Aiwa NSX-AJ300 Service Manual
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Aiwa NSX-AJ300 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
COMPACT DISC
STEREO SYSTEM
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
of NSX-AJ300<U>/SZ300<LH,EZ>/AJ305<U>, (S/M Code No. 09-011-440-5T1)
and NSX-SZ305<EZ>, (S/M Code No. 09-012-440-5T2).
• If requiring information about the CD mechanism, see Service Manual of BZG-5,
www
(S/M Code No. 09-00C-353-3N2).
.
http://www.xiaoyu163.com
SYSTEM
CASSEIVER
NSX-AJ300<U>
CX-NAJ300
NSX-AJ305<U>
CX-NAJ305
NSX-SZ300
CX-NSZ300
<LH,EZ>
NSX-SZ305<EZ>
CX-NSZ305
x
ao
y
i
S/M Code No. 09-012-440-5R1
http://www.xiaoyu163.com
NSX-AJ300
8
NSX-AJ305
NSX-SZ300
NSX-SZ305
Q Q
3
6 7
1 3
BASIC TAPE MECHANISM : ZZM-3 PR1NM
BASIC CD MECHANISM : BZG-5 ZD3NM
CD
SPEAKER
SX-NAJ302
SX-NAJ302
SX-R145
SX-NSZ302
u163
.
2 9
9 4
2 8
1 5
0 5
8
2 9
9 4
REMOTE
CONTROLLER
RC-ZAS02
m
co
U
9 9
U
LH,EZ
EZ
2 8
9 9

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Summary of Contents for Aiwa NSX-AJ300

  • Page 1 NSX-SZ305<EZ> CX-NSZ305 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” of NSX-AJ300<U>/SZ300<LH,EZ>/AJ305<U>, (S/M Code No. 09-011-440-5T1) and NSX-SZ305<EZ>, (S/M Code No. 09-012-440-5T2). • If requiring information about the CD mechanism, see Service Manual of BZG-5, (S/M Code No. 09-00C-353-3N2).

  • Page 2: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 Main unit CX-NAJ300/CX-NSZ300/CX-NAJ305/CX-NSZ305 <General> Power requirements U: 120 V AC, 60 Hz <FM tuner section> LH: 120 V/220-230 V/240 V AC Tuning range 87.5 MHz to 108 MHz (switchable), 50/60 Hz Usable sensitivity (IHF) U,LH: 13.2 dBf EZ: 230 V AC, 50 Hz EZ: 16.8 dBf...

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

    http://www.xiaoyu163.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING 3 7 63 1515 0 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

    http://www.xiaoyu163.com NOTE ON BEFORE STARTING REPAIR 1. Forced discharge of electrolytic capacitor of power supply block 3 7 63 1515 0 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 http://www.xiaoyu163.com 3 7 63 1515 0 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

    http://www.xiaoyu163.com ELECTRICAL MAIN PARTS LIST 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-A12-036-000 CAP, E 2200-63 M SMG<U,LH> 87-A12-776-090 CAP, E 2200-50 M 85 SKR<EZ> 87-A21-419-040 C-IC,NJM14558MD-TE2 87-A12-036-000 CAP, E 2200-63 M SMG<U,LH> 87-A21-893-040 C-IC,NJM14558V-TE2 87-A12-776-090...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C304 87-012-275-080 C-CAP,U 1200P-50 K B GRM C784 87-012-286-080 CAP, U 0.01-25 C307 87-A12-062-080 CAP,E 100-10 SMG C785 87-012-286-080 CAP, U 0.01-25 C308 87-A12-062-080 CAP,E 100-10 SMG...
  • Page 8 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C918 87-A10-039-080 C-CAP,U 470P-50 J CH<U,LH> L906 88-ZA1-603-010 COIL,FM-OSC-U 2G<U,LH> C921 87-012-195-080 C-CAP,U 100P-50CH<U,LH> L941 87-A50-020-010 COIL,ANT LW (COI) 252KHZ<EZ> C922 87-012-174-080 C-CAP,U 12P-50 J CH CHJ<U,LH>...
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C901 87-012-195-080 C-CAP,U 100P-50 CH S345 87-A90-095-080 SW,TACT EVQ11G04M<U,LH,300EZ> C902 87-012-195-080 C-CAP,U 100P-50 CH S345 87-A90-164-080 SW,TACT SKQNAB(N)<305EZ> C903 87-012-195-080 C-CAP,U 100P-50 CH S346 87-A90-095-080 SW,TACT EVQ11G04M<U,LH,300EZ>...

  • Page 10: Transistor Illustration

    http://www.xiaoyu163.com CHIP RESISTOR PART CODE 3 7 63 1515 0 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...
  • Page 11 http://www.xiaoyu163.com FL (BJ814GNK) GRID ASSIGNMENT AND ANODE CONNECTION 3 7 63 1515 0 GRID ASSIGNMENT L 13942296513 u163 – 11 – http://www.xiaoyu163.com...
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 ANODE CONNECTION L 13942296513 u163 – 12 – http://www.xiaoyu163.com...
  • Page 13 http://www.xiaoyu163.com WIRING – 1 (MAIN) <U, LH> 3 7 6 3 1 5 1 5 0 (VT) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 13 – http://www.xiaoyu163.com...
  • Page 14 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 1 (MAIN 1 / 2 : AMP) <U,LH> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 14 – http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 2 (MAIN 2 / 2 : TUNER) <U,LH> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 15 – http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com WIRING – 2 (MAIN) <EZ> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 16 – http://www.xiaoyu163.com...
  • Page 17 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 3 (MAIN 1 / 2 : AMP) <EZ> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 17 – http://www.xiaoyu163.com...
  • Page 18 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 4 (MAIN 2 / 2 : TUNER) <EZ> 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 18 – http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com WIRING – 3 (FRONT) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 19 – http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 5 (FRONT) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 – 20 – http://www.xiaoyu163.com...
  • Page 21 http://www.xiaoyu163.com WIRING – 4 (PT) <U, EZ> 3 7 63 1515 0 L 13942296513 u163 – 21 – http://www.xiaoyu163.com...

  • Page 22: Schematic Diagram - 6 (Pt)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 6 (PT) <U,EZ> 3 7 63 1515 0 L 13942296513 u163 – 22 – http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com WIRING – 5 (PT) <LH> 3 7 63 1515 0 L 13942296513 u163 – 23 – http://www.xiaoyu163.com...

  • Page 24: Schematic Diagram - 7 (Pt)

    http://www.xiaoyu163.com SCHEMATIC DIAGRAM – 7 (PT) <LH> 3 7 63 1515 0 L 13942296513 u163 – 24 – http://www.xiaoyu163.com...
  • Page 25 http://www.xiaoyu163.com WIRING – 6 (DECK) 3 7 6 3 1 5 1 5 0 TO FRONT C.B CN104 D DECK C.B (FC104) 1 3 5 7 9 11 2 4 6 8 10 (CAM2) (CAM1) (REA) (CST1) (CST2) SOL2 SOL1 SFR1 DECK MOTOR...

  • Page 26: Ic Block Diagram

    http://www.xiaoyu163.com IC BLOCK DIAGRAM 3 7 63 1515 0 L 13942296513 u163 – 26 – http://www.xiaoyu163.com...
  • Page 27 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 27 – http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com IC DESCRIPTION µ µ PD780226GF-021-3BA<U,LH,300EZ>, IC, PD780228GF-078-3BA<305EZ> 3 7 63 1515 0 Pin No. Pin Name Description O-MOTOR DECK MOTOR ON/OFF output. O-SOL1 DECK1 solenoid ON/OFF output. O-SOL2 DECK2 solenoid ON/OFF output. O-STBY STANDBY LED (Echo mode) output (ON/OFF). –...
  • Page 29 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description I-SPEANA_1 A/D input for spectrum analyser level display. I-SPEANA_2 A/D input for spectrum analyser level display. I-KEY1 Key A/D input 1. I-KEY2 Key A/D input 2. I-SPEANA_3 A/D input for spectrum analyser level display. I-TU_SIG Tuner signal input <305EZ only>.
  • Page 30 http://www.xiaoyu163.com ADJUSTMENT <TUNER / FRONT / DECK> 3 7 63 1515 0 < TUNER SECTION > 1. Clock Frequency Check 8. FM Tracking Adjustment <U,LH> Settings : • Test point : TP2 (CLK) Settings : • Test point : TP8(Lch), TP9(Rch) Method : Set to AM 1710kHz(U,LH), MW 1602kHz(EZ) and •...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 < DECK SECTION > 13. Tape Speed Adjustment (DECK 2) 17. REC/PB Frequency Response Adjustment (DECK 2) Settings : • Test tape : TTA–602 Settings : • Test tape : TTA–100 • Test point : TP8(Lch), TP9(Rch) •...

  • Page 32: Cd Test Mode

    http://www.xiaoyu163.com CD TEST MODE 3 7 63 1515 0 1. How to Start the CD Test Mode While pressing the FUNCTION button, insert the AC plug to the power outlet. When the test mode is started, the message [CD TEST] is displayed. 2.
  • Page 33 http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 BZG-5 ZD3NM 305 U WIRE,BINDER HT-SINK S FL901 1 3 9 4 2 2 9 6 5 1 3 HT-SINK 60S 300 EZ CHAS,MAIN w w w u 1 6 3 ZZM-3 PR1NM...

  • Page 34: Mechanical Parts List

    10 8B-NF9-001-010 CABI,FR U<U> 35 8B-NF9-211-010 HLDR,TR S 11 8Z-NF6-210-010 DMPR,150 N 36 8A-NF9-211-010 HLDR,PWB PT HI 12 87-CE3-023-010 BADGE,AIWA 30N SILV 37 87-NF4-221-010 HLDR,CABLE 13 8B-NF9-035-010 WINDOW,DISP H<LH,EZ> 38 87-A80-092-010 AC CORD ASSY,E BLK SUN FAI<LH,EZ> 13 8B-NF9-010-010 WINDOW,DISP U<300U>...
  • Page 35 http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 1 / 1 3 7 6 3 1 5 1 5 0 TERMINAL, TERMINAL,LB1 IC, EW732 1 3 9 4 2 2 9 6 5 1 3 IC, EW732 w w w u 1 6 3 –...

  • Page 36: Tape Mechanism Parts List

    http://www.xiaoyu163.com TAPE MECHANISM PARTS LIST 1 / 1 3 7 63 1515 0 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...

  • Page 37: General Speaker Disassembly Instructions (For Reference)

    http://www.xiaoyu163.com GENERAL SPEAKER DISASSEMBLY INSTRUCTIONS (FOR REFERENCE) 3 7 63 1515 0 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.

  • Page 38: Accessories / Package List

    http://www.xiaoyu163.com SPEAKER PARTS LIST SX-NAJ302(YUSC,YUSL,YUSN,YUS1N,YUSC9) 3 7 63 1515 0 SX-NSZ302 (YSC,YSL,YLSC,YLSL,YSC9,YLSC9) REF. NO. PART NO. KANRI DESCRIPTION 1 8B-NSK-001-010 PANEL,FR R 2 8B-NSK-002-010 PANEL,FR L 3 8B-NSK-005-010 PROTECTOR, ASSY 4 8B-NSK-602-010 SPKR,W 160<EXCEPT YLSC,YLSL,YLSC9> 4 8B-NSK-608-010 SPKR,W 160 H<YLSC,YLSL,YLSC9> 5 8B-NSK-604-010 SPKR,T 60<EXCEPT YSC,YSL,YSC9>...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9820543 0251431 Printed in Singapore http://www.xiaoyu163.com...

This manual is also suitable for:

Nsx-sz300Nsx-sz305Nsx-aj305

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