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AV RECEIVER/AV AMPLIFIER
RX-V663/HTR-6160/
DSP-AX763
SERVICE MANUAL



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.




RX-V663/HTR-6160/
I CONTENTS




DSP-AX763
TO SERVICE PERSONNEL .......................................... 2 DISPLAY DATA ........................................................... 63
FRONT PANELS ........................................................ 3­5 IC DATA ................................................................. 64­80
REAR PANELS .......................................................... 6­9 PIN CONNECTION DIAGRAMS ............................ 81­84
REMOTE CONTROL PANELS .................................... 10 BLOCK DIAGRAMS .............................................. 85­89
SPECIFICATIONS / ................................ 11­13 PRINTED CIRCUIT BOARDS .............................. 90­103
INTERNAL VIEW ......................................................... 14 SCHEMATIC DIAGRAMS .................................. 105­115
DISASSEMBLY PROCEDURES / .......... 14­19 REPLACEMENT PARTS LIST .......................... 117­145
UPDATING FIRMWARE REMOTE CONTROL .......................................... 146­151
.................................. 20­34 ADVANCED SETUP / .... 152­155
SELF DIAGNOSIS FUNCTION (DIAG) Using Bluetooth components /
.................................. 35­61 ........................................ 155
CONFIRMATION OF IDLING CURRENT OF AMP UNIT
............... 62




101087 2008 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
'08.03
RX-V663/HTR-6160/DSP-AX763



I TO SERVICE PERSONNEL AC LEAKAGE
1. Critical Components Information WALL EQUIPMENT TESTER OR
Components having special characteristics are marked s OUTLET UNDER TEST EQUIVALENT
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 INSULATING
TABLE
from supply circuits.
G Meter impedance should be equivalent to 1500 ohms shunted G Leakage current must not exceed 0.5mA.
by 0.15µF. G Be sure to test for leakage with the AC plug in both polarities.


For U model
"CAUTION"
"F2501, F2502: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME
TYPE 10A, 125V FUSE."

For C model
CAUTION
F2501, F2502: REPLACE WITH SAME TYPE 10A, 125V FUSE.
ATTENTION
F2501, F2502: UTILISER UN FUSIBLE DE RECHANGE DE MÉME TYPE DE 10A, 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 WHAT SO EVER!
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.
RX-V663/HTR-6160/




About lead free solder /
DSP-AX763




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.




2
RX-V663/HTR-6160/DSP-AX763



I REMOTE CONTROL PANELS
· RAV285 · RAV330 · RAV372
RX-V663 (U, C models) RX-V663 (R, T, A, L models) RX-V663 (K, G, E, F models)
HTR-6160 (U, C models) DSP-AX763 (J model) HTR-6160 (F model)
DSP-AX763 (B model)
RX-V663/HTR-6160/
DSP-AX763




10
RX-V663/HTR-6160/DSP-AX763



I SPECIFICATIONS
I Audio Section / I General /
Minimum RMS Output Power (Power Amp. Section) / Signal to Noise Ratio / (IHF-A network) Power Supply / Bluetooth is a registered trademark of the Bluetooth SIG and is used
PHONO (MM) (Input shorted) to REC OUT U, C models ........................................................... AC 120 V, 60 Hz by Yamaha in accordance with a license agreement.
[RX-V663/DSP-AX763] (20 Hz to 20 kHz) R, T models (5 mV) ................................................. 86 dB or more R model ................................ AC 110/120/220/230-240 V, 50/60 Hz
U, C, R, T, K, A, B, G, E, F, L models (0.06 % THD, 8 ohms) K, A, B, G, E, F, L models (5 mV) .......................... 81 dB or more T model .................................................................. AC 220 V, 50 Hz
J model (0.09 % THD, 6 ohms) J model (2.5 mV) ..................................................... 80 dB or more K model .................................................................. AC 220 V, 60 Hz
FRONT L/R ............................................................. 95 W + 95 W CD, etc. (Effect off) (Input shorted) to SP OUT A model .................................................................. AC 240 V, 50 Hz
CENTER ............................................................................. 95 W 250 mV .................................................................. 100 dB or more B, G, E, F models .................................................. AC 230 V, 50 Hz
SURROUND L/R .................................................... 95 W + 95 W Residual Noise / (IHF-A network) L model .............................................. AC 220/230-240 V, 50/60 Hz "HDMI", the "HDMI" logo and "High-Definition Multimedia Interface"
SURROUND BACK L/R ......................................... 95 W + 95 W FRONT L/R, SP OUT ............................................... 150 µV or less J model ............................................................ AC 100 V, 50/60 Hz are trademarks or registered trademarks of HDMI Licensing LLC.
[HTR-6160] (1 kHz, 0.7 % THD, 8 ohms) Channel Separation / (1 kHz/10 kHz) Power Consumption /
FRONT L/R ........................................................ 110 W + 110 W PHONO (Input shorted) U, C models ............................................................ 400 W / 500 VA
CENTER ........................................................................... 110 W R, T, K, A, B, G, E, F, L, J models ..... 60 dB or more/55 dB or more R, T, K, A, B, G, E, F, L models ............................................ 440 W
SURROUND L/R ............................................... 110 W + 110 W CD, etc. (Input 5.1 k-ohms shorted) ..... 60 dB or more/45 dB or more J model .................................................................................. 300 W
SURROUND BACK L/R ..................................... 110 W + 110 W Standby Power Consumption (reference data) /
Volume Control / "x.v.Color" is a trademark of Sony Corporation.
Maximum Power / (JEITA, 1 kHz, 10 % THD) ............................................ MUTE/-80 dB to +16.5 dB/0.5 dB step U, C models ............................................................................ 0.8 W
FRONT L/R R, T, K, A, B, G, E, F, L, J models ......................................... 0.1 W
Tone Control Characteristics /
R, T, K, L models (8 ohms) .................................. 135 W + 135 W Maximum Power Consumption (6ch drive, 10 % THD)
BASS
J model (6 ohms) ................................................. 135 W + 135 W
Boost/Cut ............................................ ± 10 dB/2 dB (step 50 Hz) R model .................................................................................. 850 W
CENTER
Turnover frequency ............................................................ 350 Hz AC Outlets / "SILENT CINEMA" is a trademark of Yamaha Corporation.
R, T, K, L models (8 ohms) ................................................. 135 W
TREBLE 2 switched outlets
J model (6 ohms) ................................................................ 135 W
Boost/Cut ........................................... ± 10 dB/2 dB (step 20 kHz) U, C, T, J models ............................................... 100 W max. total
SURROUND L/R
Turnover frequency ........................................................... 3.5 kHz R, G, E, F, L models ............................................ 50 W max. total
R, T, K, L models (8 ohms) .................................. 135 W + 135 W
Filter Characteristics / 1 switched outlet
J model (6 ohms) ................................................. 135 W + 135 W
(fc=40/60/80/90/100/110/120/160/200 Hz) A, B models ................................................................ 100 W max.
SURROUND BACK L/R
R, T, K, L models (8 ohms) .................................. 135 W + 135 W FRONT, CENTER, SURROUND, SURROUND BACK small Dimensions / (W x H x D) The XM name and related logos are registered trademarks of XM
J model (6 ohms) ................................................. 135 W + 135 W (H.P.F.) .......................................................................... 12 dB/oct. ............................ 435 x 171 x 393 mm (17-1/8" x 6-3/4" x 15-1/2") Satellite Radio Inc.
SUBWOOFER (L.P.F.) .................................................... 24 dB/oct. Weight /
Max. Power Per Channel
(SP impedance set: 8 ohms minimum, 1 kHz, 0.7 % THD, 4 ohms) ................................................................................ 11.8 kg (26 lbs)
I Video Section /
B, G, E, F, L models Finish /
FRONT L/R .......................................................... 145 W + 145 W Video Signal Type / [RX-V663] Neural SurroundTM name and related logos are trademarks owned by
CENTER .............................................................................. 145 W Gray back Gold color ................................................................... R, T models Neural Audio Corporation.
SURROUND L/R .................................................. 145 W + 145 W U, C, R, K, J models ............................................................ NTSC Black color ........................................... U, C, R, A, G, E, F models
SURROUND BACK L/R ........................................ 145 W + 145 W T, A, B, G, E, F, L models ....................................................... PAL Titanium color ............................................... K, G, E, F, L models
IEC Power (1 kHz, 0.06 % THD, 8 ohms) Video conversion ............................................................ NTSC/PAL [HTR-6160]
B, G, E, F, L models Composite Video Signal Level / Black color ............................................................. U, C, F models ©2006 SIRIUS Satellite Radio Inc. "SIRIUS", "SiriusConnect", the
FRONT L/R .......................................................... 105 W + 105 W .............................................................................. 1 Vp-p / 75 ohms Titanium color ................................................................... F model SIRIUS dog logo, channel names and logos are trademarks of
Dynamic Power Per Channel / (IHF) S-Video Signal Level / [DSP-AX763] SIRIUS Satellite Radio Inc.
Y ............................................................................ 1 Vp-p / 75 ohms Gold color .......................................................................... J model
FRONT L/R (8/6/4/2 ohms)
C ..................................................................... 0.286 Vp-p / 75 ohms Black color ................................................................... B, J models
U, C, R, T, K, A, B, G, E, F, L models ........... 130/165/195/240 W
J model ............................................................... ­/135/165/210 W Component Video Signal Level / Titanium color .................................................................. B model
Y ............................................................................ 1 Vp-p / 75 ohms Accessories /
Dynamic Headroom
U, C models (8 ohms) ............................................................ 1.4 dB Cb/Cr .................................................................. 0.7 Vp-p / 75 ohms Remote control x 1, Batteries (R6, AA, UM-3) x 2 (U, C, R, T, A, L, J
D5-Video Signal Level / (J model) models) / (R03, AAA, UM-4) x 4 (K, B, G, E, F models), Indoor FM
Damping Factor / antenna x 1 (U, C, R, T, K, A, G, E, F, L, J models), AM loop antenna · DIMENSIONS




(7/8")
Y ............................................................................ 1 Vp-p / 75 ohms




21.7
FRONT L/R (20 Hz to 20 kHz, SPEAKER-A, 8 ohms) ...... 120 or more x 1 (U, C, R, T, K, A, G, E, F, L, J models), Optimizer microphone x
Input Sensitivity/Input Impedance / Cb/Cr .................................................................. 0.7 Vp-p / 75 ohms
1, Power cable x 1 (J model)
(1 kHz, 100 W/8 ohms) Video Maximum Input Level /
PHONO (MM) VIDEO CONV. OFF .............................................. 1.5 Vp-p or more * Specifications are subject to change without notice due to product
R, T, K, A, B, G, E, F, L, J models ................ 3.5 mV / 47 k-ohms Video Signal to Noise Ratio / improvements.
CD, etc. ............................................................ 200 mV / 47 k-ohms VIDEO CONV. OFF ................................................... 50 dB or more
MULTI CH INPUT Monitor Out Frequency Response /
FRONT L/R, CENTER, SURROUND L/R, SURROUND BACK L/R, (VIDEO CONV. OFF)




352.3 (13-7/8")
U .......... U.S.A. model B .......... British model




285.5 (11-1/4")



393 (15-1/2")
SUBWOOFER Component video signal level .................... 5 Hz to 100 MHz, -3 dB
.................................................................... 200 mV / 47 k-ohms D5-video signal level (J model) .................. 5 Hz to 100 MHz, -3 dB C .......... Canadian model G .......... European model
Maximum Input Signal Level / (1 kHz) R .......... General model E .......... South European model
HDMI ..................................................................................... Ver. 1.3a
PHONO (MM) (0.1 % THD) T .......... Chinese model F .......... Russian model
R, T, K, A, B, G, E, F, L, J models ........................ 60 mV or more I FM Section / [U, C, R, T, K, A, G, E, F, L, J models] K .......... Korean model L .......... Singapore model
CD, etc. (Effect on) (0.5 % THD) ............................... 2.3 V or more A .......... Australian model J ........... Japanese model
Tuning Range /
Output Level/Output Impedance / U, C models ........................................................ 87.5 to 107.9 MHz
REC OUT ........................................................ 200 mV / 1.2 k-ohms R, L models ............................ 87.5 to 108.0 / 87.50 to 108.00 MHz
PRE OUT (FRONT L/R, CENTER, SURROUND L/R, T, K, A, G, E, F models .................................. 87.50 to 108.00 MHz
SURROUND BACK L/R) .................................. 1.0 V / 1.2 k-ohms J model ................................................................. 76.0 to 90.0 MHz
SUBWOOFER (2ch stereo & FRONT L/R SP: small) 50dB Quieting Sensitivity / (IHF, 1 kHz, 100 % MOD.)




(3/4")
.......................................................................... 2.0 V / 1.2 k-ohms




19
Mono ..................................................................... 2.8 µV (20.2 dBf) Manufactured under license from Dolby Laboratories.
[RX-V863 (U, C, R, T, K, A, G, E, F, L models)/HTR-6180 (U, F models)] "Dolby", "Pro Logic", and the double-D symbol are trademarks of
ZONE2 OUT ................................................. 200 mV / 1.2 k-ohms Signal to Noise Ratio / (IHF)
Mono / Stereo ............................................................. 73 dB / 70 dB Dolby Laboratories.
Headphone Jack Rated Output/Impedance /




150 (5-15/15")
Harmonic Distortion / (1 kHz)




171 (6-3/4")
CD, etc. (1 kHz, 50 mV, 8 ohms) ..................... 150 mV / 100 ohms Mono / Stereo ............................................................. 0.5 % / 0.5 %
Frequency Response / (10 Hz to 100 kHz) Antenna Input / ......................... 75 ohms unbalanced
CD, etc. to FRONT L/R (Pure direct) .............................. +0/-3.0 dB I AM Section / [U, C, R, T, K, A, G, E, F, L, J models]
RIAA Equalization Deviation / (20 Hz to 20 kHz)
PHONO (MM) Tuning Range / DTS is a registered trademark and the DTS logos, Symbol, DTS-HD
R, T, K, A, B, G, E, F, L, J models ............................... 0 ± 0.5 dB U, C models .......................................................... 530 to 1,710 kHz and DTS-HD Master Audio are trademark of DTS, Inc. 395 (15-9/16")




(13/16")
R, L models ................................... 530 to 1,710 / 531 to 1,611 kHz
Total Harmonic Distortion / (20 Hz to 20 kHz)




21
T, K, A, G, E, F, J models ..................................... 531 to 1,611 kHz 435 (17-1/8")
PHONO (MM) to REC OUT (1 V)
R, T, K, A, B, G, E, F, L, J models ......................... 0.02 % or less Antenna Input / .................................... Loop antenna
CD, etc. (2ch stereo) to FRONT L/R SP OUT (50 W, 8 ohms)
................................................................................. 0.06 % or less "iPod" is a trademark of Apple Inc., registered in the U.S. and other Unit: mm (inch)
countries.

11
RX-V663/HTR-6160/DSP-AX763




· SELECT MENU




3
PARAMETER




Presence R Level
Surround R Level




Presence L Level
Surround L Level
Sur. Room Size




SB. Room Size




Sur.Back Level
Sur. Init. Delay




SB. Init. Delay
Sur. Liveness




Center Image
Decode Type




SB. Liveness




Center Width
Center Level
Dialogue Lift




Effect Level
0 to 250 ms
1.0 to 5.0 s
-6 to +3 dB




Rev. Delay
Room Size




0 to 100 %




0 to 100 %



0 to 100 %



0 to 100 %



0 to 100 %



0 to 100 %



0 to 100 %
Rev. Level
DSP Level




Dimension
1 to 99 ms




1 to 49 ms




1 to 49 ms




Panorama
Rev. Time
Init. Delay




0.1 to 2.0




0.1 to 2.0




0.1 to 2.0




0.0 to 1.0
High/Low
Liveness




TruBass
Auto/Off




Initialize
FOCUS
-3 to +3




0 to 8



0 to 8
0 to 10




0 to 10




0 to 10




On/Off
Direct
0 to 5




0 to 7
CATEGORY SOUND FIELD
CLASSICAL Hall in Munich
Hall in Vienna
Chamber
LIVE/CLUB Cellar Club
The Roxy Theatre
The Bottom Line
ENTERTAINMENT Sports
Action Game
Roleplaying Game
Music Video
MOVIE Standard
Spectacle
Sci-Fi
Adventure
Drama
Mono Movie
STEREO 2ch Stereo
7ch Stereo
MUSIC ENHANCER Straight Enhancer
7ch Enhancer
SUR. DECODE Surround Decoder
STRAIGHT


· SCENE TEMPLATE

Program NIGHT Select (Default)
SCENE name Contents Source R, T, K, A, B, G,
Mode Sub-mode Mode U, C models
E, F, L, J models
DVD Viewing DVD DVD Movie STRAIGHT ­ SYSTEM O (SCENE 1) O
DVD Movie Viewing DVD MOVIE Sci-Fi SYSTEM O O (SCENE 1)
DVD Live Viewing Music Live DVD ENTERTAINMENT Music Video SYSTEM O O
DVR Viewing DVR DVR MOVIE Drama SYSTEM O O
Disc Hi-Fi ListeningDVD-Audio / Music Disc DVD PURE DIRECT ­ SYSTEM O O
1 Decode Type Music Disc ListeningSA-CD / CD DVD STEREO 2ch Stereo SYSTEM O O (SCENE 2)
Decode Type PL II x Movie PL II when Surround Back is None. / Disc Listening DVD STEREO 7ch Stereo SYSTEM O (SCENE 2) O
Neo:6 Cinema CD Hi-Fi Listening CD Music Disc CD PURE DIRECT ­ SYSTEM O O
CD Listening CD STEREO 7ch Stereo SYSTEM O O
2 Decode Type CD Music Listening CD STEREO 2ch Stereo SYSTEM O O
Decode Type Pro Logic