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CXA1854AR Datasheet(PDF) 10 Page - Sony Corporation |
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CXA1854AR Datasheet(HTML) 10 Page - Sony Corporation |
10 / 45 page – 10 – CXA1854AR Setting Conditions for Measuring Electrical Characteristics When measuring the DC characteristics, the TG block must be horizontally synchronized by performing Setting 2. Setting 2 must also be performed when measuring the AC characteristics. When measuring items with bands greater than 2MHz such as the Y frequency response or sharpness characteristics, settings 1 and 3 must also be performed and measurements made with the sample-and-hold circuit set to through status. Setting 1. System reset After turning on the power, set SW52 to ON and start up V52 from GND in order to activate the timing controller system reset. (See Fig. 1-1.) Setting 2. Horizontal AFC adjustment Input SIG6 (VL = 0mV) to (A) and adjust VR12 so that WL and WH of the TP12 output waveform are the same. (See Fig. 1-2.) Setting 3. S/H off Input the signals shown in Fig. 1-3 to Pins 16, 17, 18 and 19 in order to set the sample-and-hold circuit to through status. VDD (VCC1) V52 (RESET) TR > 10µs TR SIG6 TP12 WL = WH WL WH WS Fig. 1-1. System reset Fig. 1-2. Horizontal AFC adjustment VDD GND VDD GND VDD GND VDD GND Pin 19 Pin 18 Pin 17 Pin 16 Fig. 1-3. S/H off input pattern |
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