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Alto MC700.4 Service Manual page 9

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

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