Color/black and white TV signal generator(YDC-868-2) - 868-2

YDC-868 Series TV Signal Generator

YDC-868-2 Color / black and white television signal generator

YDC-868 (2,3-type) computer storage type color / black and white TV signal generator system with memory, CPU, high-tech devices such as dedicated encoder composed of 16 species can produce the ideal pattern, pattern is very stable and accurate color phase error less than ± 3 °, from the impact of temperature and voltage, uses a wide range, suitable for the design, production, maintenance, color / black and white TV, track circuit failures and adjust the levels of use.

Specifications
1. the TV standard: PAL-D system
2.line frequency: 15625 ± 1%
3. the field frequency: 50Hz
4. the color load wave: 4. ± 20Hz
5. the RF signal output: 868-2 Type ,868-3 for the 1-50 channels. Frequency of side L 1-5, H-frequency end of 6-12, U-frequency side 13-50
6. Audio: 6.5 MHz
7. the video output ≥ 1Vp-p 75Ω load negative
8. the image signal types: 1 electronic round eight color bars 2 3 4 pips grid center cross line 5 6 7 board cut red (-R) 8 minus green (-G) 9 by blue (-B) 10 yellow 11 white field Green Green Field 13 Field 12 Field 15 Red 16 Blue 14 Magenta
9.868-3 machine has a modulation function, when there are external audio and video signals, can be fired at any channel modulation (15m away) the video input amplitude 1Vp-p, the audio input is 600Ω odb ± 3db (the machine is equipped audio and video attenuator)
10. power supply: 220V ± 20% power consumption <8W
11. Dimensions: 203 X 220 X 70 standard plastic enclosure weighing about 1Kg

Use
1, high-frequency transmitter: Pull out the antenna, turn the power on, select the appropriate frequency and TV receiver end of the corresponding
Frequency end, fine-tune the frequency knob until you receive a stable graphics, select the required test pattern.
Interlock Switch the location of the function keys:
1, the color bars: the left of the six interlocking keys and a separate pop-up all-B bond.
2, round, ideas, pane, the grid,-R,-G, respectively, corresponding to the key while pressing the key bounce-B
The corresponding test pattern.
3, the center crosshair: Press the circle and square button to eject the two key-B can be obtained.
4, magenta: circles and squares, and-B are pressed together.
5,-B key is pressed in white, yellow, blue, green, red and blue graphics below,-B button when the pop-up
Surface graphics.
868-3 modulator to use:
To the rear panel of the "external" switch to "outside" and VCR, camcorder, VCD, video and audio output signals to the machine's video and audio inputs, appropriate adjustment knob audio attenuation can in 1-50 channels to ensure a stable image and sound.