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CXA2076Q Datasheet(PDF) 6 Page - Sony Corporation |
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CXA2076Q Datasheet(HTML) 6 Page - Sony Corporation |
6 / 48 page – 6 – CXA2076Q Power supply for RGB block. 17 18 19 R2IN G2IN B2IN Analog/digital (dual-purpose) RGB signal inputs. The input signals are input via capacitors. When using analog input, input a 0.7Vp-p signal (no sync, 100 IRE); when using digital input, input a signal of at least 1.5Vp-p (Vth = 1.2V). The display level is 67 IRE. When using digital input, digital input is selected regardless of the YS setting. In addition, the VM output is turned off. These pins are clamped to 5.7V at the burst timing of the signal input to the sync input pin (Pin 47). 30k 200 19 17 18 100µA 21 23 25 RSH GSH BSH Sample-and-hold for R, G and B AKB. Connect to GND via a capacitor. When not using AKB (manual CUTOFF mode), R, G and B cut-off voltage can be controlled by applying a control voltage to each pin. The control voltage is 4.5 ± 1V. 200 21 23 25 22 24 26 ROUT GOUT BOUT R, G and B signal outputs. 2.5Vp-p is output during 100% white input. 1.1mA 200 12k 22 24 26 27 IKIN Input the signal converted from the CRT beam current (cathode current Ik) to a voltage via a capacitor. The V blanking part is clamped to 2.7V at the V retrace timing. The input for this pin is the reference pulse return, and the loop operates so that the Rch is 1Vp-p and the G and Bch are 0.81Vp-p. The G and Bch can be varied by ±0.5V by the bus CUTOFF control. When not using AKB, this pin should be open. 1k 27 50µA 20 SVCC2 Pin No. Symbol Equivalent circuit Description |
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