Alto PS 4HA-SCH Schematic
4
03-1
1
第版
D
C
B
A
VER1.0
1/1
Lian Ming Tan
Revision
Sheet of:
Drawn By:
HI SPEAKER
LOW SPEAKER
POWER SUPPLY
SWITCH
PS 4HA BLOCK DIAGRAM
HI
Number
2004/02/02
PS 4HA
PS 4HA
LOW
AMP
HI POWER
321
HI PRE
AMP
HPF
AMP
LOW PRE LOW POWER
AMP
LPF
DSP MODULE
V+ & V- V+ & V-
Title
HI V+
LOW V+
T6.3A
T6.3A
HI V-
LOW V-
T6.3A
T6.3A
A3
Size:
Date:
File:
PS 4HA BLOCK DIAGRAM
238094
130 deg SW
VOLUME
MIX AMP PRE AMP
POWER SWITCH
1 2 34
AC INPUT
SIGNAL INPUT
D
C
B
A
7654321
04-1
8
第版
1
GND
0E2 5W
S4
S3
+VCC2
D4
1N4002
D14
6A2
D24
1N4002
D17
1N4002
D3
6A2
D5
1N4002
-VCC2
LOW SPEAKER
+VCC1
-VCC1
Title
PS 4HA
Size:A2Number
Date:
2004/01/31
File:
PS 4HA
P-313120-1-PS 4HA
Sheet of:
Drawn By:
Revision
VER1.0
1/1
Lian Ming Tan
D
C
B
A
C15
100P
R10
TR1
0.001U
C1
DL1 47P
R70
2
3
6
5
-15V
+15V
R28
68E
R34
8K2 2W
TR9
NJE350
7.6V
D14
7V5 1W
1K5
+1.4V
C25
10/50V
C18
220U/25V
R57
12K
20.2V
R66
8K2
D13
1N4002
D25
1N4002
C27
0.0047U
R33
C21
1K
470P
R58
47E
R56
8K2
C10
220P
R20
12K
24V
TR5
MJE340
R19
4E7
R43
2K2
C39
330P
MJE15030
R18
470E
TR4
R59
47K
0.0047U
MJE340
-1.4V
R32
12K
680E
TR22
BC847
C17
220P
R52
8K2
R51
47E
2
3
10
11
D1
4148
R21
10K
TR18
BC857
R63
10K
TR25
BC857
C13
R21
R41
8K2 2W
R8
47K
-7.6V
R11
10K
C20220U 25V
1U 50V NP
+15V
R46
150K
D10
7V5 1W
TR7
MJE340
68E
47K
48
IC5A
_
1
+
MC33078
R73
10E
IC5B
_
7
+
MC33078
0.0047U
8K2
D12
1N4002
D11
1N4002
R22
12K
R2
C2
R3
22K
C6
10UF/50V
14.9V
R4
1K
R32
33K
R62
10K
R61
10K
-7.7V
C22
1U/50V
TR23
C28
1000U/6V3
BC847
TR24
BC847
R60
47K
R64
4K7
OFFSET PROTECTION
R53
47K
8.6V
+VCC1
78
12
MUTE
ST-BY
TDA7294
1
C23
220U/50V
R49
33K
TR13
MJE350
-VCC1
R48
330E
R26
4E7
IC1
TDA7294
13
15
-24V-20.2V
6
14
5
4
9
R47
10K
8.84V
14.2V
9.4V
C7
0.1U
R16
470E
C40
330P
R17
2K2
C24
470P
22UF/50V
C3
C4
10UF/50V
R12
22K
R35
10K
R36
10K
TR17
BC857
1N4148
-15V
TR6
MJE15031
MJE350
C25
0.0047
R55
1K
R1
22K
R12
10E 0.5W
C5
0.1U
SOFT START
TR11
BC32725
D8
1N4148
R30
10K
R37
470E
D17
TR15
NJE15031
C23
TR21
2SC5200
or NJL21184
R17
10E
R14
10E
TR19
R42
390E
HIGH OUT +
RL1
OZ-SS-124LM1
DC 24V 16A
R27
390E
TR8
TIP36C
or SIMILAR
TR2
TR3
2SA1943
or MJL21193
TR20
MJE15030
TR14
TIP35C
S1
Hi SPEAKER
S2
GND
R15
R13
0E2 5W
TR16
BC857
LOW OUT+
R25
820E
D
DL2
47P
R77
R78
15K
C
1
B
A
1 2 3 4 5 6 78
2
3
4
5
6
6P/P=3.96
CN1
22K
_
6
IC6B
5
+
MC33078
+5VA
CN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN-7PX2-F
FROM 110018 INPUT PCB
R79
47E/5W
C8
10000/63V
C9
10000/63V
7
10U NP
C11
10000/50V
C12
10000/50V
R80
C36
-15V
+15V
C32
2200U/63V
IC4 7815
1
1
IC3 7915
D27
4148
Vin
Vin
R76
1K
1K
R69
100E PTC
C31
4N7
-15V
48
2
_
+
3
MC33078
+15V
C35
D26
4148
3
Vout
GND
2
GND
Vout
10/25V
1
10/25V
C37
IC2 7805
Vin
C36
IC6A
R75
33P
2
12K
47K
100K
R74
R40
12K
Vout
GND
R29
-15V
1
+15V
1000U 6.3V
0.2V
R39
4K7
+5VA
-0.5V
TR10
2N5551
R46
4K7
D7
1N4148
R44
68K
R59
68K
D5
1N4148
TR12
2N5401
0.6V
+VCC2
+VCC1
+15V
3
D21
27.0K
C33
DL2
2
1
-15V
-VCC1
-VCC2
TO POWER LED
R31
C16
R71
15K
R9
560E
100P
-0.34V
470E
0.1U
C14
MJE802
VR1 470E
R23
820E R24
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