Onkyo TX-NR901 Service Manual and Repair Guide

TX-NR901 SERVICE MANUAL SERVICE MANUAL AV RECEIVER Black and Golden models MODEL TX-NR901 Ref. No. 3786 112003 BMDD,BMDC 120V, AC 60Hz GMWT,GMWR 120/220~230V, AC 50/60Hz BMPA,GMPA 230~240V, AC 50Hz GMGK 220V, AC 50Hz --/--- @. -' / ABC DEF PQRS TUV WXYZ DIRECT TUNING GHI JKL MNO CAPS DELETE LANGUAGE LOCATION ALBUM ARTIST GENRE PLAYLIST CUSTOM DISPLAY DIMMER TV INPUT SLEEP RANDOM REC STEP/SLOW MUTING ENTER LAST M ANGLE SUBTITLE AUDIO MEMORY SEARCH A-B REPEAT ON STANDBY TV TV CH TV VOL A U DIO A D J E XIT G U ID E +10 0 CLEAR 1 2 3 4 5 6 7 8 9 INPUT TOP MENU M E N U S E T U P R E T U R N ZONE2 INPUT MODE MACRO VOL CH DISC TEST TONE CH SEL PURE A SURR DIRECT STEREO Re-EQ THX All ST LEVEL+ LEVEL- L NIGHT AUDIOSEL DSP DSP + - + - STANDBY/ON STANDBY MASTER VOLUME TUNER PHONO NET AUDIO CD TAPE DVD VIDEO 3 VIDEO 5 VIDEO 4 VIDEO 2 VIDEO 1 VCR 2 VCR 1 ZONE2( ) GRN REC ( ) RED AUDIO SELECTOR DISPL AY PURE AUDIO UPSAMPLING PUSH TO OPEN 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.

TX-NR901/E SPECIFICATIONS Amplifier Section Video Section Tuner Section FM AM General Video Inputs Video Outputs Audio Inputs Audio Outputs Other Sockets Specifications and features are subject to change without notice. Power output: All channels: 110 W (8 , 20 Hz–20 kHz, FTC) (American Model) 180 W (6 , 1 kHz, EIAJ) (Asian Model) 150 W (6 , 1 kHz, DIN) (Australian model) Dynamic power: 2 x 280 W (3 , front) 2 x 220 W (4 , front) 2 x 140 W (8 , front) THD (total harmonic distortion): 0.08% (rated power) Damping factor: 60 Input sensitivity and impedance: 200 mV/50k (LINE) 2.5 mV/50k (PHONO MM) Output level and impedance: 200 mV/470 (REC OUT) Phono overload: 120 mV (MM, 1 kHz, 0.5%) Frequency response: 10 Hz–100 kHz/+1 dB, –3 dB (CD, Direct) Tone control: ±10 dB, 50 Hz (BASS) ±10 dB, 20,000 Hz (TREBLE) S/N ratio (Direct mode):110 dB (LINE, IHF-A, 0.5 V input) 80 dB (PHONO, IHF-A, 5 mV input) Speaker impedance: 4–16 Input sensitivity, output level and impedance: 1.0 Vp-p/75 (component and S-V ideo Y) 0.7 Vp-p/75 (component P B/CB, PR/CR) 0.286 Vp-p/75 (S-Video C) 1.0 Vp-p/75 (composite) Component video frequenc y response: 5 Hz–50 MHz Tuning frequency range:87.5–108.0 MHz Usable sensitivity: FM STEREO 17.2 dBf, 2.0 μV (75 IHF) FM MONO 11.2 dBf, 1.0 μV (75 IHF) S/N ratio: FM STEREO 70 dB (IHF-A) FM MONO 76 dB (IHF-A) THD: FM STEREO 0.3% FM MONO 0.2% FM stereo separation: 45 dB at 1 kHz, 30 dB at 100 Hz–10 kHz Tuning frequency range:530–1710 kHz (American model) 522–1611 kHz (Other models) Usable sensitivity: 30 μV S/N ratio: 40 dB THD: 0.7% Power supply: American model: AC 120 V, 60 Hz Australian model:AC 230–240 V, 50 Hz Others models: AC 220–230 V and 120V switchable 50/60 Hz Power consumption: American model: 9.0 A Australian and Worldwide models: 670 W Standby power consumption: 2.5 W Dimensions (W x H x D): 17-1/8" x 6-7/8" x 18-1/16" (435 x 175 x 459 mm) Weight: American and Australian models: 42.5 Ibs. (19.3 kg) Worldwide models: 42.3 lbs. (19.2 kg) Component video inputs: 2 (Input 1, Input 2) S-Video inputs: 6 (DVD, Video 1–5) V ideo inputs: 6 (DVD, Video 1–5) Component video outputs: 1 (Component Monitor Out) S-Video outputs: 3 (Video 1 Out, V ideo 2 Out, V ideo Monitor Out) Video outputs: 4 (Video 1 Out, V ideo 2 Out, V ideo Monitor Out, Zone 2 Video Out) Digital inputs: 8 (Optical 1–4, Optical Video 5 (fix ed, on front panel), Coaxial 1–3) Analog inputs: 8 (CD, Phono, Tape, DVD, Video 1–4, Video 5) Multichannel analog inputs: 7.1 ch (Front L/R, Center, Surround L/R, Surround Back L/R, Subw oofer) Digital outputs: 2 optical Analog outputs: 4 (Tape Out, Video 1 Out, Video 2 Out, Zone 2 Out) Pre outs: 8 (Front L/R, Center , Surround L/R, Surround Back L/R or Zone 2 L/R, Subwoofer) Subw oofer pre out: 1 Speak er outputs: 7 Phones: 1 RS-232: 1 (not American and Australian models) IR in/out: 1 12V trigger out: 1 Ethernet (Net-T une) 1 (10Base-T, RJ45)

TX-NR901 SERVICE PROCEDURES 1 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. 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. 3. Safety-check out (Only U.S.A. model) After correcting the original service problem, perform the following safety check before releasing the set to the customer. Connect the insulating-resistance tester between the plug of power supply cord and screw on the back panel. Specifications: 3.3Mohm+/-10% at 500V. 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 preservation 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 few weeks after the last time the unit has been unplugged. This period is shorter when the unit is e xposed 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-NR901 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. Note: <D>: 120V model only <A>: Australian model only <T>: Worldwide model only <R>: Chinese model only the power supply in 120 V. If insert a screwdriver the switch all the way to the top (120 V) or bottom REF. NO. PART NO. DESCRIPTION F901 252196 12A-UL/T-314,Fuse <D/T/R> F902 252078 5A-SE-EAK, 252244 or 5A-SE-TL250V or 252278 5A-SE-TL250V, Fuse <T/A/R/K> 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 <T/A/R/K> 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 <T/A/R/K> 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 <T/A/R/K> <K>: Korean model only FM 75 OUT OUT OUT L PHONO DIGITAL IN PRE OUT DIGITAL OUT OPT OPT 2 1 2 3 4 1 2 FRONT SUB SURR R L AUDIO R L CD TAPE R L AUDIO VIDEO S VIDEO MONITOR OUT R L IN IN IN IN IN IN IN ZONE 2 DVD VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 4 AUDIO AUDIO VIDEO S VIDEO 3 GND SURR BACK/ ZONE 2 R L IN ACINLET COAX R ZONE 2 REMOTE CONTROL RS232 IR 12V TRIGGER OUT IN CENTER ETHERNET (Net -Tune) R L MULTI CH INPUT FRONT SUB SURR SURR BACK CENTER R L AM ANTENNA COMPONENT VIDEO Y P P OUTPUT INPUT 1 Y P P INPUT 2 Y P P VOLTAGE SELECTOR 220- 230V 1 20V TX-NR901 MODEL NO. / SURR BACK/ ZONE 2 SPEAKERS FRONT SPEAKERS L R L R SURR SPEAKERS CENTER SPEAKER R L VOLTAGE SELECTOR 220- 230V 1 20V

TX-NR901 SERVICE PROCEDURES 2 This section explains ho w to specify the AM frequenc y step. (This setting is not available on American and Aus- tralian models.) Note: * This procedure can also be performed by using the TX-NR901's [SETUP] button, [ ]/[ ]/[ ]/[ ] buttons, and [ENTER] button. Specifying the AM Frequency Step (Worldwide model only) 1 Press the scroll wheel, and then press the [SETUP] button. The main menu appears onscreen. 2 Use the Up/Down [ ]/[ ] buttons to select "0. Hardware Setup," and then press the [ENTER] button. The Hardware Setup menu appears. 3 Use the Up/Down [ ]/[ ] buttons to select "5. AM Frequency Step," and then press the [ENTER] button. The AM Frequenc y Step menu appears. 4 Use the Up/Down [ ]/[ ] buttons to select "a. Frequency Step," and then use the Left/Right [ ]/[ ] buttons to select: 10 kHz: Select if 10 kHz steps are used in your area. 9 kHz: Select if 9 kHz steps are used in your area. 5 Press the [SETUP] button. The setup menu closes. ENTER ENTER ENTER ENTER 0-5.AM Frequency Step a.Frequency Step :9 kHz Quit:[SETUP] ENTER

TX-NR901 FRONT PANEL 4 6 7 12 11 13 16 19 21 5 8 9 10 15 14 17 18 20 3 26 23 22 25 24 2 27 29 28 30 STANDBY/ON STANDBY MASTER VOLUME TUNER PHONO NET AUDIO CD TAPE DVD VIDEO 3 VIDEO 5 VIDEO 4 VIDEO 2 VIDEO 1 VCR 2 VCR 1 ZONE2( ) GRN REC ( ) RED AUDIO SELECTOR DISPL AY PURE AUDIO UPSAMPLING OFF ON POWER PUSH TO OPEN PHONES ZONE 2 LEVEL STEREO SURROUND THX DSP REC OUT ZONE 2 OFF DIMMER MEMORY FM MODE SETUP ENTER RETURN S VIDEO VIDEO DIGIT AL VIDEO 5 INPUT STANDBY/ON STANDBY MASTER VOLUME TUNER PHONO NET AUDIO CD TAPE DVD VIDEO 3 VIDEO 5 VIDEO 4 VIDEO 2 VIDEO 1 VCR 2 VCR 1 ZONE2( ) GRN REC ( ) RED AUDIO SELECTOR DISPL AY PURE AUDIO UPSAMPLING PUSH TO OPEN PRESET TUNING CLEAR AUDIO L R American and Australian Models Other Models Front door Push here to open the flap 4 6 7 12 11 5 8 9 10 3 1 2

TX-NR901 FRONT PANEL POWER switch American and Australian models don’ t have this switch. This is the main power switch. When set to OFF, the TX-NR901 is completely shutdown. When set to ON, the TX-NR901 is in Standby mode and the STANDBY indicator lights up. Don’t turn on the power until you’ve completed, and double checked all connections. STANDBY/ON button This button is used to set the TX-NR901 to On or Standby . For models with a POWER switch, this button has no effect unless the POWER switch is set to ON. STANDBY indicator This indicator lights up when the TX-NR901 is in Standby mode, and it ashes while a signal is being received from the remote controller . AUDIO SELECTOR button This button is used to select the audio input signal format: analog, digital, or multichannel. Input selector buttons & indicators These buttons are used to select the following input sources: DVD, VIDEO 1–5,TAPE, TUNER, PHONO, CD, and NET AUDIO. The indicators show the currently selected input source. The indicators also show which input source is selected for Zone 2, in which case they light up green, or which input source is selected for record- ing (REC OUT), in which case they light up red. Display See “Display” on next page. Remote-control sensor This sensor receives control signals from the remote controller. DISPLAY button This button is used to display various information about the currently selected input source. MASTER VOLUME control This control is used to set the volume of the TX-NR901 from 0 to 100. DIRECT/PURE AUDIO button This button is used to select the Direct or Pure Audio listening modes. PURE AUDIO indicator This indicator lights up when the Pure Audio listening mode is selected. UPSAMPLING indicator This indicator lights up when the Upsampling function is on. PHONES jack This 1/4-inch phone jack is for connecting a stan- dard pair of stereo headphones for private listening. ZONE 2 LEVEL [ ] [ ] buttons These buttons are used to set the volume for Zone 2. REC OUT button This button is used to select the input source that you want to record via the REC OUTs (i.e., TAPE OUT, VIDEO 1 OUT, VIDEO 2 OUT). ZONE 2 button This button is used to select the input source for Zone 2. OFF button This button is used to turn of f the REC OUTs (i.e., TAPE OUT, VIDEO 1 OUT, VIDEO 2 OUT) or Zone 2. STEREO button This button is used to select the Stereo listening mode. SURROUND button This button is used to select the Dolby and DTS listening modes. THX button This button is used to select the THX listening modes. DSP [ ] [ ] buttons These buttons are used to select the DSP (digital signal processor) listening modes. DIMMER button This button is used to adjust the display brightness. MEMORY button This button is used when storing and deleting radio presets. FM MODE button This button is used to select the FM radio Auto and Mono modes. SETUP button This button is used to access the onscreen setup menus (OSD) that appear on the TV . TUNING [ ] [ ] buttons These buttons are used to tune into radio stations and to select items on the onscreen setup menus (OSD). ENTER button This button is used when navigating the onscreen setup menus (OSD), entering names, and confirm- ing settings. PRESET [ ] [ ] buttons These buttons are used to select radio presets and to select items on the onscreen setup menus (OSD). 4 6 7 12 11 13 16 19 21 5 8 9 10 15 14 17 18 20 3 26 23 22 25 24 1 2 27 28

TX-NR901 FRONT PANEL RETURN button This button is used to return to the previously displayed onscreen setup menu (OSD). VIDEO 5 INPUTs These optical digital audio, S-V ideo, composite video, and analog audio inputs can be used to connect a camcorder, games console, and so on. Audio input format indicators These indicators show the audio input format for the currently selected input source. Listening mode & digital audio format indicators These indicators show the currently selected listening mode and digital audio format. Tuning indicators AUTO indicator: This indicator lights up when the tuner is tuned to an FM station and Stereo mode is selected. It goes off when Mono mode is selected. TUNED indicator: This indicator lights up when the tuner is tuned into an AM or FM station. FM STEREO indicator: This indicator lights up when the tuner is tuned to a stereo FM station. It goes of f when Mono mode is selected. Multipurpose display area Normally, the name of the currently selected input source is displayed here. When you select the AM or FM input source, the radio frequency and preset number are displayed. If you press the [DISPLA Y] button, the currently selected listening mode and digital audio format are displayed. Volume level The volume level is displayed here. SLEEP indicator This indicator lights up when the Sleep function has been set. Displa y 29 30 2 3 4 5 1 6 2 3 4 5 1 6

TX-NR901 REAR PANEL DIGITAL IN COAX 1–3, OPT 1–4 These coaxial and optical digital audio inputs can be used to connect CD, DVD, or LD (laser disc) players and other components with digital audio outputs. DIGITAL OUT OPT 1 & 2 These optical digital audio outputs can be used to connect a CD recorder or other digital recorder with digital inputs. PRE OUT—FRONT L/R, SUB, CENTER, SURR L/R If you use the TX-NR901 as a preamp, these analog audio outputs can be connected to the inputs on a separate power amp. The SUB output is used to connect a powered subwoofer . FM 75 OUT OUT OUT OUT L OUT PHONO DIGITAL IN PRE OUT DIGITAL OUT OPT OPT 2 1 2 3 4 1 2 FRONT SUB SURR R L AUDIO R L CD TAPE R L AUDIO VIDEO S VIDEO MONITOR OUT R L IN IN IN IN IN IN IN ZONE 2 DVD VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 4 AUDIO AUDIO VIDEO S VIDEO 1 3 GND SURR BACK/ ZONE 2 R L IN AC INLET COAX R ZONE 2 REMOTE CONTROL RS232 I R 12V TRIGGER OUT IN CENTER ETHERNET (Net -Tune) R L MULTI CH INPUT FRONT SUB SURR SURR BACK CENTER R L AM ANTENNA COMPONENT VIDEO Y PB PR OUTPUT INPUT 1 Y PB PR INPUT 2 Y PB PR VOLTAGE SELECTOR 220- 230V 1 20V TX-NR901 MODEL NO. / SURR BACK/ ZONE 2 SPEAKERS FRONT SPEAKERS L R L R SURR SPEAKERS CENTER SPEAKER R L FM 75 OUT OUT OUT OUT L OUT PHONO DIGITAL IN PRE OUT DIGITAL OUT OPT OPT 2 1 2 3 4 1 2 FRONT SUB SURR R L AUDIO R L CD TAPE R L AUDIO VIDEO S VIDEO MONITOR OUT R L IN IN IN IN IN IN IN ZONE 2 DVD VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 4 AUDIO AUDIO VIDEO S VIDEO 1 3 GND SURR BACK/ ZONE 2 R L IN COAX R ZONE 2 REMOTE CONTROL I R 12V TRIGGER OUT IN CENTER ETHERNET (Net -Tune) R L MULTI CH INPUT FRONT SUB SURR SURR BACK CENTER R L AM ANTENNA COMPONENT VIDEO Y PB PR OUTPUT INPUT 1 Y PB PR INPUT 2 Y PB PR AC OUTLETS AC 120V 60Hz SWITCHED TOTAL 120W 1A MAX. AV RECEIVER MODEL NO. TX-NR 901 SURR BACK/ ZONE 2 SPEAKERS FRONT SPEAKERS L R L R SURR SPEAKERS CENTER SPEAKER R L American and Australian Models Other Models 21 1 3 4 6 7 12 11 13 16 19 26 2 27 5 8 9 10 15 14 17 18 23 22 21 2 27 5 8 9 10 15 14 17 18 23 22 25 24 20 1 3 4 6 7 12 11 13 16 19 26 1 3 2

TX-NR901 REAR PANEL 4 6 7 12 11 13 16 19 26 21 5 8 9 10 15 14 17 18 23 22 25 24 20 PRE OUT—SURR BACK/ZONE 2 These analog audio outputs can be used to feed the L/R surround back inputs on a separate power amp when the TX-NR901 is used as a preamp, or to feed a po wer amp in Zone 2. MULTI CH INPUT—FRONT L/R, SUB, CENTER, SURR L/R, SURR BACK L/R These analog audio inputs can be used to connect AV components with multiple analog audio outputs, including DVD players with indi vidual 5.1/7.1 sur - round analog audio outputs. AM ANTENNA These push terminals are for connecting an AM antenna. FM ANTENNA This connector is for connecting an FM antenna. PHONO IN These analog inputs can be used to connect a turntable with a moving-magnet cartridge. CD IN These analog inputs can be used to connect a CD player with analog outputs. TAPE IN/OUT These analog inputs and outputs can be used to connect a cassette recorder , Mini Disc recorder , or other recorder with analog inputs and outputs. MONITOR OUT This S-V ideo or composite video output can be connected to the video input on your TV or projector. ZONE 2 OUT These composite video and analog audio outputs can be used to feed a TV and an inte grated amp in Zone 2. DVD IN These S-V ideo, composite video, and analog audio inputs can be used to connect a D VD player. VIDEO 1 & 2 IN/OUT These S-V ideo, composite video, and analog audio inputs and outputs can be used to connect one or two video recorders (e.g., VCRs). VIDEO 3 & 4 IN These S-V ideo, composite video, and analog audio inputs can be used to connect one or two video sources (e.g., cable TV, satellite TV , or a set-top box). COMPONENT VIDEO OUTPUT This component video output can be used to connect a TV or projector with a component video input. COMPONENT VIDEO INPUT 1 & 2 These component video inputs can be used to connect one or two AV components with component video outputs, such as a DVD player. ETHERNET (Net-Tune) This port is for connecting the TX-NR901 to your Ethernet network (i.e., router or switch) for use with Net-Tune (i.e., Internet radio and MP3, WAV, and WMA playback). SPEAKERS These terminal posts are for connecting your speakers.The SURR BA CK/ZONE 2 terminals can be used with surround back speakers in the main room or speak ers in another room (Zone 2). RS232 This port is for connecting the TX-NR901 to home automation and external controllers. American and Australian models don't have this port. IR IN/OUT If you want to use the remote controller to control the TX-NR901 from Zone 2, or if the TX-NR901 is installed in a cabinet and the line of sight between the TX-NR901 and the remote controller is obstructed, a commercially available IR receiver can be connected to the IR IN. A commercially available IR emitter can be connected to the IR OUT to pass the IR signals along to another AV component. ZONE 2 12V TRIGGER OUT This output can be connected to the 12-v olt trigger input on a power amp in Zone 2. The power amp can then be turned on or of f automatically from the TX-NR901. REMOTE CONTROL This (Remote Interactive) socket can be connected to the socket on another Onkyo AV component. The TX-NR901’ s remote controller can then be used to control that component. To use , you must mak e an analog RCA/phono audio con- nection between the TX-NR901 and the other AV component, even if they are connected digitally . AC INLET The supplied power cord should be connected here. American and Australian models do not have an A C INLET. The y have an integral power cord instead. VOLTAGE SELECTOR This voltage selector provides compatibility with power systems around the world. American and Australian models don’ t have this selector . AC OUTLETS These switched AC outlets can be used to supply power to other A V components. The connector type depends on the country in which you purchased your TX-NR901. Grounding screw This scre w is for connecting a turntable’ s ground wire. 27

TX-NR901 REMOTE CONTROLLER 4 6 7 12 11 13 16 19 21 5 8 9 10 15 14 17 18 20 The TX-NR901’ s remote controller is a multipurpose device that can be used to control not just the TX-NR901 but your other A V components as well. This section explains how it’s various operating modes can be used to control the TX-NR901 and various -compatible Onk yo components. Amp mode is used to control the TX-NR901. To select Amp mode, press the scr oll wheel. “ AMP” appears on the display . Note: While neither the [INPUT] button nor [MODE] button is illuminated, rolling the scroll wheel changes the input source and remote controller mode simultaneously . Box ed numbers are for Net-Tune mode. ON button This button is used to turn on the TX-NR901. STANDBY button This button is used to set the TX-NR901 to Standby . Number/letter buttons These buttons are used to enter numbers and letters. CUSTOM button This button is used to access various settings that you can use to customize the operation of the remote controller . MACRO button This button is used with the Macro function. MODE button This button is used with the scroll wheel to select the remote controller modes. DIMMER button This button is used to adjust the display brightness. Up/Down/Left/Right [ ]/[ ]/[ ]/[ ] & ENTER buttons These buttons are used to select items on the onscreen setup menus (OSD).The ENTER button is also used to enter names and to confirm settings. CH/DISC button This button is used to select radio presets. RETURN/EXIT button This button is used to return to the previously displayed onscreen setup menu (OSD). DISPLAY button This b utton is used to display various information about the currently selected input source. THX button This button is used to select the THX listening modes. SURR button This button is used to select the Dolby and DTS listening modes. DIRECT button This button is used to select the Direct listening mode. PURE A button This button is used to select the Pure Audio listening mode. Amp Mode --/--- @. - ' / ABC DEF PQRS TUV WXYZ DIRECT TUNING GHI JKL MNO CAPS DELETE LANGUAGE LOCATION ALBUM ARTIST GENRE PLAYLIST CUSTOM DISPLAY DIMMER TV INPUT SLEEP RANDOM REC STEP/ SLOW MUTING ENTER LAST M ANGLE SUBTITLE AUDIO MEMORY SEARCH A-B REPEAT ON STANDBY TV TV CH TV VOL A U D I O A D J E X I T G U I D E +10 0 CLEAR 1 2 3 4 5 6 7 8 9 INPUT T O P M E N U M E N U S E T U P R E T U R N ZONE2 INPUT MODE MACRO VOL CH DISC TEST TONE CH SEL PURE A SURR DIRECT STEREO Re-EQ THX All ST LEVEL+ LEVEL- L NIGHT AUDIOSEL DSP DSP + - + - 2 3 4 5 1 9 8 10 11 12 6 7 Scr oll wheel 3 1 2 4 6 7 12 11 13 26 5 8 9 10 15 14 23 22 25 24 3 1 2 27 29 28 30 31 13 14 15 16 17 18 19 20

Onkyo TX-NR901 Service Manual and Repair Guide

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