Ericsson EDACS PRISM HP Especificações

ericssonzericssonzMaintenance ManualPrism HP / LPE-200SCAN And SYSTEMPORTABLE RADIOS800 MHz

AE/LZB 119 1641 R1B10CIRCUIT ANALYSISThe portable radio is unique in the generation of thetransmit carrier. The transmit section has an offsetfrequen

AE/LZB 119 1641 R1B11Local Oscillator Buffer (V450)The injection frequency (940.4-958.4 MHz) from thesynthesizer circuit is applied to the base of Loc

AE/LZB 119 1641 R1B12for 12.5 kHz channel mode. The selection of operation iscontrolled by HILLARY (D701).Selecting a preprogrammed digital or conven

AE/LZB 119 1641 R1B13TRANSMITTERTransmit Frequency GenerationThe main VCO, in the synthesizer circuit, isprogrammed to generate the 1st LO receive inj

AE/LZB 119 1641 R1B14(MODQ and MODQ_B). The I input passes through a lowpass filter consisting of capacitors C191, C192 and C193,resistor R166 and in

AE/LZB 119 1641 R1B15anode, a reference voltage of 0.15 volts is on N102-A, Pin 3(+IN). Forward biasing V103-2 causes a current to flowthrough direct

AE/LZB 119 1641 R1B16the proper device. The main synthesizer can beprogrammed in 12.5 kHz steps. These inputs can bemetered at TP205 (CLOCK), TP206

AE/LZB 119 1641 R1B17resistor for RX_ON. Regulator N490 is normally enabled.When RX_ON goes high, V490 conducts and N490 isenabled. The control vol

AE/LZB 119 1641 R1B18Low Battery Power DownThe battery voltage is monitored with A/D input toATTIE. To protect the battery against deep dischargecond

AE/LZB 119 1641 R1B19Flash ProgrammingThe “FLASH” software is the current version of thePrism HP radio operating software. When changes andenhancemen

AE/LZB 119 1641 R1B2MANUAL REVISION HISTORYREVISION DATE REASON FOR CHANGER1A OCT 1995 Original issueR1B JUL 1996 Add LPE-200 info. Correct Assembly D

AE/LZB 119 1641 R1B20Table 1 - General TroubleshootingSymptom Possible Cause/Action RequiredCompletely Inoperative (nodisplay or audio on power up)Pow

AE/LZB 119 1641 R1B21Figure 8 - Transmit Path - Test Points and LevelsNOTEReceive RF levels measured with a-50 dBm signal injected at theantenna port.

AE/LZB 119 1641 R1B22ERROR CODES INTRODUCTIONThis section lists all the radio errors and warnings. The radio displays errors and warnings to the user

AE/LZB 119 1641 R1B23Non-Fatal ErrorsNon-fatal errors are displayed for a short period (about two seconds) then normal radio operation will resume.Non

AE/LZB 119 1641 R1B24FATAL_LCD_NOACK HARDWARE 40 LCD did not ack message.FATAL_LCD_HARD_FAIL HARDWARE 41 LCD hardware is invalid.FATAL_SCI_NOHEAP HARD

AE/LZB 119 1641 R1B25PI_MALLOC_ERROR SOFTWARE 503 Could not allocate memory to store crucialpersonality data.UI_FATAL_DEVICE_ERROR PERSDATA 600 Input/

AE/LZB 119 1641 R1B26Error Name Message Code DescriptionPIFEAT_SNR_ERROR FEAT ERR 550 Feature encryption - Cannot read radio ROM serialnumber.PIFEAT_R

AE/LZB 119 1641 R1B27Radio- Canceled by receiver 15 The radio operating software received a cancel command.Radio- Canceled by sender 16Radio- End of t

AE/LZB 119 1641 R1B28DISASSEMBLY PROCEDURETo disassemble the Prism radio:Figure 91. Remove the battery pack by pushing the battery releasebutton and

AE/LZB 119 1641 R1B29Figure 1310. Using a flat blade screwdriver, push on the batterycontacts. Be careful not to damage the gasket.Applying pressure

AE/LZB 119 1641 R1B3SPECIFICATIONS...

AE/LZB 119 1641 R1B30Figure 1714. Pry up on the hook to release from the latch and pushdown on the switches to remove the assembly from thehousing.Fig

ASSEMBLY DIAGRAM AND PARTS LISTSYMBOL PART NUMBER DESCRIPTION1SXK 107 3807 Front Assembly (Scan)1SXK 107 3807/2 Front Assembly(LPE-200 Scan)1SXK 107 3

ASSEMBLY DIAGRAM AND PARTS LISTFront Assembly SCAN(151 88-SXK 107 3807 Uen, Rev. E)SYMBOL PART NUMBER DESCRIPTION1Front Cover2SXA 120 4112 Keypad Scan

ASSEMBLY DIAGRAM AND PARTS LISTFront Assembly SYSTEM(151 88-SXK 107 3808 Uen, Rev. E)SYMBOL PART NUMBER DESCRIPTION1Front Housing2SXA 120 4115 Keypad

ASSEMBLY DIAGRAM AND PARTS LISTRadio Rear Assembly(151 88-SXK 107 3814, Rev. C)SYMBOL PART NUMBER DESCRIPTION1SXK 107 3816 Rear Housing Casting2SXA 12

ASSEMBLY DIAGRAM AND PARTS LIST800 MHz Main Circuit Board Assembly(151 88-ROA 117 2201, Rev. D)SYMBOL PART NUMBER DESCRIPTION1 Printed Circuit BoardN1

ASSEMBLY DIAGRAM AND PARTS LISTRF/Logic Shield(151 88-SXK 107 3818, Rev. C)SYMBOL PART NUMBER DESCRIPTION1 SXA 120 4111 Shield2 SXA 120 4139 Shield Wa

This page intentionally left blankAE/LZB 119 1641 R1B37

OUTLINE DIAGRAM 800 MHz Circuit Board(1078-ROA 117 2201 Uen, Sheet 1, Rev. E)FRONT SIDEAE/LZB 119 1641 R1B38

OUTLINE DIAGRAM 800 MHz Circuit Board(1078-ROA 117 2201 Uen, Sheet 2, Rev. E)BACK SIDEAE/LZB 119 1641 R1B39

AE/LZB 119 1641 R1B4TABLE OF CONTENTS (Con’t)INTRODUCTION ERROR CODES...

SCHEMATIC DIAGRAM Block Diagram(1911-ROA 117 2201/1, Sheet 1, Rev. A)AE/LZB 119 1641 R1B40

SCHEMATIC DIAGRAM Transmitter(1911-ROA 117 2201/1, Sheet 2, Rev. A)AE/LZB 119 1641 R1B41

SCHEMATIC DIAGRAM Transmit Offset(1911-ROA 117 2201/1, Sheet 3, Rev. A)AE/LZB 119 1641 R1B42

SCHEMATIC DIAGRAM Synthesizer(1911-ROA 117 2201/1, Sheet 4, Rev. A)AE/LZB 119 1641 R1B43

SCHEMATIC DIAGRAM Receiver Front End(1911-ROA 117 2201/1, Sheet 5, Rev. A)AE/LZB 119 1641 R1B44

SCHEMATIC DIAGRAM Receiver Back End(1911-ROA 117 2201/1, Sheet 6, Rev. A)AE/LZB 119 1641 R1B45

SCHEMATIC DIAGRAM RF Regulators(1911-ROA 117 2201/1, Sheet 7, Rev. A)AE/LZB 119 1641 R1B46

SCHEMATIC DIAGRAM Digital I/O Lines to RF Section(1911-ROA 117 2201/1, Sheet 8, Rev. A)AE/LZB 119 1641 R1B47

SCHEMATIC DIAGRAM Analog I/O Lines to RF Section(1911-ROA 117 2201/1, Sheet 9, Rev. A)AE/LZB 119 1641 R1B48

SCHEMATIC DIAGRAM TX/RX Audio(1911-ROA 117 2201/1, Sheet 10, Rev. A)AE/LZB 119 1641 R1B49

AE/LZB 119 1641 R1B5SPECIFICATIONS∗∗ (Con't)DIGITALAEGIS:Vocoding Method Adaptive Multiband EncodingData Rate 9600 BPSError Corr. Eff: 8.3 dB at

SCHEMATIC DIAGRAM TX/RX Audio(1911-ROA 117 2201/1, Sheet 11, Rev. A)AE/LZB 119 1641 R1B50

SCHEMATIC DIAGRAM Flex Connector(1911-ROA 117 2201/1, Sheet 12, Rev. A)AE/LZB 119 1641 R1B51

SCHEMATIC DIAGRAM DSP Connectors(1911-ROA 117 2201/1, Sheet 13, Rev. A)AE/LZB 119 1641 R1B52

SCHEMATIC DIAGRAM System Memory(1911-ROA 117 2201/1, Sheet 14, Rev. A)AE/LZB 119 1641 R1B53

SCHEMATIC DIAGRAM Regulators/Power Switch(1911-ROA 117 2201/1, Sheet 15, Rev. A)AE/LZB 119 1641 R1B54

SCHEMATIC DIAGRAM LCD Bias, LED Driver, UDC SWA+ OUT(1911-ROA 117 2201/1, Sheet 16, Rev. A)AE/LZB 119 1641 R1B55

SCHEMATIC DIAGRAM Attie D601(1911-ROA 117 2201/1, Sheet 17, Rev. A)AE/LZB 119 1641 R1B56

SCHEMATIC DIAGRAM Hillary D701(1911-ROA 117 2201/1, Sheet 18, Rev. A)AE/LZB 119 1641 R1B57

Ericsson Inc.Private Radio SystemsMountain View RoadLynchburg, Virginia 24502 AE/LZB 119 1641 R1B1-800-528-7711 (Outside USA, 804-528-7711) Printed in

AE/LZB 119 1641 R1B6DESCRIPTIONThe Ericsson Inc. Prism HP and LPE-200 PortableRadios are rugged, high-quality, high-performance FM two-way communicati

AE/LZB 119 1641 R1B7MECHANICALThe radios are packaged in a polycarbonate blendexterior housing. A six-cell back mounted nickel cadmiumbattery pack pr

AE/LZB 119 1641 R1B8OPERATIONThe Prism series of portable radios is designed forEDACS and conventional mode operation. When the unit isused in a trun

AE/LZB 119 1641 R1B9KEYPAD SCAN/SYSTEM FUNCTIONSFigure 2 - Scan KeypadFigure 3 - System KeypadKey Function▲ ▼Primary Function: Allows user to select