Sony HFP0341 free download

File name HFP0341.PDF

CONFIDENTIAL CSA-13 Sony Service Company National Technical Services Service Bulletin A Division of Sony Electronics Inc. Park Ridge, New Jersey 07656 Hi-Fi Products Model: TA-AV521, TA-AV621 No. 341R1 Subject: Audio Cuts Out, Unit In Protect - R807 & R857 Date: August 9, 1996 Symptom: (51) When operating in the SIMULATED or HALL SURROUND MODE, the Rear level is set to 50% maximum level or greater and the Master Volume is turned up, the unit goes into protect. Solution: Verify that the unit is being operated with speakers rated at 8 ohms. If the unit goes into protect with 8 ohm speakers then replace resistors R807 (Rear Board) and R857 (Center Board) with the resistors shown in the chart below. REF FORMER NEW DESCRIPTION PART NUMBER DESCRIPTION PART NUMBER R807 220 OHM, 5%, 1-249-409-11 560 OHM, 5%, 1-249-414-11 1/4W 1/4W R857 220 OHM, 5%, 1-249-409-11 220 OHM, 5%, 1-249-414-11 1/4W 1/4W Reference: FPR- O1105 PRINTED IN USA PRINTED ON RECYCLED PAPER