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Aiwa NSX-R70 Service Manual

Cd stereo system
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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
CD STEREO SYSTEM
SYSTEM
NSX-R70
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual",
NSX-R70 LH(S), S/M Code No. 09-022-452-3T2.
• If requiring information about the CD mechanism, see Service Manual of BZG-5,
(S/M Code No.
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.
http://www.xiaoyu163.com
CD
CASSEIVER
CX–NR70
09-023-353-3NC)
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u163
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i
S/M Code No. 09-024-452-3R2
http://www.xiaoyu163.com
NSX-R70
2 9
8
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3
6 7
1 3
1 5
BASIC TAPE MECHANISM : 2ZM-3MK2 PR7NM
BASIC CD MECHANISM
SPEAKER
SX–NR70
co
.
LH(S)
9 4
2 8
0 5
8
2 9
9 4
2 8
: BZG-5 ZD5GNM
REMOTE
CONTROLLER
RC–CAS01
m
9 9
9 9

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Summary of Contents for Aiwa NSX-R70

  • Page 1 NSX-R70 CX–NR70 SX–NR70 RC–CAS01 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual”, NSX-R70 LH(S), S/M Code No. 09-022-452-3T2. • If requiring information about the CD mechanism, see Service Manual of BZG-5, (S/M Code No. 09-023-353-3NC) u163 S/M Code No.

  • Page 2: Table Of Contents

    http://www.xiaoyu163.com TABLE OF CONTENTS 3 7 63 1515 0 SPECIFICATIONS ................................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ............... 4 NOTE OF BEFORE STARTING REPAIR........................5 , 6 ELECTRICAL PARTS LIST (CX – SNR70) ......................7 ~ 21 ELECTRICAL PARTS LIST (2ZM –...

  • Page 3: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 <FM tuner section> <Compact disc player section> Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (λ =780 nm) Usable sensitivity (IHF) 13.2 dBf D/A converter 1 bit dual Antenna terminals 75 ohms (unbalanced) Signal-to-noise ratio 85 dB (1 kHz, 0 dB) Harmonic distortion...

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

    http://www.xiaoyu163.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING 3 7 63 1515 0 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

    http://www.xiaoyu163.com NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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: Electrical Parts List (Cx - Snr70)

    http://www.xiaoyu163.com ELECTRICAL PARTS LIST = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 8 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 22: Electrical Parts List (2Zm - 3Mk2 Pr7Nm)

    http://www.xiaoyu163.com ELECTRICAL PARTS LIST (2ZM – 3MK2 PR7NM) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 23: Chip Resistor Part Code

    http://www.xiaoyu163.com 3 7 63 1515 0 CHIP RESISTOR PART CODE REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Wattage Type Tolerance Symbol Resistor Code Form 1/16W...

  • Page 24: Wiring - 1 (Main / Jack)

    http://www.xiaoyu163.com WIRING – 1 (MAIN / JACK) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 24 – http://www.xiaoyu163.com...

  • Page 25: Schematic Diagram - 1 (Main 1 / 4 )

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 1 (MAIN 1 / 4 ) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 25 – http://www.xiaoyu163.com...

  • Page 26: Schematic Diagram - 2 (Main 2 / 4 : Tuner Section)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 2 (MAIN 2 / 4 : TUNER SECTION) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 26 – http://www.xiaoyu163.com...

  • Page 27: Schematic Diagram - 3 (Main 3 / 4 : Vf Section)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 3 (MAIN 3 / 4 : VF SECTION) 3 7 63 1515 0 L 13942296513 u163 – 27 – http://www.xiaoyu163.com...

  • Page 28: Schematic Diagram - 4 (Main 4 / 4 : Fan Section)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 4 (MAIN 4 / 4 : FAN SECTION) 3 7 63 1515 0 L 13942296513 u163 – 28 – http://www.xiaoyu163.com...

  • Page 29: Schematic Diagram - 5 (Jack)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 5 (JACK) 3 7 63 1515 0 L 13942296513 u163 – 29 – http://www.xiaoyu163.com...

  • Page 30: Wiring - 2 (Front/ Cd - Led)

    http://www.xiaoyu163.com WIRING – 2 (FRONT / CD – LED) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 30 – http://www.xiaoyu163.com...

  • Page 31: Schematic Diagram - 6 (Front / Deck / Cd - Led)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 6 (FRONT / DECK / CD – LED) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 31 – http://www.xiaoyu163.com...

  • Page 32: Wiring - 3 (Pt)

    http://www.xiaoyu163.com WIRING – 3 (PT) 3 7 63 1515 0 L 13942296513 u163 – 32 – http://www.xiaoyu163.com...

  • Page 33: Schematic Diagram - 7 (Pt)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 7 (PT) 3 7 63 1515 0 L 13942296513 u163 – 33 – http://www.xiaoyu163.com...

  • Page 34: Wiring - 4 (Deck / Head - 1 / Head - 2)

    http://www.xiaoyu163.com WIRING – 4 (DECK / HEAD – 1 / HEAD – 2) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 –...

  • Page 35: Ic Block Diagram

    http://www.xiaoyu163.com IC BLOCK DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 35 – http://www.xiaoyu163.com...

  • Page 36: Fl (Hua - 11Mm42T) Grid Assignment And Anode Connection

    http://www.xiaoyu163.com FL (HUA – 11MM42T) GRID ASSIGNMENT / ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 PIN CONNECTION w w w u 1 6 3 –...

  • Page 37: Ic Description

    http://www.xiaoyu163.com IC DESCRIPTION PD780226GF-030-3BA µ 3 7 63 1515 0 Pin Name Description Pin No. 1O-MOTOR DECK MOTOR output. O-SOL1 DECK SOL1 output. O-SOL2 DECK SOL2 output. O-LED_STB STB output for shift registor. O-MUTE MUTE output. O-KSCAN Initial scan output. O-PLL_CE TUNER chip enable output.
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 Pin Name Description Pin No. I-SPEANA_1 Input spectrum analyzer DATA (Low Frequency). I-SPEANA_2 Input spectrum analyzer DATA (Middle Frequency). I-SPEANA_3 Input spectrum analyzer DATA (High Frequency). I-KEY1 Key input 1. I-KEY2 Key input 2. Signal LEVEL A/D input for RDS / MIC Input for auto vocal fader.

  • Page 39: Adjustment (Tuner / Deck)

    http://www.xiaoyu163.com ADJUSTMENT (TUNER / DECK) 3 7 63 1515 0 L 13942296513 u163 – 39 – http://www.xiaoyu163.com...
  • Page 40 http://www.xiaoyu163.com <TUNER Adjustment> 3 7 63 1515 0 1. VT Check (AM) Requirements • Measuring instrument: Digital multimeter Test points: VT, GND 1) Connect the digital multimeter between VT and GND. 2) Set the function to AM, and tune the receiving frequency of the unit at 1710KHz. 3) Check that the digital multimeter ranges under 9V.
  • Page 41 http://www.xiaoyu163.com <AM Adjustment> 3 7 63 1515 0 Make the following preparations for AM adjustment. Preparations • Standard Signal Generator (S.S.G.) / Loop antenna / Oscilloscope / Millivoltmeter / Dummy resistance (6Ω) 1) Connect the unit and measuring instruments as shown in the diagram below. 2) Position the loop antenna connected to S.S.G.
  • Page 42 http://www.xiaoyu163.com <FM Adjustment> 3 7 63 1515 0 Make the following preparations for FM adjustment. Preparations • Standard Signal Generator (S.S.G.) / Loop antenna / Oscilloscope / Millivoltmeter / Dummy resistance (6Ω) 1) Connect the unit and measuring instruments as shown in the diagram below. 2) Connect the output of S.S.G.
  • Page 43 http://www.xiaoyu163.com <DECK Section> 3 7 63 1515 0 10. Tape Speed Adjustment (DECK2) Requirements • Measuring instrument: Wow and flutter meter (frequency counter) Test tape: TTA-100(3KHz) Test point: HP OUT Adjustment point: SFR1 1) Connect the wow and flutter meter to HP OUT of the unit. 2) Insert the test tape (TTA-100) to DECK 2.
  • Page 44 http://www.xiaoyu163.com 15. Playback Sensitivity Check (DECK1 and DECK2) 3 7 63 1515 0 Requirements • Measuring instrument: Millivoltmeter Test tape: TTA-200(400Hz) Test points: TP8(Lch), TP9(Rch) 1) Connect CH1 of the millivoltmeter to TP8 (Lch) and CH2 to TP9 (Rch). 2) Insert the test tape (TTA-200) to DECK1 and play back. 3) Check that the output level is ranged within 140mV±3dB.

  • Page 45: Cd Test Mode

    http://www.xiaoyu163.com CD TEST MODE 3 7 63 1515 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 46: Mechanical Exploded View

    http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 46 – http://www.xiaoyu163.com...

  • Page 47: Mechanical Parts List

    88-904-201-110 FF-CABLE, 4P 1.25 O MC1036 8B-NF9-207-010 GUIDE,FL 90.2-20 O MC1037 8A-NF8-206-010 HLDR,PWB M O MC1038 8B-NF1-013-010 PANEL,TRAY O MC1039 87-CE3-023-010 BADGE,AIWA 30N SILV O MC1040 88-906-251-110 FF-CABLE,6P 1.25 CX-SNR70 LHSM O MC1041 8C-NF6-011-010 CABI,REAR LHSM O MC1042 8A-NF7-225-010 HLDR,PWB PT 85S...
  • Page 48 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 49: Color Name Table

    http://www.xiaoyu163.com COLOR NAME TABLE 3 7 63 1515 0 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...

  • Page 50: Tape Mechanism Exploded View

    http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 3 7 6 3 1 5 1 5 0 2ZM-3MK2[PR7NM] 1 3 9 4 2 2 9 6 5 1 3 GEAR, PLAY GEAR, PLAY w w w u 1 6 3 – 50 – http://www.xiaoyu163.com...

  • Page 51: Tape Mechanism Parts List

    http://www.xiaoyu163.com TAPE MECHANISM PARTS LIST = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 52 http://www.xiaoyu163.com = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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: General Speaker Disassembly Instructions (For Refernce)

    http://www.xiaoyu163.com GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) 3 7 63 1515 0 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 1 Plastic head hammer unit and then remove the speaker units.

  • Page 54: Speaker Parts List (Sx - Snr70)

    SUFFIX&MODEL SX-SNR70 YLSN OTHERS 8C-NS6-001-010 PANEL,FR L PACKING DU 8C-NS6-851-010 CUSHION,ASSY TTT OTHERS 88-NSK-610-010 SPKR, CERAMIC ASSY OTHERS 8A-NSJ-006-010 BADGE,AIWA S35 OTHERS 8B-NSA-003-010 PANEL,BA R OTHERS 8B-NSA-004-010 PANEL,BA L OTHERS 8B-NSH-612-010 CORD,SPKR OTHERS 8B-NSK-604-010 SPKR, T 60 OTHERS 8C-NS6-002-010 PANEL,FR R...

  • Page 55: 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-SNR70 LHSM ACCESSORY 87-006-225-010 ANT,LOOP ANT NC2 ACCESSORY 87-A92-262-010 PLUG,CONVERSION WT01011 ACCESSORY 87-A92-345-010 ANT,WIRE FM(SEMI-ST) ACCESSORY 8B-NF1-701-110 RC UNIT,CAS01 PRINTED DU 8C-NF6-902-010 IB,LH(ESP)M NSX-R70 L 13942296513 u163 – 55 – http://www.xiaoyu163.com...

  • Page 56: Others Parts List (Cx - Snr70)

    http://www.xiaoyu163.com OTHERS PARTS LIST (CX – SNR70) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 57: Others Parts List (2Zm - 3Mk2 Pr7Nm)

    http://www.xiaoyu163.com OTHERS PARTS LIST (2ZM – 3MK2 PR7NM) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. 3 7 63 1515 0 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 58 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 9720501 921338 http://www.xiaoyu163.com...

This manual is also suitable for:

Nsx-r70lhNsx-r70lhsCx-nr70Sx-nr70Rc-cas01

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