Japan Radio Co. JRV-500B User manual

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

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Precautions to be taken in Operation
1. Do not proceed to the operation of equipment before thoroughly
reading the operation manual.
2. This equipment requires the licenses to operate a radio station and to
be engaged in radio operations.
You need obtain both radio station and radio operator licenses to
operate the equipment.
3. Except for maintenance inspection, do not unnecessarily open the
equipment in the interior nor touch any internal parts and adjustable
portions.
4. The equipment employs a 100V AC(220V AC) power source in the
interior. Touching an internal part, therefore, may cause you to suffer
from an electric shock.
100V position for 85VAC to 132VAC.
220V position for 170VAC to 264VAC
Do not open the equipment in the interior nor touch any internal parts
inadvertently.
5. The equipment 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 negative poles
upon connection. Check and ensure the drawing. [DC IN] (J101) has
No. 2 Terminal positive and No. 1 negative.
7. With the ac power applied, check to know whether the power available
is rated at 100 volts or 220 volts. To this voltage, set the selector switch
located on the back.
8. Avoid locating the equipment at a hot and highly humid place or
exposed to the direct sunlight.
9. Should the equipment unfortunately fail, or if you place an order or
make an inquiry for an optional accessory or accessories, please make
contact with our Tokyo Sales Division, Local branch, sales office or
agent.
Our Tokyo sales office;
International Sales Department
Japan Radio Co., Ltd.
Main Hall, Akasaka Twin Tower Bldg.,
17-22, Akasaka 2-chome, Minato-ku, Tokyo 107
Phone [phone]
Fax [phone]
Telex 242-2520 JRCTOK J

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CONTENTS
page
1. Outline ········································································· 1 – 1
2. Components ································································· 2 – 1
2.1 Standard components····················································· 2 – 1
2.2 Optional components······················································ 2 – 1
3. Specification ································································· 3 – 1
3.1 General······················································································3 – 1
3.2 Transmitter Section ···································································3 – 2
3.3 Receiver Section ·······································································3 – 2
4. Installation ··································································· 4 – 1
4.1 Installation Location ······················································ 4 – 1
4.2 Power Supply ······························································ 4 – 1
4.3 Cable connection ························································· 4 – 2
4.4 Applicable Connector ···················································· 4 – 6
4.5 Installation antenna system ············································ 4 – 8
4.5.1 Installation of JRV-500 with 1 antenna ·····································4 – 8
4.5.2 Installation of JRV-500 with 2 antennas ··································· 4 – 9
5. Initial Settings ············································································ 5 – 1
5.1 Switching and Setting power supply voltage····························5 – 1
5.2 Setting Internal data ··································································5 – 1
5.2.1 Setting mode···········································································5 – 1
5.2.2 Page 1 for internal data···························································5 – 2
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 ········································5 – 4
5.2.4.3 Setting for memory channel mode
or direct channel mode·····················································5 – 5
5.2.4.4 Setting the private channel data··········································5 – 6
5.2.4.5 Setting for Rx antenna filter control data·····························5 – 8
5.2.4.6 Setting for remote or local mode as default data·················5 – 9
5.2.4.7 Setting for full-duplex or semi-duplex in duplex channel ·····5 – 10
5.2.4.8 Setting for full-remote or semi remote in remote mode ·······5 – 11
5.2.4.9 Testing the serial control line···············································5 – 12
5.2.4.10 Restoring the each data to default ······································5 – 12
5.2.5 Procedure for setting initial data on page 2·····························5 – 13
5.2.5.1 Setting for each channel using or not using
in direct channel mode ·····················································5 – 13
5.2.6 Other functions····································································5 – 14

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6 Remote control ·······································································6 – 1
6.1 Outline of remote control·························································6 – 1
6.2 Serial control method······························································6 – 1
6.2.1 Transmission specification······················································6 – 2
6.2.2 Transmission format (memory channel mode)························6 – 2
6.2.3 Transmission format (direct channel mode)····························6 – 5
7 Maintenance & Trouble shooting··············································7 – 1
7.1 Standard Voltage ······································································ 7 – 1
7.2 Standard signal level and Adjustment······································ 7 – 2
7.3 Trouble shooting ······································································· 7 – 4
8 Circuit description ···································································8 – 1
8.1 Transmitter Section ································································8 – 1
8.1.1 PLL Circuit (CMB-257)····························································8 – 1
8.1.2 Lock Sensor (CMB-257) ·························································8 – 1
8.1.3 Power Amplifier Circuit (CAH-559) ·········································8 – 1
8.1.4 Output Control Circuit (CAH-559) ···········································8 – 2
8.1.5 Output Protection Circuit (CAH-559) ······································8 – 2
8.1.6 Output Drop Detection Circuit (CAH-559)·······························8 – 2
8.2 Receiver Section (CMA-705) ··················································8 – 3
8.2.1 PLL Circuit (CMB-257)····························································8 – 3
8.2.2 IF Circuit ·················································································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 MODEM (CNM-162BA) ··························································8 – 6
9. Mechanical Drawing··································································9 – 1
JRV-500BP VHF Transceiver·········································9 – 2
JRV-500BD VHF Transceiver·········································9 – 5
10. Electrical Drawing ····································································10 – 1
JRV-500BP VHF Transceiver Block diagram ·················10 – 2
JRV-500BPM VHF Transceiver Block diagram ················· 10 – 3
JRV-500BPF VHF Transceiver Block diagram ·················10 – 4
JRV-500BPS VHF Transceiver Block diagram ·················10 – 5
JRV-500BPMF VHF Transceiver Block diagram ·················10 – 6
JRV-500BPMS VHF Transceiver Block diagram ·················10 – 7
JRV-500BPMSF VHF Transceiver Block diagram ·················10 – 8
JRV-500BD VHF Transceiver Block diagram ·················10 – 9
JRV-500BDM VHF Transceiver Block diagram ·················10 – 10
JRV-500BDS VHF Transceiver Block diagram ·················10 – 11
JRV-500BPS-2 VHF Transceiver Block diagram ·················10 – 12
JRV-500BP VHF Transceiver·········································10 – 13
JRV-500BPM VHF Transceiver·········································10 – 14
JRV-500BPF VHF Transceiver·········································10 – 15

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JRV-500BPS VHF Transceiver ··········································10 – 16
JRV-500BPMF VHF Transceiver ··········································10 – 17
JRV-500BPMS VHF Transceiver ··········································10 – 18
JRV-500BPMSF VHF Transceiver ··········································10 – 19
JRV-500BD VHF Transceiver ··········································10 – 20
JRV-500BDM VHF Transceiver ··········································10 – 21
JRV-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-162BA MODEM ·······················································10 – 31
11. Parts List ······································································11 – 1
JRV-500B VHF Transceiver···········································11 – 1
CDE-885 Control··························································11 – 3
CMA-705 RX Circuit ·····················································11 – 14
CMB-257 TX Circuit······················································11 – 20
CAH-559 Power Amplifier············································· 11 – 24
CMD-745 Operation panel············································ 11 – 28
CNM-162BA MODEM························································11 – 31

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1. Outline
The JRV-500B VHF TRANSCEIVER (after called JRV-500B) is shore basis
communication equipment for maritime communication system in 150MHz RR
band, is designed to satisfy the ITU radio regulation (RR). It attends the simplex
and duplex communications under operating conditions with 24H-hours
operation.
The desktop type or rack-mount type can be selected according to the
operating conditions. The full synthesizer controlled by a high performance
microprocessor has eliminated a crystal oscillator, 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 JRV-500B can be operated 24-hours a day.
2) Either desk top-type or rack-mount type can be selected.
3) Direct channel mode and memory channel mode are provided.
4) Up to specified eight channels can be saved in EEPROM.
(memory channel mode)
5) The microprocessor allows easy operation.
6) The external control is prepared for RS-422 and parallel ports.
7) The DC power supply is automatically changed even if the AC power
supply fails. (AC power supply type)
8) 4wires remote control mode is optionally possible. (with Modem)

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Designation of Model
The model is designated as follows:
Example:
JRV-500BPMSF-1
Type of power supply
(Refer to Note.)
-1 : 12VDC
-2 : 24VDC
-4 : 48VDC
Blank : 85 - 132V AC/170 - 264V AC
Built-in filter
F : With built-in filter
Blank : Without built-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
Note:
In the standard composition, the power supply circuit should be
negatively grounded. Either positive or negative grounding can be
selected for 24V DC or 48V DC operating type. In this case, however,
the AC power supply cannot be used.

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2. Components
2.1 Standard Components
The standard components are as follows:
No.
Components Model Q'ty
Remarks
1. VHF TRANSCEIVER JRV-500B 1
2. Accessories JRV-500-ACC1 1 Fuse, hand microphone
and connecters are
included
3. Instruction manual
Operation manual
Maintenance manual
1
1
in English
in English
4. Factory inspection data
1 in English
2.2 Optional 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 control modem
BR-1511 Omni-directional antenna
BRC-1511 Directional antenna
CL3-1501WB Collinear antenna
3. Antenna
CL3C-1501WB Offset collinear antenna
4. Duplexer AW-158YB
5. Cable CFQ-4222-2 Duplexer control cable
6. Coaxial arrester NYZ-150
7. Rx Antenna filter NFH-164-2
|
NFH-164-8
2ch
|
8ch
8. VHF controller NCU-245
NCU-245A
Controls up to eight VHF
Transceiver

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No. Components Model Remarks
9. Coaxial cable WF-H50-7
WF-H50-4
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. Measurement Equipment and
maintenance tool kit
Available upon order.

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3. Specifications
3.1 General
1) Frequency range
Transmission : 156.025-156.875MHz(simplex)
160.625-162.025MHz (duplex)
Reception : 156.025-157.425MHz
2) Memory channels : Up to 8 channels
(Memory - channel mode)
3) Communication system : Simplex press-to-talk
Duplex press-to-talk
4) Class of emission : G3E (F3E, with 6dB octave pre-
emphasis)
5) Antenna impedance : Nominal 50Ωunbalanced
6) External control
a. Parallel interface
Items of control/supervise : Channel selection,
Control of power on-off, press
on-off, 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/ : Channel selection (channel supervising
Supervising selection, memory channel selection,
control of power on-off, press on-off
power reduce on-off)
Supervising items : Remote/Local indication
Alarm indication (TX PLL unlock, RX PLL
unlock, low output power, overheat)
7) Operating temperature range
: -10
o
C to +50
o
C
8) Device storing temperature
: -20
o
C to +60
o
C
9) 4wire remote control (option) : Voice 300Hz to 2700Hz
Control 3000Hz to 3400Hz
Nominal 600Ωbalanced, -13dBm±10dB
200bps :with voice
1200bps :without voice