Onkyo-CRN1-rec-sm维修电路原理图.pdf
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1、CR-N1 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 MEASU
2、REMENTS TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. SERVICE MANUALSERVICE MANUAL CD RECEIVER Ref. No. 3687 092001 MODEL CR-N1 120V AC, 60Hz 230-240V AC, 50Hz 220-230V AC, 50/60Hz (S)MDD,(S)MDT (T)MPP,(S)MPA (S)MGT,(
3、S)MGR,(S)MGQ Silver and Titanium model RC-454S RadioFans.CN 收音机爱 好者资料库 CR-N1 SPECIFICATIONS-1 Amplier CD Player USB Power output (U.S. & Canadian models) 2 x 6.5 watts min., RMS at 8 ohms, 50 Hz20 kHz, with no more than 0.6% total harmonic distortion (FTC) 2 x 9.5 watts min., RMS at 4 ohms, 50 Hz20
4、kHz, with no more than 0.8% total harmonic distortion (FTC) 2 x 15 watts at 4 ohms (EIAJ) Power output (Other models) 2 x 10 watts at 4 ohms, 1 kHz (DIN) 2 x 8.5 watts at 6 ohms, 1 kHz (DIN) 2 x 7 watts at 8 ohms, 1 kHz (DIN) 2 x 6.5 watts min., RMS at 8 ohms, 1 kHz, no more than 0.6% THD (FTC ratin
5、g) 2 x 15 watts at 4 ohms (EIAJ) Dynamic power 2 x 15 watts at 4 ohms 2 x 9 watts at 8 ohms Total harmonic distortion0.4% at 5 watts output into 4 ohms, 1 kHz IM distortion0.4% at 5 watts output into 4 ohms, 1 kHz Damping factor 25 at 4 ohms 50 at 8 ohms LINE IN sensitivity and impedance 500 mV, 47k
6、ohms Frequency response10 Hz20 kHz, +3/3 dB Acoustic presence 1: +6.0 dB at 80 Hz 2: +10.0 dB at 80 Hz Signal to noise ratio95 dB (IHF-A) Muting50 dB Signal readout systemOptical non-contact Reading rotationApprox. 500200 rpm (constant linear velocity) Linear velocity1.21.4 m/s Error correction syst
7、emCross interleave Reed Solomon code D/A converter1 bit Digital lter352.8 kHz, 8-times oversampling Number of channels2 (stereo) Frequency response5 Hz20 kHz Wow & utterBelow threshold of measurability Connection methodUSB (Universal Serial Bus) V er 1.1 Sampling rate (input)32/44.1/48 kHz compatibl
8、e Frequency response5 Hz20 kHz RadioFans.CN 收音机爱 好者资料库 CR-N1 SPECIFICATIONS-2 General Specications and features are subject to change without notice. Power supply and voltage specications depend on where the unit is purchased. Tuning range FM 87.9107.9 MHz (200 kHz steps) (U.S. & Canadian model) 87.
9、5108.00 MHz (50 kHz steps) (Other area models) AM 5301710 kHz (10 kHz steps) (U.S. & Canadian model) 5221611 kHz (9 kHz steps) (European & Australian models) 5311602 kHz (9 kHz steps) (Asian models) Usable sensitivity FM Mono 11.2 dBf, 1.0 V (75 ohms IHF) 11.2 dBf, 0.9 V (75 ohms DIN) Stereo 17.2 dB
10、f, 2.0 V (75 ohms IHF) 17.2 dBf, 23.0 V (75 ohms DIN) AM30 V 50 dB quieting sensitivityFM Mono17.2 dBf, 2.0 V (75 ohms) Stereo37.2 dBf, 20.0 V (75 ohms) Capture ratioFM2.0 dB Image rejection ratio FM 40 dB (U.S. & Canadian model) 85 dB (Other area models) AM40 dB IF rejection ratio FM90 dB AM40 dB S
11、ignal to noise ratio FM Mono73 dB, IHF Stereo67 dB, IHF AM40 dB SelectivityFM 50 dB DIN (300 kHz at 40 kHz deviation) AM suppression ratio50 dB Harmonic distortion FM Mono0.2% Stereo0.3% AM0.7% Frequency responseFM30 Hz15.0 kHz (1.5 dB) Stereo separationFM 35 dB at 1 kHz 25 dB at 100 Hz10.0 kHz Ster
12、eo thresholdFM17.2 dBf, 2.0 V (75 ohms) Power supply AC 120 V , 60 Hz, 39 W (U.S. & Canadian model, some Asian models) AC 230 V , 50 Hz, 32 W (European model) AC 220 V , 50/60 Hz, 32 W (Other area models) Dimensions (W x H x D) 203 x 270 x 234 mm 8 x 10-5/8 x 9-3/16 Weight4.2 kg (9.3 lbs) Tuner CR-N
13、1 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs a laser. Therefore, be sure to follow carefully the instructions below when servicing. WARNING! SERVICE WARNING : DO NOT APPROACH THE LASER EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSION, BE
14、 SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL PICK-UP BLOCK. Laser Diode Properties Material: GaAS/GaALAs Wavelength: 790nm Emission Duration: continuous Laser output: max. 0.5mW* *This output is the value measured at a distance about 1.8mm
15、from the objective lens surface on the Optical Pick-up Block. LASER WARNING LABEL The label shown below are affixed. 1. Warning label2. Class 1 label CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT SERVICE PROCEDURE 1. Replacing the fuses 2. Safety-check out (Only U.S.A. model) After
16、 correcting the original service problem perform the follwing safety check before releasing the set to the customer Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back panel. Specifications: More than 10Mohm at 500V REF.NO. PART NO.DESCRIPTION
17、This symbol located near the fuse indicates that the fuse used is show operating type, For continued protection against fire hazard, replace with same type fuse , For fuse rating, refer to the marking adjest to the symbol. 1. Press and the hold down the VOLUME DOWN button , then press the DISPLAY bu
18、tton. 3. To initialize the unit Ce symbole indique que le fusible utilise est e lent. Pour une protection permanente, nutiliser que des fusibles de meme type. Ce demier est indique la qu le present symbol est apposre. SERVICE PROCEDURES 5. Changing the AM band step F901 252083 or0.4A-SE-EAWK 252233
19、or400MA-SE-TL250V or 252267400MA-SE-TL250V 252157 or1.25A-UL/T-237 or 2522511.25A-T/UL-ST2, Fuse NOTE: : USA and Canadian model only : European model only : Australian model only : Taiwanese model only : Asian model only : Chinese model only : Hong kong model only 2. After All lighting is displayed,
20、 the preset memory and each mode stored in the memory, are initialized and will return to the factory settings. 3. Press the STANDBY/ON button. 4. Unplug the AC plug from the wall outlet. Refer to SCHEMATIC DIAGRAM-1 4. Notes at the connecting the measuring instrument to the unit. The power amplifie
21、r circuit of this unit is BTL system. Therefore, in case check the output of speaker terminal, take care not to connect the ground of the unit with the minus terminal of speaker. CR-N1 CHASSIS EXPLODED VIEW 37 35 U7 U8 U9 U6 19 39 Q501 U13 39 37 23 79 80 37 37 23 21 17 49 49 47 37 U15 M2 P701 37 73
22、37 37 53 9 11 63 65 37 65 37 74 1 3 6 75 U5 U4 M2 U2 E702 U18 P908 U17 M5 M2 U10 P102 M8 M6 M3 M6 16 37 16 59 81 16 54 U11 M11 M19 M12 M10 M18 M17 M18 M14 M24 M23 M24 M24 M23 M22 M27 M2 M7 M1 M2 78 13 U20 P551 29 U19 37 37 27 49 43 U14 T901 33 F901 86 84 U16 71 P901 16 77 16 41 M33 U1 M19 M32 M19 M2
23、9 M29 M28 M16 7 5 5 U3 82 M15 M28 85 E703 4 CR-N1 NOTE: THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE ONLY WITH PART NUMBER SPECIFIED. NOTE: : USA and Canadian model only : European model only : Australian model only : Taiwanese model only : Asian model
24、only : Chinese model only : Hong kong model only : Silver model only : Titanium model only REF. NO.PART NO.DESCRIPTION 127111223AFront bracket 328198926Facet, CD 428141446Cushion, BU 58384260882.6TTB+8B(BC), Self tapping screw 629110157Tape, CU 727262664Plate, F 27262665Plate, F 927268044Guide, DIS
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