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DIGITAL HOME THEATER SYSTEM YHT-170

YHT-170 consists of the HTR-5920 and the NS-P170.

This service manual is for the HTR-5920.

For the NS-P170 service manual, please refer to the following publication number:

This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel.

It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already

known and understood by the users, and have therefore not been restated.

WARNING:

IMPORTANT:

The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and

service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable

and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please

contact the distributor's Service Division.

WARNING:

IMPORTANT:

I CONTENTS

TO SERVICE PERSONNEL .......................................... 2

FRONT PANEL .............................................................. 2

REAR PANEL ................................................................ 3

REMOTE CONTROL PANEL ........................................ 3

SPECIFICATIONS ...................................................... 4-6

INTERNAL VIEW ........................................................... 6

DISASSEMBLY PROCEDURES ............................... 7-9

MAINTENANCE FLOW CHART ............................ 10-17

1 0 1 0 0 1

HTR-5920

SERVICE MANUAL

NS-P170

101002

IMPORTANT NOTICE

Failure to follow appropriate service and safety procedures when servicing this product may result in personal

injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons,

we advise all YAMAHA product owners that any service required should be performed by an authorized

YAMAHA Retailer or the appointed service representative.

The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or

recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form.

Static discharges can destroy expensive components. Discharge any static electricity your body may have

accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss).

Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.

DISPLAY DATA ..................................................... 18-19

IC DATA ................................................................. 20-22

PIN CONNECTION DIAGRAMS ............................ 23-24

BLOCK DIAGRAM ....................................................... 25

PRINTED CIRCUIT BOARDS ................................ 26-30

SCHEMATIC DIAGRAMS ...................................... 31-34

REPLACEMENT PARTS LIST .............................. 35-37

REMOTE CONTROL .................................................... 38

2006

This manual is copyrighted by YAMAHA and may not be copied or

redistributed either in print or electronically without permission.

AV RECEIVER

P.O.Box 1, Hamamatsu, Japan

'06.03