Motorola MICOM-500E-A Manuel d'utilisateur télécharger pdf (Page 10)

HF-SSB Micom –500E

400W TRANSCEIVER MODEL COMPLEMENTS

M81AMN0KV5AK Micom 2E-Trunk

FDN6125A Amplifier 500 watts

FPN5585A Power supply

FRN5865A Junction box

01MB000027 Cables

01MB000029 Chassis

01MB000030 Miscellaneous

FMN1615A Microphone

TROUBLE SHOOTING

In case of malfunctioning, perform the following steps (refer to the Maintenance

section in MICOM-2E Owner’s manual, Motorola publication number 6802952C60).

1. Turn OFF and ON the radio switch to reset both the radio and the amplifier.

2. Use BITE (Only Low RF test)

3. Refer to the User Troubleshooting Chart.

4. Follow the troubleshooting procedures in this section, which provide instructions

for isolating faulty boards.

Troubleshooting a board at component level should be performed according to the

notes on the relevant schematic diagram.

FAULT ADVICE

CURR trip off-line

VOLT trip off-line

Ensure power supply maintains voltage greater than 11.0VDC

under load. Check DC cable connections.

VSWR trip off-line Check integrity of antenna and feedline connections.

Check for evidence of arc-over or dielectric breakdown

of feedline. Ensure antenna is resonant (<2:1 SWR) at

the desired operating frequency.

Amp TEMP led is on. Reduce drive level or duty-cycle. Ensure fan unit is

operating properly.

No PTT Keying Ensure transceiver, amplifier and DC supply all utilized a

common ground.

1 2 ... 5 6 7 8 9 10 11

Pas de commentaire

Motorola MICOM-500E-A Manuel d'utilisateur Page 10