Alan HM135, Service Manual

Page 1: ...HM135 Service Manual Preliminary version Page 1 of 13 ALAN HM135 Mobile VHF Transceiver Service Manual Copyright 2004 by CTE International Italy all rights reserved...

Page 2: ...Front End 7 2 6 b Local Oscillator LO 7 2 6 c Mixer 8 2 6 d FM Detector and Squelch 8 2 6 e Audio routing 8 2 6 f CTCSS DCS signal routing 8 2 6 g Selcall signal routing 8 2 7 Signaling 8 2 7 a Gener...

Page 3: ...epending on the version from 9 KHz to 1 GHz 36 dBm Spurious Emissions W from 1 to 4 GHz 30 dBm Modulation System FM F3E PM G3E Maximum Deviation KHz 2 5 12 5 KHz 5 25 KHz Adjacent Channel Power Attenu...

Page 4: ...TCSS DCS signal line MCU_CTCSS_DCS_PWM as further explained The digital signals coming from the ADC converters which drive the microprocessor in order to decode the Selcall and CXTCSS DCS signals are...

Page 5: ...is driven by the modulating signal line A regulated by the trimmer RP4 This is part of the double point modulation and works mainly in high AF modulating frequencies the other part of the double poin...

Page 6: ...eds the driver amplifier VT23 whose output from the driver stage feeds the final RF power amplifier VT22 to produce the rated output power of 25 watts The output of the power amplifier is applied to t...

Page 7: ...with the speech Selcall signal DA9 C sums the two signals speech Selcall coming from pin 11 of DA10 and CTCSS DCS coming from pin 12 feeding its combined output to DA9 D which is a 3 KHz low pass fil...

Page 8: ...switch VT54 controlled by the transistor VT55 2 6 e Audio routing The detector s audio output line DETECTOR_AUDIO is fed to DA13 A and DA13 B 3 KHz low pass filter deeply described in the next paragra...

Page 9: ...ector as explained in par Selcall signal routing 2 8 ON OFF switch rear connector and internal connectors 2 8 a ON OFF switch The line ON OFF_SWITCH is normally pulled up by the resistor R182 When the...

Page 10: ...f RP6 and Ground Turn RP6 in CCW direction until readings of the ohmmeter are within 100 to 300 Ohm 4 Connect an ohmmeter between the wiper of RP7 and Ground Turn RP7 in CCW direction until readings o...

Page 11: ...n LCD It is OK Switch OFF the Radio 3 5 Programming the radio 1 Connect the programming cable to radio s Microphone Connector 2 Press the F1 key keep it pressed and switch ON the radio Radio will resp...

Page 12: ...een 9 and 10 W 3 9 Setting of modulation 1 VERY IMPORTANT Switch off all the modulator filters in the deviation meter communication tester before this measurement Radio s modulation input used for thi...

Page 13: ...radio s antenna connector 4 Set the RF generator modulation frequency to 1kHz and the deviation to 3 KHz Set the RF output of the generator to 87 dBm 10 uV 5 Decrease the level of RF generator until...

Page 14: ...ALAN HM 135 TEST POINTS AND PCB LAYOUTS...

Page 15: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e TP1 Freq Adj Ref Mod Adj VCO Mod Adj TX VCO Adj RX VCO Adj Driver Bias TX PA Bias TX Pwr Cal Squelch level TEST POINTS...

Page 16: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 17: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 18: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 19: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 20: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 21: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 22: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 23: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 24: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 25: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 26: ...ALAN HM 135 ELECTRICAL DIAGRAMS...

Page 27: ...HM135_HEAD_FEB_14_2004 SCH p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 28: ...12 13 14 D 5 6 7 B 10 8 9 C p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 29: ...5 6 7 B 12 13 14 D 1 2 3 A 1 2 3 A 10 8 9 C p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 30: ...1 2 3 4 8 A 1 2 3 4 8 A 5 6 7 B 10 8 9 C 5 6 7 B 1 2 3 4 8 A 5 6 7 B 1 2 3 A 12 13 14 D 1 2 3 4 8 A p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 31: ...10 8 9 C 5 6 7 B 1 2 3 A 5 6 7 B 12 13 14 D p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 32: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 33: ...1 2 3 4 8 A p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 34: ...5 6 7 B p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 35: ...5 6 7 B 10 8 9 C 1 2 3 A 12 13 14 D p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 36: ...p d f M a c h i n e b y B r o a d G u n S o f t w a r e...

Page 37: ...ALAN HM 135 EXPLODED VIEW AND PART LIST...

Page 38: ...ALAN HM 135 PROGRAMMING MANUAL...

Page 39: ...HM135 HM435 Programmer software guide Preliminary version Page 1 HM135 HM435 VHF UHF Mobile Transceiver Programmer Software Guide Preliminary version issued on February 15th 2004...

Page 40: ...ht 2004 by CTE International Italy all rights reserved Microsoft MS and Windows are registered trademarks of Microsoft Corporation IBM is a registered trademark of International Business Machines Corp...

Page 41: ...TX calls Call1 Call2 Emergency Transpond and Auto ID ANI 16 5 5 Monitor Key Behaviour 16 5 6 Manual Autoreset for selective calls 18 5 7 Overviewing a Channel Data Summary 18 6 CUSTOMIZATIONS 20 6 1...

Page 42: ...onal radio systems radio system and radio network settings parameters as well as general PC operation This programming guide is subject to change without notification This booklet is referred to the c...

Page 43: ...exe file 5 Click OK and then follow the instructions which appear 6 Several windows will ask you to insert your user s information choose a destination location for the program and finally select the...

Page 44: ...ou need to remove the RJ connector from the transceiver s microphone socket unlock it by pushing the side release button of the RJ connector and remove it by grasping the connector itself not the cabl...

Page 45: ...ed as default 3 3 Checking the software version If you want to see the software version and other additional info from the menu Help select About The About window will open showing you the said data 3...

Page 46: ...you want to create any name will do anyway we recommend to type the customer s name then press the Save button the Channel Data window will open Important we ll always refer this window as Channel Dat...

Page 47: ...sensitivity area and select either the Local or Distance radio button for that channel depending on your needs For regular applications we recommend to use the maximum sensitivity by keeping the defau...

Page 48: ...l 1 in the figure will open 3 If you need to activate the CTCSS encoder click on the TX tone Hz drag down button and select the tone encoding frequency you need e g 110 9 Hz 4 If you need to activate...

Page 49: ...1 Switching between Channel Data and Global Data windows Starting from now we ll need to switch between Channel Data and Global data Windows Global data window can be recalled at any time by clicking...

Page 50: ...Up 2 area is useful to set up the emergency call For further information please see the paragraphs 6 8 The Tables area allows you to define the parameters for the Selective Calls ref par 6 1 setup RX...

Page 51: ...the following example we selected the sequence 1 4 If you want to assign an alphanumeric name to the selected Rx sequence just type the new name over the existing one RxSeq x in the example we rename...

Page 52: ...ttings in case of big mistakes In this case click the button located in the uppermost right corner and start from the beginning of this paragraph If you composed a completely wrong sequence set up you...

Page 53: ...ght to the next paragraph Close the Tx sequence set up without entering all the settings in case of big mistakes In this case click the button located in the uppermost right corner and start from the...

Page 54: ...y Just go to the Wait before transpond on BUSY Channel drag down button and select the time you need which is available in 2 5 sec steps 7 Select the condition in which you want the transceiver be sen...

Page 55: ...software guide Preliminary version Page 17 1 Be sure you are selecting parameters on the right channel if not please select the right one by clicking on either the or button in the Channel num area i...

Page 56: ...ed by default checkbox click the Autoreset button the Autoreset window will open 4 Select the autoreset time you need by clicking the Autoreset drag down button and then click the needed time You can...

Page 57: ...will remain on the screen providing an useful programming monitor In fact it can be manually updated every time you press the Update button or automatically after any programming operation you will m...

Page 58: ...s of the standard Selcals Moreover if you don t want to use the standard Selcal tone frequencies you can totally define your own Selcal standard called PERSONAL 1 From the Global Data window Tables ar...

Page 59: ...Global Data window Set Up area click the Scan configuration button the Scan configuration window will open 2 In the Scanning conditions area you can define the condition in which the scan should stop...

Page 60: ...nel accessed if you want to automatically select the last channel used before it was switched off Click the Txed selcal drag down button and select the required selcal to automatically being sent ever...

Page 61: ...ic signals as follows From the Global Data window Set Up area click the Key Warn beeps button you will toggle it OFF or ON depending on the times you press the button We recommend when possible to lea...

Page 62: ...Number of burst 1 255 box then type the number of trills alternations of Tone 1 and Tone 2 per burst in the Number of trill per burst box 7 If you have selected more than one burst for each ring you c...

Page 63: ...set LCD contrast and backlight and the default squelch level Moreover you can enable disable a variety of miscellaneous settings such as the microphone with keypad the optional internal scrambler boar...

Page 64: ...lso decide to assign selcalls to one or more F key s 1 From the Global Data window Tables area click the Menu manager button the Menu manager window will open 2 To enable a menu or submenu go to the S...

Page 65: ...message after clicking on Program data button WHICH RADIO Radio type HM35 START_UPLOAD UPLOAD_SYS_RADIO_DATA UPLOAD_RX_SEQ_DEF x These two messages are repeated for each RX channel x is the number of...

Page 66: ...t be blank gray otherwise close the file with the command File Close radio 2 From the menu Options select Restore System DB A window will open with the message Restore the SYSTEM DB Default Public Dat...

Page 67: ...required programming data or browse it using the directory tree in folder box programming files use the extension hmv or hmu and are usually placed in the directory C Programs HM135 Programmer usrDB...

Page 68: ...your computer 5 Package contents 5 System requirements 5 M Manual Autoreset for selective calls 18 Menu F keys customization 26 Monitor Key Behaviour 16 N New or already stored data 7 P Programming mo...

Page 69: ...ing timing speed priority wait 21 scanning with CTCSS DCS 21 scanning with Selcal 21 special BUSY Tx lockout 23 Squelch level 25 Tx PTT resume timer 23 Tx timeout timer 23 Software installation 5 T Ta...