HarmanKardon-AVR5550-avr-sm维修电路原理图.pdf

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1、AVR 5550Audio/VideoReceiver SERVICE MANUAL AVR 5550 ready LOGIC 7 VMAx Power for the Digital Revolution RadioFans.CN TECHNICAL SPECIFICATIONS Technical Specifications Audio Section Stereo Mode Continuous Average Power (FTC) 85 Watts per channel, 20Hz20kHz, 0.07% THD, both channels driven into 8 ohms

2、 5/7 Channel Surround Modes Power Per Individual Channel Front L&R channels: 70 Watts per channel, 0.07% THD, 20Hz20kHz into 8 ohms Center channel: 70 Watts, 0.07% THD, 20Hz20kHz into 8 ohms Surround (L & R Side, L & R Back) channels: 70 Watts per channel, use RV71, set P401 as 23mV +2mV/- 1mV. Surr

3、 Left use RV73 then set P303 as 23mV +2mv/-1mV. Front Right use RV72 make P402 to 23mV +2mV/-1mV. Surr Right use RV73 then make P303 to 23mV +2mV/-1mV. P401 FRONT L-CHP303 SURROUND L-CH RV71 FRONT L-CHRV73 SURROUND L-CH P402 FRONT R-CHP304 SURROUND R-CH RV72 FRONT R-CHRV74 SURROUND R-CH 2. BACK SURR

4、OUND BD : 5 Min. After power on, please set up Bias as below, SBL use VR31 then set P301 as 23mV +2mv/-1mV. Center use VR41 make P401 to 23mV +2mV/-1mV. SBR use VR51 then make P501 to 25mV +2mV/-1mV. P301 VR31 BACK SURROUND L-CHP401 VR41 CENTER-CH P501 VR51 BACK SURROUND R-CH avr525_FRONT-MP.sch-1 - Tue Oct 01 12:06:27 2002 avr525_VIDEO_MP.sch-1 - Tue Oct 01 12:04:43 2002