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1 FRONT R VR1A B50K

2 C2 R2 9.1K 2 3 C1 0.22UF R1 47K U1A 4558 +VA R3 47K 1

3 C3 682 R5 3.3K R4 8.2K R6 6.8K

4

5

6

7

8

10UF

10UF D FRONT L C2' 10UF VR1B B50K R2' 9.1K 6 C1' 5 0.22UF R1' 47K +VB U1B 7 R4' 8.2K +VB R3' 47K C3' 682 R5' 3.3K
7

10K

C9 104
3 13 1

C8 2200UF C7 470UF
+ +

Cen Bass

R525 1.8K

100 R524 ZD501 D 5.1V E502 100U/16V 16 U502 TC4053 4 100U/50V E501 Z VEE INH A B C Z0 Z1 470K R523 47K R510 6 11 10 9 8 7 5 3

C4 472

R7

+VP

C5' 104

4

SP1 4 OHM SP2 4 OHM

14

C4' 472

TDA7375A 6

10

R8 47K

X

Y

15

R6' 6.8K

5

C6 100UF

U3

2

C7' 470UF

15

R8' 47K C11 100UF R10 8.2K
2 3

11

X0 X1

+VA C12

C13 224 C15 0.47UF
7 5

12

14

-

SP3 4 ohm

12 13

104
8

R11 39K
1 U2A 4558

R12 10K

R13 10K

6

9

8

U2B C14 104 VR2 B10K

C16 0.47UF

C

C22 1UF

R9 100K +VB 3C2 10UF

4

R14 2.2K C17 102

2 1

Y0 Y1

+

Rear L Rear R

C10

+VCC

TC4053

SW2-B

C5 104

C Front L Front R

3R3 18K 3R2 10K 3C1
3 2

BASS Text

*

1

3R4 47K

C508 C507 102 102

C506 102

U4A 14 15 1C10 C18 104 1R3
6 8

16 X Y 12 13 6 11 10 9 8 7 SP4 4 OHM 2 1 5 3 VEE INH A B C

1R7 10K 1C9 104
3 13 1

+VP

4

0.22UF 1C2 10UF Text CENTER VR3B B50K 1C1

1R2 9.1K

+VB

1C3 682 1R5 3.3K 1R4 8.2K 1R6 6.8K 1C5 0.1UF

10UF
7 4

1C8 2200UF

X0 X1

Y0 Y1

47K
7

5

*
4

1C7 470UF
+ -

TC4053
Z0 Z1

0.22UF

1R1 47K +VB +VA 8

U4B 4558

1C4 472 1C6 100UF

5 U1 TDA7375A 6 10

2

U501 TC4053

3R1 47K +VA

Z

R504 47K 2C7 470UF C504 102 C503 102 C505 102 47K R506 R508 47K R502 47K

B

REAR R

2C2

2R2 9.1K 2C1 3 0.22UF 2R1 47K 4 2

2R3 47K

2C3 682 2R5 3.3K 2R4 8.2K 2C5 104

B

10UF VR4A B50K

12

15

+

1 U6A 4558

SP5 4 ohm SP6 4 ohm R512

2R6 6.8K

11

14

-

R517

R513

R515

R516

R514

22K

22K

22K

22K

470

22K

VR4B B50K

7 5 U6B 2R1' 47K 2R4' 8.2K

R519

2C1' 0.22UF

6

2R5' 3.3K 2R6' 6.8K

2C5' 104

22K R520 C502 102

470

470

470

470

470

2C3' 682

R511

REAR L

+VB

R518

R521

R522

1C2 10UF

2R2' 9.1K

2R3' 47K

9

8

2C7' 470UF

FRONT L

BASS

CENTER

REAR R

SW1

F1 T1L250V

T1

+VB BD1

+VP

R17 330
AC IN

+VA ZD2 12V

R18 3.3K

+VB A C21 C21' 100UF/25V Title

A

C19 6800UF 25V

R01 2.7K LED3

R02 2.7K LED4

R16 2.4K SW2-A LED1 LED2

C20 100UF

R19 2.2K

100UF/25V

A-6600
Size A3 Date: File: 25-Nov-2003 F:\my file\My Design\A-6601.ddb 7 Sheet of Drawn By: WANGZHAO 8 Number Revision

1

2

3

4

5

6

PDF created with FinePrint pdfFactory trial version http://www.fineprint.com

REAR L

AUX R

AUX L

2C4' 472

FRONT R

470 R507 4.7K R509 10K R505 10K R505' 470 R501 4.7K R503 C501 102

2C4 472

+