Onkyo-DTR5.4-avr-sb维修电路原理图.pdf
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Onkyo-DTR5.4-avr-sb维修电路原理图.pdf
Service Bulletin 04004 6/21/04 MODELS : DTR-6.4,DTR-5.4 SUBJECT : The contents of memory return to the initial value or the control keys cannot operate. Symptom: The contents of memory return to the initial setting or the control keys cannot operate.(In this case, please pull out and re-supply a power cord at once (reset microprocessor), and confirm whether the contents of a memory have disappeared.) Cause: Noise may join on the line of a clock and data from main microprocessor to a sub microprocessor, and a product may become the symptom above. Procedure for service: Replace the filters of R7095 and R7096 on the DSP printed Circuit Board NADG-7952. Replace with new part number 230955R2. CIRCUIT NO. PART NAME SPEC. AFTER CHANGE NEW PART NO. AFTER CHANGE SPEC. BEFORE CHANGE ORIGINAL PART NO. BEFORE CHANGE R7095,R7096 EMI FILTERBK1608HS102-T230955R2BK1608LM182-T230958R1 RadioFans.CN 收音机爱 好者资料库
