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32

VI.  TX COMPENSATION CALIBRATION 

ALIGNMENT PROCEDURE 

Alignment of compensation calibration points is a

way of correcting for deviation sensitivity vs RF frequen-
cy variations in the VCO.  These points must be
checked and adjusted if the VCO is replaced.  There are
four frequency zones for compensation calibration
points (two for transmit band; two for talkaround).
Adjust these independently.

A.   Method 1

This method requires a modulation analyzer or

meter with a frequency response to less than 10Hz
modulating frequency.  This is the preferred, more accu-
rate method. If, however, such test equipment is not
available, use method 2.

1.

Connect the modulation meter to the antenna con-
nector, using minimum cable length and appropriate
power attenuators for the meter input level.

2.

Connect dc power to the radio and switch radio
power on.

3.

At the PC’s "MAIN MENU” prompt, press F2 to
select "SERVICE.”

4.

At the "SERVICE” menu, press  F4 to select
"ADVANCED ALIGNMENT.”

5.

At the "ADVANCED ALIGNMENT” menu, press F4
to select the TX Compensation Calibration screen.  

NOTE

There are four compensation calibration points to be
set.  Use the F4 and F6 keys to key the radio, since
the programmer calculates the correct frequency for
each point and programs the radio to operate at that
frequency.  Do not use the microphone PTT.

When using this menu, and upon saving the values,

the programmer recalculates and stores both the com-
pensation calibration and the compensation values.
These may not be the same as those displayed before
storing the final values.

6.

At the TX compensation Calibration screen, press
F4 to key the radio with an 11Hz tone modulation.

7.

Note the level of deviation on the analyzer and
press F4 to dekey the radio.  (Use average devia-
tion, if available, on the analyzer.)

8.

Press F6 to key the radio again.  This generates a
67Hz tone.

9.

Use the up and down arrow keys to adjust the com-
pensation value until the deviation is within ±0.2 dB
(2.3%) of the value noted in step (7).

10. Press F6 to dekey the radio.

11. Use the TAB key to select the next zone value;

repeat steps (6) through (10) to check and adjust
the value.

12. Repeat step (11) until all four zones have been

adjusted.

13. Press F8 to program the value.

14. This completes TX compensation calibration adjust-

ment procedure.  Press F10 twice to return to the
"SERVICE” menu and adjust deviation per para-
graph IV.

B.   Method 2

This method for setting TX compensation calibration

can be used if a modulation analyzer or meter, as
described in method 1, is not available.  This method
requires the radio to be disassembled so that the RF
board is exposed, and test point TP603 on that board
can be accessed with an ac millivoltmeter. (J601 pin 2
may be used instead of TP603.)

1.

Connect dc power to the radio and switch radio
power on.

2.

At the PC’s "MAIN MENU” prompt, press F2 to
select "SERVICE.”

3.

At the "SERVICE” menu, press  F4 to select
"ADVANCED ALIGNMENT.”

4.

At the "ADVANCED ALIGNMENT” menu, press F4
to select the TX Compensation Calibration screen. 

NOTE

There are four compensation calibration points to be
set.  Press F4 and F6 to key the radio,  since the pro-
grammer calculates the correct frequency for each
point and programs the radio to operate at that fre-
quency.  Do not use the microphone PTT.

When using this menu, and upon saving the values,

the programmer recalculates and stores both the com-
pensation calibration and the compensation values.
These may not be the same as those displayed before
storing the final values.

When measuring the voltage on TP603 with the ac

millivoltmeter, keep the ground leads as short as possi-
ble to keep noise to a minimum level.

5.

At the TX Compensation Calibration screen, press
F6 to key the radio with a 67Hz tone modulation.

6.

Use the up and down arrow keys to adjust the com-
pensation calibration value for a null ac voltage at
TP603.

7.

Press F6 to dekey.

8.

Press  TAB  to select the next zone value; repeat
steps (5) through (7) to check and adjust the value.

9.

Repeat step (8) until all four zones have been
adjusted.

10. Press F8 to program the value.

Содержание Spectra

Страница 1: ...Spectra Spectra 9000 900 MHz Two Way FM Radios 4 12 and 30Watts RF Power Service Manual Motorola 8000 W est Sunrise Boulevard Fort Lauderdale Florida 33322 68P81074C40 O 68P81074C40 O ...

Страница 2: ...RA RADIO SERVICE AIDS xix REPLACEMENT PARTS ORDERING inside back cover INTRODUCTION I SCOPE AND PURPOSE 1 II RADIO MODEL IDENTIFICATION 1 RADIO INSTRUCTION SHEET I GENERAL 2 II TRUNKED MODE INFORMATION 2 III CONVENTIONAL MODE INFORMATION 2 IV TRUNKED SYSTEM INFORMATION 2 THEORY OVERVIEW I GENERAL See Functional Block Diagram 4 II OPERATION 4 III CONTROL HEAD SPECTRA 4 IV TRANSCEIVER 8 V POWER AMPL...

Страница 3: ...DEVICES 40 VII BOARD REPLACEMENT 41 VIII SPECIAL REPAIR PROCEDURE 46 IX TEST FREQUENCY MENU 48 X CONTROL HEAD TESTING 49 CONTROL STATION OPERATION I DESCRIPTION 54 II INSTALLATION PLANNING 54 III INSTALLATION AND OPERATION 54 APPENDIX 69 MODEL CHART FOR SPECTRA 900 MHz CONVENTIONAL AND PRIVACY PLUS RADIOS AK SUFFIXED MODELS 70 MODEL CHART FOR SPECTRA 900 MHz CONVENTIONAL AND PRIVACY PLUS RADIOS BK...

Страница 4: ...iagnostics Key Closure Displays 52 Figure 21A Front Panel Diagnostics Rotary Key Closure Displays 52 Figure 22 Front Panel Diagnostics Key Closure Displays 53 Table 1 Control Head Jumper Table 8 Table 2 Serial Data Bus Logic States 8 Table 3 VCO Frequency 9 Table 4 VCO Power Output Typical dBm 9 Table 5 Mode Jumper Placement 13 Table 6 EEPROM Jumper Table 14 Table 7 VIP Output Connections 16 Table...

Страница 5: ...A 2 5A 14 5A 935 941 TRANSMITTER Output Impedance 50 ohms Spurious and Harmonic More than 70dB below carrier for EIA spec RS152B Emissions Frequency Stability 00015 of assigned center frequency from 30 C to 60 C ambient 25 C reference Modulation 10K0F1D 11K0F2D and 11K0F3E Audio Sensitivity 0 080V 3dB for 60 maximum deviation 1000Hz Audio Response 1 3dB of a 6dB octave pre emphasis characteristic ...

Страница 6: ...v PERFORMANCE SPECIFICATIONS FOR SPECTRA PRIVACY PLUS TRUNKED CONVENTIONAL 900 MHz RADIO ...

Страница 7: ...vi PERFORMANCE SPECIFICATIONS FOR SPECTRA SMARTNET TRUNKED CONVENTIONAL 900 MHz RADIO ...

Страница 8: ...vii PERFORMANCE SPECIFICATIONS FOR SPECTRA 9000 RADIOS 900 MHz 30 WATTS ...

Страница 9: ...IT AND SPEAKER CONTROL UNIT Dimensions excluding 6 5 W x 3 375 H x 1 687 D mounting bracket 166 mm x 87 mm x 42 mm Weight 1 lb 465 g Current Drain 300 mA SPEAKER Dimensions excluding 5 W x 5 H x 2 5 D mounting bracket 127 mm x 127 mm x 63 mm Weight 1 5 lb 680 g ...

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Страница 14: ... eW e fW2 6X hf hf hf g e 7 B1 f B1e e W MI W Ye e W M I hf hf hf gJ L e f C5eJ L 7H e W Y eJ L 7H f hf hf hf g7R1 3 f 0Ye7R1 f Uf7R1 e hf hf hf f J L V4 f e J L 3L e V X J L 3L W hf hf hf f 7 B1e W5 f e 7 B1 V KO V X 7 B1 V KO hf hf hf f e e 0Y f e e eV40Y eV e eV40R hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf hf e I f W MeI M I e I e eI X eW...

Страница 15: ... W X 6T2 6X 6X e W2 6X f 6KO26X W X 6T f e W X e W2 W2 6Xe 6KO2 6Xe 6X eW2 6K O26XeW X Xe hf hf hf hf 7 B1 B1e e B1 7R1e B eB1 B1 e U I e f eB MI e e 7R1 eB f g e7R1 e W M W M I e B eB1e B1 e U I MI e7R1 X hf f f f f hf f C5e e C5 e e e C5 e V46K e f e H f e eC f g e e Ue7Hg C e e C5 eV46KV H f V1 hf fJ Lf fJ Lf hf f 0Ye U J L e e U e I f g eJ X U f f J L e V X L e U e e 0Y fI f J X 3X hf f f f f ...

Страница 16: ... O e e e f e f e e e e he 0Ye 7H f e f e f g H L e e e f e f e e e e J5 e W5 g C5 J5 g3XW I g W e X h he he h h Y e Y g 0Y Y e eV40R eV4 f M R h he he h h h he he h h h he he h h h he he h h h he he h h h he he h h h he he h h e f e e W e Kh e e e f e f e e e e hf O e e L e 3 g KO W W e 6X e e e e e f e f e e e e he e e Ke e S N gV4 U H 7H 7H e f 1 e e e f e f e e e e hf I e e V4 e 7 e hI e e f e ...

Страница 17: ...SSI 3880197P84 VRS 3880197P85 A B 3880197P86 Chan 3880197P87 PRTT 3880197P88 RtRn 3880197P89 Emp 3880197P90 Pass 3880197P91 Cir 3880197P92 URG 3880197P93 A 3880197P94 B 3880197P95 C 3880197P96 D 3880197P97 E 3880197P98 F 3880197P99 G 3880083R01 K 3880083R02 L 3880083R03 T Z 3880083R04 30 3880083R05 Entr 3880083R06 M WT 3880083R07 MAck 3880083R08 Time 3880083R09 SRun 3880083R10 ERun 3880083R11 STrp...

Страница 18: ...Microphone W432 10 Watt Audio HSN6001A 3 2 ohm Speaker HSN4018A Speaker W239 Noise Cancelling Microphone HMN4030A Noise Cancelling Mic HMN1052A Microphone W355 DEK Status Message 8 HLN1341A DEK Status 6880101W22 Instruction Manual 6880103W09 Instruction Manual W374 DEK 8 Status 18 Message HLN1340A DEK Status Message 6880101W22 Instruction Manual 6880103W09 Instruction Manual W269 Siren Public Addr...

Страница 19: ...Switch HLN5151A Emergency VIP Jumper W81 Locking Installation Kit HLN6025A Locking Installation W109 Handset with Hang Up HLN1220_ Handset w Hang Up HMN1061A Microphone W432 10 Watt Audio HSN6001A 3 2 ohm Speaker HSN4018A Speaker W239 Noise Cancelling Microphone HMN4013A Noise Cancelling Mic HMN1061A Microphone W589 Public Address HKN4265A Fuse Cable HKN4363A Siren Cable HLN1185B PA HLN1238B DEK P...

Страница 20: ...4057A SURFACE MOUNTED COMPONENT IC REMOVAL REWORK STATION Used to replace leadless components and IC s providing precision controlled spot heating for fast and easy repairs 2 RPX 4725B COMMAND AND CONTROL SERVICE CABLE KIT Provides all the necessary board extension cables for servicing digital and analog modules of the Spectra radios 01 80300B09 MLM EXTENDER BOARD p o RPX 4725B For servicing Memor...

Страница 21: ...ith HLF6002A and HLF6073A VCO Carrier Kits only RF board IF input for testing receiver back end sensitivity RX injection output of the VCO assembly 5 30 8037B27 BNC male to SMB female cable for mating to cable mounted SMB male connectors 6 01 80355A28 BNC female to Taiko Denki female adapter for mating to cable mounted Taiko Denki male connectors Cables 5 and 6 allow connection to power amplifier ...

Страница 22: ...a Radio Service Software are also required for serving the Spectra radio This software is available directly from Motorola C E National Parts Department Software computer interfacing cables and other service aids are listed in the following sections along with ordering information The Spectra radio contains a new generation of advanced integrated circuits with all RF and signalling parameters cont...

Страница 23: ...tter PL DPL or CSQ code assignment 16 T A FREQ the transmit talkaround frequency in MHz Models which are not capable of talkaround will say N A in this field 17 TOT the transmitter time out timer value in seconds 18 PR1 the first priority scan selection It will default to the selected mode 19 PR2 the second priority scan selection It will be blank on all models unprogrammed 20 SQL DATA coded squel...

Страница 24: ...3 004 Conv MODE RX FREQ TX FREQ RX CODE TX CODE T A FREQ TOT PR1 PR2 SQL DATA 11 12 13 14 17 10 30 896 9875 937 9875 CSQ CSQ 937 9875 60 STD 18 19 20 21 SCAN OPERATOR SELECT ENABLED 31 896 9875 937 9875 7A 7A 937 9875 60 STD SCAN OPERATOR SELECT ENABLED 32 897 1500 937 1500 131 131 937 1500 60 STD SCAN OPERATOR SELECT ENABLED SPECTRA Sep 9 87 SN 604TST0003 MODEL D37KGA5JB7_K FO 0000000101010102 1 ...

Страница 25: ...1 GENERAL INFORMATION 1 ...

Страница 26: ...tion level is controlled by the power control cir cuitry on the command board via the control voltage fed to the PA module The synthesizer controls the VCO in both receive and transmit The VCO operates at one half the desired injection frequency and is doubled and fed through the injection switch to the appropriate stage Synthesizer frequency programming is done by the microprocessor and is contro...

Страница 27: ... KNOB POWER ON OFF VOLUME KNOB PHONE MAEPF 21375 A SPECTRA ROTARY CONTROL HEAD SPECTRA CONVENTIONAL PUSHBUTTON CONTROL HEAD SPECTRA CONVENTIONAL EXPANDED PUSHBUTTON CONTROL HEAD MAEPF 21375 A PWR Mode Scan Phon Sel Call Vol DIM HOME XMIT BUSY MIC H L Dir Mon Emer OPTIONAL BUTTON INCLUDED BUT NOT INSTALLED HORN LIGHTS MODE CHANNEL SCAN SELECT MONITOR PRIORITY NON PRIORITY INDICATORS DIRECT INDICATO...

Страница 28: ... 6 controls the voltage converter which provides approximately 37 Vdc to the VF driver U101 1 and approximately 2 4 Vac rms across T60 4 and T60 6 to the VF display U102 1 and U102 25 IV TRANSCEIVER A Receiver Front End The receiver front end consists of a preselector a mixer circuit and an injection filter The mixer is designed for low side injection The receiver injection first local oscillator ...

Страница 29: ...range see Table 3 VCO Fre quency This signal is fed to the doubler buffer circuit which in turn doubles the VCO output frequency and amplifies it to the power level required by the TX buffer and RX first mixer A set of PIN diodes switches the TX or RX outputs on or off according to the keyed 9 4V con trol signal The VCO assembly s synthesizer feedback output is the same as the VCO frequency double...

Страница 30: ...If U521 has part number 51 83977M87 the cir cuit is in U521 If U521 has part number 51 83977M72 the circuit is on the HearClear board The reset circuits allow the microcomputer to recover from an unstable sit uation that is no battery on the radio battery voltage too high or too low and remote devices on the external bus not communicating The microcomputer controls the crystal pull circuit via U52...

Страница 31: ...oard The rear battery connector J1 carries A and A from the battery to the power amplifier board The red lead goes directly to the A terminal on the PA board The black A lead from the battery connector ties to the chassis and connection to the power amplifier board is made through the board mounting screws A for the internal transceiver housing is through the RF coax ground connectors and through ...

Страница 32: ...lights when the radio is transmitting The BUSY indicator lights when the select ed channel is busy 5 Scan Indicators In the right hand side of the display window are the NON PRI and PRI indicator lights When scan operation detects activity on a non priority NON PRI channel the NON PRI light comes on Activity on a second priority channel causes PRI to light First priori ty channel activity causes P...

Страница 33: ...double as function keys for radio options All buttons are backlit to allow operation in low light Six ON OFF option buttons and indicator lights above the display window tell whether these options are on or off Other indicators include BUSY XMIT PRI and NON PRI BUSY lights when activity is detected on the channel The XMIT transmit indicator lights when transmitting When activity occurs during a sc...

Страница 34: ...rrent Primarily these transistors control external relays The relay is connected between the col lector and switched B Each VIP input transistor Q25 Q26 Q27 is con nected to a dedicated input port through transistors used for input protection These VIP inputs are con nected to ground with either normally open or normally closed switches 11 Power Supplies Both the 5 and the 9 4 volt supplies are li...

Страница 35: ...onstant current sources to the LEDs Backlight LEDs CR115 CR116 CR117 and CR118 are connected to thermistor R163 by way of Q108 This circuit allows more current to flow through these LEDs at room temperature and reduces current as the temperature rises C Control Unit Maintenance 1 Disassembly of Control Unit see Figure 4 NOTE Before disassembling the control unit note the loca tion of the labeled b...

Страница 36: ... ON OFF switch inside the control unit The relay can be normally on or normally off depending on how the VIP outputs are configured The control unit provides for three of these VIP output con nections See Table 7 The function of these VIP outputs can be defined by field programming the control unit Typical applications for VIP outputs are external horn lights alarm and horn ring transfer relay con...

Страница 37: ...mes within 15 sec onds after power up SELF CHK display goes away normal radio operation ceases and the display changes to SERVICE NOTE With SERVICE displayed you can press HOME once to return to normal radio operation The radio will return to the radio home mode Press Mode up or down to continue program entry The control head shows a 3 second message VER XXXX the X s indicate the software version ...

Страница 38: ...ADJUST AND TEST MODES 3 SEC DELAY 3 SEC DELAY 3 SEC DELAY FIRST PART LAST PART RADIO SOFTWARE VERSION PRESS UP OR DOWN TWICE PRESS 5 TIMES WITHIN 15 SECONDS AFTER POWER UP PRESS TO SKIP OVER THESE DISPLAYS NORMAL RADIO OPERATION PRESS ONCE OR POWER OFF MGXW 4279 B ISS COR AS MAR ILLUSTRATOR DATE ENGINEER DATE PRO LETTERING SIZE REQUIRES EDITOR DATE CHECKER DATE Illus AM JP B 12 11 91 MGXW 4279 B X...

Страница 39: ... through all the zones in reverse order 2 Scroll through the zones until you find the one you wish to modify When the zone is displayed press HOME to select the zone for modifications The dis play now changes to NAME NOTE By pressing Mode you can cycle the display to SCAN EXIT and back to NAME Use this menu when you wish to edit the zone names or zone slaved scan lists V CHANGE ZONE NAMES NOTE Rad...

Страница 40: ... can cycle the display to CALL SCAN EXIT and back to NAME Use this menu when you want to edit the mode names selective call or mode slaved scan lists VIII CHANGE MODE NAMES See Figure 10 NOTE Radio service software can be used to disable mode names This will result in all modes being shown as MODE XX where XX represents the mode number Attempting to change the mode name in front panel programming ...

Страница 41: ...es and or advance to the ID number 2 To Edit the ID Number Go through step 1 above to advance the editor to the ID display An unprogrammed location s display will show ID7_ with the _ flashing If a number has already been programmed the leftmost number after the leading 7 flashes You may edit the number by pressing VOL and Mode just like you would edit the mode name see paragraph VIII If your radi...

Страница 42: ...e the status entered for that mode and to advance to the next mode Press Mode to scroll through all the eligible modes As you scroll through the modes the PRI and N PRI indicators identify the modes that are on the list You may scroll through all the modes to the EXIT display press HOME to exit back to the SCAN display When the list has reached its maximum size addi tional attempts to select modes...

Страница 43: ... SEL Press Mode to access other selections available at this level depending on the model you have PHONE STATUS MESSAGE SITE MPL NAME ST NAME RAC and EXIT Press HOME to select the one you wish to modify XII SELECT RADIO HOME MODE One of the enabled modes in the radio is the home mode that you can access quickly by pressing the HOME button The default home mode as shipped from the factory is the fi...

Страница 44: ...mes or press HOME to select the displayed name for editing After pressing HOME to select a name that name will display with the first character flashing Press VOL and Mode to change one of these names just like you would change a mode name see paragraph VIII After editing the name press HOME to save the changes Press Mode to advance to the next name or go to the EXIT display From EXIT press HOME t...

Страница 45: ...ated transmit power output adjustment 3 Select REF OSC for front panel reference oscilla tor frequency adjustment 4 Select DEV for front panel transmitter deviation adjustment 5 Select EXIT to return to the ALIGN display XVIII LOW POWER ADJUSTMENT With LO POWER displayed press HOME to enter the adjustment mode The display will show LO 1 XXX where the 1 represents the applicable test mode transmit ...

Страница 46: ...ncy standard must be used Perform this adjustment as soon as possible after turning on the radio With REF OSC displayed press HOME to enter the adjustment mode The display will show REF1 XXX where the 1 represents the applicable alignment mode transmit frequency to be used see Table 9 Alignment Mode Frequencies and XXX repre sents the current reference oscillator setting in radio memory There is n...

Страница 47: ...o with the PTT button Adjust by press ing VOL up or down to zero the deviation reading to less than or equal to 2 4 kHz then dekey the radio Press HOME to save the new value and exit back to the DEV menu Press Mode to scroll through the three test mode frequencies DEV1 XX DEV2 XX and DEV3 XX and adjust each as described above Deviation levels with all the various signalling types can also be check...

Страница 48: ...t No alignment is required for parts replacement other than those shown in the table NOTE After alignment exit the SERVICE menu entirely to the MAIN MENU to save all changes properly Failure to do so can result in a FAIL 01 82 or FL 01 82 failure see Table 11 II POWER SET AND CURRENT LIMIT ADJUSTMENT 1 Connect a power meter and a 50 ohm load or ser vice monitor to the antenna connector using minim...

Страница 49: ... drain computer will display TRANSMITTER ON 901 9875 MHz Dekey the radio Press F4 HI TEST FREQ to change to the highest test frequency Key the radio and mea sure the current drain computer will display TRANSMITTER ON 940 0125 MHz Dekey the radio Press the F2 F3 or F4 key to return to the highest current mode 6c Press F6 to key the radio 6d Decrease the current limit relative value until the power ...

Страница 50: ...nment data 7 Press F6 to dekey the radio press F8 to program the value 8 This completes reference oscillator adjustment pro cedure Press F10 as needed to return to the MAIN MENU or to other SERVICE screens IV TRANSMIT DEVIATION ALIGNMENT PROCEDURE NOTE Compensation should not require any adjustments however if for any reason such adjustments are needed adjust compensation per paragraphs V and VI b...

Страница 51: ...viation on the analyzer and press F4 to dekey the radio Use average devia tion if available on the analyzer 8 Press F6 to key the radio again This generates a 67Hz tone 9 Use the up and down arrow keys to adjust the com pensation value until the deviation is within 0 2 dB 2 3 of the value noted in step 7 10 Press F6 to dekey then press F8 to program the value 11 This completes TX compensation adju...

Страница 52: ...iation is within 0 2 dB 2 3 of the value noted in step 7 10 Press F6 to dekey the radio 11 Use the TAB key to select the next zone value repeat steps 6 through 10 to check and adjust the value 12 Repeat step 11 until all four zones have been adjusted 13 Press F8 to program the value 14 This completes TX compensation calibration adjust ment procedure Press F10 twice to return to the SERVICE menu an...

Страница 53: ...he radio 8 Use the up and down arrow keys to adjust devia tion Stop adjustment at the deviation value closest to the value shown below DTMF 1 50 kHz MDC 1 75 kHz Single Tone 1 50 kHz Trunking HS 1 60 kHz 9 Press F6 to dekey the radio then press F8 to pro gram the deviation value 10 Press F10 to return to the SIGNALLING DEVIA TION menu Select another signalling type and repeat steps 6 through 9 Rep...

Страница 54: ...ling failure b Check rear options connector cabling c Replace command board O FL 01 92 FAIL 01 92 The pattern stored within the microcomputer Initialize EEPROM see paragraph VII E EEPROM is incorrect P FL 01 93 FAIL 01 93 Radio has conditions A and O Q FL 01 94 FAIL 01 94 Microcomputer EEPROM is blank Replace command board R FL 01 95 FAIL 01 95 Radio has conditions A and Q S FL 05 81 Control head ...

Страница 55: ...errors and one of this type each error display is shown for two seconds and the display cycles through them A special case exists for error ERROR 01 90 This error indicates that the control unit did not receive a message from the radio If this error occurs the control unit resets the system after all the error displays are shown in an effort to correct the failure DISPLAY SHOWS ITEM Spectra Spectr...

Страница 56: ...X If this fails to pro duce the desired results remove the control head board and install a new board If it passes the test check for cabling or command board problems III TRANSMITTER TROUBLESHOOTING When setting or measuring RF power at 900 MHz you must follow these guidelines to avoid measurement errors due to cable losses or non 50 ohm connector VSWR 1 All cables should be very short and have T...

Страница 57: ...Command board Is the output of the command board pin 11 of J500 distorted If so replace command board 3 VCO board Replace VCO board 4 Compensation not set Check compensation setting if compensation won t adjust go to Can t Set Compensation working DPL distorted below Bad microphone 1 Check deviation and Reset if necessary sensitivity compensation 2 Microphone Speaking loudly into the microphone mo...

Страница 58: ...d 5V on pin 1 of J500 if not there check for A Command board at pin 30 of J502 and SWB at pin 31 of J502 if OK replace command board No receiver audio or 1 Audio PA circuit a Is PL or DPL enabled If so check with PL DPL receiver does not unsquelch b Check continuity of F500 on command board if open check for speaker leads shorted to ground replace 2 Regulators Check for 9 6V on pin 10 of J500 and ...

Страница 59: ...board CAUTION there is 12 5Vdc on the center conductor of this coax a dc blocking capacitor must be used here Radio will not RF board or command board a With no RF signal applied to the radio advance squelch control to maximum setting squelch 15 Is there 3 0 Vp p of noise on pin 4 of J500 If not replace RF board b Is there 2 Vp p pin 6 of J500 If not replace RF board c Is there 2 Vp p pin 5 of J50...

Страница 60: ...d be 407 to 411 MHz if not replace VCO board 2 Reference oscillator Is there 1 5V p p of 2 1 MHz on pin 21 of J500 If not replace reference oscillator or RF board 3 Command board Do both the chip select lines pins 16 20 of J500 go low during mode changes is there data on the clock data lines going into the RF board pins 18 19 of J500 If not replace command board 4 RF board Replace RF board Does no...

Страница 61: ...MENU to save all changes properly Failure to do so can result in an FL 01 82 failure see Table 11 A Control Head Board Spectra 1 Unplug the microphone and remove the two front panel screws Disconnect the control cable on remote models Grasp the front panel firmly and carefully unplug the assembled control head from the radio or remote control head back housing 2 Lay the control head face down on y...

Страница 62: ...d internal spacer and elastomer keypad assembly to the front panel Replace the screws and torque to 6 8 in lbs in the sequence shown in Figures 14 and 15 9 For dash mounted radios plug the interconnect board into the radio then plug in the control head assembly and fasten with the two front panel screws torqued to 4 6 in lbs For remote mount control heads replace the front panel into the remote co...

Страница 63: ...hem through the slots in the PA compartment c Desolder three leads for Pass Device Q9500 d Remove two screws use Torx T8 driver from the power shield e 30 watt only Remove two screws from the final device f Disconnect the red power lead g Use a Torx T15 driver to remove the larger screws Five screws are used on 12 watt or six on 30 watt Carefully lift the PC board from the heatsink NOTE Before des...

Страница 64: ...ting screws e 4 watt and 30 watt only Press PA compart ment shield and install PA cover f Install radio s top and bottom covers 5 Alignment Perform the Power Set and Current Limit Adjust ment See ALIGNMENT VIA IBM PERSONAL COMPUTER for procedures D HearClear Board 1 Remove the radio covers Lift off the command board cover earlier models only 2 Remove the original HearClear board and replace it wit...

Страница 65: ...use a thick coating of compound such could degrade the thermal efficiency of the heatsink 8 Install the new command board and clip the power devices to the chassis being sure that the insulator is in place behind the devices 9 Install the mounting screws starting with the screw holding down the audio final 10 Connect the memory board and option board install the memory board shield NOTE Make sure ...

Страница 66: ...ind as the screws are tight ened pulling the board down to the cavity ledge Tighten screws evenly to avoid warping the board It is very important to use proper screw torque to ensure proper operation in vibration environments 5 Connect the PA board s RF cable to the VCO board connector through the chassis 6 Install the VCO cover and six mounting screws and the RF board cover 7 Install the PA assem...

Страница 67: ...nserting it into the RF board connector P500 It may be necessary to angle the command board towards the PA 3 Ensure the accurate placement of the insulator between Q500 Q502 and Q521 and the chassis wall 4 Start all six of the mounting screws before tighten ing any Tighten evenly to ensure you do not warp the board 5 Reconnect the control head interconnect board J103 to the control head connector ...

Страница 68: ...A N A N A N A OSCILLATOR VCO BOARD N A Second N A N A First N A N A COMMAND BOARD Second Fifth Third N A Fourth Sixth First CONTROL HEAD N A N A N A N A N A N A N A BOARD PA BOARD N A N A Only N A N A N A N A MEMORY BOARD N A N A N A N A N A N A Only Table 16 Alignment Procedures Part Number Description Repair Torque in lbs Where used N A 1 4 40 hex nut 10 12 Control head power switch Earlier mode...

Страница 69: ...d is entered through the front panel programming sequence See FRONT PANEL PROGRAMMING AND ADJUSTMENTS of this manual and specifically paragraph XVI for password entry This test mode allows you to perform button and display tests to verify proper operation Display Modulation Demodulation Type 1 CS None None Carrier Squelch HearClear Disabled 2 PL 100Hz 100Hz PL 3 PC 11Hz None PL Compensation Adjust...

Страница 70: ...number that should display for each key for the Spectra control head Figure 22 shows the control head accessories and key number that should display for each key for the Spectra 9000 control head NOTE Both PTT and MODE cause KEY 01 to display however proper operation of these controls will be verified through normal radio operation Both Mode and VOL buttons display their same respective key number...

Страница 71: ...F PTT RESET EMERGENCY BATT A BATT VF SENSE 2 IGN BUSY SWB DIG GND SPARE 1 SPARE 2 29 28 27 26 30 31 32 18 19 20 21 23 24 33 VIP 3 OUT SWB DIG GND VIP 3 IN CLOCK HUB SWB SPKR HI NC BATT DIG GND BUS SPKR HI NC NC RADIO MIC VIP EMER MIC HI ANA GND TX AUD FLT AUD NC FIL AUD SHLD MIC LO DET AUD RX AUD BUS IGN NC SPKR HI BUSY BUS SHIELD RESET SPKR LO SWB A DIG GND SPARE 2 SPARE 1 RSSI BUS 1 2 3 4 5 6 13...

Страница 72: ... 42 KEY 49 KEY 48 KEY 02 KEY 08 KEY 32 KEY 33 KEY 01 MAEPF 21703 A ON OFF Mode Scan Phon Sel Call Vol DIM HOME 1 2 3 4 5 6 7 8 9 0 Sts Msg H L Mon Dir Rcl Del MIC KEY 02 MAEPF 22781 A KEY 01 KEY 31 KEY 33 KEY 30 KEY 32 KEY 34 KEY 41 KEY 42 KEY 43 MIC PTT KEY 03 MIC HUB KEY 01 TAKE MIC OFF HOOK KEY 08 KEY 40 KEY 47 KEY 4B KEY 4A KEY 48 KEY 49 KEY 46 KEY 45 KEY 44 XMIT BUSY VIP IN 1 KEY 07 VIP IN 2 ...

Страница 73: ...53 INSERT GPW 7221 B Figure 22 Front Panel Diagnostics Key Closure Displays ...

Страница 74: ...interconnect 2 Place the radio on top of the base tray and attach it with two wing nuts Plug accessory cable connector P2 into radio rear accessory connector J2 3 Insert lugged ignition wire red lead of accessory cable into power supply cable connector P6 posi tion 6 Plug power cable connector P6 into power supply connector J6 4 Plug radio power connector P1 from power supply cable to radio connec...

Страница 75: ...INSERT GXW 4278 O PICKUP FROM PW 4320 O 55 CONTROL STATION WIRING DIAGRAM ...

Страница 76: ...56 RIBBON CABLE INSTALLATION DETAILS FOLDING RIBBON CABLE FOR INSTALLATION INSTALLING RIBBON CABLE 12 WATT FOLDING RIBBON CABLE 30 WATT GXW 4325 B GXW 4324 B GXW 4323 A ...

Страница 77: ... O 4296 O 57 WIRING DIAGRAM FOR HORN LIGHTS AND EMERGENCY FEATURES FOR SPECTRA DASH MOUNT RADIOS HORN LIGHTS WIRING DIAGRAM Spectra Rear Accessory Connector EMERGENCY SWITCH WIRING DIAGRAM Spectra Rear Accessory Connector ...

Страница 78: ... 0384244C06 screw wing 5 x 0 8 x 10 4 used 38 0780086N01 trunnion mounting 39 0312002B14 screw tapping 10 16 x 5 8 6 used 40 0380114M02 screw machine 5 x 0 8 x 10 8 used 41 0310911A11 screw machine M3 x 0 5 x 8 42 0310943J15 screw tapping 3 5 x 0 6 x 8 20 used 43 0380102P01 screw tapping M3 5 x 0 60 x 10 8 used 44 0380043L01 screw metric M3 0 x 10 4 used 45 0380077M01 screw front mount 2 used 46 0...

Страница 79: ...PUSHBUTTON SPECTRA 900 MHz RADIO MECHANICAL EXPLODED VIEW 59 INSERT GXW 6225 B ...

Страница 80: ...me 7 0484219M02 LOCKWASHER Switch Mode 8 1502117Z01 HOUSING Front 9 6102110Z01 LIGHTPIPE 10 7502800V01 KEYPAD 11 AALN4009B ASSEMBLY Circuit Board 12 4302112Z01 SPACER Internal 13 0310945A14 SCREW Machine Qty 4 14 3280289L02 GASKET Housing 15 HLN6285A ASSEMBLY Circuit Board 16 3202818V02 GASKET Switch Mode 17 3202818V01 GASKET Switch Volume 18 0102709J83 ASSEMBLY Flex ITEM MOTOROLA DESCRIPTION NO P...

Страница 81: ... 22 4380128N01 SPACER Trunnion Qty 2 23 0780127N01 TRUNNION Mounting 24 0384244C06 SCREW Machine Wing Qty 2 25 0300136756 SCREW Tapping 10 16 x 5 8 Qty 4 26 HKN4356B CABLE Radio 27 1580221J01 HOUSING Connector VIP 28 3280275K01 GASKET Connector VIP 29 0310945A11 SCREW Tapping 2 ITEM MOTOROLA DESCRIPTION NO PART NO Exploded View Rotary Remote Mount Control Head Parts List TPLF 3998 B 1 1580005G02 C...

Страница 82: ... Switch On Off 13 7580012S02 KEYPAD 14 0384244C06 SCREW Wing 5 x 0 8 x 10 Qty 4 15 0780127N01 TRUNNION Remote Dash 16 0300136756 SCREW Self Drilling 10 16 x 1 Qty 4 17 7502118Z02 COVER Dust Rubber VIP 18 7502118Z01 COVER Dust Rubber MIC 19 1580221J01 HOUSING Connector VIP Optional 20 3280275K01 GASKET Connector VIP Optional 21 HKN4356B CABLE Radio 22 HLN6337A BOARD Control Head A5 A7 23 0380077M01...

Страница 83: ...e model chart 21 0310945A14 screw tapping P3 12 x 1 27 x 8 2 used 22 3080034K01 flex cable 23 0310945A11 screw tapping P3 12 x 1 27 x 16 5 used 25 3280178J01 gasket ON OFF switch 29 3280179J01 gasket D connector 30 3880128J01 key ON OFF 31 J1 connector mini D 50 contact 32 1580089J01 housing back 33 3280181J01 gasket face connector 34 0310908A33 screw machine M3 5 x 0 6 x 30 2 used 35 0784323C01 b...

Страница 84: ... Transceiver Hardware HLN6011B Installation Hardware HLN6015A HearClear Board HLN6019A Control Head Board HLN6020A Command Board HLN6024A Control Head Hardware w o Keypad HLN6026A Button Kit Standard Conventional HLN6031A Button Kit Expanded Conventional HLN6032A Button Kit Standard Privacy Plus HLN6034A Button Kit Expanded Privacy Plus HLN6035A Button Kit Dual Privacy Plus HLN6036A Button Kit Pho...

Страница 85: ...are HLN6010B 30 Watt Transceiver Hardware HLN6011B Installation Hardware HLN6015A HearClear Board HLN6019A Control Head Board HLN6020A B Control Head Hardware w o Keypad HLN6026A Button Kit Standard Conventional HLN6031A Button Kit Expanded Conventional HLN6032A Button Kit Standard Privacy Plus HLN6034A Button Kit Expanded Privacy Plus HLN6035A Button Kit Dual Privacy Plus HLN6036A Button Kit Phon...

Страница 86: ...rrier VCO Doubler HLF6073A Control Head Hardware w Keypad HLN6001B Internal Casting Hardware HLN6004A 30 Watt PA Hardware HLN6006A 12 Watt PA Hardware HLN6007A 12 Watt Transceiver Hardware HLN6010B 30 Watt Transceiver Hardware HLN6011B Installation Hardware HLN6015B HearClear Board HLN6019A Control Head Board HLN6020B Control Head Hardware w o Keypad HLN6026B Button Kit Standard Privacy Plus HLN60...

Страница 87: ... Hardware w o Keypad HLN6031A Button Kit Standard Conventional HLN6032A Button Kit Expanded Conventional HLN6033A Button Kit Limited Privacy Plus HLN6034B Button Kit Standard Privacy Plus HLN6036A Button Kit Dual Privacy Plus HLN6040A Button Kit Phone HLN6063A HearClear Board HLN6064B Command Board earlier models HLN6065A Service Manual HLN6066A Control Head Interconnect Board HLN6068A 30 Watt PA ...

Страница 88: ...Hardware HLN6069A 12 Watt PA Hardware HLN6146B 4 Watt PA Hardware HLN6071A 4 Watt and 30 Watt Transceiver Hardware HLN6072A 12 Watt Transceiver Hardware HLN6015A Installation Hardware HLN6100A HearClear Board HLN6075A B Control Head Board HLN6094A B Command Board HLN6101A Control Head Hardware No Keypad HLN6102A Control Head Hardware with Keypad HLN6081B Button Kit Std Conventional HLN6082A Button...

Страница 89: ...mand Board Control Head Hardware No Keypad Control Head Hardware with Keypad Button Kit SMARTNET Limited Button Kit SMARTNET Standard Button Kit SMARTNET Expanded Button Kit Emergency Field Option Microphone Receiver Front End Hybrid Board Speaker Software SMARTNET Roof Mount Antenna Control Head Interconnect Board Board Carrier VCO Doubler RF Board Button Kit Phone Page Emer Field Option Button K...

Страница 90: ...dware HLN6015B HearClear Board HLN6063A Control Head Hardware w o Keypad HLN6026B Command Board HLN6064B Service Manual and Spare Fuse HLN6065A Microphone HMN1052A Receiver Front End Hybrid Board HRF6002B RF Board HRN6005A Speaker HSN4018A Software SMARTNET Limited HVN6008A Software SMARTNET Standard HVN6009A Software SMARTNET Expanded HVN6010A Roof Mount Antenna RRA4935A 12 Watt PA Board HLF6074A...

Страница 91: ...immer Control HearClear Audio Enhancement Ignition Sense Monitor Button Numeric DTMF Keypad MDC PTT ID Emergency 32 Conventional Channels 64 Conventional Channels Talkaround 30 Watts Power DTMF Encode List Unlimited DTMF Encode Mode Slaved Channel Scan Operator Selectable Channel Scan Control Station Operation Remote Mount Capability DTMF Microphone Handset with Hangup Key Lock Mount External Foot...

Страница 92: ...bfleets 3 Systems 8 Subfleets 8 Systems 8 Subfleets Talkaround 12 Watts Power 30 Watts Power Telephone Interconnect List Unlimited Telephone Interconnect Operator Selectable Channel Scan Operator Selectable System Scan Fixed List System Scan Dual Mode Operation Unlimited Private Conversation PC with Call Alert CA PC Response with CA Decode External Alarm Capability Control Station Operation Remote...

Страница 93: ...PTT ID Emergency 1 Conventional Channel 10 Conventional Channels 6 Systems 8 Subfleets 8 Systems 8 Subfleets Talkaround 12 Watts Power 30 Watts Power Telephone Interconnect List Unlimited Telephone Interconnect Operator Selectable Channel Scan Operator Selectable System Scan Fixed List System Scan Dual Mode Operation Unlimited Private Conversation PC with Call Alert CA PC Response with CA Decode E...

Страница 94: ...nlimited Telephone Interconnect Mode Slaved Channel Scan Operator Selectable Channel Scan Operator Selectable System Scan Fixed List System Scan Fixed List Priority Monitor Operator Selectable Priority Monitor Dual Mode Operation Unlimited Private Conversation PC with Call Alert CA Private Conversation List and Call Alert Decode PC Response with CA Decode External Alarm Capability Dynamic Regroupi...

Страница 95: ...ts 15 Systems 10 Subfleets Talkaround 12 Watts Power 30 Watts Power Telephone Interconnect List Unlimited Telephone Interconnect Operator Selectable Channel Scan Operator Selectable System Scan Fixed List System Scan Dual Mode Operation Unlimited Private Conversation PC with Call Alert CA PC Response with CA Decode External Alarm Capability MDC Auto Sel Call Decode MDC Call Alert Decode Control St...

Страница 96: ...82 MECHANICAL EXPLODED VIEW PARTS LIST FOR SPECTRA 900 MHz RADIO ...

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