Alto MC700.4 User manual

Service Manual
ALTO
REV.2
Model: MC700.4

CONTENTS
1.Specifications
2.Block Diagram
3.Schematic Diagram
4.Printed Circuit Board
5.Test Procedures
6.Structural Drawing
7.Exploded View & Mechanical Parts List
8.Electrical Parts List

OutputPower
[email protected]%THD,stereoMode
8ohmsperchannel(EIAJ)
4ohmsperchannel(EIAJ)
BridgeMonoMode
8ohms,1kHz,0.1%THD(EIAJ)
Distortion(SMPTE-IM)
FrequencyResponse
DampingFactor,1kHz,0.1%THD(EIAJ)
SignaltoNoise,20Hz-20kHz
VoltageGain
Inputsensitivity@4ohms
Inputclipping
Inputimpedance
Controls
Indicators
TECHNICALSPECIFICATION
MC700.4Model
4x460W
4x750W
21450W×
<0.05%
20Hz-20kHz1dB,-3dBpoint:10Hz-60kHz±
>300@8ohms
>100dB
40(32dB)×
1Vrms
10Vrms(+22dB)
10Kohmsunbalanced,20Kohmsbalanced
Front:ACSwitch,Ch1-Ch4GainKnobs
Rear:MODESWITCHS
Power-On:BlueLED
Protection:GreenLED
LIMITER:YellowLED
Clip:RedLED
Parallel-input:YellowLED
Bridge:YellowLED
Level:GreenLED(-20and-10dB)
Connectors,eachchannel Input:TerminalBlock
Output:Screw-terminalBarrierBlock
Powersupply
cooling
Loadprotection
Dimensions
Netweight
Continuouslyvariable-speedfan,front-to-rearairflow
On/Offmuting,overheat &shortcircuitprotection
220-240(110-120)Vac50-60Hz
19"(48.3cm)rackmounting,5.2"(133cm)tall(3rackspaces),
15.9"(40.3cm)deep(rackmountingtorearsupportears)
30Kg
01-1

1 2 3 4
A B C D
4321
D C B A
ON
12345678910
CH1-IN CH2-IN
CH1/2-MODE
ON
12345678910
CH3-IN CH4-IN
CH3/4-MODE
CH1-Amplifier CH2-Amplifier CH3-Amplifier CH4-Amplifier
MC700.4
BLOCK DIAGRAM
02-1

1 2 3 4
A
B
C
D
4321
D
C
B
A
R2_67
NTC NP35L
R2_68
NTC NP35L
R2_73
2K7 10W
R2_74
2K7 10W
D2_31
1N4004
12
C2_46
470uF/50V
POWER SWITCH
1. COMPONENTS WITH ARE SAFETY CRITICAL PARTS.
100V
100V
0V
100V
100V
0V
13.5V
0V
115V or 120V
115V or 120V
0V
0V
T130℃
T130℃
PT-MIS6000-E
1
2
P1
PC250-90
1
2
P2
PC250-90
1 2
P8
CN-PCB6.3
1
2
P3
PC250-90
1
2
P4
PC250-90
1 2
P7
CN-PCB6.3
1
2
P5
PC250-90
1
2
P6
PC250-90
TRANS-IN
TRANS-IN
NEUTRAL
SWITCH
BD1
35A/200V
BD2
35A/200V
COM1
COM2
BRIDGE1+
BRIDGE1-
BRIDGE2+
BRIDGE2-
AC_1 (AC_2)
COM
MIS60PWR.Sch
Titel
Size
File:
Date: Drawn By: Sheet
RevisionModel No:
6-Mar-2006
MIS60PWR
MISTRAL6000 VER050201 A4
NEUTRAL
1
2
P9
LINE
1
2
P10
NEUT
1
2
P11
PC187
1
2
P12
CN-PCB6.3
1
2
1
2
1 2
P16
CN-PCB6.3
1 2
P15
CN-PCB6.3
115V/25A
230V/18A
BREAKER 1 2
3
4 5
K2_2
832A-1A-C
03-1

1 2 3 4
A
B
C
D
4321
D
C
B
A
R3
TRIMMER 100R
R2
TRIMMER 1K
R1
TRIMMER 1K
MC700SVR.Sch
Titel
Size
File:
Date: Drawn By: Sheet
RevisionModel No:
6-Mar-2006 C.C.LIN
MC700SVR
11 of
MC700.4 VER050822 A2
1
2
3
4
5
J1
CON5
03-2

1 2 3 4 5 6
A
B
C
D
654321
D
C
B
A
Title
Number RevisionSize
B
Date: 6-Mar-2006 Sheet of
File:
C:\Documentsand Settings\PC335\ \MC700.4\MC700.4\MC700.sch\MC7004PWR.SCH.Ddb桌面 技術手冊 技術手冊原檔
Drawn By:
1
2
P1_1
AC1
1
2
P1_3
AC2
1
2
P1_2
GND
BR1_1
BPC3510W
C1_2
0.1UF/250V
C1_3
0.1UF/250V C1_4 0.1UF/250V
C1_1
0.1UF/250V
1
12
23
34
4JP1
3.96-4P-180
1
2
P2_1
AC1
1
2
P2_3
AC2
1
2
P2_2
GND
BR2_1
BPC3510W
C2_2
0.1UF/250V
C2_3
0.1UF/250V C2_4
0.1UF/250V
C2_1
0.1UF/250V
1
12
23
34
4JP2
3.96-4P-180
1
2
P3_1
AC1
1
2
P3_3
AC2
1
2
P3_2
GND
BR3_1
BPC3510W
C3_2
0.1UF/250V
C3_3
0.1UF/250V
C3_4
0.1UF/250V
C3_1
0.1UF/250V
1
12
23
34
4JP3
3.96-4P-180
1
2
P4_1
AC1
1
2
P4_3
AC2
1
2
P4_2
GND
BR4_1
BPC3510W
C4_2
0.1UF/250V
C4_3
0.1UF/250V C4_4
0.1UF/250V
C4_1
0.1UF/250V
1
12
23
34
4JP4
3.96-4P-180
MC700.4PWR
03-3

1 2 3 4 5 6 7 8
A
B
C
D
87654321
D
C
B
A
C2_15
C2_16
1000uF/100V
C2_17
C2_18
C2_19
C2_20
C2_21
C2_22
C2_23
C2_24
C2_25
C2_26
16x1000uF/100V
R2_25
22R 1W R2_30
0.22 5W R2_31 0.22 5W R2_28 0.22 5W R2_29 0.22 5W
Q2_8 Q2_5 Q2_6
D2_9
1N4004
+83V_B
D2_15
1N5404
GND2
4x2SA1943
Q2_1
MJE15032
R2_23
1K 5W
R2_24
1K 5W
C2_40
22nF/100V poly
C2_13
3.3nF/50 cer
C2_14
3.3nF/50 cer
R2_62
5R6 1W
R2_22
5R6 1W GND2
D2_13
1N4004
Q2_2
MJE15033
D2_14
1N4004
Q2_9 Q2_10 Q2_11 Q2_12
R2_32
22R 1W R2_33
0.22 5W R2_34 0.22 5W R2_35 0.22 5W R2_36 0.22 5W
GND2
-83V_B
D2_16
1N5404
D2_11
1N4148
D2_12
1N4148
D2_5
1N4937
D2_6
1N4937
C2_11
22nF/50 cer
C2_12
33nF/50 cer
D2_7
ZD5V6 1/2W
R2_14
820R
R2_15
3K3 10W
R2_18
820R
R2_19
3K3 10W
D2_8
ZD5V6 1/2W
D2_10
1N4004
V2+
D2_1
ZD15V1.3W C2_8
220uF/25V
GND2
D2_2
W2-04
R2_9
470R
GND2
V2-
C2_7
56pF/50 cer
R2_8
10K
C2_10 27pF/50 cer
R2_11
15K SPEAKERS BUS
R2_10
330R
C2_9
47uF/16NP
GND2
GND2
CH2 GAIN
C2_6
47uF/25V
D2_4
ZD15V1.3W
C2_45
220uF/25V
GND2
RB2_1A
4x10K RB2_1B
4x10K
C2_3
100pF/50 cer
C2_5
47uF/25V
RB2_1C
4x10K
RB2_1D
4x10K
C2_4
100pF/50 cer
C2_2
22uF/50V
GND2
C2_1
22uF/50V
R2_17
NTC 50R
R2_16
TRIMMER 100R
R2_20
TRIMMER 1K
R2_21
TRIMMER 1K
3
21
U2_1A
NJM4580L
5
67
U2_1B
NJM4580L
84
U2_1C
NJM4580L
V2+
V2-
Q2_7
1
2
3
R2_5
3P-2.5
MC700MN-CH2.SCH
Titel
Size
File:
Date: Drawn By: Sheet
RevisionModel No:
6-Mar-2006 C.C.LIN
MC700MN-CH2
2of
MC700.4 VER050822 A2
3
21
U2_2A
NJM4580L
5
67
U2_2B
NJM4580L
R2_53
8K2
R2_54
10K
C2_35
56pF/50 cer
84
U2_2C
NJM4580L
V2+
V2-
CH2 PILOTLIM
R2_52
47R
D2_24
W2-04
GND2 R2_55
330R
C2_37
220uF/16V
41
2 3
U2_5
VTL5C2
GND2
R2_51
100K
GND2
C2_36
56pF/50 cer
GND2
(FTR VT90N1 VACTEC+)
R2_57
100R
GND2
CH2 INPUT
1 2
3 4
5 6
7 8
9 10
JP2_15
HEADER 5X2
GND2 GND2
TO USE ONLY CH2 PUT JUMPER ON PIN 6&8
OUTPUT STAGE_B 1 2
L2_1
2uH 10A
1 2
R2_39
5R6 2W
R2_40
12R 5W R2_41 12R 5W
C2_31
68nF/250V poly
GND2
K2_1
RELAY VBS SERIES
D2_23
1N4004
GND2
CH2 OUTPUT
1
2
JP2_1
CN-PCB6.3
1
2
JP2_2
CN-PCB6.3
2+
2-
GND2
TO
SPEAKON PCB
CH2 OUTPUT
D2_19
W2-04
R2_44
6K8 1W
R2_43
100K
Q2_16
MPSA92
R2_42
330K
Q2_15
MPSA92
D2_17
5mm RED LED
R2_46
100K R2_47 47K
D2_18
ZD7V5 1/2W
Q2_17
MPSA42
R2_48
330K
D2_20
1N4004
TURN ON DELAY
C2_32
10uF/63 C2_33 47uF/63V
R2_45
1K5 C2_34
220uF/16V NP
D2_21 ZD36V 1W
R2_63
1K 5W
D2_22
1N4004
R2_50
PTC 65R
R2_49
10K 5W
+83V_B
100R/10K
GND2
RELAY POWER2
CH2 BRIDGE
-V_FAN_CH2
VAC FAN1
FAN OUT CH2
VAC FAN2
1
2
JP2_5
CN-PCB6.3
1
2
JP2_6
CN-PCB6.3
1
2
JP2_9
JEF-505 1
2
JP2_10
JEF-505
RECTIFIER BRIDGE2+
+83V_B
COM2
1
2
JP2_7
CN-PCB6.3
1
2
JP2_8
CN-PCB6.3
1
2
JP2_11
JEF-505
1
2
JP2_12
JEF-505
RECTIFIER BRIDGE2-
-83V_B
AC INPUT
1
2
3
JP2_13
HEADER 3
1
2
3
4
D2_27
W2-04
C2_42
470uF/50V
IN
IN
G
G
OUT OUT
U2_4
LM317T
12 R2_1
1K8
R2_2
0R
C2_44
100nF/50 cer
C2_43
10uF/63
D2_28
1N4004
1
2
JP2_14
2P2.5
+12V
FAN
OUTPUT STAGE_B
RELAY POWER2
6.3x32 FUSE HOLDER
16AT
16AT
R2_3
NTC 500R
FAN OUT CH2
-V_FAN_CH2
VAC FAN1
VAC FAN2
ON/PROTECTION
CH2 PHOTO COUPLER
-15V
+15V
(1.5A 200V)
(1.5A 200V)
(1.5A 200V)
(1.5A 200V)
C2_30
100P/1000V
C2_38
100P/1000V
C2_39 22uF/50
41
2 3
U1
VTL5C2
Q2
MPSA42
Q3
MPSA42
Q1
MPSA42
R4
4K7
R5
4K7
R6
1K
R8
4K7
R3
100K
Vd
Vd
Vd
Vg
Vg
R2
100K
Vd
ON--2K
OFF-
BRIDGE-LED
PARALLEL-LED
R1
1K R7
100K
CH2-LIMIT
C2_28
0.047uF/50 cer
C2_27
0.22uF/50 cer C2_29
0.1uF/50 cer
R2_12
4K75
R2_4
15K
R2_13
47K5
CH2-F35
CH2-F75
CH2-FILTER
BRIDGE
PARALLEL
CH2-IN+
CH2-IN-
CH2-GND
CH2-Vg
CH2-LIMIT
CH2-F35
CH2-F75
CH2-FILTER
CH2-IN+
CH2-IN-
CH2-GND
BRIDGE
CH2-Vg
PARALLEL
CH1-CLIP-
CH1-CLIP+
CH1-LIMT+ CH1-LIMT-
CH1-OPER1 CH1-OPER2
CH1-LEVEL
CH1-V+
CH1-V-
PAR-LED+
PAR-LED-
BRD-LED+
BRD-LED-
CH1-LIMT+ CH1-LIMT-
CH1-CLIP-CH1-CLIP+
BRD-LED+ BRD-LED-
PAR-LED+ PAR-LED-
CH1-LEVEL
CH1-V+ CH1-V-
CH1-OPER1 CH1-OPER2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
JP2_16
HEADER 7X2
GND2
1 2
3 4
5 6
7 8
9 10
11 12
13 14
JP2_3
HEADER 7X2
IN
IN
G
G
OUT OUT
U2
7812
D1
1N4004
C1
100uF/50
C2
22uF/50
Vg
Vd
D2
1N4004
12 R9
47K
12
R10
0R
1
2
3
4
5
J2_1
CON5
03-4

1 2 3 4 5 6 7 8
A
B
C
D
87654321
D
C
B
A
C1_15
C1_16
1000uF/100V
C1_17
C1_18
C1_19
C1_20
C1_21
C1_22
C1_23
C1_24
C1_25
C1_26
12x1000uF/100V
R1_25
22R 1W R1_30
0.22 5W R1_31 0.22 5W R1_28 0.22 5W R1_29 0.22 5W
Q1_8 Q1_5 Q1_6
D1_9
1N4004
+83V_A
D1_15
1N5404
GND1
4x2SA1943
Q1_1
MJE15032
R1_23
1K 5W
R1_24
1K 5W
C1_40
22nF/100V poly
C1_13
3.3nF/50 cer
C1_14
3.3nF/50 cer
R1_62
5R6 1W
R1_22
5R6 1W GND1
D1_13
1N4004
Q1_2
MJE15033
D1_14
1N4004
Q1_9 Q1_10 Q1_11 Q1_12
R1_32
22R 1W R1_33 0.22 5W R1_34 0.22 5W R1_35 0.22 5W R1_36 0.22 5W
GND1
-83V_A
D1_16
1N5404
D1_11
1N4148
D1_12
1N4148
D1_5
1N4937
D1_6
1N4937
C1_11
22nF/50 cer
C1_12
33nF/50 cer
D1_7
ZD5V6 1/2W
R1_14
820R
R1_15
3K3 10W
R1_18
820R
R1_19
3K3 10W
D1_8
ZD5V6 1/2W
D1_10
1N4004
V1+
D1_1
ZD15V1.3W C1_8
220uF/25V
GND1
D1_2
W2-04
R1_9
470R
GND1
V1-
C1_7
56pF/50 cer
R1_8
10K
C1_10
27pF/50 cer
R1_11
15K SPEAKERS BUS
R1_10
330R
C1_9
47uF/16NP
GND1
GND1
CH1 GAIN
C1_6
47uF/25V
D1_4
ZD15V1.3W
C1_45
220uF/25V
GND1
RB1_1A
4x10K RB1_1B
4x10K
C1_3
100pF/50 cer
C1_5
47uF/25V
RB1_1C
4x10K
RB1_1D
4x10K
C1_4
100pF/50 cer
C1_2
22uF/50V
GND1
C1_1
22uF/50V
R1_17
NTC 50R
R1_16
TRIMMER 100R
R1_20
TRIMMER 1K
R1_21
TRIMMER 1K
3
21
U1_1A
NJM4580L
5
67
U1_1B
NJM4580L
84
U1_1C
NJM4580L
V1+
V1-
Q1_7
1
2
3
R1_5
3P-2.5
MC700MN-CH1.SCH
Titel
Size
File:
Date: Drawn By: Sheet
RevisionModel No:
6-Mar-2006 C.C.LIN
MC700.4MN-CH1
2of
MC700.4 VER050822 A2
3
21
U1_2A
NJM4580L
5
67
U1_2B
NJM4580L
R1_53
8K2
R1_54
10K
C1_35
56pF/50 cer
84
U1_2C
NJM4580L
V1+
V1-
CH1 PILOTLIM
R1_52
47R
D1_24
W2-04
(CH1 LIMITER MODE)
GND1 R1_55
330R
C1_37
220uF/16V
41
2 3
U1_5
VTL5C2
GND1
R1_51
100K
GND1
C1_36
56pF/50 cer
GND1
(FTR VT90N1 VACTEC+)
R1_57
100R
GND1
CH1 INPUT
1 2
3 4
5 6
7 8
9 10
JP1_15
HEADER 5X2
GND1 GND1
TO USE ONLY CH2 PUT JUMPER ON PIN 6&8
OUTPUT STAGE_A 1 2
L1_1
2uH 10A
1 2
R1_39
5R6 2W
R1_40
12R 5W R1_41 12R 5W
C1_31
68nF/250V poly
GND1
K1_1
RELAY VBS SERIES
D1_23
1N4004
GND1
CH1 OUTPUT
1
2
JP1_1
CN-PCB6.3
1
2
JP1_2
CN-PCB6.3
1+
1-
GND1
TO
SPEAKON PCB
CH1 OUTPUT
D1_19
W2-04
R1_44
6K8 1W
R1_43
100K
Q1_16
MPSA92
R1_42
330K
Q1_15
MPSA92
D1_17
5mm RED LED
R1_46
100K R1_47 47K
D1_18
ZD7V5 1/2W
Q1_17
MPSA42
R1_48
330K
D1_20
1N4004
TURN ON DELAY
C1_32
10uF/63 C1_33 47uF/63V
R1_45
1K5 C1_34
220uF/16V NP
D1_21 ZD36V 1W
R1_63
1K 5W
D1_22
1N4004
R1_50
PTC 65R
R1_49
10K 5W
+83V_A
100R/10K
GND1
RELAY POWER1
-V_FAN_CH1
VAC FAN1-CH1
FAN OUT CH1
VAC FAN2-CH1
1
2
JP1_5
CN-PCB6.3
1
2
JP1_6
CN-PCB6.3
1
2
JP1_9
JEF-505 1
2
JP1_10
JEF-505
RECTIFIER BRIDGE1+
+83V_A
COM1
1
2
JP1_7
CN-PCB6.3
1
2
JP1_8
CN-PCB6.3
1
2
JP1_11
JEF-505
1
2
JP1_12
JEF-505
RECTIFIER BRIDGE1-
-83V_A
AC INPUT
1
2
3
JP1_13
HEADER 3
1
2
3
4
D1_27
W2-04
C1_42
470uF/50V
U1_4
LM317T
12 R1_1
1K8
R1_2
0R
C1_44
100nF/50 cer
C1_43
10uF/63
D1_28
1N4004
1
2
JP1_14
2P2.5
+12V
FAN
OUTPUT STAGE_A
RELAY POWER1
6.3x32 FUSE HOLDER
16AT
16AT
R1_3
NTC 500R
FAN OUT CH1
-V_FAN_CH1
VAC FAN1-CH1
VAC FAN2-CH1
ON/PROTECTION
CH1 PHOTO COUPLER
-15V
+15V
R1_64
12K7
CH1 BRIDGE SWITCH
(1.5A 200V)
(1.5A 200V)
(1.5A 200V)
(1.5A 200V)
C1_30
100P/1000V
C1_38
100P/1000V
C1_39 22uF/50
4x2SC5200
C1_28
0.047uF/50 cer
C1_27
0.22uF/50 cer C1_29
0.1uF/50 cer
R1_13
4K75
R1_12
15K
R1_26
47K5
CH1-LIMIT
CH1-F35
CH1-F75
CH1-FILTER
CH1-IN-
CH1-IN+
CH1-GND
CH1-LIMIT
CH1-F35
CH1-F75
CH1-FILTER
CH1-IN-
CH1-IN+
CH1-GND
CH1-CLIP-
CH1-CLIP+
CH1-LIMT+ CH1-LIMT-
CH1-OPER1 CH1-OPER2
CH1-LEVEL
CH1-V+
CH1-V-
CH1-OPER1 CH1-OPER2
CH1-LIMT+ CH1-LIMT-
CH1-CLIP-CH1-CLIP+
CH1-LEVEL
CH1-V+ CH1-V-
1 2
3 4
5 6
7 8
9 10
JP1_16
HEADER 5X2
GND1
1 2
3 4
5 6
7 8
9 10
JP1_3
HEADER 5X2
1
2
3
4
5
J1_1
CON5
03-5

1 2 3 4
A
B
C
D
4321
D
C
B
A
MC700LED.Sch
Titel
Size
File:
Date: Drawn By: Sheet
RevisionModel No:
6-Mar-2006 C.C.LIN
MC700.4LED
11 of
MC700.4 VER050822 A4
Vic-
Vic+
Vic2-
Vic2+
LD1_2
RED
LD1_5
GR
LD1_6
GR
LD1_1
GR
LD1_3
YEL LD1_4
YEL
LD2_1
GR LD2_3 YEL LD2_4 YEL
LD2_2
RED
CLIP
-10dB
-20dB PROTLIMIT PAR BRIDGEPROT LIMIT CLIP
R1_3
2K80
R1_4
191K
R1_6
1K82
R1_2
10K
R1_7
6K04
Vic+
CH1-LEVEL CH2-LEVEL
CH1-LEVEL
CH2-LEVEL
1 2 3 4 5 6 7 8 9 10
J3
HEADER 5X2
Vic3-
Vic3+
LD3_2
RED LD3_1 GR
LD3_3
YEL LD3_4 YEL
LD4_1
GR LD4_3 YEL LD4_4 YEL
LD4_2
RED
CLIP PROTLIMIT BRIDGE
CH3-LEVEL
CH3-LEVEL CH4-LEVEL
3
21
U1A
393
5
67
U1B
393
4 8
U1C
393
Vic-
LD3_5
GR
LD3_6
GR
R3_3
2K80
R3_4
191K
R3_6
1K82
R3_2
10K
R3_7
6K04
Vic3+
3
21
U3A
393
5
67
U3B
393
4 8
U3C
393
Vic3-
LD2_5
GR
LD2_6
GR
-10dB
-20dB
R2_3
2K80
R2_4
6K04
R2_6
1K82
R2_2
10K
R2_7
191K
Vic2+
3
21
U2A
393
5
67
U2B
393
4 8
U2C
393
Vic2-
LD4_5
GR
LD4_6
GR
-10dB
-20dB
R4_3
2K80
R4_4
6K04
R4_6
1K82
R4_2
10K
R4_7
191K
Vic4+
3
21
U4A
393
5
67
U4B
393
4 8
U4C
393
Vic4-
1 2 3 4 5 6 7 8 9 10
J1
HEADER 5X2
GND1
GND3
GND2
GND4
GND1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
J2
HEADER 7X2
GND2
GND3
Vic4-
Vic4+
PARPROT LIMIT CLIP
CH4-LEVEL
1 2 3 4 5 6 7 8 9 10 11 12 13 14
J4
HEADER 7X2
GND4
Vic+
Vic+
Vic3+
Vic3+ Vic4+
Vic4+
Vic2+
Vic2+
R1_1
1K82
Vic+
R3_1
1K82
Vic3+
R4_1
1K82
Vic4+
R2_1
1K82
Vic2+
R1_8
100K
GND1
R3_8
100K
GND3
R4_8
100K
GND4
R2_8
100K
GND2
03-6