China KONKA E-F2109E3, TDA4605, TMP87CX38, TB1238N, LA7830 Schematic
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KONKA
R
康佳(东芝I2C总线)“E”系列彩色电视机F2109E3电原理图(1/1) (全1张)
1
2
3
4 5
μ
一、主机芯板电路
本电路适用机型：A2190E、F2109E3、F2109E/G、F2190E、T2140E、T2166E、T2166E1、T2188E…等机型。
μ
4
5
7
6
89
μ
1
3
2
+15V
μ
μ
μ
μ
μ
BT
22
VSS
21
R
23
POWER
20
G
24
19
B
25
Y
18
HSYNC
26
17
MUTE
VSYNC
KEY
16
27
AFT
28
15
OSC
IN
29
14
OSC
13
30
TEST
12
31
SDA1
XIN
SCL1
32
11
XOUT
10
33
RST
34
9
RMT
35
B2
8
8
μ
7
6
7
6
5
4
3
2
1
B1
LNA SW
SVHS
PC
VT
GND
SYNC
SCL0
SDA0
INT4
IN
36
37
38
SND
39
40
41
VDD
42
R649
R601
22K
1K
BH
C636
1μ
50V
BL
μ
AGC
μ
μ
L103
1μH
μ
μ
R115
μ
μ
μ
C307
100
0.22μ
50
C302
10P
μ
C402
1500P
μ
R322
100K
VD313
1N4148
C334
0.1
Z311
4.43
μ
C134
1μ/50
C403
470n/J
DE-
1
EMP
AUDIO
2
OUT
IFVCC
3
9V
AFT
4
OUT
IF
5
GND
IF
6
IN
IF
7
IN
RF
8
AGC
IF
9
AGC
APC
10
FIL
11
XTAL
Y/C
12
GND
YS
13
YM
OSD
14
R
OSD
15
G
OSD
16
B
RGB
17
VCC
R
18
OUT
G
19
OUT
B
20
OUT
ABCL
21
V
22
RAMP
V
23
NFB
V
24
OUT
V
25
AGC
26
SCL
27
SDA
H.VCC
28
9V
FMDC
LMT
H.COR
LOOP
BLACK
DEC
IN/C
EXT
IN/Y
VIDEO
OUT
SYNC
μ
μ
56
NF
EXT
55
AIN
VCC
VCO
VCO
GND
FIL
Y/C
VCC
TV
DIG
GND
AFC
R-Y
DIG
VDD
SCP
OUT
DEF
GND
OUT
OUT
FBP
OUT
μ
RIP
54
FIL
53
52
9V
51
50
49
48
DET
47
OUT
46
C
45
IN
44
43
42
41
H
40
Y
39
IN
38
IN
B-Y
37
IN
36
35
34
33
H
32
31
30
IN
ID
29
μ
μ
μ
μ
μ
μ
μ
μ
μ
μ
μ
μ
12345
6
7
μ
R925
12K
n
μ
μ
μ
1 25V5V 3
μ
2
μ
μ
μ
μ
μ
μ
伴音功放电源(+15V)
μ
μ
μ
μ
μ
μ
μ
1
4
2
3
V
50 50
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