Onkyo-NAC2.3-anr-sm维修电路原理图.pdf

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1、NAC-2.3 SERVICE MANUALSERVICE MANUAL Audio Network Receiver Silver model MODEL NAC-2.3 120V AC, 60HzBMDD Ref. No. 3763 Dec, 2002 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 TH

2、ESE 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. Phones Setup Display Select Audio Input

3、Volume Standby/On Standby StopPlay/ Pause NAC-2.3 RadioFans.CN 收音机爱 好者资料库 NAC-2.3 Specifications Amplifier Section Power output FTC15 watts per channel, min RMS, at 8 ohms, both channels driven 1 kHz, with no more than 0.1% DIN2 17 watts at 6 , 1 kHz 2 15 watts at 8 , 1 kHz Dynamic power output 2 27

4、 watts at 6 2 24 watts at 8 Total harmonic distortion 0.1% at rated power IM distortion 0.6% at rated power Damping factor 30 at 8 Input Sensitivity and Impedance AUX: 150 mV, 50 k Output Level and Impedance FIXED: 150 mV, 2.2 k VARIABLE: 2 V, 470 Frequency and response 10 to 50,000 Hz +0 /3 dB Sign

5、al to noise ratio 100 dB (IHF-A) Muting 40 dB AC Inlet IEC type 1 Tuner Section Tuning range FM: 87.50108.00 MHz (100 kHz steps) (U.S. & Canadian models) 87.5108.00 MHz (50 kHz steps) (Other area models) AM: 5301710 kHz (10 kHz steps) (U.S. & Canadian models) 5221611 kHz (9 kHz steps) (Other area mo

6、dels) Usable sensitivity FM: Mono 11.2 dBf, 1.0 V (75 IHF) 0.9 V (75 DIN) Stereo 17.2 dBf, 2.0 V (75 IHF) 23.0 V (75 DIN) AM: 30 V 50 dB Quieting sensitivity FM: Mono 17.2 dBf, 2.0 V (75 ) Stereo 37.2 dBf, 20.0 V (75 ) Capture ratio FM: 2.0 dB Image rejection ratio FM: 40 dB (U.S. & Canadian models)

7、 85 dB (Other area models) AM: 40 dB IF rejection ratio FM: 90 dB AM: 40 dB Signal to noise ratio FM: Mono 73 dB, IHF Stereo 67 dB, IHF AM: 40 dB Selectivity FM: 50 dB DIN (300 kHz at 40 kHz Devi.) AM Suppression Ratio 50 dB Harmonic distortion FM: Mono 0.2% Stereo 0.3% AM: 0.7 % Frequency response

8、FM: 3015,000 Hz (1.5 dB) Stereo separation FM: 45 dB at 1,000 Hz 30 dB at 100 to 10,000 Hz Stereo threshold FM: 17.2 dBf, 2.0 V (75 ) General Sound format supported by the Net-Tune WAVE (PCM), MP3, WMA Clock precision monthly error: 30 seconds (at 25 C (77 F) ) Power supply AC 120 V, 60 Hz Power con

9、sumption 58 W (120 V, 60 Hz) Standby power 8 W Dimensions (W H D) 205 91 279 mm 8-1/16 3-9/16 11 Weight 3.9 kg, 8.6 lbs Specifications and external appearance are subject to change without notice as a result of product improvement. Specifications RadioFans.CN 收音机爱 好者资料库 NAC-2.3 OPERATING INSTRUCTION

10、S SAFETY PRECAUTIONS WARNINGWARNING RISK OF ELECTRIV SHOCK DO NOT OPEN AVISAVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR WARNING : TO REDUCE THE RISK. OF ELECTRIC SHOCK, DO NOT REMOVE COVER(OR BACK). NO USERSERVICEABLE PART INSIDE, REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The lightning flash w

11、ith arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triang

12、le is intended to alert the user to the presence of important operating and maintenance (servicing) instruction in the literature accompanying the appliance. TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE. DANGEROUS HIGH VOLTAGES ARE PRESENT INSIDE THE

13、 ENCLOSURE. DO NOT OPEN THE CABINET. REFER SERVICING TO QUALIFIED PERSONNEL ONLY. TO PREVENT ELECTRIC SHOCK, MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT. POUR EVITER LES CHOCS ELECTRIQUE, INTRODUIRE LA LAME LA PLUS LARGE DA LA FICHE DANS LA BORNE CORRESPONDANTE DA LA PRISE ET POUSSER JUSQU A

14、U FOND. WARNING : CAUTION : ATTENTION : PRECAUTIONS 1. Replacing the fuses For continued protection against risk fire, replace only with same type and same rating fuse. CIRCUIT No. PART No. DESCRIPTION F901 252157 1.25A-UL/T-237, FUSE E LENT. POUR UNE PROTECTION PERMANENTE,NUTILISER CE SYMBOLE INDIQ

15、UE QUE LE FUSIBLE UTLISE EST INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE. QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE THIS SYMBOL LOCATED NEAR THE FUSE INDICATES THA

16、T THE FUSE USED IS SLOW OPERATING TYPE ATTENTION VA ET CALIBRATION COMME INDIQUE. DINCENDIE, REMPLACER UNIQUEMENT PERMANENTE CONTRE LES RISQUES AFIN DASSURER UNE PROTECTION PAR UN FUSIBLE DE MEME TYPE AGAINST FIRE HAZARD, REPLACE VA FOR CONTINUED PROTECTION AND RATING INDICATED. ONLY WITH FUSE OF SA

17、ME TYPE CAUTION 2. 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. Specificatio

18、ns: 3.3Mohm+/-10% at 500V. NAC-2.3 Troubleshooting Error messages Input source Server Server Server Server Server Server Server Server Server Server Server Internet Radio Internet Radio Internet Radio Internet Radio Client FL display message No Albums No Artists No Genres No Playlists No Tracks Unsu

19、pported Format List Changed Server Timeout Server not available Stream Error TrackList Over 1 of 999 AlbumList Over 1 of 999 ArtistList Over 1 of 999 PlaylistList Over 1 of 999 No Genres No Languages No Countries No Sub Genres Meaning Unable to find the album information during searching the music l

20、ibrary. Unable to find the artist information during searching the music library. Unable to find the genre information during searching the music library. Unable to find the playlist during searching the music library. Unable to find the track during searching the music library. The track using unsu

21、pported format was selected during searching the music library. The music library on the Net-Tune server is updated. The selected list is discarded and the selecting operation is reset. Select tracks for new playlist again. The Net-Tune server does not respond. Check the operation status for the Net

22、-Tune server. The Net-Tune server function is not available. A global IP address may be set for the IP address setting. There is an error for playing the audio stream. The server load may be increased, which may result from too many client connections, too much PCM stream distribution, any other app

23、lications on the Net-Tune server, and so on. Take the appropriate measures The list you selected contains 1,000 or more tracks. You can add up to 999 tracks per list. Divide the list into several lists so that each list contains 999 or fewer tracks, which enables you to play all tracks in a list (se

24、e the Net- Tune Central Help). Unable to retrieve the genre information during searching the Internet radio stations. Unable to retrieve the language information during searching the Internet radio stations. Unable to retrieve the country information during searching the Internet radio stations. Una

25、ble to retrieve the sub-genre information during searching the Internet radio stations. Troubleshooting Input source Internet Radio Internet Radio Internet Radio Internet Radio FM/AM/ Internet Radio Server/ Internet Radio Client FL display message No Stations Stream Access Err No Stream iNet Radio T

26、imeout No Presets Playback Denied Meaning Unable to connect the station during searching the Internet radio stations. Unable to receive the streaming data from the selected Internet radio station. Unable to play the selected Internet radio station. Select other Internet radio stations. Receiving the

27、 streaming data from the Internet radio station is timed out. There are no preset radio stations for FM, AM and Internet radio. Tried to play the content with protection. Cancel the protection before ripping the content. This product used a microcomputer to perform various advanced functions. Howeve

28、r, noise, radio interference, or static electricity could occasionally cause the unit to malfunction. In this case, unplug the power cable from the AC outlet, then plug it in again in five seconds. Integra/Onkyo is not responsible for damages (such as CD rental fees) due to unsuccessful recordings c

29、aused by the units malfunction. Before you record important data, make sure that the material will be recorded correctly. Restoring the factory default settings: To reset all the stored settings to the factory default conditions, while the power to the NAC- 2.3 is on, press and hold down the STOP bu

30、tton on the unit, and press Standby/On button. NAC-2.3 On Screen Display (OSD) OSD menu flowchart FM Radio (Internet Radio) (FM Radio) Tune to station Select station to preset Select character type Input station name Select preset number Save preset station Tune to station Select station to preset S

31、elect artist name Select album title Select album title Select Genre Select Language Select Sub Genre Select character type Input station name Select preset number Save preset station AM Radio Auxiliary Input ServerAlbums Artists Genres Location Language Genres Playlists Select genre Select trackSel

32、ect playlist Select Location Select track Select track Select track Playback Playback Playback Playback Internet RadioSelect station Select station Select station Select album title AUDIO INPUTCursor Cursor SELECTDISPLAYSETUPSELECT Cursor Cursor Cursor Cursor Cursor Cursor SELECT SELECT SELECTSELECT

33、SELECT SELECT SELECT SELECT SELECT SELECT SELECT SELECTSELECTSELECT SELECT DISPLAY DISPLAYSELECT SELECTSELECT SELECTSELECT SELECT Cursor Cursor Cursor SELECTDISPLAYSETUP , SELECT , SELECTSELECT AUDIO INPUT AUDIO INPUT AUDIO INPUT AUDIO INPUT NAC-2.3 Remote Controller Index parts and facilities 1 Sta

34、ndby/On button Turns on the NAC-2.3 or place it in standby mode. 2 Numeric keys Press to select one of the preset stations or the track you want to play. When entering text, you use these buttons to type in letters and special characters. 3 Preset Up/Down buttons Press to navigate through preset sta

35、tions for Internet radio or FM/AM radio. 4 Album button Press to invoke the Album selection menu when working with the NAS-2.3. 5 Artist button Press to invoke the Artist selection menu when working with the NAS-2.3. 6 Genre button Press to invoke the Genre selection menu when working with the NAS-2

36、.3. 7 Playlist button Press to invoke the Playlist selection menu when working with the NAS-2.3. 8 Mute button Press to activate the mute function. Press the button again to disable the mute function. 9 Sleep button Press to set the sleep function. 0 Music Server/iNet Radio/Tuner/Aux buttons Press t

37、o select an input source. The Tuner button toggles between FM and AM. Index parts and facilities A Display button Press to change the display mode. B Cursor / / buttons Press to locate your selection. C Select button Determines your selection or saves a new setting. D Setup button Press to set up th

38、e NAC-2.3. E Operation buttons , (FR/FF) buttons Press to fast-rewind or fast-forward the current track. (Pause) button Press to pause the playback. (Play) button Press to start playback. (Stop) button Press to stop the playback. , B/F-Skip buttons Press to move to the previous or next track. F Rand

39、om button Press to play the selected track list at random. G Repeat button Press to repeat the selected single track or track list. H Volume / buttons Press to adjust the volume. Changing the remote controller mode When you use any Integra/Onkyo products other than the NAC-2.3 in the same room, the

40、operations made with the NAC-2.3s remote controller may also cause the other Integra/Onkyo products to operate. To avoid this, you can change the remote controller mode both for the NAC-2.3 and its remote controller choosing from three modes (1, 2 or 3). To change the remote controller mode for the

41、remote controller, hold the Standby button on the remote controller and press the Select button, then release these buttons simultaneously. Within 5 seconds after releasing the buttons, enter the appropriate mode (1, 2 or 3) using the numeric keys. The default mode is 1 for both the remote controlle

42、r and NAC-2.3. After changing the remote controller mode, make sure that the remote control “Remote ID code” on the NAC-2.3 is set to the same mode as the remote controller. (see Page 57) NAC-2.3 EXPLODED VIEW NAC-2.3 U101D A026 U009 A025 P608 P602 P606 P610 A029 A016 A013 A013 P7001 A015 A040 U006

43、A110 A112 A301 A302 A111 Q7005 A113 U005 A009 A055 A017 A018 A008 T901 Q501A A120 A315 A311 A310 U003 A108 P101 A017 U001 A016 U002 U000 U008 U004 F901 A035 A101 A104 A060 A061 NAC-2.3 SCHEMATIC DIAGRAMS Network Circuit Section - 1/2 A 1 2 3 4 5 BCD A15 A16 A15 A16 XDITPD XDARST OPTSIGNAL D D D D D

44、D D D D D D D D D D D A13 A14 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 D D D D D D D D D D D D D D D D A27 A26 A25 A24 A23 A22 A21 A20 A19 A18 A17 A14 A13 LANRESET DAMUTE XDITCS DIGCL DIGDO XDACS A27 A26 A25 A24 A23 A22 A21 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0

45、 D31 D30 D29 D28 D27 D26 D25 D24 D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 XSDRAMCS XSDRAS XOE XWE SDCLK SDCKE SDQM2 XLANCS XFLASHCS XRESET XURESET LRCK SDATA JP1 JP2 JP3 BCLK SDQM3 SDQM0 SDQM1 COM1_RXD1 COM1_TXD1 COM1_DSR COM1_CTS COM1_DCD XISAINT XEXTFIQ

46、 XPWRFL BATOK XBATCHG XEXTIRQ2 I2C_CLK I2C_DATA 32K EXPRDY XEXTPWR LANINT COM2_TXD COM2_RXD XSDRAMCS SDQM2 SDCKE SDCLK XWE XOE XSDRAS X X X X AVDD = +5V XDARST DIGCL DIGDO XDACS DAMUTE XDITPD XDITCS Audio DIT To VLC Board SDQM2 SDQM3 SDCKE SDCLK SDQM2 SDQM3 SDCKE SDCLK XSDRAMCS XWE XOE XSDRAS XSDRAM

47、CS XWE XOE XSDRAS XDITCS XDITPD XDARST DIGCL DIGDO XDACS DAMUTE (XPOR) (XURESET) XRESET TDO TXCLK TMS TDI XTRST XURESET AVDD = +5V XDITPD 256fs XDITCS XDARST DIGCL DIGDO XDACS DAMUTE AGND SDQM3 WakeUP 3.3V 2.5V Voltage Regurator EXTPWR LANINT COM2_TXD COM2_RXD LANRESET XDARST DIGCL DIGDO XDACS DAMUT

48、E OPTSIGNALOPTSIGNAL DAMUTE XDACS DIGDO DIGCL XDARST XDITPD XDITCS (XURESET) (XPOR) XRESET LANRESET TDO TXCLK TMS TDI XTRST XURESET MultiMedia CPU Main Memory D/A Convertor Reset IC +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V C686 15P R6280 R6290 +3.3V +2.5V +3.3V R6350 R6360 R6370 +3.3V+3.3V C608 0.1

49、 R6030 R6040 C624 0.1 C623 0.1 C622 0.1 C621 0.1 C616 0.1 C617 0.1 C618 0.1 C619 0.1 C620 0.1 +3.3V C631 0.1 C630 0.1 C629 0.1 R615 10K R614 10K C636 0.1 C648 0.1 C643 0.1 C642 0 1 C652 0.1 R64310K R64410K R64510K R64710K R64610K C653 0.1 C654 0.1 C664 0 1 C665 0.1 C659 0.1 R650 47K C684 0.1 R669 10K C685 15P C687 0.1 C688 0.1 C689 0.1 C690 0.1 R651 10K R606 330 +3.3V Q610 TC7S02F 1 2 G 3 4 VCC 5 X604 3.6864MHz C647 100/6.3 + R672 4.7K R673 4.7K C638100/6.3 + +3.3V R682 100 R667 1