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- 18 –
ViewSonic Corporation
Confidential - Do Not Copy
VX712
4.4 INTRODUCTION OF IC
RTD2523-LF(IC101)
:
integrate ADC, OSD, SCALER, LVDS, convert analog RGB into
digital and room and shrink scaling output to LCD panel.
PIN Function:
Pin Symbol
Description
1 XO
Reference
clock
output
2 XI
Reference
clock
input
3 DPLL_GND
Ground
for
digital
PLL
4
DPLL_VDD
Power for digital PLL(3.3v)
5
APLL_VDD
Power for multi-phase PLL(3.3v)
6 PLL_TEST1
Test
Pin
1/IRQ#
7
PLL_TEST2
Test Pin 2/Power-on-latch for crystal
out Frequency
8
APLL_GND
Ground for multi-phase PLL
9 PWM1/TMDS_TST
PWM1/TMDS_TEST
Pin/Power-on
latch for serial/parallel port
11
、
13
、
19
、
26
TMDS_VDD 3.3V
12
EXT_RES
Impedance Match Reference
14
RX2P
Differential Data Input
15
RX2N
Differential Data Input
17
RX1P
Differential Data Input
18
RX1N
Differential Data Input
20
RX0P
Differential Data Input
21
RX0N
Differential Data Input
23
RXCP
Differential Data Input
24
RXCN
Differential Data Input
51 PWM2/TCON[2]/S[3]
PWM2/TCON[2]/SDIO[3]
55 PWM2/TCON[13]/COUT
PWM2/TCON[13]/Crystal
out
113 PWM2/TCON[12]/COUT
PWM2/TCON[12]/Crystal
out
47
PWM1/DDCSDA/TCON[1]/BBLU[0]
PWM1/DDC serial control I/F data
input/output/TCON[4]
125 PWM1/DDCSDA2/TCON[7]
PWM1/DDC serial control I/F data
input/output/TCON[7]
112
PWM0 / REFCLK
PWM0(In/out)test pin for DCKL/Video
8 even-odd signal
54
SDIO[0]
Serial control I/F data in/Parallel port
data[0]
53
SDIO[1]/TCON[4]/BBLU[0]
Parallel port data[1]/TCON[4]/TTL
BBLU[0]
52
SDIO[2]/TCON[3]/BBLU[1]
Parallel port data[2]/TCON[3]/TTL
BBLU[1]
51
SDIO[3]/PWM2/TCON[2]
Parallel port data[1]/TCON[4]/PWM2
50
SCLK
Serial control I/F clock
Содержание VX712
Страница 20: ... 20 ViewSonic Corporation Confidential Do Not Copy VX712 ...
Страница 44: ... 44 ViewSonic Corporation Confidential Do Not Copy VX712 Sep2 Inpute the S N and execute Enter ...
Страница 45: ... 45 ViewSonic Corporation Confidential Do Not Copy VX712 ...
Страница 46: ... 46 ViewSonic Corporation Confidential Do Not Copy VX712 Sep3 Key the Enter and write the data ...
Страница 47: ... 47 ViewSonic Corporation Confidential Do Not Copy VX712 Sep4 If ddc program OK and show data compare ok ...
Страница 48: ... 48 ViewSonic Corporation Confidential Do Not Copy VX712 5 7 Packing For Shipping ...
Страница 50: ... 50 ViewSonic Corporation Confidential Do Not Copy VX712 6 Troubleshooting Flow Chart ...
Страница 69: ... 69 ViewSonic Corporation Confidential Do Not Copy VX712 9 Exploded Diagram And Spare Parts List ...
Страница 75: ... 75 ViewSonic Corporation Confidential Do Not Copy VX712 11 Block Diagram Scaler RTD2523 Include ADC OSD etc ...
Страница 81: ... 81 ViewSonic Corporation Confidential Do Not Copy VX712 12 6 Audio ...
Страница 83: ... 83 ViewSonic Corporation Confidential Do Not Copy VX712 13 3 KEYBOARD TOP VIEW 13 4 KEYBOARD BUTTON VIEW ...
Страница 84: ... 84 ViewSonic Corporation Confidential Do Not Copy VX712 13 5 POWER PCB TOP VIEW ...
Страница 85: ... 85 ViewSonic Corporation Confidential Do Not Copy VX712 13 6 POWER PCB BUTTON VIEW ...
Страница 86: ... 86 ViewSonic Corporation Confidential Do Not Copy VX712 13 7 AUDIO PCB BUTTON VIEW ...