HFP0514.PDF part of Sony (Bulletin) D-211 HFP0514.PDF, Confidential Service bulletin hi-Fi product - Symptom: The PWM driver is no longer available. text manual preview

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Sony Service Company National Technical Services A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656

5

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CONFIDENTIAL
Service Bulletin Hi-Fi Products
No.

CSA-13

Model:

D-211

514

Subject: IC 504 (PWM Driver ) No Longer Available. Symptom: (***)

Date: January 30, 1997

The PWM driver is no longer available

Solution:

When replacing the IC, use the chip defined below. Make sure to remove and /or replace the additional components identified. REF FORMER DESCRIPTION IC504 R538 R544 C563 C555 MPC1716FU 1K OHM 1/16W 10K OHM 1/16W 10UF 10V .001UF 50V PART NUMBER 8-759-039-13 1-216-821-11 1-216-833-11 1-135-216-11 1-163-141-00 NEW DESCRIPTION MPC1718FU REMOVE REMOVE REMOVE 820PF CHIP 1-163-139-00 PART NUMBER 8-759-084-72

Reference:
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