NAD-T550-cd-sh10101 电路图 维修手册.pdf

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1、PAGE 1-01-01 Service Hint T550 The following solutions have been found in the field and may be helpful when servicing the T550. The software wont load into the T550. Look at IC07, pin 3 for cold solder, resoldering this pin or other pins may solve this problem. The T550 wont respond to front panel k

2、eyboard or remote commands, intermittently. Try replacing the crystal on the front panel board, marked X901 4.19 MHz. Also try resoldering the microprocessor on the front panel board IC91. Contact: NAD Electronics International 633 Granite Court Pickering, ON Canada L1K 3K1 Voice: 905-831-0799 FAX 905-837-6357 NADwww.NAD RadioFans.CN 收音机爱 好者资料库