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Chapter 12. Circuit explain

12.1. Overview of SRG-3150DN

SRG-3150DN MF/HF DSC RADIO equipment consists of circuit, PRINTER, ATU (SAT-100).

RX ANT

TX/RX ANT

SRG-3150DN SYSTEM

Control circuit

MF/HF Transmitting

filter Circuit

W/K Receiving Circuit

Power Amplifier Circuit

Front Panel

NBDP

SN-100

W/K

ATU

SAT-100

PRINTER

<

SRG-3150DN MF/HF BLOCK DIAGRAM >

SRG-3150DN consists of Power Amplifier circuit,

Control circuit, MF/HF Transmitting filter circuit,
Front Interface, W/K Receiving Circuit.

At the rear side of this equipment, there are

connectors connected with ATU BOX (SAT-100), SP-
1250, ALARM BOAX (SD-250) and connectors of PL-
259 type connected with aerial coaxial cable for
MF/HF transceiver / receiver and for W/K receiver, a

terminal  for  GPS  DATA  receiving,  external  BK
Connecting,  Printer  power  supply  and  besides,
connectors  for  power  supply,  fuse,  earth  terminal
for  system  earthing,  external  SPK  jack  and  D-SUB
connectors  connected  with  a  Printer,  Remote
Interface, NBDP (SN-100).

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Содержание SRG-315DN

Страница 1: ...al operation Information to user The user s manual or instruction manual for an intentional or unintentional radiator shall caution the user that changes or modifications not expressly approved by the...

Страница 2: ...atures 7 1 2 Basic Components 8 Chapter 2 Specifications 9 2 1 General specification 9 2 2 MF HF Transmitter 9 2 3 MF HF Receiver 9 2 4 DSC Digital Selective Calling W K Receiver 10 2 5 MF HF Control...

Страница 3: ...32 Chapter 8 RX of Distress general call 33 8 1 RX of Distress Alarm 33 8 2 General call RX 34 Chapter 9 How to use print 35 9 1 DPU 414 Printer 35 9 2 OKI Printer 35 Chapter 10 How to use SD 250 Ala...

Страница 4: ...mmunication in FEC mode 47 4 Receiving of FEC mode 47 5 Transmitting file 48 6 Transmitting of Macro Command 48 13 6 Other sea station or ship station edit resister frequency 48 13 7 Station print Cou...

Страница 5: ...Power Supply 54 3 Transmitter 54 4 Receiver 54 5 DSC Receiver 54 6 Switch and Display 55 15 4 NBDP SN 100 55 1 Power Supply 55 2 Screen Display 55 3 NBDP Data Receiving 55 4 NBDP Data Transmitting 55...

Страница 6: ...utton press 2 Press twice and select to RX Input frequency by No button press Ref Missing frequency range Cannot be input with alarm sound 2 3 TX RX 1 TX Can use it after inputting to the frequency TX...

Страница 7: ...ransmit signal 2 If you don t have any reply flicker the red DISTS display as follow on screen and transmit channel from 1 to 6 after 4 minutes 3min and 30sec 4min 40sec 3 Press and then stop to trans...

Страница 8: ...alarm telephone is built in SRG 3150DN You are able to use itself without NBDP terminal SN 100 NBDP function is worked by connecting SN 100 terminal However it is not available to use NBDP terminal on...

Страница 9: ...30 1 2 NBDP T 132 1 3 NBDP PLL T 133 1 4 T 025 1 5 CPU Board G 1151 1 5 KEY Board SPR8695 1 6 MF HF Distress Box SD 250 1 SCN 16 5P included 7 Printer DPU 414 1 Installation material included or OKI P...

Страница 10: ...Frequency Deflection Below 10Hz within 0 3ppm 7 Number of Channels SSB x 299 ITU x 271 DSC x 19 8 Modulation type Low power stage balanced modulation 9 Occupied Bandwidth J3E within 3kHz J2B within 0...

Страница 11: ...or each frequency and stop only when detects a 100 baud dot pattern 5 Receiving Sensitivity Character error rate is 1 x 10 2 or less at receiving input voltage 1 6 1 signal selectivity 6dB bandwidth 2...

Страница 12: ...y 40letters Standard 80letters Shortened Typing Direction Single Both Logical seek 2 Bit image graphics mode Total Dots 8 x 320 dot line Typing Direction Single Logical seek Typing width 89 6mm Typing...

Страница 13: ...MF HF control panel will light up automatically When it is transmitted to DSC AC signal will be changed to DC on upside of transceiver LCD display Moreover changing to DC mode will be displayed on do...

Страница 14: ...essages ON OFF in DSC mode 5 Selecting main menu 6 Hold this key and extend functions with random keys Selecting CH TX RX in Order Be available to select Channel and TX RX Frequency Select ATT in orde...

Страница 15: ...10 10 10 10 Switch SSB DSC mode Holing FUNC and press MODE Switch AM mode Ref SSB J3E use to voice communication DSC F1B use to digital selective calling communication 11 Matching with user s antenna...

Страница 16: ...standing wave ratio VOLT PS current IC TX current ANT Antenna currency indicate to date and time and automatic indicate to UTC when connected GPS GPS receiver q Indicate GPS received date latitude lo...

Страница 17: ...annel Speed Set speed of scan channel 0 9 0 Fastest 9 Slowest 3 Scan Frequency Set a Set value in case of scanning Frequency 3 Scan Freq Set is selected The below box shows Start End Speed Step 500 00...

Страница 18: ...8 ATU Version is selected Selected Ref if ATU DATA cable has any trouble Display Error 9 Remote Set a Set remote operating 9 Remote OFF is selected Press can be changed 9 Remote ON Display REM on the...

Страница 19: ...Key Test Test button the front screen 9 Key Test is selected When press selected button and then display title that selected button on the screen 5 3 Additional Functions ITU Channel AM mode Etc 1 ITU...

Страница 20: ...nnels Select Channel that format is Distress Press display can edit msg on the screen Or can be edited what you want FORMAT A kind of calling Distress Distress calling fixed NATURE The type of distres...

Страница 21: ...ing up and down with 1 step channel Moving up and down with 10 step channels The channel is selected The below box shows TX Freq Set TX frequency Move to TX Freq The below box shows 01 02 03 04 05 06...

Страница 22: ...d register select WORK FRQ press to change WORK FRQ POSITION Select POSITION by Input by No button c After setting items press and individual call signal transmits d When ACK response signal is receiv...

Страница 23: ...ice MENU 9 SYSTEM SET 5 ID FR TEL Set 3 Work Frequency Edit and register c After setting items press and group call signal transmits d When ACK response signal is received communication can be possibl...

Страница 24: ...Selected WORK FRQ Operational frequency Move to WORK FRQ Selected Number button input TX frequency Set up Number button input RX frequency Set up EOS Completion of DSC message EOS Auto set fixed c Fun...

Страница 25: ...00 90 E _ _ East longitude 000 180 W _ _ _ West longitude 000 180 DA _ _ Latitude range Offset Value Do _ _ Longitude range Offset Value Number button Input the value Set up Ref every press N_ _ E_ _...

Страница 26: ...g fixed CATEGORY Purpose of calling Routine use generally fixed PARTY ID Input ID Move to PARTY_ID Press Number button Input ID Set up TEL CMD1 Set Telecommand1 Move to TEL CMD1 The below box shows Go...

Страница 27: ...to respond to distress signal and manual relay of the distress message 6 Dist ack rly msg edit is selected The below box shows b It is memory channel using from 400 to 499 as right on the top Ref Movi...

Страница 28: ...ted POSITION Input the Position of the vessel in distress Move to POSITION The below box shows N _ _ _ _ _ _ _ _ E _ _ _ _ _ _ _ _ _ North latitude 00 00 0000 90 00 0000 east longitude 000 00 0000 180...

Страница 29: ...hannel c If this mode is selected with the printer connected printing of the message starts automatically 9 System Set a in case of setting the value of SYSTEM 9 System Set is selected The below box s...

Страница 30: ...elect Character move The below box shows 0 0 0 0 0 0 0 0 0 Number button Input ID Set up If want to return menu Ex How to input ID and ship s name SAMYUNG 101010000 It is input as below Ref Blank is f...

Страница 31: ...selected The below box shows 1 Dot Transmit 2 Mark transmit 3 Space Transmit Send Dot signal only Send Mark signal only Send space signal only Ref select on of them by press and then it is transmitte...

Страница 32: ...Range is selected Press to change 120 240 360 500 600 NM Ref MENU 4 Geography msg edit on screen In case of setting PARTY AD area range just input latitude and longitude and press and then setting val...

Страница 33: ...01 02 03 04 05 06 2 187 5 4 207 5 6 312 0 8 414 5 12 577 0 16 804 5 2 If don t have a answer flicker DISTS LED and shown following screen and then after 4 minutes 3min 30sec 4min 40sec transmit chann...

Страница 34: ...RX Press button to stop the alarm Press button and stop the alarm Rx ACK within 3 min from CRS Alarm sounds Check the saved messages Beyond 150 nm from own ship Is the distressed vessel near own ship...

Страница 35: ...is on ACK reply is transmitted Automatically the frequency is shifted to voice communication frequency and then voice communication is possible RX Individual Call In case Auto ACK set is off press but...

Страница 36: ...PER COVER Store up the paper inside it 3 Usual operation Check the main unit of SRG 3150DN is turned on If power on it is able to print TX RX DSC MESSAGE and DATA from SRG 3150DN automatically 4 How t...

Страница 37: ...In case of AC Power stopping the buzzer is ringing and LED green light of AC OFF is on In order to stop the buzzer s ringing you can turn to OFF in the switch of ALARM 11 3 How to Charge 1 In case of...

Страница 38: ...er circuit Control circuit MF HF Transmitting filter circuit Front Interface W K Receiving Circuit At the rear side of this equipment there are connectors connected with ATU BOX SAT 100 SP 1250 ALARM...

Страница 39: ...3 and IF amplifier Q21 Q23 Q950 and In 3 rd MIXER IC15 it is demodulated to a signal of baseband with BFO Beat Frequency OSC The demodulated signal is divided to 3 species as follows Amplifiable signa...

Страница 40: ...oltage to be constant voltage in each unit AUDIO AMP for external speaker and operate through DC INPUT 24V BATTERY Main Power Circuit and Power Control Circuit When switch on it controls Relay goes th...

Страница 41: ...pass signal LOCAL CONTROL to indicate various information receiving frequency receiving mode band width set by operating panel of controller unit and transmit in control unit Except this function in c...

Страница 42: ...iate frequency 1 st IF 49 455MHz and it goes through X tal filter IF amplifier then is supplied to 2 nd MIXER and in 2 nd MIXER is mixed with 2 nd local frequency W K 2 nd LO 49MHz and converted to 2...

Страница 43: ...onnector Control Cable AC DC Power Supply SP 1250 connector AC DC Detect ALARM BOX ALARM BOX SD 250 connector PRT or D L 9 PRINTER OKI DPU 414 connector or PROGRAM Down Load connector REMOTE 9 REMOTE...

Страница 44: ...g up down button OFF 0dBm 2 20 dBm 1 10dBm 3 30 dBm Adjust TX power HIGH MID LOW Profit of input signal ON OFF automatically Volume sound is displayed on Graphic bar 0 100 levels 2 Initial screen func...

Страница 45: ...button b Input the frequency with Number button Ref While inputting frequency if press curser will move c Press Enter button Ref Available RX Frequency range 95 KHz 29 99999MHz 3 Coast Radio Station...

Страница 46: ...an keep communicating in this condition b After typing the message with keyboard press Enter button Ref Back space delete one character on the left Before you press Enter button transmitting is not co...

Страница 47: ...reen Ref pressing F8 button is able to stop transmitting 13 5 FEC mode 1 Connecting the other station by Selective FEC mode Communication with present selecting Channel a Press F2 button on the keyboa...

Страница 48: ...jklmnopqrstuvwxyz Back space Delete one character on the left Enter Send one line Left Shift Space Convert language English Russian Korean is selected Korean English shift English is selected English...

Страница 49: ...ship station edit resister frequency a Press F10 button on the keyboard and Main Menu screen shows b Move the cursor to 2 Station Edit with button Press Enter and the following screen shows c Revert t...

Страница 50: ...stration of macro command Can resister TXL number that is often used or abbreviated words in 20 words a Press F10 button on the keyboard and Main Menu screen shows b Move the cursor to 4 Macro Command...

Страница 51: ...d and back to Main Menu Ref this will be done during installation and the user can not change 2 Setting of 1 ARQ FEC 9 digit ID After b select 1 ARQ FEC 9 digit ID Enter input the ID with Number butto...

Страница 52: ...X starting message X Not Recognized as NAVTEX starting message Ref A B D is set up as RX always 8 Selecting of 7 NAVTEX ID Data Clear Use this menu to delete the received Navtex ID How to set up After...

Страница 53: ...ves the signal and compensate the 1st local frequency 6 Freq Shift View After Freq Shift Correct this shows how well the frequency compensation is done Ref press Enter button or ESC button and it will...

Страница 54: ...uld be mixed And then MARK 1 7kHz 85Hz and SPACE 1 7 kHz 80 Hz signals are generated One side is delivered to SRG 3150DN through attenuator and matching tool 14 4 Local Synthesizer board T 133 As T 13...

Страница 55: ...eiver d After connecting the high frequency wattmeter between this equipment and ATU measure the progress wave and the reflected wave If the VSWR Voltage Standing Wave Ratio is less than 2 1 the conne...

Страница 56: ...d Firstly check that ANT is correctly connected Check that 12V is generated on U1 of T 025 Check that SRG 3150DN receive W K signal If SRG 3150DN does not receive W K signal Check the third pin IC4 of...

Страница 57: ...56 Chapter 16 Circuit Diagram External Diagram...

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