Yamaha HTR-5920 - User Manual

SERVICE MANUAL
101001
IMPORTANT NOTICE
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: 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.
IMPORTANT: 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.
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: 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).
IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.
■ 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
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
DIGITAL HOME THEATER SYSTEM YHT-170
AV RECEIVER
HTR-5920
P.O.Box 1, Hamamatsu, Japan
2006 All rights reserved.
This manual is copyrighted by YAMAHA and may not be copied or
redistributed either in print or electronically without permission.
HTR-5920
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:
NS-P170 101002
'06.03

Summary

TO SERVICE PERSONNEL

Service Personnel Guidelines

Guidelines and warnings for authorized service personnel.

SYSTEM SPECIFICATIONS

Audio Specifications

DISASSEMBLY PROCEDURES

Top Cover Removal Steps

Front Panel Unit Removal Steps

REAR PANEL AND TUNER MODULE REMOVAL

PRINTED CIRCUIT BOARD REMOVAL PROCEDURES

Input and AMP (4) PCB Removal

AMP (1) PCB Removal

MAINTENANCE FLOW CHART

Front PCB Troubleshooting (Part 1)

Initial troubleshooting steps for the front printed circuit board.

Front PCB Troubleshooting (Part 2)

Continuation of troubleshooting steps for the front printed circuit board.

Front PCB Troubleshooting (Part 3)

Final troubleshooting steps for the front printed circuit board.

INPUT PCB TROUBLESHOOTING GUIDE

Input PCB Troubleshooting (Part 1)

Troubleshooting steps for the analog part of the input printed circuit board.

Input PCB Troubleshooting (Part 2)

Troubleshooting steps for the digital part of the input printed circuit board.

Input PCB Troubleshooting (Part 3)

Final troubleshooting steps for the input printed circuit board.

AMPLIFIER PCB TROUBLESHOOTING GUIDE

Amplifier PCB Troubleshooting (Part 1)

Troubleshooting steps for the amplifier printed circuit board.

Amplifier PCB Troubleshooting (Part 2)

Final troubleshooting steps for the amplifier printed circuit board.

DISPLAY DATA AND CONNECTION INFORMATION

INTEGRATED CIRCUIT DATA

Microprocessor IC Data (IC81)

Pin configuration and function details for the main microprocessor.

PIN CONNECTION DIAGRAMS

SYSTEM BLOCK DIAGRAM

PRINTED CIRCUIT BOARD LAYOUTS

Input PCB Layout (Side A)

Input PCB Layout (Side B)

Amplifier (1) PCB Layout (Side A)

SCHEMATIC DIAGRAMS: INPUT SECTION

Input Schematic (Part 1)

Input Schematic (Part 2)

SCHEMATIC DIAGRAMS: AMPLIFIER SECTION

SCHEMATIC DIAGRAMS: FRONT SECTION

REPLACEMENT PARTS LIST

Electrical Component Parts Details

Detailed list of electronic components, abbreviations, and their specifications.

OVERALL ASSEMBLY DIAGRAM

REMOTE CONTROL INFORMATION

Yamaha HTR-5920 Specifications

General

Channels	5.1
Total Harmonic Distortion (THD)	0.06%
Input Sensitivity	200 mV
Signal-to-Noise Ratio	100 dB
Input Impedance	47 kΩ
Audio D/A Converter	24-bit/192 kHz
Built-in Decoders	Dolby Digital, DTS
Sound Effects	Yes
Tuner Type	FM/AM
Digital Audio Inputs	Optical: 2, Coaxial: 1
Frequency Response	10 Hz - 100 kHz
Tuning Range	FM: 87.5 - 108 MHz, AM: 530 - 1710 kHz
Preset Station Qty	40
Connector Type	RCA
Video Inputs/Outputs	Composite, S-Video, Component
Power Output	100 Watts per channel (8 Ohms, 20 Hz - 20 kHz, 0.06% THD)