Read Sharp LC-26D44E (serv.man6) Service Manual online
LC-26D44E/S/RU-BK/GY
5 – 5
• HDCP Built in Self Test (BIST) lowers cost to test HDCP operation.
• Pre-programmed HDCP keys provide highest level of key security, simplifies manufacturing.
Pin No.
Pin Name
I/O
Pin Function
Digital Video Output Pins.
144, 143, 142, 141, 140, 137, 136, 133, 132, 131,
130, 129, 126, 125, 124, 123, 119, 118, 117, 116,
113, 112, 111, 110
Q0-23
O
24-bit Output Pixel Data Bus.
1
DE
O
Data enable.
2
HSYNC
O
Horizontal Sync Output control signal.
3
VSYNC
O
Vertical Sync Output control signal.
121
ODCK
O
Output Data Clock.
Digital Audio Output Pins.
97
XTALIN
I
Crystal Clock Input.
96
XTALOUT
O
Crystal Clock Output.
88
MCLKOUT
O
Audio Master Clock Output.
86
SCK
O
I2S Serial Clock Output.
85
WS
O
I2S Word Select Output.
84
SD0
O
I2S Serial Data Output.
78
SPDIF
O
S/PDIF Audio Output.
77
MUTEOUT
O
Mute Audio Output.
Configuration/Programming Pins.
104
INT
O
Interrupt Output.
102
RESET#
I
Reset Pin. Active LOW. 5V Tolerant.
32
DSCL0
I
DDCI2C Clock for Port 0. 5V Tolerant.
31
DSDA0
I/O
DDCI2C Data for Port 0. 5V Tolerant.
30
DSCL0
I
DDCI2C Clock for Port 1. 5V Tolerant.
29
DSDA1
I/O
DDCI2C Data for Port 1. 5V Tolerant.
28
CSCL
I
Configuration I2C Clock. 5V Tolerant.
27
CSDA
I/O
Configuration I2C Data. 5V Tolerant.
103
SCDT
O
Indicates active video at HDMI input port.
107
CLK48B
I/O
Data Bus Latch Enable.
34
R0PWR5V
I
Port 0 Transmitter Detect. 5V Tolerant.
33
R1PWR5V
I
Port 1 Transmitter Detect. 5V Tolerant.
101
RSVDL
I
Reserved, must be tied LOW.
56
RSVD_A
Reserved Pin, leave unconnected.
6, 7, 8, 10, 11, 12, 13, 14, 17, 18, 19, 20, 81, 82,
83, 87, 93, 100
NC
---
No internal connection.
9
EVNODD
O
Indicates. Even or Odd field for interlaced formats. Polarity pro-
grammable in register.
grammable in register.
Differential Signal Data Pins.
40
R0XC+
I
HDMI Port 0. TMDS input clock pair.
39
R0XC-
I
44
R0X0+
I
HDMI Port 0. TMDS input data pair.
43
R0X0-
I
48
R0X1+
I
HDMI Port 0. TMDS input data pair.
47
R0X1-
I
52
R0X2+
I
HDMI Port 0. TMDS input data pair.
51
R0X2-
I
59
R1XC+
I
HDMI Port 1. TMDS input clock pair.
58
R1XC-
I
63
R1X0+
I
HDMI Port 1. TMDS input data pair.
62
R1X0-
I
67
R1X1+
I
HDMI Port 1. TMDS input data pair.
66
R1X1-
I
71
R1X2+
I
HDMI Port 1. TMDS input data pair.
70
R1X2-
I
Power and Ground Pins.
22, 23, 35, 74, 79, 92, 105, 114, 128, 139
CVCC18
---
Digital Logic VCC.
21, 24, 36, 73, 80, 91, 106, 115, 127, 138
CGND
---
Digital Logic GND.
5, 16, 26, 76, 89, 109, 122, 134
IOVCC
---
Input/Output Pin Supply(3.3V).
4, 15, 25, 75, 90, 108, 120, 135
IOGND
---
Input/Output Pin Ground.
38, 42, 46, 50, 57, 61, 65, 69
AVCC
---
TMDS Analog VCC.
41, 45, 49, 53, 60, 64, 68, 72
AGND
---
TMDS Analog GND.
37
PVCC0
---
TMDS Port 0 PLL VCC.
55
PVCC1
---
TMDS Port 1 PLL VCC.
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