Yamaha M3000-24 Manual Do Utilizador

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26
Rear panel
Mono input channel input/out-
put jacks
A
INPUT jacks
These are XLR-3-31 type input jacks (balanced). 
Nominal input level is –16 dB ~ –60 dB when the 26 
dB pad switch (page 6) is off, or +10 dB ~ –34 dB 
when the pad switch is on. When the rear panel 
PHANTOM MASTER switch and the phantom power 
switches for the corresponding input channel are on, 
+48 V phantom power is supplied. Pin wiring is as fol-
lows.
B
DIRECT OUT jacks
These are 1/4" phone jack direct outputs (unbal-
anced). Nominal output level is 0 dB. Pin wiring is as 
follows.
With the factory settings, the post-fader signal is out-
put. However by changing internal jumpers, you can 
switch this so that the pre-EQ or pre-fader/post EQ 
signal is output. If you wish to change internal jumper 
settings, please contact your dealer.
C
INSERT I/O jacks
These are TRS phone jacks which allow an external 
effect processor to be inserted into each mono input 
channel. Nominal level is 0 dB. Pin wiring is as fol-
lows.
Stereo input channel input/out-
put jacks
D
INPUT A jacks
These are XLR-3-31 type input jacks (balanced). 
Nominal input level is +10 dB ~ –30 dB. To use these 
jacks, you must set the A/B select switch of the corre-
sponding stereo input channel to the A position. Pin 
wiring is as follows.
E
INPUT B jacks
These are RCA phono input jacks (unbalanced). 
Nominal input level is +10 dB ~ –20 dB. To use these 
jacks, you must set the A/B select switch of the corre-
sponding stereo input channel to the B position. Pin 
wiring is as follows.
4
NPUT
ECT OUT
ERT I/O
3
INPUT
DIRECT OUT
0 dB
INSERT I/O
0 dB
2
INPUT
DIRECT OUT
0 dB
INSERT I/O
0 dB
1
INPUT
DIRECT OUT
0 dB
INSERT I/O
0 dB
INSERT
OUT IN
24
INPUT
DIRECT OUT
0 dB
INSERT I/O
0 dB
23
INPUT
DIRECT OUT
0 dB
INSERT I/O
0 dB
22
INPUT
DIRECT OUT
0 dB
INSERT I/O
0 dB
21
INPU
DIRECT 
0 dB
INSERT
0 dB
H 3
T A
T B
ST CH 2
INPUT A
INPUT B
L
R
R
L
ST CH 1
INPUT A
INPUT B
L
R
R
L
A
B
C
Male XLR plug
1 (ground)
3 (cold)
2 (hot)
1/4"  phone plug
Tip (send)
Sleeve (ground)
1/4"  phone plug
1/4"  phone plug
1/4"  TRS phone plug
To processor’s input
From processor’s output
Connect to INSERT I/O jack  
Tip (send)
Tip (send)
Ring (return)
Sleeve (ground)
Sleeve (ground)
Tip (return)
Sleeve (ground)
INSERT
OUT IN
ST CH 4
INPUT A
INPUT B
L
R
R
L
ST CH 3
INPUT A
INPUT B
L
R
R
L
ST CH 2
INPUT A
INPUT B
L
R
R
L
ST CH 1
INPUT A
INPUT B
L
R
R
L
4
5
Male XLR plug
1 (ground)
3 (cold)
2 (hot)
Phono plug
Tip
Sleeve