Read Sharp LC-37X20E Service Manual online
LC-32X20E/S/RU, LC-37X20E/S/RU
5 – 14
35
LED_SLEEP
O
SLEEP_LED
36
AV_LINK_O
O
AV_LINK output
37
ANT_POW
O
Antenna power control
38
EXE_LED
O
Microprocessor operation check LED
39
I2C_GATE
O
I2C bus SW
40
N_SYSRST_IN
I
SYSTEM RESET switch detection
41
RS_ON
O
RS232C power control
42
STB
O
Backlight control.
43
ERR_PNL
I
Lamp error detection (L: error)
44
AV_LINK_I
I
AV_LINK input
45
SYNC_DET
O
PC power management setting
46
VSYNC
I
VSYNC interrupt
47
CEC_O
O
CEC output
48
CEC_I
I
CEC input
49
RC
I
Remote control signal input.
50
I2C1_SCL
O
I2C CH1
51
I2C1_SDA
I/O
I2C CH1
52
W_PROT_M
O
EEP write protection
53
P16
—
For debugger (E8) connection
54
DVIA_DET
I
DVI analog detection (for PC power management)
55
MUTE_A_ALL
O
Audio mute
56
DET_6V
I
6V detection
57
DET_10V
I
10V detection
58
DET_PNL12V
I
Panel 12V detection
59
DER_D3V3
I
D3.3V detection
60
DET_3V3
I
3.3V detection
61
EU_POW
O
Digital system power control
62
LINK_POW
O
i.Link power control
63
PNL_POW
O
5V ON/OFF SW for panel
64
D_POW
O
Main power ON/OFF control
65
SMPOW
O
Power control
66
PSIZ_L
I
Panel size discrimination terminal (Mounting discrimination)
67
PSIZ_H
I
Panel size discrimination terminal (Mounting discrimination)
68
QSTEMP
I
Thermistor input (Panel temperature)
69
KEY1
I
Main unit key input 1
70
KEY2
I
Main unit key input 2
71
AREA1
I
Panel size discrimination terminal (Mounting discrimination)
72
PNL_TYPE
I
Panel manufacturer discrimination (Mounting discrimination)
73
OPC
I
Brightness sensor input
74
AFT/AGC
I
Tuner AFT/ACG input
75
Avss
—
Analog GND for A/D
76
LNBSHORT
I
Antenna short detection (Low: OK, High: NG)
77
Vref
—
A/D converter reference voltage
78
Avcc
—
Analog power for A/D
79
PNL_TYPE
I
Panel solution discrimination (Mounting discrimination)
80
ILLUMI
O
Illumination LED
Pin No.
Pin Name
I/O
Pin Function
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