| LG | CF25A50F | Field mod when FOPTr has blown | Fit TDA8350Q & use heatsink compound as well as the grey thermal transfer pad between the chip & the heatsink. Change C352 to 22mfd (was 47mfd) 50 volts Change C708 to 22mfd (was 47mfd) 100volts . This is located to the left of the LOPT on the 45 volts rail. Change FR359 to 22ohms half watt fuse resistor (was 10 ohms) This is also located to the left of the LOPT on the 45 volts.
rail. Add a 0.01 mfd cap on pins 8 & 9 of the frame chip & 0.1mfd between pins 7 & 8 (both 100volts) | 14-09-04 |