When the DIGITAL P.C.B. or IC22 on DIGITAL P.C.B. is replaced, this unit will display “Internal Error” and will not
operate properly. The model name MUST be written to the backup IC (EEPROM: IC22 on DIGITAL P.C.B.) to have
proper operation. (For details, refer to “S5. SOFT SWITCH” menu of the self-diagnostic function.)
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 specifi cally 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. Modifi cations are, therefore, inevitable and specifi cations
are subject to change without notice or obligation to retrofi t. Should any discrepancy appear to exist, please contact the distributor's
Service Division.
WARNING:
IMPORTANT:
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 specifi ed. 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 fi rm does not constitute authorization, certifi cation 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.
■ CONTENTS
TO SERVICE PERSONNEL ............................................2
FRONT PANELS ............................................................. 3
Copyright (c) Yamaha Corporation All rights reserved.
This manual is copyrighted by Yamaha and may not be copied or
redistributed either in print or electronically without permission.
P.O.Box 1, Hamamatsu, Japan
'13.03
RX-V475/HTR-4066/RX-V500D
■ TO SERVICE PERSONNEL
1. Critical Components Information
Components having special characteristics are marked ⚠ and
must be replaced with parts having specifications equal to those
originally installed.
2. Leakage Current Measurement (For 120V Models Only)
When service has been completed, it is imperative to verify
that all exposed conductive surfaces are properly insulated
from supply circuits.
• Meter impedance should be equivalent to 1500 ohms shunted
by 0.15 μF.
RX-V500D
RX-V475/HTR-4066/
WALL
OUTLET
• Leakage current must not exceed 0.5mA.
• Be sure to test for leakage with the AC plug in both polarities.
EQUIPMENT
UNDER TEST
INSULATING
TABLE
AC LEAKAGE
TESTER OR
EQUIVALENT
For U model
“CAUTION”
“F5401: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 2A,
250V FUSE.”
“F5402: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE 6A,
125V FUSE.”
For C model
CAUTION
F5401: REPLACE WITH SAME TYPE 2A, 250V FUSE.
F5402: REPLACE WITH SAME TYPE 6A, 125V FUSE.
ATTENTION
F5401: UTILISER UN FUSIBLE DE RECHANGE DE MÉME TYPE DE 2A, 250V.
F5402: UTILISER UN FUSIBLE DE RECHANGE DE MÉME TYPE DE 6A, 125V.
WARNING: CHEMICAL CONTENT NOTICE!
This product contains chemicals known to the State of California to cause cancer, or birth defects or other reproductive
harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON
WHATSOEVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or
expose eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands before
handling food.
About lead free solder /
All of the P.C.B.s installed in this unit and solder joints are
soldered using the lead free solder.
Among some types of lead free solder currently available,
it is recommended to use one of the following types for
the repair work.
• Sn + Ag + Cu (tin + silver + copper)
• Sn + Cu (tin + copper)
• Sn + Zn + Bi (tin + zinc + bismuth)
Caution:
As the melting point temperature of the lead free solder
is about 30°C to 40°C (50°F to 70°F) higher than that of
the lead solder, be sure to use a soldering iron suitable
to each solder.
Windows is a registered trademark of Microsoft Corporation in the United
States and other countries.
Windows は米国 MicrosoftCorporation の米国およびその他の国における登録商
標です。
Internet Explorer, Windows Media Audio and Windows Media Player are
either registered trademarks or trademarks of Microsoft Corporation in
the United States and/or other countries.
HDMI, the HDMI Logo, and High-Definition Multimedia Interface are
trademarks or registered trademarks of HDMI Licensing LLC in the United
States and other countries.
“SILENT CINEMA” is a trademark of Yamaha Corporation.
「サイレントシネマ™ SILENTCINEMA ™」はヤマハ株式会社の登録商標です。
Top view
47
(1-7/8")
170 (6-5/8")
58
50
(2")
(2-1/4")
Front view
ø 60
335 (13-1/4")
22
(7/8")
315 (12-3/8")
275 (10-7/8")
18
(3/4")
161 (6-3/8")
140 (5-1/2")
DLNA™ and DLNA CERTIFIED™ are trademarks or registered trademarks
of Digital Living Network Alliance. All rights reserved. Unauthorized use is
strictly prohibited.
NetworkInformation StatusDisconnect / Connect (status of the NETWORK jack)
RX-V500D
RX-V475/HTR-4066/
NetworkMAC Address Filter[Off] / On
LanguageEnglish (English) /
(U, C, R, T, K, A, B, G, F, L, S, H models)Italiano (Italian) / 中文 (Chinese)
SUB-MENUPARAMETERVALUE [INITIAL VALUE]
AV1 / AV2 / AV3 / AV4 / AV5 / AV6 /
AUDIO / USB / V-AUX
Input is possible to 9 characters
Input possible Character type
Capital: A to Z
Small: a to z
Figure: 0 to 9
Symbols: / ( ) = + , - etc.
Space
Preset name select: Blu-ray / DVD / SetTopBox / Game / TV / DVR /
CD / CD-R / Satellite / VCR / Tape / MD / PC /
iPod / HD DVD
Memory Guard[Off] / On
DC OUTPower Mode[Continuous] / Power Sync.
MAC Addressxx:xx:xx:xx:xx:xx
IP Addressxxx.xxx.xxx. x
Subnet Maskxxx.xxx.xxx. x
Default Gatewayxxx.xxx.xxx. x
DNS Server(Primary)xxx.xxx.xxx. x
(Secondary)xxx.xxx.xxx. x
vTuner (Internet radio) IDxxxxxxxxxxxx
IP AddressDHCPOff / [On]
* The following setting is available only when “DHCP” is set to “Off”.
以下は “DHCP” が “Off” の場合のみ設定可能
IP Addressxxx.xxx.xxx. x
Subnet Maskxxx.xxx.xxx. x
Default Gatewayxxx.xxx.xxx. x
DNS Server(Primary)xxx.xxx.xxx. x
(Secondary)xxx.xxx.xxx. x
MAC Address 1–10xx:xx:xx:xx:xx:xx
* This setting is available only when “MAC Address Filter” is set to “On”.
“MAC Address Filter”が“On”
DMC ControlDisable / [Enable]
Network Standby[Off] / On
Network NameInput is possible to 15 characters
Network Update Perform Update
Firmware Versionx.xx
System IDxxxxxxxx
日本語
Deutsch (German) / Español (Spanish) / Русский (Russian) /
の場合のみ設定可能
(Japanese) / Français (French) /
16
■ INTERNAL VIEW
RX-V475/HTR-4066/RX-V500D
Top view
Front view
1
OPERATION (2) P.C.B.
2
891423576
MAIN (4) P.C.B. (R, S models)
3
MAIN (1) P.C.B.
4
DIGITAL P.C.B.
5
OPERATION (8) P.C.B.
6
AM/FM TUNER (RX-V475/HTR-4066)
DAB P.C.B. (RX-V500D)
7
OPERATION (3) P.C.B.
8
MAIN (3) P.C.B.
9
MAIN (2) P.C.B.
10
MAIN (5) P.C.B.
11
OPERATION (4) P.C.B.
12
OPERATION (9) P.C.B.
13
10121113
151614
POWER TRANSFORMER
14
OPERATION (5) P.C.B.
15
OPERATION (1) P.C.B.
16
OPERATION (6) P.C.B.
17
OPERATION (7) P.C.B.
RX-V475/HTR-4066/
RX-V500D
17
■ SERVICE PRECAUTIONS /
サービス時の注意事項
Safety measures
• Some internal parts in this product contain high voltages
and are dangerous.
Be sure to take safety measures during servicing, such
as wearing insulating gloves.
• Note that the capacitors indicated below are dangerous
even after the power is turned off because an electric
charge remains and a high voltage continues to exist
there.
Before starting any repair work, connect a discharging
resistor (5 k-ohms/10 W) to the terminals of each
capacitor indicated below to discharge electricity.
The time required for discharging is about 30 seconds
per each.
C2084 and C2085 on MAIN (1) P.C.B.
C5407 on OPERATION (2) P.C.B.
a. Remove 2 screws (④) and 6 screws (⑤). (Fig. 3)
b. Remove 2 screws (⑥). (Fig. 2)
c. Remove CB22, CB26, CB64, CB65 and CB91. (Fig. 2)
d. Unlock and remove CB24 and CB25. (Fig. 2)
e. Remove the DIGITAL P.C.B. which is connected directly
to the MAIN (2) P.C.B. and MAIN (3) P.C.B. with boardto-board connectors. (Fig. 2)
4. Removal of AMP Unit
a. Remove 4 screws (⑦), 4 screws (⑧) and 2 screws (⑨).
(Fig. 2)
b. Remove 3 screws (⑩). (Fig. 3)
c. Remove the amp unit. (Fig. 2)
• Put the rubber sheet and cloth over this unit, and
place the DIGITAL P.C.B. on them. (Fig. 5)
• Connect ST951 on DIGITAL P.C.B. to the chassis
with a ground lead. (Fig. 5)
• Reconnect all cables (connectors) that have been
disconnected. Be sure to use the P.C.B. CHECKING
JIG (Part No. ZG780000) to connect between the
following connectors.
CB62 on DIGITAL P.C.B. – CB271 on MAIN (3) P.C.B.
CB63 on DIGITAL P.C.B. – CB251 on MAIN (2) P.C.B.
• When connecting the flexible flat cable, be careful
with polarity.
After updating the firmware, the back-up IC MUST
be initialized by the following procedure store the
setting information (soundfield parameters, system
memory and tuner presetting, etc.) properly.
Start up the self-diagnostic function and select “S3.
FACTORY PRESET” menu.
(For details, refer to “SELF-DIAGNOSTIC FUNCTION”)
Select “PRESET RSRV”, press the “
turn off the power once and turn on the power again.
Then the back-up IC is initialized.
● Required Tools
• USB storage device
• Firmware
● Preparation
1. Download the latest firmware from the specified
ファームウェアのアップデート後、設定情報(音
場プログラムのパラメーターやシステムメモリー、
チューナープリセット等)を正常に保存するために、
下記の方法でバックアップ IC を初期化する必要が
あります。
本機のダイアグを起動し、“S3.FACTORYPRESET” メ
ニューを選択します。
(詳細は “ダイアグ” を参照してください。)
“PRESETRSRV” を選択し、“
電源を一度きってから、もう一度電源を入れるとバッ
クアップ IC が初期化されます。
”(電源)キーを押して
● 必要なツール
・ USB フラッシュメモリー
・ ファームウェア
RX-V475: R0326-xxxx.bin
● 準備
1. 指定のダウンロード先から、最新のファームウェ
アを PC のフォルダへダウンロードしてください。
22
2. Copy the latest firmware from the PC to the root
folder of the USB storage device.
Note: When the latest firmware is copied to a sub-
folder of the USB storage device, the update
will not proceed.
2. PC から USB フラッシュメモリーのルートフォル
ダへ最新のファームウェアをコピーします。
注意 : 最新のファームウェアをサブフォルダにコピー
した場合、書き込みはできません。
RX-V475/HTR-4066/RX-V500D
● Operation Procedures
1. Insert the USB storage device to the USB jack.
(Fig. 1)
2. While pressing the “INFO” key, connect the power
cable to the AC outlet. (Fig. 1)
" " (Power) key
""(電源)キー
"INFO" key
“INFO” キー
USB フラッシュメモリー
● 操作手順
USB storage device
Fig. 1
1. USB 端子に USB フラッシュメモリーを差し込みま
す。(Fig.1)
2. “INFO” キーを押しながら、電源コードを AC コン
セントに接続します。(Fig.1)
USB jack
USB 端子
RX-V475/HTR-4066/
RX-V500D
3. The USB UPDATE mode is activated and “USB
UPDATE” is displayed. Writing of the firmware
starts automatically. (Fig. 2)
Writing is started. /
USBUPDATE
書き込み開始
VERIFYING...
4. When writing of the firmware is completed,
“UPDATE SUCCESS”, “PLEASE...” and “POWER
OFF!” are displayed repeatedly. (Fig. 3)
Writing is completed. /
UPDATESUCCESS
5. Press the “
” (Power) key to turn off the power.
書き込み完了
PLEASE...
(Fig. 1)
6. Remove the USB storage device from the USB
jack. (Fig. 1)
7. Start up the self-diagnostic function and check that
the firmware version is the same as written one.
(For details, refer to “Confirmation of firmware
version”)
● Starting Self-Diagnostic Function in
the protection cancel mode
If the protection function works and causes hindrance
to troubleshooting, cancel the protection function by the
procedure below, and it will be possible to enter the selfdiagnostic function mode. (The protection functions other
than the excess current detect function will be disabled.)
While pressing the “TONE CONTROL” and “INFO” keys,
press the “
pressing those 2 keys and “
or longer.
The self-diagnostic function mode is activated with the
protection functions disabled.
In this mode, the “SLEEP” segment of the FL display flashes
to indicate that the mode is self-diagnostic function mode
with the protection functions disabled.
CAUTION!
Using this unit with the protection function disabled may
cause further damage to this unit. Use special care for
this point when using this mode.
2. When the protection function worked to turn
off the power:
The information of protection function which worked at
that time is displayed. Then “A1-1. DSP MARGIN” is
displayed in a few seconds.
Note: At that time if you restart the self-diagnostic
function after turning off the power once, “NO
PROTECT” will be displayed. That is because
that situation is equal to “1. When the power is
turned off by usual operation:”.
However history of the protection function is
stored in memory as backup data. For details,
refer to “P2. PROTECTION HISTORY” menu.
2-1. When there is a history of protection function
due to excess current.
IPROTECT
Cause: An excessive current flowed through the power
amplifier.
Supplementary information: As current of the power
amplifier is detected, the abnormal channel can be
identified by checking the current detect transistor.
Turning on the power without correcting the abnormality
will cause the protection function to work immediately and
the power supply will instantly be shut off.
• Applying the power to this unit without correcting
the abnormality can be dangerous and cause
additional circuit damage. To avoid this, if “I
PROTECT” protection function works 1 time, the
power will not turn on even when the “
key is pressed. In order to turn on the power
again, start up the self-diagnostic function.
• The output transistors in each amplifier channel
should be checked for damage before applying
power to this unit.
• Amplifier current should be monitored by
measuring DC voltage across the emitter resistors
for each channel.
H: Displayed when the voltage is HIGHER than upper limit
電圧が上限値より高い場合に表示されます
L: Displayed when the voltage is LOWER than lower limit
電圧が下限値より低い場合に表示されます
DCPRT:xxxH
xxx: A/D conversion value of voltage at the moment when the protection function worked
(Reference voltage: 3.3 V=255)
プロテクションが働いた瞬間の電圧の A/D 変換値
(基準電圧:3.3V=255)
Cause: DC output of the power amplifier is abnormal.
Supplementary information: The protection function
worked due to a DC voltage appearing at the speaker
terminal. A cause could be a defect in the amplifier.
Turning on the power without correcting the abnormality
will cause the protection function to work in 5 seconds
and the power supply will be shut off.
2-3. When the protection function worked due to
abnormal voltage in the power supply section.
2-2. DC出力異常によりプロテクションが働いた場合
原因: パワーアンプのDC 出力が異常。
補足:アンプの故障でスピーカー端子に直流電圧が掛か
るなどが原因で、プロテクションが働いたことを
示します。
異常状態のまま電源を入れると、5 秒後にプロテクション
が働き、電源が切れます。
2-3. 電源部の電圧異常によりプロテクションが働い
た場合
RX-V500D
RX-V475/HTR-4066/
Cause: The voltage in the power supply section is
abnormal.
Supplementary information: The protection function
worked due to a defect or overload in the power supply.
Turning on the power without correcting the abnormality
will cause the protection function to work in 1 seconds
and the power supply will be shut off.
Notes:
• Applying the power to this unit without correcting
the abnormality can be dangerous and cause
additional circuit damage. To avoid this, if “PS”
and “DC” protection function works 3 times
consecutively, the power will not turn on even
when the “
to turn on the power again, start up the selfdiagnostic function.
• The output transistors in each amplifier channel
should be checked for damage before applying
power to this unit.
• Amplifier current should be monitored by
measuring DC voltage across the emitter resistors
for each channel.
30
H: Displayed when the voltage is HIGHER than upper limit
電圧が上限値より高い場合に表示されます
L: Displayed when the voltage is LOWER than lower limit
PSxPRT:xxxL
xxx: A/D conversion value of voltage at the moment when the protection function worked