Yamaha MG32/14FX, Service Manual

Page: 4 / 155

MG24/14FX
MG32/14FX
4
Input Specifications
Where 0 dBu = 0.775 V and 0 dBV= 1 V
1
Input sensitivity: the lowest level that will produce the nominal output level when the unit is set to maximum gain.
2
MG32/14FX: CH29(L)/30(R), CH31(L)/32(R), MG24/14FX: CH21(L)/22(R), CH23(L)/24(R)
Output Specifications
Where 0 dBu = 0.775 V and 0 dBV= 1 V
Input Connector PAD Gain
Input
Impedance
Appropriate
Impedance
Sensitivity
1
Rated Level
Max. Before
Clipping
Connector
Specifications
CH INPUT (A, B)
(MG32/14FX: CHs 1 to 24)
(MG24/14FX: CHs 1 to 16)
0
–60
3 k
Ω
50–600
Ω
mic
600
Ω
line
–80 dBu
(0.078 mV) –60 dBu
(0.775 mV) –40 dBu
(7.75 mV)
A: XLR-3-31 type (bal-
anced)
B: Phone jack (TRS)
(balanced
[T: hot; R: cold; S: ground])
26
–54 dBu
(1.55 mV) –34 dBu
(15.5 mV) –14 dBu
(155 mV)
0
–16
–36 dBu
(12.3 mV) –16 dBu
(123 mV) +4 dBu
(1.23 V)
26
–10 dBu
(245 mV) +10 dBu
(2.45 V) +30 dBu
(24.5 V)
ST CH INPUT
(MG32/14FX: CHs 25(L)/26(R)
to 31(L)/32(R))
(MG24/14FX: CHs 17(L)/18(R)
to 23(L)/24(R))
–34
10 k
Ω
600
Ω
line
–54 dBu
(1.55 mV) –34 dBu
(15.5 mV) –14 dBu
(155 mV)
Phone jack (unbalanced),
RCA pin jack
2
+10
–10 dBu
(245 mV) +10 dBu
(2.45 V) +30 dBu
(24.5 V)
ST INSERT IN [L, R]
GROUP INSERT IN (1 - 4)
10 k
Ω
600
Ω
line
–10 dBu
(245 mV) 0 dBu
(0.775 V) +20 dBu
(7.75 V)
Phone jack (TRS)
(unbalanced
[T: out; R: in; S: ground])
CH INSERT IN
(MG32/14FX: CHs 1 to 24)
(MG24/14FX: CHs 1 to 16)
10 k
Ω
600
Ω
line
–20 dBu
(77.5 mV) 0 dBu
(0.775 V) +20 dBu
(7.75 V)
RETURN (1, 2) (L, R) 10 k
Ω
600
Ω
line
–12 dBu
(195 mV) +4 dBu
(1.23 V) +24 dBu
(12.3 V) Phone jack (TRS)
(unbalanced)
TALK BACK 10 k
Ω
50 - 600
Ω
mic
–66 dBu
(0.388 mV) –50 dBu
(2.45 mV) –30 dBu
(24.5 mV) XLR-3-31 type
(unbalanced)
2TR IN (L, R) 10 k
Ω
600
Ω
line
–26 dBV
(50.1 mV) –10 dBV
(316 mV) +10 dBV
(3.16 V)
RCA pin jack
Output Connectors
Output
Impedance
Appropriate
Impedance
Rated Level
Max. Before
Clipping
Connector Specifications
ST OUT (L, R)
MONO
150
Ω
600
Ω
line +4 dBu (1.23 V) +24 dBu (12.3 V) XLR-3-32 type (balanced)
GROUP OUT (1-4)
AUX SEND (1-6)
150
Ω
600
Ω
line +4 dBu (1.23 V) +20 dBu (7.75 V)
Phone jack (TRS)
(impedance balanced [T: hot; R: cold; S:
ground])
ST SUB OUT (L, R)
EFFECT SNED (1, 2)
150
Ω
10 k
Ω
line +4 dBu (1.23 V) +20 dBu (7.75 V)
Phone jack (TRS)
(impedance balanced [T: hot; R: cold; S:
ground])
REC OUT (L, R) 600
Ω
10 k
Ω
line –10 dBV (316 mV) +10 dBV (3.16 V) RCA pin jack
CH INSERT OUT
(MG32/14FX: CH 1- 24)
(MG24/14FX: CH 1- 16)
150
Ω
10 k
Ω
line 0 dBu (0.775 V) +20 dBu (7.75 V)
Phone jack (TRS)
(unbalanced [T: out; R: in; S: ground])
GROUP INSERT OUT
(1-4)
ST INSERT OUT (L, R)
PHONES 100
Ω
40
Ω
phone 3 mW 75 mW Stereo phone jack