Pin Voltages Of Ic's - Beko K1 CHASSIS Service Manual

Color televisions
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8.

PIN VOLTAGES OF IC'S

Pin
No
Pin Name
Short Description
1
GND
Ground Platform
2
VSUP8.0AU
Supply Voltage Analog Audio, 8.0 V
3
VREFAU
Reference Voltage, Audio
4
SPEAKERL
Analog Loudspeaker Output, Right
5
SPEAKERR
Analog Loudspeaker Output, Right
6
AOUT1L
Analog Audio 1 Output, Left
7
AOUT1R
Analog Audio 1 Output, Right
Analog Audio 3 Input, Left / Analog
8
AIN3L/AOUT2L
Audio 2 Output, Left
Analog Audio 3 Input, Right / Analog
9
AIN3R/AOUT2R
Audio 2 Output, Right
10
AIN2L
Analog Audio 2 Input, Left
11
AIN2R
Analog Audio 2 Input, Right
12
AIN1L
Analog Audio 1 Input, Left
Analog Audio 1 Input Right/Analog
13
AIN1R/SIF
2nd Sound IF Output
14
TAGC
Tuner AGC Output
15
VREFIF
Reference Voltage, IF ADCs
16
IFIN-
Differential IF Input
17
IFIN+
Differential IF Input
18
RESETQ
Reset Input/Output
Supply Voltage Analog IF Front-end,
19
VSUP5.0FE
5.0 V
20
VSUP5.0IF
Supply Voltage IF ADC, 5.0 V
21
VSUP3.3DIG
Supply Voltage Digital Core, 3.3 V
22
GND
Ground Platform
23
GND
Ground Platform
Supply Voltage Digital Core, 1.8 V
24
VSUP1.8DIG
(main and stand by supply)
25
XTAL1
Analog Crystal Input
26
XTAL2
Analog Crystal Output
27
P22
Port 2, Bit 2 Input/Output
28
P23
Port 2, Bit 3 Input/Output
29
VIN11
Analog Video 11 Input
30
VIN10
Analog Video 10 Input
31
VIN9
Analog Video 9 Input
32
VIN8
Analog Video 8 Input
33
VIN7
Analog Video 7 Input
34
VIN6
Analog Video 6 Input
35
VIN5
Analog Video 5 Input
36
VIN4
Analog Video 4 Input
37
VIN3
Analog Video 3 Input
38
VIN2
Analog Video 2 Input
39
VIN1
Analog Video 1 Input
40
VOUT1
Analog Video 1 Output
41
VOUT2
Analog Video 2 Output
42
VOUT3
Analog Video 3 Output
Supply Voltage Analog Video Front-
43
VSUP1.8FE
end, 1.8 V
44
GND
Ground Platform
IC 101(VCTI)
Video-Controller-Text-IFAudio IC Family
Pin
No Pin Name
0
0
45
8,13
1,35
46
3,67
0
47
3,72
0
48
3,72
0
49
3,72
0
50
3,72
0
51
3,43
0
52
3,44
0
53
3,7
0
54
3,7
0
55
3,7
0
56
3,7
0
57
3,77
0,82
58
2,42
0,9
59
2,43
0,76
60
2,43
0,76
61
3,29
3,27
62
4,96
1
63
4,92
1
64
3,14
1
65
0
0
66
0
0
67
1,85
1,97
68
1,71
1,7
69
1,74
1,72
70
3,27
3,26
71
3,27
3,26
72
0,12
0,09
73
0
0,09
74
0,5
0,09
75
0,5
0,09
76
0,99
0,09
77
0,99
0,09
78
0,99
0,09
79
1
0,09
80
1
0,09
81
1
0,09
82
1
0,09
83
1,08
1,49
84
1,08
1,49
85
1,17
0,98
86
1,9
1,9
87
0
0
88
18
Short Description
GND
Ground Platform
Supply Voltage Analog Video Front-
VSUP3.3FE
end, 3.3 V
P10
Port 1, Bit 0 Input/Output
P11
Port 1, Bit 1 Input/Output
P12
Port 1, Bit 2 Input/Output
P13
Port 1, Bit 3 Input/Output
P14
Port 1, Bit 4 Input/Output
P15
Port 1, Bit 5 Input/Output
P16
Port 1, Bit 6 Input/Output
P17
Port 1, Bit 7 Input/Output
P20
Port 2, Bit 0 Input/Output
P21
Port 2, Bit 1 Input/Output
SCL
I²C Bus Clock Input/Output
SDA
I²C Bus Data Input/Output
VPROT
Vertical Protection Input
HOUT
Horizontal Drive Output
HFLB
Horizontal Flyback Input
SAFETY
Safety Input
GNDDAC
Ground Video DACs
VSUP3.3DAC
Supply Voltage Video DACs, 3.3 V
Supply Voltage I/O Ports, 3.3 V
VSUP3.3IO
(main and Standby supply)
GND
Ground Platform
GND
Ground Platform
Supply Voltage Analog Video Back-
VSUP3.3BE
end, 3.3 V
XREF
Reference Current for RGB DACs
VRD
Reference Voltage for RGB DACs
BOUT
Analog Blue Output
GOUT
Analog Green Output
ROUT
Analog Red Output
SVMOUT
Scan Velocity Modulation Output
BIN
Analog Blue Input, Back-end
GIN
Analog Green Input, Back-end
RIN
Analog Red Input, Back-end
FBIN
Fast Blank Input, Back-end
GNDM
Reference Ground for Sense ADC
SENSE
Sense ADC Input
RSW1
Range Switch 1 Output
RSW2
Range Switch 2 Output
EW
Vertical Parabola Output
VERT-
Differential Vertical Sawtooth Output
VERT+
Differential Vertical Sawtooth Output
TEST
Test Input, reserved for Test
Supply Voltage Analog Video Back-
VSUP5.0BE
end, 5.0 V
GND
Ground Platform
.
0
0
3,3
3,3
3,27
0
0
3,27
3,3
3,29
0
3,28
0
0
0
0
2,77
2,77
2,79
2,79
3,32
2,9
3,24
0,6
3,3
3,06
3,3
3,06
0,05
0
1,55
3,29
0,65
0
0,03
0,43
0
0
3,29
1
3,31
3,31
0
0
0
0
3,28
1
1,22
0
1,24
0,95
4,66
1
4,66
1
4,66
1
1,77
0,37
0,19
0
0,19
0
0,19
0
0,07
0,07
0
0
0,23
0
0,03
0
0,01
0
4,37
0
0,82
0
0,79
0
3,71
0
5,01
0
0
0

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