Yamaha MR1642 Service Manual - Page 4

MR842IMR1242/MR1642

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MR842/MR1242/MR1642 • INPUT CHARACTERISTICS INPUT TERMINALS PAD GAIN INPUT IMPEDANCE SOURCE IMPEDANCE i SENSITIVITY* INPUT LEVELS RATED LEVEL MAXIMUM NON CLIPING LEVEL CONNECTOR TYPE CH INPUT .- . MR842 :1-8 MR1242 :1-12 MR1642:1-16 LO-Z OFF -60dB (0dB) HI-Z ON - 20dB (20dB) TAPE IN LO-Z = 3kil HI-Z = 10kQ 10 Ica AUX RETURN (1, 2) stereo 10 kit INSERT IN MR84 CH [ MR1242 MR1642 :1---12 :1-16 GROUP (1-4) 10 kg2 50-600 52 -80dB (0.08mV) -60dB (0.8mV) -34dB (15.5mV) XLR-3-31 type Microp&' hones 600 Q Lines -4 dB (7.75mV) -20dB (77.5mV) -20dB (77.5mV) 0dB (775mV) +6dB (1.65V) +20dB (7.75V) (Balanced) & Phone Jack (TRS) (Balanced) 600 O Lines 600 52 Lines 600 O Lines 3PdB (24.5mV) -10dB (245mV) -.16dB (123mV) +4dB (1.23V) -26dB (38.8mV) -6dB (388mV) -16dB (123mV) -6dB (388mV) +20dB (7.75V) - +20dB (7.75V) +20dB (7.75V) PalanncJead)k Renb l Phone Jack (TRS) (Unbalanced) Phone Jack (TRS) (Unbalanced) Phone Jack (TRS) (Unbalanced) SUB IN GROUP (1-4) STEREO (L,R) 10 1(52 600 SI Lines -6dB (388mV) +4dB (1.23V) +20dB (7.75V) Phone Jack (Unbalanced) TALKBACK IN 4 kit m5c0r-06proniles _70dB (0.25mV) -50dB (2.45mV) -24dB (48.9mV) XLal 3n1cetdre • OUTPUT CHARACTERISTICS OUTPUT TERMINALS OUTPUT IMPEDANCE LOAD IMPEDANCE GROUP OUT (1-4) STEREO OUT (L, R) AUX SEND (1-3) MR842 :1-8 INSERT OUT CH [ MR1242 :1-16) GROUP (1-4) MONITOR OUT (L, R) PHONES OUT 150 52 600 Q 150 52 600 Q 150 52 600 52 600 52 100 52 600 O Lines 10 K2 Lines 600 SI Lines 10 IQ Lines 600 52 Lines I 10 kit Lines 10 1(52 Lines 8 Q Phones I 40 Q PhoneS *Input level required to produce rated +4dB output level. 0dB = 0.775 Vrms. OUTPUT LEVELS RATED LEVEL NMOANXCIMLIPUIMNG LEVEL +4dB (1.23V) +24dB (12.3V) -10dB (245mV) +10dB (2.45V) +4dB (1.23V) +24dB (12.3V) -10dB (245mV) +10dB (2.45V) +4dB (1.23V) +20dB (7.75V) -6dB (388mV) +20dB (7.75V) +4dB (1.23V) 1mW 3mW +20dB (7.75V) 20mW 130mW CONNECTOR TYPE XL(FBt-13n2cetcr e RCA Pin Jack x2 (Unbalanced) XL(RB-3a-32 RCA Pin Jack (Unbalanced) Phone Jack (Unbalanced) Phone Jack (TRS) (Unbalanced) Phone Jack (Unbalanced) STEREO Phone Jack (Unbalanced) MR842IMR1242/MR1642 3

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MR842/MR1242/MR1642
•
INPUT
CHARACTERISTICS
INPUT
IMPEDANCE
SOURCE
IMPEDANCE
i
SENSITIVITY*
INPUT
LEVELS
CONNECTOR
TYPE
RATED
LEVEL
MAXIMUM
NON
CLIPING
LEVEL
INPUT
TERMINALS
PAD
GAIN
CH
INPUT
.-
.
MR842
:1-8
MR1242
:1-12
MR1642:1-16
LO
-Z
OFF
-60dB
LO
-Z
=
3kil
HI
-Z
=
10kQ
50-600
52
Microphones
'
&
600
Q
Lines
-80dB
(0.08mV)
-60dB
(0.8mV)
—34dB
(15.5mV)
XLR-3-31
type
&
Phone
Jack
(TRS)
(Balanced)
(0dB)
-
20dB
-4
(Balanced)
dB
(7.75mV)
-20dB
(77.5mV)
+6dB
(1.65V)
HI
-Z
ON
(20dB)
-20dB
(77.5mV)
0dB
(775mV)
+20dB
(7.75V)
TAPE
IN
10
Ica
600
O
Lines
3P
dB
(24.5mV)
-10dB
(245mV)
+20dB
(7
.
75
V
)
P
a
l
a
n
nce
Jak
R
enb
l
d)
AUX
RETURN
(1,
2)
stereo
10
kit
600
52
Lines
-.16dB
(123mV)
+4dB
(1.23V)
—
Phone
Jack
(TRS)
(Unbalanced)
MR1242
MR84
:1-12
--
INSERT
IN
CH
[
MR1642
:1-16
GROUP
(1-4)
10
kg2
600
O
Lines
—26dB
(38.8mV)
—6dB
(388mV)
+20dB
(7.75V)
Phone
Jack
(TRS)
(Unbalanced)
-16dB
(123mV)
-6dB
(388mV)
+20dB
(7.75V)
Phone
Jack
(TRS)
(Unbalanced)
GROUP
(1-4)
SUB
IN
STEREO
(L,R)
10
1(52
600
SI
Lines
-6dB
(388mV)
+4dB
(1.23V)
+20dB
(7.75V)
Phone
Jack
(Unbalanced)
TALKBACK
IN
4
kit
m
5
c
0
r
-0
6proniles
_
70dB
(0.25mV)
-50dB
(2.45mV)
-24dB
(48.9mV)
XL
al
3n1cetdre
•
OUTPUT
CHARACTERISTICS
OUTPUT
TERMINALS
OUTPUT
IMPEDANCE
LOAD
IMPEDANCE
OUTPUT
LEVELS
CONNECTOR
TYPE
RATED
LEVEL
MAXIMUM
NON
CLIPING
LEVEL
GROUP
OUT
(1-4)
150
52
600
O
Lines
+4dB
(1.23V)
+24dB
(12.3V)
XL
(
Ft
B
-1
3
n
2
ce
t
cr
e
600
Q
10
K2
Lines
—10dB
(245mV)
+10dB
(2.45V)
RCA
Pin
Jack
x2
(Unbalanced)
STEREO
OUT
(L,
R)
150
52
600
SI
Lines
+4dB
(1.23V)
+24dB
(12.3V)
XL
(
R
B
-3
a
-32
600
Q
10
IQ
Lines
—10dB
(245mV)
+10dB
(2.45V)
RCA
Pin
Jack
(Unbalanced)
AUX
SEND
(1-3)
150
52
600
52
Lines
+4dB
(1.23V)
+20dB
(7.75V)
Phone
Jack
(Unbalanced)
MR842
:1-8
INSERT
OUT
CH
M
R
1242
:
1-16)
[
GROUP
(1-4)
600
52
I
10
kit
Lines
—6dB
(388mV)
+20dB
(7.75V)
Phone
Jack
(TRS)
(Unbalanced)
MONITOR
OUT
(L,
R)
600
52
10
1(52
Lines
+4dB
(1.23V)
+20dB
(7.75V)
Phone
Jack
(Unbalanced)
PHONES
OUT
100
52
8
Q
Phones
1mW
20mW
STEREO
Phone
Jack
(Unbalanced)
I
40
Q
PhoneS
3mW
130mW
*Input
level
required
to
produce
rated
+4dB
output
level.
0dB
=
0.775
Vrms.
3
MR842IMR1242/MR1642