Maxon sd170e Especificações

SD-160 Series Data Radio (include SD-170 Series) Technical Manual

10 Scan Delete To temporarily delete a channel from the scan list, simply input the serial command for scan deletion to the radio while scanning and

106 PCB details for ACC-515 (GPS Module) - Reserved

11 Squelch Options Compared to existing Maxon data radios, programmable sub-audio squelch system (CTCSS & DCS) and two-tone squelch system are n

12 of DB-15 connector, respectively. In this case, the external signals are referenced to ground and may be a.c. or d.c. coupled depending on the use

13 Figure 3.2. Data signal flow diagram Ext. Mod. signal flow in TransmitterLevel DetectorAnalog S/WMC14053BData BPFSub-Audio LPFMF6Z1ZY1YAdj. LevelM

14 Analog S/WMC14053BSub-Audio LPFMF6Z1ZY1YAdj. LevelMaster MCUTone EnMod OutY0Z0X1XX0Sub-Audio EncoderSerial Data In Serial Data In(CMX469A)FFSK Mod

15 c. CTCSS signal information Each channel supports the 38 TIA/EIA standard tone frequencies and 11 non-standard tones. All tones will be set up dur

16 Two-Tone Squelch(SQ) System The radios will support Motorola-Format, Two-Tone(Type 99) decoding. This is receive only, decode only feature. It wil

17 Data Protocol a. Protocol for input serial command Protocol of data transmission from external equipment or device (: PC) to radio : Input seri

18 1. Channel Change 0x64 0x?? :Current channel ( 0x64 + Channel ) 2. RTX Mode Selection 0x61 R(0x72) : Rx mode T(0x74) : TX mode ( 0x61+0x72 )

19 Receiving Command & Data Mode Command (BYTE0) Data (BYTE1) Check sum (BYTE2) : Command + Data 0xaa ACK N/A 1 Process Complete Commands 0x5

2 TABLE OF CONTENTS 1. INTRODUCTION... 4 2. TECHNICAL SPECIFICATIONS ...

20 STATUS DESCRIPTION LED COLOR AUDIBLE TONE POWER ON - Busy Channel Yellow Correct Call Green Transmit Yellow NORMAL Transmit Not Allo

21 Modem Option for data communication ACC-513 and ACC-514 are new kinds of internal option-modems, which are applied to SD-160 series to increase ca

22 Channel Space DTE Baud Rate Modem Baud Rate Narrow (12.5KHz) 4800 4800 4800 4800 Standard (25KHz) 9600 9600 Table 3.7. Available Baud rate for G

23 4. THEORY OF OPERATION 4.1. INTRODUCTION The VHF and UHF radios comprise of two PCBs (RF and digital PCB). These boards are connected by an 18 pi

24 adjusted (amplified) by IC416-B. The amplitude-adjusted signal goes to pin 2 of the DB-15 connector (CON401). Audio signals are inputted to the 30

25 unmatched, the busy L.E.D. (Yellow) would be shown. CTCSS/DCS ENCODE CIRCUITS During TX encode, the tone squelch digital signal is produced as a

26 CHANNEL SELECTOR One of 16 channels may be selected using the Dip Switch (SW401) and serial commands. The hardware selector, SW401 encodes the cha

27 4.3. RF CIRCUITS 4.3.1. PLL SYNTHESIZER 12.8 MHz TCXO The TCXO contains the 3-stage thermistor network compensation and crystal oscillator and m

28 DC TO DC CONVERTER The DC to DC converter converts 5v to 14-16v to supply the necessary voltage for wide range frequency in the VCO. VCO The rad

29 amplifies to 0.5W and Q503 amplifies to 3W(SD-161, SD-164) or 6W(SD-171, SD-174) and then matched to 50 Ohms using the L.C. network or strip line,

3 8. INTERFACING ... 47 8.1. External connections ...

30 to the base of Q601 serving as an RF amplifier. Diode D601 serves as protection from static RF overload from nearby transmitters. The output of Q6

31 4.4. ACC-513 (GMSK MODEM CIRCUITS) MAXON GMSK option modem boards uses a CMX589A IC to generate and decode GMSK signals. The modem fully supports

32 4.5. ACC-514 (FFSK MODEM CIRCUITS) MAXON FFSK option modem boards uses a CMX469 IC to generate and decode FFSK signals. The modem fully supports a

33 4.6. ACC-515 (GPS INTERFACE CIRCUITS) The radio series outputs an industry standard NMEA GPS sentence on the DB-15 connector when the GPS option b

34 5. MAINTENANCE AND REPAIR GENERAL Any repair or adjustment should only be made by or under the supervision of a qualified radio service technicia

35 3. Separate upper cover from bottom cover by removing RF cable of ANT. connector. Fig 5.3. Separating upper and bottom cover REMO

36 3. Unscrew the two mounting screws located on shield can for PA module. 4. Replace the RF board assembly. Fig 5.5. Replacing RF board

37 4. Pull the digital board out of bottom cover. 5. Replace the digital board assembly. Fig 5.7. Replacing digital board assembly

38 6. COMPONENT REPLACEMENT Surface Mount Components Surface mount components should always be replaced using a temperature controlled soldering sys

39 Surface Mount Component Replacement 1. “Tin” one terminal end of the new component and the corresponding pad of the PCB. Use as little solder as p

4 1. INTRODUCTION The SD-160 and SD-170 Series (hereinafter called “the radios”) of RF wireless modems from MAXON utilize the latest tech

40 7. ALIGNMENT PROCEDURE The UHF/VHF Transceivers have broadband tuning range, UHF (450-490 MHz) and VHF (148-174 MHz) should require no special al

41 7.1. RECEIVER RX VCO RX VCO is pre-tuned at the factory and adjustment should not be required To identify existence of defect of RX VCO, check th

42 7.2. TRANSMITTER Connect the unit to a Service Monitor with the power meter set to the 10 W scale (or autorange) TCXO Set the channel selector to

43 APC This is the most critical point of the transmitter alignment procedures because ACC-516 (PCB Extender Board) has a voltage drop in tr

44 11. Adjust the RF signal to the desired level for squelch sensitivity as you monitor SINAD. This is usually 8 to 12 dB SINAD. 12. On the RF boar

45 ON). ※ NOTE: The difference of RF signal strength between the un-mute and mute levels must be greater than or at least equal to 0.15mV (i.e. at l

46 maxonPower SupplyS.S.G15 - 15 ConnectorDistortion MeterOscilloscopeSINAD MeterData OutputAudio OutputData /Audio InPTT Inputsel.MonitorOnOffPowerD

47 8. INTERFACING 8.1. External connections Connection is made to the SD-160 via an external 50 ohm BNC socket (RF signal) and a high density 15-way

48 8 Serial data IN (RXD) Serial command or data input for radio control or program. It uses asynchronous data format. TTL level I/P 9 Speaker filt

49 8.3. Internal components RV402RV401SW401RV403CON407DigitalBoard12(Default)CON40756(RTS mode only)Available signal level for PTT & Busy= TTL l

5 2. TECHNICAL SPECIFICATIONS GENERAL VHF UHF Equipment Type : Data radio (Wireless Modem) Data radio (Wireless Modem) Model Series : SD-161 SD

50 8.4. Option board pin-out chart 8.4.1. ACC-513 (GMSK Modem Option board) Connector No. Pin No. Function Description Input/ Output 1 VCC 6V to

51 5 TX_END To finish transmission, it indicates memory buffer of Master MCU of digital board is empty. O/P 6 MUTE (Busy) Logic level input from di

52 8.5. Wiring Diagram RV4 RV3RV5RV6TCXO1C208 C308RV1RV2TP1RF BOARDRV402RV401SW401DIGITAL BOARDCON407RV40312 121718CON1CON405CON406CON404CON403CON40

53 9. TROUBLE SHOOTING GUIDE This chapter contains 6 troubleshooting tables for the following SD-160 components:  Receiver  Transmitter  Synthes

54 STARTVERY LOWORNO 12DB SINADNOISE ATPIN 9 OFIFIC IC6?CHECK AFICIC412IS 12DBSINAD NEAR-103DBM?INJECT A45.1MHzSIGNAL AT C71IS 2ND LOON FREQ?IS PIN 1

55 NO POWER OUTPUTAT ANTENNAB+CURRENTDRAW?CHECK B+ ONFINAL STAGESB+ IS WITHIN+/- 0.5V OFDC-DC OUT?1) CHECK FOR INCORRECT OR DAMAGED PARTS IN

56 IF R98 & C101 AND R13& C5 ARE OK, THENTROUBLESHOOT VCOAREC1, C2, C3,C4, C18, R9,R10 & R11OK?AREEXT. CHARGEPUMP(Q3~Q6)CIRCUITRYOK?IC2 B

57 VISUALCHECK OFTHE BOARDOK?CORRECTPROBLEM4.2VDC ATEMITTER OFQ20?CHECK VOLTAGEREGULATORCIRCUITRY FORRX VCOYESYESNONOLOW OR NO POWERAT PIN4 OF T2ARE

58 VISUALCHECK OFTHE BOARDOK?CORRECTPROBLEM4.2VDC ATEMITTER OFQ8?CHECK VOLTAGEREGULATORCIRCUITRY FORTX VCOYESYESNONOLOW OR NO POWERAT INPUT TO P.A.A

59 STARTWAS POWER_ONINDICATION LIGHTEMITTED?YESNOAPPLY POWERTO RADIOIS POWERSUPPLIED TO DC-DC CONVERTER?WASNO WARNING LEDINDICATION?YESIS THERECONTI

6 TRANSMITTER VHF UHF Model Series : SD-161 SD-171 SD-164 SD-174 Carrier Power : (Nom. Max. Min.) Hi Power Low Power 2W < 3W > 1.5W N/A

60 10. VOLTAGE CHART TRANSISTORS OF CONTROL BOARD Receive state Transmit state REF# Description E B C E B C Q401 KRA104S 5.0 4.6 0.0 5.0 4.6

61 ICS OF RF BOARD RECEIVE MODE IC1 IC2 IC3 IC4 IC5 IC6 PIN # TK71750SCL MB15A02PFV1 NJM12904V NJM12904V NJM12904V TA31136FN 1 6.5 2.0 (OSC1) 1.9

62 ICS OF DIGITAL BOARD RECEIVE MODE IC402 IC403 IC404(off) IC405 IC406 IC407 IC408 IC409 PIN # CSI24WC04 NJM12903V KIA324F KIA324F MC14066

63 ICS OF DIGITAL BOARD TRANSMIT MODE IC402 IC403 IC404 IC405 IC406 IC407 IC408 IC409 PIN # CSI24WC04 NJM12903V KIA324F KIA324F MC14066B MC140

64 MCU (IC401) RECEIVE MODE PIN # Voltage PIN # Voltage PIN # Voltage PIN # Voltage 1 0.0 21 0.0 41 4.7 61 4.9 2 1.7(XOUT) 22 5.0 42 4.7 62

65 11. ELECTRICAL PARTS LIST 11.1. PARTS LIST FOR SD-161 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 180-301-7Z M

66 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 130-B19-8Y CHIP CERAMIC 0.1UF GRM36 Y5V104Z 16V C107 130-4

67 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 144-722-2 CHIP TANTALUM 4.7UF 293D475X0010A2T10V C494 243

68 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 312-136-6 COIL INDUCTOR CHIP 2.2UH SWI0805FT2R2 L204 202-113-1

69 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 05D-221-8Z CHIP RESISTOR 220 1/16W 5% T 1005 R31 05D-472-8

7 RECEIVER VHF UHF Model Series : SD-161 SD-171 SD-164 SD-174 Sensitivity (@ 12dB SINAD) : 25 KHz Channel Spacing 12.5 KHz Channel Spacing

70 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 05D-124-4Z CHIP RESISTOR 120K 1/16W 5% T 1005 R432 05D-473-

71 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 060-202-4Z CHIP RESISTOR 2K 1/10W 5% T 2012 R710 060-3

72 11.2. PARTS LIST FOR SD-164 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 180-301-7Z METAL POLY CAP 0.33UF

73 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 131-583-5Y CHIP CERAMIC 1.5PF GRM36 COG1R5C 50V C205 130

74 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 131-128-8Y CHIP CERAMIC 11PF GRM36 COG110J 50V C603 243

75 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 312-131-1 COIL INDUCTOR CHIP 0.47UH SWI0805FTR47 L202 218-057-7

76 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 05D-154-1Z CHIP RESISTOR 150K 1/16W 5% T 1005 R37 05D-103-5

77 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 05D-363-3Z CHIP RESISTOR 36K 1/16W 5% T 1005 R438 05D-224-

78 PART NO. NAME & DESCRIPTION REF PART NO. NAME & DESCRIPTION REF 05D-222-9Z CHIP RESISTOR 2.2K 1/16W 5% T 1005 R905 05D-4

79 12. COMPONENT PINOUT BASE DIAGRAM MANUFACTURER’S PART NUMBER REFERENCE NO. SYMBOL 2SC5086 Q201.202 Q301.302 AT-41532 Q601 KTC4075 Q3.4 Q901.902

8 REFERENCE CRYSTAL VHF UHF Model Series : SD-161 SD-171 SD-164 SD-174 Frequency : 12.8MHz Holder Type : HC-18 Temperature Characteristic : ±

80 BASE DIAGRAM MANUFACTURER’S PART NUMBER REFERENCE NO. SYMBOL KDS181 (A3) D1.8.9 D402 KDS193 (F3) D2 KDS226 (C3) D601 D901.902 ZENER (5.6V)

81 BASE DIAGRAM MANUFACTURER’S PART NUMBER REFERENCE NO. SYMBOL BFG35 BLT50 Q702 NE5510279A 2SK3079A 2SK3476 Q703 SI4412DY Q801.802 TMP87PS68

82 BASE DIAGRAM MANUFACTURER’S PART NUMBER REFERENCE NO. SYMBOL CSI24WC04J IC402 EEPROM LM386M IC412 AUDIO AMP MSNBLPS IC410 6TH SWITCHED CAPACIT

83 13. SCHEMATIC DIAGRAMS This chapter contains 9 schematic diagrams as the following:  Block Diagram for SD-160 Series  Digital B’D Schematic fo

88 RF B’D Schematic for SD-171 (Reserved)

89 RF B’D Schematic for SD-174 (Reserved)

9 3. FEATURES 16 Channels The SD-160 Series(include SD-170 Series, hereinafter called “SD-160”) radio can store up to 16 channels within the same ba

93 14. CIRCUIT B’D DETAILS This chapter contains 7 circuit B’D details as the following: z Digital PCB details for SD-160/SD-170 Series z RF PCB