HP 7540 17 inch CRT monitor Circuit Daigram
Used ICs - STR-G5643D – NT6865UG – STV9118 – LM1246 – LM 1248 – M1237BDKE - LM2470TA – STV9302A – 79A774-1 [LOT] – 2SC5929 [HOT Transistor] Maintain interconnecting ground lead connections between chassis and picture tube dag when operating chassis. Certain HV failures can increase X-ray radiation. Monitor should not be operated with HV levels exceeding the specified rating for the chassis type. The maximum operating HV specified for the chassis used in this monitor is 24.8KV ± 1KV with a line voltage of 120/240 VAC. Higher voltage may also increase possibility of failure in HV supply. It is important to maintain specified values of all components in the horizontal and high voltage circuits and anywhere else in the monitor that could cause a rise in high voltage or operating supply voltages. No changes should be made to the original design of the monitor. Components shown in the shaded areas on the schematic should be replaced with exact factory replacement parts. The ...