Meridian LD100/LD100U - Manual

The Faroudja System LD100 digital scan converteris a precision video instrument used to convertNTSC Composite, Y/C, or 525 line RGB orComponent interlaced signals into 525 line progres-sive outputs. Using the LD100 digital scan converterwill produce pictures with more details, removeunwanted picture...

Circuit Description Figure 1 is a block diagram of the LD100 showingsignal flow and the location of front panel controlsand switches. Composite Video and Y/C (S-VHS)inputs are connected to the units decoder with AGCcontrol and converted to Y, R-Y and B-Y signals.The Y, (Luminance) output from the de...

LD100 TECHNICAL HIGHLIGHTS – The LD100 is far more than simply a “line doubler”. It is a truly unique product in the world of high performance video. The LD100 is actually a complex image processor that consists of three distinct components – all utilizing patented Faroudja technologies and engineer...

7 on two different mechanisms. Horizontal resolution is afunction of bandwidth (frequency response) of the circuitrywhile vertical resolution is a function of the scanning fre-quency (the number of scan lines in each picture). Giventhese mechanisms and the average size picture tubebeing 8-10”, they ...

Unpacking Remove the LD100/LD100U from the shippingcontainer and examine it for any signs of shippingdamage or missing items, (check inventory list onpage 5). All shipping materials should be saved if the unit is to be moved or should need to be returned forservice or repair. Installation The LD100/...

The LD100 Control panel Selecting a push button control lights the adjacentLED to indicate activation or selection of that partic-ular function. 1) Power ON/OFF – Press the button and the LED lights green to indicate POWER ON. When theLD100 powers up it is automatically set to oper-ate just as it wa...

Problem Solution No power light Unit not turned onUnit not plugged inFuse blownNo power at plug No picture Video source not selectedNo video source connected or operatingProjector/Monitor not turned onProjector/Monitor not connected correctlyBad video cableUnit in freeze modeCheck brightness and con...

Overview Remote control of the LD100 / LD100U LineDoubler is provided by an RS-232 serial interfaceconnector located on the rear panel of the unit. Aexternal controller such as a computer or integratedsystem controller with an RS-232 interface may beused to control all user accessible functions of t...

Command Line The LD100 is programmed by means of a“Command Line”, which is an ASCII string of up to255 characters that contains one or more individualinstructions to the LD100. The Command Lineoffers the best compromise between manual opera-tion via a data terminal and automatic control via acontrol...

ST or st This command will return a string showing the current settings of the LD100.Example: HELP or help This command will return a list ofcommands used for the LD100Line Doubler. LD100 Local / Remote Operation The LD100 stores all of it’s settings in a Non-volatileram and will return to the last ...

Cable Lengths and Distribution Amplifiers To aid in achieving the bet results from your installa-tion, we suggest the following minimum standardsfor cable runs when an LD100 is used. To preserve the video quality of the LD100, thesignal path should be no more than –3db down at25 MHz through a 75 ohm...

17 SPECIFICATIONS LD100 Specifications INPUT SIGNALS (NTSC) 525 Line 2:1 Interlace Video 1Vp-p, Negative Sync 714mV Luminance Y/C Y/C (3.58) Non-Composite 700m/Vp-p Y286mVp-p C (Burst) RGB 700mVp-p Non-Composite, 1Vp-p Composite Component Y(1V w/Sync), R-Y(714mV), B-Y(714mV) Composite Sync Negative,...

WARRANTY INFORMATION All FAROUDJA Laboratories products are warranted to the original purchase againstdefective materials and workmanship under normal use and service for a period of one(1) year from the date of shipment. This warranty shall be of no force and effects if mod-ifications have been mad...