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TRANSMITTER

Power Output

Hi Power

5 watts

Lo Power

2 watts (adjustable to 1 watt)

Conducted Spurious

-65 dB

Modulation Deviation

±

5.0 kHz (maximum)

Audio Response

Within 1 dB and -3 dB of a standard 6 dB/octave pre-emphasis
from 300 to 3000 Hz per EIA.

FM Noise (companion receiver method)

-45 dB

Power Adjust Range

1 to 5 Watts

Distortion

5% (maximum)

Deviation Symmetry

0.1 kHz

RF Output Impedance

50 Ohms

Carrier Attack Time

35 milliseconds

Audio Attack Time

35 milliseconds

RECEIVER

Audio Output (EIA)

0.5 Watts (<5% distortion)

Sensitivity

12 dB SINAD (EIA)

-119 dBm (0.25 

µ

V)

Selectivity

(EIA 2-signal method)

-70 dBm @ 

±

30 kHz

Spurious Response

-70 dB (Half IF spurious -60 dB from 150 MHz to 160 MHz)

Intermodulation

-70 dB

Hum and Noise

Squelched

-80 dB

Unsquelched

-48 dB

Modulation Acceptance

±

7 kHz

Frequency Response

2 dB and -8 dB of a standard 6 dB/octave
de-emphasis curve from 300 to 3000 Hz (EIA).

RF Input Impedance

50 Ohms

*  These specifications are intended primarily for use by service personnel.  Refer to the appropriate Specification Sheet for
    complete specifications.

The software contained in this device is copyrighted by the Ericsson GE Mobile Communications Inc. Unpub-
lished rights are reserved under the copyright laws of the United States.

NOTICE

LBI-38956

5

Содержание PCS 136-174 MHz

Страница 1: ...ations PCS 136 174 MHz Synthesized Portable Radio LBI 38956 Maintenace Manual Table of Contents Front Assembly Front Cap Assembly Audio Logic Board LBI 38975 Rear Assembly RF Board LBI 38275 Service Section LBI 38623 ...

Страница 2: ...FEATURES 15 Automatic Number Identification 15 Type 99 Tone 17 Channel Busy Lock Out 17 SCAN OPERATION 17 Scan Vocabulary 17 Pre Scan Operation 18 Scan Operating Modes 19 Simple SCAN 19 Priority SCAN 19 Scanning for Channel Guard 20 TONE PROGRAMMING 20 GE Type 99 Format 21 Motorola Format 21 Individual Call 22 Group Call Quick Call Format 22 Channel Guard 23 Replacement Of Battery Pack 24 To Remov...

Страница 3: ...E NOMENCLATURE Digits 1 2 Digit 3 Digits 4 5 Digit 6 Product Code Frequency Range Number of Channels Package S SCAN 1 136 153 MHz 02 2 Channels PC 2 150 174 MHz 08 8 Channels D DTMF 16 16 Channels LBI 38956 3 ...

Страница 4: ...x D with 1200 mAh Battery 7 4 x 2 8 x 1 57 inches 18 8 x 7 11 x 4 0 cm with 1700 mAh Battery 8 8 x 2 8 x 1 57 inches 22 35 x 7 11 x 4 0 cm Weight Radio less battery 11 ounces 1200 mAh Battery 9 ounces 1700 mAh Battery 13 5 ounces Ambient Temperature Range 30 to 60 C 22 to 140 F Vibration Meets EIA U S Forest Service and MIL 810 specifications Battery Drain 7 5 VDC Receiver Standby 60 milliamperes ...

Страница 5: ...y 12 dB SINAD EIA 119 dBm 0 25 µV Selectivity EIA 2 signal method 70 dBm 30 kHz Spurious Response 70 dB Half IF spurious 60 dB from 150 MHz to 160 MHz Intermodulation 70 dB Hum and Noise Squelched 80 dB Unsquelched 48 dB Modulation Acceptance 7 kHz Frequency Response Within 2 dB and 8 dB of a standard 6 dB octave de emphasis curve from 300 to 3000 Hz EIA RF Input Impedance 50 Ohms These specificat...

Страница 6: ...PACKS DESK CHARGERS PCPA1J 1200 mAh 19A705293P1 PCPA1K 1700 mAh PCPA1L 1700 mAh 19A705293P3 Factory Mutual Standard CHISS1 120 VAC CHISS2 230 VAC ANTENNA PCNC1P 19B801620P10 136 174 MHz Rapid CHIRS1 120 VAC CHIRS2 230 VAC LBI 38956 6 ...

Страница 7: ... Belt Clip PCHC1C Option Package 19B233241G1 Modification Kit 19A144704G1 Swivel Plate PCHC1D Belt Loop 19B226627G2 Swivel Option 19B233243G1 Earpiece Kit PCZM1A Incudes PCPA1C Accessories Connector PCAC1C 19C851752P7 Speaker Microphone PCAE1X LBI 38956 7 ...

Страница 8: ...ING CASES PCHC5S 1200 mAh Battery Pack Full Cover 19D902456P15 PCHC5T 1200 mAh Battery Pack Retaining Strap 19D902456P7 PCHC5U 1700 mAh Battery Pack Full Cover 19D902456P18 PCHC5V 1700 mAh Battery Pack Retaining Strap 19D902456P7 LBI 38956 8 ...

Страница 9: ...s backlit for night viewing and is mounted in a rubber seal for weather protection The radio is shipped from the factory with the high power level set to 5 watts and the low power level set to 2 watts SCAN applies to the 8 and 16 channel PCS radios RADIO PROGRAMMING Each of the 8 or 16 channel radios can be programmed for SCAN operation and Home Channel or Emergency Channel in addition to the Tone...

Страница 10: ...light will remain illumi nated as long as the button is pressed and will remain illuminated for 5 sec onds after the button has been released provided the button was pressed for at least 1 second Backlight will not be turned on when this feature is disabled In the 8 and 16 channel radios LCD backlighting is turned on every time a control button is pressed channel se lect volume up down and monitor...

Страница 11: ...Figure 1 PCS Operating Controls LBI 38956 11 ...

Страница 12: ...bled in receive mode regardless of the channel change or PTT Auto Receive Channel Guard will automat ically be re enabled after the PTT is acti vated Channel Guard is always enabled when transmit ting regardless of the Channel Guard switch set ting in receive mode Type 99 Reset When the radio is in Type 99 Monitor mode press ing and holding the MONitor button for any length of time reverts the rad...

Страница 13: ... volume level is indicated by the number of bars illuminated in the LCD There are eight 8 levels of volume indicated by the four 4 bars on the LCD each bar represents two levels of volume Pressing and holding the volume buttons continues to increment the volume in the direction indicated on the button INDICATORS The LCD shows the SCAN mode for 8 and 16 channel radios only P1 P2 and S Scan list ind...

Страница 14: ...ll segments of the display are shown during the three beeps If the self test fails all segments will be illu minated but no beeps will be sounded BAT ALERT Simultaneous flashing of BAT in the LCD and the sounding of alert beeps if programmed indicates failure of the synthesizer to lock on frequency If this happens during transmission the trans mitter will become inhibited and no transmission will ...

Страница 15: ...G flag will be illuminated on the display to indicate that a call has been received When Selective mode is chosen the radio switches auto matically to Monitor mode At the end of the message if Selective mode is desired press and release the MONitor button to reset the Type 99 tone signalling function The PG pixel on the display will stop flashing at this time While in Selective mode the radio can ...

Страница 16: ...n select channel RX Ch TX on received channel SCAN Hang time Time receiver remains locked on channel after carrier drops programmable Hang after PTT release YES NO If Yes receiver stays on channel for programmed hang time before SCAN resumes Beep on P1 YES NO Short beep after receiving P1 call Independent of audio alert beep SCAN Prog Mode Front all channels programmed from keypad Fixed P1 fixed b...

Страница 17: ...ogrammed the transmit function is inhibited if the carrier is being received with the incorrect Channel Guard If the correct Channel Guard is being received transmission will be allowed If Channel Guard is disabled and a carrier with the incorrect Channel Guard is received the message will be heard but transmission will still be inhibited If no Chan nel Guard is programmed Channel Busy Lock Out is...

Страница 18: ...ivity on the Priority 1 P1 channel Priority 1 Channel P1 This channel is included on the Scan list and activity on this channel will in terrupt and supersede any other channel activity Channel Activity Channel activity is established with the presence of a carrier modulated with a correct Channel Guard if programmed Hang time Hang time is the time interval that the channel remains locked to a freq...

Страница 19: ...button will revert the radio selected channel to a pre programmed HOME channel and stop the scanning routine automatically Priority SCAN As soon as any activity is detected on a channel the ra dio will change the scanning mode from Simple SCAN to Priority SCAN The new receive channel will appear in the LCD window If the receive channel is a Non Priority channel both Priority 1 and Priority 2 chann...

Страница 20: ...uard digital tone The Programmer Interface Box is connected between the UDC on the side of the PCS radio and the back of the personal computer Refer to Programming Guide TQ3366 for details Two sets of Type 99 tones can be programmed in the PCS radio Any channel can be programmed to decode any call or all calls based on any one of the two tone sets Indi vidual group and super group paging can be us...

Страница 21: ...s before find the first digit of the paging number 1 The second Tone Group is A The third digit of the pag ing number is a 3 and the Tone Designator is A3 In Table 2 read down the column labeled Tone Designator and find A3 Read horizontally across the column labeled Tone Frequency The second tone frequency is 802 5 Hz For different paging numbers locate the first digit in the 100 s Digit column an...

Страница 22: ...up Call applications the tone group is determined by Table 5 while the frequency is determined by Table 4 Refer to the following examples Example1 Group Call Code 07 also code 27 and 37 The digit 0 in Table 5 shows that Tone B is in Tone Group 2 along with 20 to 29 and 30 to 39 Tone number 7 in Tone Group 2 is 832 5 Hz see Table 4 Example 2 Group Call 98 also 48 and 88 The digit 9 in Table 5 shows...

Страница 23: ...ER TONE GROUP TONE B 00 09 10 19 20 29 30 39 40 49 50 59 60 69 70 79 80 89 90 99 TG2 TG1 TG2 TG2 TG4 TG5 TG1 TG5 TG4 TG4 Table 7 CG Tone Frequencies 67 0 71 9 74 4 77 0 79 7 82 5 85 4 88 5 91 5 94 8 97 4 100 0 103 5 107 2 110 9 114 8 118 8 123 0 127 3 131 8 136 5 141 3 146 2 151 4 156 7 162 2 167 9 173 8 179 9 186 2 192 8 203 5 210 7 TONE NO TONE GROUP 1 Hz TONE GROUP 2 Hz TONE GROUP 3 Hz TONE GRO...

Страница 24: ... 503 345 532 416 553 460 607 654 207 732 354 265 426 253 263 736 371 453 530 445 457 575 350 475 750 313 506 574 536 261 567 504 631 636 745 423 563 621 611 671 723 251 704 742 237 243 245 246 252 254 255 262 266 271 274 276 307 311 312 315 317 324 325 331 332 344 346 351 356 363 446 447 452 454 455 462 523 526 464 642 772 267 342 370 554 542 653 661 314 612 706 425 316 431 730 655 427 510 762 652...

Страница 25: ...ed for charg ing For specific instructions regarding the battery charger refer to the applicable charger Operator s Manual INTRINSICALLY SAFE USAGE Selected personal radios with appropriate factory in stalled F4 Options are certified as Intrinsically Safe by the Factory Mutual Research Corporation for use in Class 1 Di vision 1 or 2 hazardous locations in the presence of Groups C and D atmospheres...

Страница 26: ...the output voltage is approxi mately 1 volt per cell This equals 6 volts output for current PCS Personal radio batteries Refer to the Typical Ni Cd cell discharge curve in Figure 5 below Note the flatness of the discharge voltage Discharging below the knee of the curve does not give added service Experience shows discharging below 1 0 volt is not necessary for re conditioning a cell 2 Charge the c...

Страница 27: ...MECHANICAL PARTS BREAKDOWN LBI 38956 27 ...

Страница 28: ...222G1 Transmit Receive Board A1 136 153 MHz 19D438222G2 Transmit Receive Board A1 150 174 MHz 19D438262G1 Transmit Receive Board A1 403 440 MHz 19D438262G2 Transmit Receive Board A1 440 470 MHz 19D438262G3 Transmit Receive Board A1 470 512 MHz 10 19D902175G1 Rear Cover Assembly 11 19A705732P333 Machine screw M3 0 5 x 33 Quantity 2 12 19A702270P2 BNC Antenna Connector 13 19A143453P1 Setscrew 3 48 x...

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