NAD-T762-avr-si1 维修电路原理图.pdf
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NAD-T762-avr-si1 维修电路原理图.pdf
Service Information T762 Circuit Change (Revised)PROBLEM: You may have the complaint, receiver turns on and the front paneldisplay shows the message “OVERHEAT.CAUSE: A screw on the power amplifier circuit board is loose causing a poorground and triggering a false “overheat” condition.SOLUTION: PART A:Looking from the front of the unit, locate and tighten the screw on theamplifier board which is on the right hand side of the power amp module.- 2 -RadioFans.CN 收音机爱 好者资料库PART B: Add a ground wire connecting the thermal switch (ground pin),and the mounting pin of S351 in TRIGGER PCB.Note: This modification has been implemented in production andonly a very small number of early production units are at risk forthis fault.Contact:NAD Electronics International633 Granite CourtPickering, ON Canada L1K 3K1Voice: 905-831-0799 FAX 905-837-6357 02/13/03RadioFans.CN 收音机爱 好者资料库
