Aiwa NSX-SZ80 Service Manual
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Aiwa NSX-SZ80 Service Manual

Compact disc stereo cassette receiver
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SERVICE MANUAL
COMPACT DISC STEREO
CASSETTE RECEIVER
SYSTEM
NSX–SZ80 (LH)
NSX–SZ83 (LH)
NSX–AJ80 (U)
NSX–SZ80E (HA)
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
NSX-SZ80/SZ83/AJ80/SZ80E (LH, U, HA), (S/M Code No. 09-001-424-4T1).
• If requiring information about the CD mechanism, see Service Manual of
AZG-1 ZD3RNDM, (S/M Code No. 09-001-335-3N8).
BASIC TAPE MECHANISM : 2ZM-3MK2 PR7NM
BASIC CD MECHANISM : AZG-1 ZD3RNDM
CD
MAIN
CASSEIVER
SPEAKER
CX–NSZ80
SX–WNSZ80
CX–NSZ83
SX–WNH83
SX–WNAJ85
CX–NAJ80
CX–NSZ80E
SX–WNSZ80
S/M Code No. 09-003-424-4R1
NSX-SZ80
NSX-SZ83
NSX-AJ80
NSX-SZ80E
SATELLITE
SPEAKER
SX–S80
LH
LH
U
HA
REMOTE
CONTROLLER
RC–ZAS01

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Summary of Contents for Aiwa NSX-SZ80

  • Page 1 CX–NSZ80E SX–WNSZ80 • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" NSX-SZ80/SZ83/AJ80/SZ80E (LH, U, HA), (S/M Code No. 09-001-424-4T1). • If requiring information about the CD mechanism, see Service Manual of AZG-1 ZD3RNDM, (S/M Code No. 09-001-335-3N8).

  • 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) 13.2 dBf D-A converter 1 bit dual Antenna terminals 75 ohms (unbalanced) Signal-to-noise ratio 85 dB (1 kHz, 0 dB) Harmonic distortion 0.05 % (1 kHz, 0 dB) <AM 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 87-016-658-000 CAP,E 4700-35 M SMG 87-010-382-080 CAP, ELECT 22-25V 8A-NF6-610-030 C-IC,LC87654V-5P35 87-010-382-080 CAP, ELECT 22-25V<EXCEPT 80U> 87-A21-418-010 IC,STK490-340 87-010-383-080 CAP, ELECT 33-25V<80U> 87-A21-018-040 C-IC,M65849BFP631D 87-010-382-080 CAP, ELECT 22-25V 87-A21-396-010...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C370 87-010-196-080 CHIP CAPACITOR,0.1-25 C641 87-010-401-080 CAP, ELECT 1-50V C373 87-016-083-080 C-CAP,S 0.15-16 RK C642 87-010-401-080 CAP, ELECT 1-50V C374 87-016-083-080 C-CAP,S 0.15-16 RK C643 87-010-196-080 CHIP CAPACITOR,0.1-25 C378 87-010-196-080 CHIP CAPACITOR,0.1-25...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C963 87-015-785-080 CHIP CAPACITOR, 0.1FZ-25Z C105 87-010-415-040 CAP,E 10-50 5L C971 87-010-381-080 CAP, ELECT 330-16V C106 87-010-493-040 CAP,E 0.47-50 GAS C972 87-010-404-080 CAP, ELECT 4.7-50V C107 87-A10-189-040 CAP,E 220-10 C973 87-010-197-080 CAP, CHIP 0.01 DM...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION FC901 88-913-521-110 FF-CABLE,13P 1.25 520MM LED455 87-A40-496-040 LED,SLR-342MCT31 GRN FL201 8A-NF6-601-010 FL,BJ750GNK 13G-35S ANF-6 LED456 87-A40-496-040 LED,SLR-342MCT31 GRN L101 87-A50-333-010 COIL,OSC 9.43MHZ S349 87-A91-024-180 SW,TACT KSH0611BT L801 87-A50-093-010 COIL,CLOCK 5.76MHZ<EXCEPT 80U>...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C251 87-012-368-080 C-CAP,S 0.1-50 F C324 87-010-196-080 CHIP CAPACITOR,0.1-25 C252 87-012-368-080 C-CAP,S 0.1-50 F C325 87-010-186-080 CAP,CHIP 4700P C253 87-010-196-080 CHIP CAPACITOR,0.1-25 C401 87-010-196-080 CHIP CAPACITOR,0.1-25 C254 87-010-196-080 CHIP CAPACITOR,0.1-25 C402 87-010-196-080...

  • Page 11: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B E C B E C B B C E 2SB1370 KTA1266GR CC5551 CSC4115BC 2SB1370F KTC3198GR 2SD2061F CD1585BC CSA952K E C B 2SA1235F RT1P141C DTC114ES 2SK2158 2SC2714O CSD1306E KTC3199GR 2SJ461-T1 2SC3052F KRA104S 2SA933S KRC102S-RTK CMBT5551 KRA107S CMBT5401 CHIP RESISTOR PART CODE Chip Resistor Part Coding...
  • Page 12 WIRING 1 (MAIN / VM) – – 12 –...
  • Page 13 SCHEMATIC DIAGRAM – 1 (MAIN 1 / 3: AMP SECTION / VM) – 13 –...
  • Page 14 SCHEMATIC DIAGRAM – 2 (MAIN 2 / 3: TUNER SECTION) L802 AM IF ADJ. / P B – 14 –...
  • Page 15 SCHEMATIC DIAGRAM – 3 (MAIN 3 / 3: DECK SECTION) – 15 –...
  • Page 16 WIRING – 2 (FRONT / CD KEY / MIC) <1 / 2> – 16 –...
  • Page 17 WIRING – 2 (FRONT / CD KEY / MIC) <2 / 2> – 17 –...
  • Page 18 SCHEMATIC DIAGRAM – 4 (FRONT / CD KEY / MIC) IC401, 402 FRONT SHIFT REGISTER – 18 –...
  • Page 19 WIRING – 3 (AMP 1F) – 19 –...
  • Page 20 SCHEMATIC DIAGRAM – 5 (AMP 1F) – 20 –...
  • Page 21 WIRING – 4 (AMP SATE) – 21 –...
  • Page 22 SCHEMATIC DIAGRAM – 6 (AMP SATE) – 22 –...
  • Page 23 WIRING 5 (PT: U) – – 23 –...
  • Page 24 SCHEMATIC DIAGRAM – 7 (PT: U) – 24 –...
  • Page 25 WIRING 6 (PT: LH, HA) – – 25 –...
  • Page 26 SCHEMATIC DIAGRAM – 8 (PT: LH, HA) – 26 –...
  • Page 27 WIRING 7 (DECK) – – 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, M65849BFP631D IC, BU2099FV – 30 –...
  • Page 31 IC, M61506FP IC, BU9990-03FS – 31 –...
  • Page 32 IC, BA7762AFS IC, LC72131D – 32 –...
  • Page 33 IC, LA1843 IC, BU2092F – 33 –...
  • Page 34 IC, BD3876KS2 – 34 –...
  • Page 35 IC DESCRIPTION IC, LC87654V-5P35 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 36 Description Pin No. Pin Name P23/ECO MODE FL segment output (P23)/Initial ECO MODE less diode input. P22/DSP FL segment output (P22)/DSP less diode input (Not used). P21/PRO/5.1 FL segment output (P21)/PRO-LOGIC 5.1CH diode input (Not used). P20/KEY-CON FL segment output (P20)/KEY CONTROL diode input (Not used). P19/DOLBY FL segment output (P19)/DECK DOLBYdiode input (Not used).
  • Page 37 ADJUSTMENT <TUNER / DECK / FRONT> MAIN C.B SFR352 SFR351 L802 L801 IC801 TP4 (DC BALANCE) (DC BALANCE) L951 TP2 (CLK) (3/3) (1/3) TP1 (VT) FFE831 TP5 (LCH) TP6 (RCH) FRONT C.B FL101 IC101 L101 TP8(GND) DECK–1 P HEAD DECK C.B DECK–2 R/P/E HEAD SFR1 –...
  • Page 38 < TUNER SECTION > < DECK SECTION > 1. Clock frequency Check 8. Tape Speed Adjustment (DECK 2) Settings : • Test point : TP2 Settings : • Test tape : TTA–100 Method : Set to AM 1710kHz and check that the test point is •...
  • Page 39 MECHANICAL EXPLODED VIEW 1 / 1 P.C.B HT-SINK PLATE,PT CHAS,MAIN P.C.B P.C.B HT-SINK FL201 P.C.B P.C.B PLATE,SHLD MECHA AZG-1 ZD3RNDM P.C.B P.C.B PLATE,EARTH MIC 2ZM-3MK2 PR7NM SH,CD – 39 –...

  • Page 40: Color Name Table

    MECHANICAL PART LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NF6-010-010 PANEL,DIRECT 45 8A-NF6-042-010 REFLECTOR,ECO 2 8A-NF6-044-010 REFLECTOR,CD 46 8A-NF6-004-010 CABI,STEEL 3 8A-NF6-205-010 GUIDE,CD 47 8A-NF6-005-010 PANEL,TOP 4 8A-NF6-009-010 PANEL,CD 48 87-NF6-616-010 CONN ASSY,8P RPB 5 8A-NF6-037-010 KEY,CD OPEN...
  • Page 41 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) – 41 –...
  • Page 42 TAPE MECHANISM PART 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 43: Spring Application Position

    SPRING APPLICATION POSITION 82-ZM1-257-019 82-ZM1-218-019 SPR-T,CAS SPR-E,HB 82-ZM1-285-419 82-ZM1-244-510 SPR-C,BT L SPR-C,BT 82-ZM1-219-119 SPR-T,LINK 82-ZM1-259-219 SPR-T,PINCH R 82-ZM1-258-210 SPR-T,PINCH L 82-ZM1-269-219 82-ZM1-214-010 82-ZM3-353-010 SPR-T,BRG SPR-T,DIR SPR-T,HEAD 82-ZM1-322-019 SPR-T,FR 60 82-ZM1-265-310 SPR-E,TRIG 82-ZM1-255-319 SPR-E,LER DIR – 43 –...

  • Page 44: Speaker Disassembly Instructions

    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 45 SPEAKER PARTS LIST SX-WNSZ80 (YLSL,YLSC9) REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NS0-001-010 PANEL,FR 11 88-NS5-610-010 CORD,SPKR 2 8A-NS0-004-010 PANEL,DUCT 12 88-NS5-611-010 CORD,SPKR B/L 3 8A-NS0-005-010 PANEL,TOP 13 8A-NS6-002-010 PANEL,FR(SX-S80) 4 8A-NS0-006-010 PANEL,NAME 14 8A-NS6-004-010 GRILLE,FRAME ASSY(SX-S80) 5 8A-NS0-007-010 GRILLE,FRAME ASSY...
  • Page 46 ACCESSORIES / PACKAGE LIST REF. NO. PART NO. KANRI DESCRIPTION 1 8A-NF6-902-010 IB,LH(ESP)M<80LH,80HA> 1 8A-NF6-912-010 IB,LH(ESP)M 83<83LH> 1 8A-NF6-903-010 IB,U(ESF)M<80U> 2 8Z-NF8-701-210 RC UNIT,RC-ZAS01 3 87-006-225-010 AM LOOP ANT NC2 4 87-043-115-010 ANT,FEEDER FM 5 87-A91-017-010 PLUG,CONVERSION JT-0476<80LH,83LH> – 46 –...
  • Page 47 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9420208 0251431 Printed in Singapore...

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