Aiwa NSX-HMT75 Service Manual
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Aiwa NSX-HMT75 Service Manual

Aiwa NSX-HMT75 Service Manual

Aiwa nsx-hmt75; nsx-hmt75u compact disc/ stereo cassette receiver
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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
COMPACT DISC/
STEREO CASSETTE RECEIVER
SYSTEM
NSX–HMT75
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-003-425-9T1).
• If requiring information about the CD mechanism, see Service Manual of AZG-1,
(S/M Code No. 09-001-335-3N8).
www
.
http://www.xiaoyu163.com
CD
CASSEIVER
CX–NHMT75
x
ao
u163
y
i
S/M Code No. 09-003-425-9R1
http://www.xiaoyu163.com
NSX-HMT75
2 9
8
Q Q
3
6 7
1 3
1 5
BASIC TAPE MECHANISM : 2ZM-3 MK2 PR4NM
BASIC CD MECHANISM : AZG-1 ZD3RDM
SPEAKER
SX–NAJ72
SX-R275
SX-C605
co
.
U
9 4
2 8
0 5
8
2 9
9 4
2 8
REMOTE
CONTROLLER
RC–ZAS05
m
9 9
9 9

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Summary of Contents for Aiwa NSX-HMT75

  • Page 1 NSX-HMT75 3 7 63 1515 0 SERVICE MANUAL L 13942296513 COMPACT DISC/ BASIC TAPE MECHANISM : 2ZM-3 MK2 PR4NM STEREO CASSETTE RECEIVER BASIC CD MECHANISM : AZG-1 ZD3RDM REMOTE SYSTEM SPEAKER CASSEIVER CONTROLLER SX–NAJ72 RC–ZAS05 SX-R275 NSX–HMT75 CX–NHMT75 SX-C605 •...

  • Page 2: Specifications

    http://www.xiaoyu163.com SPECIFICATIONS 3 7 63 1515 0 • Design and specifications are subject to change without notice. L 13942296513 • Dolby noise reduction manufactured under license from Dolby Labo- ratories Licensing Corporation. • “DOLBY”, and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

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

    http://www.xiaoyu163.com PROTECTION OF EYES FROM LASER BEAM DURING SERVICING This set employs laser. Therefore, be sure to follow carefully the CAUTION 3 7 63 1515 0 instructions below when servicing. Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous WARNING! 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 In such a case, check also if the POWER AMPLIFIER circuit or power supply circuit has any abnormalities or not. 3 7 63 1515 0 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 MAIN C.B 87-020-454-010 IC,DN6851 C0003 87-012-368-080 C-CAP,S 0.1-50 Z F 8A-NF6-605-130 C-IC,LC876572V5P39 C0004 87-012-368-080 C-CAP,S 0.1-50 Z F 87-A21-355-010 IC,STK490-140 C0021...
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0378 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 C0466 87-010-194-080 C-CAP,S 0.047-25 Z F C0379 87-010-382-080 CAP,E 22-25 M 11L SME C0467 87-A10-201-080 C-CAP,S 0.33-16 K B C0380 87-010-382-080...
  • Page 8 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0792 87-010-197-080 C-CAP,S 0.01-25 K B C2012 CN0601 87-099-719-010 CONN,30P H BLK TYK-B(X) C0793 87-010-404-080 CAP,E 4.7-50 M 11L SME CN0602 87-099-194-010 CONN,6P V BLK 6216 C0795 87-010-197-080...
  • Page 9 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0221 87-010-421-040 CAP,E 4.7-50 M 5L SRE S0102 87-A91-710-010 SW,RTRY 1-2-12 RE012103PV2B25F C0222 87-010-404-040 CAP,E 4.7-50 M 11L SME S0301 87-A91-024-180 SW,TACT KSHG611BT C0223 87-010-408-040 CAP,E 47-50 M 11L SME...
  • Page 10 http://www.xiaoyu163.com 3 7 63 1515 0 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C0251 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 HEAD-2 C.B C0252 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 C0253 87-010-196-080 C-CAP,S 0.1-25 Z F C2012 85-ZM3-602-010 PWB,FLEX A C0254...

  • Page 11: Transistor Illustration

    http://www.xiaoyu163.com 3 7 63 1515 0 CHIP RESISTOR PART CODE 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 12: Ic Block Diagram

    http://www.xiaoyu163.com IC BLOCK DIAGRAM-1 IC, M61506FP IC, M62491FP 3 7 63 1515 0 L 13942296513 IC, BD3876KS2 u163 http://www.xiaoyu163.com...
  • Page 13 http://www.xiaoyu163.com FL (BL754GNK) GRID ASSIGNMENT/ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION 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 http://www.xiaoyu163.com...
  • Page 14 http://www.xiaoyu163.com WIRING-1 (MAIN C.B) 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 http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com SCHEMATIC DIAGRAM-1 (MAIN-FUNCTION SECTION) 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 CNA003 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com SCHEMATIC DIAGRAM-2 (MAIN-TUNER SECTION) 3 7 6 3 1 5 1 5 0 (DC) (CLK) (DC) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 17 http://www.xiaoyu163.com SCHEMATIC DIAGRAM-3 (MAIN-DECK SECTION) 3 7 6 3 1 5 1 5 0 47/25 3.3k RT1P441C 1200p 1200p 1 3 9 4 2 2 9 6 5 1 3 4.7/50 180k 270k 2.2/50 4.7/50 w w w u 1 6 3 47/25 330/6.3 http://www.xiaoyu163.com...
  • Page 18 http://www.xiaoyu163.com SCHEMATIC DIAGRAM-4 (MAIN-PRO LOGIC SECTION) 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 http://www.xiaoyu163.com...
  • Page 19 http://www.xiaoyu163.com WIRING-2 (DECK, HEAD C.B) 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 http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com WIRING-3 (FRONT C.B) 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 http://www.xiaoyu163.com...
  • Page 21 http://www.xiaoyu163.com SCHEMATIC DIAGRAM-5 (FRONT SECTION) 3 7 6 3 1 5 1 5 0 L101 -CON OSC ADJ. 1 3 9 4 2 2 9 6 5 1 3 CSA952K CSA952K w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 22 http://www.xiaoyu163.com WIRING-4 (AMP1F, AMP2F C.B) 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 http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com SCHEMATIC DIAGRAM-6 (AMP 1F SECTION) 3 7 6 3 1 5 1 5 0 6P 6216 A-GND (SUR) I-SUR (R) I-SUR (L) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 24 http://www.xiaoyu163.com SCHEMATIC DIAGRAM-7 (AMP 2F SECTION) 3 7 6 3 1 5 1 5 0 CONN, 6P V FE 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 http://www.xiaoyu163.com...
  • Page 25 http://www.xiaoyu163.com WIRING-5 (PT C.B) SCHEMATIC DIAGRAM-8 (PT SECTION) 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 http://www.xiaoyu163.com...
  • Page 26 http://www.xiaoyu163.com ADJUSTMENT < TUNER SECTION > 10. PB Frequency Response Check (DECK 1, DECK 2) 3 7 6 3 1 5 1 5 0 MAIN C.B 1. Clock frequency Check Settings : • Test tape : TTA–300 Settings : • Test point : TP2 •...
  • Page 27 http://www.xiaoyu163.com IC BLOCK DIAGRAM-2 IC, BA7762AFS 3 7 63 1515 0 IC, BU2099FV L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 28 http://www.xiaoyu163.com IC, M62463AFP 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 29 http://www.xiaoyu163.com IC DESCRIPTION IC, LC876572V-5P39 3 7 6 3 1 5 1 5 0 Description Pin No. Pin No. Pin Name Pin Name Description P22/DSP FL segment P22 output / DSP less diode input. O-CLK Common serial CLOCK output. P21/PRO/5.1 FL segment P21 output / PRO-LOGIC 5.1CH diode input (Not used).
  • Page 30 http://www.xiaoyu163.com MECHANICAL EXPLODED VIEW 1/1 3 7 6 3 1 5 1 5 0 AMP2F C.B AZG-1 MAIN C.B VM C.B FL201 HT-SINK HT-SINK,VM 2 AMP1F C.B 1 3 9 4 2 2 9 6 5 1 3 FRONT C.B PT C.B 2ZM-3MK2 PLATE,...

  • Page 31: Mechanical Main Parts List

    PANEL,ASSY FR U 8Z-NB8-254-010 COVER, PL M3 8A-NFU-006-010 WINDOW,DISP U 8Z-NB8-240-010 COVER, PL 8A-NF7-005-010 PANEL,TRAY U 87-067-703-010 TAPPING SCREW, BVT2+3-10 87-CE3-023-010 BADGE,AIWA 30N SILV 87-067-581-010 TAPPING SCREW, BVT2+3-15 8A-NF7-008-010 PANEL,CD 87-067-688-010 BVTT+3-6 8A-NF8-007-010 PANEL,LEFT V-2 87-NF4-224-010 S-SCREW,IT3B+3-8 CU 8A-NF8-006-010 WINDOW,TOP...

  • Page 32: 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 1 82-ZM3-301-510 1H CHAS ASSY,M2 36 82-ZM3-339-010 0E SHAFT,COUPLER N3(DECK 1) 2 82-ZM1-258-110 0E SPR-T,PINCH L 37 86-ZM1-206-010 0E BELT,MAIN L 3 82-ZM1-341-110 1A LVR ASSY,PINCH L2 38 82-ZM1-322-010 0E SPR-T,FR60 4 82-ZM1-333-010 0E PLATE,LINK 2...

  • Page 33: Tape Mechanism Exploded View

    http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 1/2 3 7 63 1515 0 PH(DECK 1) RPH(DECK 2) (DECK 2) (DECK 1) L 13942296513 HEAD 1 C.B(DECK 1) HEAD 2 C.B(DECK 2) (DECK 1) (DECK 2) (DECK 2) u163 http://www.xiaoyu163.com...
  • Page 34 http://www.xiaoyu163.com TAPE MECHANISM EXPLODED VIEW 2/2 3 7 63 1515 0 DECK C.B SOL 2 CUSH-G,DIA3.7-8-3.2 CUSH-G,DIA3.7-8-3.2 SOL 1 CAPSTAN N 2.2-41.7 L 13942296513 CAPSTAN N 2.2-41.5 (DECK 1) u163 http://www.xiaoyu163.com...

  • Page 35: Speaker Disassembly Instructions

    http://www.xiaoyu163.com SPEAKER DISASSEMBLY INSTRUCTIONS 3 7 63 1515 0 Type.4 Type.1 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 ( –...
  • Page 36 PANEL,FR L 3 8A-NSH-003-010 PANEL,BA 4 8A-NSH-004-010 PANEL,DUCT 5 8A-NSH-005-010 PROTECTOR, TW 6 8A-NSH-006-010 GRILLE,FRAME ASSY 7 8A-NSJ-006-010 BADGE,AIWA S35 8 8A-NSH-010-010 CORD,SPKR 9 8A-NSH-602-010 SPKR, W 150 10 86-NSR-604-010 SPKR, T 60 11 87-NSH-612-010 SPKR,CERAMIC ASSY SPEAKER (SX-R275) PARTS LIST REF.

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