BBK FSA2800 SCHEMATIC DIAGRAM

4321

+5V

+5V

D

C

B

2R10
220

Hi-Fi

IC-10

IR/INT1

+5V

2SCW1

INPUT

2D8

红

123

+5V

1S1

STANDBY

2R11
220

QS-5.1

2R2

2D1

红

2R23

2R19

2R22

10K

2R9
220

红

DVD/5.1CH

10K

10K

10K

2C6
473

IC-11

2R8
220

TV

2C7
473

2D6

红

2R7
220

CD

2D52D7

2C4
22P

2R12
1M

XT1

12MHz

2R6
220

AUX

2D4

D+5V

2C3
22P

2R5
220

静音

2D3

红

2C3
104

绿

2R4
220

电源

2R13
10K

2D2

红

2R3
220

待机

2U1

1

P10/T

2

P11/T

3

P12

4

P13

5

P14

6

P15

7

P16

8

P17

13

INT1

12

INT0

15

T1

14

T0

31

EA/VP

19

X1

18

X2

9

RESET

17

RD

16

WR

87C51

+5V

2C2
10uF

2D11
4148

+5V

P00
P01
P02
P03
P04
P05
P06
P07

P20
P21
P22
P23
P24
P25
P26
P27

RXD

TXD

ALE/P

PSEN

AT24C01

2U2

2D10

2C5
104

VOL-Max

2R14
220

39
38
37
36
35
34
33
32

21
22
23
24
25
26
27
28

10
11
30
29

SDA5SCL

IC-10
IC-11

CE0
CE1
CE2
WC

VOL-Min

2R15
220

6
1
2
3
7

2D9

D+5V

IR/INT1

2C9
104

2L1
47uH

2R24
2R25
2R26 2K
2R27 2K
2R28 2K

+5V

2R18 10K
2R17 10K

10K

2R16

10K

2R20
2R21 10K

2K
2K

2R1
100

+5V

2IR1
1838

VCC1GND

OUT

2

2C1
104

2CN2

1
2
3
4
5
6
7

7P24182

3

SCL
SDA

D+5V

CLK
DATA
LATCH

GND

D

C

B

A

1 2 3 4

A