Kenwood TH-78A Instruction Manual

Also see for TH-78A: Instruction manual Instruction manual Service manual Instructions Instruction manual

Contents

TROUBLESHOOTINGThe following problems are generally caused byimproper transceiver operation or connection, not bydefective components.If you experience any of these problem causes andcorrective actions before requesting service.Symptom Probable Cause Corrective ActionIndicators do not light and no 1. Low voltage. 1. Recharge/ replace the battery.receiver noise is heard when the 2. With optional DC cable: 2.POWER switch is turned on. 1) Bad power cable or 1) Check cables and connections.connections.2) Blown power supply fuse. 2) Check for the cause of theblown fuse and replace the fuse.No sound from the speaker. 1. Squelch is closed. 1. Turn the SQL controlNo signal can be received. 2. With the TSU-7: CTCSS is counterclockwise.operating. 2. Press the F key, then press the 3key to turn off the CTCSS.3. DTSS is operating. 3. Press the F key, then press the 2key to turn off the DTSS.4. Paging is operating. 4. Press the F key, then press the 1key to turn off the Paging.No control works. 1. LOCK is ON.2. T.ALT is ON.1. Press the F key, then press the Mkey.2. Press the F key, then press the 5key.Memory channel cannot be Nothing is stored in the memory See Using the Memory (page 19)recalled. channel.Memory cannot be backed up. 1. Battery voltage is low. 1. Recharge the battery.2. Battery case removed. 2. Install the Battery case.60