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2 Channel Power Amplifier
POWER Amplifier (Sheet 1)
16.5V
14.5V
32.79V 32.80V
32.71V
0.46V 1V
D
-0.26V -0.81V -31.45V
-31.47V
-14.48V -32.79V
C
32.78V +14.50V
+0.86V
+0.31V
(IC VOLTAGE)
-0.41V
4559 PIN
2068
PIN
U102
U103
U104
U105
U106
U101
0
-14.49V -0.98V
1 2
0
16.18V
16.17V
16.15V
16.18V
16.17V
1
B
3
0
2
0
0
0
0
0
3 4
-16.15v
0
0
0
0
0
-32.76V
4 5
0
0
0
0
0
0
5 6
0
-16.14V
-16.15V
-16.14V
-16.15V
-16.17V
6 7
0
0
0
0
0
0
7 8
16.19
0
0
0
0
0
8
0
0
0
0
0
9
16.18V
16.17V
16.15V
16.18V
16.14V
A
1
2
3
4
5
13
2 Channel Power Amplifier
POWER Amplifier (Sheet 2)
14.4V
+13.64V
D
0.67V
+14v +32.77V
9.10 PIN
34us
-32.76V 13.54V
5.03V
C
+32.81V
-32.81V
+5.02V
82V
36us
B
+4V 19us
A
1
2
3
4
5
14
2 Channel Power Amplifier
Ra7502 Mechanical Exploded View
26
NO
NOMENCLATURE
DESCRIPTION
Q'TY
1 1EA 1EA
26
HEAT SINK
4
AL/EXTRUDE L=340.0mm
2 1EA
SILICON PAD(A)
(SP1000)200x23.0x0.3t
3
SILICON PAD(B)
(SP1000)50x23.0x0.3t
4
BOTTOM COVER
EGI1.0t
1EA 2EA 4EA
8
5
EVA CUSHION
EVA 8.0x120.0x2.0t
6 2EA
9
SCREW
STT2 BH 3x6 NI
7 6EA
8
10
SCREW
STT2 BH3x15 NI
8 2EA 2EA
23
SCREW
13
SMP 4x16 NI
9
TR BRACKET (A) SBHG 50X22.5X2.0t
10 1EA
11
15
TR BRACKET (B) SBHG 50x25.5x2.0t
8
11 1EA 2EA
7
TR BRACKET (C) SBHG 110x22.5x2.0t
12
12
14
TR BRACKET (D) SBHG 110x25.5x2.0t
17
9
16
13
23
TRBKT/CUSHION(A) FIBER 50x22.0x0.3t
16
10
14 1EA 1EA 2EA 2EA 1EA
5 3
13
TRBKT/CUSHION(B) FIBER 110x22.0x0.3t
15
RUBBER CUSHION(A)
RUBBER 10.0x20.0x1.6t
16
SWITCH DECAL
RA
750
2
FELT 12.0x7.0x0.3t
17
V/R KNOB
ABS/BK
18 1EA 1EA
2
REAR PANEL
EGI 1.0t
6
24
19
FRONT PANEL
EGI 1.0t
21
20 3EA 1EA
SCREW STT1 PH 2x6 NI
21
SCREW
STT2 BH 3x8 NI
25
22 2EA
FUSE
25A
27
18
23
RUBBER CUSHION(C)
RUBBER 10.0x20.0x2.0t
24
PLEXI GLASS
ACRYL
1EA
5
25
SCREW
SMT 4x8 NI(STAR)
1EA 4EA
6
2
26
SCREW
STT3 PH 3x6 NI
27
SCREW
STT2 BH 3x5 NI
1EA
1
20
22
21
19
15