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AV RECEIVER

RX-V561/HTR-6050 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-V561/HTR-6050
I CONTENTS
TO SERVICE PERSONNEL .......................................... 2 DISPLAY DATA ..................................................... 26­27
FRONT PANELS ............................................................ 3 IC DATA ................................................................. 28­43
REAR PANELS .......................................................... 3­4 BLOCK DIAGRAMS .............................................. 45­46
REMOTE CONTROL PANEL ........................................ 4 PIN CONNECTION DIAGRAMS .................................. 47
SPECIFICATIONS ...................................................... 4­6 PRINTED CIRCUIT BOARDS................................ 48­60
INTERNAL VIEW ........................................................... 7 SCHEMATIC DIAGRAMS ...................................... 61­73
DISASSEMBLY PROCEDURES ............................. 8­10 REPLACEMENT PARTS LIST .............................. 75­85
UPDATING FIRMWARE ........................................ 11­12 REMOTE CONTROL .............................................. 86­87
SELF DIAGNOSIS FUNCTION (DIAG) ................. 13­25 Advanced setup ........................................................... 88




101057 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
'07.07
RX-V561/HTR-6050



I TO SERVICE PERSONNEL
1. Critical Components Information AC LEAKAGE
Components having special characteristics are marked s and WALL EQUIPMENT TESTER OR
must be replaced with parts having specifications equal to those
OUTLET UNDER TEST EQUIVALENT
originally installed.

2. Leakage Current Measurement (For 120V Models Only)
When service has been completed, it is imperative to verify
INSULATING
that all exposed conductive surfaces are properly insulated 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"
"F2251, F2252: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME
TYPE 6A, 125V FUSE."

For C model
CAUTION
F2251, F2252: REPLACE WITH SAME TYPE 6A, 125V FUSE.
ATTENTION
F2251, F2252: UTILISER UN FUSIBLE DE RECHANGE DE MÉME TYPE DE 6A, 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!
RX-V561/HTR-6050




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-V561/HTR-6050




· SCENE TEMPLATE
Filter Characteristics * Specifications are subject to change without notice due to product
FRONT, CENTER, SURROUND, SURROUND BACK small (H.P.F.) improvements. Program
SCENE name Contents Source Select (Default)
................... fc=40/60/80/90/100/110/120/160/200 Hz, 12 dB/oct. Mode Sub-mode
SUBWOOFER (L.P.F.) U .......... U.S.A. model
DVD Viewing DVD Movie DVD STRAIGHT ­ O (SCENE 1)
................... fc=40/60/80/90/100/110/120/160/200 Hz, 24 dB/oct. C .......... Canadian model
DVD Movie Viewing DVD MOVIE THEATER Movie Dramatic O
Multimedia (USB) Applications
................................. Connections USB mass storage class device DVD Live Viewing DVD MUSIC Pop/Rock O
Playback Formats (USB device) DVR Viewing DVR DVR MOVIE THEATER Movie Dramatic O
...................................................... WAV (PCM format), MP3, WMA Disc Hi-fi Listening DVD-Audio / SA-CD / CD Music Disc DVD DIRECT STEREO ­ O
Manufactured under license from Dolby Laboratories.
Supported USB Devices (FAT16 or FAT32 format) "Dolby", "Pro Logic", and the double-D symbol are trademarks of Music Disc Listening DVD STEREO 2ch Stereo O
.................................... USB memory device, Portable audio player Dolby Laboratories. Disc Listening DVD STEREO 5ch Stereo O (SCENE 2)
CD Hi-fi Listening CD Music Disc CD DIRECT STEREO ­ O
I Video Section CD Listening CD STEREO 2ch Stereo O
Video Signal Type (Gray Back) .............................................. NTSC CD Music Listening CD STEREO 5ch Stereo O
"SILENT CINEMA" is a trademark of YAMAHA CORPORATION.
Composite Video Signal Level ............................. 1 Vp-p / 75 ohms Radio Listening TUNER/RADIO FM/AM FM/AM (TUNER) MUSIC ENHANCER 5ch Stereo O (SCENE 4)
S-Video Signal Level USB Audio Listening DIGITAL AUDIO PLAYER USB USB MUSIC ENHANCER 5ch Stereo O
Y ............................................................................ 1 Vp-p / 75 ohms TV Viewing TV DTV/CBL STRAIGHT ­ O (SCENE 3)
C ..................................................................... 0.286 Vp-p / 75 ohms "HDMI", the "HDMI" logo and "High-Definition Multimedia Interface" TV Sports Viewing DTV/CBL ENTERTAINMENT TV Sports O
Component Video Signal Level are trademarks or registered trademarks of HDMI Licensing LLC.
Y ............................................................................ 1 Vp-p / 75 ohms Game Playing GAME V-AUX ENTERTAINMENT Game O
Pb / Pr ................................................................ 0.7 Vp-p / 75 ohms
Video Maximum Input Level ................................. 1.5 Vp-p or more
Signal to Noise Ratio (IHF) ........................................ 50 dB or more "DTS" and "DTS Digital Surround" are registered trademarks of Digi-
tal Theater Systems, Inc. · SOUND/SURROUND SELECT MENU
Monitor Out Frequency Response (VIDEO CONV. OFF)
Component video signal ............................... 5 Hz to 60 MHz, -3 dB Sound Field Parameters
HDMI (HDMI 1.2a) ...................................... Type A (IN x 2, OUT x 1) This unit is equipped with the technologies developed by Analog
Devices, Inc. and others. It is strictly prohibited to use this unit for DSP LEVEL MUSIC ENHANCER
use other than audiovisual purposes.
I FM Section MIN, [MID], MAX LOW, [HIGH]
Tuning Range ....................................................... 87.5 to 107.9 MHz STEREO 2ch Stereo
50dB Quieting Sensitivity (IHF) (1 kHz, 100 % Mod.) 5ch Stereo
Mono ..................................................................... 2.8 µV (20.2 dBf) · DIMENSIONS MUSIC Pop/Rock O




(7/8")
21.7
Signal to Noise Ratio (IHF) Hall O
Mono / Stereo ............................................................. 73 dB / 70 dB Jazz O
Harmonic Distortion (1 kHz) ENTERTAIN Game O
Mono / Stereo ............................................................. 0.5 % / 0.5 % TV Sports O
Antenna Input .................................................. 75 ohms unbalanced MOVIE Movie Spacious O




274.9 (10-13/16")
Movie Dramatic O




317.6 (12-1/2")
I AM Section MUSIC ENHANCER Music Enh. 2ch O
Tuning Range ......................................................... 530 to 1,710 kHz Music Enh. 5ch O
Antenna Input ............................................................. Loop antenna

Surround Decoders
I General
Power Supply .......................................................... AC 120 V, 60 Hz PANORAMA DIMENSION CENTER WIDTH
Power Consumption ................................................. 240 W/320 VA ON, [OFF] -3, [STD], +3 0, 1, 2, [3], 4, 5, 6, 7
Standby Power Consumption (reference data) DECODING FORMAT Dolby Digital
................................................................................................ 0.8 W
(13/16")




DTS
21




AC Outlets POST DECODING FORMAT Dolby Pro-Logic
2 switched outlets ....................... 100 W max. total/0.8 A max. total Dolby Pro Logic II Music O O O
Dimensions (W x H x D) Dolby Pro Logic II Movie
151 (5-15/16")




..................... 435 x 151 x 317.6 mm (17-1/8" x 5-15/16" x 12-1/2")
130 (5-1/8")




Dolby Pro Logic II Game
Weight ............................................................. 8.1 kg (17 lbs. 14 oz.)
Finish
Black color .................................................................... U, C models
Accessories
Remote control x 1, Batteries (R03, AAA, UM-4) x 2, Indoor FM an-
tenna x 1, AM loop antenna x 1, Optimizer microphone x 1 435 (17-1/8")
(13/16")
21




Unit: mm (inch)
5
6
· SET MENU TABLE

CATEGORY MAIN MENU SUB MENU SELECT MENU VALUE [INITIAL]
AUTO SETUP Use this feature to automatically adjust speaker and system parameters.
MANUAL SETUP 1 SOUND MENU A) SPEAKER SET FRONT B : FRONT [FRONT] / ZONE B
FRONT SP : LARGE SMALL / [LARGE]
CENTER SP : SML NONE / [SML] / LRG
RX-V561/HTR-6050




SUR. L/R SP : SML NONE / [SML] / LRG
LFE/BASS OUT : BOTH SWFR / FRONT / [BOTH]
CROSSOVER : 80 Hz 40 / 60 / [80] / 90 / 100 / 110 / 120 / 160 / 200 Hz
SUBWOOFER PHASE : NORMAL [NORMAL] / REVERSE
B) SPEAKER LEVEL FL · · · · · || · · · · ·
FR · · · · · || · · · · ·
C · · · · · || · · · · ·
-10 dB to +10 dB [CENTER (0)], 1 dB step
SL · · · · · || · · · · ·
SR · · · · · || · · · · ·
SWFR · · · · · || · · · · ·
C) SP DISTANCE UNIT : feet feet / meters
FRONT L : 10.0 ft
FRONT R : 10.0 ft
CENTER : 10.0 ft
feet : 1.0 to 80.0 ft [10.0 ft], 0.5 ft step
SUR. L : 10.0 ft
SUR. R : 10.0 ft
SWFR : 10.0 ft
FRONT L : 3.00 m
FRONT R : 3.00 m
CENTER : 3.00 m
meters : 0.30 to 24.00 m [3.00 m], 0.10 m step
SUR. L : 3.00 m
SUR. R : 3.00 m
SWFR : 3.00 m
D) CENTER GEQ TEST : > OFF ON [OFF] / ON
100 Hz - - || - - 0 dB
300 Hz - - || - - 0 dB
1 kHz - - || - - 0 dB -6.0 dB to +6.0 dB [0 dB], 0.5 dB step
3 kHz - - || - - 0 dB
10 kHz - - || - - 0 dB
E) LFE LEVEL SPEAKER : 0 dB -20 dB to 0 dB [0 dB], 1 dB step
HEADPHONE : 0 dB -20 dB to 0 dB [0 dB], 1 dB step
F) DYNAMIC RANGE SP D. R. : MAX MIN / STD / [MAX]
HP D. R. : MAX MIN / STD / [MAX]
G) AUDIO SET MUTE TYPE : FULL [FULL] / -20 dB
A. DELAY : 0 ms [0 ms] to 160 ms, 1 ms step
MAX VOL. : +16 dB [+16 dB] / +10 dB / +5 dB / 0 dB / -5 dB / -10 dB / -15 dB / -20 dB / -25 dB / -30 dB
INI. VOL. : OFF [OFF] / -80 dB to +16 dB, 1 dB step
2 INPUT MENU A) INPUT ASSIGN COAXIAL IN (1) : DVD CD / MD/CD-R / [DVD] / DTV/CBL / V-AUX / DVR
OPTICAL IN (2) : DTV/CBL CD / MD/CD-R / DVD / [DTV/CBL] / V-AUX / DVR
OPTICAL IN (3) : CD [CD] / MD/CD-R / DVD / DTV/CBL / V-AUX / DVR
B) INPUT RENAME CD / MD/CD-R / DVD / DTV/CBL / V-AUX / DVR
Input is possible to 8 characters
Input possible Character type:
Capital/ A to Z, Small/ a to z, Figure/ 0 to 9, Space, Marks/ # * + , - . / : < > ?
C) VOLUME TRIM CD / MD/CD-R / TUNER / DVD / DTV/CBL / V-AUX / DVR / USB / MULTI CH INPUT
-6.0 dB to +6.0 dB, [0.0 dB], 1.0 dB step
D) DECODER MODE [AUTO] / LAST
CD / MD/CD-R / DVD / DTV/CBL / [AUTO] / DTS
V-AUX / DVR
E) MULTI CH SET [LAST] / DVR / V-AUX / DTV/CBL / DVD
3 OPTION MENU A) DISPLAY SET DIMMER :0 -4 to [0], 1 step
FL SCROLL : CONT [CONT] / ONCE
OSD SHIFT :0 -5 to +5, [0], 1step
OSD-SOURCE : 30 s 10s / [30s] / ON
OSD-AMP : 30 s 10s / [30s] / ON
B) MEMORY GUARD MEMORY GUARD : OFF [OFF] / ON
C) AUDIO SELECT DEFAULT : AUTO [AUTO] / LAST
D) PARAM. INI [NO] / YES
E) USB PLAY STYLE REPEAT : OFF [OFF] / SINGLE / ALL
SHUFFLE : OFF [OFF] / ON
SIGNAL INFO 1 FORMAT (Signal format) Analog / PCM / DolbyD / DTS / Digital / --- / ???
2 SAMPLING xxx kHz
3 CHANNEL 3/2/0.1 (Front/Surround/LFE) / 1+1
4 BITRATE (Bit rate) xxx kbps
5 FLAG DolbyD / DTS / PCM / None
RX-V561/HTR-6050



I INTERNAL VIEW

· Top view
1 2 3 4 5 6 7 8 1 OPERATION (3) P.C.B.
2 OPERATION (4) P.C.B.
3 VIDEO (4) P.C.B.
4 Tuner
5 HDMI P.C.B.
6 VIDEO (3) P.C.B.
7 VIDEO (1) P.C.B.
8 DSP P.C.B.
9 MAIN (4) P.C.B.
0 MAIN (1) P.C.B.
A OPERATION (2) P.C.B.
B OPERATION (11) P.C.B.
C Power Transformer
D OPERATION (6) P.C.B.
E OPERATION (10) P.C.B.
C B A 0 9 F OPERATION (1) P.C.B.
G OPERATION (8) P.C.B.
· Front view
H OPERATION (9) P.C.B.
I VIDEO (2) P.C.B.




D E F G H
· Rear view




RX-V561/HTR-6050
I




7
RX-V561/HTR-6050



I DISASSEMBLY PROCEDURES
(Remove parts in the order as numbered.)
Disconnect the power cable from the AC outlet.

1. Removal of Top Cover 2. Removal of Front Panel Unit
a. Remove 4 screws (1), 4 screws (2) and screw (3). a. Remove 6 screws (4). (Fig. 1)
(Fig. 1) b. Remove CB191, CB192, CB235, CB261 and CB408.
b. Slide the top cover rearward to remove it. (Fig. 1) (Fig. 1)
c. Remove the front panel unit. (Fig. 1)



2




Top cover 3



1


Front panel unit
2
CB261


4
CB235



CB408
4
CB192
CB191 Hook
4
RX-V561/HTR-6050




Fig. 1




3. Removal of HDMI P.C.B. 5. Removal of DSP P.C.B.
a. Remove CB905 and CB906. (Fig. 2) a. Remove 18 screws (7), 3 screws (8) and 2 screws
b. Remove 5 screws (5). (Fig. 3) (9). (Fig. 3)
c. Remove HDMI P.C.B.. (Fig. 2) b. Remove cord stopper. (Fig. 2)
c. Remove rear panel. (Fig. 2)
4. Removal of VIDEO (1), (2) and (3) P.C.B.s d. Remove CB512 and CB516. (Fig. 2)
a. Remove CB193, CB305 and CB322. (Fig. 2) e. Remove screw (0). (Fig. 2)
b. Remove 11 screws (6). (Fig. 3) f. Remove the DSP P.C.B. which is connected directly to
c. Remove VIDEO (1), (2) and (3) P.C.B.s. (Fig. 2) the MAIN (1) P.C.B. with connectors. (Fig. 2)




8
RX-V561/HTR-6050




HDMI P.C.B. CB905

CB305 DSP P.C.B.
VIDEO (1) P.C.B. DSP P.C.B.
CB906 CB502
CB501
CB512
Rear panel
CB516

CB193

Cord stopper
0

CB101
CB322
CB104
MAIN (1) P.C.B.

VIDEO (3) P.C.B. VIDEO (2) P.C.B.


Fig. 2




6 5 7 9




RX-V561/HTR-6050
8


Fig. 3




9
RX-V561/HTR-6050




A B
When checking the P.C.B.:
a. Remove the top cover. (Fig. 1)
b. Remove 3 screws (8). (Fig. 3)
c. Remove 5 screw (A) and 4 screws (B). (Fig. 4)
d. Place the P.C.B. upright. (Fig. 5)
e. The rear panel and P.C.B. removed from the chassis
does not work because its grounding is loose.
Be sure to connect the ground of rear panel and MAIN (1)
P.C.B. (G102, G103, G104 and G105) to the chassis with
a ground lead or the like. (Fig. 5)
· Be sure to use the extension cable for servicing for the
following section. (Fig. 6)
DSP P.C.B. CB408_OPERATION (1) P.C.B. CB202:
V2854400 (17P, 300mm)
A A

Fig. 4
Ground lead
Rear panel

MAIN (1) P.C.B.

G104

G103

G105

G102




Ground lead
RX-V561/HTR-6050




Fig. 5
Rear panel


DSP P.C.B.




CB408




OPERATION (1) P.C.B.
V2854400
CB202

Fig. 6




10
RX-V561/HTR-6050



I UPDATING FIRMWARE
After replacing the following parts with the replacement part, be sure to write the latest firmware.
· DSP P.C.B.
· IC201 (DSP P.C.B.)

G Required Tools G Operation Procedures
· DVD or CD player (with DIGITAL OUTPUT (OPTICAL 1. Connect the main unit and DVD/CD player as shown
or COAXIAL) terminal) below. (Fig. 1)
· Optical cable (when OPTICAL terminal is used)
· Digital audio pin cable (when COAXIAL terminal is
used)
· Firmware CD
* To make the firmware CD, download the latest firm-
ware from the specified download source to PC.


Example of OPTICAL terminal

Main unit


DVD/CD player




Optical cable




RX-V561/HTR-6050
Example of COAXIAL terminal

Main unit


DVD/CD player




Digital audio pin cable



Fig. 1



11
RX-V561/HTR-6050




2. While pressing the "STANDBY/ON" key and "SPEAKERS A/B/OFF" key of the main unit simultaneously, connect the power
cable of the main unit to the AC outlet. (Fig. 2)
The FIRMWARE UPDATE mode will then be activated and "SPDIF Upgrade" is displayed. (Fig. 2)

FIRMWARE UPDATE mode
SPDIF Upgrade




"STANDBY/ON" key "SPEAKERS A/B/OFF" key

Fig. 2

3. Connect the power cable of DVD/CD player to the AC outlet.
4. Press the "STANDBY/ON" key of the DVD/CD player.
5. Press the "EJECT" key of the DVD/CD player to open the tray.
6. Put the firmware CD on the tray and close the tray.
7. Press the "PLAY" key of the DVD/CD player.
Then writing of the firmware is started. (Fig. 3)
8. When writing of the firmware is completed, "Upgrade OK", "Please..." and "Turn off!!" are displayed repeatedly. (Fig. 3)

Writing is started. Writing is completed.

Address:XXXXXX Upgrade OK
XXXXXX: Address information of the received data

Please...


Turn off!!
RX-V561/HTR-6050




Fig. 3

* When the version of the firmware to be written is the same as the one existing in the main unit, "Same Version",
"Please..." and "Turn off!!" are displayed repeatedly. (Upgrading is not necessary.)
If the display remains unchanged for more than 10 seconds after starting the firmware CD play procedure, per-
form the firmware CD play procedure again from the beginning.
If "FILE CORRUPTED" is displayed after "Address:XXXXXX", check to make sure that the written data is not
corrupted and perform Steps 1 to 8 of "Operation Procedures" again.
If "Upgrade Failed" is displayed, perform Steps 1 to 8 of "Operation Procedures" again.

9. Press the "STOP" key of the DVD/CD player.
10. Press the "EJECT" key of the DVD/CD player to open the tray.
11. Remove the firmware CD from the tray and close the tray.
12. Turn off the power of the DVD/CD player and disconnect the power cable from the AC outlet.
13. Turn off the power by pressing the "STANDBY/ON" key of the main unit.
* After updating the firmware, be sure to initialize the main unit.


G Confirmation of firmware version and checksum
Confirm that the firmware version and checksum value is updated successfully with the DIAG function.
For more information, refer to "SELF DIAGNOSIS FUNCTION (DIAG)".
* When the displayed firmware version and checksum are different from written firmware version and checksum, follow
the steps from 1 to 13 of "Operation Procedures" again.
12
RX-V561/HTR-6050



I SELF DIAGNOSIS FUNCTION (DIAG)
This unit has self diagnosis functions that are intended for inspection, measurement and location of faulty point. No. DIAG menu Sub-menu
There are 18 DIAG menu items, each of which has sub-menu items. 14 IF STATUS IF 1
Listed in the table below are menu items and sub-menu items. (Not applied to these models.) IF 2
Note that not all menu items listed will apply to the models covered in this service manual. IF 3
IF 4
No. DIAG menu Sub-menu IF 5
1 BYPASS ANLOG BYPASS IF 6
DSP BYPASS IF 7
2 AUDIO CHECK AUDIO CHECK IF 8
3 SPEAKERS SET FRNT : SML 0dB IF 9
CENTER NONE IF 10
LFE/B : FRNT IF 11
TONE : MAX IF 12
TONE : MIN IF 13
4 6CH-INPUT 6ch INPUT 6-ohm IF 14
6ch INPUT 8-ohm IF 15
LIM : , PLDET : , THM IF 16
5 MIC CHECK MIC CHECK IF 17
6 FL/OSD CHECK VFD CHECK 15 PROTECTION PRD L :
VFD DISP OFF PRD H :
VFD DISP ALL PRV L :
VFD DIMMER PRV H :
CHECK PATTERN THM :
7 TEST TONE TEST ALL PLD8 L :
TEST FRNT L PLD8 H :
TEST CENTER PLD6 L :
TEST FRNT R PLD6 H :
TEST SURR R PRI
TEST SURR L PDET
TEST LFE 16 PROTECTION HISTORY History 1
8 FACTORY PRESET PRESET INHI History 2
PRESET RSRV History 3
9 AD DATA CHECK PD : , PV : History 4
TH : , PL : 17 SOFT SWITCH SW MODE
PI : , DE : MODEL
K0 : , K1 : DESTINATION
10 XM STATUS 1k ­ 1dB/44 TUNER DESTINATION
(Not applied to these models.) 1k ­61dB/44 VIDEO FORMAT
MUTE /44 AAC (Not applied to these models.)
XM TONE /44 OSD
ISO TONE/44 YPAO
1k ­ 1dB/32 RDS
1k ­61dB/32 XM (Not applied to these models.)
MUTE /32 DAB (Not applied to these models.)
XM TONE /32 USB
ISO TONE/32 DOCK (iPod) (Not applied to these models.)
BUS PWR : OFF 18 ROM VER/SUM VERSION
11 DOCK DOCK : ALL CHECKSUM
(Not applied to these models.) DOCK IGNORE PROGRAM CHECKSUM
12 USB USB FILE 1 SPI CHECKSUM
USB FILE 2 SPD CHECKSUM
13 DAB DAB 1 XM VERSION (Not applied to these models.)
(Not applied to these models.) DAB 2 DAB VERSION (Not applied to these models.)
DAB 3 FlashROM TEST
SDRAM TEST
EEPROM TEST

13
RX-V561/HTR-6050


· Starting DIAG When there is a history of protection function:
Press the "STANDBY/ON" key while simultaneously pressing those two keys of the main unit as indicated in the figure When there is a history of protection function due to excess current
below.

Keys of main unit
PRI PRT:xxx
AD value when the protection function is working


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.
Turn on the power while pressing these keys. 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.

Note)
· Starting DIAG in the protection cancel mode · Applying the power to the main unit without correcting the abnormality can be dangerous and cause addi-
If the protection function works and causes hindrance to trouble diagnosis, cancel the protection function as described tional circuit damage. To avoid this, if "PRI" and "PRD" protection function has been activated 3 times
below, and it will be possible to enter the DIAG mode. (The protection functions other than the excess current detect continuously, the power will not turn on even when the "STANDBY/ON' key is pressed. In order to turn on
function will be disabled.) the power again, disconnect the power cable of the main unit from the AC outlet once and then reconnect it
again.
Press the "STANDBY/ON" key while simultaneously pressing those two keys indicated in the figure above. At this time, · The output transistors in each amplifier channel should be checked for damage before applying power of
the main unit.
keep pressing those two keys for 3 seconds or longer.