【电子通讯】6T18机芯电路图.pdf

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R401 C

R402 ZD204
D202 D204
5V
TA8246H 4 3 1N4148
IC402 0 0
1N4148 R254

R4 R4

.
) Q207 C222
C
.
N R256
T
I
OUT)
.
T L0 L1 L2
E E
16V 50V 50V
/16V
W
W 100
/ / / R251
U
GND Y 100uF
N
N 2SA1815 R253
M M8200
10u 10u 10u 68
R OUT NC ( PW Vs L O MUT RF MUT L I PRE GND RI NC ( + + + +
3 4 3 TV-L
2 1 7 6 2 1
1 0 0
5 C214 R252
12 11 10
1 1 0 0 0 0
9 8 7 6 5 4 3 2 1
0 ZD206
220u/16V 470
C4 C4 C4
C4 C4 C4 C4 C4 C4
C4
C431 +
+ + 5 C
1 3
1
SPK
25V
/16V /50V
6 7 4 3
-
- /
0
1 2 3 4 5 6 7 8 9 9
35V
/50V
-
.
3 3 4 4
1
C4 10 11 12 16 15 14 13 12 11 10
/
470u/25V 4
R +

F0 + +
C4 C4 47u C4 C4
r
2
1
n
A A A A
n
C4
1
3 2
A
R)
R) Y
2 C
2 1 0 3
+ +
Õ4
1000u
h i
¦Õ
¦
¦Õ ¦Õ
SW
VDD SW
GND
O.
5
filte
h out
IN IN IN IN
1
s
c
OUT
Lch i Rc
.01
a
HPF(
0
i
C2
3 W IC201 GND
e.
F
24V IC401 B TC4052 5V
- C432 TA1343N
Tr
12K 12K
Bass LPF(
SPK +
- + V1
B
r
5 6
- C446 C445 R261
R753 4 B B B B
1 1
L
M 5n6 M 5n6 L)
12V 470u/25V L212 0 2 3 1
L)
470/2W D402 R4 R4 10uH
IN IN OUT IN IN -E VEE VSS
filte
LPF3 LPF2 LPF1
L