SOURCE: 21v-l70m
sorry bat you heve need the asistence califications your problems,needs oscilografition/time
SOURCE: SCHEMATIC DIAGRAM OF TV SHARP MODEL NO.14V-L70M IC
check the screen voltage g2 is approx 300vdc to 360vdc,over supply voltage on g2 (screen voltage can cause power to shut down automatically.
SOURCE: how to fix sharp crt tv model 14v-l70m,standby red lights only and will not power on
These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.
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