Yamaha MW12 Service Manual page 28

MW12
ST CH (9/10,11/12)
●
HI,MID,LO EQ Gain control
AUX1,AUX2 level control
AUX1 PRE switch
BAL control
ON switch
PFL switch
1-2 switch
Fader
MASTER control
●
GROUP1-2 Master Fader (60mm)
GROUP1-2 TO ST assign switch
STEREO Master Fader (Stereo 60mm)
AUX1,AUX2 SEND Master Level control
RETURN to AUX1,AUX2,ST Level control
C-R/PHONES level control
C-R OUT source select switches
2TR IN/USB level control
2TR IN/USB switch
Others
●
PHANTOM switch
3.2 Indicator Inspection
Check if the POWER LED will light when the unit is turned on.
3.3 Gain
In the state 3.1, the output levels shall be within the range specified in the Table 3.3-1 - 3.3-6.
Table 3.3-1 CH INPUT(1-4) [dBu]
INPUT INPUT Gain
Level
q
Mic -80 Max
-36 Min
Line -54 Max
*1 Measure with the PAN control set at the center position. For others, turn the PAN control counterclockwise
fully for the ST L and the odd number of GROUP OUT and turn it clockwise fully for the ST R and the even
number of GROUP OUT.
*2 PFL switch to ON.
*3 Set the 1-2 switch to ON and the ST/GROUP. Measure only the case of CH1.
*4 Measure only the case of CH1.
* The difference in the level between channels shall be 2dB or less.
Table 3.3-2 [dBu]
INPUT
Mic 1-4/8
CH INSERT IN 1
CH INSERT IN 2-4/8
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: CENTER
: MAX
: OFF (POST)
: L (turned counterclockwise fully)
: ON (LED shall light) when taking measurement only/ OFF otherwise
: ON (LED shall light) when taking measurement only/ OFF otherwise
: ON when taking measurement only/ OFF otherwise
: MAX
ST L OUT ST R OUT
+1 +/-2 *1 +1 +/-2 *1
GROPU TO ST, 1-2 SW ON
*4 *4
+14 +/-2 +14 +/-2
+1 +/-2 *1 --
*1
+1 +/-2 --
INPUT Level Gain INSERT OUT
-80 Max
0 Unspecified
0 Unspecified
: MAX
: OFF
: MAX
: MAX
: MAX
: MAX
: ST
: MIN
: OFF (TO ST)
: OFF
GROUP1 - 2 AUX1
PRE OFF PRE ON
+4 +/-2 +6 +/-2 -4 +/-2
-- --
-- --
-- --
REC OUT L
1-4/8
-20 +/-2 --
-- +2.2 +/-2
-- +2.2 +/-2
AUX2 C-R OUT *2
+6 +/-2 +0 +/-2
-- -- --
-- -- --
-- -- --
REC OUT R
--
+2.2 +/-2
--
C-R OUT *3
+20 +/-2
--
--
--