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5 - 10 

5.2.4.7. Setting for full-duplex or semi-duplex in duplex channel 

Selecting the duplex operating mode or semi-duplex operating mode. 

After operating in Paragraph 5.2.1. as page 1, operate as follows: 

Operation 

Display 

remarks

 

88 

or

 S

 

Entering the setting for duplex operating 

mode or semi-duplex operating mode. The 

existing mode will be displayed on LED. 

 

or

 1 

or

 S

 

select the duplex operating mode or 

semi-duplex operating mode 

0: duplex 

1: Simplex 

 

89 

save and exit this setting 

(for saving data to EEPROM) 

or 

 

88

 

exit this setting 

(for not saving data to EEPROM) 

turn off the S2(dip sw)-4 on CDE-885 

press the S1 on CDE-885 

Содержание JRV-500B

Страница 1: ...MAINTENANCE MANUAL FOR JRV 500B VHF TRANSCEIVER j Approved Checked Designed Drawing No DC15 JRV 500B...

Страница 2: ...t is powered at 100V AC or 220V AC as switched or at 13 6V DC To apply any voltage other than these it is necessary to provide a converter 6 With the dc power applied do not mistake positive and negat...

Страница 3: ...5 2 3 Page 2 for internal data 5 2 5 2 4 Procedure for setting initial data on page1 5 3 5 2 4 1 Setting for memory channel data in memory channel mode 5 3 5 2 4 2 Setting for the configuration data...

Страница 4: ...it 8 3 8 2 3 Limiter and Sensor Circuit 8 3 8 2 4 Squelch Circuit CMA 705 8 3 8 3 Operation Panel CMD 745 8 4 8 4 Control CDE 885 8 4 8 4 1 Audio Amplifier Circuit 8 4 8 4 2 Control Circuit 8 4 8 5 MO...

Страница 5: ...500BDS VHF Transceiver 10 22 JRV 500BPS 2 VHF Transceiver 10 23 CDE 885 Control 10 24 CMA 705 RX Circuit 10 27 CMB 257 TX Circuit 10 28 CAH 559 Power Amplifier 10 29 CMD 745 Operation panel 10 30 CNM...

Страница 6: ...which hitherto have been needed for each channel The maritime mobile service radio communication channels are saved in EEPROM The operator can call up any desired channel on the spot Features 1 The JR...

Страница 7: ...in filter Duplex type Simplex type S Simplex type Blank Duplex type Built in modem M With built in 4wire modem Blank Without built in 4wire modem Type of mounting P Rack mount type D Desk top type Not...

Страница 8: ...Components The following components are optionally available No Components Model Remarks 1 Microphone 6UMED00024 6UMED00025 Stand microphone Headset 2 PC module 1 MODEM CNM 162BA for 4wire remote cont...

Страница 9: ...20D 2E 10 Spare parts JRV 500B SP Spare parts for maintenance 11 Spare PC module 1 CONTROL 2 OPERATION PANEL 3 RX CIRCUIT 4 TX CIRCUIT 5 POWER AMPLIFIER CDE 885 CMD 745 CMA 705 CMB 257 CAH 559 12 Mea...

Страница 10: ...squelch on off Supervising items Remote Local indication Alarm squelch on indication b Serial interface RS 422 remote control model stop 1 data 8 parity odd baud rate 200 1200 Items of control Channe...

Страница 11: ...requency synthesizer 3 Frequency tolerance 5x10 6 or less 4 Necessary bandwidth 16kHz or less 5 Frequency deviation Within 5kHz 6 Spurious characteristic 75dB or less from carrier 7 Microphone input l...

Страница 12: ...Refer to Note 2 7 Intermodulation Characteristic 75dB or more Refer to Note 2 8 Signal to noise ratio 45dB or more at antenna input of 100 V Refer to Note 1 and Note 2 9 Distortion factor 5 or less at...

Страница 13: ...not place containers holding water or other liquids above or on top of the unit Do not place any objects within 5cm of rear heat sink of the unit 4 2 Power Supply Put the power supply voltage selector...

Страница 14: ...er J101 HS21R 2 2 I Plus input 1 I AC power input or Plus input in 24V DC 48V DC type 2 Ground or Minus input in 24V DC 48V DC type AC power J102 HS16R 3 3 I AC power input or Ground in 24V DC 48V DC...

Страница 15: ...10 O 13 6V Rx ant filter select J104 SC 1612 STA 11 12 No connection 1 O Transmit PTT 2 O Duplex 3 Ground 4 O DC 13 6V Duplexer J105 SC 1608 STA 5 6 7 8 No connection 1 I Memory ch1 select 2 I Memory...

Страница 16: ...No connection 21 O Local response 22 O Receive response 23 O PTT response 24 O Alarm response 25 O Power on response 26 Ground 27 28 No connection 29 I PTT control remote 30 I Power on control remote...

Страница 17: ...3 54 O Line output 200bps voice cont 1200bps control 55 56 I Ext input 200bps N C 1200bps voice 57 58 O Ext output 200bps N C 1200bps voice 59 Ground Remote control J106 S 1660A STA 60 No connection R...

Страница 18: ...onnector Applicable cable Remarks J101 HS21R 2 HS21P 2 VCTF2x 50 0 18 DC power J102 HS16R 3 HS16P 3 VCTF2x 50 0 18 AC power J103 FM214 8S FM 14 8P for mic P 1612BA P 1612 CBA 10 J104 SC 1612 STA PW 16...

Страница 19: ...CA 20 SWVP 0 5 60C Remote control J108 P 2240 P PJ 2240 P HC2L1 or HC2L2 Record out J109 LGR4517 PJ 055B MVVS 20 0 18 6 5P 8 Phones N P 5 5D 2V or 5D 2E N P 8 8D 2V or 8D 2E N P 10 10D 2V or 10D 2E R...

Страница 20: ...J Rx ANT Rx ANT DUPLEXER Tx ANT Tx ANT ANT AW 158YB DUPLEXER E DC DUP PTT N P 8 COAXIAL CONNECTOR COAXIAL CONNECTOR COAXIAL CONNECTOR COAXIAL CONNECTOR COAXIAL CONNECTOR COAXIAL CONNECTOR N P 8 N P 8...

Страница 21: ...ements of antenna on the same perpendicular line with a spacing of at least 5 meters provided between them Fig 2 If it becomes unavoidable to install the two antenna elements at the positions aslant t...

Страница 22: ...o exert no interference to receiver unit Example Both the transmitter and receiver units are operable when H and D expressed by mark o in the graph are 9 and 3 meters respectively When H and D become...

Страница 23: ...switching Put the power supply voltage selector switch to the required position and tighten the screw securely If you are going to use AC power please get ready a stable power supply facility capable...

Страница 24: ...Setting for Rx antenna filter control data f Setting for remote or local mode as default data g Setting for full duplex or semi duplex in duplex channel h Setting for full remote or semi remote in re...

Страница 25: ...ng for memory channel data number 1 1 select the channel number defied on Radio 6 16 Regulation example ch16 _ _ channel number data is memorized and required the memory channel number data 0 0 memory...

Страница 26: ...88 1 tr t or tr entering the setting for the configuration data Present data is displayed on the LED tr transceiver t transmitter r receiver 1 2 or 3 tr t or r select the actual configuration of the...

Страница 27: ...play remarks 88 2 0 or 1 Present data is displayed on the LED Select the operating mode switch 0 memory channel mode switch 1 direct channel mode 0 or 1 0 or 1 select the actual configuration of the r...

Страница 28: ...marine VHF channel number _ _ save the private channel number 1 1 Entering the setting the transmitting frequency data 6 digits The frequency range is 156025kHz to 162000kHz This transmitting frequenc...

Страница 29: ...a 1 or 2 d or S select the duplex or simplex operation 0 Duplex operation 1 Simplex operation 89 save and exit this setting for saving data to EEPROM or 88 exit this setting for not saving data to EEP...

Страница 30: ...1 operate as follows Operation Display remarks 88 4 _ _ Entering the setting for memory channel number data 1 1 Ch16 is set as channel number for example 6 16 _ save the channel number 0 1 or 7 0 1 o...

Страница 31: ...ry backup will not function properly In that case you must select local or remote mode so that the unit may be started up in suitable mode After operating in Paragraph 5 2 1 as page 1 operate as follo...

Страница 32: ...splay remarks 88 6 d or S Entering the setting for duplex operating mode or semi duplex operating mode The existing mode will be displayed on LED 0 or 1 d or S select the duplex operating mode or semi...

Страница 33: ...in Paragraph 5 2 1 as page 1 operate as follows Operation Display remarks 88 7 F or S Entering the setting for full remote or semi remote in remote mode The existing mode will be displayed on LED 0 o...

Страница 34: ...ragraph 5 2 1 as page 1 operate as follows Operation Display remarks 88 8 88 Entering the testing the serial control line 0 H Set the serial control line H or the signal from modem 3320Hz 30Hz as data...

Страница 35: ...nitial data on page 2 5 2 5 1 Setting for each channel using or not using in direct channel mode After operating in Paragraph 5 2 1 as page 2 operate as follows Operation Display remarks 88 0 _ _ Ente...

Страница 36: ...n 10 second each S2 2 Disable local test mode Enable local test mode S2 5 No wait Power ON 10 second wait Power ON S2 6 Un repetitive reverse transmit collating check Repetitive reverse transmit colla...

Страница 37: ...te channel 3 ITU RR channel direct channel mode Yes Yes Yes Yes Yes Yes 2 PTT ON or OFF Yes Yes 3 Power supply ON or OFF Yes Yes 4 Squelch ON or OFF Yes Yes 5 Remote Local selection Yes 6 Receiving si...

Страница 38: ...atedly 6 2 2 Transmission format memory channel mode Details of a 4 byte control or a 4 byte monitor item are as follows 1 First byte Table 6 2 First byte Higher bits Lower bits Bit 7 Bit 6 Bit 5 Bit...

Страница 39: ...al LOW POWER 0 No alarm signal 1 Alarm signal 3 Third byte Memory channel data Table 6 4 Third byte Higher bits Lower bits Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 1 0 4 2 1 The bits have the f...

Страница 40: ...channel Bit 2 Channel number data lower bit 4 numbers Bit 1 Channel number data lower bit 2 Bit 0 Channel number data lower bit 1 Table 6 7 ITU and private channel data Higher bits 0 1 2 3 0 16 60 76...

Страница 41: ...e Bit 6 0 The bit indicates the first byte Bit 5 Not used Bit 4 Presence or absence of receiving signal 0 No receiving signal 1 receiving signal Bit 3 Classification of remote control or local control...

Страница 42: ...ol 1 Remote control Bit 2 PTT Press to talk control 0 Reception 1 Transmission Bit 1 Squelch control 0 Squelch OFF 1 Squelch ON Bit 0 Power supply control 0 Power OFF 1 Power ON 3 Third byte Memory ch...

Страница 43: ...channel Bit 2 Channel number data lower bit 4 numbers Bit 1 Channel number data lower bit 2 Bit 0 Channel number data lower bit 1 Table 6 13 ITU and private channel data Higher bits 0 1 2 3 0 16 60 76...

Страница 44: ...ence for analog circuit TP1 13 5 2 transmitting Power supply for TX circuit IC11 28 5 0 5 Power supply for digital circuit F3 13 5 2 Power supply for Control circuit TP2 13 5 2 non transmitting Power...

Страница 45: ...0kHz deviation External AF signal output level RV7 External AF output terminal 10dBm Level meter With 40uVemf RF signal modulation 1kHz signal 3 0kHz deviation Record output level RV3 Record terminal...

Страница 46: ...ise Transmit Decrease the RF output to 25W using RV1 Tune the RV3 counter clockwise slowly till disappear the LP alarm Increase the RF output to 50W using RV1 Output span RV2 TX ANT 60W Dummy load Tun...

Страница 47: ...Check if the voltage teminal 9 8 of PS1 is specified AC voltage AC85 132V or 170 264V CAUTION The terminals High Voltage 1 Check the AC powervoltage at the teminal connector for the power cable AC85 1...

Страница 48: ...ce CMA 705 Rx PC board Is the RECEIVE lamp turned on Replace CDE 885 Control PC board Is there demodulated signal at IC5 7 of CMA 705 Set the output of SG Level 10dBu Frequency Rxf Modulation freq 1kH...

Страница 49: ...he control functions channel indication changing the channe well Replace CDE 885 Control PC board Is transmitting power normal Replace CMB 257 Tx PC board end Is the RF signal modulated Is there the m...

Страница 50: ...Bm 8 1 2 Lock Sensor CMB 257 The purpose of the lock sensor is to inhibit transmission when the transmitting PLL circuit is unlocked This prevents transmission of an undesirable frequency Pin 8 of IC6...

Страница 51: ...e the operating point of the output control circuit Also provided is a circuit that protects the transistor at the last stage when its temperature becomes abnormally high As the temperature of the las...

Страница 52: ...t CMA 705 The squelch circuit is controlled by the amount of noise present in the detector output When no signal or a weak signal is received there is a large amount of noise present conversely when a...

Страница 53: ...selected by IC42 1 The level of selected voice signal is adjusted according to whether it is simplex or duplex and sent to the transmitter section PLL circuit In reception the level of voice signal de...

Страница 54: ...s a program that controls the microprocessor IC1 EEPROM IC9 stores memory channel data and configuration data RAM IC10 temporarily stores individual data I O ports IC25 IC26 and IC27 monitor various s...

Страница 55: ...omprising many resistors such as IC3 to IC6 four circuits in total IC3 and IC4 are transmitting filter circuits and IC5 and IC6 are receiving filter circuits The RS 422 is used for data transfer with...

Страница 56: ...9 1 9 Mechanical drawing JRV 500BP VHF Transceiver 9 2 JRV 500BD VHF Transceiver 9 5...

Страница 57: ...diagram 10 10 JRV 500BDS VHF Transceiver Block diagram 10 11 JRV 500BDS 2 VHF Transceiver Block diagram 10 12 JRV 500BP VHF Transceiver 10 13 JRV 500BPM VHF Transceiver 10 14 JRV 500BPF VHF Transceive...

Страница 58: ...1 1 11 Parts List JRV 500B VHF Transceiver 11 2 CDE 885 Control 11 4 CMA 705 RX Circuit 11 15 CMB 257 TX Circuit 11 21 CAH 559 Power Amplifier 11 25 CMD 745 Operation panel 11 29 CNM 162BA MODEM 11 32...

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