While the TV is on, short the "Service" pins on the PCB or use a combination like while plugging in the power cord. Channel +/- buttons to navigate and Volume +/- to change values. Where to Download the Schematic While we cannot host the file directly, you can find the Sharp 14R20B Schematic (PDF)
Periksa kapasitor resonansi di area horizontal dan cek nilai resistor pembatas di sekitar Flyback. skema tv sharp qbeat 14r20b
Cek sekring dan transistor regulator atau IC STR. Pastikan tegangan B+ (sekitar 115V) keluar dengan stabil. While the TV is on, short the "Service"
Dalam skema TV ini, ada tiga blok utama yang harus diperhatikan saat melakukan pengecekan: While the TV is on