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Yamaha RX-V1500 - Service Manual

Yamaha RX-V1500
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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

  • L
    lklineSep 15, 2025
    Why does my Yamaha RX-V1500 Receiver show E-3:NO PRES. SP error?
    • J
      Joe JohnsonSep 15, 2025
      If your Yamaha Receiver displays 'E-3:NO PRES. SP', a presence channel signal is not detected. Check the presence speaker connections.
  • B
    Bradley JohnsonAug 25, 2025
    How to fix no sound on Yamaha Receiver?
    • P
      Phillip FranklinAug 25, 2025
      If you're not getting any sound from your Yamaha Receiver, try these solutions: * Check all input and output cable connections to ensure they are properly connected. If the problem persists, the cables may be defective. * Disconnect the optimizer microphone. * Set the input mode to “AUTO”. * Select the appropriate input source using the INPUT, MULTI CH INPUT, or input selector buttons. * Make sure that speaker connections are secure. * Select the front speakers with SPEAKERS A and/or B. * Increase the volume. * Press MUTE or any operation buttons of this unit to cancel a mute and adjust the volume. * If playing a DTS signal, set the input mode to “AUTO” or “DTS”. * Ensure the source you are playing can be reproduced by the unit.
  • E
    elizabethsmithAug 26, 2025
    Why does my Yamaha Receiver suddenly turn off?
    • G
      Gary WhiteAug 27, 2025
      If your Yamaha Receiver suddenly turns into standby mode, it may be due to the internal temperature becoming too high and the overheat protection circuitry being activated. Wait for about 1 hour until this unit cools down and then turn it back on.
  • G
    gordonstevenAug 27, 2025
    What to do if Yamaha Receiver sound suddenly goes off?
    • W
      wooddavidAug 27, 2025
      If the sound on your Yamaha Receiver suddenly cuts out, here are a few things to check: * The protection circuitry may have been activated due to a short circuit. Verify the impedance selector setting is correct. * The sleep timer may have turned the unit off. Turn the power back on and play the source again. * The sound may be muted. Press the MUTE button to cancel mute.
  • R
    Randall StephensSep 16, 2025
    What does E-6:CHECK SURR. mean on Yamaha Receiver?
    • M
      Michael WiseSep 16, 2025
      If your Yamaha Receiver displays 'E-6:CHECK SURR.', surround back speaker(s) is (are) connected, though surround L/R speakers are not. Connect surround speakers when you use (a) surround back speaker(s).
  • D
    Daniel FrazierNov 24, 2025
    Why is my Yamaha Receiver remote not working?
    • R
      Rachel KellyNov 24, 2025
      If the Yamaha Receiver's remote control isn't working correctly, consider the following: 1. Ensure you're within 6 meters (20 ft) and within a 30-degree angle of the front panel. 2. Make sure that there is no direct sunlight or lighting striking the remote control sensor on the unit; if so, reposition the unit. 3. Replace all the batteries. 4. Verify that AMP/SOURCE/TV is set correctly: to the AMP position for operating the unit, to the SOURCE position for operating the component selected by the input selector button, and to the TV position for operating the TV set in the DTV or PHONO area. 5. Ensure the remote control code is correctly set. 6. If the remote control still doesn’t respond, program the necessary functions independently into the programmable buttons using the Learn fea...
  • M
    Mrs. Tiffany Avila MDSep 8, 2025
    What to do if my Yamaha RX-V1500 shows E-5:NOISY error?
    • S
      Sheena PaulSep 8, 2025
      If you are getting a 'NOISY' error on your Yamaha Receiver, it means the background noise is too loud. To resolve this, try running the auto setup procedure in a quiet environment. Also, turn off any noisy electrical equipment like air conditioners, or move them away from the optimizer microphone.
  • S
    Sharon BowenSep 9, 2025
    Why does my Yamaha RX-V1500 Receiver display W-3:LEVEL ERROR?
    • Q
      qalexanderSep 9, 2025
      If your Yamaha Receiver shows a 'LEVEL ERROR', it indicates that the volume levels among the speakers are excessively different. To fix this: 1. Readjust the speaker installation to ensure all speakers are in locations with similar conditions. 2. Check the speaker connections. 3. Use speakers of similar quality. 4. Adjust the output volume of the subwoofer.
  • D
    David JonesSep 3, 2025
    Why can't I play Dolby Digital or DTS on my Yamaha Receiver?
    • R
      Rhonda TaylorSep 3, 2025
      If your Yamaha Receiver isn't playing Dolby Digital or DTS sources, and the indicator isn't lit, check these: * Ensure the connected component is set to output Dolby Digital or DTS digital signals by following its operation instructions. * If the input mode is set to “ANALOG”, change it to “AUTO” or “DTS.”
  • C
    Christina MyersSep 1, 2025
    How to connect the microphone to my Yamaha RX-V1500?
    • J
      Jessica LongSep 1, 2025
      If your Yamaha Receiver prompts 'Connect MIC!', the optimizer microphone is not connected. Connect the supplied optimizer microphone to the OPTIMIZER MIC jack on the front panel.

Summary

IMPORTANT NOTICE

TO SERVICE PERSONNEL

Leakage Current Measurement (For 120 V 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 0 dB

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 0 dB

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-232 C

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.

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

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