Motorola Mototrbo Dr3000 Repeater Basic 6866576d03 A Manual

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Disassembly Procedures — Detailed 5-7
5.6.4 Removing Transmit Radio
(Refer to Figure 5-5)
1. Disconnect flex cable from 30-position connector on Transmit radio, noting orientation of 
cable which is identified with a solid blue line. This is important for reassembly.
2. Disconnect SSI flex cable from the connector on the Transmit radio, noting orientation of 
cable which is identified with a solid black line. This is important for...

February 21, 20076866576D03-A
5-8Disassembly /Reassembly  Procedures: Disassembly Procedures — Detailed
5.6.4.1  Removing Thermal Pad and Heatsink
(Refer to Figure 5-5)
1. Remove all of the seven screws which secure the heatsink to the Transmit radio using a T10 
TORX™ driver.
2. Remove the heatsink from the Transmit radio.
3. Peel off and discard the thermal pad.
4. Replace all worn parts.
5.6.5 Removing Receive Radio, Power Supply and Connector Board Assembly
(Refer to Figure 5-6)
1. Disconnect SSI...

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Disassembly Procedures — Detailed 5-9
9. Take precaution not to damage the power supply or the connector board assembly and place 
assembly on a flat surface.
Figure 5-6.  Receive Radio Removal
Receive Bracket
Receive Radio
Power Supply
Connector Board
M3 Screws (5)
M5 Screws
Washer Assembly 

February 21, 20076866576D03-A
5-10Disassembly /Reassembly  Procedures: Disassembly Procedures — Detailed
5.6.5.1  Disassembly of Receive Radio
(after Receive radio assembly is removed from repeater)
1. With assembly on a flat surface, loosen and remove the two M5 screws and washers that 
secure the Receive radio to the bracket using a T25 TORX™ driver.
2. Slide the Receive radio out of the bracket.
5.6.5.2  Disassembly of Connector Board Assembly
(after Receive radio assembly is removed from repeater)
1....

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Transmit and Receive Radio Disassembly — Detailed 5-11
5.7 Transmit and Receive Radio Disassembly — Detailed
To remove Transmit and Receive radios from the repeater, refer to Sections 5.6.4 and 5.6.5 
accordingly.
5.7.1 Transceiver Board and Receiver Board Removal
1. Remove the seven screws from the die cast cover using the T20 TORX™ driver as shown in 
Figure 5-7. 
NOTE:Do not remove the O-rings from the screws.
2. Lift the die cast...

February 21, 20076866576D03-A
5-12Disassembly /Reassembly  Procedures: Transmit and Receive Radio Disassembly — Detailed
3. Remove the accessory connector from the radio assembly by inserting a flat-blade 
screwdriver into the slot on the side of the connector as shown in Figure 5-8.
Figure 5-8.  Accessory Connector Removal
4. Remove the RF/DC retention clips by gently prying them out with a flat-blade screwdriver as 
shown in Figure 5-9.
Figure 5-9.  RF/DC Retention Clips Removal The accessory connector...

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Transmit and Receive Radio Disassembly — Detailed 5-13
5. Remove the transceiver board by sliding a finger into the opening provided at the front of the 
radio and gently press up on the 30-pin connector, lifting up the front of the board, as shown 
in Figure 5-10. Then, slide the transceiver board towards the front of the radio to allow the 
RF/DC connectors to clear the chassis. Handle the transceiver board by the edges only and 
store...

February 21, 20076866576D03-A
5-14Disassembly/Reassembly Procedures: Transmit and Receive Radio Reassembly — Detailed
5.8 Transmit and Receive Radio Reassembly — Detailed
The following reassembly procedures are applicable to both the Transmit and Receive radios.
1. Prior to reassembling the radio, inspect all seals and sealing surfaces for damage (nicks, 
cuts, etc.) or debris. Refer to the exploded view and bill of materials for the correct part 
numbers and replace parts, as necessary. Reseat all new...

6866576D03-AFebruary 21, 2007
Disassembly /Reassembly  Procedures: Transmit and Receive Radio Reassembly — Detailed 5-15
3. Assembly of the GPS Plug
Push the GPS plug into the chassis opening until it is fully seated. Refer to Figure 5-13.
Figure 5-13.  Replacing GPS Plug
5.8.1 Transceiver Board and Receiver Board Reassembly
1. Insert the transceiver board into the chassis by tilting the transceiver board (approximately 30 
degrees) and sliding it into place, taking care to line up the RF and DC...

February 21, 20076866576D03-A
5-16Disassembly/Reassembly Procedures: Transmit and Receive Radio Reassembly — Detailed
2. Insert the RF/DC retention clips and fully seat them. The DC clip should be inserted first to 
properly locate the transceiver board. Refer to Figure 5-15. 
Figure 5-15.  Inserting RF/DC Retention Clips
3. Insert the accessory connector into the radio assembly and press into place until the 
connector is flushed with the chassis. Refer to Figure 5-16.
Figure 5-16.  Inserting Accessory...