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Summary of Contents for VSB-70

Page 1: ...VSB 70 Fast Scan V Transceiver OperatIng Manual...

Page 2: ...ons Inc P O Box C2160 2006 196th S1 S W Lynnwood WA 98036 Customer Service 206 775 7373 Fax 206 775 2340 Telex 6972496 AEA INTL UW CompuServe User 10 76702 1013 73 C Mike Lamb N7ML President CONTENTS...

Page 3: ...itor your broad cast signal If you live in an area where channel 3 is used by a commercial television sta tion your VSB 70 must be configured for channel 4 and vice versa If you pur chased the wrong c...

Page 4: ...tton switch Selects crystal controlled Push button switch AIN Adjust video and audio Variable Resistors the transceiver Switches between transmit and Push button switch amp is lit when transmittinq Sw...

Page 5: ...olts Connects to 70 cm antenna or Coax connector BNC Connects to television receiver Coax Connector Type F Input connection for audio signals RCA phono jack adaoter Input connection for video signals...

Page 6: ...nel of the VSB 70 2 To transmit live video connect your video camera or Camcorder to the CAMERA connector on the front panel of the VSB 70 Connect to VIDEO and AUDIO jacks on the rear panel if a Camco...

Page 7: ...891 25 89 75 090 889 75 93 1875 090 893 18 91 6875 090 891 68 94 500 090 894 50 93 000 090 893 00 The above crystals can be ordered direct from AEA or through your 19 cal dealer Suggested price 15 ea...

Page 8: ...n the signal strength is maxi mum the oscillator is correctly tuned If a series of lines or dots show on the received picture slightly retune the F1 or F2 adjust accordingly 6 TRANSMIT MODE OPERA TION...

Page 9: ...cessary to perform NTSC video composite television transmission and reception in the 420 to 440 MHz band The system is designed around a single conversion hardware ar chitecture which utilizes the sam...

Page 10: ...scillator see page 12 The IF signal is then VSB filtered The Surface Acoustic Wave SAW Filter eliminates the major portion of the lower sideband of the IF signal The resultin g signal is not a true Si...

Page 11: ...r re tuning Your VSB 70 has been delivered with the output power preset to one watt I PEP on sync peaks into a 50 ohm load There are occasions when it is neces sary to adjust the output power to a dif...

Page 12: ...nd video on pin 2 of U2 with nor mal video input Set the front panel video gain control fully CCW and adjust R39 for the same level of sync pulses FREQUENCY CONTROL TransmiVReceive signaJ are mixed wi...

Page 13: ...APPLICAT IONS INC SCHEMATl C 0 I AGRAH IZ 5V I 1 p 1 en lIl e e 1 h 1 4 c l LJI Jlo h en f en 41 1 IU E 7 cu lP ZI_ 1 Im 9 SCHEMATIC fAGRAM b U11 G il o I U lZ I 6 PH II HIC AUtfIO i IN ll 0 vfflEO I...

Page 14: ...r Rl3 10 PARTS PICTORIAL Fl CRYSTAL CHANNEL 3 4 SELECT JUMPER Rl I 1 1 d t i r f PARTS PICTORIAL o Fl POWER ADJUST CAPACITOR...

Page 15: ...GIAL SIDE BAND FILTER 6Z ItHZ 430 BAND PASS FILTER TO TELEVISION RECEIVER DJPLEXER cae ItHZ HIXEIl 31Z 11HZ q3 11HZ DIPLEXER t IDSCILLATOR CJ Q o J CO 01 I I COPYRIGHT BY AOVANCED ELECTRONIC APPLICATI...

Page 16: ...under this warranty must be paid by the purchaser Correct maintenance repair and use are important to insure proper perfor mance from this product Carefully read the Instruction Manual This warranty...

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