Amp Unit - Okura Yusoki A Series Original Instructions Manual

4.3. Amp Unit

To replace a amp unit follow the instruction below.
<Replacement procedure>
① Shut main power down.
② Disconnect the connectors to/from amp unit and wiring to terminals.
③ Unbolt the mounting screws out of amp unit. Replace whole unit
④ Connect the connectors and wiring to terminal.
⑤ Make sure if all the connections are correct then turn main power on.
(including bracket and heat sink) at a time.
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