Alto MAC 2.3 Service Manual

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B
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87654321
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Title
Number RevisionSize
D
Date: 17-Sep-2004 Sheet of
File: D:\MAC\CB .ddb Drawn By:
RED
WHT
BLK
YEL
GRN
BLU
BLU
WHT
WHT
YEL
YEL
VIO
VIO
LINE
NEUT
GND
IEC AC INLET
POWER SWITCH
BR1
400V 25A
BR2
400V 25A
BR3
200V 1A
C3
0.22U-200V
C16
0.1-50V
C2
0.22U-200V
R29
6.8K
R30
220K
R31
2K
R33
1M
R27
470K
R25
47
R1
47-2W
R2
2K
R3
6.8K
R5
470K
R26
150K
R28
220K
R32
15K-2W
R34
220K
R35
1M
R4
6.8K
D16
1N4004
D19 1N4148
D20
1N4148
D18
1M4148
D14
1N4148
D15
1N4148
D22
1M4148
D17 1M4148
D21 1M4148
D21
1N4004
ZD4
IN4744-15V
ZD3
15V
Q17
HMBTA42
Q14
2412K
Q16
MPSA06
Q1
TIP41C
Q11
2SA1036K
Q15
2SA1036K
Q12
2SA1036K
F1
12A 250V
F3
12A 250V
F2
12A 250V
F4
12A 250V
TH1
60C 100 OHM
TH2
60C 100 OHM
1
2
3 4
5
6
U1
4N33
C1
1000U 35V
POLY
RX110
C10
47-50V
Q13
2412K
D12
1N4004
D20
1N4004
D11
1N4004
PSA3900(MAC2.3)Schematic Diagram 3 of 4
Power Supply
+15V_B+14V
-14V -15V_B
-15V_A
+15V_A
BR_CUT
P9
P1
P10
P5
P2
P7
P3
P6
E8
E7
E13
E5
E4
E14
E2
E6
P4
E3
E1
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:15A-125V
EUROPE:8A-230V
!
!
COLL ONE
COLL TWO
PT3800E(230V)
PT3800H(240V)
0V
0V
0V
0V
59V
59V
59V
59V
30V 1.1A
!
1
2
CN1
1
2
CN3
TO FANTO FAN
1
2
CN3
TO POWER LED
1N4744
R36
15K-2W
!
3 4
DingNianCong
PSA3900 Power Supply
PSA-3000
P1
PSA3000-L
PSA3900-R
C11
4.7U-250V
POWER LED
C5
0.1 275V
CN2:2
CN2:2
CN2:1
CN2:1
CN2:3
CN2:3
PTC PTC
300V 2A
FUSE
FUSE
CN1:9
CN1:9
CN1:8
CN1:8
CN2:2
CN1:2
CN1:1
CN1:1
CN1:3
CN1:3
TH_A
+VCC_A
-VCC_A
+VCC_B
-VCC_B
E12
E11
E9
E10
^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_BJTN_SOT-23
^Q_BJTN_SOT-23
^Q_BJTP_SOT-23
PSA3000-R
!
!
!
!
9

Alto MAC 2.3 Specifications

General

Brand	Alto
Model	MAC 2.3
Category	Amplifier
Language	English