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Yamaha RX-V357 Service Manual

Yamaha RX-V357
70 pages
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SERVICE MANUAL
100938
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 ...................................... 2~3
IMPEDANCE SELECTOR ............................................. 3
FRONT PANELS ........................................................ 3~4
REAR PANELS .......................................................... 5~9
REMOTE CONTROL PANELS ...................................... 9
SPECIFICATIONS.................................................. 10~13
INTERNAL VIEW ......................................................... 14
DISASSEMBLY PROCEDURES ........................... 14~16
SELF DIAGNOSIS FUNCTION (DIAG) ................. 17~33
CONFIRMATION OF IDLING CURRENT ................... 34
DISPLAY DATA ..................................................... 35~36
IC DATA ................................................................. 37~42
PRINTED CIRCUIT BOARD .................................. 43~51
PIN CONNECTION DIAGRAM .................................... 52
BLOCK DIAGRAM ....................................................... 53
SCHEMATIC DIAGRAM ........................................ 54~58
PARTS LIST ........................................................... 59~67
REMOTE CONTROL.............................................. 68~69
Parts List for Carbon Resistors ................................ 69
AV RECEIVER
RX-V357/HTR-5830
RX-V357/HTR-5830
P.O.Box 1, Hamamatsu, Japan
'05.01
本资料由OKXIA视听皮带资源库www.okxia.cn提供

Table of Contents

Other manuals for Yamaha RX-V357

Questions and Answers:

Yamaha RX-V357 Specifications

General IconGeneral
Signal-To-Noise Ratio100 dB
Input Sensitivity200 mV
Tuner BandsAM/FM
Preset Station Qty40
Frequency Response10Hz - 100kHz
Outputs1 x headphones, 1 x subwoofer output
Input Impedance47 kohms
Audio D/A Converter24-bit / 192kHz
Built-in DecodersDolby Digital, DTS
Surround Sound EffectsDolby Pro Logic II
Sound EffectsCinema DSP
Tuning RangeAM: 530 - 1710 kHz, FM: 87.5 - 108 MHz
Power Output100 Watt

Summary

Important Safety and Service Notice

TO SERVICE PERSONNEL

Leakage Current Measurement

Verifying insulation of exposed surfaces from supply circuits.

Chemical Content Notice

Warning about lead and other chemicals in product components.

FRONT PANELS

REAR PANELS

REMOTE CONTROL PANELS

SPECIFICATIONS

Audio Section Specifications

Technical audio performance details including output power, distortion, and noise ratio.

Resetting and Configuration

Factory Preset Reset Procedure

Procedure to reset all parameters to factory default settings.

DISASSEMBLY PROCEDURES

Top Cover and Front Panel Removal

Step-by-step guide to remove the unit's top cover and front panel.

Main PCB and Tuner Removal

Procedure for removing main PCBs and the tuner module.

DSP PCB Removal

Steps to remove the Digital Signal Processor Printed Circuit Board.

Other PCB Removal and Checking

Procedures for removing remaining PCBs and checking during assembly.

SELF DIAGNOSIS FUNCTION (DIAG)

DIAG Menu Overview

Table listing diagnostic menu items and their sub-options.

Diagnostic Menu Details

Detailed list of diagnostic menus and their functions.

DIAG Operation and Protection Modes

Starting and Canceling DIAG

Procedure to initiate, cancel diagnostic mode, and reset.

DIAG Display and Protection Cancel Mode

Information shown during DIAG and how to start with protection disabled.

DIAG Operation Details

Protection Function History and Clearing

Information on stored protection function history and how it's cleared.

Details of DIAG Menu: DSP THROUGH

ANALOG BYPASS Mode

Outputs L/R signal directly without DSP processing.

YSS Presence 0dB Mode

Outputs Presence CH signal with head margin at Front CH.

YSS 0dB Mode

Outputs signal with head margin, specifying values per channel.

YSS FULL BIT Mode

Outputs digital signal in full bit, excluding head margin.

Details of DIAG Menu: RAM THROUGH

RAM 0dB Mode

Outputs CT signal via Sub DSP DRAM for YSS938.

Details of DIAG Menu: PRO LOGIC

PRO LOGIC I and II Modes

Processes Pro-Logic signals, outputting C/SL/SR via Sub DSP.

Details of DIAG Menu: SPEAKERS SET

Speaker Setup Options

Options for speaker size (Large/Small/None) and bass management.

Details of DIAG Menu: HP TEST & OTHER INPUT

Details of DIAG Menu: DISPLAY CHECK & MANUAL TEST

Details of DIAG Menu: FACTORY PRESET

Details of DIAG Menu: AD DATA CHECK/FAN TEST

DC/PS Protection Detection Values

Displays DC and power supply voltage protection values.

Details of DIAG Menu: IF STATUS

Details of DIAG Menu: IF STATUS (Continued)

Details of DIAG Menu: SD DL CODE & SOFT SWITCH

CONFIRMATION OF IDLING CURRENT

Idling Current Measurement Procedure

Procedure to check voltage across specific terminals on the MAIN (1) P.C.B.

IC DATA

IC242 Main CPU Pinout

Detailed pinout and function description for IC242, the main CPU.

IC Data: YSS938 (DSP P.C.B.)

YSS938 Pinout and Interface Details

Pinout diagram and interface details for the YSS938 DSP chip.

YSS938 Pin Function List

Detailed list of YSS938 pin functions and their I/O types.

YSS938 Pin Function List Continued

Continuation of the YSS938 pin function list.

YSS938 Pin Function List Final

Final part of the YSS938 pin function list.

PIN CONNECTION DIAGRAM

BLOCK DIAGRAM

System Block Diagram

High-level block diagram illustrating signal flow and main components.

SCHEMATIC DIAGRAM (DSP)

DSP Section Schematic

Detailed schematic of the DSP section, including DRAM and CODEC.

SCHEMATIC DIAGRAM (FUNCTION 1/2)

SCHEMATIC DIAGRAM (FUNCTION 2/2)

SCHEMATIC DIAGRAM (MAIN 1/2)

MAIN Power Section Schematic

Schematic for the power amplifier and relay sections of MAIN (1) PCB.

SCHEMATIC DIAGRAM (MAIN 2/2)

Micro Computer and Input Selector Schematics

Schematics for the microcomputer control and input selector.

REMOTE CONTROL SCHEMATIC DIAGRAM

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