ONKYO TXNR801 Service Manual

Cover page of ONKYO TXNR801 Service Manual

Service Manual for ONKYO TXNR801, downloadable as a PDF file.

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TX-NR801/E
SERVICE MANUAL
SERVICE MANUAL
AV RECEIVER
MODEL
TX-NR801/E
Ref. No. 3785
102003
Black, Golden and Silver models
BMDD,BMDC
120V, AC 60Hz
GMWT,GMWR
120/220~230V, AC 50/60Hz
BMPP, SMPP,BMPA,GMPA
230~240V, AC 50Hz
GMGK
220V, AC 50Hz
DSP
A-FORM LISTENING MODE MEMORY
THX
SURROUND
DIRECT/PURE AUDIO
STEREO
FM MODE
MEMORY
ENTER
RETURN
SETUP
TUNING
PRESET
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
1
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TX-NR801/E
SERVICE MANUAL
SERVICE MANUAL
AV RECEIVER
MODEL
TX-NR801/E
Ref. No. 3785
102003
Black, Golden and Silver models
BMDD,BMDC
120V, AC 60Hz
GMWT,GMWR
120/220~230V, AC 50/60Hz
BMPP, SMPP,BMPA,GMPA
230~240V, AC 50Hz
GMGK
220V, AC 50Hz
DSP
A-FORM LISTENING MODE MEMORY
THX
SURROUND
DIRECT/PURE AUDIO
STEREO
FM MODE
MEMORY
ENTER
RETURN
SETUP
TUNING
PRESET
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
1
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TX-NR801/E
SPECIFICATIONS
AMPLIFIER SECTION
TUNER SECTION
FM
AM
GENERAL
Specifications and features are subject to change without
notice.
Continuous average power output (FTC) (USA and Canadian mod-
els):
All channels:
100 W per channel min. RMS
into 8
, 2 channels dri ven fr
om
20 Hz to 20 kHz with no mor
e
than 0.08% total harmonic dis-
tortion.
130 W min. RMS into 6
,
2 channels dri ven, 1 kHz with no
more than 0.1% total harmonic
distortion.
Continuous po wer output (DIN)
(European model):
135 W at 6
Maximum power output (EIAJ)
(Asian model):
160 W at 6
Dynamic po wer output (stereo)
2
250 W at 3
2
210 W at 4
2
130 W at 8
Total Harmonic Distortion:
0.08% at rated po wer
0.08% at 1 W output
IM Distortion:
0.08% at rated power
0.08% at 1 W output
Damping f actor:
60 at 8
Input sensiti vity and impedance
PHONO:
2.5 mV , 50 k
LINE (CD, TAPE, DVD,
VIDEO 1-5):
200 mV , 50 k
MULTICHANNEL INPUT
(FR ONT L/C/R, SUR-
ROUND L/R, SURR OUND
BA CK L/R):
200 mV , 50 k
(SUBW OOFER):
36 mV , 50 k
CO AXIAL 1, 2, 3 (DIGI-
TAL):
0.5 Vp-p, 75
DVD, VIDEO 1, 2, 3, 4, 5:
1 Vp-p, 75
(Composite V ideo)
1 Vp-p, 75
(S-V ideo, Y signal)
0.28 Vp-p, 75
(S-V ideo, C sig-
nal)
COMPONENT
VIDEO 1, 2:
1 Vp-p, 75
(Y)
0.7 Vp-p, 75
(PB/CB, PR/CR)
Output level and impedance
Rec out (TAPE, VIDEO 1,2):
200 mV , 470
Pre out:
1 V, 470
ZONE 2 OUT :
100 mV , 470
VIDEO (VIDEO 1, 2, MONI-
TOR OUT , ZONE 2 OUT):
1 Vp-p, 75
(Composite V ideo)
S-VIDEO (VIDEO 1, 2,
MONIT OR OUT):
1 Vp-p, 75
(S-V ideo, Y signal)
0.28 Vp-p, 75
(S-V ideo, C sig-
nal)
COMPONENT VIDEO
OUT : 1 Vp-p, 75
(Y)
0.7 Vp-p, 75
(PB/CB, PR/CR)
Phono overload:
120 mV RMS at 1 kHz, 0.5%
T.H.D.
Frequenc y response:
10 Hz to 100 kHz: +1/-3 dB (CD
in Direct mode)
RIAA deviation:
20 Hz to 20 kHz: ±0.8 dB
Tone Control
Bass:
±10 dB at 50 Hz
Treble:
±10 dB at 20,000 Hz
Signal-to-noise ratio (direct)
PHONO:
Line:
80 dB (IHF A, 5 mV input)
110 dB (IHF A, 0.5 V input)
Ethernet port:
100B ASE-TX
Supported audio file format:
MP3, WMA, WAV (non-compres-
sion, sampling rates of 32 kHz,
44.1 kHz, and 48 kHz supported)
Tuning range
USA & Canadian models: 87.50~108.00 MHz (100 kHz
steps)
Other models:
87.50~108.00 MHz (50 kHz steps)
Usable sensitivity
Mono:
11.2 dBf, 1.0 µV (75 , IHF)
0.9 µV (75 , DIN)
Stereo:
17.2 dBf, 2.0 µV (75 , IHF)
23 µV (75
DIN)
50 dB quieting sensitivity
Mono:
17.2 dBf, 2.0 µV (75 )
Stereo:
37.2 dBf, 20.0 µV (75 )
Capture ratio:
2.0 dB
Image rejection ratio
USA & Canadian models: 40 dB
Other models:
85 dB
IF rejection ratio:
90 dB
Signal-to-noise ratio
Mono:
76dB
Stereo:
70dB
Alternate channel attenuation:Mono 55 dB
Selecti vity:
50dB (DIN)
AM suppression ratio:
50 dB
Total harmonic distortion
Mono:
Stereo:
Frequency response:
30 Hz~15 kHz, ±1.0 dB
Stereo separation:
45 dB at 1 kHz
30 dB at 100 Hz~10 kHz
Tuning range
USA & Canadian models:
530~1,710 kHz (10 kHz steps)
Other than worldwide models:522~1,611 kHz (9 kHz steps)
Worldwide models:
522~1,611 kHz (9 kHz steps), or
530~1,710 kHz (10 kHz steps)
Usable sensiti vity:
30 µV
Image rejection ratio:
40 dB
IF rejection ratio:
40 dB
Signal-to-noise ratio:
40 dB
Total harmonic distortion:
0.7%
Power supply
USA & Canadian models: AC 120V, 60 Hz
European & Australian mod-
els:
AC 230-240V, 50 Hz
Some Asian models:
AC 220-230V, 50/60 Hz
Worldwide models:
AC 220-230V and 120V switch-
able, 50/60 Hz
Power consumption
USA & Canadian models: 8.1A
Other models:
655W
Dimensions (W H
D):
435 175 459 mm
17-1/8" 6-7/8"
18-1/16"
Weight
USA & Canadian models: 16.8 kg (37.1 lbs)
Other models:
17.8 kg (39.3 lbs)
0.2%
0.3%
2
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TX-NR801/E
SERVICE PROCEDURES
1. Replacing the fuses
This symbol located near the fuses indicates
that the fuse used is fast operating type. For continued
protection against fire hazard, replace with same type fuse.
For fuse rating refer to the marking adjacent to the symbol.
Ce symbole indique que le fusible utlise est a
rapide. Pour une protection permanente, n'untiliser que
fusibles de meme type. Ce darnier est la qu le present
symbol est appse.
Note: <D>: 120V model only
<O>: Except 120V model
<T>: Worldwide model only
<R>: Chinese model only
CIRCUIT NO.
PART NO.
DESCRIPTION
F901
252199
10A-UL,Fuse <D/T/R>
F902
252077,
4A-SE-EAK,
252243 or
4A-SE-TL250V or
252277
4A-SE-TL250V <O>
F903
252164 or
5A-UL/T-237 or
252258
5A-T/UL-ST2,Fuse <D>
252075,
2.5A-SE-EAK,
252241 or
2.5A-SE-TL250V or
252275
2.5A-SE-TL250V,Fuse <O>
F9501,F9502
252160 or
2.5A-UL/T-237 or
252254
2.5A-T/UL-ST2,Fuse <D>
252075,
2.5A-SE-EAK,
252241 or
2.5A-SE-TL250V or
252275
2.5A-SE-TL250V,Fuse <O>
F9503,F9504
252158 or
1.6A-UL/T-237 or
252252
1.6A-T/UL-ST2,Fuse <D>
252073,
1.6A-SE-EAK,
252239 or
1.6A-SE-TL250V or
252273
1.6A-SE-TL250V,Fuse <O>
2. To initialize the unit
This device employs a microprocessor to perform various
functions and operations. If interference generated by an
external power supply, radio wave, or other electrical source
results in accident which causes the specified operations
and functions to operate abnormally.
To perform a result, please follow the procedure below.
1.Press the STANDBY ON button to turn on the unit.
2.Press and hold down the VIDEO 1 button, then press the
STANDBY/ON button.
3.After "CLEAR" is displayed, the preset memory and each
mode stored in the memory, such as surround, are
initialized and will return to the factory setting.
4.Unplug the power supply cord.
4. Memory Preservation
This unit does not require memory preservation batteries. A
built-in memory power back-up system preserves the contents
of the memory during power failures and even when the unit is
unplugged.The unit must be plugged in order to charge the
back-up system.
The memory preserv ation period after the unit has been
unplugged varies depending on climate and placement of the
unit. On the average, memory contents are protected over a
period of a fe w weeks after the last time the unit has been
unplugged.This period is shorter when the unit is exposed to a
highly humid climate.
5.Setting the voltage selector
(Worldwide models only)
Worldwide models are equipped with a voltage selector so
that you
supplies. Be
can set your TX-NR801 to conform with local power
sure to set this switch to match the voltage of
your area before plugging in the unit.
Determine the proper voltage for your area: 220-230 V or
the preset voltage is not correct for your area,
into the groove in the switch and slide
(220-230 V), whichever is appropriate.
the power supply in
120 V. If
insert a screwdriver
the switch all the way to the top (120 V) or bottom
3. Safety-check out
(U.S.A. model only)
After correcting the original service problem, perform the
following safety check before releasing the set to the customer.
Leakage Current Check
Measure leakage current to a known earth ground(water pipe,
conduit, etc.) by connecting a leakage current tester between
the earth ground and exposed metal parts of the appliance
(input/output terminals, screwheads,metal overlays, etc.).
Plug the power supply cord directly into a 120V AC 60 Hz outlet
and turn Standby switch on. Any current meausred must not
exceed 0.5mA.
SURR
BACK/
ZONE 2
SPEAKERS
AUDIO
VIDEO
S VIDEO
MONITOR
OUT
R
L
IN
IN
IN
IN
IN
ZONE 2
DVD
VIDEO 1
VIDEO 2
VIDEO 3
VIDEO 4
AUDIO
VIDEO
S VIDEO
COMPONENT
VIDEO
Y
PB
PR
OUTPUT
INPUT 1
Y
PB
PR
INPUT 2
Y
PB
PR
FRONT SPEAKERS
L
RL
R
SURR SPEAKERS
CENTER
SPEAKER
R
L
R
L
OUT
OUT
OUT
I R
IN
OUT
REMOTE
CONTROL
PHONO
DIGITAL
IN
PRE OUT
DIGITAL
OUT
OPT
OPT
2
1
2
1
2
3
FRONT
SUB
SURR
R
L
AUDIO
R
L
CD
TAPE
R
L
AUDIO
1
3
GND
SURR
BACK/
ZONE 2
IN
OUT
COAX
R
L
MULTI CH
INPUT
FRONT
SUB
SURR
SURR
BACK
CENTER
R
L
R
L
AM
FM
75
CENTER
ANTENNA
IN
IN
(Net-Tune)
ETHERNET
4 OHMS MIN. OR
6 OHMS MIN.
/SPEAKER
CAUTION:
SPEAKER
IMPEDANCE
SEE INSTRUCTION
MANUAL FOR
CORRECT SETTINGS.
AV RECEIVER
MODEL NO.
TX-NR
801
VOLTAGE
SELECTOR
220-230V
120V
AC OUTLETS
AC 230-240V
50 Hz
SWITCHED
TOTAL 100W MAX.
120V
VOLTAGE
SELECTOR
220-230V
6.AM Frequenc y Step Sub-menu
orldwide model Only)
This sub-menu only appears on the worldwide model.
The setting in this sub-menu determines the incremental
or decremental amount when adjusting the AM tuner
frequenc y. The initial setting is 9 kHz, and this needs
only to be changed if you are using the TX-NR801/
TX-NR801E in a 10 kHz region.
a. Frequency Step
9 kHz: Select when you use the TX-NR801/
TX-NR801E in North America.
10 kHz: Select when you use the TX-NR801/
TX-NR801E in other than USA and Canada.
0-5.AM Frequency Step
a.Frequency Step
:9 kHz
Quit:[SETUP]
3
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TX-NR801/E
FRONT PANEL VIEW
To select an input source, press the desired button
(REC OUT or ZONE 2) and then press one of the
input source b utton within 8 seconds.That source will
be output for recording or vie wing in the remote zone.
To set the output to the source channel, press the
desired b
utton (REC OUT or ZONE 2) twice in suc-
cession.To turn of f the output, press the desired but-
ton (REC OUT or ZONE 2) and then press the OFF
button within 8 seconds.
Note:
The Rec Out and Zone 2 buttons use the same cir
-
cuit and therefore cannot be used at the same time.
When REC OUT is selected, nothing is output to
Zone 2.When ZONE 2 is selected, REC OUT is
automatically fix ed to SOURCE.
SETUP button
Press to enter the Setup Menu. The OSD Menu will
appear on the TV monitor as well as the front dis-
play on the TX-NR801/TX-NR801E.
ENTER button
Press to display the screen for the item that is
selected in the Setup Menu.
RETURN button
In the Setup Menu, press to go back one level. If
pressed while at the Main Menu, you will exit the
Setup Menu.
MASTER VOLUME dial
Use to control the volume in the main zone. The vol-
ume for the remote zone (Zone 2) is independent.
VIDEO 5 INPUT terminals
For connecting a video camera or g ame de vice.
Input source buttons and indicators (DVD,
VIDEO 1~5, TAPE, TUNER, PHONO, CD, and
NET AUDIO)
Press these b uttons to select the input source for the
main zone.
To select the input source for the remote zone (Zone
2) or recording out (REC OUT), first press the
ZONE 2 or REC OUT b utton, and then press the
desired input source button.The input channel with
its indicator lit red is output to REC OUT and the
one with its indicator lit green is output to ZONE 2.
UPSAMPLING indicator
Lights during upsampling. This function is available
when the input source is Analog/PCM and the lis-
tening mode is set to the stereo or surround mode.
PHONES jack
This is a standard stereo jack for connecting stereo
headphones.
PURE AUDIO indicator
Lights during pure audio playback.
A Input signal path indicators
Shows from which terminal the input signal is com-
ing.
B Listening mode or digital input format
indicators
One of these indicators lights to sho w the format of
the current input source. In addition, one of the lis-
tening mode indicators lights to indicate the current
listening mode.
C Tuning indicators
AUTO indicator
Lights when recei ving FM broadcasts in the stereo
mode.Turns off when placed into the monaural
mode.
RDS indicator (Eur opean models only)
Lights when an RDS station is being received.
TUNED indicator
Lights when a radio station is being received.
FM STEREO indicator
Lights when an FM broadcast station is being
recei ved in stereo.Turns of f when placed into the
monaural mode.
D Multi function display
During normal operation, sho ws the current input
source and volume. When the FM or AM input is
selected, shows the frequenc y and preset number
.
When the DISPLAY button is pressed, sho ws the
listening mode and input source format. However,
does not sho w the source format when the FM or
AM source is selected.
E Volume display
Shows the v olume le vel.
F SLEEP indicator
Lights when the sleep timer is turned on.
Front Panel Display
4
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TX-NR801/E
FRONT PANEL VIEW
POWER switch (for all models other than
USA, Canadian and Australian models)
Press to turn on and off the main power supply for
the TX-NR801/TX-NR801E. When the TX-NR801/
TX-NR801E is turned on with the POWER switch,
the ST ANDBY indicator lights.
* Before turning on the power, check to mak e sure
that all cords are properly connected.
* When the power is turned on, a sudden surge of cur-
rent will occur that may adv ersely af fect the opera-
tion of other devices.To prevent this, do not plug the
TX-NR801/TX-NR801E into the same circuit used
by sensitive equipment, e.g., computers.
STANDBY/ON button
If pressed with the POWER switch turned on (with
the receiver plugged in for USA, Canadian and Aus-
tralian models), the TX-NR801/TX-NR801E turns
on and the display lights up. If pressed again, the
TX-NR801/TX-NR801E returns to the standby state.
In the standby state, the display is turned of f and the
TX-NR801/TX-NR801E cannot be operated.
STANDBY indicator
Lights when the TX-NR801/TX-NR801E is in the
standby state and when a signal is received from the
remote controller.
.
AUDIO SELECTOR button
Press to select the type of audio input signal.
DIRECT/PURE AUDIO button
Press to switch between the direct and pure audio
listening modes.
Remote control sensor
DISPLAY button
Press to display information about the current input
source signal. Each time you press the DISPLAY
button, the screen changes to show you dif ferent
information concerning the input signal.
DIMMER button (Other than European
models)
Press to set the brightness of the front display.
.
There are
three settings available: normal, dark, and very dark.
The brightness of the front display can also be
changed using the remote controller
.
RT/PTY/TP button (European models only)
This b utton is only available on European models.
Press this button to tune into the Radio Data System
(RDS) for FM broadcasting. RDS was de veloped
within the European Broadcasting Union (EBU)
and is available in most European countries. Each
time the button is pressed, the display changes from
RT(radio te xt) to PTY (program type) to TP (traffic
program) and then back to RT again.
STEREO button
Selects for the stereo listening mode.
SURROUND button
Selects for the Dolby Pro Logic II, DTS Neo:6,
Dolby Digital, or DTS listening modes.
THX button
Selects for the THX listening mode.
DSP
/
buttons
Switches to the DSP (Digital Signal Processing) modes.
Front display
MEMORY button
Press to assign the radio station to which you are
currently tuned to a preset channel or press to delete
a previously preset station.
FM MODE button
Press to change the stereo mode from AUTO to
MONO and vice versa. Each time this button is
pressed, the AUTO indication turns on and of f indicat-
ing the current mode. If you are listening to an FM
radio station in stereo and the sound cuts out or there is
a great deal of noise, switch from AUTO to MONO.
TUNING
/
, PRESET
/
buttons
To tune into a radio station, press the TUNING
/
buttons.The tuner frequenc y is displayed in the
front display and it can be changed in 100-kHz (or
50-kHz) increments for FM and 10-kHz (or 9-kHz)
increments for AM.
When FM is selected as the input source, you can hold
down either the TUNING
or
button and then
release it to activate the auto-search feature. It will
search for a station in the direction of the button you
pressed and stop when it tunes into one. When navigat-
ing through the menu settings, these buttons move the
cursor up or do wn (or change the highlighted item).
To select a radio station that was stored using the
MEMORY button, press the PRESET
/
buttons.
When navigating through the menu settings, these
buttons select the v alue or item that you selected
with theTUNING
/
buttons.
When you press the SETUP button, the TUNING
and PRESET buttons become cursor buttons to be
used for Setup Menu operations.
REC OUT/ZONE 2/OFF buttons
These buttons allow you to use the TX-NR801/
TX-NR801E to output to a remote zone (Zone 2) or
to another component for recording (Rec Out). Press
the REC OUT button to output the audio and video
signals to a recording component for recording. Press
the ZONE 2 button to enjo y the output from the
TX-NR801/TX-NR801E in a dif ferent room, which is
referred to as the remote zone (Zone 2).
When either button is pressed, the currently selected
input source for recording or outputting to the remote
zone is displayed in the front panel display. If
"SOURCE" is displayed, then the same input source
as that selected for the main zone will be output.
5

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