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Aiwa NSX-DP25 Service Manual

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See also: Service Manual
SIMPLE-2
SERVICE MANUAL
COMPACT DISC
STEREO SYSTEM
SYSTEM
NSX-DP25
• This Service Manual is the "Revision Publishing" and replaces
"Simple Manual", (S/M Code No. 09-004-428-0T3).
• If requiring information about the CD mechanism, see Service Manual
of AZG-1, (S/M Code No. 09-001-335-3N6).
NSX-DP25
A par t of contents is adequate.
Re-issuing is under r equest.
BASIC TAPE MECHANISM : ZZM-3 PR1NM
BASIC CD MECHANISM : AZG-1 ZD8RDM
CD
SPEAKER
CASSEIVER
SX-NDP24
CX-NDP25
SX-R277
SX-C607
S/M Code No. 09-006-428-0R2
REMOTE
CONTROLLER
RC-ZAS10
EZ

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  • Page 1 NSX-DP25 SIMPLE-2 A par t of contents is adequate. Re-issuing is under r equest. SERVICE MANUAL COMPACT DISC BASIC TAPE MECHANISM : ZZM-3 PR1NM STEREO SYSTEM BASIC CD MECHANISM : AZG-1 ZD8RDM REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER SX-NDP24 NSX-DP25 CX-NDP25...

  • Page 2: Specifications

    SPECIFICATIONS <FM tuner section> <Cassette deck section> Tuning range 87.5 MHz to 108 MHz Track format 4 tracks, 2 channels stereo Usable sensitivity (IHF) 13.2 dBf Frequency response 50 Hz – 15000 Hz Antenna terminals 75 ohms (unbalanced) Recording system AC bias Heads Deck 1 : Playback head x 1...

  • 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 CAUTION 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

    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 87-010-384-080 CAP, ELECT 100-25V 87-010-197-080 CAP, CHIP 0.01 DM 87-A21-398-010 IC,STK490-110 87-010-403-080 CAP, ELECT 3.3-50V 87-A20-783-040 C-IC,BA7762AFS C115 87-010-404-080 CAP, ELECT 4.7-50V 87-A21-097-040 C-IC,M62463AFP C116 87-010-404-080 CAP, ELECT 4.7-50V...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C401 87-010-176-080 C-CAP,S 680P-50 SL C631 87-010-185-080 C-CAP,S 3900P-50 B C402 87-010-176-080 C-CAP,S 680P-50 SL C632 87-010-185-080 C-CAP,S 3900P-50 B C403 87-010-958-080 CHIP -CAP,S 0.01-25BJ C634 87-010-196-080 CHIP CAPACITOR,0.1-25 C404 87-010-958-080 CHIP -CAP,S 0.01-25BJ...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C853 87-010-197-080 CAP, CHIP 0.01 DM L811 87-005-847-080 COIL,2.2UH(CECS) C858 87-010-196-080 CHIP CAPACITOR,0.1-25 L832 87-005-847-080 COIL,2.2UH(CECS) C859 87-010-196-080 CHIP CAPACITOR,0.1-25 L861 87-005-847-080 COIL,2.2UH(CECS) C860 87-010-197-080 CAP, CHIP 0.01 DM L941 87-A50-020-010 COIL,ANT LW(COI) 252KHZ...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION CN701 87-099-720-010 CONN,30P TYK-B(P) C210 87-010-178-080 CHIP CAP 1000P CN731 87-099-015-010 CONN,13P 6216V C211 87-010-403-080 CAP, ELECT 3.3-50V FL901 8A-NF9-605-010 FL,HNA-10SS12 C212 87-010-403-080 CAP, ELECT 3.3-50V L951 87-A50-434-010 COIL,CLK 4.19M(TOKO) C215 87-012-140-080...

  • Page 10: Transistor Illustration

    REF. NO. PART NO. KANRI DESCRIPTION 87-A91-500-010 SW,MICRO MPU11470MLB0 87-A91-500-010 SW,MICRO MPU11470MLB0 87-A90-673-010 SW,MICRO ESE11SH1C CHIP RESISTOR PART CODE Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Symbol Wattage Type Tolerance Resistor Code Form 1/16W 1005 0.35...
  • Page 11 FL (HNA-10SS12) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION – 11 –...

  • Page 12: Wiring - 1 (Main)

    WIRING – 1 (MAIN) – 12 –...
  • Page 13 SCHEMATIC DIAGRAM – 1 (MAIN 1 / 4 : AMP) – –...
  • Page 14 SCHEMATIC DIAGRAM – 2 (MAIN 2 / 4 : TUNER) – –...
  • Page 15 SCHEMATIC DIAGRAM – 3 (MAIN 3 / 4 : DECK) – –...
  • Page 16 SCHEMATIC DIAGRAM – 4 (MAIN 4 / 4 : PROLOGIC) – –...

  • Page 17: Wiring - 2 (Front)

    WIRING – 2 (FRONT) – 17 –...

  • Page 18: Schematic Diagram - 5 (Front)

    SCHEMATIC DIAGRAM – 5 (FRONT) – –...
  • Page 19 WIRING – 3 (AMP 1F) – 19 –...
  • Page 20 SCHEMATIC DIAGRAM – 6 (AMP 1F) – –...
  • Page 21 WIRING – 4 (PT) – 21 –...

  • Page 22: Schematic Diagram

    SCHEMATIC DIAGRAM – 7 – 22 –...

  • Page 23: Wiring - 5 (Deck)

    WIRING – 5 (DECK) FROM B FRONT C. B CN104 E DECK C . B FC104 – 23 –...
  • Page 24 WIRING – 6 (HEAD) – 24 –...

  • Page 25: Ic Block Diagram

    IC BLOCK DIAGRAM – –...
  • Page 26 – –...
  • Page 27 IC DESCRIPTION µ PD780228GF-060-3BA Pin Name Description Pin No. O-MOTOR DECK MOTOR ON/OFF output. O-SOL1 DECK1 solenoid output. O-SOL2 DECK2 solenoid output. P-LOGIC_LED PRO LOGIC LED ON/OFF output. – Not connected. O-SET_LED SET LED ON/OFF output. O-CLEAR_LED CLEAR LED ON/OFF output. O-PRESET_LED PRESET LED ON/OFF output.
  • Page 28 Pin Name Description Pin No. 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. I-KEY3 Key3 input. I-TU_SIG Tuner signal input. AVSS – GND. O-PLL_CLK PLL clock enable output. O-PLL_CE Chip enable output for tuner PLL.
  • Page 29 ADJUSTMENT <TUNER / DECK / FRONT> < TUNER SECTION > < DECK SECTION > 1. Clock frequency Check 10. Tape Speed Adjustment (DECK 2) Settings : • Test point : TP2 (CLK) Settings : • Test tape : TTA–100 Method : Set to MW 1602kHz and check that the test point is •...

  • Page 30: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 AZG-1 ZD8RDM P.C.B P.C.B FL901 HT-SINK, ASSY P.C.B P.C.B WIRE, BINDER PLATE,EARTH MIC CHAS ,MAIN ZZM-3 PR1NM PLATE,EARTH MECH – 30 –...

  • Page 31: Mechanical Parts List

    34 88-913-301-110 FF-CABLE,13P-1.25 5 8A-NF8-207-010 SPR-T,EJECT 1 35 88-911-101-110 FF-CABLE,11P 1.25 6 8A-NF8-208-010 SPR-T,EJECT 2 36 87-NF4-216-010 HLDR,LOCK 1 7 87-CE3-023-010 BADGE,AIWA 30N SILV 37 86-NF9-224-010 SPR-C,LOCK 8 8A-NF9-018-010 KNOB,RTRY JOG 38 82-NF5-229-010 PLATE,LOCK 9 8A-NF8-209-010 OIL-DMPR,120 39 87-NF4-217-110 HLDR,LOCK 2...

  • Page 32: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1 / 1 TERMINAL, TERMINAL,LB1 IC, EW732 IC, EW732 SOL1 SOL2 P.C.B – 32 –...

  • Page 33: Tape Mechanism Parts List

    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 87-A90-404-010 HEAD,EH LE15B 8Z-ZM1-232-010 GEAR,IDL FF/REW 8Z-ZM3-239-010...

  • Page 34: Speaker Disassembly Instructions

    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: Accessories / Package List

    SPEAKER PARTS LIST SX-NDP24 (YBL, YTL) REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NSW-001-010 GRILLE,FRAME ASSY 2 83-096-614-010 SPEAKER CODE 3 8Z-NSW-602-010 SPKR,W 140 4 8Z-NSW-604-010 SPKR,T 60 5 88-NS3-605-010 SX-R277 (YSTC) REF. NO. PART NO. KANRI DESCRIPTION 1 8Z-YS1-001-010 CABI,REAR 2 8Z-YS1-002-010 GRILLE,FRAME ASSY...
  • Page 36 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820543 0251431 Printed in Singapore...

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