100 Corporate Drive Mahwah, NJ 07430
Service Bulletin
No. : OST-621
Date: April 27, 2007
_____________________________________________________________
Model: AVR-1601, AVR-1801
Subject: Resistors open.
Symptom: When the Power is turned on, resistors R141 and R142 in the
Power Supply Circuit on the MAIN Unit can fail due to in-rush current which will cause the Protect circuit to engage.
Solution: Replace the resistors R141 an R142 with the improved resistors listed below.
Parts:
Ref # |
FORMER |
|
NEW |
|
|
|
Description |
|
Part |
Description |
Part |
|
|
|
Number |
|
Number |
R141, |
RS14B2E1R0JNBST |
|
963 9003 |
RS14B3AR22JNBST |
244 2043 |
R142 |
(1/4W, 1Ω) |
|
039 |
(S)(IW, 0.22 Ω) |
982 |
Serial Number Range:
Replace upon customer claim.
______________________________________________________________________________________
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