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Onkyo CR-N1 Service Manual

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See also: Instruction Manual
SERVICE MANUAL
CD RECEIVER
CR-N1
MODEL
Silver and Titanium model
(S)MDD,(S)MDT
(T)MPP,(S)MPA
(S)MGT,(S)MGR,(S)MGQ
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
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.
RC-454S
120V AC, 60Hz
230-240V AC, 50Hz
220-230V AC, 50/60Hz
ON THE
CR-N1
Ref. No. 3687
092001

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Summary of Contents for Onkyo CR-N1

  • Page 1 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...

  • Page 2: Specifications

    CR-N1 SPECIFICATIONS-1 Amplier 2 x 6.5 watts min., RMS at 8 ohms, 50 Hz–20 kHz, with no more than 0.6% total harmonic distortion (FTC) Power output 2 x 9.5 watts min., RMS at 4 ohms, 50 Hz–20 kHz, with no more than 0.8% (U.S.
  • Page 3 CR-N1 SPECIFICATIONS-2 Tuner 87.9–107.9 MHz (200 kHz steps) (U.S. & Canadian model) 87.5–108.00 MHz (50 kHz steps) (Other area models) 530–1710 kHz (10 kHz steps) (U.S. & Canadian model) Tuning range 522–1611 kHz (9 kHz steps) (European & Australian models) 531–1602 kHz (9 kHz steps) (Asian models)

  • Page 4: Protection Of Eyes From Laser Beam During Servicing

    CR-N1 SERVICE PROCEDURES PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs a laser. Therefore, be sure to follow carefully Laser Diode Properties the instructions below when servicing. Material: GaAS/GaALAs WARNING!! Wavelength: 790nm SERVICE WARNING : DO NOT APPROACH THE Laser output: max.

  • Page 5: Chassis Exploded View

    CR-N1 CHASSIS EXPLODED VIEW P102 T901 F901 P901 P908 P551 P701 E702 E703 Q501...

  • Page 6: Exploded View Parts List

    CR-N1 EXPLODED VIEW PARTS LIST-1 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION 28198927 Facet, USB 27111223A Front bracket 838430068 3TTB+6B(BC), Self tapping screw 28198926 Facet, CD 29362285 Label 28141446 Cushion, BU 29362929 Spec label <PP,PA> 838426088 2.6TTB+8B(BC), Self tapping screw 29362930 Spec label <DT>...
  • Page 7 CR-N1 EXPLODED VIEW PARTS LIST-2 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION P908 27190432 UA-0, holder 1A909586-1A NAAF-7286-1A, Headphone jack PC board ass'y <DD> Q501 22241679 TDA8563AQ, IC 1A909586-1B NAAF-7286-1B, Headphone jack PC board ass'y <PP> T901 2301541 NPT-1423D, Power transfomer <DD,DT>...
  • Page 8 CR-N1 EXPLODED VIEW PARTS LIST-3 REF. NO. PART NO. DESCRIPTION REF. NO. PART NO. DESCRIPTION 1A909593-1A NAPS-7293-1A, Power supply PC board ass'y <DD> 24802050A Chassis, MECHA 1A909593-1B NAPS-7293-1B, Power supply PC board ass'y <PP> 29110023 DF tape, W6 1A909593-1C NAPS-7293-1C, Power supply PC board ass'y <DT>...

  • Page 9: Schematic Diagram

    SCHEMATIC DIAGRAM-1 NAD G-72 80 TR-O CD MECHANISM MICROPROCESSOR CONNECTOR & CD PC BOARD C110 PC BOARD R110 220K CD MECHANISM R105 DA23R 150K P105 C111 TA-O R106 C127 TA-M C107 FSET C112 C106 C105 Q 1 0 1 C114 C113 RF-I SRCH...
  • Page 10 CR-N1 R159 3.3K R161 100K C153 C165 R156 VSS2 PCMD 41 C169 VDD1 PCMDI 42 BCK 43 C168 BCKI 44 XLON SPOB VSS3 45 SSTOP VDD2 46 SPOA R155 CLKO XUGF 47 R154 2.2K XLTO XPCK 48 XLTO R153 2.2K...
  • Page 11 SCHEMATIC DIAGRAM-2 NA D I S - 7 28 1 Q751 10-BT - 167G N YK DISPLAY PC BOARD D751 R751 SEC1E01C U751 C751 D752 SPS-446-1 R752 C753 104Z 100/6.3 C752 SEC1E01C 104Z MIC+5V DIS+5V R758 REM-SENS 1.8K R757 R756 R755 R754 A.PRESENCE-LED...
  • Page 12 CR-N1 USB MIXING PC BOARD N AAF - 7288 22/16 C402 Q401 TC9459F C371 C373 R373 VDD 24 USBL 22/16 330J 330J R375 R379 R-OUT 23 L-OUT NJM4565V C401 R371 NJM4565V Q371 NC6 22 C379 NJM4565V R377 Q371 C375 4.7K...
  • Page 13 SCHEMATIC DIAGRAM-3 TO NAAF-7288 DIGITAL NAAF-7292 OUTPUT TO NADG-7280 P371B OPTICAL AMPLIFIER P1 5 1A P 371A PC BOARD Q351 TC9273F-008 CD/L-OUT VDD 28 CD/R-OUT CD 27 TUL-OUT TUNER 26 TUR-OUT USB 25 T-PLAY 24 R353 C351 R351 T-REC 23 2.2K OUTPUT SOURCE 22...
  • Page 14 CR-N1 R416 R415 270 NJM4565M-D R425 R426 5 1 A NJM4565M-D R413 R414 3.9K 3.9K ACOUSTIC C432 C431 Q405 Q405 C425 C426 22/16 22/16 PRESENCE 104J 104J PC BOARD C428 C427 223J 223J NAAF-7287 P4 0 2 B P4 0 2 A...
  • Page 15 CR-N1 SCHEMATIC DIAGRAM-1 NAD G- 7 2 8 0 R159 3.3K R161 100K TR-O C153 CD MECHANISM MICROPROCESSOR CONNECTOR & CD PC BOARD C110 PC BOARD R156 C165 R110 VSS2 PCMD 41 C169 220K VDD1 PCMDI 42 CD MECHANISM R105...
  • Page 16 CR-N1 SCHEMATIC DIAGRAM-2 USB MIXING PC BOARD NA DIS - 7281 Q751 10- BT -167GN YK N AAF- 728 8 22/16 DISPLAY C402 Q401 TC9459F PC BOARD R373 C371 C373 VDD 24 USBL 330J 330J 22/16 R375 R379 L-OUT R-OUT 23...
  • Page 17 CR-N1 SCHEMATIC DIAGRAM-3 TO NAAF-7288 DIGITAL N A AF - 7 2 9 2 P371B OUTPUT TO NADG-7280 OPTICAL R416 R415 270 NJM4565M-D R425 R426 AMPLIFIER P1 5 1 A P3 71 A NJM4565M-D PC BOARD R413 R414 3.9K 3.9K...
  • Page 18 CR-N1 PC BOARD CONNECTION DIAGRAM AC IN LINE DIGITAL OPTICAL OUTPUT INPUT SPEAKERS PHONES SUB WOOFER OUTPUT UP USB NAPS-7333 P521 P522 PRIMARY Q152 P551 P352 P301 P402A CIRCUIT P523A JL501C P371A NAPS-7294 P151A P401A P302A STANDBY TRANSFORMER P351B P523B...

  • Page 23: Component Side

    CR-N1 PRINTED CIRCUIT BOARD VIEWS-3 AMPLIFIER PC BOARD (NAAF-7292) P951A Component side JL901B J519 JL902B J543 J542 C907 J536 D901 AMUTE J537 C511 U-ON J533 C917 C511 C343 RDATA C908 RCLK C344 J518 U-5V J555 J517 C908 J551 P341A J554...

  • Page 24: Power Supply Pc Board

    CR-N1 PRINTED CIRCUIT BOARD VIEWS-4 PRIMARY PC BOARD STANDBY TRANSFORMER (NAPS-7333) PC BOARD (NAPS-7294) Component side Component side NCPS-7333 25137333 J901 P906A P904A P905A AC-G Q921 AC-H RL901 R921 R911 RL901 L901 C901 L901 C902 P901A Soldering side Soldering side...
  • Page 25 CR-N1 MICROPROCESSOR CONNECTION DIAGRAM Q701: MPD78045FGF-132-3B9 AC NPUT OPERATION SWITCH CD OUT Q101 L OUT 67 MEMORY PLAY/PAUSE INPUT VOLUP Q181 BUFFER RL901 RF SIGNAL PROCESSING STOP OPEN/CLOSE A.PRESENCE VOLDOWN Q183 R OUT 74 Q702 SERVO AMP 21 XRST CXA2542AQ...
  • Page 26 CR-N1 MICROPROCESSOR TERMINAL DESCRIPTION Q701: MPD78045GF-132-3B9 FUNCTION FUNCTION PIN NO. DESCRIPTION PIN NO. DESCRIPTION POWERAMP Output pin for controlling power amplifier. H = ON, L = OFF Output pin for controlling grid of FL tube. RDSDATA Input pin of data from RDS demodulator IC.
  • Page 27 CR-N1 DISASSEMBLING PROCEDURES-1 SPARATE OF UNIT The number of ( ) in the explanatory note and in the figure shows Ref. No. of the exploded view. Remove the 13 screws (37) and remove the cover AS (54). back side view...
  • Page 28 CR-N1 DISASSEMBLING PROCEDURES-3 CAUTION OF REPLACEMENT OF PICKUP UNIT The laser diode in the optical pickup block is so sensitive to During repair, carefully take the following precautions. static electricity, surge current and etc., that the components (The following precautions are included in the service are liable to be broken down or its reliability remarkably parts.)
  • Page 29 CR-N1 DISASSEMBLING PROCEDURES-4 REPLACEMENT OF PICKUP UNIT Replacement the pickup unit. CD mechanism part short land NAETC-7289 pickup unit (M5) front side view Short circuit with solder the short land Connect the flat cable of pickup unit to NAETC-7289. on the NAETC-7289...

  • Page 30: Disassembled View

    CR-N1 DISASSEMBLING PROCEDURES-5 DISASSEMBLING OF MAIN PART Remove the 9 screws (16, 84) and remove the rear Remove the 2 screws (37). panel (71) from the cassis (13). Remove the 3 screws (37). Disassembled view Top view power amplifier section...
  • Page 31 CR-N1 DISASSEMBLING PROCEDURES-2 SPARATE OF UNIT Disconnect the six sockets assy and the flat cable which are connected to NADG-7280. flat cable Circuit No. P551 socket assy socket assy NADG-7280 Circuit No. P151,P351A, P343, P951, P952 Flat cable Divide the unit into the front part and the main part.
  • Page 32 CR-N1 ADJUSTMENT PROCEDURES-1 CLOCK FREQUENCY ADJUSTMENT 1. Remove the top cover. 2. Connect the frequency counter to the F ADJ (test point) on the NADG-7280 3. While hold down VOLUME DOWN key, press DISPLAY key to set the test mode.

  • Page 33: Packing Procedures

    HS-N1/DW-S500 PACKING PROCEDURES Speaker(R) Center Unit Speaker(L)
  • Page 34 CR-N1 ADJUSTMENT PROCEDURES-2 CD ADJUSTMENT Focus gain adjustment Preparation Set the trimming resistors R101 to center. Focus gain adjustment 1. Set the output of the audio oscillator to 1kHz and 1~1.5VP-P 2. Connect the oscilloscope and audio oscillator as shown below.
  • Page 35 ADJUSTMENT PROCEDURES-3 CAUTION IN THE CASE OF SPEAKER OUTPUT CHECK The power amplifier circuit of CR-N1 is BTL system. Therefore, in case you check speaker output, should be careful of the following point. 1. Don't connect the minus side of speaker terminal, and ground of the unit (Fig-1).

  • Page 36: Packing Parts List

    HS-N1/DW-S500 PACKING PARTS LIST DESTINATION REF NO. PART NO. DESCRIPTION DW-S500 HS-N1(T) HS-N1(S) 29365090 Warranty card 29053810 Carton 29053809 Carton 29053808 Carton 282301 Staple 29110098 Tape 29362925A UPC Label 29362965A UPC Label 29362960A EAN Label 29100037-1A Poly bag (650 x 500) 29110149 Tape 29100097-1A...
  • Page 37 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8111 Fax: 072-833-5222 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 E-mail: onkyo@onkyousa.com ONKYO EUROPE ELECTRONICS GmbH Industriestrasse 20, 82110 Germering, GERMANY Tel: 089-849-320 Fax: 089-849-3265 E-mail: info@onkyo.de...

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