Yamaha MG10/2 Service Manual page 43

H
BLOCK DIAGRAM & LEVEL DIAGRAM
MAIN
28CA1-8826957
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G F
SW102
+48V
JK101, 201 PHANTOM
LD102
MIC
[-60dBu~-16dBu] IC101, 201 (8P)
SW101, 201
CH IN
CH1-2 JK102, 202 HPF
LINE
VR101,201
VR102,
[-34dBu~+10dBu]
GAIN 202
MIC [-60dBu~-16dBu]
LINE [-34dBu~+10dBu]
ST CH MIC IN
(-60dBu~-16dBu)
(-30dBu~+14dBu)
CH [3/4], CH[5/6] SW301,
401
IC302b, 402b
HPF
JK301, 401 IC301, 401
(8P)
(8P)
L (MONO)
VR301,
ST CH LINE IN JK302, 402
401
(-34dBu~+10dBu)
CH3 (L)/4 (R), CH5 (L)/6 (R)
R
IC302a, 402a
(8P)
JK303, 403
JK501, 601
L
ST CH IN
JK503
(-10dBu)
CH7 (L)/8 (R), JK502, 602
CH9 (L)/10 (R)
R
JK503
2
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E D
IC103 (8P)
LD101, 201
VR107, 207
VR105, 205
PEAK
IC202 (8P)
CH Level
VR104,
PAN
204
VR103,
203
VR106, 206
INSERT I/O
(0dBu)
AUX
JK103, 203
IC303b,
VR305, 405 VR307, 407
IC304b, 403b (8P)
VR302,
404b (8P)
402
PAN/BAL
ST CH Level
LD301, 401
GAIN
(-34dBu~
PEAK
VR306, 406
+10dBu)
VR304, IC303a, 403a (8P)
404
IC304a,
VR303,
404a
403
(8P)
IC502b, 602b (8P)
IC501b, 601b IC503b, 603b VR504, 604
VR506, 606
(8P)
(8P)
BAL
ST CH Level
VR501,
VR503,
601
603
VR505, 605
IC502a, 602a (8P)
VR502, IC503a, 603a
IC501a, 601a
602 (8P)
(8P)
IC701b (8P)
JK701 VR701
L
2TR IN
2TR IN
(-10dBu)
R
JK701
IC701a (8P)
IC702b (8P)
VR702
JK702
RETURN
L (MONO)
RETURN
(+4dBu)
R
IC702a (8P)
JK703
C
IC802a (8P) VR801 IC804a (8P)
ST Mater
IC802b (8P) IC804b (8P)
AUX
AUX
IC801a (8P)
JK804
SEND AUX1
(+4dBu)
JK805
SEND AUX2
IC801b (8P) (+4dBu)
B A
MG10/2
JK802
L
ST OUT
(+4dBu)
R
JK803
JK701
L
REC OUT
(-10dBu)
R
JK701
LD801
PEAK
IC803 (24P)
LD802~812
ST L
LD813
LED DRIVER
PEAK
LD814~824
ST R
IC805 (24P)
IC806b (8P)
VR802
JK806
L
C-R/PHONES
C-R OUT
(-4dBu)
R
IC806a (8P)
JK807
PHONES
(3mw @ 40ohms)
JK808
3
1
2
3
4
5
6