Volume Set Error, Control top/PTT | Motorola SSETM 5000 manual

Troubleshooting Charts: Volume Set Error		9-11

9.6Volume Set Error

Refer to

VOCON RX Audio flowchart

Volume

Set Error

Synopsis

Verify operation

This chart relates to a failure in the volume

set knob. Basic failure modes are as follows:

of volume knob

1)

Failure in control top/PTT flex circuit

using Button Test

2)

Bad connection

flowchart

3)

Defective volume control potentiometer

4)

Defective A/D port in GCAP II

Yes

5)

Problem in receive audio circuit

Volume

check OK?

No

Using a voltmeter,

measure voltage at

Voltage

Yes

Replace

U507 pin 1, when volume

Functional?

U501

knob is all the way on.

The value should be V2*

* per Standard Bias Table

No

Replace

U507

			Measure voltage from
			R526 to GND while
			moving volume knob
			from min to max. Max
				volume is 2.50V
Replace

		No		Volume
Housing		No		Volume
Housing				pot OK?
Assembly				pot OK?
Assembly
					Yes
					Yes

			Verify connections
			and control top/PTT
				flex connections

MAEPF-27401-B

6881094C12-A

November 11, 2004

Image 115

Motorola SSETM 5000 service manual Volume Set Error, Control top/PTT

Contents

SSE Page UHF Range 2 450-488 MHz Portable Radio SSE Exposure booklet enclosed with your radio Before using this product, read the operating instructionsFor safe usage contained in the Product Safety and RF Foreword Table of Contents Chapter Performance Checks Chapter Chapter Encryption Chapter Radio Alignment Procedures Chapter Troubleshooting Waveforms Chapter TroubleshootingChapter Troubleshooting Charts Chapter Troubleshooting Tables Glossary Appendix a AccessoriesAppendix B Replacement Parts Ordering Related Publications Viii November 11 MHz Clock Waveform List of Figures List of Tables What This Warranty Covers And For How Long Commercial WarrantySpecial Note on Nypd Warranty Agreement Limited Warranty III. State Law Rights IV. How To Get Warranty ServiceWhat This Warranty Does Not Cover II. General Provisions VII. Governing Law VI. Patent And Software Provisions Xiv Radio Description Physical Features of the RadioFLASHport Position Portable Radio Model Numbering System Item Number Description SSE 5000 UHF Range 2 450-488 MHz Model Chart General Receiver Transmitter Specifications for UHF Range 2 450-488 MHz Radios Injury Notations Used in This Manual Radio Description Notations Used in This Manual Major Assemblies Theory of Operation Receiving Mode of Operation RX LNA Transmitting V3A V3D Power DistributionPart Number Description V5A V3A DC Power Routing-Transceiver BoardDC Power Routing-VOCON Board Output Description Name Voltage Output Voltage Supply Output Supply Type Unprogrammed Circuits Supplied Interconnections Battery Connector J3Vocon Connector P1 Transceiver Board Serial Eeprom Antenna Ports UHF Range Power Conditioning ComponentsReceiver Receiver Front-End Receiver Back-End Transmitter Abacus III AD9874 Functional Block Diagram Power Amplifier Transistor Q107 Power DistributionDriver Amplifier Directional Coupler Antenna SwitchHarmonic Filter RF Detector D101 Power-Control IC Pcic U104Pin Name Description VAR3 VAR2Vlim VAR1 Reference Oscillator Y200 Frequency Generation Unit FGUFractional-N Frequency Synthesizer FracN IC U202 Loop Filter Vocon BoardVCO Buffer IC Vcobic Universal Flex Connector J102 Transceiver Board Connector P201 Functional Blocks External Interface Module EIM Microcontroller Unit MCU Baseband Interface Port BBP Digital Signal Processor DSP System Clocks General-Purpose Input/Output Gpio Module Gcap II IC U501 Audio and Power MCU Interface Voltage Regulation Audio Circuitry Interface Support Audio PA Status Mode Voltage USB Transceiver One-Wire Support KHz Oscillator and Cmos Output Watchdog TimerMHz Reference Generation for Gcap II IC Universal Side Connector Universal Connector and Option Selects Pin Number Description Controls and Control Top Flex Display ModuleFunction Option Select Voltage Transmit Audio Path Vocon Audio Paths Gcap II IC U501 Receive Audio Path Theory of Operation Vocon Board Radio Power-Up/Power-Down Sequence Levels of Service Test Equipment and Service AidsTest Equipment 2Test Equipment and Service Aids Test Equipment Number Service AidsMotorola Part Description Application ChipMaster Options Motorola Service Part Description Application Motorola Part Description Application Number Service LevelSOIC-14/SOL-16J Field Programming Performance Checks Test Equipment Setup Access the Test Mode Radio Test ModeSystem Analyzer Test Set Power Supply ESN Display Description Appears Astro RF Test ModeTest Channel No. Display Description Function Tones Control Top Test Mode Sinad Test Mode CSQReceiver Performance Checks Test Name System Analyzer Radio Test Set Comments Transmitter Performance Checks Performance Checks Transmitter Performance Checks Radio Alignment Test Setup Radio Alignment Procedures Tuner Menu Reading the RadioRadio Information Softpot Transmitter AlignmentsReference Oscillator Alignment Band Target Transmit Power Alignment Watts Transmit Power Transmit Power Alignment Screen High Power Transmit Deviation Balance Alignment Screen Transmit Deviation Balance Alignment Transmit Deviation Limit Alignment Screen Transmit Deviation Limit Alignment Battery Reading Calibration Performance TestingTransmitter Test Pattern 11. Battery Reading Calibration Screen Encryption Multikey FeatureLoad an Encryption Key Encryption Multikey Feature Inspection Disassembly/Reassembly ProceduresGeneral Maintenance Cleaning Handling Precautions SSE 5000 Exploded View SSE 5000 Exploded View NNTN4825 KIT, Back Chassis includes items NNTN4826 KIT, Front Chassis includes items Attach the Antenna Disassembly/Reassembly Procedures for AccessoriesBattery Antenna Attach the Belt Clip Attach the BatteryRemove the Battery Belt Clip Attaching the Belt Clip Remove the Belt Clip Assembling the Carry Case Carry Case Attach the Universal Connector Dust Cover Disassembly/Reassembly Procedures for Radio KnobsUniversal Connector Dust Cover Remove the Universal Connector Dust Cover Channel Select Knob Install the Channel Select KnobVolume Knob Remove the Volume Knob Disassemble the Chassis Assembly Disassembly Procedures for SSE 5000 RadioInstall the Volume Knob Separate the Chassis and Housing Assemblies Disassemble the Control Top Disassemble the Housing Baseplate Reassemble the Control Top Reassembly Procedures for SSE 5000 Radio Join the Chassis and Housing Assemblies Reassemble the Chassis Assembly Reassemble the Housing Baseplate November 11 Standard Bias Table TroubleshootingVoltage Measurement and Signal Tracing Signal Name Nominal Value Tolerance Vocon Board Source Error Description Error Type Corrective Action Code Power-Up Error Codes Receiver Troubleshooting Operational Error CodesError Code Description Corrective Action PL, DPL, MDC Transmitter TroubleshootingEncryption Troubleshooting Symptom Possible Cause Corrective Action List of Troubleshooting Charts Troubleshooting Charts Vocon Main Troubleshooting Flowchart Power-Up Failure-Page OK? DC Supply Failure-Page Host C VHF U1 Display Failure-Page Regsel Check Active Low Status on both Reset and CS Control top/PTT Volume Set Error RTA3 RTA2 RTA1 RTA0 Channel Select Error PTT Button Test Top/Side Button Test VCO TX/RX VCO TX/RX Unlock OK? Vocon TX Audio-Page TX RF RX SAP Vocon RX Audio-Page Check Preamp Output Signal At C530 Rxlo RX RF-Page Vocon RX LNA RX RF-Page UHF TX RF-Page Measure RF levels at C723 Temp Vocon Keyload Failure Synopsis Secure Hardware Failure Troubleshooting Charts Secure Hardware Failure List of Board and IC Signals Troubleshooting Tables J707 Description To/From Pin No J102 Side Description Probe Point Connector Pin No Number J701 Description J701 Description To/From Pin No Ground Data ResetADV Address CS2 VPPEnoe CS1 Address Ground Not Used Data Audiopaen Hostwake BatteryidEepotinc Extspkrsel KPROW3 EncresetBoot KPROW2 URXD2 URXD1USBVMIURTS1XRXD Adtrig Not Used Eepromsel Not Used BtdisableSpimisoa Misoa Spimisob Misob Gcapce AbacuscsUnisel Flprcs Usbtxen Khzint UCTS1USBSPEEDUTXD1USBVPO Usbvmo Usbvpi OnewireenKvlusbdet Not Used Batbusen CKO Wait OeenEB1N Ebon RTS RXDINENC3VTXDOBDI5V RXDIN5V Spimisob Misoa Flprcs Uartint GcapresetxOnewireopt Spimosib Mosib AD4BDID RTSFILLSEN3V CTSFILLREQ3VTXDOBDIENC3V TXDOBDIUP3V LX2 Battery Auxbat AuxfetXTAL1 XTAL2 PRSC2 Dgnd PadrvPasense PGM0 LS3RX Cmpout Dscinn Simio AD5VOLUMEAGND3 Dwnout Dwnin Micinneg 10-24 List of Waveforms Troubleshooting Waveforms MHz Clock Waveform 11.2 13 MHz Clock Trace 1 Buffer input at R452 Trace 2 Buffer output at C452 11.3 16.8 MHz Buffer Input and Output 768 kHz Clock Outputs Waveforms 11.4 32.768 kHz Clock Outputs SPI B Data Waveforms SPI B Data Receive Serial Audio Port SAP Waveforms Receive Serial Audio Port SAP Receive Baseband Interface Port RX BBP Waveforms Receive Baseband Interface Port RX BBP Transmit Baseband Interface Port TX BBP Waveforms Transmit Baseband Interface Port TX BBP List of Vocon Schematics, Board Layouts and Parts Lists Schematics, Board Layouts, and Parts Lists Txalc Transceiver RF Board NUE7337 Receiver Front-End Circuit NUE7337 Receiver Back-End Circuit NUE7337 Transmitter and Automatic Level Control Circuits NUE7337 Frequency Generation Unit Synthesizer Circuit-1 NUE7337 Frequency Generation Unit Synthesizer Circuit-2 NUE7337 DC Power NUE7337 Antenna Switch and Harmonic Filter NUE7337 Transceiver RF Board Layout-Side 10. NUE7337 Transceiver RF Board Layout-Side NUE7337 Transceiver RF Board Parts List CAP CER Chip 4.7UF CAP Chip 8.0PF 16V .5PFCAP Chip 7.0PF 16V .5PF CAP Chip 12.0 PF 5% COG COIL, 6.8 UH Power Connector ContactBattery Contact RF Connector Tstr P-CH Hdtmos MA,.58OHM,SMNotplaced 64AM Dummy Part Number PCB HDI Layers IC PWR Ctrl in MOS20 Module Direct CouplerIC VHF/UHF/800 MHZ Ldmos Driver IC Temperture Sensor Schematics, Board Layouts, and Parts Lists Vocon Board 12. NCN6186 Vocon Board Overall Circuit Schematic-Sheet 2 13. NCN6186 Vocon Universal Connector Circuit 14. NCN6186 Vocon Flipper Circuit 15. NCN6186 Vocon Controller and Memory Circuits-Sheet 1 16. NCN6186 Vocon Controller and Memory Circuits-Sheet 2 17. NCN6186 Vocon Audio and DC Circuits 18. NCN6186 Vocon DC Clocks 19. NCN6186 Vocon Display-RF Interface 20. NCN6186 Vocon Spark Gaps 21. NCN6186 Vocon Board Layout-Side 22. NCN6186 Vocon Board Layout-Side NCN6186 Vocon Board Parts List LED Stanley Bicolor RED ConnectorCoil 47UH SMT Power IC Single FET BUS Switch Ohms Shield SUB Patriot Power ManagementIC Cmos Bilateral Switch IC Spdt Switch Control Flex 23. Control Flex Overall Circuit Schematic 24. Control Flex Board Layout-Side Universal Flex 26. Universal Flex Overall Circuit Schematic 27. Universal Flex Board Layout-Side 12.5 UCM 29. UCM Flex Overall Circuit Schematic 30. UCM Board Layout-Side Appendix a Accessories Programming Cables Keyload AccessoriesMicrophones and Microphone Accessories Surveillance Accessories Appendix B Replacement Parts Ordering Fax Orders Product Customer ServiceParts Identification ALC Glossary Term Definition Codeplug Epot KVL MCU OSW Reset Sram Tsop Glossary-10 November 11 Vocon Index Specifications Index-3 Index-4 Page Motorola, Inc West Sunrise Boulevard Ft. Lauderdale, FL 6881094C12-A