sentiger 发表于 2014-7-27 12:46
你好,06年的时候我买的HGF300的【防KRELL KSA 100】第五版的板子,一直没装,以前的电脑硬盘也坏了。今天偶 ...
HGF300(4.0)功放材料表 2006/4/21 编号 | | | | | | | | | | | | | | | | | | | | | | | | | | | | Q13,Q15,Q17,Q19,Q21,Q23,Q24,Q26 | | | | | | Q10,Q14,Q16,Q18,Q20,Q22,Q25,Q27 | | | | 2SD669 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | R12,R24,R30,R57,R58,R68,R69,R91,R95,R109, | | | | | | R16,R37,R38,R74,R77,R103,1R1,2R1 | | | | | | R14,R34,R36,R44,R47,R67,R72,R76,R84,R105, | | | | | | R28,R32,R39,R41,R56,R62,R73,R78,R87,R89 | | | | | | | | | | | | | | | | | | R10,R11,R13,R15,R45,R46,R54,R55,R60,R61,R65,R66,R104,R106,R107,R108 | | | | | | R40,R42,R48,R49,R75,R79,R80,R81 | | | | | | R4,R6,R8,R17,R19,R20,R96,R98,R99, R113,R115,R117 | | | | | | | | | | | | R1,R2,R3,R5,R7,R9,R110,R111,R112,R114,R116,R118 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | C3,C7,C8,C9,C12,C25,C26,C27,C28,C36,C37,C38 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 本功放供电电压为双AC38V 保护电路供电AC8-12V | 简明的装机提示:请按清料清插焊好所有元件.(最好检查几遍,很多人装机出的问题就是插错了元件).通电之前一定要用万用表检查功率管和散散片之的绝缘.如有短路的话;管子通电后有多少就烧多少.检查无误后通电试机.先查输出端的对地电压.用一字小起子调整VR2,VR3使中点电位尽量最低.(如<30mV);调好中点后再调整静态电流.用量R1两端的电压.调整VR1/VR4使R1两端的电压到合适的位置.静态电流I=U/R. 如要300mA.R1两端的电压就是.0.3AX0.47欧=0.141V.调好静态电流后再量量中点电位.如有变化再调回来.等机子工作一段时间稳定后.再调调就行. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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