Maxon SL7000 Series Operational Description
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Maxon SL7000 Series Operational Description

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SL7000 SERIES HANDHELD
TRANSCEIVER
OPERATIONAL DESCRIPTION

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  • Page 1 SL7000 SERIES HANDHELD TRANSCEIVER OPERATIONAL DESCRIPTION...

  • Page 2: Table Of Contents

    SL7000SERIES HAND HELD TABLE OF CONTENTS 1. SPECIFICATIONS 2. DESCRIPTION OF UNIT 3. THEORY OF OPERATION 4. ALIGNMENT PROCEDURE 5. CLONING 6. PROGRAMMING 7. EXPLODED VIEW 8. PARTS LIST 9. PCB LAYOUT AND CIRCUIT DIAGRAMS 10. BLOCK DIAGRAM...

  • Page 3: Specifications

    SL7000SERIES HAND HELD INTRODUCTION The SL7000 Series of portable radios from Maxon, utilizes the latest technology in its design and manufacturing. Both the VHF and UHF models are PLL (Phase Lock Loop Synthesizer) / microprocessor controlled, and offer 1 or 4 / 5 watts of power with 256 channel capability.
  • Page 4 SL7000SERIES HAND HELD 12.5 kHz Channel Spacing ....... Max. ±2.5 kHz With Subaudio Tone Modulation @ 10 % Peak Deviation 25 kHz Channel Spacing .

  • Page 5: Description Of Unit

    SL7000SERIES HAND HELD 2. DESCRIPTION OF UNIT Front Panel          Description Description   Power On/Off, Volume Control S/W Up/Down / Select Button   Rotary Selector LED Indicator   Emergency Button LCD Display ...
  • Page 6 SL7000SERIES HAND HELD sub-tone when receiving programming and cloning read Green flashing Different sub-tone when receiving Receiving, monitoring cloning Orange External Earphone/MIC and Programming Jack Socket Speaker Tx Output H/L Function Squelch (SQ) 10 Channel Select Button Select the desired channel with pressing Up and Down button, pressing and holding down more than 1 second makes the channel moving fast.

  • Page 7: Theory Of Operation

    SL7000SERIES HAND HELD 3. THEORY OF OPERATION INTRODUCTION SL7000 is 256 channel portable FM transceiver constructed with a microprocessor controlled, temperature compensated Phase Locked Loop (PLL) frequency synthesizer. The radio features a double conversion receiver and a direct FM transmitter modulator. A special integrated circuit provides support to sub-audible signaling (CTCSS & DCS) and most of the receiving parts are switched off periodically in the power saver mode to reduce battery current drain during standby.
  • Page 8 SL7000SERIES HAND HELD to antenna switch D202 then applied to Antenna Connector. 3) RECEIVER * ANT SWITCHING CIRCUIT Signals from antenna connector fed to the antenna switching circuit . In receive mode, D201 is turned off, which isolates the antenna from the transmitter circuit, so that the incoming signals are fed to the RF amplifier through L209.

  • Page 9: Alignment Procedure

    SL7000SERIES HAND HELD 4. ALIGNMENT PROCEDURE Measurement Condition The following sections describes the alignment procedure for SL7000LMR transceiver under the following reference environment conditions: Temperature 25 ºC (77 ºC) Relative Humidity Power Supply Voltage 7.4VDC Required Test Equipment The following list of equipment is recommended for use in setting up the radio properly. Please ensure the test equipment are calibrated according to the manufacturer’s instructions: EQUIPMENT GRADE AND RANGE...
  • Page 10 SL7000SERIES HAND HELD Test Equipment Setup...
  • Page 11 SL7000SERIES HAND HELD ATE(Auto Test) * Purpose ATE checks automatically whether the transceiver is content with the specification or not .It also adjusts internal values automatically(Auto Tuning) if the transceiver isn’t content with the specification. * System Requirements CPU: Intel Pentium2 or higher(Pentium3 or higher recommended) Operating System: Microsoft Windows 98, ME, 2000, XP Communication: Serial COM port(9pin) * Equipment Setup...
  • Page 12 SL7000SERIES HAND HELD * Test Flow Chart Start ATE Initialization Check the next item PASS Auto Tuning* PASS Stop ATE Check all of items GOOD Finish ATE * The adjustable items: TX Power, Max Deviation, Sub-audio Tone Deviation, Squelch The rest of items can’t tune. The result will be BAD if ATE fails to check these items.
  • Page 13 SL7000SERIES HAND HELD * Test Items Start ATE TX Power TX Frequency Max Deviation MIC Sensitivity TX Test TX Distortion TX Hum & Noise Sub-audio Tone Deviation RX Distortion RX Hum & Noise Audio Sensitivity RX Test Squelch 2-Signal Test* Option Finish ATE * 2-signal test items: ACL, SRA, Image Rejection, Co-channel Rejection, Blocking...
  • Page 14 SL7000SERIES HAND HELD * Auto Tuning 7000 series ATE Program has a function which adjusts internal values automatically if the transceiver isn’t content with the specification. Auto tuning function divides into two parts finding the suitable values and storing the values to EEPROM.
  • Page 15 SL7000SERIES HAND HELD Please confirm that the audio enable button is off before transceiver on. Click the start button after setting the transceiver to ATE mode and connecting the every equipment correctly. To set the transceiver to ATE mode, push and hold the PTT key and monitor button at the same time and transceiver on. At this time, the rotary selector must be 16’th channel position.
  • Page 16 SL7000SERIES HAND HELD When all of the test items are passed, asking message of the result printing will be appeared If the current test item is failed, the test will be stopped and asking message of the continuing of the test will be appeared.
  • Page 17 SL7000SERIES HAND HELD Including auto tuning test items are TX Power, Max Deviation, Sub-audio Tone Deviation, Squelch. If these items are failed then enter the auto tuning process automatically. After auto tuning process, the test will be continued. If the result after auto tuning is fail, the transceiver will be a failure.
  • Page 18 SL7000SERIES HAND HELD ATE Option To see the channels information, click ATE Option  Frequency ATE program uses 16 predefined channels. Table on the menu bar. To see the specification of the current model, click ATE Option  Specification on the menu bar.
  • Page 19 SL7000SERIES HAND HELD Save and Load the Result After the test you can save the result of the test by clicking of the File  Save ATE File on the menu bar. (Normally, the result data of the test is automatically saved in ‘C:\AutoTest’.) To open the saved result data, click the File ...
  • Page 20 SL7000SERIES HAND HELD SL-7102 Ch. No. RX Frequency TX Frequency Ch. Space Power Sub-audio Tone 136.025 136.075 136.025 136.075 136.025 136.075 136.025 136.075 155.025 155.075 155.025 155.075 155.025 155.075 440.025 155.075 173.025 173.075 173.025 173.075 173.025 173.075 173.025 173.075 173.025 173.075 CTCSS: 151.4 173.025...

  • Page 21: Cloning

    SL7000SERIES HAND HELD 5. CLONING * Description Cloning function is to transfer and copy the transceiver information. Master is the transceiver that transfers its own information. Slave is the receiver that receives and save the master’s information. * How to use cloning function Cloning Mode To clone, set the master set to cloning mode.

  • Page 22: Programming

    SL7000SERIES HAND HELD 6.PROGRAMMING * File This function is used if users want to create a new file or initialize the current file. All data is cleared and assigned the default value but the model doesn’t change. Open This function is used if users want to load data from a specific file. Save This function is used if users want to save the current data to a specific file.
  • Page 23 SL7000SERIES HAND HELD ‘Capacity’ means the total number of channels in the group. User can use channels up to this capacity number. ‘Use’ means the number of using channels in the group. ‘Name’ is the name of group. User must assign at least one channel in each group. * Edit - Channel Group Selection Select the group no.
  • Page 24 SL7000SERIES HAND HELD Press enter key or double click to change channel space(Wide or Narrow). TX Power Press enter key or double click to change TX Power(High or Low). Scan List Press enter key or double click to change scan list setting. Scan-ON channels are only scanned while scanning. Lookback Press enter key or double click to change lookback option.
  • Page 25 SL7000SERIES HAND HELD Start logo is editable up to 8 characters. Start logo is displayed for one second when the transceiver turns on. If start logo is empty, then all LCD segments are displayed for one second when the transceiver turns on. Password Password is editable up to 4 characters.
  • Page 26 SL7000SERIES HAND HELD Emergency Channel Type ‘Fixed Channel’ means the transceiver always moves to a specific channel and tries to call when emergency all is started. ‘Current Channel’ means the transceiver tries to call at current channel when emergency call is started. Emergency Channel Emergency channel is programmable.
  • Page 27 SL7000SERIES HAND HELD Beep Set beep option to control the beep sound. Backlight Set backlight option to control LCD backlight. If the backlight option is set to ‘AUTO’, then LCD backlight is on for specific duration. This duration is applied after any key is pressed. Set VOX option to use VOX function.
  • Page 28 SL7000SERIES HAND HELD Channel data is displayed like below in case of ‘Group/Ch. Name’. ‘/’ is a descriptor between group and channel name. Channel data is displayed like below in case of ‘Ch. Name’. The group number is displayed for 1 second when the group is changed.
  • Page 29 SL7000SERIES HAND HELD If this function is activated, the power save function will decrease the amount of using power when a current channel is no busy status and no operations are being performed. ‘On Time’, ‘Off Time’ and ‘Delay Time’ are programmable. Beep Control Beep sound can be programmable individually.
  • Page 30 SL7000SERIES HAND HELD Select ‘None’ or ‘Group Selection’, ‘Channel Selection’ as rotary selector’s functionality. You can’t assign ‘Group Selection’(Channel Selection) function to programmable key if rotary selector is already used for ‘Group Selection’(Channel Selection). Group Selection: Rotary selector indicates the current group. If you’d like to move the group, then rotate rotary selector to the group no.
  • Page 31 SL7000SERIES HAND HELD TX Code List You can store DTMF codes are used frequently in this list. If the current channel’s signaling type is DTMF and TX Code Select & Enter function is activated, then these stored codes will be displayed by their text. Each code has its text and the text is editable up to 8 characters.
  • Page 32 SL7000SERIES HAND HELD This is programmable 50 to 300ms at 10ms intervals. Each DTMF tone is generated during this time. But first tone generation time is depends on First Tone Time. Space Time This is programmable 50 to 300ms at 10ms intervals. The transceiver keeps no tone for this time after generating each tone.
  • Page 33 SL7000SERIES HAND HELD This is programmable 0 to 1000ms at 50ms intervals. The transceiver transmits 2-tone frequency after this duration elapsed. Auto Reset Time This is programmable 1 to 255 seconds at 1 second intervals. The transceiver carries out predefined actions if a valid code is received.
  • Page 34 SL7000SERIES HAND HELD Press delete key to remove 5-tone code from the list. RX Code List According to the signaling operation, RX Code List is used differently. If ANI is selected and the received code is in RX code List, then the corresponding text will be displayed. If Selcall is selected and the received code is in RX Code List, then the corresponding actions(including the text display) will be carried out.
  • Page 35 SL7000SERIES HAND HELD...

  • Page 36: Exploded View

    SL7000SERIES HAND HELD 7. EXPLODED VIEW...

  • Page 37: Parts List

    SL7000SERIES HAND HELD 8. PARTS LIST 8-1 SL7402 Name Description Reference No SL-7402 Handheld UHF Land Mobile Radio 4W MAIN CIRCUIT MANUAL ASSY(SL- MAIN CIRCUIT MANUAL ASSY 7402) 4504581(VOLUME) TP76N17N 15F A203 SUB; VR371 4300772(SW ROTARY) EC10SP16-68 SUB; SW171 4360465(SW TACT) SKPT-1101VA SUB;...
  • Page 38 SL7000SERIES HAND HELD 05D3303Z(RES. CHIP) 33 1/16W 5% 1005 SMD; R376 05D3336Z(RES. CHIP) 33K 1/16W 5% T 1005 SMD; R218.307.347.358.366.417 05D3347Z(RES. CHIP) 330K 1/16W 5% 1005 SMD; R220 05D3918Z(RES. CHIP) 390 1/16W 5% 1005 SMD; R622 05D3930Z(RES. CHIP) 39K 1/16W 5% 1005 SMD;...
  • Page 39 SL7000SERIES HAND HELD 1322870Y(CAP. CERAMIC CHIP) 22PF GRM36COG220J50V SMD; C123.319.320.836 1322892Y(CAP. CERAMIC CHIP) 220PF GRM36COH221J25V SMD; C183.426 1302869Y(CAP. CERAMIC CHIP) 0.0022UF GRM36 X7R222K 50V SMD; C202.211 1302870Y(CAP. CERAMIC CHIP) 0.0027UF GRM36X7R272K50V SMD; C317 1302949Y(CAP. CERAMIC CHIP) 0.022UF GRM36X7R223K16V SMD; C184. 1331101Y(CAP.
  • Page 40 SL7000SERIES HAND HELD CHIP BEAD BLM15AG102SN1 SMD; L361.401.402.422.652.R311.R345 DIODE SWITCHING KDS114E ESC SMD; D121.697 DIODE SWITCHING KDS121E ESM SMD; D801.372.521 DIODE SWITCHING KDS122 USM SMD; D351 DIODE SWITCHING KDS160E ESC SMD; L601.861 DIODE VARICAP KDV316E ESC SMD; D662 DIODE VARICAP KDV350E ESC SMD;...
  • Page 41 SL7000SERIES HAND HELD 1320330Y(CAP. CERAMIC CHIP) 2PF GRM36COG020C50V SMD; C684.841.843.852 130B176Y(CERAMIC CHIP) 0.015UF GRM36 X5R153K 16V SMD; C216 1318528Y(CERAMIC CHIP) 180PF GRM36 COH181J 25V SMD; C209.308 1304581Y(CERAMIC CHIP) 0.0047UF GRM36 X7R472K 25V SMD; C302.315 1356535Y(CERAMIC CHIP) 560PF GRM36 X7R561K 50V SMD;...
  • Page 42 SL7000SERIES HAND HELD 1339305Y(CAP. CERAMIC CHIP) 39PF GRM39COG390J50V SMD; C725 1356315Y(CAP. CERAMIC CHIP) 5.6PF GRM39COG5R6C50V SMD; C785 1368381Y(CAP. CERAMIC CHIP) 6.8PF GRM39COG6R8D50V SMD; C784 1390050Y(CAP. CERAMIC CHIP) 9PF GRM39COG090D50V SMD; C781.783.784 1410882(CAP TANTALUM CHIP) 10UF 10V P 20% SMD; C790 3121872(COIL INDUCTOR CHIP) 18NH SW10603CT18N SMD;...
  • Page 43 SL7000SERIES HAND HELD IC MCU PIC16F677 SSOP20 SMD; IC201 DIODE RECTIFIER SMD; D101.102 BATTERY ASSY(SL-7402) BATTERY ASSY SL-7000 BATTERY LITHIUM LITHIUM POLYMER 1500mAH POLYMER PORTABLE CHARGER ASSY(SL- PORTABLE CHARGER ASSY 7402) BALT CLIP ASSY(SL-7402) BALT CLIP ASSY PACKING ASSY(SL-7402) PACKING ASSY...
  • Page 44 SL7000SERIES HAND HELD 8-2 SL7102 Name Description Reference No LMR Portable VHF 256CH, 5W, 7907 SL-7102(FFF)8125 136~174MHz MAIN CIRCUIT MAN ASSY(SL- MAIN CIRCUIT MAN ASSY 7102) 4504581(VOLUME) TP76N17N 15F A203 (RY-8141) SUB; VR371 4300772(SW ROTARY) EC10SP16-68 SUB; SW171 4360641(SW TACT) SKHLLFA010 SUB;...
  • Page 45 SL7000SERIES HAND HELD 05D8221Z(RES. CHIP) 8.2K 1/16W 5% 1005 SMD; R327.342.343.367.417 05D3918Z(RES. CHIP) 390 1/16W 5% 1005 SMD; R622 05D3930Z(RES. CHIP) 39K 1/16W 5% 1005 SMD; R202.323 05D8232Z(RES. CHIP) 82K 1/16W 5% 1005 SMD; R309.837.864 05D3941Z(RES. CHIP) 390K 1/16W 5% 1005 SMD;...
  • Page 46 SL7000SERIES HAND HELD 1356524Y(CAP. CERAMIC CHIP) 56PF GRM36COG560J50V SMD; C820 1368600Y(CAP. CERAMIC CHIP) 68PF GRM36COG680J50V SMD; C883.885 1336184Y(CAP. CERAMIC CHIP) 3.6pF, GRM36COG3R6C 50V SMD; C891 1368611Y(CAP. CERAMIC CHIP) 680PF GRM36X7R681K50V SMD; C255 1370171Y(CAP. CERAMIC CHIP) 7PF GRM36COG070D50V SMD; C816 1380143Y(CAP. CERAMIC CHIP) 8PF GRM36COG080D50V SMD;...
  • Page 47 SL7000SERIES HAND HELD FILTER DISCRIMINATOR CDBKB450KCAY24-R0 SMD; X801 3.6864MHz, 1AL/1AV036866B SMD; X311 2513293(LED LAMP) BL-HGEUB36H-TRB SMD; LED176 2003070(TR) AT-41532 SMD; Q801.821 2002776(TR) 2SC5086-Y SMD; Q681.686.687 8.000MHz, 1AL/1AV080006AA SMD; X201 CONNECTOR(SL-7402) 9834B-40Y900 0.5 PITCH SMD; CON102 FEMALE 1.27MM ( FA04-1-03- CONNECTOR PIN HEADER SMD;...
  • Page 48 SL7000SERIES HAND HELD BOLT HEXAGON(SL-7402) M2X3 NI-PLATE SUB; (+)TAPPING SCREW BH 2X6 -2S ZN-PLAT SUB; CONNECTOR SMA-R(M)-Q3 SUB; THERMAL PAD (SL-7402) EXHT-1.0T-G1560-14-6-C SUB; POWER MODULE MAN ASSY(SL- POWER MODULE MAN ASSY 7102) POWER MODULE SMD ASSY(SL- POWER MODULE SMD ASSY 7102) 05D0005Z(RES.
  • Page 49 SL7000SERIES HAND HELD BATT CONN. SMD ASSY(SL-7402) BATT CONN. SMD ASSY 130B121Y(CAP. CERAMIC CHIP) 0.001UF GRM36X7R102K50V SMD; C526.532.533.534.535.536.537 3119972(COIL SPRING) 0.3X1.2X5T:L(SMD) SMD; L531.532.533 PCB TERMINAL (SL-7402) 107X107X1.0T FR-4, 2L, OSP SMD; BATT CONTACK MANUAL BATT CONTACK MANUAL ASSY ASSY(SL-7402) CONNECTOR PIN 9230B-1-02Z162-PT1 2PIN SUB;...
  • Page 50 SL7000SERIES HAND HELD SLIDE BELT(SL-7402) PC BLACK SUB; BELT CLIP(SL-7402) PC BLACK SUB; 860177(PIN) BSBM NI-PLATE(NSP-3200SKD) SUB; SPRING(SL-0305PMR) SUS304 &1.2 SUB; BRACKET BELT(SL-7402) SUS304 0.4T SUB; PACKING ASSY(SL-7402) PACKING ASSY PRODUCT DISPOSAL WOOD PAPER A5 FIN; INSTRUCTIONS LABEL NAME ( SL7402 ) PE T0.15 29.4X16.4 FIN;...

  • Page 51: Pcb Layout And Circuit Diagrams

    SL7000SERIES HAND HELD PCB LAYOUT AND CIRCUIT DIAGRAMS...
  • Page 52 SL7000SERIES HAND HELD REV. NO. C O N T E N T S CHK. APVD D A T E DESIGNED CHECKED APPROVED TITLE : SL7402 (UHF) MAIN TOP PARTS LAYOUT DWG No MODEL SL7402 MATERIAL File Name SCALE SHEET 1 OF 3 ATS-F-084(0) A4(210X297)
  • Page 53 SL7000SERIES HAND HELD REV. NO. C O N T E N T S CHK. APVD D A T E DESIGNED CHECKED APPROVED TITLE : SL7402 (UHF) MAIN BOTTOM PARTS LAYOUT DWG No MODEL SL7402 MATERIAL File Name SCALE SHEET 2 OF 3 ATS-F-084(0) A4(210X297)
  • Page 54 SL7000SERIES HAND HELD REV. NO. C O N T E N T S CHK. APVD D A T E DESIGNED CHECKED APPROVED TITLE : SL7402 (UHF) P/W MODULE LAYOUT DWG No MODEL SL7402 MATERIAL File Name SCALE SHEET 3 OF 3 ATS-F-084(0) A4(210X297)
  • Page 55 SL7000SERIES HAND HELD...
  • Page 56 SL7000SERIES HAND HELD...
  • Page 57 SL7000SERIES HAND HELD REV. NO. C O N T E N T S CHK. APVD D A T E DESIGNED CHECKED APPROVED TITLE : SL7102 (UHF) MAIN TOP PARTS LAYOUT DWG No MODEL SL7102 MATERIAL File Name SCALE SHEET 1 OF 3 ATS-F-084(0) A4(210X297)
  • Page 58 SL7000SERIES HAND HELD REV. NO. C O N T E N T S CHK. APVD D A T E DESIGNED CHECKED APPROVED TITLE : SL7102 (VHF) MAIN BOTTOM PARTS LAYOUT DWG No MODEL SL7102 MATERIAL File Name SCALE SHEET 2 OF 3 ATS-F-084(0) A4(210X297)
  • Page 59 SL7000SERIES HAND HELD REV. NO. C O N T E N T S CHK. APVD D A T E DESIGNED CHECKED APPROVED TITLE : SL7402 (VHF) P/W MODULE LAYOUT DWG No MODEL SL7402 MATERIAL File Name SCALE SHEET 3 OF 3 ATS-F-084(0) A4(210X297)
  • Page 60 SL7000SERIES HAND HELD...
  • Page 61 SL7000SERIES HAND HELD...

  • Page 62: Block Diagram

    SL7000SERIES HAND HELD 10. BLOCK DIAGRAM...

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