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100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : DZ09-036
Date: November 16, 2009
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Model: AVR-4310CI
Subject: Change of the diodes and adjustment of idle current
Countermeasure is applicable only upon claim from the customer.
Symptom: Change of the diodes and adjustment of idle current.
Solution: Modified diodes for the idle current.
MODIFICATION: When you replace the POWER TRANSISTOR's of the targeted
model, please replace all of the diodes on the 8U-110049-1~7 board to those
shown below. Adjust the idle current to 12mV according to instruction in the
Service manual after replacement.
Parts:
Ref # FORMER NEW
Description Part Number Description Part Number
D112, D212, KDR720E 204350014506S KDS160E 201310001503S
D312, D412,
D512, D612
D712
Serial Number Range:
Please apply the above modification to the production models of the following
serial number range. (Full-digits)
***1500001 ~ 9061502540
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