Motorola Portable Radio Ep450 Basic Hkln4215a Manual

December 3, 2003HKLN4215A
3-2Test Equipment, Service Aids, and Service Tools: Service Aids
3.2 Service Aids
Ta b l e  3 - 2 lists service aids recommended for working on the EP450 Radios. While all of these items 
are available from Motorola, most are standard shop equipment items, and any equivalent item 
capable of the same performance may be substituted for the item listed.
Table 3-2.  Service Aids 
Motorola Part 
No.Description Application
RLN4460Portable Test SetEnables connection to the...

HKLN4215ADecember 3, 2003
Test Equipment, Service Aids, and Service Tools: Service Aids 3-3
0180386A78Illuminated magnifying glass with 
lens attachment
Illumination and magnification of components
0180302E51 Master lens system
0180386A82Anti-static grounding kitUsed during all radio assembly and disassembly pro-
cedures
6684253C72 Straight prober
6680384A98Brush
1010041A86 Solder (RMA type), 63/67, 
0.5mm diameter, 1 lb. spool
0180303E45SMD tool kit (included with 
R1319A)
R1319 ChipMaster (110 V)...

December 3, 2003HKLN4215A
3-4Test Equipment, Service Aids, and Service Tools: Service Aids
Programming/Test Cable
Figure 3-1.  Programming/Test Cable
Figure 3-2.  Wiring of the Connectors
25 POSITION
FEMALE CONNECTOR 25 POSITION
MALE CONNECTOR
36.0”
CABLE
36.0”
CABLE
P1 P2 P3
P2
25 pin Male D Connector
Components molded inside
1
5
24
7
20
8
15
16
9
47
ohm
33K
+
1UF,16V 5% Orange
Blue
White
Spiral
Yellow
P1
2.5mm stereo and
3.5mm
1
2
5
3
4
3.5mm Tip
(Speaker +)
3.5mm
Sleeve
2.5mm Tip
(Microphone)
2.5mm...

Chapter 4 Performance Checks
4.1 General
These radios meet published specifications through their manufacturing process by utilizing high- 
accuracy laboratory-quality test equipment. The recommended field service equipment is as accurate 
as the manufacturing equipment with few exceptions. This accuracy must be maintained in 
compliance with the manufacturer’s recommended calibration schedule.
4.2 Power-Up Self Test
Applying power to the radio by using the on/off volume control, starts a self-test...

December 3, 2003HKLN4215A
4-2Performance Checks: RF Test Mode
Supply voltage can be connected from the battery eliminator. The equipment required for alignment 
procedures is connected as shown in the Radio Performance Checks Setup diagram (Figure 4-1).
Initial equipment control settings should be as indicated in Table 4-1 and should be the same for all 
performance checks and tuner alignment procedures.
4.3 RF Test Mode
When the EP450 radio is operating in its normal environment, the radios...

HKLN4215ADecember 3, 2003
Performance Checks: RF Test Mode4-3
To enter test mode:
1.Turn the radio on.
Within ten seconds after the self test is complete (self test tone is heard), press SB2 (Side Button 2 in 
Figure 4-2) five times in succession. If the self test complete tone is not heard, see Error Codes 
information in Chapter 8. Entry into the test mode is indicated by a positive indicator tone followed by 
a good key chirp (GKC). Upon entering test mode, the radio is in the carrier squelch mode....

December 3, 2003HKLN4215A
4-4Performance Checks: RF Test Mode
Table 4-4.  Test Frequencies
Channel Selector 
Switch PositionTe s t  C h a n n e lVHF R2 
(MHz)UHF R1 
(MHz)UHF R2 
(MHz)UHF R3 
(MHz)
1 Low Power
8 High PowerTX#1 or #8
RX#1 or #8146.625403.625438.625465.625
2 Low Power
9 High PowerTX#2 or #9
RX#2 or #9150.775 409.775 443.775 470.775
3 Low Power
10 High PowerTX#3 or #10
RX#3 or #10155.275415.275448.275475.275
4 Low Power
11  H i g h  P o w e rTX#4 or #11
RX#4 or #11160.125 421.125 454.125...

HKLN4215ADecember 3, 2003
Performance Checks: RF Test Mode4-5
Table 4-6.  Transmitter Performance Checks
Test Name Communications Analyzer Radio Test Set Comments
Reference 
FrequencyMode: PWR MON
4th channel test frequency
*
Monitor: Frequency error
Input at RF In/Out
*. See Table 4-4
TEST MODE,
Test Channel 4 
carrier squelch
Output at 
antennaPTT to continu-
ous (during the 
performance 
check)Frequency error to be 
±200 Hz VHF
±500 Hz UHF
Power RF As above As above As above Refer to Maintenance...

December 3, 2003HKLN4215A
Notes:
4-6Performance Checks: RF Test Mode 

Chapter 5 Radio Alignment Procedures
5.1 Introduction
This chapter provides an overview of the Commercial Series Customer Programming Software (CPS) 
and the Global Tuner as designed for use in a Windows® 98/NT4/2000/ME/XP environment. Both 
cover all the functions of the traditional Radio Service Software (RSS) package.
They are both available in the CPS Tuner (CD ROM) Kit (RVN4195). 
5.2 CPS Programming Setup
Refer to online help files for the CPS Programming procedures. (See Figure 5-1 for CPS...