filter q506 q505 q513, q514 q503 d502 d501 q516 sync pcont power control circuit power control/protection circuit 26 (25) 22 23 18 (19) 20 15 3 6 1 (2) 9 13 14 7 4 21 16 8 5 12(11) 24 switching interface switch dc det switch switch sync switch - + - + - + - + sl(r) sw cin flin(r) subin slin(r) +di sens +vd +vcc hi +vcc low fl_o(r) c_o sub_o sl_o(r) in gnd disp hmut ac in ih det -vcc low -vcc hi -vd -di sens filter filter filter fl(r) c q517 voltage regulator f1 z501 q501, q502 switch dc_det q520 interface switch q511 hp_cnt q515,q519 dcdet switch voltage regulator d597 d598,d599 t501 t502 d508 ac2 ac1 to main block(jk2000) of sa-ht720gcps fl1 fl2 d528 b q512 voltage regulator b b q518 voltage regulator power hic dual low-noise op amp signal lines ic501 RSN311W64B-P jk500 ac inlet rly501 power transformer ic502 c0aabb000055 sub transformer jk502 centre speaker subwoofer jk501 front speaker jk501(jk502) surround speaker q552~q557 fan motor drive l500 ( ) indicates pin no. of right channel note : signal lines are applicable to the left channel only. b b b b b b b : main signal line b b b s500 f2 voltage selector m a e500 www..net
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