Read Sharp LC-37X20E Service Manual online
LC-32X20E/S/RU, LC-37X20E/S/RU
5 – 13
2.8. IC2002 (RH-iXB986WJN8Q)
2.8.1 Pin Connections and short description
62
R2X0+
I
TMDS input Port 2 data pairs.
61
R2X0-
I
65
R2X1+
I
64
R2X1-
I
68
R2X2+
I
67
R2X2-
I
59
R2C+
I
TMDS input Port 2 clock pair.
58
R2C-
I
7
TX0+
O
TMDS output data pairs.
8
TX0-
O
4
TX1+
O
5
TX1-
O
1
TX2+
O
2
TX2-
O
10
TXC+
O
TMDS output clock pair.
11
TXC-
O
12
EXT_SWING
I
Voltage Swing Adjust. A resistor tied from this pin to AVCC18 determines the amplitude
of the voltage swing. The recommended value is 750
of the voltage swing. The recommended value is 750
Ω.
Power and Ground Pins
23, 43, 55, 63
23, 43, 55, 63
AVCC33
—
Analog VCC. Connect to 3.3V supply.
6, 17, 29, 37, 49,
57, 69
57, 69
AVCC18
—
Analog VCC. Connect to 1.8V supply.
3, 9, 20, 26, 40,
46, 60, 66, 80
46, 60, 66, 80
AGND —
Analog
GND.
33, 73
DVCC18
—
Digital VCC. Connect to 1.8V supply.
34, 74
DGND
—
Digital GND.
Pin No.
Pin Name
I/O
Pin Function
1
SHIP_EN
O
SHIP (CSI) processing enabled/disabled selection signal
2
CS_CPLD
O
CPLD chip select
3
N_SRESET
O
Reset
4
PM_REQ
O
Request signal (Communication request at H)
5
IR_PASS
O
Remote control signal external through switching
6
Vc1
—
Internal voltage drop power terminal
7
X2
I
Sub clock (32.768kHz)
8
X1
O
Sub clock (32.768kHz)
9
N_RESET
I
System reset
10
OSC2
O
System clock (20.00MHz)
11
Vss
—
GND
12
OSC1
I
System clock (20.00MHz)
13
Vcc
—
Power supply (+3.3V)
14
N_NMI
I
For FLASH rewrite
15
WAKE_UP
I
For WAIT mode return
16
AC_DET
I
For instantaneous blackout detection
17
POW_SW
I
Power SW
18
FRAME
O
Panel controller control (50/60 setting)
19
ROMSEL0
O
For test pattern control
20
O_S_SET
O
Panel controller control ON/OFF
21
TEMP1
O
Panel controller control, temperature information 1
22
TEMP2
O
Panel controller control, temperature information 2
23
TEMP3
O
Panel controller control, temperature information 3
24
L_R
O
Panel controller control, flip horizontal
25
U_D
O
Panel controller control, flip vertical
26
UARXD_M
I
Serial for MAIN CPU communication (To TXD of MAIN CPU)
27
UATXD_M
O
Serial for MAIN CPU communication (To RXD of MAIN CPU)
28
TXD
O
For debugger (E8) connection
29
RXD
I
For debugger (E8) connection
30
SCLD
I
For debugger (E8) connection
31
BUSY
I
For debugger (E8) connection
32
LED_R
O
Power LED, red
33
LED_G
O
Power LED, green
34
LED_OPC
O
OPC LED
Pin No.
Pin Name
I/O
Pin Function
Click on the first or last page to see other LC-37X20E service manuals if exist.