Power Amplifier and SMPS circuit
diagram – LG LHT3039X – LG LHT3530X
Used ICs - STR W6263 – STR A6252 – STA518/515 – PS9830B
OUTPUT POWER
Front - 45W + 45W (Rated Output Power 30W, THD 10%)
Center - 45W
Surround - 45W + 45W (Rated Output Power 30W, 4 Ωat 1 kHz, THD 10%)
Subwoofer - 75W (Rated Output Power 60W, 8 Ωat 30 Hz, THD 10%)
Center - 45W
Surround - 45W + 45W (Rated Output Power 30W, 4 Ωat 1 kHz, THD 10%)
Subwoofer - 75W (Rated Output Power 60W, 8 Ωat 30 Hz, THD 10%)
SMPS SCHEMATIC and PWB
POWER AMP - SCHEMATIC
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