Aiwa SX-NBL25 Service Manual
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Aiwa SX-NBL25 Service Manual

Tape mechanizm zzm-3 ypr1nc, cd mechanizm azg-1 zd4rdc
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All manuals and user guides at all-guides.com
SERVICE MANUAL
COMPACT DISC STEREO SYSTEM
SYSTEM
NSX–BL24
• If requiring information about the CD mechanism, see Service Manual of AZG-1,
(S/M Code No. 09-001-335-3N8).
NSX-BL24
BASIC TAPE MECHANISM : ZZM-3 YPR1NC
BASIC CD MECHANISM : AZG-1 ZD4RDC
CD
CASSEIVER
CX–NBL24
S/M Code No. 09-00A-426-1N1
REMOTE
SPEAKER
CONTROLLER
SX–NBL25
RC–ZAS02
G

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  • Page 1 All manuals and user guides at all-guides.com NSX-BL24 SERVICE MANUAL BASIC TAPE MECHANISM : ZZM-3 YPR1NC COMPACT DISC STEREO SYSTEM BASIC CD MECHANISM : AZG-1 ZD4RDC REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER NSX–BL24 CX–NBL24 SX–NBL25 RC–ZAS02 • If requiring information about the CD mechanism, see Service Manual of AZG-1, (S/M Code No.

  • Page 2: Specifications

    260 x 328 x 329 mm Weight 6.2 kg <LW Tuner section> Tuning range 144 kHz to 290 kHz 1400 µV/m Speaker system SX-NBL25 Usable sensitivity Antenna Loop antenna Speaker system 3 way, bass reflex (magnetic shield type) Speaker units...

  • 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: 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 87-010-196-080 CHIP CAPACITOR,0.1-25 87-010-196-080 CHIP CAPACITOR,0.1-25 87-A21-269-010 IC,EW732 C101 87-010-185-080 C-CAP,S 3900P-50 B 87-A21-396-010 IC,STK490-040 C102 87-010-185-080 C-CAP,S 3900P-50 B 87-A21-419-040 C-IC,NJM14558MD-TE2...
  • Page 7 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C461 87-012-158-080 C-CAP,S 390P-50 CH C860 87-010-197-080 CAP,CHIP 0.01 DM C462 87-012-158-080 C-CAP,S 390P-50 CH C940 87-010-197-080 CAP,CHIP 0.01 DM C470 87-018-127-080 CAP,TC U 470P-50 KB C942...
  • Page 8 All manuals and user guides at all-guides.com REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 8A-NF9-609-010 F-CABLE,9P 2.5 480MM S304 87-A90-164-080 SW,TACT SKQNAB(N) 87-A90-510-010 HLDR,WIRE 2.5-9P S305 87-A90-164-080 SW,TACT SKQNAB(N) X991 87-A70-061-010 VIB,XTAL 4.500MHZ CSA-309 S306 87-A90-164-080 SW,TACT SKQNAB(N) S307...

  • Page 9: 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 10: Pin Connection

    All manuals and user guides at all-guides.com FL (HNA–10SS12) GRID ASSIGNMENT / ANODE CONNECTION / PIN CONNECTION GRID ASSIGNMENT ANODE CONNECTION PIN CONNECTION – 10 –...

  • Page 11: Wiring - 1 (Main)

    All manuals and user guides at all-guides.com WIRING – 1 (MAIN) – 11 –...
  • Page 12 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 1 (MAIN : 1 / 2 <AMP SECTION>) – 12 –...

  • Page 13: Schematic Diagram - 2 (Main : 2 / 2 )

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 2 (MAIN : 2 / 2 <TUNER SECTION>) – 13 –...

  • Page 14: Wiring - 2 (Front)

    All manuals and user guides at all-guides.com WIRING – 2 (FRONT) – 14 –...

  • Page 15: Schematic Diagram - 3 (Front / Deck)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 3 (FRONT / DECK) – 15 –...
  • Page 16 All manuals and user guides at all-guides.com WIRING – 3 (PT) – 16 –...

  • Page 17: Schematic Diagram - 4 (Pt)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 4 (PT) – 17 –...
  • Page 18 All manuals and user guides at all-guides.com WIRING – 4 (DECK) FROM B FRONT C. B CN104 FFC104 D DECK C . B 1 3 5 7 9 11 2 4 6 8 10 – 18 –...

  • Page 19: Ic Block Diagram

    All manuals and user guides at all-guides.com IC BLOCK DIAGRAM – 19 –...
  • Page 20 All manuals and user guides at all-guides.com IC DESCRIPTION µ PD780226GF-019-3BA Pin No. Pin Name Description O-MOTOR DECK MOTOR ON/OFF output. O-SOL1 DECK1 solenoid output. O-SOL2 DECK2 solenoid output. – Not connected. – Not connected. O-SET_LED SET LED ON/OFF output. O-CLEAR_LED CLEAR LED ON/OFF output.
  • Page 21 All manuals and user guides at all-guides.com Pin No. Pin Name Description I-HOLD Power failure detected input. I-CDSW CD mecha switch input. I-SPEANA_L A/D L-input for spectrum analyser level display. I-SPEANA_R A/D R-input for spectrum analyser level display. I-KEY1 Key1 input. I-KEY2 Key2 input.
  • Page 22 All manuals and user guides at all-guides.com IC, LC72131D Pin No. Pin Name Description X-IN A crystal oscillator (4.5MHz) is connected between these pins. X-OUT – Not connected. To enable the IC. Active "H". Digital data input from CPU (µPD780226GF-019-3BA) when relevant key is operated. Active "H".
  • Page 23 All manuals and user guides at all-guides.com ADJUSTMENT – 1 <TUNER / FRONT> < TUNER SECTION > 1. Clock frequency Check 9. DC Balance / Mono Distortion Adjustment Settings : • Test point : TP3, TP4 (DC) Settings : • Test point : TP2 (CLK) Method : Set to MW 1602kHz and check that the test point is •...
  • Page 24 All manuals and user guides at all-guides.com ADJUSTMENT – 2 <DECK> < DECK SECTION > 1. Tape Speed Adjustment (DECK 2) 5. REC/PB Frequency Response Adjustment (DECK 2) Settings : • Test tape : TTA–100 Settings : • Test tape : TTA–602 •...
  • Page 25 All manuals and user guides at all-guides.com MECHANICAL EXPLODED VIEW 1 / 1 AZG-1 ZD4RDC WIRE,BINDER FL901 HT-SINK PLATE SHLD PT 2T PLATE,EARTH MIC CHAS,MAIN ZZM-3 YPR1NC PLATE,EARTH MECHA C – 25 –...

  • Page 26: 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 8A-NF0-007-010 WINDOW,CASS 2 26 8A-NF0-008-010 KEY,POWER 2 8A-NF0-006-010 WINDOW,CASS 1 27 8A-NF0-201-010 GUIDE,OPE 1 WAY 3 8A-NF0-004-010 BOX,CASS 2 28 82-NF7-210-110...
  • Page 27 All manuals and user guides at all-guides.com TAPE MECHANISM EXPLODED VIEW 1 / 1 TERMINAL, TERMINAL,LB1 IC, EW732 IC, EW732 – 27 –...

  • Page 28: 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-A90-403-110 HEAD,RPH MS15R 87-045-347-010 MOT,SHU2L 70...

  • Page 29: 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 30: Speaker Parts List

    GRILLE,FRAME ASSY 4 8A-NSK-602-010 SPKR,W 140 5 8A-NSK-606-010 SPKR,T 60 6 87-NSH-612-010 SPKR,CERAMIC ASSY 7 87-NS7-611-010 CORD,SPKR 8 8A-NSJ-006-010 BADGE,AIWA S35 ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NF0-904-010 IB,G(E)FM-BL24 2 87-A90-118-010 ANT,WIRE FM(Z) 3 87-A90-030-010...
  • Page 31 All manuals and user guides at all-guides.com 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9420025 0251431 Printed in Singapore...

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Cx-nbl-24Nsx-bl24Rc-zas02

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