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1 |
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2 |
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3 |
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4 |
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C7 |
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+VCC |
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JK1 |
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C2 |
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C8 |
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R |
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104 |
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VR1A |
682 |
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C4 |
100UF/25V |
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R2 |
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0.22UF |
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TDA2030A |
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L |
C1 |
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B10K |
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SP1 |
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D |
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0.47UF |
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3.3K |
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1 |
5 |
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R8 |
4 ohm |
D |
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4 |
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R1 |
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U2 |
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C03 |
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2 |
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3.3 |
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8.2K |
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R5 |
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223 |
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3 |
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R7 |
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24K |
C5 |
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C6 |
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33K |
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2.2UF |
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224 |
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C1' |
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VR3A |
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R8 |
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B50K |
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R6 |
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C2' |
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3.3 |
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510 |
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682 |
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C4' |
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0.47UF |
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R2' |
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TDA2030A |
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0.22UF |
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SP2 |
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VR1B |
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3.3K |
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1 |
5 |
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4 ohm |
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B10K |
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4 |
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R8 |
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R1' |
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U3 |
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2 |
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8.2K |
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C03' |
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R5' |
3 |
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3.3 |
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223 |
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C5' |
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R7' |
C6' |
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24K |
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R9 |
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2.2UF |
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33K |
224 |
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33K |
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VR3B |
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C |
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B50K |
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R6' |
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R8' |
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C |
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R9' |
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510 |
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3.3 |
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-VCC |
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33K |
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C8' |
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C7' |
100UF/25V |
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104 |
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+VB C11 |
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C13 |
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R11 |
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224 |
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104 |
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8.2K |
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C15 |
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+VCC |
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6 |
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2 |
8 |
R13 |
39K |
R14 |
R15 |
0.47UF |
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C9 |
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10K |
10K |
5 |
7 |
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C21 |
C22 |
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3 |
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1 |
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TDA2030A |
104 |
100UF/25V |
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U4B |
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C16 |
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4 |
U4A |
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1 |
5 |
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SP3 |
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C29 |
1UF |
|
4558 |
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C14 |
VR2 |
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4 |
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B |
104 |
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R12 |
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B10K |
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2 |
U5 |
|
6 ohm |
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B |
|||
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104 |
0.47UF |
R17 |
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100K |
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C12 |
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3 |
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C19 |
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104 |
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22K |
C18 |
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R19 |
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-VB |
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22UF |
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224 |
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39K |
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R20 |
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R18 |
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3.3 |
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560 |
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+VCC |
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C23 |
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C24 |
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SW1 |
|
D1 1N4004 |
|
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R21 |
|
+VB |
|
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|
104 |
|
100UF/25V |
|
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|||
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T1 |
|
470/0.5W |
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|||||
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-VCC |
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|
AC IN |
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D2 1N4004 |
C25 |
|
ZD1 |
C27 |
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3300UF |
|
9.1V |
47UF |
R23 |
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25V |
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D3 1N4004 |
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2.7K |
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LED1 |
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|||
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C26 |
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ZD2 |
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Title |
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A |
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3300UF |
|
9.1V |
C28 |
|
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|
|
M-890 SUBWOOFER SYSTEM |
|
|
A |
|||
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25V |
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|
47UF |
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-VCC |
R22 |
|
-VB |
|
-VCC |
|
|
Size |
|
Number |
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|
Revision |
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|||
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D4 |
1N4004 |
|
470/0.5W |
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A4 |
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Date: |
|
25-Nov-2003 |
|
Sheet |
of |
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File: |
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F:\my file\My Design\M-890.ddb |
Drawn By: |
WANGZHAO |
||
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1 |
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2 |
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3 |
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4 |
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