HarmanKardon-AVR10-avr-sb3维修电路原理图.pdf

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1、harman/kardon Service Bulletin Service bulletin # 9706 November 1997Warranty labor rate: MINOR repair To:All harman/kardon Service Centers Models: AVR 10/20/25/3250; AVI 100/150/200 Subject: Remote Control has stopped working In the event you receive a complaint about a remote control that has stopp

2、ed working, perform the following tests: 1) Remove the batteries and confirm they are not weak or defective (battery voltage should be 1.4 volts or more). Replace batteries if necessary; both batteries in remote control should be replaced. 2) Point the remote towards the corresponding receiver/ampli

3、fier and confirm the remote control functions operate as intended. 3) If Remote Control still doesn t work: Remove batteries, and with an alligator clip lead or other jumper wire, short the positive and negative tabs inside the control together. (See drawing) This short will drain any remaining char

4、ge from the capacitors in the remote control and re-set the microprocessor. 4) Re-insert batteries and test the functions as per item (2) above. NOTE: This procedure may also work for other h/k model remote controls not listed above. harman/kardon Incorporated 80 Crossways Park West, Woodbury New York 11797 (516) 496-3400 RadioFans.CN 收音机爱 好者资料库