Yamaha SY 011470 User Manual

21

T1

RAM READ/WRITE

OK/NG, (MAIN SRAM/WAVE DRAM)

T2

RAM BATTERY

OK/NG, 2.7V or more, Less than 3.5V

T3

WAVE ROM

OK/NG

T4

LCD

ON/OFF blinking alternately

T5

PANEL SWITCH/LED

OK/NG

T6

ENCODER

OK; 0 to +127(0) to -127

T7

KEYBOARD

OK, KEY CODE/KEY TOUCH

T8

KNOB A-2

OK/NG, 64-127-0-64

T10

KNOB 1-4

OK/NG, 64-127-0-64

T11

KNOB 5-14

OK/NG, 64-127-0-64

T12

CONTROLLER

OK/NG, 64-127-0-64 (PB), 0-127-0 (MW), 0-107-0 (AT)

T13

FOOT CONTROL SWITCH

OK, 0-127-0

T14

BREATH CONTROLLER

OK/NG, 127-0-127

T15

CARD

OK/NG

T16

MIDI IN/OUT/THRU

OK/NG THRU Confirmation

T17

HOST SELECT

OK/NG

T18

TO HOST

OK/NG

OUTPUT(L): +6.0 

±

 2 dBm; OUTPUT(R): Less than -72.0 dBm (10 kohm load)

T19

1 kHz OUTPUT L

INDIV(1): +6.0 

±

 2 dBm; INDIV(2): Less than-72.0 dBm (10 kohm load)

PHONES(L): +5.0 

±

 2 dBm; PHONES(R): Less than -64.0 dBm (33 ohm load)

OUTPUT(L): Less than -72.0 dBm (10 kohm load); OUTPUT(R): +6.0 

±

 2 dBm

T20

1 kHz OUTPUT R

INDIV(1): Less than -72.0 dBm (10 kohm load); INDIV(2): +6.0 

±

 2 dBm

PHONES(L): Less than -64.0 dBm (33 ohm load); PHONES(R): +5.0 

±

 2 dBm

T21

A/D LEVEL, JACK

OK

T22

A/D -> D/A

OUTPUT (L, R): +15.0 

±

 2 dBm (Line) (10 kohm)

T23

PLUG- IN1

OUTPUT (L, R): +11.5 

±

 2 dBm (10 kohm)

T24

PLUG- IN2

OUTPUT (L, R): +11.5 

±

 2 dBm (10 kohm)

T25

mLAN

OK/NG

T26

FACTORY SET

OK/NG

Initialized state

T27

SWP CH

1 kHz, sine wave

T28

EXIT (NOISE LEVEL)

OUTPUT (L, R): Less than -82.0 dBm (10 kohm load)

PHONES (L, R): Less than -85.0 dBm (33 ohm load)

Test Conditions, Judgment Criteria, etc.

Measuring instruments: frequency counter, oscilloscope, AC voltmeter (JIS-C curve type), distortion meter

(with flat filter), keyboard amplifier, etc.

Jigs:

MIDI cable, specially designed expansion board, etc.

Test No.

Test Item