D10C SERIAL DIGITAL TO ANALOG CONVERTER USER MANUAL
Contents
1. J7b switch the component outputs between RGB and Y R Y B Y formats UP position RGB Jumper J8a switches the C O MPO SITE output between Y w sync and CO MPO SITE SYN C 2 volt for component inputs UP position COMPOSITE SYNC Jumper J6b adds 7 5 IRE set up pedestal to the Y GRN output UP position set up ON Jumper selests between N ARROW line 12 and W IDE line 22 vertical blanking UP position NARROW D10C MANUAL HBLANK Jumper J5b selects between N ARROW 720 pixels and W IDE normal analog blanking horizontal blanking UP position NARROW GAIN AD Pote R5 R23 R28 and R42 set output video levels see adjustment procedures DC ADJ Pots R14 R33 R41 set output DC levels see adjustment procedures SERIAL RX VCO Pots R49 R58 R64 set the serial receiver VCO free run frequency see adjustment procedures ADJUSTMENT PROCEDURES CAUTION This product contains electrical components that are susceptible to damage from static discharge Any adjustment or maintenance should be done only at a static free workstation by qualified personnel Internal format selection and adjustments are accessed by removing the top and bottom coverdis of the D10C The D10C should then be oriented such that the component legends are as shown in Fig 2 The push on jumpers should be removed replaced by gripping the top hat of the jumped with small needle nose pliers The pots require a 3 32 inch 2 4 mm non metal2. on the R Y and B Y outputs 6 Adjust R14 Y DC for a Y blanking level of 0 volts 7 Adjust R41 and R23 for a blanking level midpoint of 0 volts on the R Y and B Y outputs BETA 625 50 1 Connect a component serial digital test generator to the D 10C input select 7596 bars 2 Connect a waveform monitor or terminated oscilloscope to the D 10C component outputs 3 W hile power is off set D10C jumpers J5 through J10 as shown in Fig 2 for BETA 625 50 4 Connect power and adjust R28 Y GAIN for a 700 mv Y video level between blanking and white 5 Adjust R42 and R23 for a 700mv peak to peak level 350 mv on the R Y and B Y outputs 6 Adjust R14 Y DC for a Y blanking level of 0 volts 7 Adjust RAL and R33 for a blanking level midpoint of 0 volts on the R Y and B Y outputs MII 1 Connect a component serial digital test generator to the D10C input select 10096 bars 2 Connect a waveform monitor or terminated oscilloscope to the D10C component AJA VIDEO D10C MANUAL 6 outputs 3 W hile power is off set D10C jumpers J5 through J10as shown in Fig 2 for MII 4 Connect power and adjust R28 Y GAIN for a 647 mv Y video level between black and white 5 Adjust R42 and R23 for a 648 mv peak to peak level 324 mv on the R Y and B Y outputs 6 Adjust R14 Y DC for a Y blanking level of 0 volts 7 Adjust R41 and R33 for a blanking level midpoint of 0 volts on the R Y and B Y outputs Composite
3. D10C SERIAL DIGITAL TO ANALOG CONVERTER USER MANUAL cmm par AJA VIDEO WARNING This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications It has been terted and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC rules which are designed to provide reasonable protection against such interference when operated in a commercial environment O peration of this equipment in a residential area is likely to cause interence in which case the user at his own expense will be required to take whatever measures necessary to correct thye interference This equipment was tested using the appropriate shielded cables Failure to use proper cables will result in radio interference outside acceptable limits 800 251 4224 PO Box 1033 AJA VIDEO 443 Crown Point Circle Tel 530 274 2048 Grass Valley California 95945 USA Fax 530 274 9442 INTRODUCTION The D 10C serial to analog converter provides excellnt quality 10 bit digital to analog conversion atlow cost The D10C is useful for converting analog monitors to serial digital monitors waveform monitoring or adding a serial input to VTRs workstations or other analog video equipment The D10C automatically works with component or composite serial digital inputs in 525 or 625 line formats It provides comp
4. Fig 3 5 By slowly adjusting R49 clockwise set the LO O P FILTER VO LTAGE to a point 220 mv above the value measured in step 4 Composite serial digital NOTE Both R64 143 mb adjustment and R58 177 mb adjustment have enough range to lock to both rates If the proper adjustment has no effect then the other must be de tuned adjust counter clockwise until the proper pot R64 for 143 mb R58 for 177 mb can be set Locking the D10C with the wrong pot will cause improper operation Composite NTSC 143 mb 1 Connect a composite N TSC serial digital source to the D 10C input 2 Connect a picture monitor to the D 10C composite output 3 Adjust R64 counter clo ckwise until there is a loss of video this indicates the VCO is unlocked also the green LO CK LED on the D 10C will go out 4 Slowly adjust R64 clockwise until video re appears Measure and note the LOOP FILTER VOLTAGE appearing on pin 1 of R47 Fig 3 5 By slowly adjusting R64 clockwise set the LO O P FILTER VOLTAGE to a point 220 mv above the value measured in step 4 Composite PAL 177 mb 1 Connect a composite PAL serial digital source to the D 10C input 2 Connect a picture monitor to the D10C composite output 3 Adjust R58 counter clockwise until there is a loss of video this indicates the VCO is unlocked also the green LO CK LED on the D 10C will go out 4 Slowly adjust R58 clockwise until video re appears Measure and note the LOOP FILTER VOLTAGE appea
5. by 3 5 1 Connect a composite serial digital test generator to the D 10C input select 10096 bars 2 Connect a waveform monitor or terminated oscilloscope to the D10C composite output 3 Adjust R5 COMPOSITE GAIN for a 714 mv NTSC or a 700 mv PAL video level between blanking and W hite NOTES The composite video output level can be accurately set for only one video standard either N TSC or PAL W hen set for one the other will be off approx 796 If both are needed the error can be reduced to approx for both by setting the NTSC level to 690 mv PAL white will then be approx 720 mv SERIAL DIGITAL RX VCO ADJUSTMENT These adjustments are accessed by removing the top cover of the D10C The serial digital receiver VCO voltage controlled oscillator adjustment sets the free run frequency to the optimum point These adjustments account for differences occurring in the chip manufacturing process and are not normally changed in the field Component serial digital 270 mb 1 Connect a component serial digital source to the D 10C input 2 Connect a picture monitor to the D 10C component outputs 3 Adjust R49 counter clo ckwise until there is a loss of video this indicates the VCO is unlocked also the green LO CK LED on the D 10C will go out 4 Slowly adjust R49 clockwise until stable video re appears Measure and note the LOO P AJA VIDEO D10C MANUAL 7 FILTER VO LTAGE appearing on pin 1 of R47
6. component serial input only Y R Y B Y or RGB jumper selected Sync on Y GREEN and set up pedestal selected by internal jumper Level and DC adjustable 10 bits NTSC 525 composite serial input only PAL 625 composite serial input only Y component serial input 10 bits I 25 db to 5 2 Mhz 25 db to 2 6 Mhz 5 to 5 Mhz Less than 196 10ns 5 8 x 3 1 x 1 147 mm x 79 mm x 25 mm 5 VDC regulated 650 ma max See Figure 4 for power I I connector wiring diagram D10C MANUAL OPERATION INFORMATION INPUT OUTPUT SERIAL INPUT SERIAL OUTPUT 1 amp 2 COMPONENT OUTPUTS LOCK INDICATOR POWER 270 mb 4 2 2 component 143 mb composite NTSC or 177 mb composite PAL serial digital inputs conforming to SMPTE 259M Active serial input loop through equalized re clocked and separatelv buffered Outputs NTSC for 143 mb composite serial inputs PAL for 177 mb composite serial inputs and Y or SYNC for component serial inputs regardless of component output format configuration The green LED lock indicator will light when power is applied and the serial receiver is locked to a valid input The D10C requires 5 volts regulated DC at 650 ma max The power connector is a CON XALL P N 16 282 2SG 318 INTERNAL JUMPERS AND ADJUSTMENTS Fig 1 amp 2 SYNC RGB SYNC ONLY SET UP VBLANK AJA VIDEO Jumper J9b adds sync to GRN Y UP position SYNC ON Jumpers J10a J10b J9a J8b 7
7. lic alignment screw driver VIDEO OUTPUT FORMAT ADJUSTMENT Y R Y B Y SMPTE EBU N10 1 Connect a component serial digital test generator to the D10C input select 10096 bars 2 Connect a waveform monitor or terminated oscilloscope to the D10C component outputs 3 W hile power is off set D10C jumpers J5 through 10 as shown in Fig 2 for Y R Y B Y 4 Conect power and adjust R28 Y GAIN for a 700 mv Y video level between blanking and white 5 Adjust R42 and R23 for a 700 mv peak to peak 350 mv level on the R Y and B Y outputs 6 Adjust R14 Y DC for a Y blanking level of 0 volts 7 Adjust R41 and R33 for a blanking level midpoint of 0 volts on the R Y and B Y AJA VIDEO D10C MANUAL 4 outputs AJA VIDEO D10C MANUAL 1 First configure and adjust the video levels as described for Y R Y B Y above 2 Set jumpers J10a J10b J9a J8b J7a and J7bto the RGB position as shown in Fig 2 3 Sync may be added to the GREEN output by setting J9b to the up position BETA 525 60 1 Connect a component serial digital test generator to the D 10C input select 7596 bars 2 Connect a waveform monitor or terminated oscilloscope to the D10C component outputs 3 W hile power is off set D10C jumpers J5 through J10 as shown in Fig 2 for BETA 525 60 4 Connect power and adjust R28 Y GAIN for a 714 mv Y video level between blanking and white 5 Adjust R42 and R23 for a 700 mv peak to peak level 350 mv
8. onent analog outputs for component serial inputs a NTSC output for composite serial inputs and a PAL output for 625 composite serial inputs The composite or NTSC PAL output works only with composite D 2 D 3 inputs The component analog outputs are user configurable to cover a wide range of formats including Y R Y B Y RGB Beta and MII Sync set up pedestal and blanking are also configrable In addition the composite analog output provides an extra Y output for component inputs this feature allows multi format standard monitoring when using a single black and white monitor This output can also be configured as a Composite Sync output for component inputs Both and V blanking are adjustable with NARROW W IDE selections The NARROW blanking selection allows all 720 pixels of component digital to be displayed The D10C provides 2 equalized re clocked and separately buffered loop through serial outputs AJA VIDEO D10C MANUAL 1 SPECIFICATIONS Serial Interface Serial Input Return Loss Cable EQ Serial Outputs Return Loss Risetime Jitter Component Analog O utput Format D A converters Composite Analog Output Format D A converter Frequency response Y R Y B Y NTSC PAL K factor 2T Y to C delay Dimentions Power Requirements AJA VIDEO SMPTE 259M gt 15 db 5 270 MHz 0 300 meters typical Belden 8281 gt 15 db 2 270 MHz 600 ps typical 250 ps typical w 250 ps input jitter
9. ring on pin 1 of R47 Fig 3 5 By slowly adjusting R58 clockwise set the LO O P FILTER VOLTAGE to a point 220 mv above the value measured in step 4 AJA VIDEO D10C MANUAL 8 B Y DC R33 U4 R Y GAIN FIGURE 1 VIDEO OUT GAIN DC ADJUSTMENT GRANY SYNC SET RGB RGB RGB SYNC ONLY RGB RGB RGB SPARE UP J10 J9 J8 J JG Y R Y B Y SMPTE EBU N10 WIDE BLANKING GRNY SYNC SET RGB RGB sync ONLY RGB RGB RGB SPARE UP 410 Jg J8 J7 JG RGB SYNC ON GREEN GRNY SYNC RGB RGB RGB SYNC ONLY RGB J8 BETACAM 525 60 WIDE BLANKING SYNC SET ONLY RGB RGB RGB SPARE UP J8 J7 JG RGB RGB J10 BETACAM 625 50 GRNY SYNC SET RGB RGB sync ONLY RGB RGB RGB SPARE UP J10 J8 J7 MII WIDE BLANKING FIGURE 2 JUMPER CONFIGURATIONS AJA VIDEO D10C MANUAL LOOP FILTER VOLTAGE TEST POINT FIGURE 3 SERIAL DIGITAL RX VCO ADJUSTMENT GROUND 5 VOLTS REGULATED VIEW CF POWER CORD PLUG FEMALE END CONNECT OR CONXALL P N 16 282 23G 318 FIGURE 4POWER CONNECTOR WIRING AJA VIDEO D10C MANUAL
Download Pdf Manuals
Related Search