Troubleshooting Guide; Check The Problem Is Reproduced - Technics SU-G700E Service Manual

7 Troubleshooting Guide

7.1.

Check the problem is reproduced

Disconnect the AC mains lead from the wall outlet, wait for 3 minutes and reconnect the AC mains lead.
Then, check if the problem is reproduced.
(Approx. 3 minutes are required to discharge electricity from the electrolytic capacitors at the power source.
Always wait for 3 minutes after power-off when checking other items as well. Then perform a next operation.)
Identify the cause of malfunction
according to the descriptions on thereafter.
Following procedure is required after repair.
1. Firmware updates
Reason : Some spare parts has not latest version of firmware.
Connect the USB flash memory with new firmware.
[AMP] -> "SETUP"-> "F/W Update"-> "Yes" by pressing Remote Control.
2. Confirmation of firmware version
Connect this unit to the network.
[AMP] -> "SETUP"-> "F/W Version" by pressing Remote Control.
START
NO
Reproduced.
YES
End
Firmware updates or Initialization is required
due to the momentary malfunction.
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