7528%/(6+227,1*
Problem |
| Probable Cause |
| Corrective Action | Page |
VOX does not | The VOX gain is set too low. | Increase the VOX gain. | 30 | ||
operate. |
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HF/ 50 MHz Linear | 1 | The linear amplifier control | 1 | Set Menu No. 53 (HF) or 54 (50 MHz) to 1, 2, | 53 |
amplifier does not |
| is OFF. |
| or 3. |
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operate. | 2 | The REMOTE connector | 2 | Inspect the REMOTE connector wiring and | 66 |
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| wiring is wrong or faulty. |
| correct it as necessary. |
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The transceiver’s | 1 | The air filters for the cooling | 1 | Contact a Kenwood authorized service | — |
output power |
| fans have been congested |
| center to clean the filters. |
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decreases after a |
| with dust. |
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short operating time. | 2 | The cooling fans cannot | 2 | Relocate the transceiver so that air can easily | — |
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| provide enough air flow to |
| flow through the |
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| cool the transceiver down. |
| cooled. |
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You cannot access | 1 | Many repeaters require a | 1 | Review “FM REPEATER OPERATION” and | 25 |
and use repeaters. |
| subtone or 1750 Hz tone to |
| select the correct frequency and type of |
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| access. |
| subtone. | 25 |
| 2 | Transmission and/or | 2 | You must transmit on the repeater’s input | |
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| reception frequency is |
| frequency and receive on the repeater’s |
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| wrong. |
| output frequency. Refer to “FM REPEATER |
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| OPERATION”. |
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Digital operation | 1 | Physical connections | 1 | 67,69 | |
results in few or no |
| between the transceiver, |
| your TNC/ MCP manual, and your computer |
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connects or contacts |
| computer, and TNC/ MCP |
| hardware manual as references. |
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with other stations. |
| are incorrect, or software |
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| settings in the TNC/ MCP |
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| are wrong. |
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| 2 | Different transmission and | 2 | Confirm that the RIT and XIT functions are | 29,31 |
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| reception frequencies are |
| switched OFF. Confirm that you are not |
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| being used. |
| operating split frequency. |
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| 3 | The levels between the | 3 | Adjust TX and RX levels using Menu Nos. | 58,69 |
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| transceiver and the TNC/ |
| 66 and 67, and level controls on your TNC/ |
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| MCP are incorrect. |
| MCP. |
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| 4 | Your transmitted signal or | 4 | Reorient/ relocate your antenna or increase | 1 |
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| the incoming receive signal |
| your antenna gain. |
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| is too weak. |
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| 5 | The TX delay time | 5 | Set the TNC/ MCP TX delay time to more | — |
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| parameter in your TNC/ |
| than 300 ms. |
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| MCP was incorrectly set. |
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Attempts at controlling | 1 | Problem with cable that | 1 | Check the cable and cable connections. | 67 |
the transceiver with |
| connects the PC to the |
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the computer have |
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failed. | 2 | Communication parameters | 2 | Use the same parameters in the terminal and | 57 |
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| set in your terminal |
| the transceiver. Check Menu Nos. 61 and |
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| program do not match the |
| 62. |
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| transceiver parameters. |
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A sensor in the transceiver | Stop transmitting and let the transceiver | — | |||
and “CHECK” in | detected high temperature. | cool down for a while. Contact a Kenwood |
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Morse code sounds. |
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| authorized service center to clean the internal air |
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| filters. |
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Transmission | The voltage of the DC power | Adjust the DC power supply voltage to | 1 | ||
suddenly stops. | supply is too high. | 13.8 V DC. |
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“DSP ERR x” appears | An internal DSP error occurs. | Restart the transceiver by turning the power | — | ||
(where x is a number |
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| OFF and then back ON. If the problem persists, |
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from 0 ~ 3). |
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| consult Kenwood authorized Service Center. |
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“VGS ERR” appears. | An internal error occurred in | Confirm that the connector of the | 71 | ||
| the | securely connected to the transceiver, then |
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| turn the transceiver power OFF and ON. If the |
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| problem persists, contact a Kenwood authorized |
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| service center for repairs. |
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