Motorola ADVISOR Gold FLX Manuel de service

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Page 1 - SERVICEMANUALSERVICEMANUAL

SERVICEMANUALALPHA GOLD6881020B80SERVICEMANUALSERVICEMANUAL

Page 2

1-4GENERAL Product OverviewProduct OverviewThe Unication Alpha Gold pager are miniature, microcomputer-controlled FM receivers with

Page 3

MAY 16, 2005 5-9 VHF Decoder Board PCB Diagram Alpha Gold Diagram PCB Diag

Page 4

5-10 MAY 16, 2005 Alpha GoldDiagram PCB Diagram Figure

Page 5 - Contents

MAY 16, 2005 5-11 Alpha Gold Diagram PCB Diag

Page 6

5-12 MAY 16, 2005 Alpha GoldDiagram PCB Diagram Figu

Page 7 - About This Publication

MAY 16, 2005 5-13 Alpha Gold Diagram PCB Diagr

Page 8 - Revisions

5-14 MAY 16, 2005 Alpha GoldDiagram PCB Diagram Figure 5-14 Decoder Boa

Page 9

MAY 16, 2005 5-15 Alpha Gold Diagram PCB Diagram Figure 5-15 Decoder Board LOW

Page 10 - Product Overview

5-16 MAY 16, 2005 Alpha GoldDiagram PCB Diagram Figure 5-16 Decoder Board POW

Page 11 - Controls and Indicators

MAY 16, 2005 1 2 3 4 56ABCD654321DCBATitleNum

Page 12

MAY 16, 2005

Page 13 - 1GENERAL

MAY 16, 2005 1-5Alpha Gold GENERAL AddressingEach pager can be programmed for multiple personal,

Page 14 - 1-8MAY 16, 2005

MAY 16, 2005 TitleNumber RevisionSizeA4Date:

Page 15 - ReadButton(J)

Table 1-1 lists the indicators, their uses, and their meanings. Certain indicators, annunciators, are displayed at the far left of the screen during p

Page 16 - Up Button (F)

Set Time or Set Alarm SelectorSet Time and AlarmLocked Message Lock MessageCursor on Locked MessageUnlock MessageMaildrop Message with Alert EnabledMa

Page 17 - Features and Options

Delete All MessagesPrint MessagePrint All MessagesTruncated Non-Ideographic Message Non-Ideographic Message ContinuedAlphanumeric Missing Fragment Ind

Page 20

Alpha Gold GENERAL Product OverviewThe Down directional button is used to scroll down through a message one line at a t

Page 21 - POCSAGPOCSAG

Table 0-2. Standard Features Paging FeaturePager TypeDescriptionMessage StoragePersonal Messages are located on the first line; older messages are loc

Page 22

Real-Time Clock and Alarm Clock Displays the time and date, time-and-date stamps all messages, and gives an alarm indication at a preset time. The tim

Page 24 - Alternate Prompts

Memory RetentionIf the Non-Volatile Memory option is selected, all messages and pager settings remain in memory when the pager is turned off. If the o

Page 25

Table 0-3. Ideographic Features Paging FeaturePager TypeDescriptionErrored Message Character SymbolIf the Errored Data Indication programmable option

Page 26 - Table 0-9. RF Options

Memory CleanupErases all previously read, unprotected personal messages; all read maildrop messages; and all maildrop history files when the Delete Al

Page 27 - Operating Instructions

Programmable Pleasing AlertWhen this programmable option is set to custom, a menu in the Pager Programming Software is used to create a pleasing alert

Page 28

Alternate PromptsThe power-up prompt and all source prompts can be customized and alternate prompts can be programmed for the following functions:• Ch

Page 29 - UsingthePrivate Time Function

Table 0-7. Display Options Paging FeaturePager TypeDescriptionAuto BacklightCauses any button press to turn on the display backlighting in low-light

Page 30 - Theory of Operation

Table 0-8. Printing Options Paging FeaturePager TypeDescriptionManual PrintingIf enabled, messages can be printed by selecting the Print icon while th

Page 31 - RF Board Block Diagram

Table 0-10. Over-the-Air Download Options Paging FeaturePager TypeDescriptionOTA Programming DisabledDisables over-the-air (OTA) programming. Pagers

Page 32

a. When the circles are blinking:• Use the Up and Down buttons (F and G) to toggle between the set time and set alarm functions.• Use the Left and Rig

Page 33 - Maintenance

UsingthePrivate Time Function1.Select the Private Time (L) in the Function menu to display the Set Private Time screen (see Figure 1-10). 2.Use the L

Page 35

Theory of OperationThe Unication Alpha Gold pager consist of a radio frequency (RF) receiver section and a microcomputer-controlled decoder section. A

Page 36 - Removing the Receiver Board

General Circuit Description of Dual Conversion POCSAG PagersThe following information describes the general theory of operation for the Unication Alph

Page 37 - Removing the Snubber Pad

DecoderThe decoder consists of the microcomputer, Display module, external memoryThe Microcomputer performs the following:• Controls the receiver cir

Page 38 - Removing the Vibrator Motor

MaintenanceThis section provides instructions for the disassembly of Unication Alpha Gold pager. Special tools are listed at the end of this section.

Page 39 - LCD Module Removal

Replacing the Battery1. Position the new AA-size battery so the “+” and “−” markings on the battery match the polarity diagram in the battery compartm

Page 40 - LCD Module Replacement

4. Use the disassembly tool to disengage the first locking tab in the battery compartment by carefully prying outward (refer to Figure below).Alpha Go

Page 41

5. After step 4 you can easily remove the back cover.Removing the Receiver Board1. Remove the battery door, battery, and back cover as described in th

Page 42

2. Hold the decoder board down and gently pry the receiver circuit board up and away from the decoder circuit board at a point near the interconnect s

Page 43 - Troubleshooting

Removing the Decoder Board1. Remove the battery door, battery, back cover, receiver board and snubber pad as described in the earlier procedures.2. H

Page 44 - Preliminary Checklist

LCD Module Removal1. Remove the battery, battery door, latch band, back cover, receiver board, shock pad, and decoder board as described in the earlie

Page 46

4. Carefully lift the front edge of the LCD module to expose the leads. 5. Apply heat with a soldering iron or hot air machine to the leads across bot

Page 47

5. Place the LCD module in the fixture (refer to Figure below). 6. Slide the heat shield from left to right and from front to back to expose the leads

Page 48 - Alignment Procedure

12. Connect the module switch pad to the frame locating pin by gently pressing them together. 13. Engage the light diffuser catches with the two slots

Page 49 - Sensitivity bad

TroubleshootingUnication Alpha Gold pager's circuitry is contained in two individual sections. One section is the receiver board, and the other

Page 50

Preliminary ChecklistUse the following table as a quick reference guide to determine the probable cause of some common pager problems and where to fin

Page 51

Self-Diagnostic FeaturePOCSAG Pagers1. Ensure the pager is turned off. 2. Press the following sequence of buttons in rapid succession: Left H, Right I

Page 52

6. Press the Read button ( ) to stop the alert.7. Press the Read button ( ) to enter self-diagnostic mode 4 (vibrator test). The pager vibrates and th

Page 53

displayed. The or is displayed on the first line within 10 seconds of entering this test mode. The following is displayed upon successful test com

Page 54

Failure analysis of RF board can be divide into following reasons • Sensitivity bad • Center frequency deviation • Local oscillator fail • Power circu

Page 55

Sensitivity bad RF board sensitivity bad is the issue which often happened in pager, the issue might be happen with antenna matching, pre-a

Page 56

MAY 16, 2005 1-iALPHA GOLD GENERAL ContentsAbout This Publication . . . . . . . . . . . . . . . . . . . . . . .

Page 57 - Operating Modes

Basic setting: Connect probe of scope with frequency counter, put probe on TP4, adjust SG to center frequency and out put signal from normal Loa

Page 58 - Off/Memory Retention Mode

Power circuit is abnormal Measure the voltage of TP3 by multi-meter, the value should be 1.2 ~ 1.5V, if it is abnormal, to check battery volt

Page 62 - Figure 2-1. No Power-up

6881020B80MAY 16, 2005 2-iAlpha Gold

Page 64

MAY 16, 2005 2-1Alpha Gold DECODER Operating ModesOperating ModesThere are four basic modes of operation for the Unication

Page 65 - No Backlighting

2-2 MAY 16, 2005DECODER Alpha Gold Operating ModesPage Alert/Display ModeA button press or an incoming message changes t

Page 66 - K) for more

MAY 16, 2005 2-3Alpha Gold DECODER Circuit DescriptionCircuit DescriptionThe decoder co

Page 68

2-4 MAY 16, 2005 DECODER

Page 69

MAY 16, 2005 2-5Alpha Gold DECODER TroubleshootingTroubleshootingThis section contains the following common conditions r

Page 70

2-6 MAY 16, 2005 DECODER Alpha Gold TroubleshootingSTARTCHECK FOR VCC AT U9 PINS 2 (1.3 V).FAILOKOKOKOKFAILFAILOKFAILFAI

Page 71

MAY 16, 2005 2-7Alpha Gold DECODER TroubleshootingGood Power-up Alert, But No DisplayRefer to the flowchart in Figure 2

Page 72

2-8 MAY 16, 2005 DECODER Alpha Gold TroubleshootingGood Power-up Alert, But Cannot PageRefer to the flowchart in Figure

Page 73

MAY 16, 2005 2-9Alpha Gold DECODER TroubleshootingButtons Do Not Respond Refer to the flowchart in Figure 2-4 and the foll

Page 74 - Specifications

2-10 MAY 16, 2005 DECODER Alpha Gold Troubleshooting2. Verify the backlighting is activated correctly by pressing the Fun

Page 75

MAY 16, 2005 2-11Alpha Gold DECODER TroubleshootingNo Vibrator AlertsUse the following instructions and the flowchart in F

Page 76 - Power Saving Circuit

2-12 MAY 16, 2005 DECODER

Page 78

MAY 16, 2005 1-1ALPHA GOLD GENERAL About This PublicationAbout This PublicationUsing this service manua

Page 79

VHF RECEIVER

Page 81

MAY 16, 2005 3-iAlpha Gold

Page 83

MAY 16, 2005 3-1Alpha Gold VHF RECEIVER SpecificationsSpecificationsAARD406/7X ReceiversFrequency Stability:(-10°C to

Page 84

3-2 MAY 16, 2005 VHF RECEIVER Alpha Gold Circuit Description The following information describes the circuitry specific t

Page 85

MAY 16, 2005 3-3Alpha Gold VHF RECEIVER Mixer Circuit Mixer is to mix RF signal (Fr) and first local oscillator signal

Page 86

3-4 MAY 16, 2005 VHF RECEIVER Alpha Gold Tuning Synthesized receivers are tuned to the middle of the bandsplit at the

Page 87 - Oscillator Frequencies

MAY 16, 2005 3-5Alpha Gold VHF RECEIVER Oscillator Frequencies - POCSAG PagerOscillator Frequencies - POCSAG Pager

Page 88

UHF RECEIVER

Page 89

1-2MAY 16, 2005GENERAL

Page 91

MAY 16, 2005 4-iAlpha Gold

Page 93 - Alpha Gold

MAY 16, 2005 4-1Alpha Gold UHF RECEIVER SpecificationsSpecificationsAARE ReceiversFrequency Stability:5 ppm of refere

Page 94

UHF RECEIVER Alpha Gold SpecificationsCircuit Description The following information describes the circuitry specific t

Page 95 - Alpha Gold

MAY 16, 2005 4-3Alpha Gold UHF RECEIVER SpecificationsMixer Circuit Mixer is to mix RF signal (Fr) and first local os

Page 96

4-4 MAY 16, 2005 UHF RECEIVER

Page 97

MAY 16, 2005 4-5Alpha Gold UHF RECEIVER Oscillator FrequenciesOscillator Frequencies

Page 98

Diagram

Page 100 - PCB Diagram

MAY 16, 2005 1-3Alpha Gold

Page 101 - Diagram

MAY 16, 2005 5-iAlpha Gold

Page 103

MAY 16, 2005 Alpha Gold Diagram PCB Diagram Figure 5-1 Receiver

Page 104

MAY 16, 2005 Alpha GoldDiagram PCB Diagram Figure 5-2 Receiver Board

Page 105

MAY 16, 2005 Alpha Gold Diagram PCB Diagram Figure 5-3 Receiver

Page 106

MAY 16, 2005 Alpha GoldDiagram PCB Diagram Figure 5-4 Receiver B

Page 107 - Alpha Gold

MAY 16, 2005 Alpha Gold Diagram PCB Diagram Al

Page 108 - MAY 16, 2005

MAY 16, 2005 Alpha GoldDiagram PCB Diagram Fig

Page 109 - Schematic Diagram

MAY 16, 2005 Alpha Gold Diagram PCB Diagram Figure 5-7

Page 110

MAY 16, 2005 Alpha GoldDiagram PCB Diagram Figure 5-8

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