Aiwa NSX-BL14 Service Manual
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Aiwa NSX-BL14 Service Manual

Compact disc stereo cassette receiver
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See also: Service Manual
SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
NSX-BL14
• This Service Manual is the "Revision Publishing" and replaces "Simple
Manual" NSX-BL14(HT,G), (S/M Code No. 09-006-428-8T5).
• If requiring information about the CD mechanism, see Service Manual
of AZG-1 (S/M Code No. 09-001-335-3NC).
NSX-BL14
BASIC TAPE MECHANISM : ZZM-2 PR1NM
BASIC CD MECHANISM : AZG-1 ZA3RNDM
CD
CASSEIVER
CX-NBL14
S/M Code No. 09-007-428-8R4
REMOTE
SPEAKER
CONTROLLER
RC-ZAS02
SX-NBL11
HT,G

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Summary of Contents for Aiwa NSX-BL14

  • Page 1 CX-NBL14 SX-NBL11 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” NSX-BL14(HT,G), (S/M Code No. 09-006-428-8T5). • If requiring information about the CD mechanism, see Service Manual of AZG-1 (S/M Code No. 09-001-335-3NC). S/M Code No. 09-007-428-8R4...

  • Page 2: Specifications

    SPECIFICATIONS <FM tuner section> <Compact disc player section> Tuning range 87.5 MHz to 108 MHz Laser Semiconductor laser (λ =780 nm) Usable sensitivity (IHF) HT: 13.2 dBf D-A converter 1 bit dual G: 16.8 dBf Signal-to-noise ratio 85 dB (1 kHz, 0 dB) Antenna terminals 75 ohms (unbalanced) Harmonic distortion...

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

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION This set employs laser. Therefore, be sure to follow carefully Use of controls or adjustments or performance of proce- the instructions below when servicing. dures other than those specified herein may result in hazardous 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 C100 87-018-127-080 CAP TC-U 470P C101 87-010-185-080 C-CAP,S 3900P-50 KB 8A-NFA-615-010 C-IC,M38B57MCH-E236FP C102 87-010-185-080 C-CAP,S 3900P-50 KB 87-A21-419-040 C-IC,NJM14558MD-TE2 C103 87-010-545-080 CAP, ELECT 0.22-50V 87-A21-443-040 C-IC,M62495AFP C104...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C452 87-010-382-080 CAP, ELECT 22-25V C844 87-010-197-080 CAP, CHIP 0.01 DM C453 87-010-183-080 C-CAP,S 2700P-50 B C851 87-010-197-080 CAP, CHIP 0.01 DM C454 87-010-183-080 C-CAP,S 2700P-50 B C852 87-010-197-080 CAP, CHIP 0.01 DM C455...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION R995 87-010-322-080 C-CAP,S 100P-50 CH S323 87-A90-164-080 SW,TACT SKQAB(N) TC941 87-011-254-080 TRIMMER,CER 20P 4.0X4.5 ECR<HT> S324 87-A90-164-080 SW,TACT SKQAB(N) TC942 87-011-253-080 TRIMMER,CER 30P 4.0X4.5<G> S325 87-A90-164-080 SW,TACT SKQAB(N) TC943 87-011-253-080 TRIMMER,CER 30P 4.0X4.5<HT>...

  • Page 9: Chip Resistor Part Code

    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 S D G E C B E C B...
  • Page 10 FL (10-BT-224GNK) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – –...
  • Page 11 ANODE CONNECTION – –...

  • Page 12: Wiring - 1 (Main)

    WIRING - 1 (MAIN)<HT> – 12 –...
  • Page 13 SCHEMATIC DIAGRAM – 1 (MAIN 1 / 2 : AMP SECTION)<HT> – 13 –...
  • Page 14 SCHEMATIC DIAGRAM – 2 (MAIN 2 / 2 : TUNER SECTION)<HT> – 14 –...

  • Page 15: Wiring - 2 (Main)

    WIRING - 2 (MAIN)<G> – 15 –...
  • Page 16 SCHEMATIC DIAGRAM – 3 (MAIN 1 / 2 : AMP SECTION)<G> – 16 –...
  • Page 17 SCHEMATIC DIAGRAM – 4 (MAIN 2 / 2 : TUNER SECTION)<G> – 17 –...

  • Page 18: Wiring - 3 (Front)

    WIRING - 3 (FRONT)<HT> – 18 –...
  • Page 19 SCHEMATIC DIAGRAM – 5 (FRONT)<HT> – 19 –...
  • Page 20 WIRING - 4 (FRONT)<G> – 20 –...
  • Page 21 SCHEMATIC DIAGRAM – 6 (FRONT)<G> – 21 –...
  • Page 22 WIRING - 5 (PT)<HT> – 22 –...
  • Page 23 SCHEMATIC DIAGRAM – 7 (PT)<HT> – 23 –...
  • Page 24 WIRING - 6 (PT)<G> – 24 –...
  • Page 25 SCHEMATIC DIAGRAM – 8 (PT)<G> – 25 –...
  • Page 26 WIRING - 7 (DECK)

  • Page 27: Ic Block Diagram

    IC BLOCK DIAGRAM – 27 –...
  • Page 28 IC DESCRIPTION IC, M38B57MCH-E236FP Description Pin No. Pin Name I-SIG RDS signal level A/D input. (Not used) I-HOLD Hold voltage level A/D input. I-SW (CD) CD mecha SW A/D input. I-DISH CD turn-table position check A/D input. I-KEY2 KEY2 A/D input. I-KEY1 KEY1 A/D input.
  • Page 29 Pin No. Pin Name Description O-DISH_R CD turn-table reverse turn output. O-DISH_F CD turn-table forward turn output. I-SUBQ Sub code-Q data input. O-CD_CE CD DSP chip enable output. I-WRQ CD WRQ input. O-CLK (CD) CD control clock output . O-DATA (CD) CD control data output.
  • Page 30 ADJUSTMENT <TUNER / DECK> < TUNER SECTION > < DECK SECTION > 9. SW VT Adjustment<HT> 1. Clock frequency Check 14. Tape Speed Adjustment (DECK 1) 18. REC/PB Frequency Response Check (DECK 1) Settings : • Test point : TP1(VT) Settings : •...

  • Page 31: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 AZG-1 P.C.B (HT ONLY) PLATE,EARTH ZZM-2 P.C.B HT-SINK, FIN-S (HT ONLY) (G ONLY) HLDR1 (G ONLY) HLDR2 WIRE, P.C.B BINDER P.C.B P.C.B CHAS, MAIN – –...

  • Page 32: Mechanical Parts List

    G 87-067-641-010 UTT2+3-8(W/O SLOT)BL 17 8A-NFA-018-010 REFLECTOR,ECO H 87-721-097-410 QT2+3-12 GLD 18 8A-NFZ-008-010 KEY,POWER 19 87-CE3-023-010 BADGE,AIWA 30N SILV 20 8A-NFZ-002-010 PANEL,TRAY H 21 8A-NFA-208-010 GUIDE,FL 100-25 ANFA 22 88-913-221-110 FF-CABLE, 13P 1.25 220MM 23 8A-NFA-062-010 PANEL,TOP V-2 24 8A-NFA-215-010 PLATE,PL HR<HT >...

  • Page 33: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1 / 1 TERMINAL,LB1 TERMINAL,LB1 – –...

  • Page 34: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-ZM1-254-210 SPR-C,REEL R 41 8Z-ZM1-234-010 FLY-WHL,ZZM-1 2 8Z-ZM1-225-110 GEAR,REEL R 42 8Z-ZM1-267-010 SHAFT,CAPSTAN 2 3 8Z-ZM1-253-110 SPR-C,AUTO SENSOR 43 8Z-ZM1-228-010 GEAR,SLIP T-UP B 4 8Z-ZM1-217-110 LEVER,AUTO SENSOR...
  • Page 35 SPEAKER DISASSEMBLY INSTRUCTIONS Type.1 Type.4 TOOLS Insert a flat-bladed screwdriver into the position indicated by the 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 36: Accessories / Package List

    SPEAKER PARTS LIST SX-NBL11(Y1SL,YSC9,YSC,YSL) REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NSB-001-010 PANEL,FR 2 8A-NSB-003-010 GRILLE,FRAME ASSY 3 8Z-NSL-603-010 SPKR, W 120<YSC9> 3 8A-NSL-606-010 SPKR, W120<YSC,YSL,Y1SL> 4 87-NS7-611-010 CORD,SPKR ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NFZ-901-010 IB,H(ECA)M-BL14<HT>...
  • Page 37 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9630472 0251431 Printed in Singapore...

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