Block & Level Diagram - Yamaha MG 166CX-USB Service Manual

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I
BLOCK & LEVEL DIAGRAM
JACK16X (MG166CX-USB, MG166CX)
JACK16 (MG166C-USB, MG166C)
JK101, 151
201, 251
301, 351
401, 451
MIC
JK102, 152
202, 252 [-60 to -16dBu]
302, 352
402, 452 LINE
CH INPUT
(CH1 to 8)
[-34 to +10dBu]
INSERT
JK103, 153
203, 253
I/O
303, 353
403, 453 [0dBu]
JK701, 751
MIC
[-60 to -16dBu]
ST CH INPUT
(CH9/10,11/12)
LINE L/MONO
LINE R
ST CH INPUT
(CH13/14,15/16)
[-10dBu]
RETURN
[+4dBu]
JK901
FOOT SW
EFFECT ON/OFF
CN001 (3P)
PS16X
PS16
AC POWER
ADAPTOR
PA-30 POWER
+30dBu
+20dBu
CH IN LINE Gain: Min [+10dBu]
+10dBu
0dBu
-10dBu
CH IN MIC Gain: Min [-16dBu]
-20dBu
-30dBu
CH IN LINE Gain: Max [-34dBu]
-40dBu
-50dBu
CH IN MIC Gain: Max [-60dBu]
-60dBu
MG166CX-USB/MG166CX/MG166C-USB/MG166C
J I H
MIX16X (MG166CX-USB, MG166CX)
SW056
MIX16 (MG166C-USB, MG166C)
PHANTOM
VR105, 155
+48V
IC101 SW101, 151
205, 255
201 VR102, 152 RE
PEAK 201, 251 305, 355
301 202, 252 301, 351
405, 455
302, 352
401 RE 401, 451
LD053 CH Fader
HPF
[0dBu] CH1 to 6
1 LD102, 152 ON
HA
7 202, 252
COMP 3-Stage EQ
302, 352
HPF
402, 452
IC102 SW101, 151
Gain Trim YE
202 201, 251
TH
302 301, 351
[16 to 60dB] LD101, 151
402 401, 451 CH7 to 8 201, 251
[0dBu] 301, 351
401, 451
VR104 VR102 VR103 VR101
LD702, 752
154 152 153 151
802, 852
204 202 203 201
254 252 253 251 PEAK
304 302 303 301
[0dBu]
354 352 353 351
RE
IC701-1/2 404 402 403 401
[-34 to +10dBu] VR705, 755
454 452 453 451
751-1/2
CH Fader
SW701
IC701-2/2
1 HPF SW701 751
751-2/2
HA
751
IC701, 751 [-10dBu]
HPF
[0dBu]
IC702-1/2 3-Stage EQ
752-1/2
JK702, 752
3 1 YE
HA
[0dBu] LD701
751
VR704 VR703 VR701
Gain Trim VR701
754 753 751
[-34 to +10dBu] 751
[6 to 50dB]
JK703, 753
5 7
HA 3-Stage EQ
[0dBu]
IC702-2/2
752-2/2
[-34 to +10dBu]
SW801
IC801-2/2 851
851-1/2
IC801, 851 ON
JK801, 851
5 7
HA 3-Stage EQ
3 1
[0dBu]
[0dBu]
L
YE LD801
JK803 VR804 VR803 VR801
851
854 853 851
IC801-1/2
851-2/2
JK802, 852
3 HA 1
3-Stage EQ
5 7
14R/16R
R
JK803
IC021-1/2
JK021 2 1 1
INV
L/MONO
[0dBu]
IC021-2/2
JK022
6 7 2
INV
R
IC001-1/2
L
2 1
SUM
2TR IN [0dBu]
[-10dBV]
IC001-2/2
JK001
[-7.8dBu]
6 7
SUM
R
MG166CX-USB
USB OUT(L) MG166CX
+15V
USB OUT(R)
DSP
MG166CX-USB
PFC_15 MG166CX-USB,
MG166C-USB
MG166CX
9
EC051
PROGRAM
(1-16)
DIGITAL
PARAMETER EFFECT
GR
CN102 (3P) CN101 (7P)
(DSP)
+15V
VR051
(MG166CX-USB, MG166CX)
-15V
+12V ICM07
SW051
(MG166C-USB, MG166C)
ON
+48V
YE
LD051
DGND
+5V
CNM02 (20P)
+15V
CN052 (20P)
POWER SUPPLY
-15V
Clip Level Clip Level Clip Level Clip Level
ST CH IN LINE Gain: Min [+10dBu]
RETURN [+4dBu]
2TR IN [-10dBV]
[-7.8dBu]
ST CH IN MIC Gain: Min [-16dBu] STCH IN CH Level
ST CH Level
[-10dBu]
[Nominal: -10dB]
STCH IN LINE Gain: Max [-34dBu]
STCH IN MIC Gain: Max [-60dBu]
G F E
MG166CX-USB/MG166CX MG166C-USB/MG166C
VR107, 108, 110 SW104-106
157, 158, 160 154-156
207, 208, 210 204-206
257, 258, 260 254-256
307, 308, 310 304-306
357, 358, 360 354-356
IC901-1/2
407, 408, 410 404-406
457, 458, 460 454-456
2 1
SUM
ST [0dBu]
IC102
202 IC901-2/2
302
PAN G1-2 [0dBu] 6 7
402
SUM
VR106, 156
2 BA 1
206, 256
6 7
[0dBu] 306, 356 G3-4 [0dBu]
IC902-1/2
[-10dBu]
406, 456
2 1
SUM
AUX1 [-6dBu]
PRE
IC902-2/2
AUX2 [-6dBu]
6 7
SUM
SW102, 152
202, 252
AUX* [-6dBu]
302, 352
402, 452 SW107, 157, 207, 257
[0dBu]
307, 357, 407, 457
PFL
PFC_15
IC702, 752-1/2 SW704-706
754-756
2 1
BA ST [0dBu]
BAL/PAN
G1-2 [0dBu]
VR706
756
G3-4 [0dBu]
IC702, 752-2/2
[-6dBu]
6 7
BA
VR707 IC951-1/2
SW702 AUX1
PRE 757
752
2 1
SUM
[-6dBu]
[0dBu]
VR708
AUX2
758
IC951-2/2
[-6dBu]
6 7
VR710 SUM
AUX*
760
PFL
PFC_15
SW707, 757
1-2/3-4
Same as CH9/10,11/12
SWM01
QM01
[-6dBu]
ST
VR031
QM02
AUX1 [-14dBu]
VR032
AUX2 [-14dBu]
VR033
IC001-1/2
To ST/To MONITOR
2 1
SUM
2TR IN
IC001-2/2
[-6dBu]
VR041
6 7
SUM
SW041
IC003-2/2
6 7
SUM
ST
[0dBu]
EFFECT RETURN
IC051-1/2
SW053
G1-2
3 1
BA
[-10dBu] [0dBu]
SW054
VR052 G3-4
IC051-2/2
[0dBu]
5 BA 7
SW055
AUX1 [-14dBu]
VR053
AUX2
[-14dBu]
PFL
VR054
PFC_15
SW052
Clip Level
CH AUX *1
[Nominal: -6dB] AUX SEND [+4dBu]
RETURN AUX SEND
2TR IN [Nominal: -6dB]
[Nominal: -6dB]
ST CH AUX *1
[Nominal: -6dB]
MODEL
AUX*
MG166C-USB, MG166C
AUX3
MG166CX-USB, MG166CX
EFFECT
D C B
MG166CX-USB/MG166CX/MG166C-USB/MG166C
IC903-1/2
[0dBu] [-10dBu]
3 1 JK051
BA
1
GROUP Fader
VR901
IC903-2/2
JK052
5 BA 7
2
IC904-1/2
GROUP OUT
[0dBu] [-10dBu]
3 1 JK053
BA
3
GROUP Fader
VR902
IC904-2/2
JK054
5 7
BA
4
IC905-2/2
TO ST
7 6
SUM
SW901
IC905-1/2
SW902
1 2
SUM
JK071
2 1
3
JK072 L
ST Fader
IC071
[-10dBu]
IC952-1/2
1
3
3 1 ST OUT
BA
JK073
6 7
[0dBu] [+4dBu]
2 1
3
VR951
IC072
R
IC952-2/2 JK074
7
5
5 7
BA
2 1
L
ST/GROUP JK001
QM03
R
ICM06-08
LDM01-1/2
[0dBu]
QM04 LED METER
ICM05-2/2
DR
SWM02
ICM03-1/2
ICM01-2/2
6 7 2 1
SUM SUM
[0dBu]
[0dBu]
ICM03-2/2
ICM01-1/2
2 1 6 7
SUM SUM
ICM05-1/2
DR
MONITOR/PHONES
ICM04-2/2
6 7
INV
LED METER
ICM09-11 [-16dBu]
VRM01
LDM01-2/2 ICM04-1/2
2 1
INV
AUX SEND 1
IC002-1/2
[0dBu] [-6dBu] JK041
3 1
BA
VR001
AUX SEND 2
IC002-2/2
[0dBu] [-6dBu] JK042
5 7
BA
VR002
AUX SEND *
IC003-1/2
[0dBu] [-6dBu] 3 1 JK043
BA
VR003
USB (MG166CX-USB)
[0dBu]
USB (MG166C-USB)
IC103-1/2
USB
2 1
USB IN(L) LPF
2
2
IC103-2/2
LIN 12 D-
6 7 USB
1
USB IN(R) LPF
3
RIN 13 AUDIO D+
IC101
LO 16 GND
IC104-1/2
USB OUT(L) 10
REG
1 2
RO 15
LPF
IC102
IC104-2/2 Vbus
USB OUT(R) 20 21
7 6
LPF
[0dBu]
Clip Level Clip Level Clip Level
GROUP OUT [+4dBu]
ST OUT [+4dBu]
MONITOR OUT [+4dBu]
REC OUT [-7.8dBu] PHONES [3mW @ 40ohms]
GROUP Fader ST Master
[Nominal: -10dB] [Nominal: -10dB]
MONITOR/PHONES
[Nominal: -16dB]
MG166CX-USB/MG166CX/MG166C-USB/MG166C
A
1
[+4dBu]
2
3
REC OUT
[-10dBV]
[-7.8dBu]
USB IN(L)
USB IN(R)
USB OUT(L)
USB OUT(R)
JKM01
4
L
MONITOR OUT
[+4dBu]
JKM02
R
JKM03
PHONES
[3mW @ 40ohms]
5
AUX SEND 1
[+4dBu]
AUX SEND 2
[+4dBu]
AUX SEND 3
(MG166C-USB, MG166C)
EFFECT SEND
(MG166CX-USB, MG166CX)
[+4dBu]
6
1
4
7
MG166CX-USB
MG166C-USB
+30dBu
+20dBu
+10dBu
0dBu
8
-10dBu
-20dBu
-30dBu
28CA1-2001015953
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