Aiwa NSX-DS50 Service Manual
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Aiwa NSX-DS50 Service Manual

Aiwa NSX-DS50 Service Manual

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All manuals and user guides at all-guides.com
SERVICE MANUAL
COMPACT DISC
STEREO SYSTEM
SYSTEM
NSX-DS50
NSX-DS55
• This Service Manual is the "Revision Publishing" and replaces
"Simple Manual" of NSX-DS50 / DS55 <U>, (S/M Code No. 09-014-445-3T1).
• If requiring information about the CD mechanism, see Service Manual of
BZG-5, (S/M Code No. 09-00C-353-3N2).
NSX-DS50
NSX-DS55
BASIC TAPE MECHANISM : ZZM-3 PR3NM
BASIC CD MECHANISM : BZG-5 ZD3NM
CD
SPEAKER
CASSEIVER
SX-NAJ502
CX-NDS50
SX-R290
CX-NDS55
SX-C610
S/M Code No. 09-017-445-3R1
U
U
REMOTE
CONTROLLER
RC-BAS10 VS

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Summary of Contents for Aiwa NSX-DS50

  • Page 1 CX-NDS55 SX-C610 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” of NSX-DS50 / DS55 <U>, (S/M Code No. 09-014-445-3T1). • If requiring information about the CD mechanism, see Service Manual of BZG-5, (S/M Code No. 09-00C-353-3N2).

  • Page 2: Specifications

    All manuals and user guides at all-guides.com SPECIFICATIONS MAIN UNIT CX-NDS50 / CX-NDS55 GENERAL Power requirements 120 V AC, 60 Hz TUNER Power consumption 175 W FM tuning range 87.5 MHz to 108 MHz Power consumption With ECO mode on: 0.6 W FM usable sensitivity (IHF) 13.2 dBf in standby mode...

  • Page 3: Protection Of Eyes From Laser Beam During Servicing

    All manuals and user guides at all-guides.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully CAUTION 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 4: Note On Before Starting Repair

    All manuals and user guides at all-guides.com NOTE ON BEFORE STARTING REPAIR 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 5 All manuals and user guides at all-guides.com 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 6: Electrical Main Parts List

    All manuals and user guides at all-guides.com ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION MAIN C.B 87-A21-893-040 C-IC,NJM14558V-TE2 87-012-368-080 C-CAP,S 0.1-50 F 87-A20-783-040 C-IC,BA7762AFS 87-012-368-080 C-CAP,S 0.1-50 F 87-A21-703-040 C-IC,SN74LV244APW 87-012-368-080 C-CAP,S 0.1-50 F 87-A21-916-040 C-IC,SN74LV125APW...
  • Page 7 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C275 87-A12-091-080 CAP,E 10-50 SMG C689 87-A12-058-080 CAP,E 470-6.3 M SMG C301 87-012-278-080 C-CAP,U 2200P-50 B C701 87-012-195-080 C-CAP,U 100P-50CH C301 87-012-188-080 C-CAP,U 47P-50 CH C702...
  • Page 8 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C997 87-010-831-080 C-CAP,U,0.1-16F C501 87-012-195-080 C-CAP,U 100P-50CH C998 87-A12-071-080 CAP,E 47-25 SMG C502 87-012-195-080 C-CAP,U 100P-50CH C999 87-A11-155-080 CAP,TC U 0.01-16 Z F C503 87-012-195-080 C-CAP,U 100P-50CH...
  • Page 9 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION S335 87-A90-095-080 SW,TACT EVQ11G04M C216 87-A11-538-080 C-CAP,S 0.12-25 J B S341 87-A90-095-080 SW,TACT EVQ11G04M C217 87-012-277-080 C-CAP,U 1800P-50 K B GRM S342 87-A90-095-080 SW,TACT EVQ11G04M...
  • Page 10 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION FB702 87-008-372-080 FILTER, EMI BL OIRNI PT C.B FB801 87-008-372-080 FILTER, EMI BL OIRNI FB802 87-008-372-080 FILTER, EMI BL OIRNI 87-A10-831-010 CAP,E 1000-25 M SMG X701 87-A70-115-010...

  • Page 11: Chip Resistor Part Code

    All manuals and user guides at all-guides.com CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Wattage Type Tolerance Symbol Resistor Code Form 1/16W 1005 0.35 1/16W 1608 0.45 1/10W 2125 1.25 0.45 1/8W...
  • Page 12 All manuals and user guides at all-guides.com WIRING – 1 (MAIN / FAN / VM2) – 12 –...
  • Page 13 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 1 (MAIN 1 / 4 / FAN) – 13 –...
  • Page 14 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 2 (MAIN 2 / 4 : TUNER) – 14 –...
  • Page 15 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 3 (MAIN 3 / 4 : AMP) – 15 –...
  • Page 16 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 4 (MAIN 4 / 4 : DECK) – 16 –...

  • Page 17: Wiring - 2 (Front)

    All manuals and user guides at all-guides.com WIRING – 2 (FRONT) – 17 –...

  • Page 18: Schematic Diagram - 5 (Front / Deck)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 5 (FRONT / DECK) – 18 –...
  • Page 19 All manuals and user guides at all-guides.com WIRING – 3 (AC3) <1 / 2> – 19 –...
  • Page 20 All manuals and user guides at all-guides.com WIRING – 3 (AC3) <2 / 2> – 20 –...
  • Page 21 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 6 (AC3 / VM2) – 21 –...
  • Page 22 All manuals and user guides at all-guides.com WIRING – 4 (AMP / JACK / DET) – 22 –...
  • Page 23 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 7 (AMP / JACK / DET) – 23 –...
  • Page 24 All manuals and user guides at all-guides.com WIRING – 5 (PT) – 24 –...

  • Page 25: Schematic Diagram - 8 (Pt)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 8 (PT) – 25 –...
  • Page 26 All manuals and user guides at all-guides.com WIRING – 6 (DECK) TO FRONT C.B CN104 J DECK C.B (FFC104) 11 9 7 5 3 1 10 8 6 4 2 (CAM2) (CAM1) (REA) (CST2) (CST1) SOL2 SOL1 SFR1 TAPE MOTOR –...

  • Page 27: Ic Block Diagram

    All manuals and user guides at all-guides.com IC BLOCK DIAGRAM – 27 –...
  • Page 28 All manuals and user guides at all-guides.com – 28 –...
  • Page 29 All manuals and user guides at all-guides.com FL (HNA-08MM29) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – 29 –...
  • Page 30 All manuals and user guides at all-guides.com ANODE CONNECTION (UP) (DOWN) – 30 –...
  • Page 31 All manuals and user guides at all-guides.com IC DESCRIPTION µ PD784975AGF-102-3BA Pin Name Description Pin No. AVDD – Power supply. I-HOLD Power failure detected input. I-CDSW CD mecha switch A/D converter input. I-SPEANA_1 A/D input for spectrum analyser level display. I-SPEANA_2 A/D input for spectrum analyser level display.
  • Page 32 All manuals and user guides at all-guides.com Pin Name Description Pin No. O-DSC/O-DATA Function IC / Tuner IC, data output. I-STEREO Tuner STEREO detect input. I-IFC Tune IF count serial data input. O-5VDSPRESET IC, CS49326 reset output. I-2VINTREQ IC, CS49326 INT input. –...
  • Page 33 All manuals and user guides at all-guides.com ADJUSTMENT <TUNER / FRONT / DECK> < TUNER SECTION > < DECK SECTION > 1. Clock Frequency Check 9. Tape Speed Adjustment (DECK 2) Settings : • Test point : TP2(CLK) Settings : • Test tape : TTA–100 Method : Set to AM 1710kHz and check that the test point is •...

  • Page 34: Cd Test Mode

    All manuals and user guides at all-guides.com CD TEST MODE 1. How to Start the CD Test Mode While pressing the FUNCTION button, insert the AC plug to the power outlet. When the test mode is started, the message [CD TEST] is displayed. 2.

  • Page 35: Mechanical Exploded View

    All manuals and user guides at all-guides.com MECHANICAL EXPLODED VIEW 1 / 1 BZG-5 ZD3NM WIRE, BINDER WIRE, FL901 BINDER WIRE, HT-SINK,S BINDER HT-SINK, FIN T2 17 18 PLATE,EATH MECH ZZM-3 PR3NM CHAS,MAIN – 35 –...

  • Page 36: Mechanical Parts List

    All manuals and user guides at all-guides.com MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8B-NFK-008-010 PANEL,TRAY 39 87-A80-149-010 AC CORD ASSY,U BLK 2 8B-NFK-013-010 WINDOW,TRAY 40 8B-NF7-236-010 HLDR,PWB PNRM R 3 8B-NCK-011-010 WINDOW,DISP U<50>...
  • Page 37 All manuals and user guides at all-guides.com TAPE MECHANISM EXPLODED VIEW 1 / 1 TERMINAL, TERMINAL,LB1 IC, EW732 IC, EW732 – 37 –...

  • Page 38: Tape Mechanism Parts List

    All manuals and user guides at all-guides.com TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 8Z-ZM3-227-010 BELT,MAIN M3 8Z-ZM3-233-010 SPR-T,BRG M3 8Z-ZM3-235-010 BELT,MAIN L 84-ZM2-227-310 SPR-C,AZIMUTH 8Z-ZM1-235-010 PULLEY,MOT 87-A92-198-010 HEAD,PH HASVH 2504A 87-045-347-010 MOT,SHU2L 70...

  • Page 39: General Speaker Disassembly Instructions (For Reference)

    All manuals and user guides at all-guides.com GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) 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 40: Accessories / Package List

    All manuals and user guides at all-guides.com SPEAKER PARTS LIST SX-NAJ502 (YUSC,YUSC9,YUSL) REF. NO. PART NO. KANRI DESCRIPTION 1 8B-NS0-001-010 PANEL,FR 2 8B-NS0-003-010 GRILLE,FRAME ASSY 3 8B-NS0-008-010 PROTECTOR,TW 4 8B-NSK-602-010 SPKR,W 160<YUSC> 4 8B-NS0-602-010 SPKR,W 160 30/4<YUSC9,YUSL> 5 87-NSH-612-010 SPKR,CERAMIC ASSY 6 87-NS7-611-010 CORD,SPKR 7 8B-NSK-604-010...
  • Page 41 All manuals and user guides at all-guides.com 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820543 9301978 921338 Printed in Singapore...

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Nsx-ds55

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