onkyo_fr-n3x_sm.pdf

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1、FR-N3X SERVICE MANUALSERVICE MANUAL CD/MD TUNER AMPLIFIER Silver model MODEL FR-N3X Ref. No. 3738 062002 120V AC, 60Hz 220-230V AC, 50/60Hz UDT UGQ,UGR,UGT RC-497S SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF

2、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. FR-N3

3、X SPECIFICATIONS General Power supplyAC 220-230 V, 50/60 Hz AC 120 V, 60 Hz Power consumption46 W (220-230 V, 50/60 Hz) 55 W (120 V, 60 Hz) (Standby)1.5 W Clock precisionmonthly error: +/- 30 seconds (at 25 degrees Celsius) Dimensions (W H D) 155 190 361 mm Weight4.7 kg Amplifier Power output2 18 W

4、at 4 EIAJ 2 15 W at 6 EIAJ Rated Power 2 13W min, RMS at 4 1 kHz no more than 0.4 % THD Dynamic power2 14 W at 4 Total harmonic distortion0.4 % at rated power IM distortion0.4 % at rated power Damping factor25 at 8 Sensitivity and impedance LINE, CDR/TAPE:300 mV, 50 k CDR/TAPE: 300 mV, 50 k Frequenc

5、y response10 to 100,000 Hz : +3.5, -3dB Tone control S.BASS+10 dB at 50 Hz Bass120 Hz 7 positions (-7, -5, -2.5, 0, +2.5, +5, +7 dB) 10 kHz Signal to noise ratioLINE, CDR/TAPE: 100dB (IHF-A) Muting50 dB CD player Signal readout systemOptical non-contact Frequency response10 Hz to 20 kHz ( 2 dB) Belo

6、w threshold of measurability MD recorder Signal readout systemOptical non-contact Frequency response10 Hz to 20 kHz ( 2 dB) Wow and flutterBelow threshold of measurability Tuner Tuning rangeFM: 87.50 to 108.00 MHz (50 kHz steps) AM: 522 to 1611 kHz (9 kHz steps) Usable sensitivityFMMono:11.2 dBf, 1.

7、0 V (75 IHF) Stereo:17.2 dBf, 2.0 V (75 IHF) AM: 30 V 50 dB quieting sensitivityFMMono:17.2 dBf, 2.0V (75 ) Stereo:37.2 dBf, 20.0 V (75 ) Capture ratio2.0 dB Image rejection ratioFM: 85 dB AM: 40 dB IF rejection ratioFM: 90 dB AM: 40 dB Signal to noise ratioFMMono : 72 dB IHF Stereo : 67 dB IHF AM:

8、40 dB SelectivityFM: 50 dB (300 kHz at 40 kHz devi.) Harmonic distortionFM: Mono: 1.0 % Stereo: 0.3 % AM: 0.7 % Frequency responseFM: 30 to 15,000 Hz (1.5 dB) Stereo separationFM: 45 dB at 1,000 Hz FM: 30 dB at 100 to 10,000 Hz Trable Wow and flutter 7 positions (-7, -5, -2.5, 0, +2.5, +5, +7 dB) Sp

9、ecifications and features are subject to change without notice. FR-N3X FR-N3X A082 A082 A082 A079 A073 A082 A109 Z001 Z003 Z002 Z004 A049 A067 P351 A070 A040 A052 A001 A097 A098 A100 A103 A089 A090 A099 A106 A040 Q559 Q557 Q558 Q560 U7 U1A040 A040 A037 U9 P901 A034 A040A067 A022 U4 U8 A101 A042 A040

10、 U10 P102 U6 A016 F901 T901 A031 A019 A106 P451 A058 P201 P202 A085 A041 A041 A043 A107 U5 U3 U2 A040 A019 P101 U11 A013 EXPLODED VIEW Refer to EXPLODED VIEWS OF CD MECHANISM FR-N3X PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs a laser. Therefore, be sure to follow carefully t

11、he 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 SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL PICK-UP BLOCK.

12、Laser Diode Properties Material: GaAS/GaALAs Wavelength: 780nm Emission Duration: continuous Laser output: max. 0.5mW* *This output is the value measured at a distance about 1.8mm from the objective lens surface on the Optical Pick-up Block. LASER WARNING LABEL The label shown below are affixed. 1.

13、Warning label 2. Class 1 label CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT SERVICE PROCEDURE 1. Replacing the fuses REF.NO.PART NO.DESCRIPTION F901A 2521581.6A-UL/T-237, Fuse 2520830.4A-SE-EAK, Fuse NOTE : : 120 V model only : 220 - 230 V models only This symbol located near the

14、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 CD STOP button , then press the STANDBY/ON button. (2) All segment light u

15、p and character scroll, 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) Disconnect the AC power supply cord from a wall outlet. 2. How to initialize the unit Ce symbole indique que le fusible utilise

16、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. Change the band step R703 R704 R705 R706 R707 R708 NC 10k NC 10k NC 10k 10k NC NC 10k NC 10k 9kHz 10kHz AM Band step NC:No connection

17、3. How to check version of MD mechanism microprocessor? (1) Connect the AC power supply cord to a wall outlet. (2) Press STANDBY/ON to turn on the unit. (3) Press CD/MD to select the MD position, and Change into the state of No Disc . (4) Press MODE/YES as pressing down DISPLAY. Microprocessor versi

18、on on the Fl display Ex. 020328 EXX-a (5) Disconnect the AC power supply cord from a wall outlet. 4. How to check version of Main microprocessor(Q701) and Sub microprocessor(Q801)? (1) Connect the AC power supply cord to a wall outlet. Pushing STANDBY/ON is continued at operation of (2) and (3). (2)

19、 Press STANDBY/ON as pressing down MULTI JOG. Main-microprocessor version on the Fl display Ex. Main 020327A (3) Press STANDBY/ON as pressing down MULTI JOG. Sub-microprocessor version on the Fl display Ex. Sub 020227A (4) Disconnect the AC power supply cord from a wall outlet. FR-N3X 34 35 35 35 14

20、 16 15 20 21 23 24 18 7 31 6 5 26 27 33 13 13 11 11 10 9 2 2 1 8 30 17 4 3 SW1-SW4 32 PART NO.DESCRIPTION - 7685-791-01 - 1792-100-31 2646-555-02 2646-554-01 X2646-726-1 2646-563-01 2646-556-01 - 2646-548-01 2647-337-01 - 2646-559-02 2646-562-01 Motor Plate assy Screw +PTT2.6 x 5 (S) L-SW Mount 2 Fl

21、exible flat cable (5 core) Gear (Relay B) Gear (Relay A) Frame assy, slot Spring (Slot arm), Tension coil Slot Arm Frame assy, Road Insulator Screw, Step Frame, Slide Arm, head Spring, Tension coil 1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 REF NO. PARTS LIST The mechanical parts with no part number in the

22、 exploded views are not supplied. EXPLODED VIEW OF MECHANISM (MD) -1 MD MECHANISM : KMK-260EEO PART NO.DESCRIPTION 17 18 20 21 23 24 26 27 30 31 32 33 34 35 REF NO. 2646-561-01 2646-560-02 2627-529-01 8620-021-71 - 7685-791-09 2646-545-01 - X2626-328-1 7627-852-38 7685-780-01 - - 7621-259-25 Spring,

23、 SP Tension Cam, Mode Grip (+P1.7 x 2.5 Type2) MD Over write head MD mount PC board Screw +PTT2.6 x 5 (S) Spring (Door arm), Tension coil Case (Lower) Loading motor assy Precision screw (+P1.7 x 1.8 Type 3) Screw +PTT2 x 3 (S) Loading assy Case (Upper) Screw (+P2.6 x 4) Refer to EXPLODED VIEWS OF ME

24、CHANISM-2 FR-N3X 52 56 51 53 54 55 69 61 5951 57 58 51 5760 59 62 66 63 64 65 68 67 PART NO.DESCRIPTION 3348-998-51 2167-550-01 - - X2162-145-1 2646-571-01 2167-551-01 X2162-144-1 2646-358-11 X2162-143-1 - - 2167-819-01 2647-338-01 2627-529-01 8-583-079-06 - 1669-180-11 1783-387-11 Pan tapping screw

25、 (M1.4 x 3.5) Plate (M), Pre-load Wire, SL motor lead Wire, SL motor lead Sled motor assy Gear (MD) Plate (M), main shaft fixed Screw assy, lead Screw (B1.7 x 4) Spindle motor assy D-SW Mount 2 Chassis (M), mechanical Shaft (M), guide Spring, rack Grip (1.7 x 2.5 type2) Optical pickup, KMS-260E Deck

26、 assy, mechanical OP Flexible flat cable Flexible flat cable (7core) 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 REF NO. PARTS LIST The mechanical parts with no part number in the exploded views are not supplied. EXPLODED VIEW OF MECHANISM (MD) -2 MD MECHANISM : KMK-260EEO FR-N3X - Side

27、-A - - Side-B - IC152 CN101 CN105 IC102 IC181Q181Q182 X201 CN102 IC105 IC104 IC301 D183 D181 CN104 CN106 CN103 Q162 Q163 Q102 Q101 IC103 Q103 Q104 IC121 IC125 (or IC126) IC201 IC101 IC171 D101 EXPLODED VIEW OF MECHANISM (MD) -3 MD MECHANISM : KMK-260EEO MD mount view Test point-A 13. RF 12. VC 11. T

28、E 10. FE 9. IOP 8. I+3V 7. NC (FDPRST 6. NC (MS/XSL) 5. NC (KEY4) 4. NC (KEY3) 3. NC (KEY2) 2. NC (KEY1) 1. NC (KEY0) Test point-B AGND I+3V IOP TE VC RF FR-N3X SW1SW2SW3SW4 - Side-A - Side-B - - Side-B - 4 SW5 69 EXPLODED VIEW OF MECHANISM (MD) -4 MD MECHANISM : KMK-260EEO L-SW mount (2) view PART

29、NO.DESCRIPTION 8752-080-95 1781-569-21 8729-903-10 6702-431-01 8759-832-31 8752-414-89 8759-671-27 8759-574-24 8759-640-39 8759-523-35 8752-932-73 6700-563-01 8729-028-91 8729-026-52 8729-028-96 8729-028-96 8729-101-07 8729-028-91 8729-018-75 8729-017-66 223269R2 8719-046-87 8719-046-87 1767-179-31

30、1691-385-21 1778-461-11 1793-793-21 1778-283-11 1779-345-11 1779-353-21 1771-092-21 1771-327-11 - - CXA2523AR, IC 90M, Crystal oscillator FMW1-T-148, Transistor RH5RZ33CA-T1, IC TK71533ASCL, IC CXD2664R, IC MSM51V4400E-70TS-K, IC BA5984FP-E2, IC BR24C02F-WE2, IC TC74ACT02FT (EL), IC CXP740010-063R,

31、IC AK4552VT-E2, IC DTA144EUA-T106, Transistor 2SA1576A-T106-QR, Transistor DTC114EUA-T106, Transistor DTC114EUA-T106, Transistor 2SB798-T1DK, Transistor DTA144EUA-T106, Transistor 2SJ278MYTR, Transistor 2SK1764KYTR, Transistor 1SS355, Diode F1J6TP, Diode F1J6TP, Diode 12M, Ceramic oscillator Connect

32、or, FFC/FPC (21P) Connector, FFC/FPC (29P) Connector, FFC/FPC (13P) Connector, FFC/FPC (4P) Connector, FFC/FPC (7P) Connector, FFC/FPC (5P) Push switch (1key) 2pin push switch (2key) L-SW mount 2, PC board D-SW mount 2, PC board IC101 IC102 IC103 IC104 IC105 IC121 IC125 IC152 IC171 IC181 IC201 IC301

33、 Q101 Q102 Q103 Q104 Q162 Q163 Q181 Q182 D101 D181 D183 X201 CN101 CN102 CN103 CN104 CN105 CN106 SW1-SW4 SW5 - - CIRCUIT NO. PARTS LIST (MD mount section) The mechanical parts with no part number in the exploded views are not supplied. Refer to EXPLODED VIEWS OF MECHANISM-1 Refer to EXPLODED VIEWS O

34、F MECHANISM-2 D-SW mount (2) view A 1 2 3 4 5 BCDEFGH FR-N3XFR-N3X ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

35、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

36、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

37、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

38、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

39、 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?