Storno CQP863 (low quality)
Contents
1. E inii 1 8 sen ALIGNMENT CARD e EE EN EE EE EE 0 uD oD D 5 En2. STOUPU 006161668 pro irm 58 AMPLIFIER UMITER 1 Y OUTPUT ADJUST 28086410 DATED FOR NONIDUAL SCHMITT TRIGGER 06 etar ZE Si ONE sequence catt By eneen 353 y 9 H 1 GR GROUP CALL ON wi DIGIT e os 1 1 GR 4 GROUP CALL ON Sth DIGIT a az 1 1 SHORTED FOR AUTO RECEIPT Ge T Ir SE sen i LE P FOR OPERATION IN DISMANTLED CONDITION ED SPECIAL FACILITIES SEE INSTRUCTION NO 24 52 S 5 1 1 1 wen SH 7 1 EI 15 0295 0 Be w E alls e pr 1 ss 9 gt EE Ed 2 E ot as H 3 nz pe a Las gt a I a ome u mum s lt n a 190 H a 190 m s ow se ER Ls in out m s ome T 3 zoo 200 A wa 200 wn See o e Up 21 5 1 3 A 3 u o 2
3. wn 8 8 2 1417 0242 248 1 042 ies A ma es ml 1 pehes H 1l Sen 2 42 W Le e wa SE 0098 402 BLOCK DIAGRAM 60 356 1 60 356 1 the transmitter oscillators The receiver em ploys an electronic squelch circuit whose threshold can be set with a resistor on the mother board There is a pushbutton for cancelling the squelch on the control head or on the control unit whichever is used The receiver consists of the following modules RC861 Receiver Converter Crystal Oscillator Crystal Filter for 20 25kHz channel separation 16801 IF Converter 16001 1st IP Amplifier 1A802 2nd IF Amplifier and Discriminator Squelch Circuit AA801 AF Amplifier VR801 Voltage Regulator Receiver Converter RC861 The RC861 converts the frequency of the antenna signal to the Ist IF frequency of 21 4 MHz The incoming signal path from the antenna is trough the Antenna Filter FN861 and then via the antenna switching circuit to the input of the RC861 The signal then passes through a two element bandpass filter to a transistor operating as a grounded base ampli fier After
4. 410842 13NVd 02 EE 2 818 2070 50840 LINN 22 i S 08819 LINN TOULNOD 195 TOX opueukp euoudoxonw 980696 fe voten zo zeg 66061 10 wun tonuog mar o viva 3009 oN 3000 ED S088O LINN TOHINOD 50840 LINA TOULNOOD wyo 02 auoydozo 980696 589049 2 869018 5508 29 10 Ionuoo cose or 3009 N 3009 N 051079 19882 LINN 112 Y WHOML3N ONIHOIVW VNN3INV Jot 047 027 198 82 50 19003 5 10 91105 7 A3 3NOL 9 av 7 pou NER 1 011035 wan 895 19880 LINN F
5. Su SOCKETS P SEQUENTIAL TONE UNIT Transmitter Receiver TQ802 TQ8C 0402 0833 0757 LINN INOL TVILNANdDAS LNOAVT molla sensi 5 0 Da 1 3 De 52 i Tes me 7000 wu see 105 ERR 700 7200 100 34 ww amo E SEQUENTIAL TONE UNIT TQ802 TQ803 Transmitter Receiver k as U 095 is 0389 8 2274 is 08510 LINN TVILNANDAIS MTS VER SE 20891 860801 moms is gouen EM 35 P 35 ou 35 d 03879 1570 AS UNLZ 35 998 gan oza aS oze 198 DIN gan 54 999 mio ONL 45 9 EN as UNICO oun 198 mio 48 0 770 ds UNLZ E ds DALT zou Mio ds UNL 198 MLO 45
6. volts Then adjust all channels as described in paragraph 8 NOTE It is not possible to adjust the receiver oscillators by means of the zero beat method when FC804 is active Disconnect the power supply from FC804 and connect a volt meter instead Connect the resistor box 9580470 to ter minal 5 and terminal 6 of Select the smallest resistor which causes the voltage to rise above Veco Solder a resistor R13 which is one step higher to FC804 between terminal 5 and 6 By means of the resistor box select re sistor R14 which causes the voltage to be closest to and solder it to FC804 in parallel with R13 ANTENNA MATCHING ADJUSTMENT ANTENNA NETWORK ADJUSTMENT IN CP808 LOCAL MODE 1 Assemble the radio set with cabinet she and loudspeaker pane in position Screw antenna AN864 or AN865 in position Clip antenna alignment unit TS D37 code 9580555 in remote control multiplug on CP808 4 Raise hinged cover A on control head CP808 and remove rubber gasket thus giving access to the matching network s variable components th 60 333 E2 60 333 2 Storno ADJUSTMENT PROCEDURE Storno 5 Power equipment by means of a battery f ex 80807 and hold in normal opera ting position Key transmitter Adjust 1 for maximum indication 75 037 This completes the antenna network ad 2 OSE justment Replace gasket and snap cover A back into position NOT USED T
7. 38 UNL 098 as s DALT 658 rav ds 3 0389 Unico 158 e is 958 e e is gust ds EY t n is Lal ds ALT 158 Kaf as ES Mo is 0311 er ds su ds en w A is 0389 ES is 158 e is 0820 is s UN 89 0 osy as TOv Ep 35 is Ba ASE mem goz 4810 mio ds UNSI O EM 74 mm mio ds out ASE mun mio ds gan 79 ang go UL 13 Es ASE 1949 oz mi DE 08 00 vo 62 m vo is 0589 wu Sl Q7 meo 5 s 5 0 Ka ASE 0 ASE soz Mino 13 anro 5 moto d ASE IK ASE 3Mzz 0 52 as to 13 UNLZ aen ASE que 305 34410 mio 0890 seu shod 0461 Jut 45 9469 E ASE soz anro 15 35 vo 1 Ienu nb s tosda 20001 Ell ON 3009
8. Se Su oo Os Os ES ADJUSTABLE COMPONENTS Ci Fig 3 MODULE LOCATION 60 333 E2 Storno Adjust the following coils for maximum current drain as seen on the mA meter L1 and L2 in 861 L1 and L2 FD862 L1 L2 in FD863 L1 and L2 BP861 L3 in PA863 Adjust LS and L6 in PA862a PA864 for maxi mum power output 7 SetDCVM switch to ADC Adjust L1 and L2 in FD861 for minimum ADC voltage Adjust L1 and 12 in 862 for minimum ADC voltage Adjust L1 and L2 in FD863 for minimum ADC voltage Adjust L1 and L2 in BP861 for minimum ADC voltage Adjust L3 in PA863 for maximum output Adjust 15 and L6 in PA862a PA864 for maximum output Repeat the adjustment under 6 for mini mum ADC voltage and maximum power out put until no further improvement is ob tainable It may be necessary to detune L1 and L2 in FD862 to an ADC voltage of about 10 V while tuning L3 in PM862 and L1 and L2 FD861 in order to get clear minimum 8 The output power level can be adjusted by connecting a resistor R7 in parallel with R6 see fig 7 8 The value of R7 is chosen from the stan dard resistance series 0 1 W as follows Power Select R7 for Power nominal total current mA W 2148 0 5 220 20 0 0 5 1 0 380 40 0 1 0 3 0 750 50 0 3 0 60 333 E2 ADJUSTMENT PROCEDURE Storno The current adjustment must be made with
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10. L1 high output distortion or L1 12 08 SINAD 7 Sensitivity Check EEGEN RF generator Frequency L2 21 4 MHz zero beat or XO866 L2 oscilloscope RF generator AF Line output 14802 R3 high output AC voltmeter MO mv AF RF generator 300 9 248 10 AF response Volume to high output 1000 0 dB position Ac voltmeter 3000 20 25 kHz 22 48 2500 12 5 kHz 9 2 dB Distortion Check Distortion meter en opens at squelen RF generator we E no signal Sa off Current drain Volume to lt 9 5 20 25 kHz pos 00 MA meter MA 12 5 no signal SQ on lt 100 mA RF Generator 272 Frequency contro RM RIS Voltmeter Veco 20 1 V Power supply 21 2 kHz RF generator 15 Frequency 21 4 MHz zero beat Oscilloscope Power supply 60 333 2 gt 30100 ose wien vo SISSYHO 3700011 SISSVHD 37000 apo ON spe mam men 98400 008 6 T Td zement 4919094 1180 Spouueuo 8 eisem SOSH p 915
11. CB812 Contains loudspeaker microphone transmitter key tone key a Thus a 3 W four channel radiotelephone combined dial light squelch cancel with universal control head and selective cal loudspeaker in out button call ling would be designated indicator and a threaded anten 3 socket The unit 15 used for equipment operating in the For easy identification each equipment has a 146 174 MHz band type plate such as the one pictured below CB831 Contains loudspeaker microphone showing the type and specification transmitter key tone key a combined dial light squelch can cel loudspeaker in out button call indicator and a threaded antenna socket The unit is used for equipment operating in the 68 88 MHz band 60 357 E2 60 357 E2 GENERAL DESCRIPTION AND OPERATING INSTRUCTIONS Storno A comparison of the various models is presen ted in the table below Local controlled equipments are fitted with Type Copa 4 m VHF band 68 88 MHz Channel separation 20 25 kHz 12 5 kHz Number of channels 2 4 8 or 12 Output power 9 109 1 0 W or 1 0 153 0 W Type capers ege 2 m VHF band 146 174 MHz Channel separation 20 25 kHz 11 5 KHz Number of channels 2 8 Bor 12 Output power 0 1 to 1 0 Wor 1 0 to 3 0 W Type CaPs63U CQP864U CQP8s3U copas 0 7 m UHF band 420 470 MHz 370 420 MHz Channel sepa
12. owos TETONA 8608041 20801 LINN SNOL TVILNINDAS 100909 510895 010100002 penb qz0 OW Sta 2605 1508 1508 6105 mus e 55166 620 66 820 yoystsues 1 20010 0401 1105 105 20801 viva 3909 107 808 MS 7702 9 902010 113031 ONV A3M3NOI nwa OS 808NS LINN ONIHOLIMS ETE dui 1108 sow 2 LOI 1505781 in MIO wy uge uxo 001 D I MO 35 wuoy ozz 8106 08 45 wuo 96 8505 708 z z 505 08 HE uuo c 2205 08 35 ESOS 08 As tz ESOS 08 mio 35 708 6 mre wox ozz Lem MIO 45 95 0405708 DI Mio 6 022 8405708 116 35 EE E HE zz 890808 MLO 5 uuo OEE 6405708 ey Mio BS Xxos 08 890808 einen sota so 80 28 0615 66 00 2018180 1 5115 ep
13. 0 AOS ISURAL 86208 66 052566 10 0082 0002 n prn td be 19 05 02 3921 55 ASE ani ASE 02 2670 2 0 02 301870 12 H 5 3005 ON 3009 ON i cuss cancer ts wien mm TE var ca er 1 MATCHING CRCUT cornu tte BH LHE pone 1 wee HE s n on qu 5 28 ma MU cont gon DELL T T RF CHASSIS nore CODE 194700024 ARE MOUNTED IN COP 860 U STATION ONLY ES FOR DEALS SEE ABOVE m CONTROL HEAD CP808 8 TOHINOD 3015430108 BOISHOLIMS a 161852 vue 80840 TOHINOD mama n ANE 0 eww 4461 2 99068 21110011 027 WOMION Suyo ua 1250751 0098459 opora chavs al opora 1 vio sts 966029 on A008 OSEN 4481 2 9808 881 29 006 OS
14. 11 will send the variable telegram Two of the 5 sequent by means of 2 rotary switches placed on the tones can be selected loudspeaker panel MODE OF OPERATION OPERATING INSTRUCTIONS The fixed telegram sent by depressing Tone Key is used to call the base station The variable telegram sent by depressing To ne Key 11 is used to call other portables via the base station which works as a repeater Calling a portable If the portable has a specific calling number 62 for ex Turn the rotary switch X10 on 6 and X1 on 2 Push Tone Key which establishes contact with the base station If the channel is free push Tone Key and wait for an answer from the other portable station Then the transmission can take place FUNCTION Tone Fixed telegram 60 557 E1 When Tone Key is activated a logic 1 will be applied to the latch formed of IC12 and 1616 causing a logic 1 from pin 4 1016 to the gates IC2a pin 2 and IC2b pin 5 In the same time TQ802 3 has also been acti vated from Tone Key and when the coun ter 102 according to the selected digits com bination in TQ802 3 applies a logic 1 via terminal B to the gate IC2b this will go high in this particular sequence and via terminal D activate the chosen ST gate transistor In the same way the gate 2 will activate the next chosen ST gate v a the connections to the TQ802 3 Tone Key 1 Variable telegram The 2 rotary swit
15. 17 dBm Requirement 110 mV 0 1 dB If necessary change resistor value R3 in parallel with R2 1A802 pin 5 6 un til 110 mV is obtained The graph fig 4 indicates the value of the resistor which should be the closest higher standard value CHECKING THE AF FREQUENCY RESPONSE AND DISTORTION 10 Set the signal generator output to approx 100 uv e m f Set LINE OUT LS MICR switch down Turn the volume switch to the 3rd posi tion 1 Read the AF voltage on the ACVM refe rence Set the modulation frequency to 300 Hz 12 5 20 25 AF voltage 9 dB 2 dB rel to 1000 Hz Set the modulation frequency to 3000 Hz 20 25 kHz AF voltage 10 dB 22 dB rel to 1000 Hz Set the modulation frequency to 2500 Hz 12 5 AF voltage 9 22 dB rel to 1000 Hz 60 333 E2 Turn the volume switch to the 4th posi tion 10 Check the total harmonic distortion THD at 1000 Hz Requirement lt 7 ADJUSTMENT AND CHECKING OF THE SQUELCH FUNCTION 12 Set the volume to the 4th position Set the SQ OUT switch up Increase the RF generator output until the signal opens the squelch Requirement 10 to 12 dB SINAD Decrease the value of R4 if SINAD is less than 10 dB Increase the value of R4 SINAD is more than 12 98 CHECKING THE OVERALL RECEIVER CURRENT DRAIN 13 Set the DCVM switch to SUPPLY Set the supply voltage to 11 V Disconnect the signal generato
16. RX gate switch to OFF to disable the receiver oscillator the DC voltage should fall After the check switch the RX gate ON again 5 Sei the signal generator to the receiver frequency Modulate the generator with 1 kHz to a frequency deviation of 0 7 x Af max 23 5 kHz for 25 kHz channel spacing 22 8 kHz for 20 kHz channel spacing 1 75 kHz for 12 5 kHz channel spacing Set SQ OUT switch down Set LINE OUT LS MICR down Set ACVM switch to LS MICR Turn the volume switch to the 2nd posi 1 approx 0 5 V on the no clipping Adjust the 12 dB SINAD generator output to MEASURING RECEIVER OSCILLATOR FREQUENCY ADJUSTMENT Set the generator to the receiver frequen cy using the frequency counter Remove the signal generator modulation and set the output to 100 uV e m f Turn the BFO on Adjust BFO AMPLITUDE to produce a 60 333 2 ADJUSTMENT PROCEDURE Storno As the receiver sensitivity increases du ring the adjustment the signal generator output must be reduced to maintain 12 dB SINAD Adjust L8 in RC861 for best signal to noise ratio at approx 12 dB SINAD Adjust L7 in RC861 for best signal to noise ratio at approx 12 dB SINAD Adjust LS in for best signal to noise ratio at approx 12 dB SINAD This is the ONLY adjustment of LS The following coils are adjusted for best signal to noise ratio in this order L6 RC861 Lu RC861 L3 RC861 L1 80861
17. is activated the microphone is blocked When no longer in use switch the radiotele phone off by turning the volume control com pletely counter clockwise i e the O on the dial is visible ACCESSORIES ANTENNA The following antennas are approved for use with radiotelephones type CQP800U and can be attached to either the control head CP808 IS or the control unit AN834 200 mm Heliflex Antenna 68 88 MHz AN815 500 mm Whip Antenna 68 88 MHz and 146 174 MHz 60 357 E2 AN816 150 mm Heliflex Antenna 146 174 MHz AN864 46 mm Heliflex Antenna 420 470 MHz and 370 420 MHz AN865 155 mm Whip Antenna 420 470 MHz and 370 420 MHz All antennas are fitted with a threaded bolt that fits the antenna socket on the control head and on the control units type CB812 1 08051 or 08861 60 357 E2 Storno BATTERY To power the equipment the following battery types are availabl BU802 808 nickel cadmium NiCd battery 10 8 V 225 mAh BU807 nickel cadmium battery 10 8 V 450 mAh The batteries are encased in a high impact cast plastic cassette with snap action locks automatically securing the battery when slid into place BATTERY CHARGER Available battery chargers 00801 Charging unit with two outlets for BU802 automatic type Charging unit with ten outlets for BU802 automatic type 00804 Charging unit with one outlet A switch selects high or low charg ing current as
18. micro phone signal is applied to an operational amplif ier the degree of negative feedback and thus the amplifier gain can be adjusted by means of an external resistor Microphone sensisitivy can then be adjusted to suit individual requirement In radio sets with built in tone transmitters or sequential tone transmitters the microphone amplifier is disabled by the tone key The amplified AF signal is applied to a limiter 60 396 1 via differentiating network The limiter is wise an operational amplifier utilising negative feedback Following the limiter is an integration network and an active element is another tional amplifier The active filter removes any harmonics of the original input signal that arise during limiting action and it also keeps the fre quency excursions within the tolerances requir ed for the channel spacing used in the particular equipment An extra limiter is inserted between the integration network and the active lowpass filter to prevent strong input signals of low fre quencies from overloading the filter Transmitter Oscillator XO862 The transmitter exciter signal is generated by a crystal Colpitts type oscillator operating on the crystal s fundamental frequency which will be in the range of 52 50 to 58 75 MHz The oscil lator starts when the channel selector completes the circuit path to chassis ground collector circuit is tuned by a variable capacitanc
19. output lt 800 mA 60 333 E2 3 Unplug the oscillator and read the cur rent drain Requirement 75 mA 4 Set the DCVM switch to TX Read the TX stabilized voltage Requirement 7 5 V 0 15 V CRYSTAL OSCILLATOR OUTPUT ADJUSTMENT 5 Setthe DCVM switch to RF PROBE Key the transmitter Connect the RF probe to pin 2 on PM861 and hold the probe s metal housing against chassis Adjust L1 862 XO865 for maximum DC voltage approx 0 8 V Repeat the adjustment on all channels ADJUSTMENT OF FREQUENCY MULTIPLIERS AND POWER AMPLIFIERS Select the channel closest to the center fre quency if more than one Set the tuning slugs in 862 FD861 FD862 FD863 and 8 961 to the approximate position High frequency 5445 MHz outer position Low frequency lt 445 inner position Medium frequency 485 MHz middle posi tion KEY the transmitter i 60 333 2 TRANSMITTER RECEIVER REQUENCY wonusee 108621865 2 CHANNELS 04803 ADJUSTMENT PROCEDURE DOLO OOOO s OO Tx on OTT Gem pm een een 60 333 E2 12 CHANNELS CH806 99 5 TIE TTT TAN i D uD 90 uD KZ 3 ES Se em
20. terminal voltage for 0 6 Modulation Frequency Characteristic relative to 1000Hz 64B octave 0 2 5dB 1 34B 300 3000Hz Sensitivity e m f for 12dB SINAD 0 8 at 25 C Sensitivity CEPT e m f for 2098 S N 0 7hV at 25 C 1 24V Squelch Sensitivity BIA 0 5uV at 25 C Crystal Frequency Range 132 888 MHz to 149 533 MHz Crystal Frequency Calculation MHz Frequency stability Conforms with Authorities Specifications Modulation Pass Band EIA measured at 25 SkHz Adjacent Channel Selectivity EIA measured at 25 C 0508 60 355 2 Modulation n measured with de emphasis 7505 tort EM Hum and Noise CEPT 50dB 404B RECEIVER Adjacent Channel Selectivity CEPT 6008 Spurious Selectivity CEPT 65dB Intermodulation Attenuation CEPT 75dB Blocking 100mV 90mV Spurious Radiation CEPT Less than 2nW AF Output Power 500mW 400mW Measuring condition Vg Ry 250 distortion 10 AF Output Power Ci 250mW 200mW listorsion lt 10 af 0 1 Aan 1 kB 60 355 E2 Storno AF Distortion 28 78 ensured at af D n s00mit 28 C AP Frequency Characteristic CEPT relative to 1000Hz 64B octave 0dB 1 5dB 14B 34B SUPPLY VOLTAGE AN
21. used for measuring instrument connections CONNECTION ON THE REAR PANEL TEST PLUG 34 way connector for the test cable POWER SUPPLY Jacks for power supply 60 333 E2 pF FM signal generator AF generator RF wattmeter Modulation meter Distortion meter Oscilloscope Power supply E 12 resistor box Power supply only CQP864U Frequency counter Trimming tools CURRENT MONI TOR AUDIO MONITOR CONNECTIONS ON RF PROBE AF PROBE DEVM AF ACVM 420 470 MHz Zout 600 ohm 0 20 Preset current limiter 0 1A code 9580470 0 10V 17 0035 10 17 0053 00 17 0012 00 Jacks for current monitor BNC connector for external 25 ohm loudspeaker THE FRONT PANEL Jacks for RF probe Jacks for DC voltmeter connector for AF probe Probe consists of shielded leads to be connected when ever measuring of audio is desired BNC connector for the output of the deviation me ter connector for the AF voltmeter distortion meter and oscilloscope 60 333 E2 Storno MOD INPUT ADJUSTMENT PROCEDURE connector for the AF generator TOGGLE SWITCHES 50 OFF KEY TONE KEY RX GATE TX GATE ON OFF LINE OUT ACVM DEVM AF switch 60 333 E2 Disables the squelch circuit of the receiver loudsp ker continously open Switches the transmitter on the receiver off and con nects the AF generator in put jack to the LS MI
22. 1 O O ANTENNA 126 Zu AN 864 AND AN 865 MATCHING NETWORK Fig 6 ANTENNA MATCHING NETWORK IN CP808 60 333 2 09 60 333 E2 3 D RC861 1 FF ii 603 m 33 8 TP fo 1680 14802 14803413 CT 3 3445 AEE 8 5 ERT MICR GAIN ADJ Bac 8 834444 01533332 PM861 at mas 2 05 588888 FD86 FD862 20863 35 33 uN ii FN861 BP861 2 3 2 5 Pf 864 Fig 8 TERMINAL LAYOUT CQP864U 0103086 60 333 E2 ADJUSTMENT PROCEDURE Fig 7 TERMINAL LAYOUT CQP863U 0403101 7 FC804 ii 2 8 RC 861 x 3 Fr 7 s 804a 41833 10001 14001 8 333 8 815 3 2 ves 845 0 n PA862aor 864 60 333 E2 TRANSMITTER ADJUSTMENT CQP863U CQP864U TEST ADJUST INSTRUMENT READING 1 Supply voltage Power supply Voltmeter nv 2 Current drain MA meter 70 800 mA Current drain without oscillator MA meter Voltmeter nsv 20 158 Oscillator output sit 95 059 maximum or 5 Li L1 12 6 C
23. 2094 meej 1 ed ayeadspno1 10851 10029 Viva 3009 N Viva 3009 N 9992070 SOLVV M 704 IW 3NOHAOYIIN EM HE Be 009 82 2210004 SoLvv 97 503 31 0508 15 0315 420337 8 0966 Subs 3 31 0615 15 0316 810U 4 4 15 0329 8300 15 0327 2600 49 0262 Mie MECHANICAL LAYOUT CP808 SPARE PART NUMBERS 405 0987 47 0616 12 098 47 0627 2 98007 QS HNSSONINGILGG HESS LINA Erasme ona 110 AVI TWOINVHDSIN ame 90880 LINN 10208046 2 060 SOW 15889 17882 T9840 116882 21983 SINO TONLNOO L00AVT TIVOINVHOSIA d 6 0 80791 1084 ee Storno 32 0502 01 Green Storno 32 0502 02 Yellow 32 0502 03 Red 32 0502 08 Blue 20022 03030 3L0502 05 Black 12 0362 48 5030 99 5304 37 0158 KDP 37 0157 36 0273 37 0159 2202 020040 2450 045022 17 504 36 0128 20542 02907 20011202010 20021 03010 19 0118 FOR MN 804 800 U MOBILE INSTALLATION ADAPTER MN 803 4 M405 093 2
24. 5 800U PERSONAL RADIOTELEPHONE CQP863U 420 470MHz Contents Technical Specifications General Description and Operating Instructions Circuit Description Accessories Tone Equipment Adjustment Procedure Diagrams and Parts Lists Mechanical Parts Lists Service Coordination 3 79 2nd Edition CQP860U TECHNICAL SPECIFICATIONS Specifications are based on the measuring methods prescribed publications RS152A GPO specification W6771 and CEPT specifications Figures given in backets are guaranteed values GENERAL Frequency Range 420 470 MHz Channel Separation 20 25 kHz Max Frequency Deviation 4 kHz or 5kHz Modulation Frequency Range 300 3000Hz Bandwidth 2 0 MHz Number of Channels 2 4 8 or 12 channels Antenna Impedance Multiwire connector 500 Temperature Range Operating range 25 C to 55 Functionning range 30 C to 60 C TRANSMITTER RF Power Output Measured at V BU806 BUBOT and 25 C Degradation under extreme conditions according to 18 0 1 LOW 148 3W 1 0 3 0W 188 Crystal Frequency Range 52 5 to 58 75MHz 60 355 E1 Crystal Frequency Calculation Frequency Stability Conforms with the Authorities specification Spurious Radiation Loss than 0 2 p W Side Band Noise 15dB 80 355 81 Storno Tone Input Modulation Sensitivity
25. 5042 F08H2 9185840 08H2 peau 10 40 8084 Vz peaq 1015440 mo OSHA u t nbs 910805 49AI999N 19894 41 1082 41 41 108 VI 5155840 2HXS2 02 oletn3aa 269201 0692 ot 0 6892 701 sexu 408 aut dt 07 44018 44019 um492 402 44011 EE MoT osos H ol on dest or B VIVO 3009 N VIVO 3009 wos owog CH 8010 PIN LOCATION CQP860U 0402 474 WIRING DIAGRAM CQP860U 0402 4703 CHANNELS 112 CHANNELS WIRING DIAGRAM CH803 CH804 CH805 CH806 0402 070 2 TONE EQUIPMENT WIRING DIAGRAM CQP800U KKK TONE EQUIPMENT WIRING CQP800U 04025613
26. CR switch Transmitter key for radio sets with tone transmitter Switches the receiver s 7 5 V on off Switches the transmitter s 7 5 V on off 21 4 MHz crystal controlled BFO on off Switches the AC voltmeter between the LINE OUT and LS MICR Switches the AC voltmeter between the LINE OUT LS MICR switch and DEVM AF AF PROBE switch Switches the AC voltmeter input between the deviation meter and the AF probe SELECTORS AND CONTROLS DCVM Switch AMPLITUDE 1 SUPPLY voltage 2 RX 7 5 V stabilized RX voltag 3 RC receiver conver ter test point 4 TX 7 5 V stabilized TX voltage 5 ADC voltage 6 RF PROBE BFO output attenuator LIST OF TEST POINTS Test Point 1 10 12 13 14 15 16 BOTTOM VIEW Fig 1 TEST POINT LOCATION Function 47 5 TX stabilized 7 5 V RX regulator gate DC ground connected to point 15 ADC voltage Audio output microphone input Tone Key 57 5 V TX regualtor gate Vg battery voltage measured after the fuse 11 V battery 7 5 RX stabilized Squelch disable Receiver converter test point 21 4 MHz signal input DC ground connected to point 3 Discriminator and receiver line output 60 333 2 ADJUSTMENT PROCEDURE 18060701 135 1531 0008 3004000075 um 77 Fig 2 TEST SET UP 60 333 2 60 333 2 ADJUST
27. D CURRENT DRAIN Nominal Supply Voltage uv Supply Voltage Range 9 9 to 13 5V Transmitter Current Drain less tone equipment at nominal supply 380mA 420mA T50mA 800mA 80 355 E2 Receiver Current D less tone equipment at nominal supply Standby 8 5mA 9 5mA Receive AF output 26011 65mA 80mA 80 355 2 GENERAL DESCRIPTION AND OPERATING INSTRUCTIONS STORNOPHONE 800U The STORNOPHONE 8000 portable radiotele phone is a universal combination transmitter and receiver for FM radio communication ser vice on fixed tal controlled frequencies The CQP800U may be either local controlled or remote controlled and can be fitted with 2 4 8 or 12 channels plus optional tone signalling equipment according to individual customer requirements 60 357 E2 complete radiotelephone unit consists of four sections beginning from the bottom these are 1 the battery 2 the transmitter and receiver modules 3 the tone equipment 4 the control head 60 357 2 Storno LOCAL CONTROL 06851 Local controlled sets have all of their ope rating controls as well as the speaker mi and the antenna connector placed in the control head itself and is fastened to the top of the radiotelephone 08801 REMOTE CONTROL On remote controlled radios a control unit containing the transmitter key tone key and loudspeaker squelch buttons the spea ker micropho
28. EN 4481 2 9808784 19 ZHW88 89 Zonen suu yuy 6060 61 088dbD neau A0 0968 00121 4481 2 9906782 19 EHNWPLI 9PT euuojuy 180 ST A89 08 02 AdOL TIES PL A 9 408402 4401 IES PL 810 AS9 08 02 4402 IES bL 4 812018 oxeadspnoT 1505716 ST vusz ast duet ta 11 08 GEES 66 ons Aimed 029008 ons 10 oros a 91 19 TSE ARI 91001 90 8 05 81 50 Ge El MOT T su udo068 va 1 46 WYONG z 6 v A89 Uedao 08 0Z dd02 9 uwaa 02 4427 5 15 GE 80849 viva 3000 N viva 3009 4725070 ONINIM XX0842 51 11 80842 SI MZ 0 80840 90842 OV3H 2 3aisH2LIMS 5180843 NI MNO AZ IWNINY31 NO XLZ 98 TILON ANO 0098402 NI yz000Ly6LON 3000 INVA 612121 1 3015430105
29. L2 80801 L1 RC861 L3 RC861 L RC861 Readjust L7 in RC861 for best signal to noise ratio Adjust L6 in RC861 for best signal to noise ratio Adjust L9 RC861 for maximum DC vol tage 2 3 V Set the signal generator output to approx 100 e m f Adjust L8 in RC861 and L1 in XF803 XF804a for minimum distortion FREQUENCY clear beat tone Set ACVM switch to LINE OUT Adjust L2 in 811 0866 for zero beat as seen on the oscilloscope If more than one channel is provided the adjustment should be repeated on all chan nels When adjustments are completed turn the BFO OFF 60 333 2 Storno ADJUSTMENT PROCEDURE Storno RECEIVER SENSITIVITY MEASUREMENT EIA Electronic Industrie s Assoc dard definition The SINAD sensitivity of a re minimum input signal that will provide at least 508 of the receiver s rated audio output power with 12 dB signal noise distortion distortion METHOD OF MEASUREMENT The purpose of the measurement is to define the ratio of one condition to another The first condition is the one where a modu lated RF signal drives the receiver into full limiting The audio output is measured the distortion meter in the CAL position and disregarding the amplitude of the audio this is adjusted to read 100 on the meter le this is our reference condition consisting of signal noise distortion where signal the low est possible amount a
30. MENT PROCEDURE TEST SET UP AND LOCATION OF COMPONENTS The Control Unit C35 the Test Cable 51801 and Adaptor 1803 is connected to the CQP800 U under test For CQP800U models is used a adaptor 51805 for connecting various instruments to the multiwire socket This 51805 adaptor switches the CQP800U to remote mode when plugged into the socket An external loudspeaker for monitoring the receiver signal is connected to the AUDIO MONITOR output on the rear The microswitch on the 51805 is the LS in out Sq cancel button For CQP800 models adaptor 41 0201 provide BNC connection for the measuring instru ments TRANSMITTER ADJUSTMENTS For location of components see fig 3 and fig 7 8 Before starting adjustment of the transmitter check the resistor R6 located between pin 4 and 6 of AD801 approx 6 8 Kohm for 0 1 to 0 5 W output power approx 4 7 Kohm for 1 W output power approx 2 7 Kohm for 3 W output power A second resistor R7 is paralleled with R6 for fine adjustment of the output power CHECKING SUPPLY VOLTAGE AND CURRENT DRAIN 1 Select the channel closest to the center frequency if more than one Set the DCVM switch to SUPPLY Connect a wattmeter to the multiconnector socket via adaptor 51805 Adjust the power supply to 11 V Set the current limiter to 1 A 2 KEY the transmitter Read the current drain on the mA meter Current drain without output approx 70 Current drain with
31. amplification the signal passes trough lement UHF filter This filter is what mainly determines the r f selectivity of the converter The signal is taken off at a 50 ohm tap and fed to the mixer via LT a transformer that serv an adjustment for achieving optimal sensitivity gain The local oscillator signal from the XO module s after passing through lowpass filter proceeds to a frequency tripler The fil ter allows only the oscillator signal to reach the tripler The signal from the tripler output is three then applied to the gate of the mixer transistor which is a field effect transistor operating in the grounded source configuration The IF signal is taken off via a combination autotransformer L network to match the imped ance of the following crystal filter 80 356 1 4 Oscillator 811 The local oscillator signal of 124 to 153 MHz is generated in the Hartley type crystal tor where the transistor operates as grounded base amplifier The oscillator starts when the channel selector switch completes the emitter circuit path to chassis ground The collector circuit is tuned by a variable capacitance diode which also detunes the resonant circuit when ever the channel switch breaks the ground connection Thus several oscillators can be tied in parallel without mutual loading effects The output signal is capacitively taken off the tank circuit The local oscillator signa
32. ation is locally on the radiotelephone by using its built in controls When using MN804 the operation is by means of an external microphone MC704 external switches 50809 and loudspeaker 15801 The electrical connections between the adaptor and the CQP300 U is by means of a multiwire cable connecting to the socket on the CaPsoo U The simplified diagram shows the elements necessary to charge the battery through the multiwire cable and at the same time pass the RF and AF signals MODE OF OPERATION Charging Circuit The DC converter has floating input potential in order to operate with both positive and negative chassis installations It opera tes as a blocking oscillator and consists of transformer T1 and transistor Q2 which has a high current amplification factor when saturated The oscillator configuration has a constant current charateristic which together with resistors R11 R16 R17 and R18 produce 55 mA of charging current for the BU 800 battery 60 394 1 Transistor Q1 and the resistors R1 R2 and R3 compensate input voltage fluctuations and diode E1 together with an externally mounted fuse protects the unit against incorrect supply voltage polarity The network E2 R9 R10 and C5 protects Q2 from transient spikes Zener diode E7 ensures that the output voltage does not exceed the maximum allowable input voltage to CQP800 if the battery is removed during operation Temperatu
33. ches have to be set to the requested figures in the variable telegram When Tone Key is activated a logic 1 will be applied to the latch formed of IC1a and causing a logic 1 from pin 3 ICla to the gates IC2c pin 9 and IC2d pin 12 60 557 Storno CONTROL PANEL WITH TONE SWITCHING CP8017 Storno S TORNO Fig CQP800U RS Fig 2 Control Panel CP8017 60 557 E1 225 Storno CONTROL PANEL WITH TONE SWITCHING CP8017 Storno These 2 gates will be activated sequentially When IC2c and 2 in turn goes high they when they receive a logic 1 on pin 8 or 13 will activate the ST gate transistors 01 and from the ST counter IC2 in TQ802 3 in the Q2 on the CP8017 and thereby in turn make same manner as described under Tone Key connections for the rotary switches X10 and for the gates IC2a and IC2b X1 which are wired to L1 in TQ802 3 CODING AND STRAPPING Coding and strapping instructions for 802 3 3 Summary will be unchanged for the fixed telegram trans mitted by Tone Key When coding and strapping the following decisions must be made 1 Which digits will be the variable ones to be dialled on X10 and X1 2 frequencies of the fixed tones NUMBER COMBINATIONS To allow the greatest number of combi nations strap CP8017 as follows Cut the PWB just outside the soldering terminal 3 at the printed switches X10 and X1 and stra
34. chieved from that parti cular receiver when receiving a strong rier and distortion is the modulation being lightly distorted in passing through the re the modulation of the RF noise The second condition is the one where the signal modulation is removed with a notch filter and the RF signal is lowered in ampli tude until the remaining noise and distortion 8 to 12 dB below the first condition as read on the distortion meter scale This iner corresponds to a reading of 25 being 12 dB below 100 which was our reference condition 100 6 50 50 6 dB 25 practice our first condition is achieved by feeding a minimum of 1000 uV of RF signal modulated with 1000 Hz at 0 7 x Af max to the receiver The audio output which must be at least 508 of the receiver s audio rating is measured with the distortion meter in sition CAL and adjusted with potentiometer ADJ FSD to a reading of 100 The notch filter is then inserted in series with the audio by pres tons marked The meter needle immedia tely drops to indicate a low value this being iherent audio distortion 19 one of the but the receiver s By backing off the attenuator of the RF ge thereby lowering the RF input to the receiver the noise will eventually increase the attenuator being adjusted for a reading on the distortion meter scale of 25 At this stage it must be ensured that t
35. cies under kHz Higher frequencies be come amplified then detected and whenever the signal to noise ratio is objectionable the detected noise signal will be sufficient to turn off the audio amplifier With an acceptable signal strength at the antenna the noise con tent will be too low to trigger the squelch and the positive collector supply will be available to the audio amplifier s gating antenna sigr signals contain greater terminal allowing it to operate normally An external resistor sets the squelch to open the path for a signal to noise ratio of gt 12 dB SINAD A pushbutton the control head control unit allows manual cancelling of the squelch function Power Supply and Voltage Regulator VR801 Because of variations in the battery voltage the battery discharges two VR801 type Voltage Regulators transmitter employed to supply many of the and receiver circuits in the CQP800 with a constant 7 5V potential are short circuit protected The regulators 80 58 61 MICROPHONE MC704 GENERAL Microphone MC704 is designed for mobile operation with radiotelephores of series 630 and 700 It consists of am plifier type AA705 and a microphone cartridge in a plastic housing a cable for connecting to the radio unit and mounting bracket Amplifier 705 The microphone amplifier serves as band pass filter for the 20010 frequency band 300 Hz 3000 Hz and amplifies the signals
36. desired sound level using the background noise for sound Set the channel selector to the channel to be used and release the squelch cancelling button Any traffic on that channel will now be heard from the loudspeaker RECEIVING WITH SELECTIVE CALLING Adjusting the sound level is done as in the sets without tone equipment except that i necessary to press the SQ LS button momen tarily to switch on the loudspeaker before opening the squelch circuit After the setting of the volume control again press the SQ LS button momentarily to switch off the loudspeaker TRANSMITTING WITHOUT SELECTIVE CALLING When the channel is clear simply press the transmitter key button and speak with a GENERAL DESCRIPTION AND OPERATING INSTRUCTIONS Storno mal voice into the loudspeaker which functions as a microphone when transmitting TRANSMITTING WITH SELECTIVE TONE RECEIVER To initiate a call turn on the loudspeaker with the LS IN OUT button do not transmit until the channel is free Press the transmitter key and speak into the loudspeaker microphone To return to stand by turn off the loudspea ker again with the LS IN OUT button TRANSMITTING WITH SELECTIVE TONE TRANSMITTER Turn on the loudspeaker with the LS IN OUT button do not transmit until the channel is free Press the tone key button When the connection is made use the ordinary trans ter key button when transmitting when the tone key
37. e diode which also detunes the resonant circuit when ever the channel switch breaks the ground con nection Thus several oscillators can be tied in parallel without mutual loading effects The out put signal is capacitively taken off the tank cuit The maximum number of channels is 12 with all oscillators placed in an oscillator panel Phase Modulator PM861 The Phase Modulator consists of an input and an output buffer plus a phase modulator stage The exciter signal from the oscillator is fed to the input buffer stage This amplifier with fol 356 1 Storno lowing x network ensures a constant sine wave signal to the phase modulator The modulator is a transistor amplifier stage where the modulating audio signal is applied to the emitter which is RF decoupled The modulation signal varies the transconductance g of the amplifier and thus the phase angle p of the RF signal at its out put To function properly the modulator must work into a constant load and is therefore fol lowed by a buffer stage whose output signal is sufficient in amplitude to drive the following stage a frequency doubler Multiplier Chain FD861 FD862 FD863 The multiplier chain consists of three very similar frequency doubler stages Each frequency doubler operates as grounded emitter transistor ampli fier followed by two inductively coupled LC cir cuits that are tuned to the second harmonic of the input frequ
38. ency Band Pass Filter BP861 ensure suppression of the undesired harmon ics that arise in the frequency multiplying pro cess the multiplier chain is terminated by a double tuned band pass filter the BP861 Power Amplifier PA861 and PA862a PA864 The output power from the Multiplier chain approx 15 mW is amplified the required antenna power 0 1 to 1 0 W or 1 0 to 3 0 W in three stage amplifier composed of the PAB63a 1W or PA864 38 modules contains two amplifier stages The tor voltage to the first transistor is supplied via the ADC Circuit and is variable If more gain is required to drive the following PA862a PA894 the collector supply ADC voltage will r se On the other hand if the drive signal is more than enough the ADC voltage will drop PA862a PA864 contains the transmitter Final amplifier plus a circuit for electronically switcl the antenna between the transmitter and the receiver Collector current for the second transistor in PA863 passes through the switching diodes be virtual short circuits This connects the Power Amplifier output to the antenna while short circuiting the receiver input When receiving the diodes become reverse biased effectively isolating the transmitter from the antenna while connecting the antenna to the receiver input whereby they can be considered to ADC Circuit AD801 The transmitter output current is kept ve
39. from the microphone to a suitable level The amflifier consists of three transi stors 01 02 and Q3 all DC coupled The gain is determined by the feed back cuit R1 R2 R11 and C9 and with poten tiometer R1 the gain can be adjusted to a suitable microphone sen RC circuit C2 C3 R4 R6 and R3 form in association with the feedback amplifier an active highpassfilter which attenuates all frequencies below 300 Hz 60 395 E1 Resistor R11 and capacitor C9 in the feedback loop cut off frequencies above 3 kHz and C7 stabilises the closed loop gain number of capacitors C4 C5 C6 C8 C10 and resistor RS serves to filter and by pass RF Specifications Supply Voltage 9 24 V Current Consumption IMA 2mA 32mA SMA 24V 600 ohm Output Level Nominal 17 dBm Maximum 3 dBm Distortion at 3 dBm_ Less than 34 Maximum 58 48 4 Minimum 3948 4 dB 60 395 E1 VEHICLE ADAPTOR MN803 AND MN804 The vehicle adaptors MN803 and MN80 are design ed to hold a STORNOPHONE 800 U radiotelephone when used in a mobile installation Both adaptors also contain a facility for the BU800 battery to be trickle charged from the vehicles storage battery and a connection for a mobile antenna Futhermore an optional with a built in 2 watt AF amplifier type 15801 may be connected to the units external loudspeaker Operating the CQP800U with an MN803 install
40. he in creased noise and the signal with the notch filter switched out while checking still equals 100 on the meter scale The RF generator s calibrated attenuator now shows the value of RF signal required to a chieve a 12 dB ratio between signal noise distortion and noise distortion i e 12 dB SINAD sensitivity MEASURING RECEIVER SENSITIVITY must be minimum 1 0 uV emf Typical value 0 7 uV e m f Changing the supply voltage from 9 6 V to 13 5 V should not influence on the sen 60 333 2 sitivity obtained at 11 V If more than one channel is provided the sensitivity check should be repeated on all channels 60 333 E2 Storno ADJUSTMENT PROCEDURE Storno 350 LINE VOLTAGE WITHOUT R3 Fig 4 ADJUSTMENT OF RESISTOR R 3 R16 68 56 47 39 33 27 22 Fig 5 ADJUSTMENT RESISTOR R16 15 l 040 vous 60 333 2 60 333 2 2 2 4 5 6 ADJUSTMENT PROCEDURE MEASURING AND SETTING RECEIVER AUDIO LEVEL CHECKING RECEIVER AUDIO LINE OUTPUT Modulate the signal generator with 1 kHz and 0 7 x Af max 23 5 kHz for 25 kHz channel spacing 22 8 kHz for 20 kHz channel spacing 21 75 kHz for 12 5 kHz channel spacing Set the signal generator output to 100 uV emf Switch the ACVM to LINE OUT Read the AF Line voltage
41. hough remains in function strap D M When the 51805 is plugged into the CQP800 s control unit socket the following is obtained the CQP800U receiver is supplied from the TS C35 via strap C 8 a 50 ohm interface via a BNC connector a switch for LS in out Squelch on off SR ses DE w out crasas nor oureur Hos ts m our ni souetcn ts wiem au ar 277 60 397 2 60 397 2 ADJUSTMENT PROCEDURE CQP863 CQP864U re quired for tracing faults in and making ad The following measuring instrument justments to the transmitter receiver circuits Control unit C35 Code 9580363 including Test cable 51801 Code 1980027 Test cable adaptor 51803 Code 41 0206 Measuring adaptor 51805 Code 41 0221 01 Loudspeaker 25 ohm Code 97 5039 Antenna alignment unit TS D37 Code 9580555 RF test probe Code 95 0059 DC ampere meter 10 mA 100 mA 1 DC voltmeter Zin gt 0 5 Mohm AC voltmeter Zin gt 50 OPERATING CONTROL UNIT C35 The control unit and test cable C35 are desig ned for testing and adjusting STORNOPHONE 800 8004 The instruments connect to the unit and remain connected during the proce dure The front panel of the unit is divided into three parts 1 TEST CONTROLS are used to control the radio circuits 2 The is 21 4 MHz crystal controlled oscillator 3 The INSTRUMENT TERMINAL is
42. in RC861 to the outer position Set the slug in L7 18 L9 and L10 to the middle position 333 E2 CRYSTAL OSCILLATOR OUTPUT ADJUSTMENT Procedure for X081 Crystal oscillator XO811 is factory adjust ed for maximum output into 50 ohm and output coil L1 is normally not to be touch ed If the oscillator has been detuned discon nect coaxial cable from XO811 to RC861 at RC861 terminal 9 and terminate it with a 47 ohm resistor Set the DCVM switch to RF PROBE Tune L1 XO811 to maximum output as measur ed with the RF probe connected across the 47 ohm resistor Procedure for 56 Crystal os factory adjust ed for maximum output into 50 ohm and output coil L1 is normally not to be touch ed If the oscillator has been detuned discon nect FC804 terminal 2 from RC861 ter minal 7 and terminate FC804 with 47 ohm resistor Set the DCVM switch to RF PROBE Tune L1 in XO866 to maximum output as measured with the RF probe connected across the 47 ohm resistor 60 333 E2 Storno For both Repeat the adjustment on all channels Set the DCVM switch to RC NOTE The helix circuits are sensitive to the adjustment tool Remove the 1001 before measuring the result of turning slugs Set the channel selector to the channel closest to the center frequency if more than Adjust L10 in RC861 for maximum DC voltage Adjust L9 in RC861 for maximum DC voltage Adjust L7 in RC861 for maximum DC voltage Set the
43. its 1 and 3 variable V 6 C 21 limitations EDS must not be selected equal to A V must not be selected equal to B Strapping Cut at X1 terminal corresponding to fixed tone A and strap to repeat tone R or Y COMBINATIONS OF THE VARIABLE DIGITS IN TQ802 3 Individual combinations of the variable digits in TQ802 3 are possible even though digits 3 and 5 are the most common For establishing the connection of the variab le digits see fig 5 and fig 6 Terminals BD represent the decade units and terminals AC represent the units in the variable part of the call number 60 557 E1 CONTROL PANEL WITH TONE SWITCHING CP8017 If for example digits 2 and 4 in a 5 tone quential call number are chosen to be the va riable ones connections of the terminals B C D must be done in the following way Digits 2 decade units Cut the PWB outside 2 82 fig 6 Connect terminal B to the soldering terminal 2 82 and terminal D to the soldering ter minal 2 02 Digits units Cut the PWB outside fig 6 Connect terminal A to the soldering terminal AH B4 and terminal C to the soldering termi Cu Da Coding and strapping of the SR part of TQ802 3 will be unchanged and the remai ning tones in the variable telegram will be the same as in the fixed telegram This completes the establishing of the two variable digits Other combinations may be done in a simila
44. l frequency lies 21 4 MHz under the antenna frequency and the formula for calculating the crystal frequen ey is therefore lo 21 4 MHz 3 crystal frequency antenna frequency where fy and fy Crystal Filter XF803 The Crystal Filter unit comprises an eight pole monolithic crystal filter and an impedance matching transformer for matching the output to the impedance of the following IF converter Practically all of the receiver selectivity is achieved in the crystal filter XF803 is employed in equipment with 20 25 kHz channel spacin IF Converter IC801 The first IF frequency 21 MHz is converted to the second IF frequency 103 5kHz in thi module which contains an amplifie a mixer and an oscillator The output signal is taken off from a center tap on the coil in the mixer transistor s collector circuit and applied to an intermediate frequency amplifier 1A801 60 356 EL IF Amplifier and Discriminator 01 and IA802 The first Intermediate Frequency Amplifier 1A801 consists of two differential amplifiers in cascade The output signal is applied to the second Intermediate Frequency Amplifier 14802 which contains a 103 5 kHz bandpass filter a quadrature detector a lowpass filter and an audio frequency amplifier The IF amplifier detector and AF amplifier are all included in one integrated circuit The balanced quadrature detector has excellent suppression a
45. nd contains only one tuned circuit Inserted between the detector and the AF amplifier is an active lowpass filter which removes any superimposed IF signal The detector bandwidth and the audio amplifier output voltage can be regulated by means of two external re sistors on the mother board AF output at 100012 110 mV The audio frequency signal from 14802 is fed to the 801 AF Amplifier where it becomes amplified to the desired audio power level First the signal passes through an active high pass filter that rejects any low frequencies noise Next comes an integrated circuit containing two separate amplifiers which make up the preamplifier and output stage The volume control is inserted between these two amplifiers The Preamplifier also operates as an active lowpass filter suppressing frequencies above 3000 Hz and the output amplifier gives the required receiver de emphasis integration 60 556 Storno The Squelch Circuit can block the AF signal path by grounding the squelch terminal 5 When the squelch output goes positive again the audio amplifier will operate normally Squelch Circuit SQ801a The receiver Squelch Circuit operates automat ically according to the noise content of the Wes noise than acceptable signal levels The output AF signal from 1A802 is also present at the put to 808018 where it must first pass through an active highpass filter that suppresses fre quen
46. ne and an earphone socket is connected to the set by means of a cable Connecting the control unit automatically ope rates a switch which transfers the functions of the control head to the control unit Control units with the following functions are GENERAL DESCRIPTION AND OPERATING INSTRUCTIONS Storno Contains loudspeaker microphone transmitter key tone key a combined dial light squelch can cel loudspeaker in out button call indicator and a threaded antenna socket The unit is used for equipment operating in the 370 420 MHz band Contains loudspeaker microphon transmitter key tone key 1 a combined dial dight squelch can cel loudspeaker in out button call indicator and a threaded antenna socket The unit is used for equipment operating in the 420 470 MHz band The length of a particular equipment will depend upon the number of channels and whether it includes tone equipment or not available Type specification is as follows CB804 Contains loudspeaker microphone Specification code transmitter key and a combined 0 1 1 0 W RF output power 1 dial light squelch cancelling but 1 0 3 0 W RF output power 3 ton Universal control head CP808 l CB805 Contains loudspeaker microphone 2 channels x2 transmitter key tone key a 4 channels combined dial light squelch can 8 channels xs cel loudspeaker in out button 12 channels x12 call indicator and earphone socket Tone equipment
47. p soldering points 3 to soldering point for repeat tone R or Y see fig 3 R repeat tone in 20 25 kHz channel equipment Y repeat tone in 12 5 kHz channel spacing equipment 2 Strap CP8017 as follows Cut the PWB just outside the soldering terminal 2 at the printed switch X10 and outside the soldering terminal 4 at X1 and strap 2 and 4 to soldering for re peat tone R or Y see fig 4 60 557 E1 If the fixed code is represented by Band C AAA f A B C and CP8017 is strapped as above all combinations will be permis sible IF A B C CP8017 strapped there are 21 limitations 7 V must not be selected equal to V must not be selected equal to C Digits 3 and 5 variable Vi lt timitations V must not be selected equal to Strapping Cut at X10 terminal corresponding to fixed to ne B cut at X1 terminal corresponding to fix ed tone C and strap both to repeat tone R or V1 Vy 10 limitations V must not be selected equal to V Strapping Cut at X10 terminal corresponding to fixed tone C and strap to repeat tone R or Y 60 557 E1 4108 43 9NIddvHIS ONY 96 110843 90 44 015 ONY 2 E d 01x 180 6070 u OLX IX 850 coro why HO 2801 00015 102 Storno Dig
48. r Read the current drain on the mA meter Requirement 9 5 current drai of tone equipment 20 25 kHz 11 mA current drain of tone equipment 12 5 kHz Set the SQ OUT switch down Set the volume switch to the 4th position Read the current drain on the mA Requirement 100 mA 60 333 2 Storno ADJUSTMENT PROCEDURE Storno ADJUSTMENT AND CHECKING THE 4 only for 12 5 kHz channel spacing 14 Adjust the receiving frequency 1 2 kHz one of the channels RF level 1 mV emt Apply 7 1 V to terminal 8 of FC 04 lator XO866 to signal genera tor frequency by means of zero beat with 21 4 MHz Then adjust the signal generator frequen to receiving frequency 1 2 kHz Lower the voltage at terminal 8 until the oscillator frequency produces zero beat with 21 4 MHz This voltage is V min Resistor R16 can then be determined Adjust os Select the closest standard value and sol der it to FC804 between terminal 7 and terminal 8 Adjust the signal generator frequency to the receiving frequency Adjust the voltage at terminal 8 of 0804 for zero beat with 21 4 MHz If it is not possible to select a resistance value for R14 so that the voltage is 20 1 V it is necessary to use one more resistor R15 in parallel with the other FINAL ADJUSTMENT OF OSCILLATOR FREQUENCY 15 Connect the power supply 0 10 V to terminal 8 of FC804 and apply
49. r way 60 557 1 Storno CONTROL PANEL WITH TONE SWITCHING CP8017 10842 44 5 9N1000 Fig 5 6120801 19 110 3NOL OL 00 2770 0 140843 OL GEN 600001 40 188 00 6620 08 208 01 60 557 E1 60 557 E1 Storno CONTROL PANEL WITH TONE SWITCHING CP8017 Storno E 1 60 2022 1 a 3 WIRING DIAGRAM CP8017 0403 055 60 557 E1 7 60 557 E1 CQP860U CIRCUIT DESCRIPTION Transmitter Circuit see block diagram transmitter is built up of several modules each of which is completely enclosed shielded and has connector pins protruding from the bot tom of the module All the modules are then mounted onto a mother board The transmitter section consists of the following modules X0862 Crystal Oscillator A802 Modulation Amplifier FN803 Modulation Filter for 20 25 kHz channel separation PMB61 Phase Modulator FD861 18 Frequency Doubler FD862 _ 2nd Frequency Doubler BP881 Pass filter PA863 1st Power Amplifier and Antenna Switch PA864 204 Power Amplifier and Antenna Switch FN861 Antenna Filter Circuit VR801 Voltage Regulator Modulation Amplifier AA802 and FN803 modulation amplifier function is carried out by the Modulation Amplifier A802 in conjunc tion with a Modulation Filter FN803 The
50. ration 20 25 kHz 12 5 kHz 20 25 kHz 12 5 kHz Number of channels 2 4 Bor 12 2 4 Bor 12 Output power 0 1to 1 Wor1to3 W DG Type Mama RX 136 146 MHz TX 105 108 MHz Channel separation 12 5 kHz Number of channels 2 4 12 Output power OPERATING INSTRUCTIONS 5 dial type knob for volume control and CP808 control heads which interconnect with on off switch the various transmitter and receiver modules 6 12 position dial type channel knob channel switch and tone equipment where 7 call indicator applicable via an internal wiring harness 8 hinged lid for access to the antenna ning circuit The following functions are incorporated in 9 socket for remote control unit the CP803 10 socket cover 2 3 60 push button for keying the transmitter push button for tone keying tone 1 push button for tone keying tone push button for squelch cancel in out 357 2 ing LS 11 threaded antenna base Before switching the set on ensure that the antenna and battery are properly connected 60 357 E2 Storno RECEIVING WITHOUT SELECTIVE CALLING Turn the radiotelephone on by turning the volume contro clockwise If no signal can be heard the volume control can be set by pressing the squelch cancelling button while adjusting the volume control for the
51. re Characteristics For battery protection reasons the charging current must be reduced at high or low ambient temperatures The decreasing regulation when cold is performed by a PTC resistor and when hot by the NTC re outside the working range the PTC and NTC R12 At temperatures resistances decrease respectively and the base current of transistor Q3 is reduced and this brings it out of the saturated condition The consequences are an increased Q3 emitter voltage and an increased voltage across the zener diode which begins to conduct and gradually takes over the constant current from the DC converter The net effect is the charging current being decreased Charging Indicator In series with the charging circuit a light emitting diode LED E6 is inserted to indicate the charging current flow In systems using selective calling a green LED call indicator E8 is mounted on the front of the MN803 MN804 and it will be controlled by the tone receiver 60 394 1 1 ws HA AA aion O4 600 x 2 8 2804 30 21 3025 03111896 5 E m T OC sopo gt ST eg Fm eE 5 tl mum 60806 o1 60 394 E1 S
52. ry nearly constant by means of the ADC Circuit The voltage drop across a small resistor the output transistor s collector return is monitored by the ADC stage which then regulates the collector voltage to the first transistor amplifier in the PA863 stage with the net effect of cancelling any variations and thus keeping the RF output at a constant value The amount of current through the output stage and thus the output power can be set by means of a resistor mounted on the mother board Antenna Filter 1 A nine pole lowpas filter having a cutoff frequency of 470 MHz is inserted between the transmitter output and the antenna The filter suppresses any harmonics created in PA862 PAB64 21 4MHz band stop filter at the FN861 input prevents any signals close to the intermediate frequency from reaching the receiver circuits Receiver Circuit see block diagram The receiver is a double conversion superhetero using intermediate frequencies of 21 4MHz and 103 5 kHz Channel selectivity is achieved by means of a crystal filter in the first IF cir cuit The radiotelephone can be fitted with up to 12 channels one oscillator per channel the oscillators are arranged in parallel on a special oscillator panel which also contains 60 356 E1
53. the power stages fine tuned for maximum output Check the output power on all channels 9 Read the ADC voltage Requirement lt 10 V Typical ADC voltage at 1 W 5 V APPENDIX FOR CQP864U PA863 and PA862a PAB64 are principally broad band tuned power amplifier stages However to increase efficiency in certain parts of the frequency band coils 13 LS and L6 are pro vided with tuning slugs These should be adjusted for optimum power output where im provement can be achieved In many cases the minimum or maximum position will be found to be opt Depending on working frequency PA863 will be furnished with either a conductive tuning slug 65 0026 00 or a ferrite tuning core 65 0025 00 TRANSMITTER FREQUENCY ADJUSTMENT 10 Connect a frequency counter through attenuator to the antenna connector Key the transmitter Adjust L2 in 0862 0865 to the chan frequency Repeat the adjustment on all channels Requirement at 25 C 30 5 x 1076 20 25 kHz channels spacing 30 2 107 12 5 kHz channel spacing CHECKING AND ADJUSTMENT OF MODULATOR 11 Connect the deviation meter through an attenuator to the antenna connector Set the DEVM AF AF PROBE switch to DEVM AF 60 333 E2 12 Storno Set the ACVM switch to DEVM AF Short circuit resistor combination R10 R11 see fig 7 8 KEY the transmitter Set the AF generator to 1000 Hz and ad just the output level for appro
54. to charge the ferent battery tupes 00005 Charging unit with six outlets and built in timer for all types of b teries The battery chargers can be operated from either a 110 V or a 220 V AC mains EARPHONE In conjunction with control unit 805 an earphone 801 is available for use in areas where high background noise is encountered The earphone is supplied complete with cable connector and ear hanger Plugging in the earphone does not disconnect the built in speaker The lower positions of the volume control are intended as settings for earphone reception 60 357 E2 GENERAL DESCRIPTION AND OPERATING INSTRUCTIONS TONE EQUIPMENT The radio set can be fitted with tone equip ment which is contained in a separate panel placed between the control head and the trans mitter receiver circuitry Incorporating tone equipment into an existing radio set increa ses the total length of the unit and requires a new longer casing Tone signalling sub u nits for CQP800U are as follows single or double tone transmitter tone frequencies from 885 Hz to 2900 Hz 77802 single double tone transmitter tone frequencies from 1010 Hz to 3047 Hz 57801 four or five tone sequential tone transmitter tone frequencies from 885 Hz to 2800 Mz 57802 four or five tone sequential tone transmitter tone frequencies from 960 Hz to 2110 Hz 58801 four or five tone sequent receiver tone frequenci 885 Hz to 2900 H
55. torno Loudspeaker LS801 When mounting the external loudspeaker two resistors and R20 attenuate the CQP800 U audio level to match the amplifier input sensitivity of LS801 Microphone MC704 When using MN808 and MC704 two resistors R21 and R22 attenuates the microphone output to a suitable level for the U SQ LS Switch SU809 The switch 02 which can be used with MN804 only mount on the steering coloumn and rates the squelch cancel function and the LS is used in out function if selective calli TECHNICAL SPECIFICATIONS Supply Voltage nominal 13 6 V Supply Voltage Range min 10 5 V max 16 0 V Supply Voltage Polarity plus or minus chassis 60 394 E1 Current Consumption Typical values 160220 mA 10 5 supply 220 mA 16 0 V supply 160 mA Charging Current Typical value in the temperature range 10 to 40 C with battery BU 802 560 mA Temperature range Working range with normal charging current 10 to 45 C Working range with reduced charging current 28 C to 70 Dimensions Unit overall 148 x 75 x 40 mm Printed circuit boa 92x 58 x 20 mm 60 394 E1 TEST ADAPTOR 51805 51805 a measuring adaptor to be used in the CQP800U is switched into remote control conjunction with Test Set TS C35 and CQP800U mode which is suitable for TS C35 The personal radiotelephones internal loudspeaker t
56. urrent drain FD82 LL 12 mA meter maximum Li L2 Past L1 L2 PABES L3 L1 L3 minimum ADC voltage Power output 0622 Voltmeter ADC voltage wattmeter 7 8 86 1 L2 PARES 13 0 1 maximum power PABE2a LS L6 output or PAa6s L5 16 1 3w approx 0 5 w lt 230 mA Current drain meter approx 1W approx 3 W 800 mA 9 L2 Frequency font E85 107 Q0 25 xoass L counter fant 20 2 x 107 12 5 AF generator 10 Modulation Deviation meter L2 Distortion meter minimum distortion 4 6 mV AF input AF generator Deviation meter 0 2 x Af max f mode 1 kHz Modulation distortion Distortion meter THO lt 74 18 037 12 Antenna network cac sisi Maximum indication 1 60 333 2 15 60 333 2 SUMMARY 60 333 E2 RECEIVER ADJUSTMENT CQP863U CQP864U TEST ADJUST INSTRUMENT READING supply voltage Power supply DC voltmeter nv Check Voltmeter 47 5 20 154 Current drain Check MA meter lt 100 mA RC test point zen DC voltmeter maximum 1 7V without oscillator Lo Ls L7 Sen L8 57 RE generator minimum Distortion meter distortion 5 Receiver sensitivity DC voltmeter maximum Distortion meter minimum L RF generator minimum
57. x 3 kHz transmitter frequency deviation The output should be below clipping level as seen at the AF output at the deviation Adjust L2 in PM862 for minimum distortion Remove the short circuit across R10 R11 Set the tone generator output to 12 mV 12 5 kHz ADJUSTMENT PROCEDURE Storno Set the tone generator output to 6 mV 20 25 kHz Check that Af max is not exceeded at frequencies between 300 Hz and 3000 2400 Hz 12 5 kHz If necessary adjust R11 R10 Set the tone generator output to 0 7 x Af max at 1000 Hz 23 5 kHz for 25 kHz channel spacing 22 8 kHz for 20 kHz channel spacing 11 75 kHz for 12 5 kHz channel spacing Check the total Harmonic distortion on the output of the deviation meter Requirement THD 78 without de emphasis RECEIVER ADJUSTMENT For location of components see fig 3 and fig 7 8 SUPPLY VOLTAGE AND CURRENT DRAIN Before making adjustments to the receiver circuits check the icriminator bandwidth resistor between pin 1 and pin 3 of 802 CQP863 R1 5 6 Kohm COP864 R1 27 Kohm Apply 5 0 V to terminal 8 of FC804 CQP864 only Set the DCVM switch to SUPPLY Adjust the power supply to 11 Set the current limiter to 0 1 A Read the current drain lt 100 mA Set the DCVM switch to RX Read the stabilized RX voltage Requirement 7 5 V 20 15 V ADJUSTMENT OF RECEIVER CONVERTER 60 Set the trimming slugs of L1 L2 13 Lu LS and L6
58. z also be coded for use as a double tone receiver SR802 four or five tone sequential tone receiver tone frequencies from 960 Hz to 2110 Hz 70002 three four or five sequential 1 tone from tone transmitter receiver tone frequencies from 885 Hz to 2800 Hz By means of a plug in module SU808 the TQ802 can detect group calls 70803 three four or five sequential tone transmitter receiver tone frequencies from 960 Hz to 2110 Hz By means of a plug in module SU808 the TQ803 can detect group calls 60 357 2 Storno GENERAL DESCRIPTION AND OPERATING INSTRUCTIONS Storno CARRYING DEVICES CK802 screw mounted pocket clip CK803a shoulder strap with retainer for The following devices are available for carry remote control unit ing the CQP800U for remote control only CK801a carrying harness for all types of equipment mounting hardware short and long straps belt and clamps 60 357 2 60 357 E2 CONTROL PANEL WITH TONE SWITCHING CP8017 is a variant of the control panel to be used in conjunction with the CQP800U family CP8017 has the same function as CP808 and beside these CP8017 include facilities for 2 telegram tone switching with one fixed tele gram and one variable 100 call telegram Operation of the 2 telegram tone switching is done by means of the Tone Key pushbut tons and II CP8017 Tone Key I will send the fixed telegram pre set at the factory Tone Key
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