1. Before Repair
This equipment (ST-HD501), which is a component of the system, is supplied with power from
the amplifier (SE-HD501).When repairing this equipment or checking operation of the system, be
sure to connect the amplifier with it.
Power supply and operation check in the state of it as a single equipmenet are impracticable.
2. Operating Instructions
3. About the Self-Diagnostic Mode
This unit is epuipped with a self-diagnostic function which, in the event of a malfunction,
automatically displays a code indicating the nature of the malfunctions.Use this self-diagnostic
function when servicing the unit.
4. Power Source ON/OFF and Signal Check
To operate this unit ST-HD501 normally, it is necessary for connecting to the unit SE-HD501.
When operating the unit ST-HD501, be sure to connect the unit SE-HD501 with included
connection cable.
1. Short the section between the jumper (J210), TP302 (A.GND) and
(J212)(D.GND), and as well as the section between the jumper
(J403), TP303(CT) and (J212)(D.GND).(As shown in Fig.1.)
2. Connect with the Amplifier (SE-HD501).(As shown in Fig.1.)
3. Connect the AC mains lead to Amplifier (SE-HD501).(As shown in
Fig.1.)
4. Connect the speakers to speaker input terminal.(As shown inFig.1.)
5. Turn on the power of the Amplifier (SE-HD501).
6. Press INPUT SELECTOR to select the external souce (EXT/MD) of
the Amplifier (SE-HD501).
7. Input a sound signal to external input terminal of Tuner (ST-
HD501), and confirm to be outputted from the speaker.
Fig.1
2
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