Assuming that you have done the first two checks as shown in the [https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjc8OC0is3tAhVR4HMBHQZxAsUQFjABegQIAxAC&url=https%3A%2F%2Fwww.us.marantz.com%2F-%2Fmedia%2FFiles%2FDocumentMaster%2FMarantzNA%2FUS%2FSR6013_NA_EN.pdf&usg=AOvVaw0Eaj17BwSV8an3kSu3kQnG|owner manual] for a ''Power turns off and the power indicator flashes in red approx. every 0.5 seconds'' problem, then as you say there is a problem with the amp circuit.
a). Check the speaker connections. The protection circuit may have been activated because speaker cable core wires came in contact with each other or a core wire was disconnected from the connector and came in contact with the rear panel of this unit. After unplugging the power cord, take corrective action such as firmly re-twisting the core wire or taking care of the connector, and then reconnect the wire. (v p. 37)
b). Turn down the volume and turn on the power again. (v p. 84)
c). This unit’s amplifier circuit has failed.
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If there is nothing obvious on the amp board e.g. heat stressed or blown components etc you may have to spend a bit more and get the [https://smpcshop.com/Marantz-SR6013-Service-Manual.html|service manual]. Having this will definitely speed up the process of locating the problem, i.e. it has full schematics and also shows the protection diagrams etc.
+
If there is nothing obvious on the amp board e.g. heat stressed or blown components etc you may have to spend a bit more and get the [https://smpcshop.com/Marantz-SR6013-Service-Manual.html|service manual]. I can’t find a free one online, you may have better luck. Having this will definitely speed up the process of locating the problem, i.e. it has full schematics and also shows the protection diagrams etc.
There are other suppliers online that may suit you better. Just search for ''Marantz SR6013 service manual'' to get results.
Hi,
Assuming that you have done the first two checks as shown in the [https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjc8OC0is3tAhVR4HMBHQZxAsUQFjABegQIAxAC&url=https%3A%2F%2Fwww.us.marantz.com%2F-%2Fmedia%2FFiles%2FDocumentMaster%2FMarantzNA%2FUS%2FSR6013_NA_EN.pdf&usg=AOvVaw0Eaj17BwSV8an3kSu3kQnG|owner manual] for a ''Power turns off and the power indicator flashes in red approx. every 0.5 seconds'' problem, then as you say there is a problem with the amp circuit.
a). Check the speaker connections. The protection circuit may have been activated because speaker cable core wires came in contact with each other or a core wire was disconnected from the connector and came in contact with the rear panel of this unit. After unplugging the power cord, take corrective action such as firmly re-twisting the core wire or taking care of the connector, and then reconnect the wire. (v p. 37)
b). Turn down the volume and turn on the power again. (v p. 84)
c). This unit’s amplifier circuit has failed.
If there is nothing obvious on the amp board e.g. heat stressed or blown components etc you may have to spend a bit more and get the [https://smpcshop.com/Marantz-SR6013-Service-Manual.html|service manual]. Having this will definitely speed up the process of locating the problem, i.e. it has full schematics and also shows the protection diagrams etc.
There are other suppliers online that may suit you better. Just search for ''Marantz SR6013 service manual'' to get results.
Hopefully a start