BBK FSA7800 Schematic
7654321
8
D
JACK2
2
1
GND-OUT
JO IN2
2
1
LBD 1-OUT
JO IN1
2
1
LBD 2-OUT
C
B
JACK5
3
2
1
24182-3P
JACK3
3
2
1
24396-3P
JACK6
3
2
1
24182-3P
JACK5
24182-3P
R31
3K 3/0.25W
R13
2K 2
C2
104
QD1
C3
1
AC
2
R10
1E
R9 1E
RBV-606
AC
1N 4001*4
+
-
C4
104
Q1 Q2 Q5 Q6
104
C19
3
104
2
1
C27
104
3
4
L1
47uH
C15
16V /1000uF
16V /1000uF
C19
C1
25V /4700uF
C5
25V /4700uF
3
1
C13
104
C21
104
2
U2
LM 78L06A
Vin
Vin
Vin
2
2
1
Adj
U4
GND
LM 7909
GND
V out
V out
U5
V out
16V /47uF
1
3
LM 7809
3
C10
C11
104
JACK7
24182-8P
25V /100uF
C36
Q10
C 1815
R29
1K /0.25W
3K 3/0.25W
R29
C34
472
Q7
C 1815
C35
47P
8
1234567
8
JO IN3
24182-8P
1234567
R24
2K 2
R18
2
_
JRC 4558
3
+
C16
C8
104
104
50V /1uF
Q4
1N 4148
103
104
22K
U7A
R16
1
1K
C32
8
104
C18
Q3
C 1815
R17
1K
R14
1K
C25
R4
22K
R8
1K
R11
22K
50V /3.3uF
C12
8
6
7
102
R1522K
13
R26
11
1K
12
R12
C22
1K
104
C23
25V /22uF
3
2
-
1
+
5
5
1
+
2
-
3
1K
R5
INA+
CH-A
M U TEA
INA-
INB+
CH-B
M U TEB
INB-
20K
R21
-V
+V
TD A 2030A
+V
-V
U6
2
15
4
O
O
VCCA
VCCB
VEE
U1
U3
TD A 2030A
22K
R7
5
10
4
4
GNDA
GNDB
R3
1K
C6
50V /3.3uF
914
NC
R19
22K
NC
LM 1876T
R2
22K
R1
560E
R6
22K
3
1
R22
2E2/0.25W
C38
684
C37
684
C?
104
R25
2E2/0.25W
JACK1
1
2
C-OUT
JACK8
1
2
24396-2P
D
C
B
A
Title
Date: 31-Aug-2002 Sheet of
1 2 3 4 5 6 78
File: E :\LZQFIA\LZQ\fidek_1\fidek1 1.ddb
E-BENCH KH-2800/A.SCH
Num ber RevisionSize
A3
ONE
Y K 0001-A-00
Draw n By:
号
LUZH IQIANG
A
Loading...