Alto DPA2500, DPA4000 Schematic
7654321
8
D
C
XLR FEMALE90
XLR MALE90
(PARALLEL OUTPUT)
B
A
R1_58
68K 1/2W
CH1 BILED2
CH1 CLIP -
+15V
D1_1
ZD15V1.3W
GND1
7
C1_12
N/C
GND1
D1_4
-15V
R1_11
15K SPEAKERS BUS
C1_9
0R
3
2
1
C1_8
220uF/25V
C1_11
560pF/50 cer
R1_17
NTC 50R
C1_45
220uF/25V
R1_64
15K
1
4
3
R1_15
3K3 10W
R1_14
820R
D1_7
ZD5V6 1/2W
D1_5
1N4936
D1_6
1N4936
R1_16
TRIMMER 100R
R1_18
820R
D1_8
ZD5V6 1/2W
R1_19
3K3 10W
V1+
84
V1-
VAC FAN1-CH1
D1_27
(1.5A 200V)
W2 -0 4
2
-V_FAN_CH1
VAC FAN2-CH1
D1_9
1N4148
MJE15032
D1_11
0R
R1_21
TRIMMER 1K
R1_20
TRIMMER 1K
D1_12
0R
Q1_2
MJE15033
D1_10
1N4148
U1_1C
NJM4580L
C1_42
470uF/35V
Q1_1
R1_62
5R6 1W
R1_22
5R6 1W
R1_1
1K8
V1+
84
V1-
R1_25
22R 1W
TP1_3
TP1_6
R1_32
22R 1W
U1_2C
NJM4580L
U1_4
LM317T
12
R1_28
0.22 5W
Q1_5 Q1_6
4xTR-93P(ALTO)
12x1000uF/100V
C1_15
C1_17
D1_13
C1_13
3.3nF/50 cer
GND1
C1_14
3.3nF/50 cer
1000uF/100V
C1_16
1N4148
C1_40
22nF/100V poly
D1_14
1N4148
C1_18
4xTR-94N(ALTO)
Q1_9 Q1_10 Q1_11 Q1_12
R1_33
R1_34
0.22 5W
C1_44
100nF/50 cer
R1_35
0.22 5W
C1_43
10uF/63
0.22 5W
R1_3
NTC 100R
R1_2
150R
R1_29
0.22 5W
C1_19
C1_20
R1_36
0.22 5W
D1_28
1N4004
R1_30
0.22 5W
Q1_7 Q1_8
C1_21
C1_23
R1_23
1K 5W
R1_24
1K 5W
C1_22
C1_24
FAN OUT CH1
+12V
JP1_14
2P2.5
2
1
FAN
C1_25
C1_26
GND1
D1_15
1N5402
GND1
D1_16
1N5402
R1_31
0.22 5W
OUTPUT STAGE_A
+83V_A
1 2
1 2
-83V_A
GND1
K1_1
R1_39
5R6 2W
L1_1
2uH 10A
R1_40
12R 5W
GND1
5mm RED LED
Q1_15
MPSA92
D1_19
W2 -0 4
(1.5A 200V)
R1_44
6K8 1W
R1_41
12R 5W
C1_31
68nF/250V poly
CH1 BILED1
D1_17
R1_42
330K
Q1_16
MPSA92
R1_43
100K
RELAY VBS SERI ES
D1_23
1N4004
ON/PROTECTION
R1_46
100K
R1_47 47K
D1_20
1N4004
R1_48
330K
C1_32
10uF/63
R1_45
1K5
RELAY POWER1
CH1 OUTPU T
GND1
D1_18
ZD7V5 1/2W
CH1 BILED2
C1_33
47uF/63V
C1_ 34
220uF/16V NP
D1_22
1N4004
GND1
R1_63
1K 3W
CN-P CB6. 3
CH1 OUTPUT
SPEAKON PCB
JP1_2
CN-P CB6. 3
+83V_A
R1_49
10K 5W
R1_50
PTC 65R
100R/10K
Q1_17
MPSA42
TURN ON DELAY
D1_21
ZD36V 1W
JP1_1
MISTRAL2500 Schematic Diagram 1 of 2
CH2 AMPLIFIER
MIS25-CH2.S CH
Titel
ALTO MISTRAL2500-CH1 DRIVE
PCB# MIS4000.PCB
Size
Date:
File:
A2
MISTRAL2500
9-Apr-2004
MIS25-CH1.Sch
Sheet
Drawn By:
1
2
TO
1
2
RevisionModel No:
KEVIN LIN.
D
1+
1-
C
B
A
VER031212
21of
CH1 INPUT
J1_1
J1_2
R1_53
8K2
(CH1 LIMITER MODE)
1
3
2
2
3
1
GND1
V1+
C1_35
56pF/50 cer
2
3
GND1
NJM4560L
(1.5A 200V)
S1_1A
3
1
GND1
2 1
SW 2C_2P
CH1 I N-
CH1 I N+
FCT TAUD6 00
(OPTION)
D1_25
1N4004
2
5
4
T1_1
GND1 GND1
CH1 INSERT CONNECTOR
R1_54
10K
1
U1_2A
D1_24
W2 -0 4
2
J1_4
3P2.5
GND1
1
3
J1_5
3P2.5
1 2
3 4
5 6
7 8
9 10
JP1_3
HEADER 5X2
-V_FAN_CH1
VAC FAN1-CH1
6
5
GND1
U1_2B
NJM4560L
R1_52
47R
C1_37
220uF/16V
CH1 CLIP +
R1_9
100R
GND1
CH1 CLIP -
C1_1
RB1_1A
6
9
7
8
22uF/50V
22uF/50V
4x10K
RB1_1C
4x10K
C1_2
C1_4
100pF/50 cer
CH1 INSERT IN
CH1 I NSE RT OUT
D1_26
2 1
1N4004
BRIDGED
6
4
NORMAL
GND1 GND1
HEADER 5X2
7
R1_55
330R
(FTR VT90N1 VACTEC+)
CH1 PHOTO COUPLER
D1_2
W2 -0 4
(1.5A 200V)
2
3
RB1_1D
4x10K
GND1
GND1
47uF/35V
V1-
S1_1B
SWITCH 2C_2P
5
1 2
3 4
5 6
7 8
9 10
JP1_15
-83V_A
+83V_A
CH1 BILED1
CH1 CLIP +
R1_57
100R
U1_5
VTL5C2
41
2 3
GND1
C1_3
100pF/50 cer
RB1_1B
4x10K
1
U1_1A
NJM4560L
C1_6
3
2
1
R1_5
3P-2.5
CH1 GAIN
CH1 BRID GE SWITCH
FAN OUT CH1
VAC FAN2-CH1
56pF/50 cer
C1_5
47uF/35V
C1_36
GND1
GND1
R1_7 4K7
R1_6
4K7
R1_56
82K 1/2W
R1_51
100K
GND1
R1_8
10K
1 2
3 4
5 6
7 8
9 10
JP1_16
HEADER 5X2
CH1 P ILOTLIM
56pF/50 cer
6
5
U1_1B
NJM4560L
R1_10
V1+
C1_7
R1_13
68R
C1_38
1.5nF/250 cer
ZD15V1.3W
V1-
C1_10
27pF/50 cer
330R
GND1
TO USE ONLY CH2 PUT JUMPER ON PIN 6&8
JP1_5
CN-P CB6. 3
2
1
RECTIFIER BRIDGE1+
JP1_6
CN-P CB6. 3
2
1
COM1
JP1_7
CN-P CB6. 3
2
1
RECTIFIER BRIDGE1-
JP1_8
CN-P CB6. 3
2
1
AC INPUT
1 2 3 4 5 6 78
OUTPUT STAGE_A
RELAY POWER1
JP1_9
JEF-505
1
2
JP1_11
JEF-505
1
2
FUSE1-1
FUSE1-2
6.3x32 FUSE HOLDER
16AT
16AT
JP1_10
JEF-505
1
2
JP1_12
JEF-505
1
2
+83V_A
-83V_A
JP1_13
HEADER 3
7654321
8
D
C
XLR FEMALE90
XLR MALE90
(PARALLEL OUTPUT)
B
A
R2_58
68K 1/2W
CH2 BILED2
CH2 CLIP -
+15V
D2_1
ZD15V1.3W
GND2
7
C2_12
N/C
GND2
D2_4
-15V
R2_11
15K SPEAKERS BUS
C2_9
0R
3
2
1
C2_8
220uF/25V
C2_11
560pF/50 cer
R2_17
NTC 50R
C2_45
220uF/25V
1
4
3
R2_15
3K3 10W
R2_14
820R
D2_7
ZD5V6 1/2W
D2_5
1N4936
D2_6
1N4936
R2_16
TRIMMER 100R
R2_18
820R
D2_8
ZD5V6 1/2W
R2_19
3K3 10W
V2+
84
V2-
VAC FAN1
D2_27
W2 -0 4
(1.5A 200V)
2
-V_FAN_CH2
VAC FAN2
D2_9
1N4148
MJE15032
D2_11
0R
R2_21
TRIMMER 1K
R2_20
TRIMMER 1K
D2_12
0R
Q2_2
MJE15033
D2_10
1N4148
U2_1C
NJM4580L
C2_42
470uF/35V
Q2_1
R2_62
5R6 1W
R2_22
5R6 1W
R2_1
1K8
V2+
84
V2-
R2_25
22R 1W
TP2_3
TP2_6
R2_32
22R 1W
U2_2C
NJM4580L
U2_4
LM317T
12
R2_28
0.22 5W
Q2_5
4xTR-93P(ALTO)
12x1000uF/100V
C2_15
C2_17
D2_13
C2_13
3.3nF/50 cer
GND2
C2_14
3.3nF/50 cer
1000uF/100V
C2_16
1N4148
C2_40
22nF/100V poly
D2_14
1N4148
C2_18
4xTR-94N(ALTO)
Q2_9 Q2_10 Q2_11 Q2_12
R2_33
R2_34
0.22 5W
C2_44
100nF/50 cer
R2_35
0.22 5W
C2_43
10uF/63
0.22 5W
R2_3
NTC 100R
R2_2
150R
R2_29
0.22 5W
Q2_6
C2_19
C2_20
R2_36
0.22 5W
D2_28
1N4004
R2_30
0.22 5W
Q2_7
C2_21
C2_23
R2_23
1K 5W
R2_24
1K 5W
C2_22
C2_24
FAN OUT CH2
+12V
JP2_14
2P2.5
2
1
FAN
R2_31
0.22 5W
Q2_8
GND2
C2_25
OUTPUT STAGE_B
C2_26
D2_15
1N5402
GND2
D2_16
1N5402
+83V_B
K2_1
RELAY VBS SERI ES
CH2 OUTPU T
R2_39
5R6 2W
1 2
L2_1
1 2
-83V_B
2uH 10A
MPSA92
D2_19
W2 -0 4
(1.5A 200V)
GND2
R2_40
12R 5W
C2_31
68nF/250V poly
GND2
CH2 BILED1
D2_17
5mm RED LED
Q2_15
MPSA92
R2_44
6K8 1W
R2_41
12R 5W
R2_42
330K
Q2_16
R2_43
100K
D2_23
1N4004
ON/PROTECTION
R2_46
100K
D2_20
1N4004
C2_32
10uF/63
R2_45
1K5
RELAY POWER2
R2_47 47K
R2_48
330K
GND2
D2_18
ZD7V5 1/2W
CH2 BILED2
C2_33
47uF/63V
C2_ 34
220uF/16V NP
D2_22
1N4004
GND2
+83V_B
Q2_17
MPSA42
TURN ON DELAY
D2_21
ZD36V 1W
R2_63
1K 3W
MISTRAL2500 Schematic Diagram 2 of 2
Titel
ALTO MISTRAL2500-CH2 DRIVE
PCB# MIS4000.PCB
Size
Date:
File:
A2
MISTRAL2500
9-Apr-2004
MIS25-CH2.Sch
Sheet
Drawn By:
JP2_1
CN-P CB6. 3
1
2+
2
CH2 OUTPUT
TO
SPEAKON PCB
1
2-
2
JP2_2
CN-P CB6. 3
R2_49
10K 5W
R2_50
PTC 65R
100R/10K
RevisionModel No:
VER031212
21of
KEVIN LIN.
D
C
B
A
CH2 LIMITER MODE
CH2 INPUT
1
3
2
J2_1
2
3
1
J2_2
V2+
R2_53
8K2
GND2
(CH1 LIMITER MODE)
CH2 I N-
CH2 I N+
FCT TAUD6 00
(OPTION)
GND2
2 1
D2_25
1N4004
GND2
R2_54
10K
R2_52
47R
1
2
GND2
1
6
9
7
8
3
1 2
3 4
5 6
7 8
9 10
JP2_3
HEADER 5X2
CH2 BRID GE
-V_FAN_CH2
VAC FAN1
6
5
22uF/50V
22uF/50V
C2_35
56pF/50 cer
2
3
U2_2A
NJM4560L
D2_24
W2 -0 4
(1.5A 200V)
S2_1A
3
1
SW 2C_2P
J2_4
3P2.5
GND2
2
5
4
T2_1
J2_5
3P2.5
GND2 GND2
CH2 INSERT CONNECTOR
7
U2_2B
NJM4560L
R2_55
330R
C2_37
220uF/16V
(FTR VT90N1 VACTEC+)
CH2 PHOTO COUPLER
CH2 CLIP +
R2_9
100R
GND2
1 2
3 4
5 6
7 8
9 10
JP2_15
W2 -0 4
(1.5A 200V)
2
3
RB2_1D
4x10K
GND2
V2-
S2_1B
SWITCH 2C_2P
5
CH2 CLIP -
C2_1
RB2_1A
4x10K
RB2_1C
4x10K
C2_2
C2_4
100pF/50 cer
CH2 INSERT IN
CH2 I NSE RT OUT
D2_26
2 1
1N4004
BRIDGED
6
4
NORMAL
GND2 GND2
HEADER 5X2
-83V_B
+83V_B
R2_57
100R
U2_5
VTL5C2
41
D2_2
C2_3
100pF/50 cer
RB2_1B
4x10K
C2_6
47uF/35V
CH2 GAIN
CH2 BILED1
CH2 CLIP +
56pF/50 cer
2 3
GND2
C2_5
47uF/35V
1
U2_1A
NJM4560L
3
2
1
R2_5
3P-2.5
CH2 LIMITER MODE
FAN OUT CH2
VAC FAN2
C2_36
GND2
GND2
R2_7 4K7
R2_6
4K7
R2_56
82K 1/2W
R2_51
100K
GND2
R2_8
10K
1 2
3 4
5 6
7 8
9 10
JP2_16
HEADER 5X2
CH2 P ILOTLIM
56pF/50 cer
6
5
U2_1B
NJM4560L
R2_10
V2+
C2_7
R2_13
68R
C2_38
1.5nF/250 cer
ZD15V1.3W
V2-
C2_10
27pF/50 cer
330R
GND2
TO USE ONLY CH2 PUT JUMPER ON PIN 6&8
JP2_5
CN-P CB6. 3
2
1
RECTIFIER BRIDGE2+
JP2_6
CN-P CB6. 3
2
1
COM2
JP2_7
CN-P CB6. 3
2
1
RECTIFIER BRIDGE2-
JP2_8
CN-P CB6. 3
2
1
AC INPUT
1 2 3 4 5 6 78
OUTPUT STAGE_B
RELAY POWER2
JP2_9
JEF-505
1
2
JP2_11
JEF-505
1
2
FUSE2-1
16AT
FUSE2-2
6.3x32 FUSE HOLDER
16AT
JP2_10
JEF-505
1
2
JP2_12
JEF-505
1
2
+83V_B
-83V_B
JP2_13
HEADER 3
D
C
B
A
VER030710
11of
C.C.LIN
RevisionModel No:
4
Drawn By:
Sheet
2
MISTRAL4000
2
D1_30
1 2
321
D2_30
1 2
3mm YELLOW LED
3mm YELLOW LED
D1_3
LIMITER
LIMITER
1 2
D2_3
1 2
D1_29
CLIP
3mm RE D LED
D2_29
CLIP
3mm RE D LED
POWER ON
3mm BL UE LE D
1 2
POWER ON
3mm BL UE LE D
1 2
RED
D1_1
RED
D2_1
GREEN
1
1
2
2
GREEN
1
1
JP1_22
1 2
3 4
5 6
7 8
9 10
3mm R/G BLCOL LED
ON/PROTECTION
JP2_22
1 2
3mm R/G BLCOL LED
ON/PROTECTION
3 4
HEADER 5X2
5 6
7 8
9 10
HEADER 5X2
ALTO : MIST RAL4000 FP
9-Apr -2004
MIS40FP.Sch
A4
Titel
Size
File:
Date:
VR1_1
B50K
123
CN1_1
D
3P2.5
CN2_1
C
VR2_1
B50K
123
3P2.5
B
A
1 2 34
D
C
B
A
VER031206
11of
C.C.LIN
RevisionModel No:
4
Drawn By:
Sheet
MISTRAL4000
ALTO : MIST RAL4000 INPUT
9-Apr -2004
MIS40IN.Sch
A4
Titel
Size
File:
Date:
321
CN4
123
CN2
CON3
CN3
12345
CON5
123
CON3
123
CN1
CON3
PJ1
PHONEJACK2
1 2 34
D
C
B
A
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