Aiwa NSX-DP25 Service Manual
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Aiwa NSX-DP25 Service Manual

Aiwa NSX-DP25 Service Manual

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All manuals and user guides at all-guides.com
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 All manuals and user guides at all-guides.com 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...

  • Page 2: Specifications

    All manuals and user guides at all-guides.com 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...

  • 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 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

    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 87-010-384-080 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...
  • Page 7 All manuals and user guides at all-guides.com 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...
  • Page 8 All manuals and user guides at all-guides.com 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...
  • Page 9 All manuals and user guides at all-guides.com 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...

  • Page 10: Chip Resistor Part Code

    All manuals and user guides at all-guides.com 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...
  • Page 11 All manuals and user guides at all-guides.com FL (HNA-10SS12) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION – 11 –...

  • 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 / 4 : AMP) – –...
  • Page 14 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 2 (MAIN 2 / 4 : TUNER) – –...
  • Page 15 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 3 (MAIN 3 / 4 : DECK) – –...
  • Page 16 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 4 (MAIN 4 / 4 : PROLOGIC) – –...

  • Page 17: Wiring - 2 (Front)

    All manuals and user guides at all-guides.com WIRING – 2 (FRONT) – 17 –...

  • Page 18: Schematic Diagram - 5 (Front)

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 5 (FRONT) – –...
  • Page 19 All manuals and user guides at all-guides.com WIRING – 3 (AMP 1F) – 19 –...
  • Page 20 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 6 (AMP 1F) – –...
  • Page 21 All manuals and user guides at all-guides.com WIRING – 4 (PT) – 21 –...

  • Page 22: Schematic Diagram

    All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM – 7 – 22 –...

  • Page 23: Wiring - 5 (Deck)

    All manuals and user guides at all-guides.com WIRING – 5 (DECK) FROM B FRONT C. B CN104 E DECK C . B FC104 – 23 –...
  • Page 24 All manuals and user guides at all-guides.com WIRING – 6 (HEAD) – 24 –...

  • Page 25: Ic Block Diagram

    All manuals and user guides at all-guides.com IC BLOCK DIAGRAM – –...
  • Page 26 All manuals and user guides at all-guides.com – –...
  • Page 27 All manuals and user guides at all-guides.com 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.
  • Page 28 All manuals and user guides at all-guides.com 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 –...
  • Page 29 All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com TAPE MECHANISM EXPLODED VIEW 1 / 1 TERMINAL,LB1 TERMINAL, IC, EW732 IC, EW732 P.C.B – 32 –...

  • Page 33: 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 34 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 35: Accessories / Package List

    All manuals and user guides at all-guides.com 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.
  • Page 36 All manuals and user guides at all-guides.com 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820543 0251431 Printed in Singapore...

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