Yamaha MG16/6FX Service Manual page 35

2-18. PHANTOM
Connect a 10kΩ load resistance between the pin 1 and 2 of the MIC and short-circuit between the pin 2 and 3.
Turn on the PHANTOM switch(LED shall light) and the voltage between pin 1 and 2 shall be within +35 +/-3V.
2-19. DIGITAL EFFECT
Set the CH1 as follows and feed -40dBu signal to CH1 MIC.
GAIN VR,AUX1 VR,AUX2 VR:
Fader,EFFECT VR:
ON,PFL,1-2,3-4 switch:
When setting EFFECT RTN fader and VR to MAX and each switch(ON,PFL,1-2,3-4) to ON,the output level shall be within the
range specified the Table 2.19.1.
Table 2.19.1 [dBu]
OUTPUT PROGRAM select switch
ST L OUT
ST R OUT
GROUP1-4
9: VOCAL ECHO 1 MIN
AUX1,2
C-R OUT L
C-R OUT R
ST L OUT
ST R OUT
16: VOCAL REVERB 4
*1 Each program (1-16) shall be measured.
Feed no signal and set the CH EFFECT level control to MIN and PROGRAM select switch to 3(HALL 3).
The noise level of "ST OUT L/R" shall be less than -50dBu.
(Noise is measured with a 12.7kHz -6dB/octave low pass filter.)
Feed music source and check the DIGITAL EFFECT by listening to it.
MIN
MAX
OFF
PARAMETER
1: HALL 1
: *1
OUTPUT level
+4.5 +/-5
MIN
+0.5 +/-5
MAX -9 +/-30
MG16/6FX
35