HarmanKardon-AVR430-avr-sm2维修电路原理图.pdf

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1、AVR 430Audio/VideoReceiverSERVICE MANUALPower for the Digital RevolutionRadioFans.CN 收音机爱 好者资料库TECHNICAL SPECIFICATIONS Technical SpecificationsAudio SectionStereo Mode Continuous Average Power (FTC)80 Watts per channel, 20Hz20kHz, 0.07% THD, both channels driven into 8 ohms5/7 Channel Surround Mode

2、s Power Per Individual ChannelFront L&R channels:65 Watts per channel, 0.07% THD, 20Hz20kHz into 8 ohmsCenter channel:65 Watts, 0.07% THD, 20Hz20kHz into 8 ohmsSurround (L & R Side, L & R Back) channels:65 Watts per channel, use VR71, set P801 as 23mV +2mV/- 1mV. Surr Left use VR73 then set P803 as

3、23mV +2mv/-1mV. Front Right use VR72 make P802 to 23mV +2mV/-1mV. Surr Right use VR73 then make P804 to 23mV +2mV/-1mV.P801 FRONT L-CHP803 SURROUND L-CHVR71 FRONT L-CHVR73 SURROUND L-CHP804 SURROUND R-CHP802 FRONT R-CHVR74 SURROUND R-CHVR72 FRONT R-CH2. BACK SURROUND BD : 5 Min. After power on, plea

4、se set up Bias as below, SBL use VR31 then set P301 as 23mV +2mv/-1mV. Center use VR32 make P308 to 23mV +2mV/-1mV. SBR use VR51 then make P309 to 23mV +2mV/-1mV.P301 VR31 BACK SURROUND L-CHP308 VR32 CENTER-CHP309 VR51 BACK SURROUND R-CHHARMAN/KARDONHARMAN/KARDONHARMAN/KARDONDSP 1/2HARMAN/KARDONDSP 2/2HARMAN/KARDONHARMAN/KARDONHARMAN/KARDONVIDEO 1/2HARMAN/KARDONVIDEO 2/2HARMAN/KARDONProcessor (analog input )HARMAN/KARDONHARMAN/KARDONHARMAN/KARDONHARMAN/KARDONNOTE: No parts avaiable use complete tuner modulHARMAN/KARDON