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Aiwa NSX-DP85 Service Manual

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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
NSX–DP85
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-DP85 (EZ), (S/M Code No. 09-005-428-3T2).
• If requiring information about the CD mechanism, see Service Manual of
AZG-1 ZD3RNDM, (S/M Code No. 09-001-335-3N8).
NSX-DP85
BASIC TAPE MECHANISM : 2ZM-3MK2 PR7NM
BASIC CD MECHANISM : AZG-1 ZD3RNDM
CD
SPEAKER
CASSEIVER
SX–NDP84
CX–NDP85
S/M Code No. 09-006-428-3R2
REMOTE
CONTROLLER
SX–R277
RC–ZAS05
SX–C607
EZ

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  • Page 1 CX–NDP85 SX–C607 • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" NSX-DP85 (EZ), (S/M Code No. 09-005-428-3T2). • If requiring information about the CD mechanism, see Service Manual of AZG-1 ZD3RNDM, (S/M Code No. 09-001-335-3N8). S/M Code No. 09-006-428-3R2...

  • Page 2: Specifications

    SPECIFICATIONS <FM tuner section> level) Tuning range 87.5 MHz to 108 MHz Recording system AC bias Usable sensitivity (IHF) 13.2 dBf Heads Deck 1: Playback head x 1 Antenna terminals 75 ohms (unbalanced) Deck 2: Recording/Playback head x 1, erase head x 1 <MW tuner section>...

  • 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 MAIN C.B 8A-NF6-605-130 C-IC,LC876572V-5P63 87-012-368-080 C-CAP,S 0.1-50 F 87-A21-355-010 IC,STK490-140 87-012-368-080 C-CAP,S 0.1-50 F 87-A21-398-010 IC,STK490-110 87-016-658-000 CAP,E 4700-35 M SMG 87-A20-914-010 IC,SPS-442-1-F 87-016-658-000 CAP,E 4700-35 M SMG 87-A20-783-040 C-IC,BA7762AFS...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C357 87-010-197-080 CAP, CHIP 0.01 DM C451 87-A10-802-080 C-CAP,S 0.047-16 J B CM C358 87-010-183-080 C-CAP,S 2700P-50 B C452 87-A10-802-080 C-CAP,S 0.047-16 J B CM C359 87-010-183-080 C-CAP,S 2700P-50 B C453 87-016-669-080 C-CAP,S 0.1-25 K B...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C771 87-010-263-080 CAP, ELECT 100-10V C940 87-010-197-080 C-CAP,S 0.01-25 C772 87-010-197-080 CAP, CHIP 0.01 DM C942 87-010-149-080 C-CAP,S 5P-50 CH C773 87-010-184-080 CHIP CAPACITOR 3300P(K) C947 87-010-197-080 C-CAP,S 0.01-25 C774 87-010-184-080 CHIP CAPACITOR 3300P(K)
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION R790 87-010-197-080 CAP, CHIP 0.01 DM C463 87-010-196-080 CHIP CAPACITOR,0.1-25 R991 87-010-322-080 C-CAP,S 100P-50 CH C464 87-010-196-080 CHIP CAPACITOR,0.1-25 R993 87-010-322-080 C-CAP,S 100P-50 CH C465 87-010-196-080 CHIP CAPACITOR,0.1-25 R995 87-010-322-080 C-CAP,S 100P-50 CH...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION S323 87-A91-024-180 SW,TACT KSH0611BT C116 87-016-299-080 CAP, ELECT 10-100 M SME S324 87-A91-024-180 SW,TACT KSH0611BT C117 87-010-196-080 C-CAP,S 0.1-25 ZF S325 87-A91-024-180 SW,TACT KSH0611BT C119 87-010-197-080 CAP, CHIP 0.01 DM S326 87-A91-024-180 SW,TACT KSH0611BT...

  • Page 11: Chip Resistor Part Code

    REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION J102 87-A60-573-010 JACK,PIN 1P ORN DECK C.B L251 87-A50-610-010 COIL,1UH-K (MDEC) R218 87-A00-258-080 RES,M/F 0.22-1W J CON501 87-099-756-019 CONN,15P 9604S F TH201 87-A91-042-080 C-THMS,100K 55001 SFR1 87-024-581-010 SFR,3.3K DIA 6H SOL1 82-ZM1-618-410 SOL ASSY,27...

  • Page 12: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B E C B E C B B C E 2SB1370 KTA1266GR CC5551 CSC4115BC 2SD1933 KTC3198GR 2SA1981Y 2SB1342 CD1585BC CSA952K E C B 2SK360E 2SK2158 CSD1306E DTC114ES 2SA1235F 2SJ461-T1 2SA933S KRA104S 2SC2714O KRC102S-RTK 2SC3052F CMBT5551 KRA107S CMBT5401 RT1P441C KRA102S...
  • Page 13 WIRING – 1 (MAIN / VM) – 13 –...
  • Page 14 SCHEMATIC DIAGRAM – 1 (MAIN 1 / 4: AMP SECTION / VM) – 14 –...
  • Page 15 SCHEMATIC DIAGRAM – 2 (MAIN 2 / 4: TUNER SECTION) – 15 –...
  • Page 16 SCHEMATIC DIAGRAM – 3 (MAIN 3 / 4: DECK SECTION / HEAD – 1 / HEAD – 2) – 16 –...
  • Page 17 SCHEMATIC DIAGRAM – 4 (MAIN 4 / 4: PROLOGIC SECTION) – 17 –...
  • Page 18 WIRING – 2 (FRONT / CD KEY / MIC) <1 / 2> – 18 –...
  • Page 19 WIRING – 2 (FRONT / CD KEY / MIC) <2 / 2> – 19 –...
  • Page 20 SCHEMATIC DIAGRAM – 5 (FRONT / CD KEY / MIC / DECK) – 20 –...
  • Page 21 WIRING – 3 (AMP 1F) – 21 –...
  • Page 22 SCHEMATIC DIAGRAM – 6 (AMP 1F) – 22 –...
  • Page 23 WIRING – 4 (AMP PROLOGIC) – 23 –...
  • Page 24 SCHEMATIC DIAGRAM – 7 (AMP PROLOGIC) – 24 –...
  • Page 25 WIRING – 5 (PT) – 25 –...

  • Page 26: Schematic Diagram - 8 (Pt)

    SCHEMATIC DIAGRAM – 8 (PT) – 26–...
  • Page 27 WIRING – 6 (DECK / HEAD – 1 / HEAD – 2) – 27 –...
  • Page 28 FL (BJ750GNK 13G-35S) GRID ASSIGNMENT & ANODE CONNECTION GRID ASSIGNMENT – 28 –...
  • Page 29 ANODE CONNECTION – 29 –...

  • Page 30: Ic Block Diagram

    IC BLOCK DIAGRAM – 30 –...
  • Page 31 – 31 –...
  • Page 32 – 32 –...
  • Page 33 IC DESCRIPTION IC, LC876572V-5P63 Description Pin No. Pin Name O-CLK CLOCK output for FRONT and MAIN C.B. O-DATA DATA output for FRONT and MAIN C.B. O-STB(M) Strobe output for MAIN C.B. O-POWER System power ON/OFF output. O-STB(SHIFT) Strobe output for shift register. O-RYM-CS Chip select output for RHYTHM IC.
  • Page 34 Description Pin No. Pin Name P23/ECO MODE FL segment output (P23)/Initial ECO MODE diode input (Not used). P22/DSP FL segment output (P22)/DSP diode input (Not used). P21/PRO/5.1 FL segment output (P21)/PRO-LOGIC 5.1CH diode input. P20/KEY-CON FL segment output (P20)/KEY CONTROL diode input (Not used). P19/DOLBY FL segment output (P19)/DECK DOLBY diode input.
  • Page 35 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 36 < FRONT SECTION > 16. µ-CON OSC Adjustment Settings : • Test point : TP1 and (GND) • Adjustment location : L101 Method : Insert AC plug while pressing TUNER function key. Adjust L101 so that the frequency at the test point is 208.80Hz ±...

  • Page 37: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 P.C.B P.C.B HT-SINK PLATE,PT CHAS,MAIN P.C.B P.C.B HT-SINK VM2 P.C.B P.C.B PLATE,SHLD MECHA AZG-1 P.C.B P.C.B PLATE,EARTH MIC 2ZM-3MK2 SH,CD – 37 –...

  • Page 38: Mechanical Parts List

    MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NF6-010-010 PANEL,DIRECT 41 8A-NF6-203-010 GUIDE,OPE 2 8A-NF6-044-010 REFLECTOR,CD 42 8A-NF6-201-010 GUIDE,FL 3 8A-NF6-205-010 GUIDE,CD 43 8A-NF6-023-010 KEY,ASSY FUN 4 8A-NF6-009-010 PANEL,CD 44 8A-NF6-045-010 KEY,ASSY POWER 5 8A-NF6-037-010...

  • Page 39: Tape Mechanism Exploded View

    TAPE MECHANISM EXPLODED VIEW 1 / 1 PH(DECK 1) RPH(DECK 2) DECK C.B SOL 2 SOL 1 (DECK 2) (DECK 1) HEAD 1 C.B(DECK 1) HEAD 2 C.B(DECK 2) (DECK 1) (DECK 2) (DECK 2) – 39 –...

  • Page 40: Tape Mechanism Parts List

    TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 82-ZM3-301-619 CHAS ASSY,M2 35 82-ZM1-265-310 SPR-E,TRIG 2 82-ZM1-258-219 SPR-T,PINCH L 36 82-ZM1-236-019 CAPSTAN N 2-41.5 3 82-ZM1-341-219 LVR ASSY,PINCH L2 37 82-ZM1-239-019 CAPSTAN N 2.2-41.7 4 82-ZM1-333-110...
  • Page 41 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 42: Accessories / Package List

    SPEAKER PARTS LIST (SX-NDP84) <YBL> REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NSV-001-010 PANEL,FR R 2 8A-NSV-002-010 PANEL,FR L 3 8A-NSV-004-010 GRILLE,FRAME ASSY R 4 8A-NSV-008-010 GRILLE,FRAME ASSY L 5 8A-NSV-012-010 PROTECTOR,TW 6 87-NS4-602-010 SPKR,W 160 7 88-SSM-603-010 SPKR,TW 60 8 8Z-CL5-543-010 CORD,SP 9 88-NSV-601-010...
  • Page 43 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9420208 0251431 Printed in Singapore...

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