Alto MC500.4, Руководство по обслуживанию

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1 2 3 4 5 6 7 8
A
B
C
D
8 7 6 5 4 3 2 1
D
C
B
A
4700uF/80V
R2_13
22R 1W R2_19
0.1R 3W R2_23
0.1R 3W
Q2_7
D2_6
1N4148
+73V_B
D2_15
1N4004
GND1
2xMJL21193
Q2_1
MJE15032
R2_21
500R 3W
C2_13
22nF/100V poly
C2_11
3.3nF/50 cer
C2_12
3.3nF/50 cer
R2_17
4R7
R2_18
4R7
GND1
D2_19
1N4148
Q2_2
MJE15033
D2_10
1N4148
Q2_4 Q2_8
R2_14
22R 1W R2_20
0.1R 3W R2_24
0.1R 3W
GND1
-73V_B
D2_17
1N4004
D2_11
1N4937
D2_12
1N4937
C2_9
2.2nF/50 cer
C2_10
22nF/50 cer
D2_13
ZD3V9 1/2W
R2_9
820R
R2_11
1K5/5W
R2_10
820R
R2_12
1K5/5W
D2_14
ZD3V9 1/2W
D2_7
1N4148
Vic2+
D2_3
ZD15V1.5W
C2_8
220uF/25V
GND1
D2_20
W2-04
R2_32
100R
GND1
Vic2-
C2_5
56pF/50 cer
R2_3
10K
C2_7
27pF/50 cer
R2_6
12K SPEAKERS BUS
R2_5
330R
C2_6
47uF/16NP
GND1
R2_30
4K7(N/C)
R2_31
4K7(N/C)
GND1
CH1 GAIN
C2_27
47uF/25V
D2_8
ZD15V1.5W
C2_4
220uF/25V
GND1
C2_25
100pF/50 cer
C2_26
47uF/25V
C2_3
100pF/50 cer
C2_23
10uF/63V
GND1
C2_24
10uF/63V
R2_8
NTC 50R
R2_16
TRIMMER 100R
3
2
1
U2_1A
NJM4580L
5
6
7
U2_1B
NJM4580L
Q2_3
1
2
3
R2_29
3P-2.5
MC4-500MN-CH2.Sch
Titel
Size
File:
Date:
Drawn By:
Sheet
Revision Model No:
23-Jun-2005
YANG
ALTO MC- AMP
2 2 of
MC500.4
VER050615 A2
5
6
7
U2B
NJM4580L
R2_42
4K7 1/8W
R2_41
4K7 1/8W
D2_9
W2-04
GND1
R2_25
47R
4
1
2
3
U2_2
VTL5C2
GND1
(FTR VT90N1 )
GND1
L2_1
2uH 10A
R2_26
5R6 2W
R2_22
10R 3W
C2_2
100nF/250V poly
GND1
CH1 OUTPUT
1+
1-
GND1
TO
SPEAKON PCB
R2_36
0R
C2_1
47uF/100V
D2_2
0R
R2_39
PTC 65R
CH1 PHOTO COUPLER
-15V
+15V
GND1
(1.5A 200V)
(1.5A 200V)
4700uF/80V
R2_7
300R
R2_4
300R
11A
6A
6A
C2_14
3.3nF/100 poly
R2_15
150R
0 2A
0 2A
D2_18
3mm RED LED
CH2_LIM_SW1
CH2 LIM SW2
D2_21
3mm YELLOW LED
R2_27
10K
R2_1
10K
R2_2
10K
R2_28
10K
CH2 IN
CH2 IN-
CH2 BRIDGE
Pout=418W RMS @ 4 Ohm
Vic2-
Vic2+
OPERATING LED
OUTPUT_2 OUTPUT2
OUTPUT 2
R2_34
47K
R2_38
20K
100R
10K
D2_5
ZD15V1.3W
D2_4
5mm RED LED
GND1
GND1
+73V_B
-73V_B
R2_35
100K
R2_40
6K8
Q2_6
MPSA42
Q2_5
MPSA92
Vic2+
Vic2-
GND1
CLIP-LED
8
4
U2_1C
NJM4580L
Vic2+
Vic2-
J2_4
TP1
J2_5
TP1
J2_7
TP1
J2_8
TP1
J2_9
TP1
J2_10
TP1
V+
V-
AC1
GND
8
4
U2C
NJM4580L
Vic2+
Vic2-
3
2
1
U2A
NJM4580L
C2_15
0.047uF/50 cer
C2_16
0.22uF/50 cer
C2_17
0.1uF/50 cer
R2_43
4K75
R2_44
15K
R2_45
47K5
CH2-FILTER
CH2-FILTER35Hz
CH2-FILTER75Hz
CH1 BRIDGE SWITCH
4
1
2
3
U3
VTL5C2
BRIDGE
CH1/2-PAR LED
D1
3mm YEL LED
D2
3mm YEL LED
Q1
MPSA42
Q2
MPSA42
Q3
MPSA42
R1
4K7
R2
4K7
R3
1K
R4
4K7
R5
100K
Vic2+
Vic+
Vic2+
GND1
GND1
R6
100K
Vic2+
ON--1K5
OFF-
BRIDGE-LED
PARALLEL-LED
1
2
D2 16
CON2
CH2 LEVEL
041118 modify
041118 modify
041118 modify
R8
100K
R7
1K
U2_3
LM317T
1 2
R2_48
1K8
R2_47
0R
C2_28
100nF/50V
C2_29
10uF/50V
1
2
CN2_3
2P-2.5
R2_46
NTC 500R
G1
D2_22
1N4004
1
2
CN2_1
2P-2.5
G1
1
2
CN2_2
2P-2.5
FAN +12V
1
2
CN2_4
2P-2.5
TP2
TP-2
050501 modify
1N5929B
1N5929B
+15V