JRC JSS-296 Service Manual

250w/500w/800w mf/hf radio equipment. Uploaded by: Den Cakra  
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250W/500W/800W MF/HF Radio Equipment
JSS-296/596/896
Service Manual

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   Summary of Contents for JRC JSS-296

  • Page 1

    250W/500W/800W MF/HF Radio Equipment JSS-296/596/896 Service Manual...

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION ..........................1 GENERAL........................... 1 1.1.1 Installation Location ......................1 1.1.2 Grounding ......................... 1 1.1.3 Standard Components ...................... 2 1.1.4 Options ..........................2 1.1.5 Feeder kit for NAW-208S....................3 1.1.6 Installation Materials ......................4 1.1.7 Antenna Materials......................5 SYSTEM DIAGRAM ........................6 GMDSS Console system configuration ..................

  • Page 4: Table Of Contents

    NAH-692/695/698........................81 NKG-800........................... 81 Message of JSB-196GM Operation Check and Management ..........82 BLOCK DIAGRAM ........................85 JSS-296/596/896 MF/HF Radi Equipment Block Diagram ..........85 JSB-196GM MF/HF Radio Equipment Block Diagram ............86 Description ........................87 6.2.1 Signals from/to other units .................... 87 6.2.1...

  • Page 5: Introduction

    1.1.1 Installation Location Install the JSS-296/596/896 in a well-ventilated location, as free as possible from vibration so that the equipment can withstand long periods of operation. If the equipment is to be installed on the bridge, keep the equipment at a distance of 1.5 meters or more from the magnetic compass.

  • Page 6: Standard Components

    NFC-896 1.1.4 Options NAME TYPE REMARKS Q’TY Standard console for JSS-296/596/896 GMDSS Console NCU-331E/F/G and Inmarsat-C Desk top console for JSS-296/596/896 GMDSS Console NCU-324E/F/G and Inmarsat-C GMDSS Console NCU-1960 Desk top console for JSS-296/596/896 PA Rack NCU-692 For NAH-692/695/698 Printer...

  • Page 7: Feeder Kit For Naw-208s

    φ 8.2mm Wire Clip (MPBP00481) ワ イ ヤ MPBP00480 ク リ ッ プ 1 φ 6.2mm Wire Clip (MPBP00480) 製 造 会 社 日 本 無 線 株 式 会 社 図 番 6ZPKD00073 MFR'S NAME JAPAN RADIO CO.,LTD. DRW. No.

  • Page 8: Installation Materials

    ア ー ス 板 6ZZKD01031 COPPER 0.3t 2 1200 Earth Plate (6ZZKD01031) コ ネ ク タ M-P-7(Y-A1) 5 Connector (5JAAB00032) 製 造 会 社 日 本 無 線 株 式 会 社 図 番 6ZPKD00074 MFR'S NAME JAPAN RADIO CO.,LTD. DRW. No.

  • Page 9: Antenna Materials

    ク リ ッ プ 1 φ 6.2mm Wire Clip (MPBP00480) コ ネ ク タ M-P-7(Y-A1) 5 Connector (5JAAB00032) 製 造 会 社 日 本 無 線 株 式 会 社 図 番 6ZXKD53125 MFR'S NAME JAPAN RADIO CO.,LTD. DRW. No.

  • Page 10: System Diagram

    2. SYSTEM DIAGRAM 2.1 GMDSS Console system configuration NCU-331E /F/G(1) Antenna Tuner is installed indoors. Figure 2-1 NCU-331E/F/G (1)

  • Page 11

    NCU-331E /F/G(2) Antenna Tuner is installed in the outdoors. Figure 2-2 NCU-331E/F/G (2)

  • Page 12

    NCU-324E/E/F/G, NCU-692 Antenna Tuner is installed indoors. Figure 2-3 NCU-324E, NCU-692...

  • Page 13

    NCU-1960, NCU-692 Antenna Tuner is installed indoors. Figure 2-4 NCU-1960, NCU-692...

  • Page 14

    NCU-692, NQE-3196 Antenna Tuner is installed indoors. Figure 2-5 NCU-692, NQE-3196...

  • Page 15: Gmdss Console Interconnection Diagram

    2.2 GMDSS Console Interconnection diagram NCU-331E/F/G Figure 2-6 NCU-331E/F/G...

  • Page 16

    NCU-324E/F/G Figure 2-7 NCU-324E/F/G...

  • Page 17

    NCU-1960 Figure 2-8 NCU-1960...

  • Page 18

    NCU-692 Figure 2-9 NCU-692...

  • Page 19: Installation

    3. INSTALLATION 3.1 SELECTING THE ANTENNA LOCATION The antenna is the electrical conductor that radiates the RF (Radio Frequency) energy from the transmitter and picks up radio signals from other stations for the receiver. There are many antenna types and configurations. The most common are the vertical whip (10 meters in length) and the long wires (10 to 20 meters in length).

  • Page 20

    ANTENNA HOT MIC ANTENNA VOLTAGE ANTENNA MF/HF CAUSE ELECTRICAL TUNER RADIO SHOCK TO OPERATOR COPPER STRAP ANTENNA BEGINS HERE COUNTERPOISE INCORRECT (a) Improper counterpoise RADIO IS AT GROUND POTENTIAL ANTENNA MF/HF ANTENNA ANTENNA RADIO TUNER BEGINS HERE COUNTERPOISE CORRECT (b) Proper counterpoise Figure 3-1 Comparison of antenna Electrical Origin...

  • Page 21: Mf/hf Radio Equipment Installation

    Doing so may cause fire, electric shock, or malfunction. Install the JSS-296/596/896 MF/HF Radio equipment in a location that meets the following conditions: ・ A location with minimum vibration. ・ A location with sufficient ventilation.

  • Page 22: Gmdss Console Installation

    3.2.2 GMDSS Console Installation NCU-331E/F/G Figure 3-3 NCU-331E/F/G GMDSS Console NOTE: The Power Amplifier of NCU-331F is the NAH-695. The Power Amplifier of NCU-331G is the NAH-698.

  • Page 23

    NCU-324E/F/G Figure 3-4 NCU-324E/F/G GMDSS Console...

  • Page 24

    NCU-1960 Figure 3-5 NCU-1960 GMDSS Console...

  • Page 25: Ncu-692 Pa Rack Installation

    3.3 NCU-692 PA RACK INSTALLATION Figure 3-6 NCU-692 PA RACK...

  • Page 26: Antenna Tuner Installation

    3.4 ANTENNA TUNER INSTALLATION CAUTION Place Antenna Tuner, antenna and counterpoise in position where no one touches them. Doing not so, may cause electrical shock. Install the Antenna Tuner in a location that meets the following conditions: ・ A location with minimal vibration. ・...

  • Page 27: Indoor Installation

    3.4.1 Indoor Installation Prior installation, complete the necessary preparation for the mounting brackets, grounding and laying of cables. Grounding is very important for the transmission and reception of radio waves not only by preventing induction impedance and reducing harmful noise but also by effecting antenna performance. Take sufficient caution when performing grounding work and follow the instructions carefully.

  • Page 28: Outdoor Installation

    3.4.2 Outdoor Installation Pre-installation Precautions (a) If installing the Antenna Tuner on a pole, secure the pole to a cross beam plate for reinforcement, and if necessary, brace with a stay. Also remember to take into consideration the required strength and ability to withstand vibrations and corrosion when making the pole and setting the angle.

  • Page 29

    Antenna Tuner TO ANTENNA TENSION ABSORBING INSULATOR SERVICE MOUNTING BRACKET SHIP WALL MIN. 50 4-M10 MOUNTING BRACKETS (DOCK supply) ANTENNA TERMINAL(*2) EARTH PLATE MOUNTING BRACKETS (DOCK supply) SOLDERING RUBBER VENTILATION TUBE GROUNDING RF CABLE TERMINAL(*1) MOUNTING BRACKETS L=0.2m (DOCK supply) CONTROL CABLE L=0.6m WELDING...

  • Page 30

    Bolting the Antenna Tuner When bolting the Antenna Tuner, use the rubber bonded washers and anti-corrosion insulation sheets provided and affix in all four locations according to Figure 3-9. Figure 3-9 Bolting the Mounting Bracket...

  • Page 31

    RF Cable Use the connector to connector the high frequency cable and after sealing with self-fusion tape, wrap with vinyl tape. ANTENNA TUNER After connecting the connector, steal with self-fusion tape and then wrap with vinyl tape. Wrap SELF-FUSION TAPE: Wrap a min.

  • Page 32

    3.5 Junction Box INSTALLATION Outline drawing 4-Φ9 Cable Gland Cable Gland 110±0.5 Figure 3-12 NQD-4190 Junction Box...

  • Page 33

    CAUTION In NFC-296 numbered BC24351 or later, RBK signal cable is added to control signal. So confirm the serial number when installing the NFC-296. Connection Diagram NFC-296 numbered BC24351 or later / NFC-896 NQD-4190 NFC-296/896 ANTENNA TUNER MPYCYS-12 GMDSS CONSOLE TERMINAL Junction Box ATTACHED CABLE REMARK...

  • Page 34

    NFC-296/896 ANTENNA TUNER ATTACHED CABLE NQD-4190 Junction Box CABLE GLAND 15b VINYL-SHIELDED WIRE WITH 7 STRANDS AND 0.45mm DIAMETER, OR EQUIVALENT Gather and twist shielding braided wires and solder to the vinyl-shielded wire. CABLE GLAND 30a 1mm~1.5mm Wind the Self-adhesive tape around the MPYCYS-12.

  • Page 35

    NQD-4190 Junction Box Junction Box (GND) Terminal No. GMDSS CONSOLE/PA RACK Terminal block Figure 3-14 Junction Box-GMDSS CONSOLE/PA RACK cable connection...

  • Page 36: Printer Installation

    3.6 Printer INSTALLATION Install the Printer in a location that meets the following conditions: ・ A location with minimal vibration. ・ A location where the distance between the Printer selector and Printer does not exceed the length of the dedicated cable with connector (L=1.5m). ・...

  • Page 37

    CAUTION Notes on using the printer Be sure to turn OFF the printer’s power when opening and closing the printer cover. Failure to comply could result in electrical shock, failure, or injury. Do not drop or strike the printer. Doing so may cause failure or malfunction. Just after printing, the temperature of the printing head is high.

  • Page 38: Names And Functions

    3.6.2 Names and Functions...

  • Page 39: Operating Panel

    3.6.3 Operating Panel From the operating panel, switching on-line/off-line, selecting of high quality characters, forced line feed, and forced page feed can be controlled.

  • Page 40: Opening / Closing The Printer Cover

    3.6.4 Opening / Closing the Printer Cover When opening the printer cover, move the paper roll stand unit one step back. To open/close the printer cover, follow the procedures consecutively. CAUTION Be sure to turn OFF the printer's power when opening and closing the printer cover. Failure to comply could result in electrical shock, failure, or injury.

  • Page 41: Replacing The Roll Paper

    Open the printer cover. 3.6.5 Replacing the Roll Paper When replacing the paper roll, proceed as follows. CAUTION Be sure to turn OFF the printer power when opening and closing the printer cover. Failure to comply could result in electrical shock, failure, or injury. Just after printing, the temperature of the printer head is high.

  • Page 42

    Attach the roll bar with the paper roll onto the paper roll stand unit holder, taking care to notice he paper roll's direction. Set the sensor guide lever so that it touches the paper roll. ・ Perform the consecutive procedures while the printer cover is open. Note ・...

  • Page 43

    Insert the leading edge of the paper from behind the platen Turn the paper feed knob and pull out the leading edge of the paper. Adjust the paper position for both sides of paper in and paper out, so that the left and right guide rings of the paper guide bar support the paper lightly.

  • Page 44

    Pull down the reflection lever. The paper touches the platen securely. Pull down the reflection lever. Lift the paper setting lever to harness the paper emerging from the platen. First, insert the axis of the left side of the paper roll cover into the left hole of the paper roll stand, then set the right side.

  • Page 45

    Lower the paper roll cover and then push down the paper support bar. Close the printer cover. For further details of steps 11 through 13, refer to 3.6.4. Pull the paper roll stand unit one step forward. Turn the screws tightly to stabilize the paper roll stand unit.

  • Page 46: Replacing The Ribbon Cassette Cartridge

    3.6.6 Replacing the Ribbon Cassette Cartridge When the printing quality becomes faint, replace the ribbon cassette cartridge with a new one. To replace, proceed as follows. CAUTION Be sure to turn OFF the printer power when opening and closing the printer cover. Failure to comply could result in electrical shock, failure, or injury.

  • Page 47

    Turn the cassette knob of the new ribbon cassette cartridge counterclockwise to increase the tension of the ribbon. Manually, move the printing head to the home position (left side) and place the ribbon cassette cartridge in the printer so that the ribbon is positioned between the ribbon mask and the printing head.

  • Page 48: Adjusting The Printing Pressure (to Printing Paper Thickness)

    3.6.7 Adjusting the Printing Pressure (to Printing Paper Thickness) The printing pressure can be adjusted with the head adjust lever located on the right side of the inner part of the printer. CAUTION Be sure to turn OFF the printer power when opening and closing the printer cover. Failure to comply could result in electrical shock, failure, or injury.

  • Page 49: Connection Of Nch-321a Distress Message Controller

    3.7 Connection of NCH-321A Distress Message Controller Connect the NCH-321A Distress Message Controller according to the serial number of NCT-196N as follows. NCT-196N numbered GA13417 or later. NCT-196N NCU-324/331 NCH-321A DMC TERMINAL GMDSS CONSOLE DMC_DAL DMC_DRQ DMC_DRA DMC_SEL DMC_RDY +12V +9V SP_OUT DC_OUT...

  • Page 50: Initial -setting

    4. INITIAL-SETTING 4.1 Unit setting procedure Start NAH-692/695/698 Power Amplifier DC power Supply unit DC source Battery Set the charge function to ON Set the Charge Function to OFF (Refer to 4.2.1) (Refer to 4.2.1) Adjust the charge voltage (Refer to 4.2.2) Set the battery operation (Refer to 4.2.3) NKG-800...

  • Page 51: Nah-692/695/698 Power Amplifier, Power Amplifier

    4.2 NAH-692/695/698 Power Amplifier 4.2.1 Charge Function setting If the battery charge function is not required, set the charge function to OFF by the “CHARGE FUNCTION” menu. Procedure (a) Turn on the “AC” and “DC” switch, pressing MENU . (b) Press MENU and turn the dial to “CHARGE FUNCTION” menu on the LCD. (c) Press ENT and set with the dial “ON”...

  • Page 52: Battery Operation Setting

    (f) Press ENT and turn the dial to “ORDINARY” voltage on the LCD. CHG VOLT ADJUST ORDINARY 26.2V (g) Adjust the Floating Charge Voltage by RV1. (h) Turn the dial to “EQUAL” voltage on the LCD and adjust the Equal Charge Voltage by RV2. CHG VOLT ADJUST EQUAL 29.4V...

  • Page 53: Bias-level Adjustment

    (b) Pull out the Power Amplifier unit from console. (c) Remove the upper panel of Power Amplifier unit. (d) Turn on the “AC” switch, pressing MENU . (e) Press MENU and turn the dial to “80V ADJUST” menu on the LCD. (f) Press ENT and adjust the PA(A) Vc to 78V by RV3.

  • Page 54: User Definitions (level 2 Menu)

    (k) Then gradually turn RV2 on the PA CONTROL UNIT clockwise until PA BIAS reading becomes 2.0A. PA BIAS ADJUST 2.0 A (l) When PA CONTROL UNIT is CMC-2695 or CMC-2698, adjust RV101 and RV102 continuously. RV101: 2.0A 3.0A RV102: 3.0A 4.0A (m)When PA CONTROL UNIT is CMC-2698, adjust RV201 and RV202 continuously.

  • Page 55: Nkg-800 Printer

    4.3 NKG-800 Printer 4.3.1 Character setting Set the DIP switch to select a language, character set, or particular function. ATTENTION Before beginning the procedure, be sure to turn the power OFF. Failure to do so may cause electrical shock, malfunction or injury. Just after printing, the temperature of the printer head is high.

  • Page 56

    (c) Set the all DIP switches as OFF. (d) When settings are completed, put the partition cover back in its place, set up the ribbon cassette, and then close the printer cover. ・ When printing under the current setting status, the printer is set to an off-line state. When the test Note pattern is completely printed out, it is automatically set to an on-line state.

  • Page 57: Printer Selector

    ・ Show the Dip switch setting for each equipment below. Note Equipment DIP switch setting DIP switch JSS-296/596/896 (NCT-196N/NDZ-127J) JSS-825D (NCT-620D) NCT-196 NCT-196N DIP switch JSS-296/596/896(NCH-1961/1962) JSS-850 JUE-75C (NDZ-127C) DIP switch JSS-825NA/NC (NDZ-127N) 4.4 Printer selector Set the MODE and TIME OUT switches as follows.

  • Page 58: Nct-196n Dsc/nbdp Modem

    4.5 NCT-196N DSC/NBDP Modem 4.5.1 Self ID, Navigation and Radiotelephone Setting The settings described in this section have been made prior to shipment from the factory. ATTENTION To enable setting adjustment, remove the cover of the NCT-196N DSC/NBDP MODEM and insert the switch(S1)-No.3 into the OFF. When adjustment is complete, re-insert the switch(S1)-No.3 into the ON and replace the cover.

  • Page 59

    ▼ ▲ (b) Select “Self-ID” using , input the Self-ID (9-digit) using the number keys and press ▼ If a Group-ID is assigned, select “Group-ID” using ▲ , input the Group-ID (8-digit) and press ▼ ▲ (d) Select “Navigation” using , specify the navigation data format using press ATTENTION...

  • Page 60: Frequency Scanning / Frequency Calling / Date & Time Settings

    4.5.2 Frequency Scanning / Frequency Calling / Date & Time Settings Perform these settings from the “SETUP” display. 4.5.2.1 Displaying the “SETUP” display Procedure (a) Confirm that the “DSC watching” display appears. DSC watching 06.Sep.2001(Thu) 01:26 N12’34 E123’45 SPEED:12.4KT at 01:26 Self-ID = 111111111 [UTC] The “DSC watching”...

  • Page 61: Scanning Frequency Settings

    4.5.2.2 Scanning Frequency settings Set the frequency to a maximum of six channels, [1] through [6]. Procedure (a) Press from the “SETUP” display and then press SETUP Select no. 1.Date&time edit 2.Position edit 3.Calling frequency registration 4.Address registration ▼ ▲ to scroll.

  • Page 62: Calling Frequency Settings

    4.5.2.3 Calling Frequency settings Set the frequency to a maximum of six channels, [1] through [6]. Procedure (a) Press from the “SETUP” display and then press SETUP Select no. 1.Date&time edit 2.Position edit 3.Calling frequency registration 4.Address registration ▼ ▲ 5.Distress setup to scroll.

  • Page 63: Date & Time Settings

    4.5.2.4 Date & Time Settings Set the date(Year,Month,Day), time and the time difference between local time and UTC (Universal Time Coordinated) time. Procedure (a) Press from the “SETUP” display and then press SETUP Select no. 1.Date&time edit 2.Position edit 3.Calling frequency registration 4.Address registration ▲...

  • Page 64: Dsc Space And Mark Measurement

    4.5.3 DSC Space and Mark Measurement Procedure (a) Connect the frequency counter to Pin No.4 (Line out(+)) and Pin No.5 (Line out(-)) of the TRX/NMEA. TRX/NMEA Line out (-) Line out (+) (b) Change the switch (SW1) No.4 to off before power on. And then both press and “POWER MENU SWITCH”...

  • Page 65: A Reference Method Of Distress Transmission History

    4.5.4 A reference method of Distress Transmission History Procedure MENU (a) Change the switch (SW1) No.4 to off before power on. And then both press and “POWER SWITCH” to access the following the “INSTALLATION SETUP” menu. Select “History” using ▲ ▼...

  • Page 66: Operation Check

    4.5.5 Operation Check After installation, execute the operation check with the self-diagnosis function. Procedure (a) Confirm that the “DSC watching” display appears. DSC watching 06.Sep.2001(Thu) 01:26 N12’34 E123’45 SPEED:12.4KT at 01:26 Self-ID = 000000000 [UTC] The “DSC watching” display appears when the power is turned on. Almost all Note operations start from this display.

  • Page 67

    An internal loop is constructed when the modulator and demodulator are connected internally, then a preset test message is transmitted. Both the transmitted and received messages are printed out, as shown below, in order to confirm that both messages are the same. If the printer is not connected, confirm the received message via the display.

  • Page 68: Ndz-127j Data Terminal

    4.6 NDZ-127J Data Terminal 4.6.1 NBDP setting ATTENTION To enable setting adjustment, remove the cover of the NCT-196N DSC/NBDP MODEM and insert the switch(S1)-No.3 into the OFF. When adjustment is complete, re-insert the switch(S1)-No.3 into the ON and replace the cover. Insert the S1-3 to Re-insert the OFF at the time of...

  • Page 69

    Each parameter is set as follows: ARQ/FEC 4- or 5-digit Self-ID : Press Enter and setup ID number. GFEC 4- or 5-digit Self-ID : Press Enter and setup ID number. ARQ/FEC 9-digit Self-ID : Press Enter and setup ID number. GFEC 9-digit Self-ID : Press Enter...

  • Page 70: Jsb-196gm Radiotelephone

    4.7 JSB-196GM Radiotelephone 4.7.1 Operation Check After installation, execute the operation check with the self-diagnosis function. Procedure CHECK (a) Select the MENU number 14 by the jog dial or 10key. MENU 26,145.0 Turn the jog dial RX FREQ 25,070.0 TX FREQ MENU “CHECKING NOW”...

  • Page 71: User Channel Registration

    4.7.2 User Channel Registration Ups to 200 user channels, number 1 to 200, are available for frequently use. Procedure (a) Select the MENU number 7 by the jog dial or USR MEMo keypad. 26,145.0 MENU Turn the jog dial RX FREQ 25,070.0 TX FREQ MENU...

  • Page 72: Group Name Registration For User Channel

    4.7.3 Group Name Registration for User Channel 200 user channels are separated into 10 groups, 20 channels each, for scanning reception and labels are available for easy selection. Follow the steps below to register a group name. Procedure GRP MEMo (a) Select the MENU number 8 by the jog dial or keypad.

  • Page 73: Test Tone Setting

    4.7.4 Test Tone setting Transmission by the Test Tone can be performed in the TEL mode. Procedure TESTToNE (a) In the TEL mode, select the MENU number 28 by the jog dial or keypad. 4,200.0 RX FREQ MENU Turn the jog dial 4,500.0 TX FREQ MENU...

  • Page 74: Max Power Setting

    Select TX power by the jog dial and press MF 400 RX FREQ Refer to the following TX power tables. HF 500 TX FREQ DC TX power table JSS-296/596/896 125* 150* (JSB-196GM) (*) TX power of MF band is 100W. AC TX power table Equipment JSS-296...

  • Page 75: Tx Power Adjustment

    26,000.0 - 26,999.9 27,000.0 - 27,500.0 HI, MID*, LOW HI, LOW (*) There is no setting of MID power in JSS-296. Procedure (a) Set the Max power. (Refer to 4.7.5) (b) Set the Test Tone as ON. (Refer to 4.7.4) (c) Set the TX frequency by keypad.

  • Page 76

    BAND PWR (f) Turn the dial and adjust the Exciter level. Vc 77.9 RX FREQ Ic 7.0 TX FREQ (g) Register the Exciter level and Exit menu. MENU Register the Exciter level and exit: Not register and exit: MENU back to the preceding menu:...

  • Page 77: User Channel Power Setting

    4.7.6.2 User Channel power setting Procedure (a) Set the BAND power. (Refer to 4.7.6.1) (b) Set the Test Tone as ON. (Refer to 4.7.4) ADJPoWER (c) Select the MENU number 35 by the jog dial or keypad. 4,200.0 RX FREQ MENU Turn the jog dial 4,500.0...

  • Page 78

    4.7.7 User Definitions (Level 2 MENU) POWER MENU Both press to access the following the level 2 menu. MENU Item Function Parameter Default Setting INITIAL Initialize storage memory except for TX power data. MEM CLR Initialize storage memory MD: ATU matching data individually.

  • Page 79

    PA CONT Display the NAH Power Amplifier AC/DC volt data. DC current (24Vdc current) PA in/out PA current PA (A) Vc/Ic PA (B) Vc/Ic PA (C) Vc/Ic PA SWR Arrester volt AC POWER Display the Exciter level for every transmitting output in AC operation.

  • Page 80: Set Up Of The Menu Items

    4.7.8 Set up of the MENU items ○ : Enable setting. × : Disable setting. Comment : Enable setting only when the following conditions. MENU Item Standard No connect the 10KEY KOREA Antenna Tuner ○ ○ × MODE TEL/DSC mode ○...

  • Page 81: Troubleshooting

    5. TROUBLESHOOTING 5.1 JSB-196GM Each rectangle indicates process. Each hexagon indicates decision. (1) No receiving sound No receiving sound Is [ POWER] switch pressed Press [POWER] switch 1 second 1 second or longer? or longer. I s [VOLUME] volume turned fully Turn the volume clockwise to the counter clockwise? optimum position.

  • Page 82: Nct-196n

    (2) No display on the LCD No display on the LCD Is [POWER] switch pressed Press [POWER] switch 1 second 1 second or longer? or longer. Connect the power Is the power cable disconnected? cable firmly. Determine the cause for the fuse malfunction and replace the fuse Is the fuse OK? with a new one of the same...

  • Page 83

    (2) Messages not received Messages not received Contact our service center Is the modem loop or agent. test OK? Can y ou hear Is the Self-ID number Call our service center or correct? received signal from agents to set the correct ID radio? number.

  • Page 84

    (4) Printer does not print Printer does not print Does the printer Is the mark Printer may be faulty. self-test run OK? display ed on the Contact our service center screen? or agent. Can printing be Is the connector Contact our service center performe d from connected correc...

  • Page 85: Nah-692/695/698

    5.3 NAH-692/695/698 (1) No display on the LCD No display on the LCD. Turn the dial to the right after Is the LCD pushing CLR and ENT. back-light ON? Connect the cable correctly. Is the power supply connected correctly? Check the fuse on the PS unit.

  • Page 86: Message Of Jsb-196gm Operation Check And Management

    (a) Check the cable connection between NAH ARRESTOR Suppressor circuit is as follows. CBG-2692 (TB19/TB20) JSS-296: Less than 150V CMC-2692/2695/2698 (TB1/TB2). or more than 250V. (b) Check the 80V setting (CBG-2692 RV3). JSS-596: Less than 250V or more than 350V.

  • Page 87

    CFG-896:K20-K36, K60, K61 CFF-896:K200-202 Check the control signal on CDJ-2960. (IC3-IC6, R101-R132, R54-R91) NFC check 1 : NG (a) Check the relay. DUMMY NFC check 2 : CFG-296:K10-K18, K40-K48, C-RELAY RF input level : OK K51-K54, K60, K61 SWR : OK CFG-896:K10-K18, K40-K48, K50-K51 CFF-896:K200-K204...

  • Page 88

    NAH check 2: NAH check 2 is the check of the PA. In this check, RF output is connected to the dummy load into the NFC. In the above-mentioned state, 1.6MHz RF signal is inputted into NAH Power Amplifier and check the RF input/output level, and the VSWR of the NAH.

  • Page 89: Block Diagram

    6 Block diagram 6.1 JSS-296/596/896 MF/HF Radio Equipment block diagram NFC-296/896 NAH-692/695/698 POWER AMPLIFIER TX ANT ANTENNA TUNER AC IN DC80V RF (TX) AC/DC x2 MATCHING NAH-692 : 90-264V 692:PA x 1 NAH-695/698:180-264V DC/DC x3 UNIT 695:PA x 2 698:PA x 3...

  • Page 90: Jsb-196gm Mf/hf Radio Equipment Block Diagram

    6.2 JSB-196GM MF/HF Radio Equipment block diagram...

  • Page 91: Description, Signals From/to Other Units

    6.2.1 Descriptions The JSB-196GM consists TRX unit type CMN-1960, PA unit type CMN-1960 and Control unit type CDJ-1960. The Control unit consists the CPU, audio amplifier for handset microphone and 1500Hz test tone generator. The CPU controls the TRX unit, PA unit and input/output signals from/to connected units.

  • Page 92: Nct-196n Dsc/nbdp Modem Block Diagram

    6.3 NCT-196N DSC/NBDP Modem block diagram...

  • Page 93

    6.3.1 Descriptions NCT-196N DSC/NBDP modem consists the control board type CDJ-1999N, the W/K RF AMP type CAF-450, W/K control type CDJ-1701 and the Mother board type CQC-1962. The W/K RF AMP consists the RF filter, RF amplifier, IF amplifiers, IF filters, mixers and BK relay.

  • Page 94

    6.3.2 Signals from/to the other units From/ Connecter Signal Description Name Name Receive RF IN Receive signal for watch keeping receiver. antenna Receive data from the Transceiver (JSB-196GM). Transmission data to the Transceiver (JSB-196GM). EXT KEY External key signal to the Transceiver (JSB-196GM). TRANS- Signal ground.

  • Page 95

    6.4 NAH-692/695/698 Power Amplifier block diagram CONT DC24V +BK/RBK DC24V DC80V...

  • Page 96

    6.4.1 Descriptions The PA unit consists the PA control unit, the PA unit(s), the main control unit, and the PS unit. NAH-296 has one PA unit. NAH-695 has two PA units. NAH-698 has three PA units. The PA control sprits the RF IN signal for each PA unit and combine the output from each unit when AC operation.

  • Page 97: Nfc-296/896 Antenna Tuning Unit Block Diagram

    6.5 NFC-296/896 Antenna Tuning Unit block diagram LOW_R SWR_Vr SWR_Vf L_PHASE...

  • Page 98

    6.5.1 Descriptions The tuner consists the PA control, the matching unit and CS unit. The PA control controls the tuning and store the tuning data for each channel. The matching unit consists the forward/return wave sensor, antenna current sensor, Ci, L, Co, Cp, Cs and relays. The CS unit ground the antenna when the RBK signal is not activated (High).

  • Page 99: Parts List

    W/K CONTROL CDJ-1701 CDJ-1701 CONTROL BOARD CDJ-1999N CDJ-1999N PANEL BOARD CDT-1962 CDT-1962 MOTHER BOARD CQC-1962 CQC-1962 PA (JSS-296) NAH-692 NAH-692 PA (JSS-596) NAH-695 NAH-695 PA (JSS-896) NAH-698 NAH-698 (296x1 / 596x2 / 896x3) PA UNIT CAH-2692 CAH-2692 (296/596/896) PS UNIT...

  • Page 100: Check List

    8. Check list Check items Content Result There is no damage and have a good isolation Antenna installation against grounding. Antenna type (Wire / Whip) The ground plate is welded near the tuner and General Tuner grounding cupper plate is not damaged. Tuner location (Indoor / Outdoor) Self check Carry out Menu 14.

  • Page 105

    Appendix B Circuit diagram JSB-196GM RADIOTELEPHONE JSB-196 CHASSIS CDJ-1960 CONTROL UNIT CAH-1960 PA UNIT CMN-1960 TRX UNIT NCT-196N DSC/NBDP NCT-196N CHASSIS CDJ-1999N CONTROL BOARD CDJ-1701 W/K CONTROL CAF-450 W/K RF AMP CDT-1962 PANEL BOARD CQC-1962 MOTHER BOARD NAH-692/695/698 POWER AMPLIFIER NAH-692 CHASSIS NAH-695...

  • Page 151

    TECHNICAL INFORMATION FROM NETWORK AND COMMUNICATION GROUP Subject : Earth connection of TX antenna in NFC-296 Antenna Tuner Equipment : NFC-296 Antenna Tuner for JSS-296 MF/HF Radio Equipment Date : Feb 22, 2005 Issue Number : JD-1307-05 M.Takayama Manager, Network and Communication Group...

  • Page 152

    From BC22067 to BC24090 Outlines Problem: In NFC-296 Antenna Tuner for JSS-296 MF/HF Radio Equipment, TX antenna may be not connected to the earth in standby condition. Countermeasure: Replace CFG-296 Matching Unit and Control cable in NFC-296 Antenna Tuner with followings according to attached document “CFG-296 Matching Unit replacement procedures”...

  • Page 153

    JD-1307-05 Attachment 1 1/11 CFG-296 Matching Unit replacement procedures Outline In CFG-296 Matching Unit of NFC-296 Antenna Tuner, there are the following PCB versions. PCB version: 7PCJD0099A (Stock code: CFG-296) PCB version: 7PCJD0099C (Stock code: CFG-296-A) Therefore, in replacing CFG-296 Matching Unit, refer to the following table and choose the PCB version. The PCB version Condition of Tx antenna in the standby Replaceable...

  • Page 154

    JD-1307-05 Attachment 1 2/11 CFG-296 replacement procedures A At ship (Tanker etc.) which needs to connect Tx antenna to the earth at standby condition, replace the PCB of 7PCJD0099A of CFG-296 with 7PCJD0099C according to this procedures. Outline figure NCU-331 GMDSS CONSOLE NQD-4190 NFC-296 or NCU-692 PA RACK...

  • Page 155

    JD-1307-05 Attachment 1 3/11 Procedure 1. Turn off AC and DC switches of NAH-692/695/698. 2. Remove earth wire, shade cover and upper cover. Unscrew 6 screws. Unscrew 6 nuts. Remove earth wire. Control cable L=1.3m NQD-4190 Junction Box MPYCYS-12 3. Replace CFG-296 of 7PCJD0099A with 7PCJD0099C. Remove antenna wire 17 screws CFG-296...

  • Page 156

    JD-1307-05 Attachment 1 4/11 5. Replace control cable between NFC-296 and NQD-4190 with 7ZCJD0258. NFC-296 side Connection of CDJ-2960 Connect to J2 on CFG-296. CFG-296 Connect to J2. TB1 CDJ-2960 Replace control cable with 7ZCJD0258. NQD-4190 side Replace control cable with 7ZCJD0258.

  • Page 157

    JD-1307-05 Attachment 1 5/11 6. Remove the front panel of NCU-331/692. Unscrew 4 screws. 7. Connect “RBK2” wire to NCU-331/692 terminal block No.6. NCU-331/692 Terminal connection MPYCYS-12 To NQD-4190 RBK2 Solder the "RBK2" wire to unusing wire and insulate it (GND) with vinyl tape.

  • Page 158

    JD-1307-05 Attachment 1 6/11 CFG-296 replacement procedures B At ship which does not need to connect Tx antenna to the earth at standby condition, the replaceable PCB versions of CFG-296 are 7PCJD0099A and 7PCJD0099C. When replacing CFG-296 of 7PCJD0099A with 7PCJD0099A or 7PCJD0099C is needed, refer to this procedures.

  • Page 159

    JD-1307-05 Attachment 1 7/11 Procedure 1. Turn off AC and DC switches of NAH-692/695/698. 2. Remove earth wire, shade cover and upper cover. Unscrew 6 screws. Unscrew 6 nuts. Remove earth wire. Control cable L=1.3m NQD-4190 Junction Box MPYCYS-12 3. Replace CFG-296 of 7PCJD0099A with 7PCJD0099A or 7PCJD0099C. Remove antenna wire 17 screws CFG-296...

  • Page 160

    JD-1307-05 Attachment 1 8/11 4. Connect the control cable, antenna wire, copper plate and RF cable disconnected in the paragraph 3. Connection of CDJ-2960 Connect antenna wire CFG-296 TB1 CDJ-2960 Connect control cable. Connect copper plate. Connect RF cable. 5. Return the upper cover of NFC-296. Note (a) Confirm connections of cables and connector before returning the upper cover.

  • Page 161

    JD-1307-05 Attachment 1 9/11 CFG-296 replacement procedures C If PCB version of CFG-296 in NFC-296 is 7PCJD0099C, the replaceable PCB version of CFG-296 is 7PCJD0099C only. When replacing CFG-296 of 7PCJD0099C is needed, refer to this procedures. Outline figure NCU-331 GMDSS CONSOLE NQD-4190 NFC-296 or NCU-692 PA RACK...

  • Page 162

    JD-1307-05 Attachment 1 10/11 Procedure 1. Turn off AC and DC switches of NAH-692/695/698. 2. Remove earth wire, shade cover and upper cover. Unscrew 6 screws. Unscrew 6 nuts. Remove earth wire. Control cable L=1.3m NQD-4190 Junction Box MPYCYS-12 3. Replace CFG-296 of 7PCJD0099C. Remove antenna wire.

  • Page 163

    JD-1307-05 Attachment 1 11/11 4. Connect the control cable, antenna wire, copper plate and RF cable disconnected in the paragraph 3. Connection of CDJ-2960 Connect to J2 on CFG-296. Connect antenna wire. CFG-296 Connect to J2. TB1 CDJ-2960 Connect control cable. Connect copper plate.

  • Page 164

    JD-1307-05 Attachment 2 1/4 NFC-296 Antenna Tuner / CFG-296 Matching Unit circuit diagram 1. NFC-296 Antenna Tuner (PCB version of CFG-296 is 7PCJD0099A) (7PCJD0099A)

  • Page 165

    JD-1307-05 Attachment 2 2/4 2. NFC-296 Antenna Tuner (PCB version of CFG-296 is 7PCJD0099C) (7PCJD0099C)

  • Page 166

    JD-1307-05 Attachment 2 3/4 3. CFG-296 Matching Unit (PCB version is 7PCJD0099A)

  • Page 167

    JD-1307-05 Attachment 2 4/4 4. CFG-296 Matching Unit (PCB version is 7PCJD0099C) Added RBK signal...

  • Page 169

    TECHNICAL INFORMATION FROM NETWORK AND COMMUNICATION GROUP Subject : DC Breaker addition Equipment : NCU-331E/F/G, NCU-692 (JSS-296/596/896) Date : Jan 26, 2005 Issue Number : JD-1303-05 M.Takayama Manager, Network and Communication Group Engineering Department Marine Electronics Division...

  • Page 170

    Priority A: Carry out immediately B: Carry out at periodical inspection × C: Carry out upon client’s request D: Information and news 1. Subject DC Breaker addition 2. Objective Equipment NCU-331E/F/G GMDSS CONSOLE and NCU-692 PA RACK shipped before September, 2004. Outlines The objective NCU-331 GMDSS CONSOLE or NCU-692 PA RACK stops charging ship’s battery when turning off AC switch on it, but could not stop supplying battery power to peripheral equipment...

  • Page 171

    Jan 8, 2005 NCU-331 DC Breaker Addition procedures Add the DC Breaker to GMDSS CONSOLE (NCU-331E/F/G) referring to the following procedures. Connection Diagram NAH-692/695/698 NAH-692/695/698 Power Amplifier Power Amplifier AUX PS BATT BATT AUX PS Add DC Breaker DC Breaker NCU-331 NCU-331 TB101...

  • Page 172

    Jan 8, 2005 (4) Pull out the POWER AMPLIFIER. (5) Disconnect all cables on back of the POWER AMPLIFIER. (6) Check voltage between No. 3 and No. 5 of DC terminal. Check the voltage between No.3 and No.5. (7) Disconnect cables of No.3, No.4, No.5 and No.6 of the DC terminal. - 2 -...

  • Page 173

    Jan 8, 2005 (8) Cut the disconnected cables as shown below and insulate the tips of them with vinyl tape. Cut each cable at this point and insulate it. (9) Cut the BATT cable as shown below and insulate it with vinyl tape. BATT Cut the BATT cable at this point and insulate it.

  • Page 174

    Jan 8, 2005 (11) Insert this BATT cable inside the rail and fix to the bracket as shown below. Bracket Rail Fix the BATT cable with another Fixing position mark cable band. (12) Pick out the Breaker cable from Breaker Addition Kit. Breaker cable 24V(+) 24V(-)

  • Page 175

    Jan 8, 2005 (14) Connect the Breaker Cable and the BATT Cable to the breaker with four M5X8-screws contained in the Breaker Addition Kit. BATT 24V(+) 24V(+) Connect to the DC Terminal No.3-No.6 (15) Check the Breaker connection as the following table shows. BATT 24V(+) 24V(+)

  • Page 176

    Jan 8, 2005 (16) Fix the two M5X20-screws contained in the Breaker Addition Kit to tapped holes used to fix the front panel as shown below. (17) Attach Spacer contained in the Breaker Addition Kit to the upper screw only. Spacer - 6 -...

  • Page 177

    Jan 8, 2005 (18) Fix Bracket with two M5-nuts, spring washers and washers contained in the Breaker Addition Kit. W5、SW5、N5 Bracket (19) Fix the Spacer and the Breaker Bracket with two M4X12-screws contained in the Breaker Addition Kit. Breaker Bracket Spacer - 7 -...

  • Page 178

    Jan 8, 2005 (20) Fix the breaker with four M3X6-screws on the Breaker Bracket contained in the Breaker Addition Kit. (21) Check the Open/short circuit of each DC terminal by a Circuit Tester. Check Item Normal Condition No.3 and No.4 Short No.3 and No.5 Open...

  • Page 179

    Jan 8, 2005 (24) Turn off the breaker and restore the POWER AMPLIFIER to the NCU-331. (25) Fix the new front panel contained in the Breaker Addition Kit using M5-screws removed in (3) paragraph. (26) Complete this procedure by sticking the attached seal on the front panel of Radio Equipment.

  • Page 180

    Jan 8, 2005 NCU-692 DC Breaker Addition procedures Add the DC Breaker to PA RACK (NCU-692) referring to the following procedures. Connection Diagram NAH-692/695/698 NAH-692/695/698 Power Amplifier Power Amplifier AUX PS BATT BATT AUX PS Add DC Breaker DC Breaker NCU-692 NCU-692 TB101...

  • Page 181

    Jan 8, 2005 (4) Pull out the POWER AMPLIFIER. (5) Disconnect all cables on back of the POWER AMPLIFIER. (6) Check voltage between No. 3 and No. 5 of DC terminal. Check the voltage between No.3 and No.5. (7) Disconnect cables of No.3, No.4, No.5 and No.6 of the DC terminal. - 2 -...

  • Page 182

    Jan 8, 2005 (8) Cut the disconnected cables as shown below and insulate the tips of them with vinyl tape. Cut each cable at this point and insulate it. (9) Cut the BATT cable as shown below and insulate it with vinyl tape. BATT Cut the BATT cable at this point and insulate it.

  • Page 183

    Jan 8, 2005 (11) Insert this BATT cable inside the rail and fix to the bracket as shown below. Bracket Rail Fix the BATT cable with another Fixing position mark cable band. (12) Pick out the Breaker cable from Breaker Addition Kit. Breaker cable Cable band for fixing position mark 24V(+)

  • Page 184

    Jan 8, 2005 (13) Insert this Breaker cable inside the rail and fix to the bracket as shown below. Bracket Rail Fix the BATT cable with another Fixing position mark cable band. (14) Connect the Breaker cable numbered from 3 to 6 to the DC terminal respectively as follows.

  • Page 185

    Jan 8, 2005 (16) Check the Breaker connection as the following table shows. BATT 24V(+) 24V(+) Connect to the DC Terminal No.3-No.6 Between 24V(+) Between 24V(-) Breaker terminals terminals Short Short Open Open Circuit Tester Note: Turn off the Breaker after checking. (17) Turn off the Breaker and insulate Breaker terminals with vinyl tape.

  • Page 186

    Jan 8, 2005 (19) Fix the the Breaker Bracket with two S4 X 10-screws to the bracket. Breaker Bracket (20) Fix the Breaker with four M3X8-screws on the Breaker Bracket contained in the Breaker Addition Kit. (21) Check the Open/short circuit of each DC terminal by a Circuit Tester. Check Item Normal Condition No.3 and No.4...

  • Page 187

    Jan 8, 2005 voltage outputted from the battery between No.3 and No.5 of the DC terminal. (23) Restore the POWER AMPLIFIER to the NCU-692. (24) Fix the new front panel contained in the Breaker Addition Kit using M5-screws removed in (3) paragraph. (25) Complete this procedure by sticking the attached seal on the front panel of Radio Equipment.

  • Page 189

    TECHNICAL INFORMATION FROM NETWORK AND COMMUNICATION GROUP Subject : Software upgrading Equipment : JSB-196/JSB-196GM MF/HF RADIO TELEPHONE (JSS-296/596/896) Date : Nov 8, 2004 Issue Number : JD-1301-04 M.Takayama Manager, Network and Communication Group Engineering Department Marine Electronics Division...

  • Page 190

    Priority A: Carry out immediately B: Carry out at periodical inspection × C: Carry out upon client’s request D: Information and news 1. Subject Software upgrading 2. Objective Equipment JSB-196/JSB-196GM Radio Telephone of the following Serial Number at software version 3.6 or earlier.

  • Page 191

    1. Preparation 1.1 Checking of JSB-196/JSB-196GM, NCT-196N, and NDZ-127J software versions. Check the software versions according to attached document 1 “Checking of JSB-196 /JSB-196GM, JSS-296/596/896 software versions”. If software versions are the following versions, upgrade software according to this procedures. JSB-196/JSB-196GM:...

  • Page 192

    1.2.3 In the case of NCT-196N ・ROMs for replacement Write the files downloaded by "1.2.1 Program files" into ROMs using ROM writer. Refer to the following about the setup of the ROM writer. File type: INTELLEC HEX ROM type (Quantity): M27C512-12F1 (4 pieces) (*) Size: 512kbit, Access time: 120nsec...

  • Page 193

    Update the NCT-196N software according to attached document 7 “NDZ-127J (DTE) ROM replacement procedures” 5. Filling in the Upgrade Recode Fill in the required matter in attached document 8 “JSB-196/JSB-196GM, JSS-296/ 596/896 Software Upgrade Record”, and return it to the following address. Marine Service Department E-mail: tmsc@m1.jrc.co.jp...

  • Page 194

    Attached documents 1 Checking of JSB-196/JSB-196GM, JSS-296/596/896 Software versions Oct 15, 2004 JSB-196/JSB-196GM, NAH-692/695/698, NFC-196/296/896 (1) Press POWER of JSB-196/JSB-196GM. JSB-196/JSB-196GM LCD VERSIoN (2) Press MENU, 1, 5 and ENT to select the VERSION 26,145.0 menu. RX FREQ 25,070.0 (3) TRX (JSB-196/JSB-196GM) software version will be TX FREQ displayed on the LCD, by turning the dial, e.g.

  • Page 195

    2 (2) "Setting of JSB-196/JSB-196GM user channel”. Procedure In case of JSS-296/596/896, turn ON the AC switch of NAH-692/695/698. In case of JSB-196/ JSB-196GM, turn ON the DC power supply. Press both MENU and POWER to access the level JSB-196/JSB-196GM LCD 2 menu of JSB-196/JSB-196GM.

  • Page 196

    Attached documents 2 (1) Channel data record Group name: TX power level TX power level Channel number Channel name Mode RX frequency TX frequency on AC operation on DC operation 6/23...

  • Page 197

    Attached documents 2 (2) Setting of JSB-196/JSB-196GM user channel Nov 5, 2004 Register the user channel and Group name, and adjust the channel power as follows. 1. User Channel Registration The frequencies used frequently can be registered into the user channels (1ch - 200ch). USR MEMo Procedure 26,145.0...

  • Page 198

    Attached documents 2 (2) 2. Group Name Registration for User Channel 200 user channels are separated into 10 groups, 20 channels each, for scanning reception and labels are available for easy selection. Follow the steps below to register a group name. Procedure GRP MEMo (a) Select the MENU number 8 by the jog dial or keypad.

  • Page 199

    Attached documents 2 (2) 3. Channel power adjustment The transmitting power of the user channel can be adjusted. Procedure (a) Select the MENU number 28 and set the Test Tone to ON. ADJPoWER (b) Select the MENU number 35 by the jog dial or keypad.

  • Page 200

    Copy the JSB-196/JSB-196GM update software (ex. 196_V360.hex) and updating program (JSSflash_V100.exe) to the desktop of personal computer. 2. Turn OFF If the Radio Equipment is JSS-296/596/896, turn OFF the AC and DC switches of NAH-692/695/698. Turn OFF the power switch of NCT-196N.

  • Page 201

    Attached documents 3 4. Executing of updating If other applications are operating, close them. Start the updating program (JSSflash_V100.exe) on the personal computer. Select “Com port” menu, and select the connected Com port. Check only the check box of JSB-196/GM. Click the “Browse”...

  • Page 202

    Confirm that the message of “Turn ON NAH-692/695/698 and JSB-196GM within 60 seconds” is displayed on the “Operation” text box. In case of JSS-296/596/896, turn on the AC and DC switches of NAH-692/695/698. Turn on the JSB-196/JSB-196GM. Confirm that the message of “Wait for a while without operating equipment.” is displayed on the “Operation”...

  • Page 203

    Attached documents 3 4.10 Confirm that the message of “JSB is upgrading” is displayed on the “Message” text box. 4.11 About 5 minutes later, “Upgrade is complete!!” is displayed on the message window. When alarm message is displayed, redo from 4.2 after checking the setting according to the message.

  • Page 204

    Attached documents 4 JSB-196/JSB-196GM DSP ROM Replacement procedures Nov 5, 2004 Replace the ROM as follows. 1. If the Radio Equipment is JSS-296/596/896, turn off the “AC” and “DC” switches of NAH-692/695/698. 2. Remove the front panel. Unscrew 4 screws.

  • Page 205

    Attached documents 4 5. Remove the under cover of the JSB-196/JSB-196GM Unscrew 4 screws. 6. Remove the shield case Unscrew 4 screws and RF cable. 7. Replace the ROM. IC320 15/23...

  • Page 206

    Attached documents 4 8. Return them in the reverse order. 9. Check the software version as follows (1) In case of JSS-296/596/896, turn on the “AC” and “DC” switches of NAH-692 /695/698 (2) Turn on the JSB-196/JSB-196GM. (3) Select the menu 15 (VERSION) of JSB-196/JSB-196GM and check the version of DSP.

  • Page 207

    Attached documents 5 JSB-196/JSB-196GM TRX UNIT Modification procedures Nov 5, 2004 Improve the TRX UNIT CMN-1960/CMN-1960-S as follows. 1. If the Radio Equipment is JSS-296/596/896, turn off the “AC” and “DC” switches of NAH-692/695/698. 2. Remove the front panel. Unscrew 4 screws.

  • Page 208

    Attached documents 5 5. Remove the under cover of the JSB-196/JSB-196GM Unscrew 4 screws. 6. Replace C852, R442 R442 (10k→220k) C444 C852 (100μF→4.7μF) C446 Note: Be careful of the polarity of C852. ( Refer to the following figure) + - 7. Return them in the reverse order. Improving the TRX UNIT of the JSB-196/JSB-196GM is finished.

  • Page 209

    Attached documents 6 NCT-196N (MODEM) ROMs Replacement procedures Nov 5, 2004 Replace the ROMs as follows. 1. Turn OFF the “AC” and “DC” switch of NAH-692/695/698. 2. Remove the front panel. Unscrew 4 screws. 3. Pull out the Unit. Unscrew 4 screws. 4.

  • Page 210

    Attached documents 6 5. Replace the ROMs. IC407 Ver2.10 IC402 Ver2.11 IC2 Ver2.12 IC204 Ver2.11 6. Return them in the reverse order. Replacing the ROMs of the NCT-196N is finished. Turn on the power of the NAH-692/695/698 and restart the NCT-196N. 20/23...

  • Page 211

    Attached documents 7 NDZ-127J (DTE) ROM Replacement procedures Nov 5, 2004 1. ROM replacement Replace the ROM as follows. 1.1 Turn OFF the “AC” and “DC” switch of the NAH-692/695/698. 1.2 Remove the front panel. Unscrew 4 screws. 1.3 Disconnect the connectors. Disconnect each connector and earth wires.

  • Page 212

    Attached documents 7 1.5 Replace the ROM. Replace the ROM of the U28. 1.6 Return them in a reverse order. 2. Update The NDZ-127J operates on RAM program, so update the RAM program by copying ROM program as follows. 2.1 Turn on the NDZ-127J. Turn on the “AC”...

  • Page 213

    Attached documents 8 JSB-196/JSB-196GM, JSS-296/596/896 Software Upgrade Record After software is upgraded, please fill in this sheet, and return it to the following address. Note: Input a "TRP: " into the head of the subject name of an e-mail. Be sure to send back the removed ROM to the COMMUNICATION GROUP, QUALTY ASSURANCE DEPARTMENT, MARINE ELECTRONICS DIVISION Via MARINE SERVICE DEPARTMENT.

  • Page 216

    Priority: A: Carry out immediately B: Carry out at periodical inspection C: Carry out upon client’s request D: Information and news √ Subject: Notice for FEC receiving in NBDP mode 1. Objective Equipment JSS-710/720/800/825/850/296/596/896 etc. MF/HF Radio Equipment 2. Outline When receiving FEC broadcast in NBDP mode using MF/HF Radio Equipment, the receiving signal strength would be often changed by fading or external noise as the characteristic of MF/HF frequency band.

  • Page 217

    Mitaka Plant 5-1-1, Shimorenjaku Mitaka-shi, Tokyo, 181-8510 Japan Tel: +82 422 45 9538 Fax: +82 422 45 9957 To Whom It May Concern: Notice for FEC-broadcasting reception using NBDP in MF/HF radio equipment 1. Objective Equipment All kind of MF/HF radio models 2.

  • Page 220

    JSS-296/596/896 HF/MF RADIO EQUIPMENT SERVICE MANUAL...

This manual also for:

Jss-596, Jss-896

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    MF/HF JSS-2250 JRC Service Manual