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Yamaha RX-V1500 Service Manual

Yamaha RX-V1500
125 pages
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SERVICE MANUAL
100919
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.
P.O.Box 1, Hamamatsu, Japan
CONTENTS
TO SERVICE PERSONNEL .......................................... 2
FRONT PANELS ........................................................ 3~4
REAR PANELS .......................................................... 4~7
REMOTE CONTROL...................................................... 7
SPECIFICATIONS.................................................... 8~11
INTERNAL VIEW ......................................................... 12
DISASSEMBLY PROCEDURES/分解手順 ......... 13~16
UPDATING FIRMWARE/
ファームウェアの書き込み..................................... 17~18
SELF DIAGNOSIS FUNCTION (DIAG)/
自己診断機能(ダイアグ)..................................... 19~43
AMP ADJUSTMENT/アンプ部調整 ..................... 44~45
DISPLAY DATA ..................................................... 46~47
IC DATA ................................................................. 48~57
BLOCK DIAGRAM ................................................. 58~59
PRINTED CIRCUIT BOARD .................................. 60~74
PIN CONNECTION DIAGRAM .............................. 75~76
SCHEMATIC DIAGRAM ........................................ 77~85
PARTS LIST ......................................................... 87~123
REMOTE CONTROL.......................................... 124~125
AV RECEIVER/AV AMPLIFIER
RX-V1500/DSP-AX1500
RX-V1500/
DSP-AX1500
'04.09

Table of Contents

Other manuals for Yamaha RX-V1500

Questions and Answers:

Yamaha RX-V1500 Specifications

General IconGeneral
TypeAV Receiver
Amplifier TypeDiscrete
Channels7.1
Input Sensitivity200 mV/47 kOhms
Signal-to-Noise Ratio100 dB
HDMI Inputs6
Component Video Inputs3
Component Video Outputs1
Digital Audio Inputs3 Optical, 2 Coaxial
Digital Audio Outputs1 Optical
Surround Sound FormatsDolby Digital, DTS, Dolby Pro Logic II
Dimensions17.1 x 6.3 x 15.4 in
Weight27.6 lbs
Frequency Response10 Hz - 100 kHz
Total Harmonic Distortion0.04%
Power Output110W per channel (8 ohms, 20Hz-20kHz, 0.04% THD)
Dimensions (W x H x D)17.13 x 6.75 x 17 inches

Summary

IMPORTANT NOTICE

TO SERVICE PERSONNEL

Leakage Current Measurement (For 120V Models Only)

Verification of exposed conductive surfaces after service for safety.

SPECIFICATIONS / 参考仕様

Audio Section / オーディオ部

Detailed audio performance specifications and parameters.

General / 総合

Power Supply / 電源電圧

Details on power supply voltage and frequency requirements by model.

Set Menu Table / セットメニュー

MANUAL SETUP 1 BASIC MENU

Basic speaker setup parameters and their ranges.

INPUT MENU

I/O ASSIGNMENT

Assigning input signals to specific connectors.

DISASSEMBLY PROCEDURES / 分解手順

Removal of Top Cover

Instructions for removing the top cover of the unit.

Removal of Front Panel

Instructions for removing the front panel of the unit.

Removal of Sub Chassis

Procedure for removing the sub chassis assembly.

Removal of DSP P.C.B.

Instructions for removing the DSP Printed Circuit Board.

Removal of Amp Unit

UPDATING FIRMWARE / ファームウェアの書き込み

Equipment required

Lists necessary hardware and software for firmware updates.

Preparations

Steps to prepare the PC and software for firmware update.

Firmware updating procedure

Step-by-step guide for connecting hardware for firmware updates.

After executing the firmware loading program, select the program type and port settings as follows:

Turn on the power to the unit.

To connect the line, click the CONNECT button or the COM menu, then click the CONNECT.

Click the File Change button and then select the file to be loaded.

CAUTION!

SELF DIAGNOSIS FUNCTION (DIAG)/自己診断機能(ダイアグ)

No DIAG menu sub-menu

Table listing DIAG menu items and their sub-menus.

No DIAG menu sub-menu

Starting DIAG

Starting DIAG in the protection cancel mode

Canceling DIAG

Display provided when DIAG started

When there is no history of protection function

How the display shows when no protection history is found.

When there is a history of protection function

How the display shows when protection history exists.

Cause: An excessive current flowed through the power amplifier.

Cause: The voltage in the power supply section is abnormal.

Cause: DC output of the power amplifier is abnormal.

Cause: The temperature of the heat sink is excessive.

Operation procedure of DIAG menu and SUB-MENU

Functions in DIAG mode

Details of DIAG menu

1. DA601-YSS930

Details of the DA601-YSS930 diagnostic menu item.

YSS 0dB

Describes the YSS 0dB output characteristic.

YSS FULL BIT

Describes the YSS FULL BIT output characteristic.

2. BYPASS

ANALOG BYPASS

Details the analog bypass function within the diagnostic menu.

DSP BYPASS

Details the DSP bypass function within the diagnostic menu.

3. RAM THROUGH

FRONT ATT

Details the front attenuation setting.

RAM 0dB

Details the RAM 0dB setting.

4. PRO LOGIC / NEO6

PRO LOGIC I

Details the PRO LOGIC I setting.

PRO LOGIC II

Details the PRO LOGIC II setting.

Neo:6

Details the Neo:6 setting.

5. SPEAKERS SET

LARGE

Explanation of the 'LARGE' speaker setting.

SMALL

Explanation of the 'SMALL' speaker setting.

NONE

Explanation of the 'NONE' speaker setting.

6. EXTERNAL INPUT

7. MIC CHECK

8. EFFECT OFF / DISPLAY CHECK

9. MANUAL TEST

10. RS-232C

TxD/RxD DATA

Checks the transmission of test data via RS-232C.

HARD FLOW

Checks the operation of the hardware flow port.

11. FACTORY PRESET

PRESET INHIBIT (Initialization inhibited)

Prevents RAM initialization, preserving user settings.

PRESET RESERVED (Initialization reserved)

Reserves RAM initialization for factory reset or original settings.

CAUTION:

Caution before setting PRESET RESERVED to write down existing data.

12. AD DATA CHECK / FAN TEST

DC/PS (protection detection)

Displays DC and power supply protection values.

THM/FAN OUT (temperature detection/fan drive level)

Displays temperature detection and fan drive level.

IMP SW/POWER LIMIT (Impedance/power limiter detection)

K0/K1 (Panel key of main unit)

13. V CONV STATUS

LOW BYTE DATA

Shows TA1270 status information in binary notation.

14. IF STATUS (Input function status)

15. DSP RAM CHECK

YSS930 Bus Check

Performs a bus check for YSS930.

17. SOFT SW

18. MICROPROCESSOR INFORMATION

AMP ADJUSTMENT / アンプ部調整

Confirmation of Idling Current of Amp Unit

Procedure to confirm and adjust the idling current of the amplifier unit.

Attention

Important note regarding checking components before cutting bias resistors.

BLOCK DIAGRAM (1/2)

BLOCK DIAGRAM (2/2)

SCHEMATIC DIAGRAM (DSP 1/2)

SCHEMATIC DIAGRAM (DSP 2/2)

SCHEMATIC DIAGRAM (FUNCTION 1/2)

SCHEMATIC DIAGRAM (FUNCTION 2/2)

SCHEMATIC DIAGRAM (OPERATION)

SCHEMATIC DIAGRAM (MAIN)

SCHEMATIC DIAGRAM (POWER)

SCHEMATIC DIAGRAM (VIDEO)

SCHEMATIC DIAGRAM (CONVERSION)

PARTS LIST

ELECTRICAL PARTS

List of electrical components with their part numbers and descriptions.

AMP UNIT

AMP UNIT

Exploded view and parts list for the amplifier unit.

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