Harman Kardon哈曼卡顿AVR8000功放维修手册

发布时间:2015-09-12 11:01:59  来源:   录入:   

功放电路图,dvd,调音台,维修图纸,收音头,胆机

Harman Kardon哈曼卡顿AVR8000功放维修手册 ,包含结构图,电路图,印刷电路板图,零部件清单,共计242页 本音响维修手册为电子版----------------minimum (full CCW), for five minutes to stabilize the amplifiers. 6) Remove cover again. Plug in the two pin harness plug at first test point and connect to DMM set on the mV scale. Check and adjust AC line voltage to 120 volts again if necessary. Using a non-metallic screwdriver, adjust each of the idle current pots, one at a time, in the following manner: The final desired voltage at each test point is 10.5 mV, but you should arrive at this voltage by reducing a higher amount in5% increments with each adjustment, with the final adjustment set at 10.5 mV. This adjustment shouldbe made gradually in steps, so the amplifiers will have time to stabilize. Repeat this procedure at leastthree additional times, each time replacing the top cover (no screws necessary), and letting unit idle
turned ON for at least five minutes between each adjustment. Monitor the AC line voltage and adjust to
120 volts when necessary.) If a wattmeter is available, total wattage drawn from line should be 165 to 170 watts at idle.8) Replace the top cover and screws after the final adjustment.

大小:22.39 MB

格式:PDF

语言:英文 English  Service Manual

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30点

所有页面上的电路图真实有效,敬请放心下载。
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您有求图纸请在此留言。      QQ咨询:Contact Sales Contact Sales  或微信

阅读工具:PDF阅读软件 ⊙电路图解压密码:www.838dz.com (小写)

功放配件常用的有功放管(三极管),二极管,电阻,电容,集成电路,变压器,继电器,电位器,常见故障:不开机,自动关机/开机保护/电路保护,失真,杂音,音轻。音量失控,内部直观看有冒烟,发烫,炸裂。

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