Page 1
4321
1 第 版
H
G
R15
TR16
BC857
LOW OUT+
GND
0E2 5W
S4
S3
+VCC2
D4
1N4002
D14
6A2
D24
1N4002
D17
1N4002
D3
6A2
D5
1N4002
-VCC2
LOW SPEAKER
+VCC1
-VCC1
R28
R25
820E
68E
R34
+1.4V
47K
48
IC5A
_
+
MC33078
R73
10E
_ IC5B
+
MC33078
NJE350
7V5 1W
-1.4V
MJE340
68E
TR9
D14
D10
7V5 1W
TR7
1
7
R60
47K
8K2 2W
C25
10/50V
R41
8K2 2W
R8
47K
R64
4K7
7.6V
-7.6V
R11
10K
-0.5V
TR10
2N5551
R29
R46
12K
4K7
0.2V
R39
4K7
+5VA
Vout
D7
1N4148
R44
68K
R59
68K
D5
1N4148
TR12
2N5401
0.6V
+VCC2
+VCC1
+15V
3
D21
27.0K
C33
DL2
2
1
TO POWER LED
-15V
-VCC1
-VCC2
-15V
48
_
+
MC33078
+15V
C35
IC2 7805
C36
IC6A
R75
33P
2
47K
R40
12K
GND
100K
R74
-15V
1
+15V
1000U 6.3V
DL2
47P
F
R77 22K
R78
6
15K
E
D
1
2
3
4
5
6
6P/P=3.96
CN1
C
B
_ IC6B
5
+
MC33078
+5VA
CN2
1
3
5
7
9
11
13
CN-7PX2-F
FROM 110018 INPUT PCB
R79
47E/5W
C8
10000/63V
C9
10000/63V
7
10U NP
2
4
6
8
10
12
14
10000/50V
10000/50V
C36
1
Vin
C11
C12
1
Vin
R76
1K
R80
1K
D27
4148
-15V
+15V
R69
100E PTC
C32
2200U/63V
IC4 7815
IC3 7915
C31
4N7
2
3
D26
4148
3
Vout
1
GND
GND
Vout
Vin
10/25V
C37
10/25V
2
R31
C16
R71
15K
R9
560E
C14
100P
-0.34V
470E
0.1U
C15
100P
0.001U
C1
1K5
R10
TR1
MJE802
VR1 470E
R23
820E R24
DL1 47P
R70
-15V
2
3
+15V
6
5
R57
12K
C18
20.2V
R66
8K2
220U/25V
R21
C20220U 25V
8K2
R22
12K
C2
1U 50V NP
R3
22K
+15V
R46
150K
-7.7V
C22
1U/50V
C28
1000U/6V3
OFFSET PROTECTION
D13
1N4002
D25
C27
0.0047U
C13
0.0047U
D12
1N4002
D11
1N4002
R2
C6
10UF/50V
R62
10K
14.9V
R61
10K
TR23
BC847
1N4002
680E
R4
1K
R32
33K
TR22
BC847
TR24
BC847
R33
C21
1K
470P
R58
47E
R56
8K2
C10
220P
R20
12K
R32
12K
C17
220P
R52
8K2
R51
47E
R53
47K
2
3
10
11
D1
4148
R21
10K
TR18
BC857
R59
47K
12
TDA7294
1
+VCC1
MUTE
ST-BY
24V
R43
2K2
C39
330P
TR5
MJE340
MJE15030
R19
R18
470E
4E7
R26
R16
470E
4E7
C40
TR13
330P
MJE350
R17
2K2
-24V-20.2V
C24
470P
IC1
TDA7294
78
-VCC1
C3
13
22UF/50V
6
14
5
4
9
15
R12
22K
R47
10K
8.84V
TR4
C4
10UF/50V
R35
10K
0.0047U
TR6
MJE15031
R1
22K
R12
10E 0.5W
C5
0.1U
SOFT START
TR11
BC32725
14.2V
R36
10K
9.4V
0.1U
TR17
BC857
R37
470E
C7
D17
1N4148
-15V
R63
10K
TR25
BC857
8.6V
C23
220U/50V
R49
33K
R48
330E
TR15
NJE15031
C23
TR21
MJE340
TR19
MJE350
C25
0.0047
R55
1K
HIGH OUT +
D8
1N4148
R30
10K
RL1
OZ-SS-124LM1
DC 24V 16A
TR2
2SC5200
or NJL21184
R17
10E
R14
10E
2SA1943
or MJL21193
R42
390E
S1
S2
GND
R27
390E
TR8
TIP36C
or SIMILAR
R13
0E2 5W
TR3
TR20
MJE15030
TR14
TIP35C
Hi SPEAKER
H
G
F
E
D
C
B
A
Title
PS 4HA--AMP
Size:A2Number
Date:
1 2 3 4
File:
P-313120-1-PS 4HA
2004/01/31
PS 4HA
Sheet of:
Drawn By:
Revision
VER1.0
1/1
Lian Ming Tan
A
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