Motorola Maintainability Manual

							Notes For All Schematics and Circuit Boards2-9
VS MIC Voice Storage Audio Signal into Microphone Path
VS RAC Voice Storage Row Address Clock Signal
VSF Voltage Super Filtered (5V)
VSTBY 5V Supply for *P when the Radio is switched off
4-LAYER CIRCUIT BOARD DETAIL VIEWING
COPPER STEPS IN PROPER LAYER SEQUENCE
LAYER 1 (L1)
LAYER 2 (L2)
LAYER 3 (L3)
LAYER 4 (L4)
INNER LAYERS SIDE 1
SIDE 2 
						

							2-10MAINTENANCE 
						

							Chapter 3
SERVICE AIDS
1.0 Recommended Test Tools
Table 3-1 lists the service aids recommended for working on the radio. While all of these items are 
available from Motorola, most are standard workshop equipment items, and any equivalent item 
capable of the same performance may be substituted for the item listed.
Table 3-1   Service Aids
Motorola Part 
NumberDescription Application
RLN4460_Portable Test SetEnables connection to audio/accessory jack. 
Allows switching for radio testing.
RKN4081_ Programming Cable with 
Internal RIBIncludes radio interface box (RIB) capability.
RLN4853_10 to 20 Pin AdapterConnects RKN4081_ to the radio accessory 
connector.
RKN4083_ Mobile Programming/Test 
CableConnects radio to RIB (RLN4008_).
GTF374_Program CableConnects RIB to Radio microphone input
RLN4008_ Radio Interface Box Enables communications between radio and 
computer’s serial communications adapter.
HLN8027_Mini UHF to BNC AdaptorAdapts radio antenna port to BNC cabling of 
test equipment.
GPN6133_ Power Supply Provides the radio with power when bench 
testing. 
EPN4040_Wall-Mounted Power SupplyUsed to supply power to the RIB (UK).
EPN4041_ Wall-Mounted Power Supply Used to supply power to the RIB (Euro)
8180384J59Housing Eliminator (short)Test Fixture used to bench test the radio pcb 
8180384L95 Housing Eliminator 
(short + top)Test Fixture used to bench test the radio pcb. 
(Radio using pressure pads to retain pcb)
8180384J60Housing Eliminator 
(medium)Test Fixture used to bench test the radio pcb
8180384J61 Housing Eliminator (long) Test Fixture used to bench test the radio pcb
3080369B71Computer Interface CableConnects the RIB to the Computer (25-pin)
3080369B72 Computer Interface Cable Connects the RIB to the Computer 9-pin
(Use for IBM PC AT - other IBM models use 
the B71 cable above)
6686119B01Removal ToolAssists in the removal of radio control head. 
						

							3-2SERVICE AIDS
2.0 Test Equipment
Table 3-2 lists test equipment required to service the radio and other two-way radios.
Table 3-2   Recommended Test Equipment
Motorola Part 
NumberDescription Characteristics
Application
R2600_NTComms System Analyzer 
(non MPT)This monitor will 
substitute for items 
with an asterisk*Frequency/deviation 
meter and signal 
generator for 
widerange 
troubleshooting and 
alignment
R2680_NT Comms System Analyzer 
( MPT1327) to be ordered 
with 
RLN1022_ (H/W) 
RLN1023_ (S/W)This monitor will 
substitute for items 
with an asterisk*.Frequency/deviation 
meter and signal 
generator for 
widerange 
troubleshooting and 
alignment
*R1072_Digital MultimeterAC/DC voltage and 
current 
measurements
*R-1377_ AC Voltmeter 100µV to 300V, 5Hz - 
1MHz, 10Megohm 
input impedanceAudio voltage 
measurements
WADN133Delay Oscilloscope2 Channel 40MHz 
bandwidth, 
5mV/cm - 20 V/cmWavefor m 
measurements
R1440_
0180305F17
0180305F31
0180305F39
RLN4610
T1013_Wattmeter,
Plug-in Elements
Plug-in Elements
Plug-in Elements
Carry case
RF Dummy LoadThruline 50-Ohm,
±5% accuracy
100W, 25 - 60MHz
25W, 100-250MHz
10W, 200-250MHz
Wattmeter and 
6 elementsTransmitter power 
output 
measurements
S1339_RF Millivolt Meter100mV to 3 VRF.
10kHz to 1.2GHzRF level 
measurements
R1011_/220V 220V Power Supply 0 - 40V 0 - 40A Programmable