Circuit Description - Sony STR-DE845 Training Manual

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Service manual (78 pages)

Operating instructions manual (62 pages)

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Table Of Contents

Table of Contents

Description: This will exercise the Front Left, Front Right, Center, Left Surround and Right Surround channels.

So, data can be viewed on IC1301/ pin 24 (SOA Front Left/Right), pin 23 (SOB Center/Subwoofer), and pin 22

(SOC Rear Left/Right). Reference Waveforms 5-3, 5-4 and 5-5 for example waveforms on IC1301/pin24, pin 23

and pin 24. Note that the Subwoofer (LFE) is not being exercised. The Subwoofer can be tested using the

YEDS-18 disc (100Hz track). The signal path can now be traced from IC1301, through IC1401, up to IC1503. All

lines should show data activity. The Dolby DVD Demo and Test Disc have several other useful tracks for test

purposes. The description of each track is beyond the scope of this book, but would be very beneficial to

explore.