Reassembly — Detailed
12. Insert the solder terminal end of the SSI cable into the 11-position connector at the front face 
of Receive radio. A dashed black line is visible from the top view.
5.8.4 Reassembly of Transmit Radio
(Refer to Figure 5-5)
5.8.4.1  Replacing the Thermal Pad and Heatsink
1. Make sure that mating surfaces of Heatsink and Transmit radio are cleaned and free from any 
debris.
2. Align the...

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Transmit and Receive Radio Reassembly — Detailed 5-23
5.8.5 Reassembly of Fan
1. Position the fan in the enclosure with arrow pointing outward and the wires on the fan at the 
bottom right corner of the fan.
Figure 5-23.  Fan Orientation
2. Position the fan grill outside of the enclosure aligning with the screw holes.
3. Install four 3.5 mm screws through the fan grill, the rear panel of the enclosure and onto the 
fan clip.
4. Secure the...

February 21, 20076866576D03-A
5-24Disassembly /Reassembly  Procedures: Repeater Exploded Mechanical Views and Parts Lists
5.9 Repeater Exploded Mechanical Views and Parts Lists
Figure 5-24.  Repeater Assembly Exploded View
1 54 
17
9   137
12
15
1011
14
16
8
6
3
2 32
33
16
Transmit Bracket & 
See following pages 
Receive Bracket &
Radio assembly
See following pages
for breakdown.
Front Panel
complete assembly
See following pages 
for breakdown. Radio Assembly
for breakdown. 

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Repeater Exploded Mechanical Views and Parts Lists 5-25
Figure 5-25.  Receive Bracket and Radio Assembly Exploded View
Figure 5-26.  Transmit Bracket and Radio Assembly Exploded View
20
31 23
18
19
22
21
282726
25
24
19
31 

February 21, 20076866576D03-A
5-26Disassembly /Reassembly  Procedures: Repeater Exploded Mechanical Views and Parts Lists
Figure 5-27.  Front Panel Complete Assembly Exploded View
Table 5-3.  Repeater Exploded View Parts List
Item No. Description Part Number
1Screw, TT6x1.0x10, Starpan, EM6219 (black)0312016A54
2  Repeater Indicator Board PMLN4814_
3 Cable, Flex SSI3015639H01
4  Cable, Flex 30-Position 3015634H01
5 Fan Assembly5915618H01
6 Enclosure Assembly 1515837H01
7 To p  C o v e r1515655H01
8...