October 26, 2007
6880309U09-A
6-48
Disassembly/Reassembly Procedures
: Fastener Torque Chart
1. Use a soft cloth to remove any remaining residue. Alcohol may also be used, if necessary.
2. The thermal compound is applied to both the chassis surface and the PCB surface.
3. Apply pressure to the PCB and chassis to remove any air gaps between both surfaces.
6.4
Fastener Torque Chart
lists the various fasteners by part number and description, followed by the torque values
and the location where used. Torque all fasteners to the recommended value when assembling the
radio.
Table 6-2. Chassis Thermal Pad Parts
Item No.
Part No.
Description
1
1110022D23
Silicone Thermal Compound
Table 6-3. Fastener Torque Chart
Part Number
Description
Repair
Torque
(kgf*cm)
Repair
Torque
(in.lbs.)
Where Used
HKLN4371_
Hex Nut - Supplied with
VR Unit Board Kit
7.5
–
8.6
6.5
–
7.5
Volume Potentiometer
0208800H17
Special Nut
7.5
–
8.6
6.5
–
7.5
Channel Selector Switch
HKLN4372_
Special Nut - Supplied
with Panel Interface
Board Kit
4.6
–
5.8
4
–
5
Speakerphone Jack
0308800H22
Screw, Taptite screw
M2.6x6
3.5
–
4.6
3
–
4
Key Unit Board Kit, Display Unit Board
Kit, Internal Speaker
0308800H21
Screw, Binding Head
screw M3x6 SUS B
3.5
–
4.6
3
–
4
Control Head Front Housing, Transceiver
Front Panel (Bottom)
0308800H24
Screw, Binding Head
screw M4x8 SUS B
5.8
–
6.9
5
–
6
Cable Strain Relief Plate, Control Head
Back Housing Assembly
0308800H23
Screw, Binding Head
screw M3x6 NI
5.8
–
6.9
5
–
6
Heat Sink, Panel-Interface Unit Board Kit
0308800H39
Screw, Binding Head
screw M3x6 SUS
3.5
–
4.6
3
–
4
Transceiver Front Panel, Antenna
Connector
0308800H22
Screw, Taptite screw
M2.6x6
3.5
–
4.6
3
–
4
RF-Interface Board Kit
0308800H40
Screw, Taptite screw
M3x8 NI
9.8
–
10.9
8.5
–
9.5
Main-Unit Board Kit and PA-Unit Board
Kit
0308800H41
Screw, SEMS screw
HSM3x6 NI
5.8
–
6.9
5
–
6
Main-Unit Board Kit terminal and PA-Unit
Board Kit terminal
0308800H42
Screw, SEMS screw
SM3x8 NI
5.8
–
6.9
5
–
6
PA-Unit Board Kit
0308800H43
Screw, SEMS screw
ASM3x8 NI
4.6
–
5.8
4
–
5
PA-Unit Board Kit
Содержание PM1200
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Страница 6: ...iv Notes ...
Страница 30: ...October 26 2007 6880309U09 A 2 4 Basic Maintenance Handling Precautions Notes ...
Страница 38: ...October 26 2007 6880309U09 A Notes 3 8 Basic Theory of Operation PLL Synthesizer ...
Страница 42: ...October 26 2007 6880309U09 A Notes 4 4 Test Equipment Service Aids and Tools Field Programming Equipment ...
Страница 104: ...October 26 2007 6880309U09 A Notes 6 50 Disassembly Reassembly Procedures Fastener Torque Chart ...
Страница 108: ...October 26 2007 6880309U09 A Notes 7 4 Basic Troubleshooting Receiver Troubleshooting ...
Страница 122: ...9 4 Exploded Views and Parts Lists PM1200 Radio Exploded View October 26 2007 6880309U09 A Notes ...
Страница 126: ...October 26 2007 6816532H01 A B 2 Motorola Service Centers Motorola Federal Technical Center Notes ...
Страница 134: ...October 26 2007 6880309U09 A Glossary 8 Notes ...
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