Block & Level Diagram （ブロック&レベルダイアグラム - Yamaha MW12CX Service Manual

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BLOCK & LEVEL DIAGRAM （ブロック&レベルダイアグラム）
JK12UX (MW12CX)
JK12U (MW12C)
JK001, 051
Q001, 002, 051, 052
101, 151
101, 102, 151, 152
IC001, 101
MIC
[0dBu]
HA
[-60~-16dBu]
JK002, 052
102, 152 HPF
LINE
IC002
Gain Trim
CH INPUT
[16~60dBu]
VR001, 051
(CH1~4) [-34~+10dBu]
101, 151
INSERT
I/O
[0dBu]
JK003, 053
Q201, 202
103, 153
301, 302
JK201, 301
IC201, 301 [-34~+10dBu]
MIC
HA
5
[-60~-16dBu] HPF
IC201, 301
ST CH INPUT
JK202, 302
(CH5/6,7/8)
LINE L/MONO
[-34~+10dBu]
JK203, 303
LINE R
[-34~+10dBu]
JK401, 501
L
JK452
ST CH INPUT
(CH9/10,11/12)
[-10dBu] JK451, 551
R
JK452
JK601
L/MONO
RETURN
JK602
[+4dBu]
R
JK651
L
2TR IN
[-10dBV]
JK651
[-7.8dBu]
R
JK951
FOOT SW
EFFECT ON/OFF
PS12X (MW12CX)
PS12 (MW12C)
SW01 F01, 02 IC01
AC POWER
ADAPTOR
PA-20
POWER
+30 d Bu
Clip Level
+20 d Bu
CH IN LINE Gain:Min [+10dBu] ST CH IN LINE Gain:Min [+10dBu]
+10 d Bu
0 d Bu
-10 d Bu
CH IN MIC Gain:Min [-16dBu] ST CH IN MIC Gain:Min [-16dBu]
-20 d Bu
-30 d Bu
CH IN LINE Gain:Max [-34dBu] ST CH IN LINE Gain:Max [-34dBu]
-40 d Bu
-50 d Bu
CH IN MIC Gain:Max [-60dBu] ST CH IN MIC Gain:Max [-60dBu]
-60 d Bu
MW12CX/MW12C
I H G
SW901
PHANTOM
+48V
LD002
052
PEAK
RE LD902
102
80
152
RE IC002, 102
IC003~005 CH Fader
HPF VR002, 052
ON
103~105 102, 152
COMP BA
3-Stage EQ
SW001
[-10dBu]
051
SW001, 051 101 VR004, 054
151 104, 154
101, 151
102 TH YE
VR001 VR003
053 LD001, 051
VR002, 052 051
103 101, 151
102, 152 101
[0dBu] 153
151
IC001, 101
[0dBu]
+15V
PEAK
PFC_15
LD202
RE
302
80
VR204, 304
HPF
SW201, 301
SW201, 301 CH Fader IC202, 302
ON
IC201, 301
7
3
3-Stage EQ BA
IC202, 302
[0dBu] [-10dBu]
HA
3 1
YE
[0dBu]
Gain Trim
LD201
[6~50dB] 301
5
HA 3-Stage EQ
BA
5 7
IC201, 301
IC202, 302
IC202, 302
[0dBu]
VR403, 503
SW401, 501
IC401 CH Fader
IC402, 502
ON
IC401, 501
3 1
3
HA 2-Stage EQ
BA
5 7
[0dBu] [-10dBu]
[0dBu]
IC501
YE
LD401
IC401 501
5 7 5
HA BA
2-Stage EQ
3 1
IC401, 501
IC402, 502
IC501
IC601
2 1
INV
[0dBu]
IC601
6 7
INV
IC651
[0dBu]
2 1
INV
IC651
6 7
INV
A
DSP2
(MW12CX only)
DOL
ICM07
PROGRAM
(1-16)
DIGITAL
EC951
DOR
EFFECT
PARAMETER
GR (DSP)
CN9 (7P)
VR951
ICM07
CN02 (7P) LD903
SW951
ON
MW12CX
YE
LD951 PFC_15
DIN
IC02 IC05 IC03 IC04
CNM02 (20P)
MW12CX
CN10 (20P)
Clip Level Clip Level Clip Level
RETURN [+4dBu]
2TR IN [-10dBV]
ST CH IN CH Level [-7.8dBu]
ST CH Level
[-10dBu]
[Nominal:-10dB]
F E
MW12CX MW12C
SW004, 054
VR005, 055 104, 154
ST
105, 155
[0dBu] IC701
2 1
SUM
SW005, 055
PAN 105, 155
REC
[0dBu]
IC701
6 7
[0dBu] PRE
SUM
VR006, 056 AUX1 (MW12C)
106, 156 [-6dBu]
AUX
(MW12CX)
[0dBu]
SW003
053 VR007, 057
AUX2 (MW12C) [-6dBu]
103 107, 157
153
EFFECT (MW12CX)
SW002, 052
102, 152
PFL
PFC_15
VR205, 305 ST
IC751
SW204, 304
[0dBu]
2 1
SUM
BAL/PAN
REC
1 SW205, 305
[0dBu]
[0dBu]
PRE
AUX1 (MW12C)
IC751
AUX (MW12CX)
SW202
302
6 7
[-14dBu]
SUM
VR206, 306
AUX2 (MW12C)
EFFECT
(MW12CX)
7
[-14dBu]
VR207, 307
ST/GROUP
PFL SW202, 302
PFC_15
ST
VR404, 504
[0dBu]
BAL SW404, 504
REC
1
[0dBu]
[0dBu]
PRE
SW405, 505
AUX1
(MW12C)
AUX
SW402 (MW12CX)
502
Q851
[-14dBu]
VR405, 505
AUX2
(MW12C)
EFFECT
(MW12CX)
7 Q852
[-14dBu]
VR406, 506
PFL SW403, 503
PFC_15
[-6dBu] IC801
ST
6 7
SUM
VR601
AUX1 (MW12C)
VR602 IC801
[-14dBu]
AUX (MW12CX)
2 1
SUM
TO STEREO/TO MONITOR
2TR IN
[-6dBu]
VR603
SW601
EFFECT RETURN IC951
3 1
BA
[-10dBu]
VR953
5 7
BA
AUX
IC951
VR952
[-14dBu]
SW952
PFL
Clip Level
CH AUX, EFFECT(MW12CX)
[Nominal:-6dB] AUX,EFFECT(MW12CX) SEND [+4dBu]
RETURN AUX,EFFECT(MW12CX) SEND
2TR IN
[Nominal:-6dB]
ST CH AUX, EFFECT(MW12CX) [Nominal:-6dB]
[Nominal:-6dB]
D C B
(MW12CX) MIX12UX
(MW12C) MIX12U
IC702
[-10dBu]
[0dBu] 3 1
BA
REC OUT/
VR701 GROUP 1-2 Fader
IC702
5 7
BA
IC703
TO ST
7 6
INV
IC703
SW701
1 2
INV
IC751
IC752
7
[0dBu] [-10dBu]
3 1
BA
1
[0dBu]
VR751
ST Fader
IC752
IC752
7
5 7
BA
1
Q853
LED METER
[0dBu]
IC901
SW702 Q854 LD901
IC902~904
2 1
DR
IC851 IC853 MONITOR IC851
2 1 2 1 6 7
SUM SUM INV
[0dBu]
[-6dBu]
VR852
[0dBu]
IC853
IC851 IC851
6 7
6 7 2 1
SUM SUM
INV
IC901
6 DR 7
IC852
2 1
INV
LD901
[-16dBu]
IC905~907
VR851 IC852
LED METER
6 7
INV
AUX1 SEND (MW12C)
IC802
AUX SEND (MW12CX)
PHONES
[0dBu] [-6dBu]
3 1
BA
VR801
AUX2 SEND
(MW12C)
IC802
EFFECT SEND (MW12CX)
[0dBu]
[-6dBu] 5 7
BA
VR802
IC103
[+4dBu]
2 1
LPF
IC103
LIN
6 7 IC101
LPF
RIN
USB
LO
AUDIO
IC104
[+4dBu] RO
1 2
LPF
to A
IC104
7 6
LPF 12MHz
Clip Level
Clip Level Clip Level
REC OUT2 [+4dBu]
ST OUT [+4dBu]
MONITOR OUT [+4dBu]
REC OUT/GROUP 1-2 Fader ST Master REC OUT1 [-7.8dBu] PHONES [3mW @ 40ohms]
[Nominal:-10dB] [Nominal:-10dB]
MONITOR [Nominal:-6dB]
PHONES [Nominal:-16dB]
A
MW12CX/MW12C
(MW12CX) JK12UX
(MW12C)
JK12U
1
JK701
1
REC OUT2
JK702
[+4dBu]
2
JK753
2
L
JK751
ST OUT
[+4dBu]
JK754
R
JK752
JK651
L
REC OUT1
[-10dBV]
JK651 3
[-7.8dBu]
R
JK851
L
MONITOR OUT
JK852 [+4dBu]
R
4
JK853
PHONES
[3mW @ 40ohms]
JK801
AUX1 SEND
(MW12C)
AUX SEND (MW12CX)
[+4dBu]
JK802
AUX2 SEND (MW12C)
5
EFFECT SEND
(MW12CX)
[+4dBu]
USB
(MW12CX)
6
(MW12C) USB
USB
JK101
D-
D+
GND
IC102
REG
Vbus
7
+30 d Bu
+20 d Bu
+10 d Bu
0 d Bu
-10 d Bu
-20 d Bu
-30 d Bu
8
28CA1-2001006030-1 3
MW12CX/MW12C
3