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Samsung website: Link NO LNB voltages (13V of 18V) or NO SIGNAL C13, C18, C19, C21, C23, C24, C27, C29 IC3 Red dot in the picture or no picture C13, C18, C13, C18, C19, C21, C23, C24, C27, C29 4 vertical line in the display C13, C18, of D9 Does not search horizontale channels (18V) C13, C18, C19, C21, C23, C24, C27, C29 No display – Power supply problem D9 (HER303) Q1, R1, IC1, D 3, C13, C18 Q2, Q3, C 13, C18 ![]() Components: Example pdf file 200kb C13 470uF/16V C19 1000uF/10V C18 1000uF/10V C21 220uF/25V C22 100uF/35V C23 47uF/35V C24 47uF/35V C29 47uF/50V Q2, Q3 KSA928A IC3 LM339 Use only capacitors with 105º C (300mA) and life duration from min. 3000 till 5000 hours.
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