Motorola IMPRES Tetra MTP700 Detailed Service Manual Download Page 78

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MTP700 Portable Radio / Detailed Service Manual

TRANSCEIVER 400 MHz

TETRA_2nd_LO_EN

RX_2nd_LO

OUTQB_RFCU

GP06_DCLICIN_RFCU

270pF

4.7uF

C1022

FE_CNTL_RFCU

C1017

0.1uF

C1812

VCOCT1_RFCU

V4_2.775V_RFCU

C1811
0.1uF

.01uF

C1009

220nH

VBLIN_RFCU

R1807

L1001

4.7K

0.1uF

C1015

TCLKB_RFCU

C1020
220pF

RESET_OUT_RFCU

SPIA_CLK_RFCU

C1805
10uF

4.7uF

WPIC_FSYNC_RFCU

C1021

C1301
0.1uF

L1002

220nH

SH1000
SHIELD

R1804

VCNTO_RFCU

WPIC_SRD_RFCU

C1810
.022uF

C1014
0.1uF

WPIC_OSC_EN_RFCU

C1807
0.1uF

VCOCT2_RFCU

.01uF

C1019

WPIC_TXE_RFCU

C1004

0.1uF

C1018

.01uF

PRSCIN_RFCU

C1808

270pF

SPIA_MOSI_RFCU

R1810

330pF

C1541

5V_RF_RFCU

ASW_RFCU

R1805

C1820
0.1uF

C1011

0.1uF

100K

R1003

1.5K

R1301

100K

GP05_DCLICP_RFCU

R1005

C1816
100pF

0.1uF

C1012

OUTI_RFCU

WPIC_STD_RFCU

TSLOTB_RFCU

.015uF

C1008

OUTIB_RFCU

100K

R1004

C1006

C1007
0.1uF

0.1uF

3300pF

SPIA_CS0_WPIC_RFCU

C1005

10uF

C1802

V3_2.775V_RFCU

1000pF

C1817

R1001

2.2K

PREINI_RFCU

C1809
3300pF

C1002
0.1uF

GND

OUT

VCC

VCON

Y1301

KT19

16.80MHz

R1802
150

VCTRL_RFCU

0.1uF

C1302

PREINIB_RFCU

16.8_MHZ_CLK_RFCU

270pF

C1016

C1003
0.1uF

RX_ACQ_RFCU

C1804
33pF

TCXO_WARP_RFCU

0.1uF

OUTQ_RFCU

WPIC_TXCLK_RFCU

C1013

0.1uF

C1001

C1803

SF_OUT_RFCU

0.1uF

VCNTO

VCOCT1

VCOCT2

XTALBASE

XTALEMIT

XTALWARP

TSLOT

A11

A10

TSLOTB

K11

TXCLK_SCK

TXE_TXKEY

TXKEYOUT

VAG

VAGBYP

VBLIN

TCAPM

TCAPP

B11

TCLK

C10

TCLKB

TEST1

TEST2

TESTD_GP04

E11

SFBYP

SFGND

SFOUT

SFVCC

SPICLK

SPII

J11

SRD

K10

STD

RFA0

E10

RSTB

RXACQ

J10

RXCLK

L11

RXFS

SATDET

SERIALGND

H11

SERIALVCC

PREINIB

PRSCIN

C11

QGND

D10

QVCC

REFGND

REFPLLGND

H10

REFPLLVCC

G10

B10

REFVCC

PLLEMIT

PRAGND

PRAGNDDIG

PRAVCC1

PRAVCC2

PREING

PREINGB

PREINI

OUTQB

PKGGND1

PKGGND2

PKGGND3

PKGGND4

G11

PLLBASE

F11

PLLCP

PLLCPVCC

D11

NGND

NVCC

OSCENB

OSCGND

OSCVCC

OUTI

OUTIB

OUTQ

GPO3

LOGICGND

LOGICVCC

LOIN

MAINGND

MAINVCC

MNCPGND

MNCPVCC

DETSW

L10

DMCS

DMXGND

DMXGNDDIG

DMXVCC

DMXVCCDIG

GPO1

GPO2

CLKSEL

CPGITR

CPGT

CREF

DCLICIN

DCLICP

DCLQCIN

DCLQCP

AGCDRIVE

AGCGND

AGCVCC

ASW

BBFGND

BBFVCC

CEX

F10

CLKOUT

WPIC

U1001

ADAPT

AGC

1000pF

C1010

R1002

0.1uF

C1801

TCLK_RFCU

TSLOT_RFCU

0.1uF

C1806

2.775V_WPIC

WPIC_SRD

VBLIN

VCNTO

VCOCT1

VCOCT2

Ded_Synt_Ref

PREINIB

PREINI

PRSCIN

GP06_DCLICIN

GP05_DCLICP

RX_2ND_LO

OUTI

VCTRL

2.775V_WPIC

V3_2.775V

VCOCT2

VCOCT1

FE_CNTL

16.8_MHZ_CLK

WPIC2(1:9)

2.775V_WPIC

WPIC_FSYNC

RX_ACQ

WPIC_TXE

5V_RF

ASW

2.775V_WPIC

WPIC_OSC_EN

2.775V_WPIC

V3_2.775V_RFCU

SF_OUT

5V_RF

2.775V_WPIC

TCXO_WARP

SPIA_MOSI

OUTQB
OUTQ

OUTIB

TCLK
TCLKB
TSLOT
TSLOTB

WPIC_TXCLK
WPIC_STD

SPIA_CS0_WPIC

V3_2.775V_RFCU

RESET_OUT

5V_RF

V4_2.775V

SPIA_CLK

WPIC1(1:8)

2.775V_WPIC

RF Core Unit Schematic Diagram - WPIC

Summary of Contents for IMPRES Tetra MTP700

Page 1: ...MTP700 Digital Portable Radio 380 430 MHz 806 870 MHz Detailed Service Manual Part Number 6866534D39 E November 2006 6866534D39 ...

Page 2: ... copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola Furthermore the purchase of Motorola products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the copyrights patents or patent applications of Motor...

Page 3: ...er 4 1 Transceiver 400 MHz Updated board diagram to 8466547A08 Changed some part values for UHF Main VCO schematic dia gram and changed parts list Chapter 6 Maintenance Updated mechanical parts list 6866534D39 C Chapter 1 Scope and Warranty Information Updated Asia Pacific Radio Support Centers informa tion with deletion of toll free and non toll freee contact nos July 2003 Chapter 2 Model Informa...

Page 4: ...on Description Date 6866534D40 D Chapter 6 Maintenance Deleted front housing kit assembly and disassembly instructions Changed exploded view diagram and mechanical parts list Oct 2003 6866534D40 E Chapter 2 Appendix A Cyrillic tanapa has been added for 380 430MHz Oct 2006 ...

Page 5: ... of labels or by education or training through appropriate means such as information and instructions in user manuals or safety booklets Your Motorola two way radio has an RF exposure information label in the battery compartment This user safety booklet includes useful information about RF exposure and helpful instructions on how to control your RF exposure Your Motorola two way radio is designed ...

Page 6: ...rds compliance Hold the radio in a vertical position in front of the face with the microphone and other parts of the radio including the antenna at least one to two inches 2 5 to 5 centimeters away from the lips Keeping the radio at a proper dis tance is important since RF exposures decrease with distance from the antenna For body worn operation always place the radio in a Motorola approved clip h...

Page 7: ...n 6 inches 15 centimeters from their pacemaker when the radio is turned ON not carry the radio in the breast pocket use the ear opposite the pacemaker to minimize the potential for interference turn the radio OFF immediately if you have any reason to suspect that interference is taking place Hearing Aids Some digital wireless radios may interfere with some hearing aids In the event of such interfe...

Page 8: ...us injury to occupants of the vehicle Potentially Explosive Atmospheres Turn off your radio prior to entering any area with a potentially explosive atmosphere unless it is a portable radio type especially qualified for use in such areas as Intrinsically Safe for example Factory Mutual CSA UL or CENELEC Do not remove install or charge batteries in such areas Sparks in a potentially explosive atmosp...

Page 9: ...d on a unit which does not require the outer casing of the unit to be opened in a manner which exposes the internal electrical circuits of the unit You do not have to be an FMRC Approved repair facility to perform these actions Do not operate radio communications equipment in hazardous atmospheres unless it is a type specifically qualified e g FM Approved for such use An explosion or fire may resu...

Page 10: ...or a customer invoice indicating the serial number of the unit and purchase of an FMRC Approved model Do Not Substitute Options or Accessories The Motorola communications equipment certified by Factory Mutual is tested as a system and consists of the FM Approved portable FM Approved battery and FM Approved accessories or options or both This FM Approved portable and battery combination must be str...

Page 11: ...RMATION ACCESSORIES 2 1 MTP700 Portable Radio Model Charts 2 1 MTP700 Portable Radio Model Information 2 5 MTP700 Portable Radio Model Specification 2 6 MTP700 Accessories To Model Chart 2 7 CHAPTER 3 OVERVIEW 3 1 General 3 1 Digital Modulation Technology 3 1 CHAPTER 4 RADIO INFORMATION 4 1 Section Introduction 4 1 CHAPTER 4 1 TRANSCEIVER 400 MHz 4 1 1 General 4 1 1 Block Diagram Overview 4 1 1 Re...

Page 12: ...matic Diagram GCAP3 4 1 36 GCAP Audio DC Schematic Diagram Periphery 4 1 37 IO Interface Connectors Schematic Diagram 40 Pin Connector 4 1 38 IO Interface Connectors Schematic Diagram 16 Pin Connector 4 1 39 Switches Associated Components Schematic Diagram Switch 4 1 40 Switches Associated Components Schematic Diagram 24 Pin Connector 4 1 41 RF Section Block Diagram 4 1 42 RXU Schematic Diagram 4 ...

Page 13: ...8485951Z04 4 2 33 806 870 MHz Main Board Bottom Side PCB No 8485951Z04 4 2 34 Controller Memory Schematic Diagram Redcap 2 sheet 1 of 2 4 2 35 Controller Memory Schematic Diagram Redcap 2 sheet 2 of 2 4 2 36 DC Supply Audio Schematic Diagram GCAP 3 sheet 1 of 2 4 2 37 DC Supply Audio Schematic Diagram GCAP 3 sheet 2 of 2 4 2 38 I O Interface Schematic Diagram sheet 1 of 2 4 2 39 I O Interface Sche...

Page 14: ...e Handling of CMOS and LDMOS Devices 6 3 Repair Procedures and Techniques General 6 4 Parts Replacement and Substitution 6 4 Disassembling and Reassembling the Radio General 6 4 Radio Disassembly Detailed 6 5 Front Cover from Chassis Disassembly 6 5 Chassis Assembly Disassembly 6 8 Radio Reassembly Detailed 6 9 Chassis Assembly Reassembly 6 9 Chassis and Front Cover Reassembly 6 9 Service Aids 6 1...

Page 15: ...Schematic for Display Flex 8 6 Parts List for Display Flex 8 6 Bottom Flex 8 7 Schematic for Bottom Flex 8 8 Parts List for Bottom Flex 8 8 APPENDIX A REPLACEMENT PARTS AND KITS A 1 Servicing MTP700 Portable Units A 1 Replacement Parts A 1 Service Kits A 2 APPENDIX B CONNECTOR PIN FUNCTIONS B 1 General B 1 Side Accessory Connector Pin Assignment B 1 Bottom Accessory Connector Pin Assignment B 3 AP...

Page 16: ...xvi MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 17: ...ppendixes SAFETY Product Safety and RF Exposure for Portable Two Way Radios CHAPTER 1 Scope Warranty Information CHAPTER 2 Model Information Accessories CHAPTER 3 Overview CHAPTER 4 Radio Information CHAPTER 4 1 Transceiver 400 MHz CHAPTER 4 2 Transceiver 800 MHz CHAPTER 5 Programming the Radio CHAPTER 6 Maintenance CHAPTER 7 Keypad Board Layout Schematics and Parts List CHAPTER 8 Flex Layout Sche...

Page 18: ...erence Card Dutch 6866534D31 MTP700 User s Guide incl Quick Reference Card Spanish 6866534D32 MTP700 User s Guide incl Quick Reference Card Portuguese 6804112J75 MTP700 User s Guide incl Quick Reference Card Mandarin 6866534D40 MTP700 Basic Service Manual English 6802956C20 MTP700 Customer Programming Software CPS Start up manual 6864117B25 Safety Leaflet European Languages 6804110J47 Safety Leafl...

Page 19: ...s covered under a return for replacement or return for repair war ranty a check of the product should be performed prior to shipping the unit back to Motorola This is to ensure that the product has been correctly programmed or has not been subjected to damage outside the terms of the warranty Prior to shipping any radio back to the appropriate Motorola warranty depot please contact Cus tomer Resou...

Page 20: ...ber is assigned the part is not normally available from Motorola If a parts list is not included this generally means that no user serviceable parts are avail able for that kit or assembly Note on this digital TETRA Radio The CPS has no capability to tune the radio Tuning the radio can only be performed at the factory or at the appropriate Motorola Repair Center Compo nent replacement can affect t...

Page 21: ...ormed at the factory or at the appropriate Motorola Repair Center Component replacement can affect the radio tuning and must only be performed by the appropriate Motorola Repair Center All orders for parts information should include the complete Motorola identification number All part orders should be directed to your local AAD office Please refer to your latest price pages Technical Support Techn...

Page 22: ...nd Aftermarket Division AAD Attention Order Processing 1313 E Algonquin Road Schaumburg IL 60196 Parts Identification 1 847 538 0021 Voice 1 847 538 8194 Fax Piece Parts Some replacement parts spare parts and or product information can be ordered directly If a complete Motorola Part number is assigned to the part it is available from Motorola Radio Aftermarket and Accessory Division AAD If no part...

Page 23: ...hinese x PMUE2054_ MTP700 Super Tanapa 380 430 MHz 1W 25K CR Korean x PMUE2055_ MTP700 Super Tanapa 380 430 MHz 1W 25K ES Korean x PMUE2056_ MTP700 Super Tanapa 380 430 MHz 1W 25K CR TEA1 Chinese x PMUE2057_ MTP700 Super Tanapa 380 430 MHz 1W 25K ES TEA1 Chinese x PMUE2058_ MTP700 Super Tanapa 380 430 MHz 1W 25K CR TEA1 Korean x PMUE2059_ MTP700 Super Tanapa 380 430 MHz 1W 25K ES TEA1 Korean x x P...

Page 24: ...Guide German x x x x 6866534D29 MTP700 User Guide French x x x x 6866534D30 MTP700 User Guide Dutch x x x x 6866534D31 MTP700 User Guide Spanish x x x x 6866534D32 MTP700 User Guide Portuguese x x x x 6804112J75 MTP700 User Guide Mandarin Note x Indicates one of each is required For Asia please use H415EK Option for Bulk Package For replacement kits see Appendix A Replacement Parts and Kits Not Fi...

Page 25: ... Chinese x PMUF1159_ MTP700 Super Tanapa 806 870 MHz 1W 25K CR Korean x PMUF1160_ MTP700 Super Tanapa 806 870 MHz 1W 25K ES Korean x PMUF1161_ MTP700 Super Tanapa 806 870 MHz 1W 25K CR TEA1 Chinese x PMUF1162_ MTP700 Super Tanapa 806 870 MHz 1W 25K ES TEA1 Chinese x PMUF1163_ MTP700 Super Tanapa 806 870 MHz 1W 25K CR TEA1 Korean x PMUF1164_ MTP700 Super Tanapa 806 870 MHz 1W 25K ES TEA1 Korean x x...

Page 26: ...er Guide Dutch x x x x 6866534D31 MTP700 User Guide Spanish x x x x 6866534D32 MTP700 User Guide Portuguese x x x x 6804112J75 MTP700 User Guide Mandarin Note x Indicates one of each is required For Asia please use H415EK Option for Bulk Package For replacement kits see Appendix A Replacement Parts and Kits Not Field Replaceable for Latin America MTP700 806 870 MHz Continued Model Description H47X...

Page 27: ... CR P4 MTP700 806 870 MHz 1 W 25 kHz with End Stop knob for group selection ES P5 MTP700 806 870 MHz 1 W 25 kHz with End Stop knob for group selection ES Korean model Sales Model Nomenclature Portable Model Series MTP700 Band Q 380 430 MHz X 806 870 MHz Power Level C 1 Watt Physical Packages M Rotary Controls Standard Display Channel Spacing 6 20 25 KHz Primary Operation T Trunking Primary System ...

Page 28: ...vity 4 BER 25 kHz 112 dBm minimum Channel Spacing 25 kHz Battery chemistries LiIon or NiMh Intermodulation 47 dBm Spurious Emission 36 dBm Battery capacity with standard LiIon with NiMh 1200 mAh 1200 mAh Blocking at 1 2 5 10 MHz Adjacent channel selectivity 25 kHz 25 dBm 60 dBm Adjacent Channel Power at 25 kHz 55 dBc UHF Battery autonomy 5 5 90 TX RX Stdby with standard LiIon or NiMh 24 hours Spur...

Page 29: ...ulti Unit Charger MUC with 230V UK Plug WPLN4110_ x x x x IMPRES Multi Unit Charger MUC with 120V USA Plug WPLN4120_ x x x x Battery Insert all MUCs need this battery adapter RLN5212_ x x x x 110V Single Unit Charger SUC Smart Charger WPLN4111_R x x x x IMPRES Single Unit Charger SUC with Euro Plug WPLN4112_ x x x x IMPRES Single Unit Charger SUC with UK Plug WPLN4113_ x x x x IMPRES Single Unit C...

Page 30: ...885_ x x x x Programming Equipment Kit Number P1 P2 P3 P4 P5 Data Cable PMLN4504_ x x x x x Programming Data Cable FLN9636_ x x x x x Programming Stand PMLN4510_ x x x x x MTP700 Customer Programming Software CPS FVN5051_ x x x x x Audio Surveillance Kit Number P1 P2 P3 P4 P5 Rx Only Earpiece Black RMN4028_ x x x x Rx Only Earpiece Beige RMN4021_ x x x x Rx Only Earpiece with transparent tube for ...

Page 31: ...rmation by altering the phase of the radio frequency RF signal Data is converted into complex symbols which alter the RF signal and transmit the information When the signal is received the change in phase is converted back into symbols and then into the original data The TETRA system can accommodate 4 voice channels in the standard 25 kHz channel as used in the two way radio Time Division Multiple...

Page 32: ...3 2 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 33: ...ion provides a block diagram overview of the main Digital RF Board supplemented by the detailed block diagram and detailed circuit description followed by board and schematic diagrams and parts lists and troubleshooting charts This chapter contains the following sections 4 1 Transceiver 380 430 MHz 4 2 Transceiver 806 870 MHz ...

Page 34: ...4 2 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 35: ...ital RF Board This is sup plemented by the detailed block diagram and detailed circuit description Block Diagram Overview The main Digital RF Block contains the following four sections see Figure 4 1 1 An overview of these four sections is provided in the following paragraphs Receiver Section Transmitter Section Frequency Generating Section Synthesizer Digital Audio Section ...

Page 36: ...00 Portable Radio Detailed Service Manual TRANSCEIVER 400 MHz Figure 4 1 1 General Block Diagram Digital Block DC Block Transmitter Receiver Synthesizer LCD KeyPad Audio Battery Antenna Antenna Switch Main Board ...

Page 37: ...the signal into base band Performs IF AGC Converts the baseband analog signal into digital I Q formats Synthesizes the receive and transmit data i e Sigma Delta clock Transmits the received data to the DSP Transmitter Section The transmitter circuitry includes a linear class AB Power Amplifier PA for the linear modulation of the MTP700 Also included is a cartesian feedback loop to enhance the tran...

Page 38: ... RF Board It controls the operation of the audio and transmitter receiver and synthesizer integrated circuits located in the RF section It has the serial communication interface to communicate with the keypad display and other internal peripherals For audio the RedCap2 contains a Digital Signal Processor DSP which performs mod ulation and de modulation functions for the radio It also performs ACEL...

Page 39: ...nthesizer to create the first IF at 109 65 MHz The IF signal is filtered by the crystal filter and sent to the WPIC The WPIC performs down conversion to the baseband frequency 0 Hz The baseband analog signals are converted to digital In phase I and Quadrature Q formats This data is sent for further processing to the Digital Signal Processor DSP part of RedCap2 over the Synchronous Serial Interface...

Page 40: ...eband I Q signals are converted into corresponding analog signals These signals are also filtered From the WPIC I Q signals are injected to the LNODCT In the LNODCT the data is mixed with RF signal From the differential output of the LNODCT the modulated RF signal is injected to the Balun wideband transformer that transforms the differential input into single output and then it is routed to the an...

Page 41: ...8 MHz reference frequency is divided in the WPIC and in the Dual Synthesizer IC to produce required reference frequency for the other synthesizers Main Synthesizer The Main Synthesizer consists of the WPIC internal PLL modules and an external discrete Voltage Controlled Oscillator VCO The output provides the LO signal to down convert the received RF signal to the first IF of 109 65 MHz The output ...

Page 42: ... the WPIC to generate the quad rature signals for downconverting the received IF signal to the baseband zero IF Transmit PLL The TX PLL consists of a discrete TX Voltage Controlled Oscillator TX VCO and the ESCORT Synthesizer IC The ESCORT IC receives its reference signal TETRA_TX_LO from the main synthesizer VCO to synthesize the TX VCO signal within the frequency range of 380 430 MHz which is su...

Page 43: ... the analog to digital and digital to analog conversions on audio signals The power distribution is supported by the Global Control Audio Power GCAP3 IC This IC supplies power to the radio using step down PWM regulator supplying 1 875 VDC to the RedCap2 core supplying V3 linear regulator 2 775VDC to the external memories display and RedCap2 peripheral modules supplying V2 to GCAP3 internal logic i...

Page 44: ...onse improvement Isolation to transmitter frequencies at this point is better than 35dB attenuation of the wanted Rx signal is typically 0 7dB Limiter Diode D2100 limits the level of incoming high power signals 5dBm to prevent damage to the receiver front end Redcap2 DSP GP06 GP05 From Main Synthesizer LO level 0 dBm 489 65 539 65 MHz Balun XTAL IF Filter 109 65MHz IL 2dB Post selection Filter IL ...

Page 45: ...roughout its operating range From the LNA the signal passes to the fixed tuned post selector Post selector The Post selector consisting of discrete components C2300 C2306 L2300 L2302 attenuates the non linear products of the LNA and also the image product Typically its insertion loss is 2dB From the output of the post selection filter the received signal is routed to the mixer RF input via attenua...

Page 46: ...vided by two into the quadrature generator block of the WPIC The baseband signal from this 2nd mixer passes to an amplifier baseband filter array The amplified and filtered signal is passed to the WPIC A D converter This A D converter digitises the ana log differential signal into its I and Q components The I and Q components appear in sequence on the WPIC_SRD line whenever the RX_ACQ line is high...

Page 47: ...to an interpolating filter The inter polating filter increases the sampling rate to reduce in band quantization noise as well as to reduce image at multiples of the input data The interpolated samples are rounded to 8 bits and run through the 8 bit D A converters The D A converters take the digital I Q words and convert them into analog signals which are then filtered and amplified The output is c...

Page 48: ...he transmitter The differential baseband signals from WPIC are applied to the LNODCT on pins 58 61 BINQB BINQ BINIB and BINI They pass through a variable attenuator and then they are summed with the down converted I Q feedback The baseband signal is then ampli fied and sent to the up mixer The up mixer consists of two mixers one for the I channel and the other for the Q chan nel The split I Q LO s...

Page 49: ...tion on the PA per formance The reflected power from the antenna is absorbed in a 50 Ohm resistor inside the isolator The isolator also protects the Cartesian loop from sudden VSWR variations that could lead to loop instability Antenna Switch PIN diodes D5001 D5002 and D5003 are used as antenna switches These PIN diodes are turned on during the transmission time slot The RF signal from the Isolato...

Page 50: ...teps to warp the radio frequency in order to lock to the base station This 16 8 MHz signal from pin 3 of the TCXO is routed into the following devices 1 To WPIC s K6 XTALBASE pin via C1301 The signal is divided by 4 to produce the 4 2 MHz reference signal which is used for the Main Synthesizer PLL 2 To LMX Dual Synthesizer s OSCIN pin via C1505 The signal is divided to produce the 300 kHz referenc...

Page 51: ...6 which filters noise in the tuning voltage A pre setting of the VCO frequency is pro vided by additional tuning via the DC signals from the Coarse Tune DAC in the WPIC The Q3003 and Q3004 buffers prevent loading and interference to the next stage i e the RX Mixer and ESCORT LMX Dual Synthesizer The U1501 LMX233XL is an integrated dual frequency synthesizer IC that includes prescalers It is used w...

Page 52: ...ain VCO is divided by 41 32 and compared with the TX VCO frequency in the fast phase comparator of the ESCORT The comparator output signals IUP and IDOWN then control the current mirrors Q7021 and Q7022 to supply the tuning voltage to low pass filter C7011 C7012 R7011 and voltage range extension transistors Q7023 and Q7024 to the tuning diodes The ESCORT is controlled by the RedCap2 via SPIA_CLK S...

Page 53: ...Correction Encryption Accelerator DSP Peripheral DMA PROM 2Kx24 PRAM 40Kx24 YROM 0Kx16 YRAM 15Kx16 DSP Core Viterbi Accelerator MCU DSP Interface MDI XROM 0Kx16 XRAM 12Kx16 Shared X VIAC RAM 2Kx16 Shared X MCU RAM 2Kx16 Clocks PLL MCU Debug Layer 1 Timer JTAG OnCE UARTB M U X UARTA Audio CODEC Serial Port SAP BRM External Inteface Module QSPIB QSPIA SIM Reset Keypad Interface GPIO MCU Core ROM 4Kx...

Page 54: ...its 16 bit wide data bus Apart from storing radio firmware the Flash also stores the Radio CodePlug Customer related information such as telephone numbers addresses etc SRAM Memory This 512k x 16 bit Static RAM is used for Data storage Serial Peripheral Interface SPI The RedCap2 uses the SPI protocol Serial Peripheral Interface to communicate with RF IC s WPIC LNODCT ESCORT GCAP3 IC and the displa...

Page 55: ..._2 775V FUSED_B SWB V3_2 775V_DIG V4_LNODCT LC Filter VREF1 PWM 2 VIB V3 PWM 1 V1 LC Filter V2 VREF2 LC Filter LC Filter DSC V4 with Pass Transistor VREF3 VSIM PA_B LC Filter LC Filter LC Filter FUSE MOS_SW 5 5V LIN REG 3 3V SW REG MOS_SW MOS_SW SIDE_CONNECTOR_SWB BOTTOM_CONNECTOR_SWB AUDIO PA CORE ESCORT TXVCO REDCAP DISPLAY FLASH SRAM I O Section Serial VCC for WPIC LNODCT RFCU RXU TXPA TXFE AND...

Page 56: ... V2 output value to 2 775V connecting UV_SEL pin to Ground sets V2 output value to 2 5V For this radio V2 is selected to 2 775V This regulator is supplied by FILT_3 3V and it is active whenever the radio is turned ON V2 is the supply for internal audio circuits CLK_IN input driver and TS interface V3 Linear Regulator V3 is a selectable linear regulator It is selectable using the RedCap2 SPIB bus f...

Page 57: ...voltage dividers It is not active at POR 5 5V Linear Regulator This is an external linear regulator fed by SWB It is used to supply GCAP3 DSC regula tor and the Battery Interface Circuitry DSC Linear Regulator DSC is a fixed output linear regulator This regulator is active during POR in the 5V mode DSC is supplied from an external 5 5V linear regulator The output voltage is filtered 5V_RF to suppl...

Page 58: ...se reduction Rx Path The digital output signal from the receiver is fed to the DSP which performs the functions of digital de modulation FEC ACELP speech de compression and audio filtering It transfers the data to the GCAP3 IC In this IC the D A converts the digital audio format to an analog signal the Programmable Gain Amplifier RxPGA adjusts the path gain according to the setting of the volume c...

Page 59: ... handles the switching and line multiplexing functions internally Battery ID The battery is equipped with a Dallas 2502 EPROM A one wire serial bus allows the radio or the battery charger to communicate with the battery and identify whether or not the battery is compatible If the battery is determined to be incompatible the unit auto matically shuts off and the charger does not enter charging mode...

Page 60: ...ctly drives the GCAP3 which sends a signal to RCE through INT1 The five row lines are pulled high via five internal 22 Kohm resistors The five row lines and five column lines are fed to RedCap2 I O pins Pressing any key also generates the keypad internal interrupt The RedCap2 debounces the keys by reading them 25 milliseconds later The keypad decoding scheme works as follows 1 RedCap2 sets rows to...

Page 61: ...ector The radio provides two connectors for access to personal computers data devices and audio accessories Bottom Connector The 14 pin bottom connector is intended to support connection to personal computers and test systems The bus has seven standard modes of operation Normal Nothing Connected USB Mode Emergency PTT RS232 Mode 4 wire RS232 8 wire SSI Mode and SB9600 mode There are also three add...

Page 62: ...RDA DTR TMS 10 STDA DSR TRST STDA DSR TRST 11 Bottom_Option_1 BOT_OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 12 Bottom_Option_2 BOT_OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 13 On_Off JTAG FLASH Mode On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG 14 Headset Indication Key_Fail Key Key HS Key Key Key Table 4 1 2 Botto...

Page 63: ...on SIDE_OPTION3 will be used to select the other modes as per Table 4 1 3 Voltage level for SIDE_OPTION3 is per Table 4 1 4 Table 4 1 3 Side Connector Mode Table Mode SIDE OPTION1 SIDE OPTION2 SIDE OPTION3 1 Ext PTT 0 0 V4 2 Emergency 0 0 V3 3 Volume Up 0 0 V2 4 Volume Down 0 0 V1 5 Man Down 0 0 V0 6 MAP27 1 0 V4 7 Spare 1 0 V3 8 SB9600 SBEP 1 0 V2 9 4 Wire Data RS232 1 0 V1 10 2 Wire Data RS232 1...

Page 64: ...vice Manual TRANSCEIVER 400 MHz Pin No Signal Name 1 Ext_Speaker 2 Ext_Speaker 3 OPT B 4 Ext_Mic 5 SIDE_OPT2 6 SIDE_OPT1 7 GND 8 Rx_Data 9 Tx_Data 10 CTS BUSY_OUT 11 RTS BUSY_IN 12 SIDE_OPT3 13 VIBRATOR Table 4 1 5 Side Connector Pin Out Table ...

Page 65: ...C6002 C6003 C6004 C6018 C6019 C6020 C6021 C6022 C6023 C6024 C6025 C6029 C6030 C6031 C6032 C6033 C6035 C6036 C6037 C6038 C6039 C6040 C6041 C6042 C6043 C6044 C6045 C6046 C6047 C6048 C6049 C6050 C6051 C6052 C6053 C6056 C6057 D001 D2100 D5001 D5002 D5003 E105 E205 E206 E207 E209 E212 E213 E214 E302 E2200 E2400 E4002 E6001 5 6 4 3 2 1 FL2500 2 J002 1 40 J100 1 J110 L301 L1001 L1002 L2001 L2200 L2201 L2...

Page 66: ...2100 E3001 E6002 F200 7 3 1 2 4 5 6 8 FL2100 2 3 4 1 FL5001 J001 J5001 L200 L201 L202 L1521 L1522 L1541 L3001 L3002 L3003 L3004 L3005 L3006 L4003 L4005 L4006 L4007 L4011 L4100 L5005 L5010 L6002 L6003 L6004 L6005 L6006 L7501 L7502 L7503 L7504 L7505 L7506 L7507 L7508 M4001 Q102 Q103 Q201 Q204 Q1521 Q1531 Q3001 Q3002 Q3003 Q3004 Q4100 Q5001 Q6001 Q7021 Q7022 Q7023 Q7024 Q7501 Q7502 Q7503 Q7504 R100 R...

Page 67: ...KP_COL1 RED_LED GRN_LED VREF2_2 775V SPIA_MOSI SPIA_CLK V1_3V PA_TEMP_RETURN LO_DRIVER_EN LO_DRIVER_EN DIGITAL RX_ACQ WPIC_TXE WPIC_OSC_EN WPIC_TXCLK TETRA_MAIN_VCO_ON SPIA_CS0_WPIC SPIA_CS2_ODCT ANT_EN EXT_SPKR SIDE_OPT_SEL2 SIDE_OPT_SEL3 WPIC_TXE WPIC_STD SIDE_OPT_B SIDE_RX VREF2_2 775V INT_SPKR WPIC_OSC_EN WPIC_FSYNC SIDE_TX TCXO_WARP WPIC_STD V4_2 775V 5V_RF RESET_OUT V3_2 775V SPIA_CS0_WPIC V...

Page 68: ...TRST H14 TXA_TDO G15 K11 TXB A8 TOUT11 D8 TOUT12 E6 TOUT13 E7 TOUT14 E8 TOUT15 TOUT2 D5 TOUT3 C6 TOUT4 B6 T13 TCK H13 TDI G12 TDO F12 TEST G16 TMS H12 TOUT0 A5 TOUT1 C5 B8 TOUT10 E12 SPI_CKA A9 D11 SPI_CKB SRDA D13 SRDB B14 B12 SRDB2 STDA D16 STDB A14 STO SPICS0B SPICS1A E11 C10 SPICS1B SPICS2A E10 B10 SPICS2B SPICS3A E9 A10 SPICS3B SPICS4A F7 SPICS4B P12 SENSE SIMCLK N11 SIMDATA N12 SIMRESET T12 ...

Page 69: ... 0 1uF C301 0 1uF 4 2 C319 0 1uF 01uF C300 3 0 1uF C324 0 1uF C315 11 VCC1 D6 VCC2 E1 14 IO7 G6 IO8 B1 IO9 C1 NC1 A6 NC2 E3 NC3 G2 NC4 H1 NC5 H6 IO13 F2 IO14 F1 IO15 G1 IO2 C6 IO3 D5 IO4 E5 IO5 F5 IO6 F6 EN_WE G5 GND1 D1 GND2 E6 IO0 B6 IO1 C5 IO10 C2 IO11 D2 IO12 E2 A6 C4 A7 D4 A8 H2 A9 H3 EN_BHE B2 EN_BLE A1 EN_CE B5 EN_OE A2 A14 F3 A15 F4 A16 E4 A17 D3 A2 A5 A3 B3 A4 B4 A5 C3 U302 CY62147V A0 A3...

Page 70: ...1 SIMPD2 E12 SPIDR L13 REF1A H13 REF1B H12 REF1_VCCA J14 REF1_VCCB J10 A9 REF2 B9 REF2VCC REF3 A11 REF3VCC B11 PGAINR E4 E1 PGAINR2 PGM0 J2 PGM1 J4 PGM2 K1 N8 PGND1 PSRC1 M9 K8 PSRC2 ON J5 ON2 D6 ON3 K4 PA_DRV N13 PA_ON1 P14 PA_SENSE P13 PGAINL F4 PGAINL2 F3 MICBIAS1 D2 MICBIAS2 E2 MICINNEG A2 MICOUT B2 MOBPORTB N6 MOD N3 MUX_CTL C12 NC1 D13 LS3RX P12 LS3TX N11 LX1 P9 LX2 P8 MAINFET P6 MBCAP1 C2 M...

Page 71: ... 8 SELECT 6 SVR 5 VCC1 20 VCC2 11 IN2POS 15 MODE 4 NC1 2 NC2 7 NC3 9 NC4 12 NC5 19 OUT1NEG 18 TDA8547 GND1 1 GND2 10 IN1NEG 17 IN1POS 16 IN2NEG 14 130K U202 R279 HW_ID2 E206 48nH 10uF C243 R252 20K C246 150pF C274 0 1uF C273 10uF C402 0 1uF 47K RT200 0 1uF C245 FUSED_B 47uH L202 V3_2 775V_DIG C286 270pF R244 1K C260 4 7uF C261 4 7uF C219 0 47uF C340 270pF V4_LNODCT E214 48nH R280 10K 10uF C210 V2_...

Page 72: ...0 2 KP_COL2 SIDE_OPT_B 1K R123 J100 32 J100 40 150pF C131 RAW_B OUTY 4 VCC 5 SPIB_CLK U106 TC7S08FU GND 3 INA 2 INB 1 470pF KP_COL3 R124 1K C134 J100 5 J100 38 J100 12 J100 24 KP_ROW2 J100 39 J100 36 BAT_DATA C104 0 1uF 8 VCC 39 R107 U107 4 PWR_GND 4 GND 39 J100 28 R132 1K R106 J100 11 0 1uF C113 C120 J100 25 33pF BOT_SWB _EN J100 17 KP_COL1 R117 39K TC7W02FU U108 1 1 2 7 1K R130 R129 1K 470pF C11...

Page 73: ... 1 2 C125 1 2 0 1uF 1 2 SPARK_GAP E141 GND2 1 R1 10 R2 9 R3 8 R4 7 CE_ON_OFF SPARK_GAP U7003 C1 2 C2 3 C3 4 C4 5 GND1 6 J110 10 U101 EZAST21 1 2 J110 9 SPARK_GAP E133 13V VR104 33pF C123 2 C123 1 33pF 33pF C127 1 6 4 C122 4 33pF 5 6V VR102 2 5 3 5 C4 6 GND1 GND2 1 10 R1 9 R2 8 R3 7 R4 EZAST21 U100 2 C1 3 C2 4 C3 1 1 2 J110 3 TP102 J110 14 SPARK_GAP E117 J110 15 J110 13 TP103 1 150pF C101 4 3 6 1 V...

Page 74: ...ig C006 150pF SW_8_KN_IN 150pF C018 9 GND1 1 PC0 2 PC1 4 PC2 8 PC3 S001 SWITCH C0 C0 C1 C1 7 GND ground_dig RED_LED_KN_IN 150pF C013 ground_dig 150pF C017 150pF KP_COL1_KN_IN 3 A2 2 B1 B2 4 C003 S002 SWITCH 1 A1 C002 150pF 39K R003 C005 150pF BAT_DATA_KN_IN EMERGENCY_KN_IN 39K RAW_B _KN_IN R010 SW_4_KN_IN ground_dig C024 0 1uF 10 R2 9 R3 8 R4 7 VREF2_2 775V_KN_IN 2 C1 C2 3 C3 4 C4 5 GND1 6 GND2 1 ...

Page 75: ...3 4 C032 150pF J002 12 C278 150pF 0 1uF 2 5 3 1 4 6 C025 ON 5 6V VR002 SPARK_GAP E036 1 2 E106 48nH E084 SPARK_GAP 1 2 SPARK_GAP E092 1 2 POS4 EXT_SPKR SIDE_OPT_SEL2 8 NEG1 7 NEG2 6 NEG3 5 NEG4 1 POS1 2 POS2 3 POS3 4 J002 15 BK20104M601 E001 E088 SPARK_GAP 1 2 J002 9 SPARK_GAP E052 1 2 SIDE_CTS SPARK_GAP E056 1 2 VOL 4 1 6 48nH E107 VR001 5 6V 2 5 3 1 2 J002 10 SPARK_GAP E010 J002 21 BLM11B601S E2...

Page 76: ...TQB PREINI PREINIB PRSCIN RESET_OUT RX_ACQ SF_OUT SPIA_CLK SIDE_OPT_SEL3 SIDE_RTS SIDE_RX SITE_TX SW_1 SW_2 SW_4 SW_8 VIBRATOR VOL VREF2_2 775V VTS_2 3V RFCU 16 8_MHZ_CLK 5V_RF INT_SPKR INT_SPKR KP_COL1 KP_COL2 KP_ROW4 ON PTT RAW_B RED_LED SIDE_CTS SIDE_OPT_B SIDE_OPT_SEL1 SIDE_OPT_SEL2 SSC BAT_DATA EMERGENCY EXT_MIC EXT_SPKR EXT_SPKR GRN_LED INT_EAR INT_EAR EXT_SPKR RAW_B SIDE_TX SIDE_OPT_B SIDE_...

Page 77: ...1 3 GND2 5 GND3 6 OUT 4 IN 1 KFN6237 FL2500 15nH L2302 SH2001 SHIELD 1 150pF C2202 R2407 PREINI_RXU 1 8K 150pF C2101 330 R2400 3 3K R2408 2 2pF C2502 15pF C2201 TETRA_RX_LO_RXU 10 R2200 220nH L2503 C2504 10pF C2303 4 3pF C2403 150pF 7 BIAS 2 GND1 3 GND2 4 GND3 6 GND4 8 GND5 1 IN 5 OUT 08A01 FL2100 L2200 15nH R2402 330 C2203 1000pF 3pF C2305 330 R2406 C2404 1000pF L2501 GP06_DCLICIN_RXU 470nH Q2200...

Page 78: ...CAPM B8 TCAPP B11 TCLK C10 TCLKB D4 TEST1 D3 TEST2 D9 TESTD_GP04 E11 TM K4 SFBYP K3 SFGND L4 SFOUT J4 SFVCC K9 SPICLK L9 SPII J11 SRD K10 STD B1 RFA0 E10 RSTB RXACQ H9 J10 RXCLK L11 RXFS H1 SATDET L8 SERIALGND H11 SERIALVCC A4 PREINIB G1 PRSCIN C11 QGND D10 QVCC B9 REFGND REFPLLGND H10 REFPLLVCC G10 B10 REFVCC G9 PLLEMIT A2 PRAGND PRAGNDDIG A1 C3 PRAVCC1 B5 PRAVCC2 B3 PREING A3 PREINGB B4 PREINI C...

Page 79: ...2 VP1 22 VP2 11 FOLD 4 GND1 7 GND2 10 GND3 16 GND4 GND5 19 LE 15 1 NC1 12 CLK 14 DATA 20 DOIF DORF 3 17 FINIFNEG 18 FINIFPOS 6 FINRFNEG 5 FINRFPOS U1501 LMX2332 47nH L1521 SPIA_CLK_LO2 SYNT_CS__RFCU SPIA_MOSI_LO2 330pF 033uF C1506 C1511 4700pF C1512 R1511 ground 4 7K 1000pF C1501 C1502 1000pF L1522 BLM11B601S 22pF C1505 C1504 270pF 0 1uF C1526 D1521 2 3 6 4 1 Q1531 5 15pF C1543 150pF C1544 GP06_DC...

Page 80: ...X_LO_MAIN_VCO VCOCT2_MAIN_VCO PRSCIN_MAIN_VCO R3003 470 330 R3010 R3009 0 C3002 100pF 1100MHz RESONATOR Y3001 10uF C3026 15pF C3025 C3005 15pF C3020 C3013 15pF C3017 130pF 100pF 43 R3013 C3024 15pF 0 75pF C3023 1 5pF C3006 C3012 6 8pF Q3003 L3002 390nH 4 7 R3006 L3003 390nH Q3004 TETRA_MAIN_VCO_ON_MAIN_VCO R3016 R3002 22K R3005 10K 100K 0 1uF C3003 130pF C3001 C3029 022uF E3001 BLM11B601S C3015 0 ...

Page 81: ...5V_RF ASW FEEDBACK LO_DRIVER_EN OUTI OUTIB OUTQ OUTQB TETRA_TX_LO TX_SOURCE V1_3V TXFE ANT_EN FEEDBACK PA_OUT RX_TETRA V4_2 775V VCNTO TXPA 5V_RF PA_BIAS PA_IN PA_OUT PA_TEMP SWB PA_TEMP_RETURN ESCORT 5V_RF ESC_VCO_BUF_EN SPIA_CLK SPIA_CS1_ESCORT SPIA_MOSI TCLK VBLIN PA_TEMP PA_BIAS SPIA_CS_PA_BIAS TETRA_TX_LO ESC_VCO_BUF_EN 5V_RF TCLKB TSLOT TSLOTB OUTI OUTIB OUTQ ASW LO_DRIVER_EN RESET_OUT SPIA_...

Page 82: ...11 C6045 150pF 150pF R6013 C6043 56 56 R6012 015uF C6042 220 R6014 OUTI_LNODCT 0 1uF C6003 R6001 39 4 3pF C6055 C6020 150pF C6021 0 1uF 0 1uF C6052 15pF C6053 C6056 0 1uF 4 7 R6025 C6018 R6024 150pF 1K 150pF C6016 C6004 0 1uF RESET_OUT_LNODCT 150pF C6013 100nH L6006 C6032 VCP 14 8 VDD 17 VOFF 23 VSSR 1 5pF 29 TST3 TST4 30 49 USUB 40 VCC 63 VCC2 34 VCCD 22 VCCO 53 VCCU 9 SLT 10 SLTB SPIC 3 4 SPII 5...

Page 83: ...nH PA_OUT_TXPA 1 VCNTRL 14 VD1 2 VG1 3 VG2 L4007 13 GND4 8 NC1 9 NC2 10 NC3 15 NC4 16 RFIN 6 RFOUT1 7 RFOUT2 U4001 30C65 EP 17 11 G2 4 GND1 5 GND2 12 GND3 0 1uF PA_IN_TXPA C4052 33 R4004 C4019 270pF L4100 270nH PA_BIAS 33 R4010 C4020 180pF C4050 180pF 10K R4001 R4007 PA_TEMP_RETURN_TXPA 100 R4012 22K C4100 180pF 2 R4008 5V_RF R4100 10K R4006 200 27pF C4024 27pF C4043 VBLIN_TXPA SWB _RF L4005 270nH...

Page 84: ...ANT_EN_TXFE Q5001 18nH L5011 R5008 120 C5007 180pF C5003 0 1uF L5005 C5014 330pF BA892 D5003 47 R5006 C5013 180pF 1MEG R5005 FL5001 UB1240 01 GND1 1 GND2 2 IN 4 OUT 3 VCNTO_TXFE C5005 330pF D5002 BAR_63 02W C5011 6 8pF PA_OUT_TXFE C5016 4 7pF R5001 V4_2 775V_TXFE J5001 150 R5004 51 220nH 180pF C5012 L5010 SH5001 SHIELD 1 2 C5022 1pF FEEDBACK_TXFE 6 8pF C5006 1 IN 4 ISOLATION_PORT 3 OUT L5008 15nH ...

Page 85: ...R7511 15 15 R7507 R7506 1500pF 015uF C7011 Q7021 C7012 3 3K R7505 047uF C7001 C7513 10uF 5 6pF C7510 C7509 C7501 150pF 47pF 150pF C7508 82pF C7507 150pF C7511 C7512 4 7uF NC SPIA_MOSI_ESCORT D7502 C7502 12pF NC NC D7501 D7504 680nH L7508 D7503 R7011 L7505 180nH 180nH 82 L7502 L7503 5V_RF_ESCORT 180nH 39nH L7507 D7505 6 8pF C7504 Q7501 Q7502 R7516 100K Q7503 56 R7512 1K R7024 R7509 15 10K R7510 2 7...

Page 86: ... Not Placed GCAM Dummy Part Number C1815 2113743L29 Cap Cer Chip 3300pF 10 16V X7R 0402 C1816 2113743N50 Cap Cer Chip 100pF 5 16V COG 0402 C1817 2113743L17 Cap Cer Chip 1000pF 10 16V X7R 0402 C1820 2113928N01 Cap Cer Chip 0 1uF 10 6 3V X5R 0402 D1521 4809877C13 Diode Varactor ISV305 ESC L1001 2462587V38 Ind Chip 220nH 5 0805 L1002 2462587V38 Ind Chip 220nH 5 0805 L1521 2413926G15 Ind Cer Chip 47 0...

Page 87: ... C3022 2113743N14 Cap Cer Chip 3 3pF 0 25pF 16V COG 0402 C3023 Not Placed GCAM Dummy Part Number Circuit Ref Motorola Part No Description C3024 2104801Z32 Cap Cer Chip 15 0pF 2 HF16V 0402 C3025 2104801Z32 Cap Cer Chip 15 0pF 2 HF16V 0402 C3026 2311049A59 Cap Tant Chip 10uF 10 6V A C3028 2113743L48 Cap Cer Chip 22000pF 10 16V X7R 0402 C3029 2113743L48 Cap Cer Chip 22000pF 10 16V X7R 0402 D3001 4809...

Page 88: ...8 IND CHIP 220nH 5 0805 L5011 2462587V25 IND CHIP 18nH 5 0805 Q5001 4809939C06 Tstr Dual PNP NPN UMZ2N R5001 0662057M54 Res Chip 150 5 0 063W 0402 R5002 0662057M46 Res Chip 68 5 0 063W 0402 R5003 0662057M54 Res Chip 150 5 0 063W 0402 R5004 0662057A18 Res Chip 51 5 0 1W 0603 R5005 0662057N47 Res Chip 1M 5 0 063W 0402 R5006 0662057U43 Res Chip 47 1 0 063W 0402 R5007 0662057N23 Res Chip 100k 5 0 063W...

Page 89: ...0603 D7501 4809877C13 Diode Varactor ISV305 ESC D7502 4809877C13 Diode Varactor ISV305 ESC D7503 4862824C01 Diode Varactor 1SV229 USC Circuit Ref Motorola Part No Description D7504 4862824C01 Diode Varactor 1SV229 USC D7505 4809877C13 Diode Varactor ISV305 ESC L7501 2462587W03 Ind Chip 17nH 5 1206 L7502 2462587V18 Ind Chip 180nH 10 0805 L7503 2462587V18 Ind Chip 180nH 10 0805 L7504 2462587V18 Ind ...

Page 90: ...47 Diode Schottky Barrier RB471E E101 2480675U01 0805 Chip 3Amp E102 2480675U01 0805 Chip 3Amp E103 2409134J04 Ind Chip Fer Fltr 600 0603 E104 2409134J04 Ind Chip Fer Fltr 600 0603 E105 2409134J04 Ind Chip Fer Fltr 600 0603 E106 2480675U01 0805 Chip 3Amp E107 2480675U01 0805 Chip 3Amp E108 2480675U01 0805 Chip 3Amp J100 0905505Y04 Conn ZIF Horizontal J110 0980472U01 Connector 16 Pos Right Angle Q1...

Page 91: ...t No Description C267 2113743L17 Cap Cer Chip 1000pF 10 16V X7R 0402 C268 2113743T19 Cap Cer Chip 10 0uF 10 16V X5R 3225 C269 2113928N01 Cap Cer Chip 0 1uF 10 6 3V X5R 0402 C270 2113928N01 Cap Cer Chip 0 1uF 10 6 3V X5R 0402 C271 2113928D08 Cap Cer Chip 10 0uF 10 10V Y5V 1206 C272 Not Placed GCAM Dummy Part Number C273 2113743T19 Cap Cer Chip 10 0uF 10 16V X5R 3225 C274 2113928N01 Cap Cer Chip 0 1...

Page 92: ...02 C303 2113743L41 Cap Cer Chip 10000pF 10 16V X7R 0402 C304 2113741F45 Cap Cer Chip 6800pF 5 50V X7R 0603 C305 2113741F49 Cap Cer Chip 10000pF 5 50V X7R 0603 C306 2113928K09 Cap Cer Chip 10 0uF 10 6 3V X5R 1206 C307 2113928N01 Cap Cer Chip 0 1uF 10 6 3V X5R 0402 C308 2113743N54 Cap Cer Chip 150pF 5 16V COG 0402 C309 2113928P04 Cap Cer Chip 1 0uF 20 6 3V X5R 0603 C310 2113743N54 Cap Cer Chip 150pF...

Page 93: ...mation includes tuning and other system parame ters The area of the memory in the radio where the tuning information stored is called the codeplug A radio codeplug can be read using the CPS programme Test Procedures This section explains the procedures required to troubleshoot a MTP700 radio The digital tests should be performed using the GoNoGo PATS test and TETRACom SW To use the TETRACom you mu...

Page 94: ... OK Refer to the Main Board DC flowchart Yes No Check for defective REDCAP2 U301 GCAP3 U200 Replace the Main Board Replace the Main Board Is the power supply current correct now Initialize RCE Use the Digital Diagnostic SW No 1 Refer to the DC Distribution V3_2 775V Test flowchart 2 Refer to the RF WPIC flowchart Is the 32kHz clock from GCAP3 TP316 OK Digital Analysis Test Use this test for troubl...

Page 95: ...d the unit pass the Load Setfiles test Did the unit pass the flash test Did the unit pass the 512kx16 SRAM test Check for defective SRAM U302 or REDCAP2 U301 The Flash U303 or the REDCAP2 U301 are defective No Yes Yes Check for defective REDCAP2 U301 No Check for defective REDCAP2 U301 Test the external SRAM U302 Load Setfiles to configure the chip selects Test the Flash U303 B A ...

Page 96: ... Test the backlight by turning it on No Yes Yes No Did the backlight turn on Did the status LEDs turn on No Yes The DSP inside the REDCAP2 U301 is defective Test the status LEDs Replace the Keypad and LCD Boards Use the diagnostic SW for 40pin connector test Did the diagnostic test pass No Yes The Main Board successfully passed all tests Note This test will performed by TetraCom SW application Com...

Page 97: ...oltages FUSED B 7 2Vdc F200 C268 VR201 C222 C228 C250 C280 C281 FILT_3 3V 3 3Vdc C282 C255 C260 C284 C240 C241 C201 C242 V1_3V 3Vdc C211 C264 C266 V2_2 775V 2 775Vdc C210 C213 C257 V3_2 775V_DIG 2 775Vdc C209 C258 C259 V3_2 775V 2 775Vdc C294 C295 VREF1_2 775V 2 775Vdc C285 VREF2_2 775V_DIG 2 775Vdc C212 C260 C261 VREF2_2 775V 2 775Vdc C262 C263 V4_2 775V_GCAP3 2 775Vdc C225 C244 C247 V4_2 775V 2 ...

Page 98: ...OK Check battery contact J001 pin3 for 7 2Vdc Check junction of F200 VR201 for 7 2Vdc FUSED_B No Yes Yes No Is the voltage OK Is the voltage OK Check all FUSED_B circuit components Repair as necessary Yes No Check junction of F200 VR201 for 0 ground Check the bench Power Supply Check C240 C252 for 3 3Vdc Is the resistance OK Replace Fuse F200 No Yes Check for defective components 1 L201 for opens ...

Page 99: ...258 C259 for 2 775Vdc V3_2 775V_DIG Yes No No Yes Is the voltage OK Is Reset high Are frequency and amplitude OK Replace GCAP3 U200 Replace GCAP3 U200 No Yes Yes Check E207 for opens No Replace GCAP3 U200 Test Check TP316 for 32kHz clock with 2 7V amplitude Check C294 C295 for 2 775Vdc V3_2 775V Check C256 for the Reset high LV_DETECT B A ...

Page 100: ...0 MHz DC Distribution V3_2 775V Test Cont Are SPI lines Clock and Data correct Check SPI lines Clock and Data Yes No No Yes Is the voltage OK Replace GCAP3 U200 See Digital Analysis tests Refer to other DC Distribution Test flowcharts Check C210 for 2 775V V2_2 775V B ...

Page 101: ...oltage OK No Yes Refer to the DC Distribution V3_2 775V Test flowchart Check L200 Check C224 C226 C243 C248 for 1 88Vdc PWM1_1 8V Check C209 C258 C259 for 2 775Vdc V3_2 775V_DIG Is the voltage OK Check C242 C201 for 3 3Vdc GCAP3_1 Check E302 ferrite bead at REDCAP2 U301 for opens Check for chopped voltage at junction L202 D202 Yes No Is the voltage OK Check D202 for polarity If OK replace GCAP3 U2...

Page 102: ... the following symptoms no BOT_SWB Is the voltage OK Check traces to 16pin connector Check R109 for 7 2Vdc Check U111 pin1 for 2 775Vdc Yes No No Yes Is the voltage OK Is the voltage OK Check for defective zener VR100 Check for defective Q101 No Yes Go to V3_2 775V test Go to V3_2 775V test Check Q101 pin2 or pin3 for 7 2Vdc IO_1 ...

Page 103: ... 7 2Vdc SWB Is the voltage OK Replace Q201 Check Q201 pin2 or pin3 for 7 2Vdc Yes No No Yes Is the voltage OK Are they OK No Yes Check R217 Check traces to U205 R215 R256 Check 7 2Vdc at Q201 pin6 Check Q201 pin5 for 2 7Vdc Go to V3_2 775V test Is the resistor OK Yes No Replace R217 Check R229 Replace Q201 Is the resistor OK Replace Q201 Replace R229 No Yes ...

Page 104: ...he voltage OK Check U205 associated components Check 5 5V_RF on C299 for 5 5Vdc Check 5 5V_RF on C220 for 5 5Vdc Yes No No Yes Is the voltage OK Are they OK Is the voltage OK Replace U205 Refer to the DC Distribution SWB Test flowchart Replace defective components No Yes Yes Check E212 No Check traces to GCAP3 and Battery Interface Circuitry Check U205 pin2 for 7 2Vdc ...

Page 105: ...t on a unit with the following symptoms no 5V_RF Is the voltage OK Change GCAP3 U200 Check 5V_RF on C292 C293 for 5Vdc Check 5V_RF on C223 for 5Vdc Yes No No Yes Is the voltage OK Is the voltage OK Go to 5 5V_RF test No Yes Check E206 Check traces to the RF sections RFCU RXU TXPA TXFE ESCORT Check 5 5V_RF at C299 ...

Page 106: ... Test Use this test on a unit with the following symptoms no V1_3V Is the voltage OK Change GCAP3 U200 Check C264 C266 for 3Vdc Check C211 for 3Vdc Yes No No Yes Is the voltage OK Is the voltage OK Go to V3_2 775V test No Yes Check E213 Check traces to ESCORT TXVCO section Check C252 for 3 3Vdc ...

Page 107: ... 0Vdc reference voltage V4_DRV Check for 2 775Vdc on C291 V4_2 775V and on C340 V4_LNODCT Check Q202 pin2 for 2 775Vdc Yes No No Yes Is the voltage OK Is the voltage OK Is the voltage OK Check Q202 replace if required Refer to the DC Distribution V3_2 775V Test flowchart Replace GCAP3 U200 No Yes Yes Check E205 or E214 No Check traces to RFCU RXU TXPA TXFE and LNODCT Check Q202 pin3 for 3 3Vdc FIL...

Page 108: ... 400 MHz DC Distribution VREF1_2 775V Test Use this test on a unit with the following symptoms no VREF1_2 775V Is the voltage OK Check C285 for 2 775Vdc Check C252 for 3 3Vdc Yes No No Yes Is the voltage OK Check traces to U307 Change GCAP3 U200 Go to V3_2 775V test ...

Page 109: ...ing symptoms no VREF2_2 775V Yes No No Yes Is the voltage OK Is the voltage OK No Yes Check C263 for 2 775Vdc VREF2_2 775V Check C120 for 2 775Vdc Backlight Check traces to D001 Is the voltage OK Yes No Replace E209 Replace E104 Change GCAP3 U200 Is the voltage OK Check C252 for 3 3Vdc Go to V3_2 775V test Check C212 for 2 775Vdc VREF2_2 775V_DIG ...

Page 110: ...if there are shorts on the board check if RF PA Q4001 is shorted to the ground check voltage regulator VR201 current switch U111 VR100 elements on FUSED_B and FILT_3 3V supply lines Replace parts if faulty Repeat the Standby Current test Also see GCAP section Measure the radio standby current by using PATS station Is standby current above upper current limit Check Radio Fuse F200 bead E208 Replace...

Page 111: ...n Return to first TetraCom Commands TDM Mode Test_Enter L1 timer on Freq Rx 405 0125 Mode RXTDM Mode RSSI or Mode BER Rout WPIC Baseband signal to test points WPIC 2 0 72 NOW Activating control lines at continuous mode WPIC 3 9 1b NOW Is the gain still below 5dB Was that the Problem Passed Check WPIC OK Is the gain still below 5dB Yes No No No No Yes Yes Yes Yes No Check Front Gain using a RF prob...

Page 112: ...frequency TetraCom Commands RFTONE mode test_Enter 11 timer on freq tx 405 main_vco on escort 0c 1d c4 offset_vco on vblin 00 pa off ant_en off mode rftone Is the frequency 518 90625MHz 405MHz 41 32 synthesized No Yes Perform Synthesizer Test Is the Magnitude above 10dBm No Check the DC voltage on Escort IC Is CPBIAS pin 13 0 9Volt and FREQA pin 16 has same voltage 2 2Volt as FREQB pin 9 Perform D...

Page 113: ... which is about 10mA at R7512 and 2 6mA at R7511 VCO is working properly Check the buffers and feedback path to FREQB Probe at C7031 and measure the RF power Does the RF power fall within 0 to 10dBm level Yes No Is ESC_VCO_BUF_EN on 2 775V No Yes Check for shorting on ESC_VCO_BUF line and perform Controller Test Check Escort IC functionality in close loop If control voltage at L7502 is stuck at HI...

Page 114: ...put power 28dBm or 31dBm Yes No OK Check coupler U5001 and R5001 R5002 R5003 C6057 L6009 C5001 C6038 Replace if faulty and repeat the close loop test Does the close loop power problem still exist Yes No OK Measure the LO power on pin 24 MVCO of the LNODCT U6002 800 400m Vp p single ended swing into a 50 ohm load Does the close loop power problem still exist No Yes Replace LNODCT perform Open Loop ...

Page 115: ... V4_2 775V 5V_RF SWB and RAW_B supplied to the transmitter components Check the supply switches and regulators Q4100 Q6002 U4002 Q5001 U4102 for functionality Replace if faulty Perform the Open Loop Power test again No Yes Is there 2 5Vdc of ANT_EN signal on Q5001 pin or C5007 during TX slot No Yes Check L5005 Perform REDCAP2 test Repeat Open Loop Power test Using a Power Probe measure RF power at...

Page 116: ... the Open Looop Power test again Perform the following 1 Visually check all components and solder connections around LNODCT 2 Check E6002 and ODCT pins 34 40 53 63 for 2 775Vdc_ODCT check pins 51 52 for 5Vdc during TX slot check ODCT pins 45 46 56 57 for 2 3 Vdc during Tx slot Replace damaged components Perform the Open Loop Power tuning and test again A Is power 4dBm Yes No Are all checks OK Yes ...

Page 117: ...e Open Loop Power test again Measure the ASW level on pin 28 of LNODCT U6002 during Tx slot by using scope Does the ASW level go low about 0Vdc during Tx slot No Replace LNODCT U6002 Perform the Open Loop Power test again Verify by using scope that 1 There is 2 4MHz clock 1 8 0 3Vdc on pins 11 12 of U6002 during Tx slot 2 SLT and SLTB go low on pins 9 10 of U6002 Yes Do the two conditions exist No...

Page 118: ...test Is TX current 1 8A average TX current Yes No OK 1 Measure RF PA bias voltages on pin 1 of U4100 and pin 1 of U4002 2 Measure supply voltage on pin 2 of U4002 and pin 2 of U4100 Are supply or and bias voltages high Yes No Repeat Open Loop Power test and Close Loop Power test Repeat Transmitter current consumption test 1 Check power supplies 2 Repeat tuning of the radio Repeat Transmitter curre...

Page 119: ...219 3 MHz Is the power level 10dBm 1dB and stable on frequency The 2nd_LO VCO Synthesizer is O K Check Q1521 R1524 for soldering problems and for the right values compare with BOM Does the VCO have its DC Supply Check DC supply for the LMX 1 Check for 5V_RF on C1501 C1504 2 Check 2 775V_WPIC on C1502 Does the LMX have its DC Supply Perform VCO_ONLY TEST 1 Connect at external 0 5 to 4 5V power supp...

Page 120: ...ed successfully Check the VCO output at base Q3003 is the freq 514 65MHz Check for opens shorts or missing components in the buffer circuits Also check for 2 45Vdc on E3001 Test the VCO control voltage at C3002 The typical range is 0 2 to 4 9V Is the control voltage railed to 0 2V or 4 9V Possible prescaler feedback problem 1 Check soldering of C3022 2 Probe to determine if LO is reaching the pres...

Page 121: ...opens or shorts in the VCO circuit A Whether the problem found and fixed YES NO Check buffer Check for opens or shorts Whether the problem found and fixed YES NO Unit testing is complete Whether the problem found and fixed YES NO Unit testing is complete WPIC Problem Check for the following 2 45Vdc on R3006 Confirm that the resonator tab is properly soldered Confirm that the Varicap is in the righ...

Page 122: ...4 1 88 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 123: ...ital RF Board This is sup plemented by the detailed block diagram and detailed circuit description Block Diagram Overview The main Digital RF Block contains the following four sections see Figure 4 2 1 An overview of these four sections is provided in the following paragraphs Receiver Section Transmitter Section Frequency Generating Section Synthesizer Digital Audio Section ...

Page 124: ...00 Portable Radio Detailed Service Manual TRANSCEIVER 800 MHz Figure 4 2 1 General Block Diagram Digital Block DC Block Transmitter Receiver Synthesizer LCD KeyPad Audio Battery Antenna Antenna Switch Main Board ...

Page 125: ...n and quadrature down conversion of the signal into base band Synthesizes the second VCO frequency Performs IF AGC Converts the baseband analog signal into digital I Q formats Synthesizes the receive and transmit data ie Sigma Delta clock Transmits the received data to the DSP Transmitter Section The transmitter circuitry includes a linear class AB Power Amplifier PA for the linear modulation of t...

Page 126: ...produce required reference frequency for the other synthesizers The 16 8 MHz reference is also routed to GCAP3 to clock the digital circuits Main Synthesizer The Main Synthesizer consists of the WPIC internal PLL modules and Main VCO on board It produces the LO signal to down convert the receive signal to the first IF 109 65 MHz frequency and provides the transmit injection frequency for the ESCOR...

Page 127: ...ommunicate with the keypad display and other internal peripherals For audio the RedCap2 contains a Digital Signal Processor DSP which performs mod ulation and de modulation functions for the radio It also performs ACELP speech coding and Forward Error Correction Major components of the digital section are RedCap2 microprocessor with DSP embedded GCAP3 DC power supply and audio amplifier circuits S...

Page 128: ...lter and sent to the WPIC ASIC The WPIC performs down conversion to baseband frequency 0 Hz and converts the baseband analog signals into digital in phase I and quadrature Q formats This data is sent for further processing to the Digital Signal Processor DSP part of RedCap2 over the Synchronous Serial Interface SSI data links The DSP performs the demodulation Forward Error Correction FEC and other...

Page 129: ...baseband I Q signals are converted into corresponding analog signals These signals are also filtered From the WPIC I Q signals are injected to the LNODCT In the LNODCT the data is mixed with RF signal From the differential output of the LNODCT the modulated RF signal is injected to the Balun Filter that transforms the differential input into single output and then it is routed to the antenna via t...

Page 130: ...rence frequency is divided in the WPIC and in the Dual Syn thesizer to produce required reference frequency for the other synthesizers The 16 8 MHz reference is also routed to GCAP3 to clock the digital circuits Main Synthesizer The Main Synthesizer consists of the WPIC internal PLL modules and an external dis crete Main VCO on board It produces the LO signal to down convert the receive signal to ...

Page 131: ...ceiver It produces 219 3 MHz that is divided by two in the WPIC in order to down con vert the received signal to the baseband Transmit PLL The transmit PLL consists of the ESCORT IC and transmit VCO The ESCORT IC receives the reference signal from the main synthesizer The ESCORT IC which is another PLL together with the transmit VCO does the synthesis of the required trans mitter signal ...

Page 132: ...andles the analog to digital and digital to analog conversions on audio signals The power distribution is supported by the Global Control Audio Power GCAP3 IC This IC supplies power to the radio using step down PWM regulator supplying 1 875 VDC to the RedCap2 core supplying V3 linear regulator 2 775VDC to the external memories display and RedCap2 peripheral modules supplying V2 to GCAP3 internal l...

Page 133: ...ion toward limiter diode D500 The attenuation of wanted signal is typically 0 7dB Limiter The limiter D500 function is to limit the signal levels of signal with power higher than 5dBm which may damage the receiver front end L500 resonates out the diode stray capacitance Limiter Baseband Filter A D Divide by 2 Redcap2 DSP GP06 GP05 WPIC I 13mA From TETRA Main VCO Balun XTAL IF Filter 109 65MHz IL 2...

Page 134: ... prod ucts of the LNA and also the image product Its IL is typically 2dB From the output of the 2nd SAW filter the received signal is routed to the Mixer RF input via a LC match Mixer The Mixer U502 function is to down convert the incoming RF signal into IF signal 109 65 MHz The mixer IC consists of a mixer and LO injection buffer The RF signal enters the Mixer at pin 4 and the IF is produced at p...

Page 135: ...ilter array The amplified and filtered signal is passed to the WPIC A D converter This A D converter digitises the ana log differential signal as I and Q components The I and Q components appears as serial data on the WPIC_SRD line whenever the RX_ACQ line is high The WPIC_SRD data is clocked into the DSP baseband port using a clock signal WPIC_TXCLK from WPIC The DSP performs the functions of dig...

Page 136: ...lating filter increases the sampling rate to reduce in band quantization noise as well as to reduce image at multiples of the input data The interpolated samples are rounded to 8 bits and run through the 8 bit D A converters The D A converters take the digital I Q words and convert them into analog signals which are then filtered and amplified The output is comprised of two separate low level diff...

Page 137: ...LNODCT on pins 58 61 BINQB BINQ BINIB and BINI They pass through a variable attenuator and then they are summed with the down converted I Q feedback The baseband signal is then amplified and sent to the up mixer The up mixer consists of two mixers one for the I channel and the other for the Q chan nel The split I Q LO signal is mixed with the baseband I Q signals to produce an I and Q modulated si...

Page 138: ...ator The isolator also protects the Cartesian loop from sudden VSWR variations that could lead to loop instability Antenna Switch The RF signal from the Isolator is applied to PIN diodes D901 and D903 The PIN diodes are turned on during the transmission time slot and the DC current flows through the Iso lator to the ground The RF signal is routed thru the harmonic filter C943 L912 and C944 to the ...

Page 139: ...WM DAC 256 steps to warp the radio frequency in order to lock to the base station This 16 8 MHz signal is present at pin 3 of the TCXO and is routed into the following devices 1 To WPIC s K6 XTALBASE pin The signal is divided by 2 to produce the 8 4 MHz ref erence signal which is used for the Main PLL synthesizer 2 To LMX Dual Synthesizer s OSC_IN pin via C731 The signal is divided to produce the ...

Page 140: ...4 R623 which filters noise in the tuning voltage The Q702 and Q459 buffers prevent loading and interference to the next stage ie RX Mixer and ESCORT respectively LMX Dual Synthesizer The U730 LMX233XL is an integrated dual frequency synthesizer that includes prescal ers It is used with the second LO VCO at the RF section The LMX uses the 16 8 MHz from the TCXO for the synthesizers and divides the ...

Page 141: ...The signal frequency of the Main VCO is divided by 36 32 NUD and compared with the TX VCO frequency in the fast phase com parator of the ESCORT The comparator output signals IUP and IDOWN are then control ling the current mirror Q460 to supply the right tuning voltage to tuning diode D460 via loop filter R464 C472 and C473 ESCORT IC is controlled by RedCap2 via SPIA_CLK SPIA_MOSI and SPIA_CS1_ESCO...

Page 142: ...Correction Encryption Accelerator DSP Peripheral DMA PROM 2Kx24 PRAM 40Kx24 YROM 0Kx16 YRAM 15Kx16 DSP Core Viterbi Accelerator MCU DSP Interface MDI XROM 0Kx16 XRAM 12Kx16 Shared X VIAC RAM 2Kx16 Shared X MCU RAM 2Kx16 Clocks PLL MCU Debug Layer 1 Timer JTAG OnCE UARTB M U X UARTA Audio CODEC Serial Port SAP BRM External Inteface Module QSPIB QSPIA SIM Reset Keypad Interface GPIO MCU Core ROM 4Kx...

Page 143: ... its 16 bit wide data bus Apart from storing radio firmware the Flash also stores the Radio CodePlug Customer related information such as telephone numbers addresses etc SRAM Memory This 512k x 16 bit Static RAM is used for Data storage Serial Peripheral Interface SPI The RedCap2 uses the SPI protocol Serial Peripheral Interface to communicate with RF IC s WPIC ODCT ESCORT GCAP3 IC and the display...

Page 144: ...Vdc and high level voltage of 12Vdc The battery is connected to J001 pins 3 and J001 pin 1 These pins supply the Raw_B to the RF TX power amplifier Raw_B is routed via F200 Fuse becoming Fused_B which is used by the Audio PA LC RF PA TX PRE DRIVER CORE KEYPAD LEDS 6x BACKLIGHT LEDS 4x V1 PWM1_1 8V V1_3V GCAP 3 V2 FUSE WDI 3 3V SW REG AUDIO PA RAW_B _RF VIB 7 2V BATTERY REDCAP DISPLAY CE_BUS CONNEC...

Page 145: ...uring POR and its initial output value is set by GCAP3 UV_SEL pin Connecting UV_SEL pin to B sets V2 output value to 2 775V connecting UV_SEL pin to Ground sets V2 output value to 2 5V For this radio V2 is selected to 2 775V This regulator is supplied by B and it is active whenever the radio is turned ON V2 is the supply for internal and external audio circuits CLK_IN input driver and TS interface...

Page 146: ... not active at POR 5 5V Linear Regulator This is an external linear regulator used to supply GCAP3 DSC regulator and a 4 5V lin ear regulator in ESCORT section Its supplies comes from SWB DSC Linear Regulator DSC is a fixed output linear regulator This regulator is active during POR in the 5V mode DSC is supplied from an external 5 5V linear regulator DSC 5V is used to supply the WPIC and ODCT cha...

Page 147: ...se reduction Rx Path The digital output signal from the receiver is fed to the DSP which performs the functions of digital de modulation FEC ACELP speech de compression and audio filtering It transfers the data to the GCAP3 IC In this IC the D A converts the digital audio format to an analog signal the Programmable Gain Amplifier RxPGA adjusts the path gain according to the setting of the volume c...

Page 148: ... handles the switching and line multiplexing functions internally Battery ID The battery is equipped with a Dallas 2502 EPROM A one wire serial bus allows the radio or the battery charger to communicate with the battery and identify whether or not the battery is compatible If the battery is determined to be incompatible the unit auto matically shuts off and the charger does not enter charging mode...

Page 149: ...ectly drives the GCAP3 which sends a signal to RCE through INT1 The five row lines are pulled high via five internal 22 Kohm resistors The five row lines and five column lines are fed to RedCap2 I O pins Pressing any key also generates the keypad internal interrupt The RedCap2 debounces the keys by reading them 25 milliseconds later The keypad decoding scheme works as follows 1 RedCap2 sets rows t...

Page 150: ...ector The radio provides two connectors for access to personal computers data devices and audio accessories Bottom Connector The 14 pin bottom connector is intended to support connection to personal computers and test systems The bus has seven standard modes of operation Normal Nothing Connected USB Mode Emergency PTT RS232 Mode 4 wire RS232 8 wire SSI Mode and SB9600 mode There are also three add...

Page 151: ...RDA DTR TMS 10 STDA DSR TRST STDA DSR TRST 11 Bottom_Option_1 BOT_OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 BOT_ OPT1 12 Bottom_Option_2 BOT_OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 BOT_ OPT2 13 On_Off JTAG FLASH Mode On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG On_Off JTAG 14 Headset Indication Key_Fail Key Key HS Key Key Key Table 4 2 2 Botto...

Page 152: ...on SIDE_OPTION3 will be used to select the other modes as per Table 4 2 3 Voltage level for SIDE_OPTION3 is per Table 4 2 4 Table 4 2 3 Side Connector Mode Table Mode SIDE OPTION1 SIDE OPTION2 SIDE OPTION3 1 Ext PTT 0 0 V4 2 Emergency 0 0 V3 3 Volume Up 0 0 V2 4 Volume Down 0 0 V1 5 Man Down 0 0 V0 6 MAP27 1 0 V4 7 Spare 1 0 V3 8 SB9600 SBEP 1 0 V2 9 4 Wire Data RS232 1 0 V1 10 2 Wire Data RS232 1...

Page 153: ... Detailed Service Manual 4 2 31 Pin No Signal Name 1 Ext_Speaker 2 Ext_Speaker 3 OPT B 4 Ext_Mic 5 SIDE_OPT2 6 SIDE_OPT1 7 GND 8 Rx_Data 9 Tx_Data 10 CTS BUSY_OUT 11 RTS BUSY_IN 12 SIDE_OPT3 13 VIBRATOR Table 4 2 5 Side Connector Pin Out Table ...

Page 154: ...4 2 32 MTP700 Portable Radio Detailed Service Manual THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 155: ...3 E044 E045 E046 E047 E048 E049 E050 E051 E056 E057 E058 E059 E060 E061 E062 E063 E084 E085 E086 E087 E088 E096 E097 E098 E 0 9 9 1 24 23 2 J002 Q801 R902 3 4 5 U002 U802 E052 E053 E054 E055 E064 E065 E066 E067 C451 C455 C456 C457 C458 C459 C460 C461 C462 C466 C467 C469 C470 C471 C472 C473 C475 C479 C480 C481 C482 C483 C484 C485 C486 C487 C488 C489 C490 C491 C647 L458 L459 L462 L463 L464 L465 L466...

Page 156: ... 5 7 FL501 L505 R506 C514 C516 C517 E500 L502 R502 C508 R500 U500 C500 C501 C511 C512 D500 1 3 5 7 FL500 L501 L500 SH501 E 0 6 9 E 0 7 0 E071 E078 E079 2 C 8 C 4 S001 E068 C008 E005 E076 E 0 7 7 R003 R004 R005 R010 VR007 VR008 R319 R325 TP201 TP205 TP300 TP303 TP305 TP307 TP311 TP330 TP331 TP332 TP333 TP334 TP335 C225 C244 C247 C269 C271 C296 C300 C301 C302 C303 E203 E208 F200 4 3 Q204 R256 R271 R...

Page 157: ...M13 INT7_DTR_SCLK_SRDA_TMS L14 H11 MCU_DE MISOA B9 C11 MISOB MOD R12 DSP_DE G11 DSP_IRQ C12 EB0 K1 EB1 J3 N16 INT0 INT1 N15 INT2 N14 INT3 M15 D2 T3 R3 D3 D4 P3 D5 T4 D6 R4 D7 P4 D8 P5 D9 N5 D0 T1 T2 D1 D10 P6 D11 R6 D12 T6 D13 N6 D14 N7 D15 P7 CS0 N3 CS1 N2 CS2 P2 CS3 R2 CS4 P1 CS5 R1 CTSA_MCU_DE F13 L12 CTSB COLUMN0 N13 COLUMN1 R14 COLUMN2 R15 COLUMN3 T14 COLUMN4 R16 COLUMN5 P16 COLUMN6_OC1 P15 C...

Page 158: ...6 7 1 1 2 3 R319 0 0 R318 IO9 A6 NC1 E3 NC2 G2 NC3 H1 NC4 H6 NC5 D6 VCC1 E1 VCC2 IO15 C6 IO2 D5 IO3 E5 IO4 F5 IO5 F6 IO6 G6 IO7 B1 IO8 C1 GND2 B6 IO0 C5 IO1 C2 IO10 D2 IO11 E2 IO12 F2 IO13 F1 IO14 G1 A8 H3 A9 B2 EN_BHE A1 EN_BLE B5 EN_CE A2 EN_OE G5 EN_WE D1 GND1 E6 A16 D3 A17 A5 A2 B3 A3 B4 A4 C3 A5 C4 A6 D4 A7 H2 A0 A4 A1 H4 A10 H5 A11 G3 A12 G4 A13 F3 A14 F4 A15 E4 19 CY62147V U302 A3 0 R316 3 ...

Page 159: ...ND6 H11 H10 AGND7 AGND8 F11 AGND9 D9 ALRTIN H1 ALRTOUT J1 AD9 P4 ADTRIG M14 E3 AGND1 AGND10 E6 AGND11A G5 AGND11B F12 AGND2 G4 M3 AGND3 U200 A1INT D4 A1LIN L3 A1LOUT L2 AD4 M5 AD5 L5 AD6 K5 GCAP_III GCAP3 Close to B PGM0 1 DNP TS_VCC 2 3V PGM1 0 WDI DCLK TX SPI_DR SLUMP DETECTOR CLK_SPI SPI_DW to VAG pin place close to ALRT_VCC pin DNP INTERRUPT DNP ON CLK_IN Place close DNP CE PGM2 1 DNP STANDBY ...

Page 160: ...N 2 OUT 1 ADP3331 U205 C220 0 47uF R208 820K SWB R220 200K 10K R281 R280 10K R279 130K R278 20K 0 1uF C283 R256 20K E211 EXT_SPKR_SEL BLM11B601S R243 1K 33K R241 R244 1K 6 8K R242 33pF C297 0 1uF C296 E208 BLM11B601S E210 C295 0 1uF 270pF C294 E207 VR201 48nH 13V 15uH L201 R240 33K R277 330K 4 7uF C261 4 7uF C259 4 7uF C209 C258 4 7uF C257 4 7uF C213 4 7uF 2 5A F200 V1_3V VREF2_2 775V C211 C210 V2...

Page 161: ...5 SPIB_CLK J100 37 0 1uF 2 B1 4 B2 J100 9 KP_ROW2 SWITCH S100 1 A1 3 A2 KP_ROW1 KP_COL1 DISPLAY_RS J100 34 J100 11 33pF C112 J100 8 BAT_DATA_OUT J100 4 Backlight KP_ROW0 C4 5 GND1 6 GND2 1 R1 10 R2 9 R3 8 R4 7 U105 EZAST21 C1 2 C2 3 C3 4 KP_COL3 SIDE_OPT_B V3_2 775V R109 0 1 C102 33pF 2 4 VR106 3 9V D101 5 3 1 22 SPIB_CS1_DISPLAY J100 10 R106 Q100 6 1 4 5 3 2 J100 5 VR105 13V V3_2 775V R114 33K R1...

Page 162: ...101 2 C1 3 C2 3 C3 4 C4 5 GND1 6 GND2 1 R1 10 R2 9 R3 8 R4 U100 EZAST21 C1 2 C2 TP103 TP104 SPARK_GAP E130 E129 SPARK_GAP E128 SPARK_GAP SPARK_GAP E127 E126 SPARK_GAP SPARK_GAP E125 SPARK_GAP E124 CE_ON_OFF RS232_RI RS232_DTR RS232_DSR OPT_SEL_1 OPT_SEL_2 SPARK_GAP E117 E116 SPARK_GAP SPARK_GAP SPARK_GAP E115 E146 SPARK_GAP E145 E143 SPARK_GAP SPARK_GAP E144 E141 SPARK_GAP SPARK_GAP E142 E140 SPAR...

Page 163: ...AP E088 SPARK_GAP E035 SPARK_GAP SPARK_GAP E020 SPARK_GAP E041 E090 SPARK_GAP SPARK_GAP E012 E055 SPARK_GAP E056 SPARK_GAP J002 19 J002 20 SPARK_GAP E058 SPARK_GAP SPARK_GAP E047 E048 E062 SPARK_GAP E096 SPARK_GAP E021 SPARK_GAP SPARK_GAP E054 E053 SPARK_GAP 4 6 E011 SPARK_GAP VR001 5 6V 2 5 3 1 E060 SPARK_GAP E023 SPARK_GAP SPARK_GAP E050 E049 SPARK_GAP SPARK_GAP E091 E024 SPARK_GAP SPARK_GAP E03...

Page 164: ... EXT_SPKR C014 1 33pF 33pF C006 3 C006 2 33pF 33pF C006 1 E005 BK1005HM471 VREF2_2 775V E004 BK1005HM471 V3_2 775V V3_2 775V V3_2 775V R009 R003 39K R008 39K R007 39K 39K 39K VCC 5 V3_2 775V FILT_3 3V R006 NL27WZ16 GND 2 IN_A1 1 3 IN_A2 OUT_Y1 6 OUT_Y2 4 U001 2 GND 1 IN_A1 3 IN_A2 6 OUT_Y1 4 OUT_Y2 5 VCC U002 LNJ123W8P0MT 1 2 3 NL27WZ16 D001 C008 33pF KP_COL2 EMERGENCY 3 9V VR008 KP_COL1KP_ROW4_UN...

Page 165: ...GND 4 7uF C536 2pF PREINIB GP05_DCLICP C529 22pF C534 10pF C523 0 R516 33pF C516 C522 10pF C533 33pF C512 33pF L508 220nH 1K R500 TP501 SH500 SHIELD BK1005HM471 E500 12nH L502 E501 BK1005HM471 TP500 L501 6 8nH C517 0 1uF C527 R506 0 19nH 0 1uF L500 R529 270 2 2pF C538 L507 C540 7 5pF 7 GND5 GND6 8 2 IN 6 OUT 220nH FL500 1 GND1 3 GND2 4 GND3 5 GND4 R511 39 5 3 C519 2pF Q501 4 1 2 C528 150pF L520 7 ...

Page 166: ... DCLQCP_GPO7 A6 DETSW_TEST_SI2 J3 DMCS_TEST_SI1 L10 B2 DMXGND DMXGNDDIG C2 C1 DMXVCC D2 DMXVCCDIG FMOUT_GPO3 B7 CLKSEL_TEST_SC3 C9 L3 CPGITR L2 CPGT CREF A7 CTTIME_GPO1 J1 DCLICIN_GPO6 C5 DCLICP_GPO5 B6 DCLQCIN_GPO8 C6 AGCDRIVE G3 AGCGND E2 AGCVCC F1 ASW_TEST_SC1 J5 A5 BBFGND BBFVCC C4 K8 CEX CLKOUT F10 U601 68C21 ADAPT L1 AGC F3 01uF 2 C651 0 1uF C616 PRSCIN WPIC_SRD TETRA_2nd_LO_Enable 6 33 3 9 ...

Page 167: ...4 LP1IB 43 LP1Q 42 DSUB 33 GCP 15 39 GND GND0 21 GND2 62 GNDD 35 GNDU 50 GOFF 18 CAPM 31 CAPO 32 64 CAPR CAPRB 1 CLKI 11 CLKIB 12 CPO 16 DGND 7 ASW 28 BINI 61 BINIB 60 BINQ 59 BINQB 58 U803 XC390138 43pF C831 C804 43pF 3pF C827 0 1uF C968 015uF C818 SHIELD SH901 43pF C853 510 R801 C826 5V_RF 43pF 51 R802 C825 43pF C812 43pF C801 43pF 43pF C836 R800 C846 100 4 1 2 5 3 2 2pF Q805 51 R921 R804 43pF 0...

Page 168: ...01 GND 2 GND1 3 C835 43pF R909 51 C936 C935 2 4pF 43pF 43pF 22K R929 C942 022uF C950 SWB 33K J800 C908 022uF R924 C907 43pF L901 6 8nH D803 C931 10pF R930 1K R912 300 8 2pF C939 D802 9 96nH L911 C937 43pF 27nH L910 R931 220nH L909 C958 200 220nH L900 0 1uF L918 43pF C951 100nH 7 5pF C928 C927 10pF C944 1pF 5 6K R809 SPIA_MOSI V4_2 775V SPIA_CLK PA_BIAS 43pF C921 SPIA_CS_PA_BIAS 0 R908 68K R807 43p...

Page 169: ...00 33pF 12nH L732 8 2K R705 SF_4 5V SF_4 5V 0 R707 VCTRL 200 R701 Q703 4 1 2 5 3 C712 33pF 270 R736 1000pF C711 D700 SHIELD R708 0 33pF SH730 C727 C704 2 4pF 9 NC2 13 NC3 NC4 218 OSC_IN 24 VCC1 23 VCC2 2 VP1 22 VP2 11 FOLD 4 GND1 7 GND2 10 GND3 16 GND4 19 GND5 15 LE NC1 1 12 CLK 14 DATA 20 DOIF 3 DORF 17 FINIF 18 FINIF2 6 FINRF 5 FINRF1 LMX23321SLSLB U730 33pF C713 3 6K C742 R709 8 2pF 2 775V_WPIC...

Page 170: ...OWN 10 IUP 11 NC 1 RTESTCLK 7 RTESTOUT 5 SPIEN 3 TESTOUT CEX_A0 8 CLK_A1 6 CPBIAS 13 CPGND 12 DATA_RTB 2 FREQA 16 FREQB 9 GND1 SPIA_CS1_ESCORT BICMO885 U460 R461 100K V1_3V SPIA_CLK SPIA_MOSI C475 C489 1pF 43pF 0 R482 C471 01uF C486 2pF R478 680 R474 10 C483 43pF R473 470 33pF C455 100nH L464 100nH L463 L466 5 6nH L465 5 6nH C485 5 6pF MVCO_PS C484 2 7pF 33pF C460 L461 120nH C481 2 4pF 100 R453 R4...

Page 171: ...0 0 UF 6 3V 10 C253 2113743L41 Cap Chip 10000 PF 10 X7R C254 2113928A01 Cap Cer Chip 1 0 UF1 0V C256 Not Placed GCAM Dummy Part Number Circuit Ref Motorola Part No Description C257 Not Placed GCAM Dummy Part Number C258 2113928C04 Cap Cer Chip 4 7UF 6 3V10 0805 C259 2113928C04 Cap Cer Chip 4 7UF 6 3V10 0805 C260 Not Placed GCAM Dummy Part Number C261 2113928C04 Cap Cer Chip 4 7UF 6 3V10 0805 C265 ...

Page 172: ...art Number C700 2113743N38 Cap Chip 33 0 PF 5 COG C701 2113743N12 Cap Chip 2 7 PF 25PF COG C702 2113743N12 Cap Chip 2 7 PF 25PF COG C703 2113743N09 Cap Chip 2 0PF 25PF COG Circuit Ref Motorola Part No Description C704 2113743N11 Cap Chip 2 4 PF 25PF COG C705 2113743N08 Cap Chip 1 6 PF 25PF COG C706 2113743N11 Cap Chip 2 4 PF 25PF COG C709 2113743N38 Cap Chip 33 0 PF 5 COG C710 2113743N38 Cap Chip ...

Page 173: ... 0603 E211 2409134J04 Ind Chip Fer Fltr 600 0603 E212 2480675U01 0805 Chip 3Amp E215 2409134J04 Ind Chip Fer Fltr 600 0603 E300 2480067M02 CHK RF Chip Bead Inductor E301 2480067M02 CHK RF Chip Bead Inductor E302 2480067M02 CHK RF Chip Bead Inductor E500 2480640Z01 C IND BK1005HM471 Bead E501 2480640Z01 C IND BK1005HM471 Bead E806 2409134J04 Ind Chip Fer Fltr 600 0603 E807 2409134J04 Ind Chip Fer F...

Page 174: ...40 Circuit Ref Motorola Part No Description R244 0662057M74 Res Chip 1000 5 20X40 R245 0662057M90 Res Chip 4700 5 20X40 R252 0662057N06 Res Chip 20K 5 20X40 R254 0662057V30 Res Chip 130K 1 1 16W R255 0662057M26 Res Chip 10 5 20X40 R256 0662057N06 Res Chip 20K 5 20X40 R271 0662057M78 Res Chip 1500 5 20X40 R272 0662057N13 Res Chip 39K 5 20X40 R274 0662057N16 Res Chip 51K 5 20X40 R275 0662057N14 Res ...

Page 175: ...119Z01 Primary Shield Memories SH400 2686106Z01 Primary Shield ESCORT SH500 2686115Z01 Primary Shield RxFE1 SH501 2686116Z01 Primary Shield RxFE2 SH600 2686117Z01 Primary Shield WPIC SH700 2686105Z01 Primary Shield Main VCO SH730 2686118Z01 Primary Shield 2ND LO SH800 2686109Z01 Primary Shield ODCT1 SH801 2686113Z01 Primary Shield ODCT2 SH900 2686107Z01 Primary Shield Antenna SW HF1 SH901 2686111Z...

Page 176: ...4 2 54 MTP700 Portable Radio Detailed Service Manual TRANSCEIVER 800 MHz THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 177: ...mation includes tuning and other system parame ters The area of the memory in the radio where the tuning information stored is called the codeplug A radio codeplug can be read using the CPS programme Test Procedures This section explains the procedures required to troubleshoot a MTP700 radio The digital tests should be performed using the GoNoGo PATS test and TETRACom SW To use the TETRACom you mu...

Page 178: ...ard Refer to the Main Board DC Flowchart Check for a defective REDCAP2 U301 GCAP3 U200 Is the power supply current OK Is the 32kHz clock from GCAP3 TP316 OK Is the 16 8kHz clock from WPIC correct Refer to the DC distribution V2 2 775V Test flowchart Check for a defective REDCAP2 U301 GCAP3 U200 1 Refer to the DC distribution V2 2 775V Test flowchart 2 Check for a REDCAP2 U301 3 Check assembly of t...

Page 179: ...oad Setfiles to configure the chip selects Did the unit pass the Load Setfiles test Test the external SRAM U302 Did the unit pass the 512k 16 SRAM test Test the Flash U303 Did the unit pass the flash test B Check for defective REDCAP2 U301 Check for defective REDCAP2 U301 Check for defective SDRAM U302 or REDCAP2 U301 The Flash U303 or the REDCAP2 U301 are defective Yes Yes Yes No No No No Yes ...

Page 180: ... status LEDs Did the status LEDs turn on The Main Board successfully passed all tests The DSP inside the REDCAP2 U301 is defective Use the Diagnostic SW for 40 pin Did the diagnostic test pass Replace the Keypad and LCD Replace the Main Board Note This test will be performed by TetraCom SW application Command BackL EN DIS Note This test will be performed by TetraCom SW application Command Leds EN ...

Page 181: ...REF2_2 775V Note The following are the DC power distribution voltages with their correct values and appropriate location to check the voltages Fused B 7 2Vdc F200 Filt_3 3V 3 3Vdc C282 V1_3V 3Vdc C211 V2_2 775V 2 775Vdc C210 V3_2 775V 2 775Vdc C209 C258 C259 VREF1_2 775V 2 775Vdc C285 VREF2_2 775V 2 775Vdc C212 V4_2 775V 2 775Vdc C225 C244 C247 5V_RF 5Vdc C251 C223 PWM1_1 8V 1 8Vdc C224 C248 5 5V_...

Page 182: ...it with the following symptoms no 5 5V_RF Check 5 5V_RF on C299 for 5 5Vdc Check traces to the Escort section Check U205 pin 2 for 7 2Vdc Is the voltage OK No Yes Is the voltage OK Yes No Check U205 associate components Refer to the DC distribution SWB Test flowchart Are they OK Yes No Replace defect components Replace U205 ...

Page 183: ... Test Use this test on a unit with the following symptoms no 5V_RF Check 5V_RF on C251 for 5Vdc Check traces to the RF sections Escort WPIC Tx etc Replace E206 Is the voltage OK No Yes Is the voltage OK Yes No Test OK Check 5 5V_RF at Is the voltage OK Yes No Go to 5 5V_RF test Change GCAP3 U200 ...

Page 184: ...he following symptoms no BOT_SWB Check R109 for 7 2Vdc Is the voltage OK Yes No Go to V2_2 775V test Check U111 pin1 for 2 775Vdc Is the voltage OK Yes No Go to V2_2 775V test Check Q101 pin2 or pin3 for 7 2Vdc BOT_SWB Is the voltage OK Yes No Check for defective zener VR100 Check for defective Q101 Check traces to 16 pin connector ...

Page 185: ...is test on a unit with the following symptoms no 7 2Vdc SWB Check Q201 pin 2 or pin 3 for 7 2Vdc Check traces to U205 L914 R215 R256 Check Q201 pin 5 for 2 7Vdc Is the voltage OK No Yes Is the voltage OK Yes No Check 7 2Vdc at Q201 pin 6 Go to V2_2 775V Test Are they OK Yes No Replace Q201 Go to V2_2 775V Test ...

Page 186: ...IVER 800 MHz DC Distribution V1_3V Test Use this test on a unit with the following symptoms no V1_3V Check C211 for 3Vdc Check traces to Escort section Check C252 for 3 3Vdc Is the voltage OK No Yes Is the voltage OK Yes No Change GCAP3 U200 Go to V2_2 775V Test ...

Page 187: ...Is the voltage OK Check C282 for 3 3Vdc Is the voltage OK Check for defective U201 and associate components Replace U201 if necessary Is the voltage OK Replace E200 Check the bench Power Supply Check junction of F200 and VR201 for 0 ground Is the resistance OK A Check all Fused_B circuit components Repair as necessary Replace Fuse F200 Check traces to Fused_B for opens Repair as necessary Yes Yes ...

Page 188: ...z DC Distribution V2_2 775V Test Cont A Check Filt_B at C252 for 3 3Vdc Is the voltage OK Check TP316 for 32kHz clock with 2 7V amplitude Are frequency and amplitude OK Check C256 for the Reset high Is Reset high B Replace GCAP3 U200 Replace GCAP3 U200 No No No Yes Yes Yes ...

Page 189: ...2 67 DC Distribution V2_2 775V Test Cont B Check SPI lines Clock and Data Are SPI lines Clock and Data correct Check C210 for 2 775Vdc V2_2 775V Refer to other DC Distribution Test Flowcharts See Digital Analysis tests Replace GCAP3 U200 Yes No Is the voltage OK Yes No ...

Page 190: ...nit with the following symptoms no V3_2 775V no PWM1_1 8V Check C209 C258 C259 for 2 7Vdc V3_2 775V Refer to the DC distribution V2_2 775V Test flowchart Check C224 for 1 88Vdc PWM1_1 8V Is the voltage OK Yes No Is the voltage OK Yes No Check E301 ferrite beads at REDCAP2 for opens Refer to the DC distribution V2_2 775V Test flowchart ...

Page 191: ...or 2 775Vdc Is the voltage OK No Yes Check traces to the Rx section Freq Gen Section and Tx section Replace E205 Yes Check Q202 pin 3 for 3 3Vdc Filt_3 3V_GCAP3 Refer to the DC distribution V2_2 775V Test flowchart Check Q202 pin 1 for 3 0Vdc reference voltage V4DRV Is the voltage OK No Is the voltage OK Yes No Is the voltage OK Yes No Check Q202 replaced if required Replace GCAP3 U200 ...

Page 192: ... 800 MHz DC Distribution VREF1_2 775V Test Use this test on a unit with the following symptoms no VREF1_2 775V Check C285 for 2 775Vdc Check traces to U307 Check C252 for 3 3Vdc Is the voltage OK No Yes Is the voltage OK Yes No Change GCAP3 U200 Go to V2_2 775V Test ...

Page 193: ...71 DC Distribution VREF2_2 775V Test Use this test on a unit with the following symptoms no VREF2_2 775V Check C261 for 2 775Vdc Check traces to D001 J100 pin19 Check C252 for 3 3Vdc Is the voltage OK No Yes Is the voltage OK Yes No Change GCAP3 U200 Go to V2_2 775V Test ...

Page 194: ...if there are shorts on the board check if RF PA Q800 is shorted to the ground check voltage regulator VR201 current switch U111 VR100 elements on FUSED_B and FILT_3 3V supply lines Replace parts if faulty Repeat the Standby Current test Also see GCAP section Measure the radio standby current by using PATS station Is standby current above upper current limit Check Radio Fuse F200 bead E200 Replace ...

Page 195: ... Check Baseband Output at WPIC U503 TP600 TP601 Look for sinewave type waveform Check 2 775V supply to LNA Mixer and check control line Q500 Q501 Repair if necessary Check Front Gain again Return to first TetraCom Commands TDM Mode Test_Enter L1timer on Freq Rx 860 0125 Mode RXTDM Mode RSSI or Mode BER Rout WPIC Baseband signal to test points WPIC 2 0 72 NOW Activating control lines at continuous ...

Page 196: ...TetraCom Commands RFTONE mode test_Enter 11 timer on freq tx 806 main_vco on escort 0c 1d c4 offset_vco on vblin 00 pa off ant_en off mode rftone Is the frequency 906 75MHz 806MHz 1 125 synthesized No Yes Perform Synthesizer Test Is the Magnitude above 10dBm No Check the DC voltage on Escort IC Is CPBIAS pin 13 0 9Volt and FREQA pin 16 has same voltage 2 2Volt as FREQB pin 9 Perform DC supply chec...

Page 197: ...3 and Q464 which is about 8mA to R468 and 16mA to R483 VCO is working properly Check the buffers and feedback path to FREQB Probe at C461 and measure the RF power Does RF power fall within 0 to 10dBm level Yes No Does ESC_VCO_BUF_EN is on 2 775V No Yes Check C490 C461 C489 R470 R476 R477 R479 R482 for connection Check for shorting on ESC_VCO_BUF line and perform Controller Test Check Escort IC fun...

Page 198: ...915 C845 C846 L809 Replace if faulty and repeat the close loop test Does the close loop power problem still exist Yes No OK Measure the LO power on pin 24 MVCO of the LNODCT U803 800 400m Vp p single ended swing into a 50 ohm load Does the close loop power problem still exist No Yes Replace LNODCT perform Open Loop Power test and Close Loop Power test Check R852 Replace if faulty repeat Close Loop...

Page 199: ..._RF RAW_B _RF and 2 5V_TX supplied to the Transmitter components Check the battery regulators Q801 Q805 U907 Q806 U802 elements on 2 5V_TX lines Replace if faulty Check voltage across R816 and R805 Perform the Open Loop Power test again No Yes Is there 2 5Vdc of ANT_EN signal on Q806 pin or C830 during TX slot No Yes Check E810 Perform REDCAP2 test Repeat Open Loop Power test Using a Power Probe m...

Page 200: ... the Open Looop Power test again Perform the following 1 Visually check all components and solder connections around LNODCT 2 Check L808 and ODCT pins 34 40 53 63 for 2 775Vdc_ODCT check pins 51 52 for 5Vdc during TX slot check ODCT pins 45 46 56 57 for 2 3 Vdc during Tx slot Replace damaged components Perform the Open Loop Power tuning and test again A Is power 4dBm Yes No Are all checks OK Yes N...

Page 201: ...e Open Loop Power test again Measure the ASW level on pin 28 of LNODCT U803 during Tx slot by using scope Does the ASW level go low about 0Vdc during Tx slot No Replace LNODCT U803 Perform the Open Loop Power test again Verify by using scope that 1 There is 2 4MHz clock 1 8 0 3Vdc on pins 11 12 of U803 during Tx slot 2 SLT and SLTB go low on pins 9 10 of U803 Yes Do the two conditions exist No Yes...

Page 202: ... 1 8A average TX current Yes No OK 1 Measure RF PA bias voltages on pins 7 of U802 and pin 1 of U907 2 Measure supply voltage on pin 2 of U907 and pin 4 of U801 Are supply or and bias voltages high Yes No Repeat Open Loop Power test and Close Loop Power test If the power still exists replace U809 Repeat Transmitter current consumption test 1 Check power supplies 2 Repeat tuning of the radio Repeat...

Page 203: ...dBm 1dB and stable on frequency The 2nd_LO VCO Synthesizer is O K Check Q730 R738 for soldering problems and for the right values compare with BOM Does the VCO have its DC Supply Check DC supply for the LMX 1 Check for 5V_RF on C734 C735 2 Check 2 775V_RF on C737 Does the LMX have its DC Supply Perform VCO_ONLY TEST 1 Connect at external 0 5 to 4 5V power supply to R734 2 Measure the RF freq at C7...

Page 204: ...ted successfully Check the VCO output at C709 is the freq 969 65MHz Check for opens shorts or missing components in the buffer circuits Also check for 4 5Vdc on L703 Test the VCO control voltage at TP700 The typical range is 0 2 to 4 9V Is the control voltage railed to 0 2V or 4 9V Possible prescaler feedback problem 1 Check soldering of C718 2 Probe to determine if LO is reaching the prescaler in...

Page 205: ... opens or shorts in the VCO circuit A Whether the problem found and fixed YES NO Check buffer Check for opens or shorts Whether the problem found and fixed YES NO Unit testing is complete Whether the problem found and fixed YES NO Unit testing is complete WPIC Problem Check for the following 4 5Vdc on R705 Confirm that the resonator tab is properly soldered Confirm that the Varicap is in the right...

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Page 207: ...dio initially turned off properly place radio into Programming Stand PMLN4510 4 Connect the Programming Data cable FLN9636 according to Setup for Radio Pro gramming Figure 5 1 This cable has a switch with two positions Data and Flash Set the switch to Flash to enable programming 5 Turn radio on by rotating the On Off knob clockwise Verify that no display appears on the radio LCD screen Figure 5 1 ...

Page 208: ...he radio screen displays the following data A progress bar appears on the computer screen After the reading process is fin ished the radio Codeplug screen appears Programming Codeplug 1 On the menu bar click File Open 2 Browse for the required Codeplug file and open the file dbf extension 3 The Codeplug window appears on the screen 4 Click the Toolbar Write Phone icon Note The Codeplug is now bein...

Page 209: ...dio from the programming kit Note The new programmed frequencies of the radio are now available to be tested with the IFR or for any other use List2 frequencies are saved on the codeplug and may only be accessed in Test Page mode To go into Test Page feature must be turned on in CPS i e User Per sonal Data Ergonomic Parameters Feature Flags Test Page checked on perform steps 4 thru 7 by pressing t...

Page 210: ...ote Click on toolbar Read Phone to check whether the same factory frequencies were entered into the radio before programming Programming Firmware Note Login as Administrator to perform this task 1 On the menu bar click Tools Write Software Note The CPS reads data from the radio A progress bar is displayed on the computer screen showing the reading status After a successful reading the Write Softwa...

Page 211: ...tively The display shows vertical lines that becomes thicker with every key press until it becomes fully dark 4 Press any key again The display shows the Motorola logo 5 Press any key again The display shows Vibrator On You will need to have an external Smart RSM RMN5011_ or RMN5012_ to verify that the radio is vibrating 6 Press any key again The display shows Red Led On and the Red LED at the top...

Page 212: ...e talkgroup knob from location 1 until 16 and make sure at each location the corresponding number disappears from the display 17 The display proceeds to show all the radio keys knobs and buttons 18 Press every radio item one by one Each item you press causes its respective display to disappear 19 The display then shows Press any key to Continue 20 Pressing any key will cause display to show a seri...

Page 213: ...dures describe the recommended cleaning agents and methods to be used when cleaning the external and internal surfaces of the radio External surfaces should be cleaned whenever a periodic visual inspection reveals the presence of smudges compound or grime Internal surfaces circuit boards and components should only be cleaned when the radio is disassembled for servicing or repair The only recommend...

Page 214: ...on metallic short bristled brush to dislodge embedded or caked materials located in hard to reach areas The brush stroke should direct the dislodged material out and away from the inside of the radio Make sure that controls or tunable components are not soaked with alcohol Do not use high pres sure air to hasten the drying process since this could cause the liquid to collect in unwanted places Aft...

Page 215: ...ional plastic snow trays used for storage and transportation of other semiconductor devices Ground the working surface of the service bench to protect the CMOS device We recommend using the Motorola Static Protection Assembly part number 0180386A82 which includes a wrist strap two ground cords a table mat and a floor mat Wear a conductive wrist strap in series with a 100k resistor to ground Replac...

Page 216: ... 1 4 to 1 6 Disassembling and Reassembling the Radio General Since these radios may be disassembled and reassembled with the use of only five board to casting screws it is important to pay particular attention to the snaps and tabs and how parts align with each other The following tools are required for disassembling the radio chassis opener 6686263Z02 flat head penknife size screwdriver TORX T6 s...

Page 217: ... from Chassis Disassembly 1 Turn off the radio 2 Remove the battery a Pull down on the two battery release buttons b With the buttons pulled down the top of the battery will fall from the radio c Remove the battery from the radio Figure 6 1 Battery Removal 3 Remove the antenna Battery Release Buttons ...

Page 218: ... pushing the chassis opener down and prying the handle of the tool over and behind the base of the radio This prying action forces the thin inner plastic wall toward the base of the radio releasing the two chassis base tabs Figure 6 3 Chassis Removal NOTE The knob slides on and off However it is supposed to fit very tightly on its shaft CAUTION Marring the front cover O ring sealing area will prev...

Page 219: ...y 7 Gently remove flex from the socket connector 8 Lay the chassis down Rotate the front cover backward and slightly away from the chassis 9 Lift the latches on the main circuit board to release the flexes from their connectors Figure 6 4 Unlatch Flex Connectors Socket Connector Latches Flex Connectors UC Flex Circuit Tail Talkgroup Switch ...

Page 220: ... from Chassis 2 Lift the secondary shield and main board from the chassis See Figure 6 5 3 Remove the eight small O ring retainers from their slots in the chassis Note the alignment of the retainers for reassembly 4 Remove the O ring CAUTION Refer to the CMOS CAUTION paragraph on page 3 before removing the main board Be sure to use ESD protection when handling circuit boards Secondary Shield Main ...

Page 221: ...assembly end to end with the front cover assembly 2 Insert the tails of the flex circuits into their respective connectors at the bottom of the front cover 3 Push down the latches on the connectors to hold the flex circuits to the main board 4 Attach the UC flex circuit tail to the socket connector 5 Slide the Talkgroup switch shaft into position in the front cover 6 Push the chassis assembly comp...

Page 222: ...6 10 MTP700 Portable Radio Detailed Service Manual MAINTENANCE 10 Turn on the Volume knob and make sure radio powers up normally Figure 6 6 Fastening the Chassis Radio Chassis ...

Page 223: ... ing with CPS FLN9636_ Programming Cable Cable to connect PC to programming stand PMLN4504_ Data Cable Cable for data transfer RLN4510_ Battery Eliminator Reg ulator 7 5V Regulator to power radio via battery eliminator cable 0180305J49 Battery Eliminator Cable Interconnects radio to power supply 5880384G68 Antenna Adapter SMA BNC 6686263Z02 Chassis Opener Tool to separate chassis from front cover ...

Page 224: ...6 12 MTP700 Portable Radio Detailed Service Manual MAINTENANCE MTP700 Unit Exploded View Figure 6 7 MTP700 Exploded view ...

Page 225: ...ume 3686050Z01 3 Frequency Knob 3686485Z01 4a Front Cover Kit ES PMHN4039A 4b Front Cover Kit CR PMHN4038A 4c Front Cover Kit Kor Mod PMHN4040A 5 Screw Torx T6 Machine 0386104Z01 6 Secondary Shield 2686046Z01 7 Escutcheon ZIF 1386262Z01 8 Main Board Refer to Appendix A 9 Seal Battery Contact Module 3280534Z01 10 Thermal Pad 7580556Z01 11 Gasket O Ring 3286006Z01 12 Chassis 2786007Z01 13a Battery L...

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Page 227: ...ble Radio Detailed Service Manual 7 1 CHAPTER 7 KEYPAD BOARD LAYOUT SCHEMATICS PARTS LIST C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C23 C24 C25 C26 39 40 2 J1 1 10 J2 R1 R2 R3 R4 R5 R6 R7 R8 R10 Keypad Board Top Side PCB No 8466556A01 ...

Page 228: ...ble Radio Detailed Service Manual KEYPAD BOARD LAYOUT SCHEMATICS PARTS LIST D1 D2 D3 D4 D5 D6 D7 D8 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 Keypad Board Bottom Side PCB No 8466556A01 ...

Page 229: ...5 S18 47 47 R6 0 1uF C1 150pF C3 150pF C12 150pF C10 J1 19 C4 150pF C24 0 1uF C25 0 1uF J1 2 1 2 J1 1 1 2 S14 S9 1 2 S13 S8 1 2 47 J2 3 R10 S16 1 2 S17 1 2 C26 S2 1 2 ground_lcd 0 1uF S12 SWITCH 1 2 1 2 D3 S15 C16 1 0uF 33pF C18 1 2 J1 28 1 2 S1 1 2 S21 C7 S20 C6 150pF 150pF C5 J1 27 J1 29 150pF C8 150pF C23 0 1uF D1 D2 D4 D5 D7 D6 D8 J1 13 J2 1 J2 5 J1 24 J1 34 J1 14 J1 32 J1 22 J1 37 J1 35 J2 10...

Page 230: ...000pF 5 50V X7R 0603 C18 2113743N38 CAP CER CHIP 33 0pF 5 16V COG 0402 C23 2113928N01 CAP CER CHIP 0 1uF 10 6 3V X5R 0402 C24 2113928N01 CAP CER CHIP 0 1uF 10 6 3V X5R 0402 C25 2113928N01 CAP CER CHIP 0 1uF 10 6 3V X5R 0402 C26 2113928N01 CAP CER CHIP 0 1uF 10 6 3V X5R 0402 D1 4809496B11 LED CHIP YEL GRN 1608 CL191YG D2 4809496B11 LED CHIP YEL GRN 1608 CL191YG D3 4809496B11 LED CHIP YEL GRN 1608 C...

Page 231: ...LISTSMTP700 Portable Radio Detailed Service Manual 8 1 CHAPTER 8 FLEX LAYOUT SCHEMATICS PARTS LISTS Interconnect Flex 40 J100 40 J200 TO KP TO CTRL 99 C 8480475Z03 REV B Front Metal View From Top Side Back Metal View From Top Side ...

Page 232: ...CD_SEL ON VS_INT KEY_COL SCK_SND CLK ON KEY_ROW FLAT_TX_RTN SCK_SND CLK KEY_COL A0 DB7 OPT_BD_EN RX_AUD_RTN RDY REQ TX_AUD_SND SRD_SND DATA DET_AUD_SND OPT_BD_EN RX_AUD_RTN RDY REQ TX_AUD_SND TX_AUD_RTN R_W RESET DB7 DB6 DB5 VS_INT VS_GAINSEL OFF_BATT_DATA_OUT SRD_RTN MISO VS_RAC GND VS_CS VS_AUDSEL EXT_MIC KEY_ROW INT_EXT_VDD RX_AUD_SND EXT_MIC SW_B LED_EN DB0 DB1 DB2 DB3 DB4 DB1 DB0 LED_EN SW_B ...

Page 233: ...0 Portable Radio Detailed Service Manual 8 3 Universal Connector Flex Front Metal View From Top Side Back Metal View From Top Side EAR PIECE 1 2 1 J1 2 24 23 4 5 3 VOLUME 2 TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 SPEAKER 1 2 ...

Page 234: ... Speaker Volume 1886009Z01 Volume Potentiometer J002 VOL GND GND 13 PIN UNIVERSAL CONN VTS_2 3V INT_SPKR TX_DATA SIDE_CTS SIDE_OPT3 VIBRATOR EXT_SPKR INT_SPKR INT_EAR J10 SIDE_OPT2 24 PIN CONNECTOR GND ON INT_EAR SIDE_OPT1 SIDE_RTS RX_DATA EXT_SPKR OPT B EXT_MIC LS1 MK1 GND GND J002 8 J002 6 J002 7 J002 4 J002 5 J002 2 J002 3 J002 1 SWITCH VOLUME 4 LOW 1 5 3 HIGH 2 J002 19 J002 21 J002 22 J002 11 ...

Page 235: ...FLEX LAYOUT SCHEMATICS PARTS LISTSMTP700 Portable Radio Detailed Service Manual 8 5 Display Flex Front Metal View From Top Side J1 8 9 16 J2 1 10 Back Metal View From Top Side ...

Page 236: ...iption J2 0986016Z01 Connector ZIF 10 pin J11 0987817K02 Connector 16 pin NC NC VENDOR_ID DISPLAY_RS TO KEYPAD BRD TO DISPLAY MODULE CHIP SELECT J2 J11 GND V3_2 775V CLOCK BACKLIGHT NC NC NC NC NC NC RESET BACKLIGHT DATA J11 16 J11 15 J11 12 J11 13 J11 14 J11 11 J11 1 J2 10 J11 3 J11 2 J11 5 J11 4 J11 7 J11 6 J11 9 J11 8 J2 8 J2 9 J11 10 J2 6 J2 7 J2 4 J2 5 J2 2 J2 3 J2 1 ...

Page 237: ...LEX LAYOUT SCHEMATICS PARTS LISTSMTP700 Portable Radio Detailed Service Manual 8 7 Bottom Flex Front Metal View From Top Side 8486025Z06 REVE c 2001 C1 E1 E2 1 16 J1 INT MIC Back Metal View From Top Side ...

Page 238: ...ohm Resistor INT MIC 5085600J01 Speaker J1 0980472U02 Connector ZIF 16 Pin 16 PIN CONNECTOR RES R1 INT_MIC GND USB TXD D TDO USB RXD D TDI USB Power RTS Reset_in SWB CTS MCU_DE FS DCD DSP_DE SCK RI TCK SRDA DTR TMS STDA DSR TRST BOT_OPT1 BOT_OPT2 On_off JTAG Headset Key_Fail INT_MIC J1 14 J1 11 J1 13 J1 15 J1 9 J1 12 J1 7 J1 10 J1 8 J1 4 J1 6 J1 5 J1 2 INT MIC J1 3 TP1 RES R2 J1 1 TP4 TP2 TP7 TP5 ...

Page 239: ...ntenance at Level 1 Maintenance you replace the transceiver and or accessories and send the faulty transceiver and or acces sories to a higher level of maintenance at Level 2 Maintenance a faulty kit is replaced For Latin America Level 1 and Level 2 Maintenance contact your local Motorola CGISS office for information For details please refer to relevant Support Depots on page 1 4 to 1 6 Level 3 Ma...

Page 240: ...ceiver FRU 806 870M 1W 25K CR PMUF1077BS x Transceiver FRU 806 870M 1W 25K ES PMUF1078BS x Transceiver FRU 380 430M 1W 25K CR TEA1 PMUE1852BS x Transceiver FRU 380 430M 1W 25K ES TEA1 PMUE1853BS x Transceiver FRU 806 870M 1W 25K CR TEA1 PMUF1092BS x Transceiver FRU 806 870M 1W 25K ES TEA1 PMUF1093BS x Transceiver FRU 380 430M 1W 25K CR TEA2 PMUE1856BS x Transceiver FRU 380 430M 1W 25K ES TEA2 PMUE...

Page 241: ...r FRU 806 870M 1W 25K ES TEA1 Chinese PMUF1162AS x Transceiver FRU 380 430M 1W 25K CR TEA1 Korean PMUE2058AS x Transceiver FRU 380 430M 1W 25K ES TEA1 Korean PMUE2059AS x Transceiver FRU 806 870M 1W 25K CR TEA1 Korean PMUF1163AS x Transceiver FRU 806 870M 1W 25K ES TEA1 Korean PMUF1164AS x Front Cover Kit Number P1 P2 P3 P4 P5 Front Housing Kit CR PMHN4038A x x Front Housing Kit ES PMHN4039A x x F...

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Page 243: ...s information on the type of signals voltages and current conditions Pins which are marked with no function should not be connected Side Accessory Connector Pin Assignment Figure B 1 Side Accessory Connector Pin Assignment 1 3 5 7 9 11 13 2 4 6 8 10 12 1 3 5 7 9 11 13 2 4 6 8 10 12 Ext_Speaker Ext_Speaker OPT B SIDE_OPT2 GND Tx_Data RTS BUSY_IN Vibrator Ext_Mic SIDE_OPT1 Rx_Data CTS BUSY_OUT SIDE_...

Page 244: ... and a typical input level of 8 mVrms 5 SIDE_OPT2 IN SIDE_OPT1 2 and 3 selects the various radio operation modes with different accessories 6 SIDE_OPT1 IN SIDE_OPT1 2 and 3 selects the various radio operation modes with different accessories 7 GND IN OUT Used as ground 8 RX_DATA IN RS 232 input data 9 TX_DATA OUT RS 232 output data 10 CTS BUSY_OUT OUT Used as Clear To Send in RS 232 communication ...

Page 245: ...gnment Figure B 2 Bottom Accessory Connector Pin Assignment Headset Indication Key_Fail On_Off JTAG Flash Mode Bottom_Option_2 Bottom_Option_1 STDA DSR TRST SRDA DTR TMS SCK RI TCK FS DCD DSP_DE CTS MCU_DE SWB USB Power RTS Reset_In USB RXD D TDI Power Ground GND USB TXD D TDO 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14 ...

Page 246: ...DSP_DE IN OUT This pin is used as Frame Sync in SSI mode Used as Data Carrier Detect in RS 232 mode DSP Debug Event function in JTAG Mode 8 SCK RI TCK IN OUT This pin is used as Serial Clock in SSI mode Used as RingIndicator in RS 232 mode Test Clock in JTAG Mode 9 SRDA DTR TMS IN This pin receives serial data in SSI mode Used as Data Terminal Ready in RS 232 Mode Test 10 STDA DSR TRST OUT This pi...

Page 247: ...appropriate TEST TUNE EQUIPMENT is available The appropriate TEST TUNE EQUIPMENT is a special automated test equipment which is only available at some Motorola factories and Motorola repair centers Motorola Part No Description WADN4161A TETRA SERVICE MONITOR MOBILES ONLY WADN4163A TETRA SERVICE MONITOR MOBILES AND DIRECT MODE WADN4164A TETRA SERVICE MONITOR MOBILES AND BASE STATIONS WADN4173A TETR...

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Page 249: ...for the MTP700 Portable Radios The radio is inoperatable the user should return the radio to Depot Message Cause Error00001 A non fatal error was logged during operation Error00002 CodePlug error log validity error Table D 1 Self Check Error Non Fatal Codes Message Cause Fail00100 Old CodePlug Version failure Fail00200 New CodePlug Version failure Fail00400 CodePlug Model failure Fail00800 CodePlu...

Page 250: ...rrupted codeplug Fail00812 CP Radio Operation System error Fail00813 CP Lower layer error Fail00814 CP Too many arguments Fail00815 CP Log Overflow Fail00816 CP Invalid Checksum Fail00817 CP Not initialized Fail00818 CP Ambiguous code Fail00819 CP Invalid start entry Fail0081A CP Duplicate data Fail0081B CP Invalid version number Fail01000 Flash checksum error Fail02000 A fatal error was logged du...

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Summary of Contents for IMPRES Tetra MTP700

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