Yamaha EMX3000 Service Manual page 27

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INSPECTIONS
A. INSPECTION OF MIXER SECTION
1. PREPARATIONS
• Unless otherwise specified, the signal to be applied should be 1kHz, -70dBs sine wave and the signal source impedance
should be 150 ohm. Also, the load resistance at each output terminal should be of the following values.
CH INSERT OUT, REC OUT
ST1,ST2,MONO,MONO1,MONO2,EFFECT 600 ohm
C-R/PHONES
• The signal level used in this specification is 0 dBs=0.775V
• Unless otherwise specified, set the controls as specified in 1-1 to 1-8 below.
1-1 CH INPUT (CH1~8)
GAIN trim
EQ(HIGH, MID, LOW) gain control
MNITOR(1, 2)level control
EFFECT level control
PAN control
Fader
PFL switch
1-2 Stereo INPUT (9/10, 11/12)
A/B switch
GAIN trim
EQ(HIGH, MID, LOW) gain control
TE
MONITOR(1, 2) level control
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EFFECT level control
PAN control
Fader
PFL switch
1-3 ST SUB IN (1,2)
ST level control
MONITOR(1,2) level control
PFL switch
1-4 TAPE IN
ST level control
PFL switch
1-5 DIGITAL EFFECT
ON/OFF switch
PROGRSM select switch
PARAMETER control
ST level control
MONITOR (1,2) level control
1-6 MASTER
ST GRAPHIC EQUALIZER control
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GRAPHIC EQUALIZER ON switch
ST1, MONO, MONITOR (1, 2), EFFECT fader
ST2, C-R/PHONES level control
ST1, MONO, MONITOR (1, 2), EFFECT AFL switch
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10k ohm
40 ohm
Minimum
CENTER
Maximum
Maximum
CENTER
Maximum
OFF
A
Minimum
CENTER
Maximum
Maximum
CENTER
Maximum
OFF
Maximum
Maximum
OFF
Maximum
OFF
OFF
1
Maximum
Maximum
Maximum
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2 9
8
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3 6 7 1 3 1 5
CENTER
OFF
Maximum
co
Maximum
OFF
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9 4 2 8
0 5 8 2 9 9 4 2 8
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EMX3000
9 9
9 9
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