Speco Technologies VM-1201 service manual Disclaimer

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WARNING

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For continuous protection against radiation, shock and flame, replace only with same type and rating components specified in the approved sheets.

Disclaimer

Speco Technologies makes no representation or warranties, either expressed or implied, with

respect to the contents hereof and specifically disclaims any warranties, merchantability or fitness for any particular purpose. Furthermore Speco Technologies reserves the right to revise this publication and to make changes from time to time in contents hereof without obligation to notify any person of such revision or changes.

Table of Contents

1.INTRODUCTION .......................................................….....…………………………………….. 3

1.1OPERATIONAL SPECIFICATION ................................…............…………………….……... 3

1.1.1Operating Environment ...........................................…..………………………………….. 3

1.1.2Signal Input Requirements ...................................….....…………………….……………. 4

1.1.3 Power Input Requirements ................................…......……………………....…………… 4

1.2FUNCTIONAL SPECIFICATION...........................…....……………………...............………. 5

1.2.1Display Quality....................................................………………….………..………….. 5

1.3CONTROL AND ADJUSTMENTS.........................…....................…………………………... 6

1.4PHYSICAL SPECIFICATIONS................................….........……………………......………... 7

2.THEORY OF OPERATION..........................................…..…………………….........………….. 7

2.1MAIN POWER SUPPLY BLOCK......................….....….……………………...............……... 7

2.2VIDEO INPUT BLOCK ............……….......................…………………….............…………. 7

2.2.1Video filter………….….…………………………………………………………………. 7

2.3 VERTICAL & HORIZONTAL PROCESSOR

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2.3.1Vertical guard……………………………………………………………………………… 7

2.3.2Vertical Drive Output………..……………………………………………………………. 7

2.3.3Sync Separator……………………………………………………………………………. 7

2.3.4Phase Detector…………………………………………………………………………….. 7

2.3.5Supply……………………………………………………………………………………... 8

2.3.6 Horizontal Oscillator, Horizontal O/P Transistor and Second Phase Detector…………… 8

2.3.7Mute Output And 50/60 HZ Identification………………………………………………... 8

2.3.8Sandcastle Output…………………………………………………………………………. 8

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Contents Model Disclaimer APPENDIX： Spare Parts List Schematics and PCB Layout Diagram Operational Specification Operating EnvironmentPower Input Requirements Functional SpecificationSignal Input Requirements Display Quality Controls and adjustments Physical SpecificationsMain Power Supply Block Video input block Vertical & horizontal processorSupply pin9, 10 Phase detectorVertical Deflection Block Mute output and 50/60HZ identification pin131No Display, No Power Horizontal Deflection Block4Vertical Deflection Failure 2No Display, power output normal3No Display No Raster Appendix A. Spare Parts List FBTAppendix B. Schematics and PCB Layout Diagram VR Board VM-901B/1201/1501B W/AUDIO Main Board

VM-1201 specifications

Speco Technologies is known for its commitment to providing high-quality surveillance solutions, and the VM-1201 is no exception. This innovative video monitor is designed to meet the needs of modern security systems while offering impressive features that enhance both performance and usability.

One of the standout characteristics of the VM-1201 is its 12-inch display, which provides clear and crisp video footage. This size strikes an excellent balance, making it suitable for various applications, whether for personal use, business security, or monitoring large areas in a facility. The monitor supports various video inputs, allowing users to connect multiple cameras and display them simultaneously. This versatility is particularly beneficial for security personnel who require real-time monitoring of multiple feeds.

Another key feature of the VM-1201 is its high-resolution display, which ensures that every detail is captured and displayed accurately. This is critical in a surveillance context where identifying individuals or assessing situations can depend on clarity. The monitor is equipped with advanced technologies that enhance image quality, such as brightness and contrast adjustments, ensuring optimal performance in various lighting conditions.

In terms of design, the VM-1201 is sleek and space-efficient, making it easy to integrate into any environment. The durable construction means it can withstand the rigors of continuous operation, making it a long-lasting addition to a surveillance system. Its flexible mounting options allow users to position the monitor in a way that best suits their monitoring needs, whether on a desktop, wall-mounted, or stand-alone.

Furthermore, the VM-1201 is user-friendly, featuring an intuitive interface and accessible controls that simplify operation. Quick access to settings and adjustments ensures that users can customize their viewing experience to align with their specific requirements.

Overall, the Speco Technologies VM-1201 combines exceptional performance, advanced technologies, and practical features that cater to the demanding needs of the security industry. Whether used in homes, retail environments, or corporate settings, this monitor delivers reliable and high-quality video monitoring solutions, making it a valuable asset for professionals and security enthusiasts alike. Its blend of functionality, durability, and user-centric design solidifies its position as a leading choice in video surveillance technology.
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