Yamaha S80 Service Manual download pdf (Page 29)

S80

T28. EXIT

When testing is executed, the following message will

appear on the LCD.

When [YES] is pressed, testing will end.

When [NO] is pressed, the entry screen for the AUTO

and MANUAL modes will be restored.

D. OTHERS

When the test mode is cancelled, the same sequence that

occurred when turning on the power will be executed.

Check that the on/off clicking noises of the main unit

power switch is as described below.

OUTPUT-L, R: Less than 500 mV

INDIV-1, 2: Less than 500 mV

PHONES-L, R: Less than 500 mV

Also, with testing cancelled check the noise level when

the voice play mode is set according to the factory settings

and no note has been played to confirm that it satisfies

the following conditions.

Take measurements with the voltmeter (with JIS-C

filter) connected.

OUTPUT-L: Less than -82 dBm (10k ohm load)

OUTPUT-R: Less than -82 dBm (10k ohm load)

INDIV-1: Less than -82 dBm (10k ohm load)

INDIV-2: Less than -82 dBm (10k ohm load)

PHONES-L: Less than -82 dBm (33k ohm load)

PHONES-R: Less than -82 dBm (33k ohm load)

E. Short-cut Functions

(1) Turn on the power while pressing [PRE1] and

[PRE2], and forced initialization will be executed.

(2) Turn on the power while pressing [INT] and

[EXT], the version will then appear and the

operating power will be restored about 5 seconds

later.

(3) Turn on the power while pressing [EXIT] and

[ENTER], and the system program will be loaded

from SMART MEDIA and the operating power

will be restored.

(4) Turn on the power while pressing [DEC] and

[INC], and the wave data will be loaded from

SMART MEDIA, and the operating power will be

restored.

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Yamaha S80 Service Manual Page 29