Aiwa NSX-SZ50 EZ Service Manual
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Aiwa NSX-SZ50 EZ Service Manual

Aiwa NSX-SZ50 EZ Service Manual

Compact disc/stereo cassette receiver
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SERVICE MANUAL
COMPACT DISC/
STEREO CASSETTE RECEIVER
SYSTEM
NSX–SZ50
NSX–SZ52
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-SZ50 <EZ,K,HA> & NSX-SZ52<EZ> (S/M Code No. 09-002-424-6T2).
• If requiring information about the CD mechanism, see Service Manual of AZG-1,
(S/M Code No. 09-001-335-3N6).
NSX-SZ50
NSX-SZ52
BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM(HA)
BASIC TAPE MECHANISM : 6ZM-3 PR2NM(K/EZ)
BASIC CD MECHANISM : AZG-1 YZD8RDM(K)
BASIC CD MECHANISM : AZG-1 ZD8RDM(EZ/HA)
CD
CASSEIVER
CX–NSZ50
SX–WNSZ50
SX–WNSZ52
CX–NSZ52
S/M Code No. 09-004-424-6R4
REMOTE
SPEAKER
CONTROLLER
RC–ZAS01
RC–ZAS01
EZ,K,HA
EZ

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Summary of Contents for Aiwa NSX-SZ50 EZ

  • Page 1 NSX-SZ50 EZ,K,HA NSX-SZ52 SERVICE MANUAL BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM(HA) COMPACT DISC/ BASIC TAPE MECHANISM : 6ZM-3 PR2NM(K/EZ) STEREO CASSETTE RECEIVER BASIC CD MECHANISM : AZG-1 YZD8RDM(K) BASIC CD MECHANISM : AZG-1 ZD8RDM(EZ/HA) REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX–SZ50 CX–NSZ50 SX–WNSZ50 RC–ZAS01...

  • Page 2: Specifications

    SPECIFICATIONS Main unit CX-NSZ50, CX-NSZ52 FM tuner section Cassette deck section Tuning range 87.5 MHz to 108 MHz Track format 4 tracks, 2 channels stereo Usable sensitivity (IHF) 16.8 dBf <EZ, K> Frequency response 50 Hz – 15000 Hz 13.2 dBf <HA> Recording system AC bias Antenna terminal...

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

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

  • Page 4: Note On Before Starting Repair

    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 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

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0003 87-012-368-080 C-CAP,S 0.1-50 Z F C0004 87-012-368-080 C-CAP,S 0.1-50 Z F 87-020-454-010 IC,DN6851 C0005 87-012-368-080 C-CAP,S 0.1-50 Z F 87-A21-417-010 IC,STK490-310 C0006 87-012-368-080 C-CAP,S 0.1-50 Z F 8A-NF8-625-030 C-IC,LC866548V-****<K>...
  • Page 7 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0229 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 C0612 87-010-545-080 CAP,E 0.22-50 M 11L SME C0230 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 C0613 87-010-545-080 CAP,E 0.22-50 M 11L SME C0231 87-010-196-080 C-CAP,S 0.1-25 Z F C2012...
  • Page 8 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0858 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 L0202 87-003-383-010 COIL,1UH K C0859 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 L0451 87-007-342-010 COIL,OSC 85KHZ BIAS C0860 87-010-197-080 C-CAP,S 0.01-25 K B C2012 L0801 87-A50-540-010 COIL,FM DET(TOK)
  • Page 9 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0339 87-012-156-080 C-CAP,S 220P-50 J CH GRM S0425 87-A91-024-180 SW,TACT KSHG611BT C0340 87-010-197-080 C-CAP,S 0.01-25 K B C2012 S0426 87-A91-024-180 SW,TACT KSHG611BT C0341 87-010-194-080 C-CAP,S 0.047-25 Z F S0430 87-A91-024-180 SW,TACT KSHG611BT...

  • Page 10: Transistor Illustration

    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 3216 0.55 TRANSISTOR ILLUSTRATION E C B E C B B C E...

  • Page 29: Color Name Table

    WINDOW,DISP E<52EZSM> 87-085-185-010 BUSHING, AC CORD (E) 87-A80-105-010 AC CORD ASSY,AZ<50HASM> 8A-NF8-046-010 WINDOW,DISP H<50EZSM,50HASM> 87-A80-143-010 AC CORD ASSY,E BLK<50KSE> 87-CE3-023-010 BADGE,AIWA 30N SILV 87-A80-092-010 AC CORD ASSY,E BLK SUN FAI <50EZSM,50HASM,52EZSM> <EXCEPT 50KSE,50HASM> 8A-NF8-009-010 PANEL,CD<50EZSM,50HASM,52EZSM> 8Z-NB8-240-010 COVER, PL 8A-NF8-007-010 PANEL,LEFT V-2...
  • Page 30 TAPE MECHANISM MAIN PARTS LIST 1/1 <50HA: 2ZM-3MK2 PR4NM> REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 82-ZM3-301-610 1H CHAS ASSY,M2 31 82-ZM1-255-310 0E SPR-E,LVR DIR 2 82-ZM1-258-210 0E SPR-T,PINCH L 32 82-ZM3-305-210 0E GEAR,CAM M2 3 82-ZM1-341-210 1A LVR ASSY,PINCH L2 33 82-ZM1-227-310 0E LVR,TRIG 4 82-ZM1-333-210 0E PLATE,LINK2...
  • Page 33 TAPE MECHANISM MAIN PARTS LIST 1/1 <50EZ/50K/52EZ: 6ZM-3 PR2NM> REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 86-ZM3-215-010 1E CHAS ASSY,RS 41 82-ZM1-216-310 0E GEAR,REEL 2 86-ZM3-202-010 0E BASE,HEAD S 42 86-ZM3-213-010 0E S-SCREW,HLDR,MOT 3 3 86-ZM3-205-010 0E SPR-C,RPH S 43 82-ZM1-225-210 0E GEAR,FR 4 82-ZM1-333-210 0E PLATE,LINK 2...
  • Page 34 SPEAKER DISASSEMBLY INSTRUCTIONS 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. 2 ( – ) flat head screwdriver 3 Cut chisel How to Remove the PANEL, FR Type.2...

  • Page 35: Speaker Parts List

    3 8A-DS8-005-010 GRILLE,FRAME ASSY 4 8A-DS8-009-010 PROTECTOR, 5 88-NS5-610-010 CORD,SPKR 6 88-NS5-611-010 CORD,SPKR B/L 7 8Z-NSY-003-010 CORD,BUSH 8 88-NS3-029-010 CORD,BUSH L 9 8Z-NS7-602-010 SPKR, W 160 10 8Z-NSY-604-010 SPKR, M 100 11 8Z-NSY-608-010 SPKR, CERAMIC ASSY 12 8A-NSJ-006-010 BADGE,AIWA S35...
  • Page 36 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 920074 Printed in Singapore...

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