"P25"
STYLE
RED
LD1
1/2
5532
U5
2
3
1
1/2
5532
U3A
2
3
1
1K
R15
100R
R9C
CW
GAIN
20K
05C
P1C
82K
R10C
100u
16V
C4C
47K
R11A
100n
C2
1/2
TL072
U4A
2
3
1
100n
C4
16v
33u
C3C
16v
33u
C3A
100n
C3
100n
C15
47K
R11C
RCA
UNBAL-I/P
RCA
UNBAL-I/P
100n
C14
YORKVILLE
NAME:
PCB#&VER:
MODELS:
SCH ISSUE:
TITLE:
DATE:
M500
MICROMIX_MM-4
M500.SCH
JUN/17/99
4_CHANNEL_MIXER
7.10
100n
C16
100u
16V
C4A
82K
R10A
4K99
R7C
249R
R4C
INPUT
MIC
JB1C
1
3
2
D4
CW
GAIN
20K
05C
P1A
100R
R9A
249R
R3C
562R
R5C
1n
C12
82K
R19
15n
C11
1/2
5532
U5
6
5
7
47p
C7
47K
R20
CW
10K
B1
P5
CW
50K
B1
P4
CW
50K
B1
P3
2K2
R23
3K3
R21
4K7
R17
1K
R24
6K8
R22
2K2
R18
33K
R2C
33K
R1C
562R
R6C
4K99
R8C
47K
R14
47u
C1
47u
C9
4K7
R12A
4K7
R12C
4K7
R12B
4K7
R12D
CW
10K
B1
P2
6K8
R13
47p
C8
1/2
TL072
U6
6
5
7
10K
R26
10K
R30
2K
R27
2K
R32
S
R
T
GOLD
JB4
1
2
3
4
5
6
150K
R33
47K
R31
36K
R16
1n
C1C
100n
C10
1/2
5532
U1A
2
3
1
S
R
T
JB3
1
2
3
4
5
6
24K
R25
620R
R28
470R
R29
47K
R11B
4K99
R2A
47K
R11D
4K99
R1A
1n
C2A
MPSA13
Q1
1n
C1A
100n
C5
1n
C2B
4K99
R8A
D1
82K
R36
D2
D5D
D5
220K
R37
E B C
MPSA13
D5B
100n
C6
562R
R6A
100n
C19
D5A
D5C
D3
4K99
R7A
249R
R4A
INPUT
MIC
JB1A
1
3
2
S
R
T
LINE_IN
NO_GOLD
JB2A
1
2
3
4
5
6
249R
R3A
562R
R5A
100n
C13
16V
10u
C20
10u
10V
C24
10u
25v
C23
150K
R35
27p
C22
47K
R34
27p
C21
1/2
TL072
U2A
2
3
1
GREEN
LD2
1K8
R47
1/2
TL072
U6
2
3
1
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
#
DESCRIPTION OF CHANGE
VER#
DATE
MODEL(S):-
JUN/03/99
MAR/23/99
.
.
OCT/23/95
.
NOV/18/94
.
OCT/17/94
JUN/27/94
V
7.00
6.10
.
.
6.00
.
5.60
.
5.50
5.40
N
CLIP_CIRCUIT_CHANGED
I/P_CIRCUIT_CHANGED_SAME_AS_M522
.
.
.
.
PC#4704
.
PC#4653
PC#4637
MM-4
M500.SCH_DATABASE_HISTORY
IG
IG
+15V
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
V+
V+
V-
V-
HI
LO
MID
10K->4K7 U5 TL072->5532
MASTER VOLUME 50K->10K R12A,B,C,D
7.10
JUN/17/99
CLIP
pin 4 and pin 8 of the 5532
RFI rejection.
This is for
XLR ground.
and that channel’s
channel between
placed on each
These caps are
0dB
-40
0dB
1.2V
TO MATE WITH M1098
REMOVED AND EXTRA OP AMP ADDED
ALL POWER SUPPLY COMPONENTS
RCA JACKS.
REPLACE CHAN 3 PHONE JACK WITH
CAPS AND THERMAL BREAKER
REMOVED AC SECONDARY FUSES, AC
R25 FROM 62K TO 24K
1.3V
+V
ON LED
POWER
AMP-REF
AMP-IN
-15V
+15V
CONNECTED TO CHANNEL 2 OUTPUT
GND
GAINS AT MAXIMUM
1K Hz I/P WITH
TONE CONTROLS FLAT
= AC VOLTAGES WITH
1.3V
1.3V
TIP
ALL UNMARKED DIODES ARE IN4148
NOTE:
R10C
R10D
CONNECTED TO CHANNEL 4 OUTPUT
MASTER VOL.
AMP.
TO POWER
EFX LOOP
LED
CLIP
EFX RETURN
EFX SEND
U:\M500V71.PRN
