Technics SX-PX552 Service Manual

indicate trouble.
Phenomenon Remedy
No sound is produced when the keyboard is
played.
No sound is produced if the MAIN VOLUME is
set
Use the sliding control to set the volume to an
appropriate
level.
If the MIDI LOCAL CONTROL is set to off, set it
to
Nothing is shown on the display. The metronome, SEQUENCER tempo, etc. are
indicated
on the display. During normal performance,
however,
display is off.
Data cannot be exchanged through MIDI
terminals.
The switch for the COMPUTER terminal is not
set
Turn off the power to this instrument and set
the
MIDI.
Match the channels on the transmitting side
and
receiving side.
The sound quavers or is distorted. When the COMPUTER terminal or both the MIDI
IN
OUT terminals are connected to a computer,
depending
the computer software the received data may
be
to the instrument just as it is. Because of this
the
generated from the keys and the sound
generated
the returned data are both produced, causing
undesirable
effects, such as the sounds canceling each
other
example. In this case, either change the
software
to prevent received data from being returned,
or
MIDI LOCAL CONTROL to off.
About the backup memory
The selected sound and various functions, MIDI settings and SEQUENCER contents remain in
the memory for about one week after the POWER is turned off.
- The backup memory will not function until the POWER has been on
for about 10minutes.
- If you wish to return all memories and settings to their initialized
status, while pressing the MODE SET button, press the INITIAL
key on the keyboard. Or you can turn on the POWER while
pressing the INITIAL key.
- When the POWER is turned on, the MIDI LOCAL CONTROL is set to
on.
- If you wish to retain the memory for longer than one week, before
one week has elapsed, turn on the power and leave it on for about
10 minutes before turning it off again. The settings will remain in
the memory for about one week from this time.
11. About the Self-Diagnostic Function
This model has some self-diagnostic capabilities. When set to the self-diagnostic mode,
operation of various components can be verified by following the procedures in the chart below.
13

Technics SX-PX552 Specifications

General

Brand	Technics
Model	SX-PX552
Category	Musical Instrument
Language	English