LC-22SV2E (serv.man2) - Sharp TV Service Manual (repair manual). Page 14

No.

Pin name

Function

1

N. C.

2

N. C.

3

SCL2

4

SDA2

5

VACT

6

CSYNC

7

IREM-1

8

BYTE

9

CNVSS

10

TEST_RST

11

SH_ON

12

RESET

13

XOUT

14

VSS

15

XIN

16

VDD

17

OSCIN

18

OSCOUT

19

PSWIN

20

VSYNC

21

BLK

22

N. C.

23

DAC1CS

24

DAC2CS

25

SCL1

26

SDA2

27

A_DA

28

SCK

29

SSI

30

SSO

31

N. C.

32

R

33

G

34

B

35

TEXT_OUT

36

TEXT_IN

37

SCLK

38

BUSY

39

A_ENA

40

N. C.

41 MREADY/EPM
42

L_ERR

43

N. C.

44

SSB

45

SRDYB

46

CE

47

CK

48

DA

49

PD

50

VSH_OUT

No.

Pin name

Function

51

REQ_OUT

52

HPMUTE

53

SMUTE

54 TEXT_MODE1
55 TEXT_MODE0
56

PAMUTE

57

VSH IN

58

DEF

59

STB

60

SRESET

61

N. C.

62

HSYNC

63

POWIN

64

VSYNC

65

TV/AV1

66

AV/AV2

67

EXT

68

I2/UA

69

SW_SYNC

70 VACT_CONT
71

PMUTE

72

TVPOW

73

RGBCON

74

RC_LED

75

OPC_LED

76

PRT_LED

77

MP_CS

78

MP_DA

79

MP_CLK

80 DDC_RESET
81

KEY3

82

KEY4

83 PANEL_POW
84

TEXT_H

85 TUNERMODE1
86 TUNERMODE2
87

N. C.

88

SSW

89

AFT

90

N. C.

91

KEY1

92

KEY2

93

SLOW_SW

94

OPC

95

N. C.

96

N. C.

97

N. C.

98

TVSETB

99

VCCE

100

N. C

Open
Open
I2C bus clock data output
I2C bus data output/input
Scaller IC
Composite sync Signal
Remote control signal input
GND
GND/FLASH write (3.3V)
TEXT reset output
TEXT communication control
Reset input (H;Normal, L;Reset)
System clock output
GND
System clock input
Power (3.3V)
OSD frequency input
OSD frequency output
Main power input (H;OFF, L;On)
Scaller
OSD blank output

DAC1 chip select
DAC2 chip select
I2C bus clock putput
I2C bus data in/output
Autowide
Scaller clock output
Scaller data input
Scaller data output
L output fixed
OSD R signal output
OSD G signal output
OSD B signal output
TEXT data output/FLASH write
TEXT data input/FLASH write
FLASH write
FLASH write
Autowide
L output fixed
External bus mode shift input/FLASH write (H;Normal, L;External bus mode shift demand)
Lamp error detect input (H;Error, L;Normal)
L output fixed
For scaller IC
For scaller IC
FLASH write
For autowide
For autowide
For autowide
Regulator control output (H;On, L;Off)

Completion output of external bus mode shift (H;Normal, L;External bus mode)
Headphone mute output (H;On, L;off)
Audio mute output (H;On, L;Off)
TEXT microprocessor updating
TEXT microprocessor updating
Speaker standby mute output (H;Off, L;On)
Regulator power detect (H;Normal, L;Abnormal)
Extrnal output audio mute output (H;On, L;Off)
Microprosessor power supply OFF output
Multiplex reset output (H;Normal, L;Reset)
L output fixed
OSD horizontal sync signal input
DC/DC Start-up detect input (H;On, L;Off)
OSD vertical sync signal input
TV/External select (H;TV, L;External)
AV1/AV2 select (H;AV2, L;AV1)
External control change
I2C/UART change
Synchronous change control
For scaller IC
Video mute output (H;On, L;Off)
TV power control (H;On, L;Off)
SCART RGB detect
R/C receive LED output
Auto save LED output (H;On, L;Off)
Slave IC error detect output (FLASH)
G/A chip select
G/A data output
G/A clock output
Digital decoder reset (H;Normal, L;Reset)
Key input 3
Key input 4
Panel power control (H;On, L;Off)
TEXT/SCART RGB change (H;TEXT, L;SCART)
System change
System change
L output fixed
S terminal insert detect (H;Not connect, L;Connect)
AFT voltage input
L output fixed
Key input 1
Key input 2
Slow switch detect input
Auto save sensor level input
Open
Open
Pull up
GND
Power(5V)
Pull-up