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Text excerpt from page 22 (click to view)
140.0_V B+ voltage check
1. Set the BRIGHT and PICTURE to minimum by using the PICTURE menu. 2. Connect the DVM on TPD144 (D-Board by D2 connector) and cold ground 3. Confirm that B+ voltage is 144.0V ± 1.5V. This voltage supplies B+ to the horizontal output and flyback circuits.
Source voltage chart 120V AC line input. Set the BRIGHT and the PICTURE to minimum by using the PICTURE menu. Use cold or hot ground for the (-) lead of the DVM as needed A-BOARD STBY 7V (BY IC804) A-Board TPP9 MAIN 9V (BY IC875) A-Board TPA7 MAIN 5V (BY IC871) A-Board TPA8 GC 2.5V (BY IC872) A-Board TPA9 STBY 3.3V (BY A1 CONNECTOR) A-Board TPA16 VOLTAGE 7.5 ± 0.6V 9.0V ± 0.5V 5.0V ± 0.3V 2.5V ± 0.2 3.3V ± 0.2V
