Alto MAC 2.3 Service Manual

1 2 3 4 5 6 7 8
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B
C
D
87654321
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B
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Title
Number RevisionSize
D
Date: 17-Sep-2004 Sheet of
File: D:\MAC PCB .ddb Drawn By:
LINE
NEUT
GND
IEC AC INLET
POWER SWITCH
D304
400V 25A
D301
200V 1A
C306
0.22U-250V
C16
0.1-50V
C304
0.22U-250V
R19
6.8K
R26
220K
R8
2K
R3
1M
R15
464K
R25
47
R1
39-3W
R304
2.7K
R301
6.8K
R303
470K
R10
150K
R18
220K
R2
33K-1W
R27
330K
R6
1M
R302
6.8K
D1
1N4004
D4
1N4148
D5
1N4148
D2
1M4148
D9
1N4148
D14
1N4148
D3
1M4148
D7
1M4148
D6
1M4148
D11
1N4004
D15
15V
D8
15V
Q1
HMBTA42
Q9
HMBT2222A
Q5
MPSA06
Q1
TIP41C
Q6
2SA1036K
Q4
HMBT5401
Q7
2SA1036K
-55V_A
+55V_A
+110V_B
-110V_B
R7
60C 100 OHM
R4
60C 100 OHM
1
2
3 4
5
6
U2
4N33
C302
1000U 35V
C8
47-50V
Q8
HMBT2222A
D10
1N4004
D13
1N4004
D12
1N4004
PSA31500(MAC2.4)Schematic Diagram 3 of 4
Power Supply
+15V_A+14V
-14V
-15V_A
-15V_B
+15V_B
BR_CUT
E307
E304
E308
E309
E302
E306
E301
E305
E325
E327
E312
E326
E310
E303
E313
0V
0V
115V Or 120V
115V Or 120V
103V Or 108V
^R_1206
^R_1206^R_1206
^R_1206 ^R_1206
^R_1206
^R_1206
^R_0805
^R_0805
^R_0805
CIRCUIT BREAKER
USA:20A-125V
EUROPE:10A-230V
!
!
COLL ONE
COLL TWO
PT31300E(230V)
PT31300H(240V)
!
1
2
CN301
1
2
CN303
TO FANTO FAN
1
2
CN202
TO POWER LED
1N4744
R5
33K-1W
!
3 4
DingNianCong
PSA31500 Power Supply
PSA-3000
P1
PSA31500-B
PSA31500-A
C7
4.7U-250V
POWER LED
RED
WHT
BLK
YEL
GRN
BLU
BLU
WHT
WHT
BLK
BLK
VIO
VIO
BRN
BRN
E314
E315
E316
E317
E311
E318
E319
C307
0.22U-250V
C305
0.22U-250V
E329
E328
-110V_B
+110V_A
+55V_B
-55V_B
E324
E322
E321
E320
E323
D302
400V 25A
D303
400V 25A
D305
400V 25A
FUSE1
FUSE2
FUSE3
FUSE4
FUSE5
FUSE6
FUSE7
FUSE8
FUSE9
FUSE10
FUSE11
FUSE12
S302
4A 250V
6A*12
!
!
CT_A
CT_B
R306
R12-5W
R307
12-5W
C303
0.068 250
CT_A
C301
0.1 275V
C9
100PF
R30
100
CN302:1
CN203:1
CN203:2
CN302:2
CN203:3
CN302:3
PTC PTC
300V 2A
FUSE2
FUSE2
CN101:9
CN201:9
CN101:8
CN201:8
CN201:1
CN101:1
CN101:13
CN201:13
CN201:12
CN101:12
CN101:2
CN201:2
CN201:3
CN101:3
-15V_A
+15V_A
^D_SOT-23
^D_SOT-23
^D_SOT-23
^D_SOT-23
^D_SOT-23
^D_SOT-23
^D_SOT-23
^D_SOT-23
^Q_BJTP_SOT-23
^Q_BJTP_SOT-23
^Q_BJTP_SOT-23
^Q_BJTN_SOT-23
^Q_BJTN_SOT-23
PSA31500-A
80V
80V
80V
80V
40V
40V
40V
40V
0V
0V
12

Alto MAC 2.3 Specifications

General

Brand	Alto
Model	MAC 2.3
Category	Amplifier
Language	English