Motorola Cp185 Basic 68007024004 Manual

Maintenance – CP185: Disassembling and Reassembling the Radio – General 6-11
6.4.2 Radio Reassembly – Detailed
6.4.2.1  Speaker Reassembly
1.Place the Speaker Felt (9) onto the grille area.
2.Align the speaker wire at three oclock position and push down the speaker until fully adhere onto 
the front housing.
3.Align the Speaker Insulator (12) at twelve oclock position and push down until fully adhere onto 
the speaker.
4.Install the Speaker Retainer (11).
5.Tighten the Speaker Retainer to the housing...

6-12Maintenance – CP185: Disassembling and Reassembling the Radio – General
3.Place the Front Circuit Board (41) straight down on top of the LCD and keypad. Align the front 
circuit board to the four housing ribs. Press the top right edge of the front circuit board to ensure 
the microphone sealing rubber is fully seated in place.
4.Tighten the five screws holding the front circuit board with a Phillips screwdriver torque to 
1.04 Ib-in – 1.30 Ib-in. (Refer Table 6-1 on page 6-14 for torque in other...

Maintenance – CP185: Disassembling and Reassembling the Radio – General 6-13
5.Tighten the RF Support Screw (20) with a flat head screw torque to 1.91 Ib-in – 2.17 Ib-in. 
(Refer Table 6-1 on page 6-14 for torque in other units).
6.Insert the Sub Circuit Board Flexible Cable (15) into the respective connectors at the top of the 
main circuit board.
7.Push the latches into the connectors.
8.Place the sub circuit board straight down on top of the chassis. 
9.Tighten the screw that is holding the sub...

6-14Maintenance – CP185: Torque List
6.4.2.4  Chassis and Front Housing Reassembly
1.Assembly the chassis assembly to the Front Housing Assembly (1) as follow:
a. Lay the chassis assembly beside to the Front Housing Assembly.
b. Insert the Flexible Cable (39) from the main circuit board into the connector on the front 
circuit board.
c. Push the latches into the Front Housing Assembly.
d. Connect the speaker wire to the connector.
2.Slide the On/Off Volume Knob Shaft into their respective holes in the...

Maintenance – CP185: Mechanical View and Parts List 6-15
6.6 Mechanical View and Parts List
6.6.1 CP185 View and Parts List
Figure 6-19.  CP185 Exploded View
78
6
5
416
1 2
39101112
13
14
1517
1819
20 2122
23
242526272829
30
31
32
33 34
35 36
37 38
39
40 41
42 43
44 

6-16Maintenance – CP185: Mechanical View and Parts List
Item Motorola Kit Number Description Quantity
1PMDN4097_RFront Housing, Limited Keypad1
2 PMDN4096_R Name Plate (CP185) 1
3PMDN4124_R Double Molded Cover, PTT 1
4 PMDN4089_R Seal, Volume and Channel Knob  1
5PMDN4088_RAdhesive, Top Control 1
6 PMDN4103_R Escutcheon, Top 1
7PMDN4102_RKnob, Volume1
8 PMDN4101_R Knob, Channel 1
9PMDN4100_RFelt, Speaker1
10 PMDN4067_R Speaker 1
11PMDN4099_RRetainer, Speaker, with screw1
12 PMDN4098_R Insulator, Speaker...

Maintenance – CP185: Mechanical View and Parts List 6-17
Note: 
*This kit consists of tact switch, antenna bracket, PCB finger strip, battery contact and audio jack.
‡This kit consists of microphone and microphone seal.
37PMDN4107_RScrew, Machine7
38 PMDN4123_R Module, Liquid Crystal Display  1
39PMDN4109_RFlexible Cable, Main Circuit Board 1
40 PMDN4119_R Screw, Tapping 5
41‡PMDN4131_RFront Circuit Board, LKP1
42 PMDN4113_R Cover, Dust 1
43PMDN4118_RKeypad, Limited Keypad1
44 PMDN4117_R Pad, Poron 1...

6-18Maintenance – CP185: Mechanical View and Parts List
Notes 

Chapter 7 Troubleshooting Tables
7.1 Error Codes
The radio performs cursory tests to determine if its basic electronics and software are in working 
order, during start-up and during operations. Problems detected during these tests are presented as 
error codes on the radio display. The presence of an error code should prompt the user that a 
problem exists and that a service technician should be contacted. Use Table 7-1. to aid in 
understanding particular error code display.
Table 7-1.  Error Code...

7-2Troubleshooting Tables: Troubleshooting Table for Receiver
7.2 Troubleshooting Table for Receiver
 Table 7-2. lists the possible causes of, and corrections for, receiver problems.
Table 7-2.  Receiver Troubleshooting Table
Symptom Possible CausesCorrective or Test
(Measurements at Room Temperature)
Radio Dead; Display Does 
Not Turn On1. Dead BatteryReplace with charged battery.
2. On/Off Switch Send radio to nearest Motorola Service Centre.
3. Regulators
4. Regulator fault
Radio Dead; Display Turns...