Read Sharp LC-52XL1E (serv.man5) Service Manual online
LC-46XL1E/RU, LC-52XL1E/RU
5 – 10
GND*: Non-configured pins are fixed at GND.
Terminals' electrical characteristics are referred to in the EPM240T100C5N data sheet of Altera.
Note 1: Reset output monitor terminal with EXP31 in use.
Note 2: Composed of GCLR and OR.
72
I/O
—
GND*
NC
73
I/O
—
GND*
NC
74
I/O
—
GND*
NC
75
OFL2EN
I
OFL2 output enable
GND
76
I/O
—
GND*
NC
77
I/O
O
VGC soft write (Write mode at “H”) (INT: “L”)
BOOT
78
I/O
—
GND*
NC
79
GND
—
Ground
GND
80
VCCIO2 3.3V
—
Power supply 3.3V
3.3V
81
I/O
I
VSYNC_OSC
VSYNC
82
I/O
I
HSYNC_OSC
HSYNC
83
I/O
—
GND*
NC
84
I/O
—
GND*
NC
85
EXP[0]
O
Digital Tuner I2C Selector (INT: “L”)
DTI2CSEL
86
EXP[1]
O
DTM_RESET (INT: “L”)
DTM_RESET
87
EXP[2]
O
DTU_ON (Analog tuner at “L”, D-tuner at “H”) (INT: “L”)
DTU_ON
88
EXP[3]
O
232C on/off SW (RS232C action at “H”: VGC write enabled) (INT: “H”)
IREM_SW
89
EXP[4]
O
Set Top Box (LAMP ON) (INT: “L”)
STB
90
EXP[5]
O
S2_MUTE (INT: “L”)
S_2MUTE
91
EXP[6]
O
ANT+5V ON
ANT+5V ON
92
EXP[7]
O
S_MUTE (INT: “L”)
S-MUTE
93
GND
—
Ground
GND
94
VCCIO2 3.3V
—
Power supply 3.3V
3.3V
95
I/O
—
GND*
NC
96
I/O
—
GND*
NC
97
I/O
—
GND*
NC
98
I/O
—
used to TP1703
TP1703
99
I/O
—
GND*
NC
100
OFL-SET-IN
I
OFLWD[8] external setting terminal
GND
Pin No.
Pin Name
I/O
Pin Function
Sheet Name
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