Counterpoint-SA100-pwr-sch维修电路原理图.pdf
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Counterpoint-SA100-pwr-sch维修电路原理图.pdf
Date: July 23, 1999 Sheetof Size Document NumberREV Ccp_sa100.SCH Title CounterPoint SA100 - stadio pilota mosfet Federico Paoletti +53 Q? CPT10N12 Q? CPT10N12Aggiunte res. da 0.22 e messi IRF Iq=100mA/device F? 5A fast R? 0.22 R? 0.22 (Rsource used in case of IRFxxx) R? 422 R? 422 D? 1N4740 K? Ritardo R13 100k R14 100k D60 1N5365 36V5W C? 1u/63VL +40 +3.9 (3.5/6.9) D? 1N4740 10V1W R62 470 2W R62 e R63 sono state aumentate a 600 (2x1200 in parallelo) V2b ECC88 R9 127 R11 51.1 6mA 6 7 8 C3 1u 250VL WIMA MKP10 C? 10n C60 10u/50VL R17 100k +8 R53 499 C55 33u/350VL HT +300/325 D63 170V R4 100k R8 100k C? 1u 250VL WIMA MKP10 +192/+102 1mA/2mA1mA +221/+235 C56 33u/350VL Tutti i polipropilene da 1u e 0.47u (C2, C3, C4, etc.) sono stati portati da 250 a 400 VL) J? IN VR3 2k R2 2k21 V1b ECC88 R5 127 V1a ECC88 R7 8k84 R1 100k R20 681 R6 1M +7.56 7 8 1 2 3 Cp 3p Mica Argentata C2 0.47u 210VL WonderCAP Gain ADJ. (30 to 38 dB) +6.5/+3.2 VR3 sostituito con 681 1% in tal caso Gain=33dB (0.7Vin=100Wout) V2a ECC88 R80 1k +6 1 2 3 C80 820p C4 1u 250VL WIMA MKP10 C? 10n C61 10u/50VL R18 100k R16 100k -8 +223/+237 offset VR2 50k Iq La risp. all onda quadra migliora molto se si toglie C80 R? 165 R? 165 D? 1N4740 D? 1N4740 Q? NPN VR1 25k R61 23k7 R60 5k11 R15 100k D61 1N5365 36V5W C? 1u/63VL -40 -3.9 (-4.4/-0.4) R63 470 2W marr. aranc. rosso -53 Q? CPT10P12 Q? CPT10P12 F? 6A? OUT La vite sullo stampato si puo togliere di sopra, il dado e saldato sotto F? 5A fast R? 0.22 R? 0.22 CPT10P12 e CPT10N12 i finali sono Harris marchiati (probabilmente IRF9230 il P e IRF230R il N) secondario in comune poi ogni canale il suo ponte ed i suoi cond. el. C51 6800u/10VL C52 6800u/10VL R51 15W Fil.Fil. 37Vca ?A 37Vca ?A 8Vca 2.2A pacco da 200/250VA Ass. a riposo 73VA Ass. a max out nominale 450VA D? BRIDGE Primary fuse = 6A slow 250Vca 30mA D? BRIDGE R52 2k7/5W HT C53 33u/350VL C54 33u/350VL +350 RadioFans.CN 收音机爱 好者资料库
