Color Television
Model
:
20S62(TDVCF2016)
(5) sound process IC: TDA7449
Pin
definition
Voltage(V)
remark
1
CREF
4.51
2
Vs
8.98
From SW+9V
3
PGND
0
4
ROUT
3.79
5
LOUT
3.79
6
R_IN2
4.5
Not used
7
R_LN1
4.5
8
L_IN1
4.5
9
L_IN2
4.5
Not used
10
MUXOUT(L)
4.53
11
MUXOUT(R)
4.53
12
BIN(R)
0
13
BOUT(R)
0
14
BOUT(L)
0
15
BIN(L)
0
16
TREBLE(L)
0
17
TREBLE(R)
0
18
DIG_GND
0
19
SCL
4.45
The second bus
20
SDA
4.28
The second bus
(6) sound amplifier IC: LA4635A
Pin
definition
Voltage(V)
remark
1
DC(Ripple Filter)
6.9
2
IN1(L)
1.58
3
GND
0
4
IN2(R)
1.58
5
STBY
1.01
6
P.P(Popping Noise Eliminator)
9.8
7
VCC
13.75
8
OUT2(R)
6.75
9
NC
0
10
PWR GND
0
11
NC
0
12
OUT1(L)
6.75
2954
Summary of Contents for TDVCF2016
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