Sony DPS-V77 Service Manual page 14

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Additional Information
Troubleshooting
If this unit docs not operate as expected, the probl.em may
simply be an oversight, a disconnected cable or a setting
error. Before calling a service technician,
Gom~)are
the
symptoms of the problem with those listed below to sec if
you can correct the problem yourself.
No sound is heard, or the sound is small .
. . Press BYPASS to cancel mute.
. . When inputting anal(lg signals, check to see if the
INPUT knob is set to the appropriilte level.
. . When inputting digital signals, check the Input levels
in the System: Setup.
. . Check that all the cables ilrc connected correctly.
. . Make sure the appropriate input mode is selected on
the System: Setup Input screen. You cannot input
ilnalog signals if the input mode is set to "DICTL."
. . Milke sure the effect levels in the mixer block are not
set excessively
k)\\',
. . Check the \'olume of the connected an1plifier or
mixer.
Block Diagram
ANALOG INPUT_
The sound is not modified by the selected effect.
. . Press BYPASS to cancel
byp~ss.
. . Is the effect set to "OFF"?
The morphing effect does not work.
. . Milke sure to SA
VE
the effect after changing the
stmcture to IMORPI-!!.
. . Make sure the stmctures of all the dfects you want to
morph between arc set to IMORPH I_
The input level CUP indicator lights .
. . Turn INPUT to the left to reducl' lhl' input Iewl.
. . Reduce the output level of the source component.
. . Set the INPUT level selector switch to +4 dB and usc
the INPUT adjustment knob to re-adjust the input
level.
MIDI
operations cannot be carried out.
. . Make sure the MIDI receive channel matches the
transmit channel of the MIDI device.
. . Make sure the MIDI control number is set correctly .
. . Make sure the MIDI cable is connected securely_
ANALOG OUTPUT
BYPASS LINE (ANALOG)
~CH1
BALANCED
28F.N
DIGITAL
IN/OUT
INPUT SW (AUTO)
~
'I
~I
M ) - - - - - - - - - - l
MIDI OUT fTHRU
M ' - - - - - - - I
PEDAL IN 1
PEDAL IN 2
~CH2
~lIlIlIIlIllIIlIlIlIIlIglIIlIlIIlIIlIlIlIlIlI'M
, ,
cpu

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