Aiwa NSX-R10 Service Manual
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Aiwa NSX-R10 Service Manual

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SERVICE MANUAL
CD STEREO SYSTEM
SYSTEM
NSX-R10
If requiring information about the CD mechanism, see Service Manual of
BZG-2, (S/M Code No. 09-023-353-2N8).
NSX-R10
BASIC CD MECHANISM : BZG-2 ZD9GNC1
BASIC TAPE MECHANISM : CMAT6Z2(1+1)ALPS
CD
CASSEIVER
CX-NR10
S/M Code No. 09-026-455-6N2
SPEAKER
CONTROLLER
SX-NR10
RC-CAS03(VS)
EZ(S), K(S)
REMOTE

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Summary of Contents for Aiwa NSX-R10

  • Page 1 NSX-R10 EZ(S), K(S) SERVICE MANUAL BASIC CD MECHANISM : BZG-2 ZD9GNC1 CD STEREO SYSTEM BASIC TAPE MECHANISM : CMAT6Z2(1+1)ALPS REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX-R10 CX-NR10 SX-NR10 RC-CAS03(VS) If requiring information about the CD mechanism, see Service Manual of BZG-2, (S/M Code No. 09-023-353-2N8).

  • Page 2: Table Of Contents

    TABLE OF CONTENTS -1/1 SPECIFICATIONS ................................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ..............4 NOTE ON BEFORE STARTING REPAIR ........................5, 6 ACCESSORIES PARTS LIST .............................. 7 ELECTRICAL PARTS LIST ............................8 ~ 21 TRANSISTOR ILLUSTRATION ............................22 SCHEMATIC DIAGRAM -1/5 (MAIN-1/2, AMP SECTION) ....................

  • Page 3: Specifications

    SPECIFICATIONS -1/1 <EZ Model> <K Model> MAIN UNIT CX-NR10 MAIN UNIT CX-NR10 TUNER TUNER FM tuning range 87.5 MHz to 108 MHz FM tuning range 87.5 MHz to 108 MHz FM usable sensitivity (IHF) 16.8 dBf FM usable sensitivity (IHF) 16.8 dBf FM antenna terminal 75 ohms (unbalanced)

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

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING -1/1 CAUTION This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing. Use of controls or adjustments or performance of proce- dures other than those specified herin may result in WARNING!! hazardous radiation exposure.

  • Page 5: Note On Before Starting Repair

    NOTE ON BEFORE STARTING REPAIR -1/2 1. Forced discharge of electrolytic capacitor of power supply block When repair is going to be attempted in the set that uses relay circuit in the power supply block, electric potential is kept charged across the electrolytic capacitors (C101, 102) even though AC power cord is removed.
  • Page 6 NOTE ON BEFORE STARTING REPAIR -2/2 In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 2-2. Regarding reset There are cases that the machine does not work correctly because the MICROCOMPUTER is not reset even though the AC power cord is re-inserted, or the software reset (pressing the STOP key + POWER key) is performed.

  • Page 7: Accessories Parts List

    Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL CX-SNR10 CX-SNR10 EZSC1 KSC1 O AS1001 8C-NFA-916-010 IB,EZ(9L)S NSX-R10 O AS1001 8C-NFA-905-010 IB,K(E)S NSX-R10 O AS1002 87-A92-150-010 ANT,LOOP AM NO-CONT O AS1003 87-A92-346-010 ANT,WIRE FM(FASTEN) O AS1004 8C-NF8-702-010 RC UNIT,RC-CAS03(VS) O AS1005...

  • Page 8: Electrical Parts List - 1/14

    ELECTRICAL PARTS LIST - 1/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 9 ELECTRICAL PARTS LIST - 2/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 10 ELECTRICAL PARTS LIST - 3/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 11 ELECTRICAL PARTS LIST - 4/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 12 ELECTRICAL PARTS LIST - 5/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 13 ELECTRICAL PARTS LIST - 6/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 14 ELECTRICAL PARTS LIST - 7/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 15 ELECTRICAL PARTS LIST - 8/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 16 ELECTRICAL PARTS LIST - 9/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 17 ELECTRICAL PARTS LIST - 10/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 18 ELECTRICAL PARTS LIST - 11/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 19 ELECTRICAL PARTS LIST - 12/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 20 ELECTRICAL PARTS LIST - 13/14 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 21 ELECTRICAL PARTS LIST - 14/14 • Regarding connectors, they are not stocked as they are not the initial order items. The connectors are available after they are supplied from connector manufacturers upon the order is received. CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code...

  • Page 22: Transistor Illustration

    TRANSISTOR ILLUSTRATION -1/1 B C E B C E E C B E C B 2SB1548 2SB1342 2SA1980G 2SC5343GL 2SD1933 2SA1981Y 2SC3331(T/U) E C B S D G 2SJ460 2SK360E 2SK2158 2SA1585SR 2SK2541 2SA1235F 2SD1306E 2SC2620B 2SD1306NE07TL 2SC3052F SRA2202S 2SC3906K R SRA2207S 2SC5345SF/S(O) -22-...

  • Page 23: Schematic Diagram -1/5 (Main-1/2, Amp Section)

    SCHEMATIC DIAGRAM - 1/5 (MAIN -1/2, AMP SECTION) (NC) (NC) (NC) -23-...

  • Page 24: Schematic Diagram -2/5 (Main-2/2, Tuner Section)

    SCHEMATIC DIAGRAM - 2/5 (MAIN -2/2, TUNER SECTION) -24-...

  • Page 25: Schematic Diagram -3/5 (Hp Section)

    SCHEMATIC DIAGRAM -3/5 (HP SECTION) -25-...

  • Page 26: Wiring -1/4 (Main C.b, Hp C.b)

    WIRING - 1/4 (MAIN C.B/HP C.B) R969 R302 L953 C789 Q304 C603 C612 C901 C914 C971 C902 R632 L903 L901 Q904 C920 C922 C903 C916 C918 R911 R995 R997 R902 C908 R990 R909 R627 C465 Q451 -26-...

  • Page 27: Schematic Diagram -4/5 (Front/Deck Section)

    SCHEMATIC DIAGRAM - 4/5 (FRONT/DECK SECTION) (NC) (NC) (NC) -27-...

  • Page 28: Wiring -2/4 (Front C.b)

    WIRING - 2/4 (FRONT C.B) -28-...

  • Page 29: Wiring -3/4 (Deck C.b)

    WIRING - 3/4 (DECK C.B) DECK C.B DECK 1 DECK 2 P HEAD E / RP HEAD CNA301 CNA302 TO MAIN C.B TO MAIN C.B CN301 CN302 -29-...

  • Page 30: Schematic Diagram -5/5 (Power Section)

    SCHEMATIC DIAGRAM -5/5 (POWER SECTION) -30-...

  • Page 31: Wiring -4/4 (Power C.b)

    WIRING - 4/4 (PT C.B) -31-...

  • Page 32: Electrical Adjustment

    ELECTRICAL ADJUSTMENT -1/7 MAIN C.B PARTS SIDE T C942 L941 L802 L942 L953 L952 L901 SFR451 L907 L902 L905 L904 SFR452 MAIN C.B PA TTERN SIDE IC801 GN D DECK C.B MOTOR -32-...
  • Page 33 ELECTRICAL ADJUSTMENT -2/7 <TUNER Adjustment> 1. VT Adjustment and Check (LW) Requirements Measuring instrument: Digital multimeter Test point: VT, GND Adjustment point: L942 (1) Connect a digital multimeter to VT and GND. (2) Set the unit function to LW, and adjust the receiving frequency at 144 kHz. (3) Adjust L942 so that the digital multimeter indicates 1.3 ±...
  • Page 34 ELECTRICAL ADJUSTMENT -3/7 <MW/LW Adjustment> Make sure that the following settings are done before adjustment. Preparation Measuring instruments: Standard Signal Generator (S.S.G.) / Loop antenna / Oscilloscope / Millivoltmeter / Dummy resistor (6Ω) (1) Connect the measuring instruments as shown in the diagram below. (2) Keep a distance of 60cm between the loop antenna of signal generator and the one connected to the unit.
  • Page 35 ELECTRICAL ADJUSTMENT -4/7 8. Auto-Stop Function Check (MW) Requirements: Same as Item 5. (1) Adjust the S.S.G setting to AM; carrier at 999 kHz; distortion rate at 30 %; source at 1 kHz, and output at 40 ~ 65 dBuV. (2) Start the tuning search mode, and check that the auto-stop function is applied at MW 999 kHz.
  • Page 36 ELECTRICAL ADJUSTMENT -5/7 <Deck Section> 12.Tape Speed Adjustment (DECK 2) Requirements Measuring instruments: Wow-flutter meter (frequency counter) Test tape: TTA-100 (3 kHz) Test point: HP OUT Adjustment point: DECK MOTOR SFR (1) Connect the HP OUT terminal of the unit to the wow-flutter meter. (2) Insert the test tape (TTA-100) to DECK 2.
  • Page 37 ELECTRICAL ADJUSTMENT -6/7 17.Playback Sensitivity Check (DECK 1, DECK 2) Requirements Measuring instrument: Millivoltmeter Test tape: TTA-200 (400 Hz) Test point: TP8 (Lch), TP9 (Rch) (1) Connect the CH1 of millivoltmeter to TP8 (Lch) and the CH2 to TP9 (Rch). (2) Insert the test tape (TTA-200) to DECK 1 to playback.
  • Page 38 ELECTRICAL ADJUSTMENT -7/7 <Front Section> FRONT C.B PA TTERN SIDE KSCAN FRONT C.B PA RTS SIDE L951 20. Clock Adjustment Requirement FREQUENCY CO UNTER Measuring instrument: Frequency counter Test point: CLOCK, GND Adjustment point: L951 CLOCK (1) While pressing and holding down the POWER button and the UP button, insert the AC plug. (2) Adjust L951 so that the frequency counter indicates 72.743 ±...

  • Page 39: Cd Test Mode

    CD TEST MODE -1/1 CD TEST MODE Ver. 3.0 1. Starting CD Test Mode While pressing and holding down the CD OPEN/CLOSE button, insert the AC plug to outlet. When test mode starts, the message, TEST appears on the display. 2.

  • Page 40: Fl Display (Hua-13Ss09T)

    FL DISPLAY - 1/1 (HUA-13SS09T) GRID ASSIGNMENT ANODE CONNECTION PIN CONNECTION -40-...

  • Page 41: Ic Block Diagram

    IC BLOCK DIAGRAM -1/2 IC, LC72131D-N C, BD3881FV -41-...
  • Page 42 IC BLOCK DIAGRAM -2/2 IC, LA1845N-A -42-...

  • Page 43: Ic Description

    IC DESCRIPTION -1/1 (µPD780226GF-033-3BA) -1/2 Pin Name Pin No. Description O-MOTOR DECK motor output. O-SOL1 DECK1 solenoid output. O-SOL2 DECK2 solenoid output. O-STBY LED Standby LED output. (Not used) O-MUTE System mute ON/OFF output. O-KSCAN Key scan timing output. O-PLL_CE PLL chip enable output for LC72131D-N.
  • Page 44 IC DESCRIPTION -1/1 (µPD780226GF-033-3BA) -2/2 Pin Name Description Pin No. I-SPEANA_1 A/D input for spectrum analyser level display. I-SPEANA_2 A/D input for spectrum analyser level display. I-SPEANA_3 A/D input for spectrum analyser level display. I-KEY 1 Key A/D input 1. I-KEY 2 Key A/D input 2.

  • Page 45: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW -1/1 -45-...

  • Page 46: Mechanical Parts List

    O MC1030 88-911-101-110 FF-CABLE,11P 1.25 100MM O MC1031 8A-NFA-208-010 GUIDE,FL 100-25 ANFA X MC1032 8C-NF9-621-010 PWB,FRONT CNF-9 O MC1033 87-B00-002-010 BADGE,AIWA 30 ABS SIL O MC1034 8C-NFA-009-010 PANEL,TRAY X MC1035 M8-BZG-29J-070 BZG-2 ZD9GNC1 O MC1036 8A-NF8-206-010 HLDR,PWB M O MC1037...

  • Page 47: Color Name Table

    COLOR NAME TABLE -1/1 Basic color symbol Color Basic color symbol Color Basic color symbol Color Black Cream Orange Green Gray Blue Transparent Blue Gold Pink Silver Titan Silver Brown Violet White Transparent White Yellow Transparent Yellow Metallic Blue Light Blue Transparent Green Dark Blue Transparent Orange...

  • Page 48: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW -1/1<CMAT6Z2 (1+1)ALPS> -48-...

  • Page 49: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST -1/1<CMAT6Z2 (1+1)ALPS> = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.

  • Page 50: General Speaker Disassembly Instructions (For Reference)

    GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) -1/1 Type.1 Type.4 Insert a flat-bladed screwdriver into the position indicated by the TOOLS arrows and remove the panel. Remove the screws of each speaker Plastic head hammer unit and then remove the speaker units. ) flat head screwdriver Cut chisel How to Remove the PANEL, FR...

  • Page 51: Speaker Parts List (Sx-Nr10)

    Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL SX-SNR10 O SP1001 8A-NSJ-006-010 BADGE,AIWA S35 O SP1002 8C-NSA-001-010 GRILLE,FRAME ASSY X SP1003 8C-NSA-002-010 GRILLE,FRAME O SP1004 8C-NSA-003-010 PANEL,BA DUCT...

  • Page 52: Other Parts List

    OTHER PARTS LIST -1/1 = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 53 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 0251431...

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