Aiwa NSX–BL54 Service Manual
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Aiwa NSX–BL54 Service Manual

Compact disc stereo system. cd casseiver, speaker, remote controller.
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SERVICE MANUAL
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-BL54 <EZ,K> & NSX-BL56<EZ> (S/M Code No. 09-002-429-5T1).
• If requiring information about the CD mechanism, see Service Manual of AZG-1,
YKZD8RDF(S/M Code No. 09-001-335-3N6)/YKZA3RDF(S/M Code No. 09-001-
335-3NC).
COMPACT DISC
STEREO SYSTEM
SYSTEM
CASSEIVER
NSX–BL54
CX–NBL54
NSX–BL56
CX–NBL56
S/M Code No. 09-002-429-5R1
NSX-BL54
NSX-BL56
BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM(HS/HR)
BASIC TAPE MECHANISM : 6ZM-3 PR2NM(K/EZ)
BASIC CD MECHANISM : AZG-1 YKZA3RDF(HS/HR)
BASIC CD MECHANISM : AZG-1 YKZD8RDF(K/EZ)
CD
SPEAKER
SX–WNBL53
SX–WNBL56
EZ,K,HS,HR
EZ
REMOTE
CONTROLLER
RC–ZAS01
RC–ZAS01

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  • Page 1 www.DataSheet4U.com NSX-BL54 EZ,K,HS,HR NSX-BL56 SERVICE MANUAL BASIC TAPE MECHANISM : 2ZM-3MK2 PR4NM(HS/HR) COMPACT DISC BASIC TAPE MECHANISM : 6ZM-3 PR2NM(K/EZ) STEREO SYSTEM BASIC CD MECHANISM : AZG-1 YKZA3RDF(HS/HR) BASIC CD MECHANISM : AZG-1 YKZD8RDF(K/EZ) REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX–BL54 CX–NBL54 SX–WNBL53 RC–ZAS01...

  • Page 2: Specifications

    www.DataSheet4U.com SPECIFICATIONS Main unit CX-NBL54, CX-NBL56 Cassette deck section FM tuner section Track format 4 tracks, 2 channels stereo Tuning range 87.5 MHz to 108 MHz Frequency response 50 Hz – 15000 Hz Usable sensitivity (IHF) 16.8 dBf <EZ, K> Recording system AC bias 13.2 dBf <HS, HR>...

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

    www.DataSheet4U.com 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 www.DataSheet4U.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

    www.DataSheet4U.com ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0009 87-012-368-080 C-CAP,S 0.1-50 Z F C0010 87-012-368-080 C-CAP,S 0.1-50 Z F 87-020-454-010 IC,DN6851 C0011 87-012-368-080 C-CAP,S 0.1-50 Z F 87-A21-417-010 IC,STK490-310 C0012 87-012-368-080 C-CAP,S 0.1-50 Z F 8A-NF8-614-110...
  • Page 7 www.DataSheet4U.com 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 www.DataSheet4U.com REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION J0203 87-A60-238-010 TERMINAL,SP 4P (MSC) C0852 87-010-197-080 C-CAP,S 0.01-25 K B C2012 J0204 87-A61-153-010 JACK,PIN 4P R/W(BL) (SEPA) KM C0853 87-010-197-080 C-CAP,S 0.01-25 K B C2012 J0602 87-A60-881-010 JACK,PIN 2P MSP 242V05 PBSN C0858...
  • Page 9 www.DataSheet4U.com REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0253 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 LED0606 87-A40-619-080 LED,SLR-56PT-TE7-W GRN C0254 87-012-369-080 C-CAP,S 0.047-50 Z F LED0607 87-A40-619-080 LED,SLR-56PT-TE7-W GRN C0255 87-010-560-040 CAP,E 10-50 M 5L MA LED0608 87-A40-619-080 LED,SLR-56PT-TE7-W GRN C0256...

  • Page 10: Chip Resistor Part Code

    www.DataSheet4U.com REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION SOL2 82-ZM1-618-410 SOL ASSY,27 PT C.B 87-A90-248-010 SW,MICRO ESE11SH2CXQ 87-A90-248-010 SW,MICRO ESE11SH2CXQ C0001 87-010-387-080 CAP,E 470-25 M SME 87-A90-248-010 SW,MICRO ESE11SH2CXQ C0002 87-A11-148-080 CAP,TC U 0.1-50 Z F<K,54EZ,56EZ> 87-036-110-010 SW,MICRO SPPB62 C0031...
  • Page 11 www.DataSheet4U.com FL (HNA-11MM30) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION...
  • Page 12 www.DataSheet4U.com SCHEMATIC DIAGRAM-1 (FUNCTION/AMP SECTION)
  • Page 13 www.DataSheet4U.com SCHEMATIC DIAGRAM-2 (TUNER SECTION) <EZ,K>...
  • Page 14 www.DataSheet4U.com SCHEMATIC DIAGRAM-3 (TUNER SECTION) <HS>...
  • Page 15 www.DataSheet4U.com SCHEMATIC DIAGRAM-4 (TUNER SECTION) <HR>...
  • Page 16 www.DataSheet4U.com WIRING-1 (MAIN C.B) <EZ, K, HS>...
  • Page 17 www.DataSheet4U.com WIRING-2 (MAIN C.B) <HR>...
  • Page 18 SCHEMATIC DIAGRAM-5 (FRONT SECTION) <EZ, K>...
  • Page 19 www.DataSheet4U.com WIRING-3 (FRONT C.B) <EZ, K, HS>...
  • Page 20 www.DataSheet4U.com WIRING-4 (FRONT C.B) <HR>...
  • Page 21 www.DataSheet4U.com SCHEMATIC DIAGRAM-6 (FRONT SECTION) <HS, HR> IC452 BA3835F...
  • Page 22 www.DataSheet4U.com WIRING-6 (DECK C.B) <EZ,K> SCHEMATIC DIAGRAM-7 (PT SECTION) <EZ,K> WIRING-5 (PT C.B) <EZ,K> DECK 2 DECK 1...
  • Page 23 www.DataSheet4U.com SCHEMATIC DIAGRAM-8 (PT SECTION) <HS, HR> WIRING-8 (PT C.B) <HR> WIRING-7 (PT C.B) <HS>...

  • Page 24: Ic Block Diagram

    www.DataSheet4U.com WIRING-9 (DECK C.B) <HS, HR> IC BLOCK DIAGRAM IC, LA1844 IC, LC72131D...
  • Page 25 www.DataSheet4U.com IC, BA3835F IC, BU2092F IC, M61503FP IC, M61506FP...
  • Page 26 www.DataSheet4U.com IC DESCRIPTION IC, LC866560W-5P89 <56EZ>, LC866548V-5P87 <Except 56EZ> Pin No. Pin Name Description _______________ I-STEREO/I-DRF Stereo detected input/CD DRF input ______ I-IFC/I-SUBQ Tune IF count serial data input/CD SUBQ input O-2PB Deck 2 playback switch output _______ O-POWER System power supply ON/OFF output _______ O-CD-ON CD power ON/OFF output...
  • Page 27 www.DataSheet4U.com Pin No. Pin Name Description P22/PRO LOGIC FL SEGMENT output P22/PROLOGIC input to diode (not used) P21/RDS FL SEGMENT output P21/RDS input to diode P20/FM1 FL SEGMENT output P20/FM1 input to diode P19/SW FL SEGMENT output P19/SW input to diode P18/LW FL SEGMENT output P18/LW input to diode P17/AMST...
  • Page 28 www.DataSheet4U.com ADJUSTMENT <EZ, K> MAIN C.B TC942 L802 L801 L941 IC801 TP4 (DC BALANCE) SFR451 SFR452 TP3 (DC BALANCE) L951 TP2 (CLK) L942 (3/3) (1/3) TP8 (RCH) TP9 (LCH) TP1 (VT) FFE831 DECK-2 R/P HEAD DECK-1 P HEAD DECK C.B SFR1 FRONT C.B FL401...
  • Page 29 www.DataSheet4U.com < TUNER SECTION > < DECK SECTION > 1. Clock frequency Check 10. Tape Speed Adjustment (DECK 2) Settings : • Test point : TP2 Settings : • Test tape : TTA–100 Method : Set to AM 1602kHz and check that the test point is •...
  • Page 30 www.DataSheet4U.com ADJUSTMENT <HS> MAIN C.B L802 L801 IC801 TP4 (DC BALANCE) SFR451 SFR452 TP3 (DC BALANCE) L951 TP2 (CLK) (3/3) (1/3) TP8 (RCH) TP9 (LCH) TP1 (VT) FFE831 DECK-1 P HEAD DECK-2 R/P/E HEAD DECK C.B SFR1 FRONT C.B FL401 IC201 L331...
  • Page 31 www.DataSheet4U.com < TUNER SECTION > 10. PB Frequency Response Check (DECK 1, DECK 2) 1. Clock frequency Check Settings : • Test tape : TTA–300 Settings : • Test point : TP2 • Test point :TP8(Lch), TP9(Rch) Method : Set to AM 1602kHz and check that the test point is Method : Play back the 315Hz and 8kHz signals of the test 2052kHz ±...
  • Page 32 www.DataSheet4U.com ADJUSTMENT <HR> MAIN C.B L802 TC943 L801 IC801 TP4 (DC BALANCE) TC941 L941 SFR451 SFR452 TP3 (DC BALANCE) TP2 (CLK) L942 L953 L952 TP8 (RCH) TP9 (LCH) TP1 (VT) FFE831 DECK-1 P HEAD DECK-2 R/P/E HEAD DECK C.B SFR1 FRONT C.B FL401 IC201...
  • Page 33 www.DataSheet4U.com < TUNER SECTION > < DECK SECTION > 1. Clock frequency Check 10. Tape Speed Adjustment (DECK 2) Settings : • Test point : TP2 Settings : • Test tape : TTA–100 Method : Set to WM 1602kHz and check that the test point is •...

  • Page 34: Mechanical Main Parts List

    www.DataSheet4U.com MECHANICAL MAIN PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 31 8A-NFJ-030-010 KEY,CD EDIT H<HS,HR> 1 8A-NFJ-012-010 WINDOW,CASS 1 31 8A-NFJ-025-010 KEY,CD EDIT U<K,4EZ> 2 8A-NFJ-013-010 WINDOW,CASS 2 32 8A-NFJ-027-010 KEY,DISC 3 8A-NFJ-035-010 BOX,CASS 1H 33 86-NF9-224-010 SPR-C,LOCK...

  • Page 35: Mechanical Exploded View

    www.DataSheet4U.com MECHANICAL EXPLODED VIEW 1/1 AZG-1 HS,HR only) HT-SINK P.C.B WIRE,BINDER HT-SINK P.C.B (K,4EZ,6EZ only) P.C.B HT-SINK HT-SINK FIN 1 FIN 2 (HS,HR only) PLATE,EARTH MIC CHAS ,MAIN 2ZM-3 (HS,HR only) 6ZM-3 (K,4EZ,6EZ only) PLATE,EARTH MECH...

  • Page 36: Mechanism Exploded View

    www.DataSheet4U.com MECHANISM EXPLODED VIEW 1/1 <EZ, K: 6ZM-3 PR2NM> DECK C.B SOL 2 (DECK L only) SOL 1 (DECK L SIDE) (DECK R SIDE) LEVER EJECT R HEAD PLATE CAPSTAN N 2.2-41.7 SHLD M3 LEVER EJECT L (DECK 2) CAPSTAN N 2-41.5...
  • Page 37 www.DataSheet4U.com MECHANISM MAIN PARTS LIST 1/1 <EZ, K: 6ZM-3 PR2NM> REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 86-ZM3-215-010 CHAS ASSY,RS 41 82-ZM1-216-310 GEAR,REEL 2 86-ZM3-202-010 BASE,HEAD S 42 86-ZM3-213-010 S-SCREW,HLDR,MOT 3 3 86-ZM3-205-010 SPR-C,RPH S 43 82-ZM1-225-210 GEAR,FR 4 82-ZM1-333-210...
  • Page 38 www.DataSheet4U.com MECHANISM MAIN PARTS LIST 1/1 <HS, HR: 2ZM-3MK2 PR4NM> REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 82-ZM3-301-610 CHAS ASSY,M2 31 82-ZM1-255-310 SPR-E,LVR DIR 2 82-ZM1-258-210 SPR-T,PINCH L 32 82-ZM3-305-210 GEAR,CAM M2 3 82-ZM1-341-210 LVR ASSY,PINCH L2 33 82-ZM1-227-310 LVR,TRIG...
  • Page 39 www.DataSheet4U.com MECHANISM EXPLODED VIEW 1/1 <HS, HR: 2ZM-3MK2 PR4NM> PH(DECK 1) RPH(DECK 2) DECK C.B CUSH-G,DIA3.7-8-3.2 CUSH-G,DIA3.7-8-3.2 HLDR,IC HLDR,IC CAPSTAN N 2.2-41.7 CAPSTAN N 2.2-41.5 HEAD 1 C.B(DECK 1) BELT D2 HEAD 2 C.B(DECK 2) (DECK 1) (DECK 1) (DECK 2) (DECK 2) SH,1.63-3.2-0.5 SLT...
  • Page 40 3 Cut chisel 2 8A-NS5-017-010 PLATE,NAME B 3 8A-NS5-004-010 PANEL,DUCT 4 8A-NS5-009-010 PROTECTOR, 5 8A-NS5-018-010 GRILLE,FRAME ASSY RDS 6 8A-NS5-015-010 BADGE,AIWA S35 7 8Z-NSY-003-010 CORD,BUSH 8 88-NS3-029-010 CORD,BUSH L 9 88-NS5-610-010 CORD,SPKR 10 88-NS5-611-010 CORD,SPKR B/L 11 8Z-NSY-608-010 SPKR, CERAMIC ASSY...
  • Page 41 www.DataSheet4U.com 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 920074 Printed in Singapore...

This manual is also suitable for:

Rc–zas01Nsx–bl56Sx–wnbl56Cx–nbl54Sx–wnbl53Nsx-bl54

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