iiiiiiiiiiii
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
