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AV RECEIVER/AV AMPLIFIER




RX-V661/HTR-6060/
RX-V661/HTR-6060/DSP-AX761




DSP-AX761
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.




I CONTENTS
TO SERVICE PERSONNEL .......................................... 2 AMP ADJUSTMENT 53
FRONT PANELS ........................................................ 3­4 DISPLAY DATA ..................................................... 54­55
REAR PANELS .......................................................... 5­8 IC DATA ................................................................. 56­70
REMOTE CONTROL PANELS ...................................... 9 BLOCK DIAGRAMS .............................................. 71­75
SPECIFICATIONS / ................................ 10­12 PRINTED CIRCUIT BOARDS ................................ 76­88
INTERNAL VIEW ......................................................... 13 PIN CONNECTION DIAGRAMS ............................ 89­91
DISASSEMBLY PROCEDURES / .......... 14­17 SCHEMATIC DIAGRAMS .................................... 93­101
UPDATING FIRMWARE REPLACEMENT PARTS LIST .......................... 103­129
..................................... 18­25 REMOTE CONTROL .......................................... 130­133
SELF DIAGNOSIS FUNCTION (DIAG) ADVANCED SETUP / .... 134­136
26­52 SCENE CONTROL ..................................................... 137




101042 2007 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
'07.03
RX-V661/HTR-6060/DSP-AX761



I TO SERVICE PERSONNEL AC LEAKAGE
1. Critical Components Information WALL EQUIPMENT TESTER OR
OUTLET UNDER TEST EQUIVALENT
RX-V661/HTR-6060/




Components having special characteristics are marked s
and must be replaced with parts having specifications equal
DSP-AX761




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!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where
applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and
possibly other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REA-
SON 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.




2
RX-V661/HTR-6060/DSP-AX761



I FRONT PANELS
RX-V661 (U, C models)




RX-V661/HTR-6060/
DSP-AX761
RX-V661 (R, T, K, A, G, E, L models)




HTR-6060 (U, C models)




3
RX-V661/HTR-6060/DSP-AX761




HTR-6060 (G model)
RX-V661/HTR-6060/
DSP-AX761




DSP-AX761 (B model)




DSP-AX761 (J model)




4
RX-V661/HTR-6060/DSP-AX761



I REAR PANELS
RX-V661 (U, C models)




RX-V661/HTR-6060/
DSP-AX761
RX-V661 (R model)




RX-V661 (T model)




5
RX-V661/HTR-6060/DSP-AX761




RX-V661 (K model)
RX-V661/HTR-6060/
DSP-AX761




RX-V661 (A model)




RX-V661 (G, E models)




6
RX-V661/HTR-6060/DSP-AX761




RX-V661 (L model)




RX-V661/HTR-6060/
DSP-AX761
HTR-6060 (U, C models)




HTR-6060 (G model)




7
RX-V661/HTR-6060/DSP-AX761




DSP-AX761 (B model)
RX-V661/HTR-6060/
DSP-AX761




DSP-AX761 (J model)




8
RX-V661/HTR-6060/DSP-AX761



I REMOTE CONTROL PANELS
· RAV326 · RAV327 · RAV364




RX-V661/HTR-6060/
RX-V661 (U, C models) RX-V661 (R, T, A, L models) RX-V661 (K, G, E models)




DSP-AX761
HTR-6060 (U, C models) DSP-AX761 (J model) HTR-6060 (G model)
DSP-AX761 (B model)




9
RX-V661/HTR-6060/DSP-AX761



I SPECIFICATIONS
I Audio Section /
RX-V661/HTR-6060/




Minimum RMS Output Power (Power Amp. Section) / Signal to Noise Ratio / (IHF-A network)
PHONO (MM) (Input shorted) to REC OUT
DSP-AX761




[RX-V661/DSP-AX761] (20 Hz to 20 kHz) U, C, R, T models (5 mV) ....................................... 86 dB or more
U, C, R, T, K, A, B, G, E, L models (0.06 % THD, 8 ohms) K, A, B, G, E, L models (5 mV) ............................... 81 dB or more
J model (0.09 % THD, 6 ohms) J model (2.5 mV) ..................................................... 80 dB or more
FRONT L/R ............................................................. 90 W + 90 W CD, etc. (Effect off) (Input shorted) to SP OUT
CENTER ............................................................................. 90 W 250 mV .................................................................. 100 dB or more
SURROUND L/R .................................................... 90 W + 90 W Residual Noise / (IHF-A network)
SURROUND BACK L/R ......................................... 90 W + 90 W FRONT L/R, SP OUT ............................................... 150 µV or less
[HTR-6060] (1 kHz, 0.7 % THD, 8 ohms) Channel Separation / (1 kHz/10 kHz)
FRONT L/R ........................................................ 105 W + 105 W PHONO (Input shorted) .................... 60 dB or more/55 dB or more
CENTER ........................................................................... 105 W CD, etc. (Input 5.1 k-ohms shorted) ..... 60 dB or more/45 dB or more
SURROUND L/R ............................................... 105 W + 105 W
Volume Control /
SURROUND BACK L/R ..................................... 105 W + 105 W
............................................ MUTE/-80 dB to +16.5 dB/0.5 dB step
Maximum Power / (JEITA, 1 kHz, 10 % THD)
Tone Control Characteristics /
FRONT L/R
BASS
R, T, K, L models (8 ohms) .................................. 130 W + 130 W
Boost/Cut ............................................ ± 10 dB/2 dB (step 50 Hz)
J model (6 ohms) ................................................. 130 W + 130 W
Turnover frequency ............................................................ 350 Hz
CENTER
TREBLE
R, T, K, L models (8 ohms) ................................................. 130 W
Boost/Cut ......................................... ± 10 dB/2 dB (step 20 k-Hz)
J model (6 ohms) ................................................................ 130 W
Turnover frequency ........................................................... 3.5 kHz
SURROUND L/R
R, T, K, L models (8 ohms) .................................. 130 W + 130 W Filter Characteristics /
J model (6 ohms) ................................................. 130 W + 130 W (fc=40/60/80/90/100/110/120/160/200 Hz)
SURROUND BACK L/R FRONT, CENTER, SURROUND, SURROUND BACK small
R, T, K, L models (8 ohms) .................................. 130 W + 130 W (H.P.F.) .......................................................................... 12 dB/oct.
J model (6 ohms) ................................................. 130 W + 130 W SUBWOOFER (L.P.F.) .................................................... 24 dB/oct.
Max. Power Per Channel I Video Section /
(SP impedance set: 8 ohms minimum, 1 kHz, 0.7 % THD, 4 ohms)
B, G, E, L models Video Signal Type /
FRONT L/R .......................................................... 140 W + 140 W Gray back
CENTER .............................................................................. 140 W U, C, R, K, J models ............................................................ NTSC
SURROUND L/R .................................................. 140 W + 140 W T, A, B, G, E, L models ........................................................... PAL
SURROUND BACK L/R ........................................ 140 W + 140 W Video conversion ............................................................ NTSC/PAL
IEC Power / (1 kHz, 0.06 % THD, 8 ohms) Composite Video Signal Level /
B, G, E, L models .............................................................................. 1 Vp-p / 75 ohms
FRONT L/R .......................................................... 100 W + 100 W S-Video Signal Level /
Dynamic Power Per Channel / (IHF) Y ............................................................................ 1 Vp-p / 75 ohms
FRONT L/R (8/6/4/2 ohms) C ..................................................................... 0.286 Vp-p / 75 ohms
U, C, R, T, K, A, B, G, E, L models ............... 120/155/190/235 W Component Video Signal Level /
J model ............................................................... ­/130/160/205 W Y ............................................................................ 1 Vp-p / 75 ohms
Dynamic Headroom / Cb/Cr .................................................................. 0.7 Vp-p / 75 ohms
U, C models (8 ohms) ............................................................ 1.4 dB D4-Video Signal Level / (J model)
Damping Factor / Y ............................................................................ 1 Vp-p / 75 ohms
FRONT L/R (20 Hz to 20 kHz, SPEAKER-A, 8 ohms) ...... 120 or more Cb/Cr .................................................................. 0.7 Vp-p / 75 ohms
Input Sensitivity/Input Impedance / Video Maximum Input Level /
(1 kHz, 100 W/8 ohms) VIDEO CONV. OFF .............................................. 1.5 Vp-p or more
PHONO (MM) ................................................... 3.5 mV / 47 k-ohms Video Signal to Noise Ratio /
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)
SUBWOOFER Component video signal level ...................... 5 Hz to 60 MHz, -3 dB
.................................................................... 200 mV / 47 k-ohms D4-video signal level (J model) .................... 5 Hz to 60 MHz, -3 dB
Maximum Input Signal Level /
PHONO (MM) (1 kHz, 0.1 % THD) .......................... 60 mV or more I FM Section /
CD, etc. (Effect on) (1 kHz, 0.5 % THD) .................... 2.3 V or more 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 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.)
.......................................................................... 1.0 V / 1.2 k-ohms Mono ..................................................................... 2.8 µV (20.2 dBf)
[RX-V661 (U, C, R, T, K, A, G, E, L models)/HTR-6060 (G model)] Signal to Noise Ratio / (IHF)
ZONE2 OUT ................................................. 200 mV / 1.2 k-ohms Mono / Stereo ............................................................. 73 dB / 70 dB
Headphone Jack Rated Output/Impedance / Harmonic Distortion / (1 kHz)
Mono / Stereo ............................................................. 0.5 % / 0.5 %
CD, etc. (1 kHz, 50 mV, 8 ohms) ..................... 150 mV / 100 ohms Antenna Input / ......................... 75 ohms unbalanced
Frequency Response / (10 Hz to 100 kHz)
CD, etc. to FRONT L/R (Pure direct) .............................. +0/-3.0 dB I AM Section /
RIAA Equalization Deviation / (20 Hz to 20 kHz) Tuning Range /
PHONO (MM) .................................................................. 0 ± 0.5 dB U, C models .......................................................... 530 to 1,710 kHz
Total Harmonic Distortion / (20 Hz to 20 kHz) R, L models ................................... 530 to 1,710 / 531 to 1,611 kHz
PHONO (MM) to REC OUT (1 V) .............................. 0.02 % or less T, K, A, G, E, J models ......................................... 531 to 1,611 kHz
CD, etc. (2ch stereo) to FRONT L/R SP OUT (50 W, 8 ohms) Antenna Input / .................................... Loop antenna
................................................................................. 0.06 % or less



10
RX-V661/HTR-6060/DSP-AX761


· SCENE TEMPLATE
Program Select (Default)
I General / R, T, K, A,
SCENE name Contents Source U, C
Power Supply / "iPod" is a trademark of Apple Computer, Inc., registered in the U.S. Mode Sub-mode G, E, L, J B model
and other countries. models
U, C models ........................................................... AC 120 V, 60 Hz models
R model ................................ AC 110/120/220/230-240 V, 50/60 Hz DVD Viewing DVD Movie DVD STRAIGHT ­ O (SCENE 1) O O
T model .................................................................. AC 220 V, 50 Hz
DVD Movie Viewing DVD MOVIE Sci-Fi O O (SCENE 1) O (SCENE 1)
K model .................................................................. AC 220 V, 60 Hz
A model .................................................................. AC 240 V, 50 Hz DVD Live Viewing Music Live DVD ENTERTAINMENT Music Video O O O
B, G, E models ....................................................... AC 230 V, 50 Hz DVR Viewing DVR DVR MOVIE Drama O O O
L model .............................................. AC 220/230-240 V, 50/60 Hz Disc Hi-fi Listening DVDA/SACD/CD Music Disc DVD PURE DIRECT ­ O O O
J model ............................................................ AC 100 V, 50/60 Hz "HDMI", the "HDMI" logo and "High-Definition Multimedia Interface"
are trademarks or registered trademarks of HDMI Licensing LLC. Music Disc Listening DVD STEREO 2ch Stereo O O (SCENE 2) O (SCENE 2)
Power Consumption / Disc Listening DVD STEREO 7ch Stereo O (SCENE 2) O O
U, C models ............................................................ 380 W / 480 VA CD Hi-fi Listening CD Music Disc CD PURE DIRECT ­ O O O
R, T, K, A, B, G, E, L models ................................................ 390 W
CD Listening CD STEREO 2ch Stereo O O O
J model .................................................................................. 270 W
CD Music Listening CD STEREO 7ch Stereo O O O
Standby Power Consumption (reference data) /
U, C, T, K, A, B, G, E, L, J models ......................................... 0.1 W Radio Listening TUNER/RADIO FM/AM FM/AM (TUNER) MUSIC ENHANCER 7ch Stereo O (SCENE 4) O (SCENE 4) O (SCENE 4)
Maximum Power Consumption / (6ch drive, 10 % THD) XM Listening (U, C models) XM XM MUSIC ENHANCER 7ch Stereo O ­ ­
"SILENT CINEMA" is a trademark of YAMAHA CORPORATION.
R model .................................................................................. 800 W iPod Listening DIGITAL AUDIO PLAYER iPod DOCK (V-AUX) MUSIC ENHANCER 7ch Stereo O O O
AC Outlets / TV Viewing TV DTV/CBL STRAIGHT ­ O (SCENE 3) O (SCENE 3) O (SCENE 3)
2 switched outlets TV Sports Viewing DTV/CBL ENTERTAINMENT Sports O O O
U, C, T, J models ............................................... 100 W max. total Action Game Playing GAME Action V-AUX ENTERTAINMENT Action Game O O O
R, G, E, L models ................................................. 50 W max. total
RPG Playing RPG V-AUX ENTERTAINMENT Role-playing Game O O O
1 switched outlet
A, B models ................................................................ 100 W max. The XM name and related logos are registered trademarks of XM LP Record Listening LP Record LP PHONO PURE DIRECT ­ O O O
Satellite Radio Inc.
Dimensions / (W x H x D)
............................ 435 x 171 x 393 mm (17-1/8" x 6-3/4" x 15-1/2")
Weight /
...................................................................... 11.6 kg (25 lbs. 9 oz.) · SOUND/SURROUND SELECT MENU
Finish /




ROOM SIZE (0.1 to 2.0, 0.1 step)


ROOM SIZE (0.1 to 2.0, 0.1 step)




Surround Back ROOM SIZE (0.1 to 2.0, 0.1 step)
[RX-V661] Neural Surround TM name and related logos are trademarks owned
Gold color ................................................................... R, T models by Neural Audio Corporation.




INIT. DELAY (1 to 99 ms)




INIT. DELAY (1 to 99 ms)
Black color ............................................... U, C, R, A, G, E models




INIT. DELAY (1 to 99ms)
CT/SL/SR/SB/PL/PR LEVEL (0 to100 %)
Titanium color ..................................... C, R, K, A, G, E, L models
[HTR-6060]




LIVENESS (1 to 10)




LIVENESS (1 to 10)




CENTER IMAGE (0 to 1.0 , 0.1 step)
Black color .................................................................. U, C models




REV. TIME (1.0 to 5.0 s, 0.1 step)
ROOM SIZE (0.1 to 2.0, 0.1 step)
Titanium color .................................................................. G model




DIMENSION (-3 to STD to +3)
[DSP-AX761]




DSP LEVEL (-6 dB to +3 dB)




EFFECT LEVEL (High/Low)
REV. DELAY (0 to 250 ms)
Gold color .......................................................................... J model




REV. LEVEL (0 to100 %)




CENTER WIDTH (0 to 7)
INIT. DELAY (1 to99ms)
Titanium color .................................................................. B model




PANORAMA (Off/On)
DIALOG LIFT (0 to 5)
Accessories /




LIVENESS (1 to 10)
Remote control x 1, Batteries (R6, AA, UM-3) x 2 (U, C, R, T, A, L, J · DIMENSIONS




DIRECT (On/Off)