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Aiwa NSX-SZ70 Service Manual

Compact disc stereo cassette receiver
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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
CD-CASSEIVER
NSX-SZ70
NSX-SZ72
NSX-SZ73
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-SZ70/SZ72/SZ73 (S/M Code No. 09-002-425-3T3).
• If requiring information about the CD mechanisim, see Service Manual of AZG-1
(S/M Code No. 09-001-335-3N8).
NSX-SZ70
NSX-SZ72
NSX-SZ73
BASIC TAPE MECHANISM: 2ZM-3MK2 PR4NM
BASIC CD MECHANISM: AZG-1 ZD3RDM
SPEAKER
SX-WNSZ70
CX-NSZ70
CX-NSZ72
SX-WNSZ71
SX-WNH81
CX-NSZ73
S/M Code No. 09-006-425-3R3
EZ,K
EZ
EZ
REMOTE CONTROLLER
RC-ZAS01

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  • Page 1 NSX-SZ73 CX-NSZ73 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” NSX-SZ70/SZ72/SZ73 (S/M Code No. 09-002-425-3T3). • If requiring information about the CD mechanisim, see Service Manual of AZG-1 (S/M Code No. 09-001-335-3N8). S/M Code No. 09-006-425-3R3...

  • Page 2: Specifications

    <MW tuner section> Wow and flutter Unmeasurable Tuning range 531 kHz to 1602 kHz (9 kHz step) 530 kHz to 1710 kHz (10 kHz step) <Speaker system SX–WNSZ70/SX-WNSZ71>(NSX-SZ70/NSX-SZ72) Usable sensitivity 350 uV/m Speaker system 3 way, Built-in subwoofer(magnetic Antenna Loop antenna...

  • 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 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 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 All manuals and user guides at all-guides.com ELETRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-016-658-000 CAP,E 4700-35 M SMG 87-016-658-000 CAP,E 4700-35 M SMG 8A-NF6-610-010 C-IC,LC876564V-5P35<70EZ,K> 87-010-406-080 CAP, ELECT 22-25V 8A-NF6-605-010 C-IC,LC876572V-5P63<73EZ>...
  • Page 7 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C355 87-010-178-080 CHIP CAP 1000P C630 87-010-383-080 CAP, ELECT 33-25V C356 87-010-260-080 CAP, ELECT 47-25V C631 87-010-185-080 C-CAP,S 3900P-50 B C357 87-010-197-080 CAP, CHIP 0.01 DM C632...
  • Page 8 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C824 87-010-404-080 CAP, ELECT 4.7-50V CNA2 8A-NF6-630-010 CONN ASSY,3P (VM) ANF-6 C825 87-010-596-080 CAP, S 0.047-16 FB301 87-008-372-080 FLTR,EMI BL01 RN1 C831 87-010-406-080 CAP,E 22-50 M 11L SME...
  • Page 9 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C182 87-010-178-080 CHIP CAP 1000P LED422 87-A40-317-080 LED,SLR-342VCT31 RED C183 87-012-156-080 C-CAP,S 220P-50 CH LED423 87-A40-317-080 LED,SLR-342VCT31 RED C202 87-012-157-080 C-CAP,S 330P-50 CH LED424 87-A40-317-080 LED,SLR-342VCT31 RED...
  • Page 10 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C117 87-012-368-080 C-CAP,S 0.1-50 ZF VM C.B C119 87-010-197-080 CAP, CHIP 0.01 DM C120 87-010-197-080 CAP, CHIP 0.01 DM CNA3 87-049-919-010 CONN,3P V WHT EH C133 87-010-190-080...

  • 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: Wiring - 1 (Main)

    All manuals and user guides at all-guides.com WIRING - 1 (MAIN) - 12 -...
  • Page 13 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM - 1 (MAIN 1 / 3: AMP/ VM) - 13 -...
  • Page 14 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM - 2 (MAIN 2 / 3: DECK / HEAD-1 / HEAD-2) - 14 -...
  • Page 15 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM - 3 (MAIN 3 / 3: TUNER) - 15 -...

  • Page 16: Wiring - 2 (Front)

    All manuals and user guides at all-guides.com WIRING - 2 (FRONT) - 16 -...
  • Page 17 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM - 4 (FRONT/ DECK) - 17 -...
  • Page 18 All manuals and user guides at all-guides.com WIRING - 3 (AMP: K) - 18 -...
  • Page 19 All manuals and user guides at all-guides.com WIRIING - 4 (AMP: EZ) - 19 -...
  • Page 20 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM - 5 (AMP) - 20 -...
  • Page 21 All manuals and user guides at all-guides.com WIRING - 5 (PT) - 21 -...

  • Page 22: Schematic Diagram - 6 (Pt)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM - 6 (PT) - 22 -...
  • Page 23 All manuals and user guides at all-guides.com WIRING - 6 (DECK / HEAD-1 / HEAD-2) - 23 -...

  • Page 24: Ic Block Diagram

    All manuals and user guides at all-guides.com IC BLOCK DIAGRAM - 24 -...
  • Page 25 All manuals and user guides at all-guides.com - 25 -...
  • Page 26 All manuals and user guides at all-guides.com FL (BJ754 GNK)GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT - 26 -...
  • Page 27 All manuals and user guides at all-guides.com ANODE CONNECTION - 27 -...
  • Page 28 All manuals and user guides at all-guides.com IC DESCRIPTION IC, LC876564V-5P35/LC876572V-5063/LC876572V5063 Description Pin No. Pin Name O-CLK Common serial CLOCK output. O-DATA Common Serial DATA output. O-STB Common serial STROBE output. O-POWER System power ON/OFF output. O-STB Strobe output for shift register. O-RYM-CS Chip select output for rhythm IC.
  • Page 29 All manuals and user guides at all-guides.com Pin No. Pin Name Description P22/DSP FL segment P22 output / DSP less diode input. P21/PRO/5.1 FL segment P21 output / PRO-LOGIC 5.1CH diode input (Not used). FL segment P20 output. P19/DOBLY FL segment P19 output / Deck DOBLY diode input. FL segment P18 output.
  • Page 30 All manuals and user guides at all-guides.com < TUNER SECTION > 1. Clock Frequency Check < DECK SECTION > Settings : • Test point : TP2 (CLK) 10. Tape Speed Adjustment (DECK 2) Method : Set to MW 1602kHz and check that the test point is Settings : •...

  • Page 31: Mechanical Exploded View

    All manuals and user guides at all-guides.com MECHANICAL EXPLODED VIEW 1 / 1 AZG-1 P.C.B P.C.B FL201 HT-SINK HT-SINK BINDER, WIRE P.C.B P.C.B 2ZM-3MK2 PLATE, EARTH MECHA BINDER, WIRE CHAS,MAIN - 31 -...

  • Page 32: Mechanical Parts List

    TAPPING SCREW, BVT2+3-15 20 8A-NF7-093-010 WINDOW,DISP LH<K,70EZ> C 87-067-688-010 BVTT+3-6 21 8A-NF7-005-010 PANEL,TRAY U D 87-NF4-224-010 S-SCREW,IT3B+3-8 CU 22 87-CE3-023-010 BADGE,AIWA 30N SILV E 87-721-097-410 QT2+3-12 GLD 23 8A-NF7-008-010 PANEL,CD F 87-067-641-010 UTT2+3-8(W/O SLOT)BL 24 8A-NF8-007-010 PANEL,LEFT V-2 G 87-078-191-010...

  • Page 33: Tape Mechanism Exploded View

    All manuals and user guides at all-guides.com TAPE MECHANISM EXPLODED VIEW 1 / 1 PH(DECK 1) RPH(DECK 2) DECK C.B SOL 2 SOL 1 (DECK 2) (DECK 1) HEAD 1 C.B(DECK 1) HEAD 2 C.B(DECK 2) (DECK 1) (DECK 1) (DECK 2) (DECK 2) - 33 -...

  • Page 34: 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 1 82-ZM3-301-510 CHAS ASSY,M2 36 82-ZM3-339-010 SHAFT,COUPLER N3(DECK 1) 2 82-ZM1-258-110 SPR-T,PINCH L 37 86-ZM1-206-010 BELT,MAIN L 3 82-ZM1-341-110 LVR ASSY,PINCH L2...
  • Page 35 All manuals and user guides at all-guides.com 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...

  • Page 36: Accessories / Package List

    All manuals and user guides at all-guides.com SPEAKER PARTS LIST SX-WNSZ70/71 (YSL)<NSX-SZ70/SZ72> REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-NS6-606-110 SPKR, W 160 2 8A-NS7-604-010 SPKR,M 100 3 88-NSK-610-010 SPKR, CERAMIC ASSY 4 8Z-NSJ-006-010...
  • Page 37 All manuals and user guides at all-guides.com 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820572 0251431 Printed in Singapore...

This manual is also suitable for:

Nsx-sz72Nsx-sz73Cx-nsz70Cx-nsz72Cx-nsz73Sx-wnsz70 ... Show all

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