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Aiwa NSX-HMA56 Service Manual

Cassette disc stereo cassette recorder
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SERVICE MANUAL
CASSETTE DISC
STEREO CASSETTE RECORDER
SYSTEM
CD CASSEIVER
NSX-HMA56
CX-HMA56
NSX-DP55
CX-DP55
• This Service Manual is the “Revision Publishing” and replaces “Simple Manual”
NSX-HMA56(U), NSX-DP55(EZ), (S/M Code No. 09-002-429-3T1 and 09-003-429-3T2).
• If requiring information about CD mechanism, see Service Manual of AZG-1, ZA3RDM/
YKZA3RDF(S/M Code No. 09-001-335-3NC), YKZD8RDF(S/M Code No. 09-001-335-3N6)
and ZA8RDC(S/M Code No. 09-001-335-3NA).
• This Service manual does not include “Electrical adjustment”, “IC BLOCK DIAGRAM”
and “IC DESCRIPTION”. These items will be issued in the next supplement.
DECK MECHANISM
U: ZZM-3 PR1NM
LH: 2ZM-3MK2 PR4NM
EZ,K: 2ZM-3MK2 PR4NM
6ZM-3 PR2NM
S/M Code No. 09-007-429-3R1
NSX-HMA56
NSX-DP55
BASIC TAPE MECHANISM : ZZM-3, 2ZM-3MK2, 6ZM-3
BASIC CD MECHANISM : AZG-1
CD MECHANISM
USFD: AZG-1 YKZD8RDF
AZG-1 YKZA3RDF
USC: AZG-1 ZA8RDC
USM,LH,EZ,K: AZG-1 ZA3RDM
LH,EZ,K: AZG-1 ZA3RDM
U
LH,K,EZ
REMOTE
SPEAKER
CONTROLLER
U: SX-WNAJ50
SX-C605
SX-R275
RC-ZAS15
LH: SX-NSZ52
SX-CR677
EZ,K: SX-NDP54
SX-CR677

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Summary of Contents for Aiwa NSX-HMA56

  • Page 1 SX-CR677 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” NSX-HMA56(U), NSX-DP55(EZ), (S/M Code No. 09-002-429-3T1 and 09-003-429-3T2). • If requiring information about CD mechanism, see Service Manual of AZG-1, ZA3RDM/ YKZA3RDF(S/M Code No. 09-001-335-3NC), YKZD8RDF(S/M Code No. 09-001-335-3N6) and ZA8RDC(S/M Code No.

  • Page 2: Specifications

    SPECIFICATIONS Main unit Total harmonic distortion FM tuner section K,EZ: Tuning range Usable sensitivity (IHF) U,LH: K,EZ: Antenna terminals Inputs AM Tuner section Tuning range Outputs µ Usable sensitivity Antenna LW Tuner section (K,EZ) Tuning range µ sable sensitivity Antenna Amplifier section Mid-high frequency amplifier <U only>...
  • Page 3 Speaker system SX-NSZ52 <LH> Speaker system Speaker unit Impedance Sensitivity Dimensions(W Weight Speaker system SX-NDP54 <K,EZ> Speaker system Speaker unit Impedance Sensitivity Dimensions(W Weight ACCESSORIES / PACKAGE LIST 1 8A-NFV-903-110 IB,U(EFS)M<USM,USFD> 1 8A-NFV-913-110 IB,U(EFS)B<USC> 1 8A-NFV-902-010 IB,LH(ESP)M<LH> 1 8A-NFV-905-010 IB,K(E)M<KSM> 1 8A-NFV-915-010 IB,K(E)E<KSE>...
  • Page 4 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING CAUTION This set employs laser. Therefore, be sure to follow carefully 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 5 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 6 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 7 ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-012-368-080 C-CAP,S 0.1-50 F 87-016-658-000 CAP,E 4700-35 M SMG 87-020-454-010 IC,DN6851<LH,EZ,K> 87-016-658-000 CAP,E 4700-35 M SMG 87-A21-398-010 IC,STK490-110<U> 87-010-406-080 CAP, ELECT 22-50 87-A21-355-010 IC,STK490-140<LH,EZ,K> 87-010-406-080 CAP, ELECT 22-50 8A-NFV-621-010...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C337 87-010-196-080 CHIP CAPACITOR,0.1-25 C452 87-A10-802-080 C-CAP,S 0.047-16 J B CM C339 87-010-196-080 CHIP CAPACITOR,0.1-25 C453 87-016-081-080 C-CAP,S 0.1-16 RK C340 87-010-196-080 CHIP CAPACITOR,0.1-25 C454 87-016-081-080 C-CAP,S 0.1-16 RK C351 87-012-140-080 CAP 470P...
  • Page 9 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C796 87-010-197-080 CAP, CHIP 0.01 DM C983 87-010-197-080 CAP, CHIP 0.01 DM C797 87-010-405-080 CAP, ELECT 10-50V C984 87-010-197-080 CAP, CHIP 0.01 DM C798 87-010-197-080 CAP, CHIP 0.01 DM C985 87-010-322-080 C-CAP,S 100P-50 CH<EZ,K>...
  • Page 10 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION FRONT C.B L331 87-A50-408-010 COIL,OSC 5.76MHZ LED311 87-A40-589-040 LED,SLR-56VCT31 RED C201 87-010-322-080 C-CAP,S 100P-50 CH LED601 87-A40-803-010 LED,SELU1E10CXM-S LF38 BLUE C202 87-010-322-080 C-CAP,S 100P-50 CH LED602 87-A40-619-080 LED,SLR-56PT-TE7-W GRN C203 87-010-322-080 C-CAP,S 100P-50 CH...
  • Page 11 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C117 87-010-196-080 CHIP CAPACITOR,0.1-25<EZ,K> AMP P-LOGIC<U> C119 87-010-197-080 CAP, CHIP 0.01 DM C120 87-010-197-080 CAP, CHIP 0.01 DM C101 87-010-181-080 CAP,CHIP S 1800P<U> C133 87-010-190-080 CAP,S 0.01-50 Z F C2912 C102 87-010-181-080 CAP,CHIP S 1800P<U>...
  • Page 12 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION SFR1 87-024-581-010 SFR,3.3K DIA 6H 87-036-110-010 SW,MICRO SPPB62<LH> SOL1 82-ZM1-618-410 SOL ASSY,27 87-A90-248-010 SW,MICRO ESE11SH2CXQ<LH> SOL2 82-ZM1-618-410 SOL ASSY,27 87-A90-248-010 SW,MICRO ESE11SH2CXQ<LH> 87-A90-248-010 SW,MICRO ESE11SH2CXQ<LH,EZ,K> 82-ZM3-601-010 RBN,CORD,4P-75<LH,EZ,K> 87-A90-673-010 SW,MICRO ESE11SH1C<U>...
  • Page 14 SCHEMATIC DIAGRAM – 1 (MAIN : 1 / 6 <AMP SECTION> U) FFC602 – 14 –...
  • Page 15 SCHEMATIC DIAGRAM – 2 (MAIN : 1 / 6 <AMP SECTION> EZ, K, LH) MUTE FFC602 – 15 –...
  • Page 16 SCHEMATIC DIAGRAM – 3 (MAIN : 3 / 6 <PRO LOGIC SECTION>) – 16 –...
  • Page 17 SCHEMATIC DIAGRAM – 4 (MAIN : 4 / 6 <DECK SECTION>) <LH> – 17 –...
  • Page 18 SCHEMATIC DIAGRAM – 5 (MAIN : 5 / 6 <TUNER SECTION> U, LH) – 18 –...
  • Page 19 SCHEMATIC DIAGRAM – 6 (MAIN : 6 / 6 <TUNER SECTION> EZ, K) – 19 –...
  • Page 21 SCHEMATIC DIAGRAM – 7 (FRONT : LH) FFC731 FFC104 – 21 –...
  • Page 22 SCHEMATIC DIAGRAM – 8 (FRONT : U, EZ, K) FFC731 FFC104 – 22 –...
  • Page 24 SCHEMATIC DIAGRAM – 9 (AMP 1F) FFC106 – 24 –...
  • Page 26 SCHEMATIC DIAGRAM – 10 (AMP P-LOGIC <U ONLY>) HOLD SW – 26 –...
  • Page 28 SCHEMATIC DIAGRAM – 11 (PT : LH) C15 0.1 C14 0.1 – 28 –...
  • Page 30 SCHEMATIC DIAGRAM – 12 (PT : U, EZ, K) C15 0.1 – 30 –...
  • Page 31 FROM FRONT C. B CN302 DECK C . B...
  • Page 32 WIRING – 8 (HEAD : U) – 32 –...
  • Page 33 WIRING – 9 (DECK / HEAD-1 / HEAD-2 : LH) – 33 –...
  • Page 34 WIRING – 10 (DECK / HEAD – 1 : EZ, K) – 34 –...
  • Page 35 MECHANICAL EXPLODED VIEW 1 / 1 <U> AZG-1 P.C.B P.C.B HT-SINK FL101 HT-SINK VM P.C.B PLATE,PT P.C.B CHAS,MAIN ZZM-3 PLATE,EARTH MECH – 35 –...
  • Page 36 82-NF5-229-010 PLATE,LOCK 8A-NFV-027-010 COVER,REAR STEEL US 8A-NFV-002-010 PANEL,FR U 87-084-077-010 RIVET,NYL 3.5-4.5 8A-NFV-010-010 WINDOW,DISP U 87-064-185-010 HLDR,WIRE PVC 0.5 87-CE3-023-010 BADGE,AIWA 30N SILV 8A-NF6-217-010 HLDR,PWB PT 8A-NF8-009-010 PANEL,CD 8A-NFV-604-010 PT,ANF-V U 8A-NF8-007-010 PANEL,LEFT V-2 8A-NF7-208-010 HLDR,HT R 8A-NF8-005-010 PANEL,TOP 87-A80-110-010...
  • Page 37 TAPE MECHANISM EXPLODED VIEW 1 / 1 <U> TERMINAL,LB1 TERMINAL, IC, EW732 IC, EW732 P.C.B – 37 –...
  • Page 38 TAPE MECHANISM PARTS LIST 1 / 1 <U> 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 HEAD,EH LE15B 8Z-ZM1-232-010 GEAR,IDL FF/REW...
  • Page 39 MECHANICAL EXPLODED VIEW 1 / 1 <LH> AZG-1 P.C.B P.C.B FL101 HT-SINK T5 HT-SINK VM2 P.C.B WIRE,BINDER PLATE,PT P.C.B PLATE SHLD 2T PLATE,EARTH MIC CHAS,MAIN 2ZM-3MK2 PLATE,EARTH MECH – 39 –...
  • Page 40 FAN,3110GL-B4W-B34-H02-400MM 82-NF5-229-010 PLATE,LOCK 8A-NF6-217-010 HLDR,PWB PT 8A-NFV-004-010 PANEL,FR H 87-085-221-010 FOOT,H13.5 8A-NFV-012-010 WINDOW,DISP H 8A-NF7-208-010 HLDR,HT R 87-CE3-023-010 BADGE,AIWA 30N SILV 8A-NF7-207-010 HLDR,HT L 8A-NF8-009-010 PANEL,CD 8A-NF7-226-010 HLDR,IC2-T2 8A-NF8-007-010 PANEL,LEFT V-2 8Z-NB8-254-010 COVER, PL M3 8A-NF8-005-010 PANEL,TOP 8Z-NB8-240-010 COVER, PL...
  • Page 41 TAPE MECHANISM EXPLODED VIEW 1 / 1 <LH> PH(DECK 1) RPH(DECK 2) DECK C.B CUSH-G,DIA3.7-8-3.2 CUSH-G,DIA3.7-8-3.2 HLDR,IC HLDR,IC CAPSTAN N 2.2-41.7 CAPSTAN N 2.2-41.5 HEAD 1 C.B(DECK 1) BELT D2 HEAD 2 C.B(DECK 2) (DECK 1) (DECK 1) (DECK 2) (DECK 2) SH,1.63-3.2-0.5 SLT –...
  • Page 42 TAPE MECHANISM PARTS LIST 1 / 1 <LH> REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 82-ZM3-301-610 CHAS ASSY,M2 31 82-ZM1-255-310 SPR-E,LVR DIR 2 82-ZM1-258-210 SPR-T,PINCH L 32 82-ZM3-305-210 GEAR,CAM M2 3 82-ZM1-341-210 LVR ASSY,PINCH L2 33 82-ZM1-227-310 LVR,TRIG 4 82-ZM1-333-210...
  • Page 43 MECHANICAL EXPLODED VIEW 1 / 1 <EZ, K> AZG-1 P.C.B P.C.B FL101 HT-SINK T5A HT-SINK VM2 P.C.B WIRE,BINDER PLATE,PT P.C.B PLATE SHLD 2T PLATE,EARTH MIC CHAS,MAIN 6ZM-3 or 2ZM-3MK2 PLATE,EARTH MECH – 43 –...
  • Page 44 PANEL,REAR EZSM<EZSM> 82-NF5-229-010 PLATE,LOCK 8A-NFV-024-010 PANEL,REAR KSM<KSM> 8A-NFV-003-010 PANEL,FR EZ 8A-NHU-053-010 COVER, REAR H 8A-NFV-011-010 WINDOW,DISP E 87-084-077-010 NYLON RIVET, 3.5-4.5 87-CE3-023-010 BADGE,AIWA 30N SILV 87-064-185-010 HLDR,WIRE 8A-NF8-009-010 PANEL,CD 8A-NF6-219-010 HLDR,FAN 8A-NF8-007-010 PANEL,LEFT V-2 87-A91-711-010 FAN,3110 GL-B4W,B34H 8A-NF8-005-010 PANEL,TOP 8A-NF6-217-010...
  • Page 45 TAPE MECHANISM EXPLODED VIEW 1 / 1 <EZ, K> P.C.B SOL 2 (DECK L only) SOL 1 (DECK L SIDE) (DECK R SIDE) LEVER EJECT R P.C.B PLATE CAPSTAN N 2.2-41.7 SHLD M3 LEVER EJECT L (DECK 2) CAPSTAN N 2-41.5 –...
  • Page 46 TAPE MECHANISM PARTS LIST 1 / 1 <EZ, K> REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 86-ZM3-215-010 CHAS ASSY,RS 41 82-ZM1-216-310 GEAR,REEL 2 86-ZM3-202-010 BASE,HEAD S 42 86-ZM3-213-010 S-SCREW,HLDR,MOT 3 3 86-ZM3-205-010 SPR-C,RPH S 43 82-ZM1-225-210 GEAR,FR 4 82-ZM1-333-210...
  • Page 47 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 48 GILLE,FRAME ASSY<YUSL> 2 81-VSA-009-010 CORD,BUSH<277> 3 8A-NS8-006-010 GILLE,FRAME ASSY U<YUSC9> 3 87-010-384-010 CAP,E 100-25 M SME<277> 4 87-YS6-002-010 SPKR,CORD Y<277> 4 8A-NSJ-006-010 BADGE,AIWA S35 5 8Z-YS1-601-010 SPKR,100<277> 5 8A-DS8-009-010 PROTECTOR 6 88-NS5-610-010 CORD,SPKR 6 87-YS7-012-010 PANEL,FR S<607> 7 88-NS5-611-010 CORD,SPKR B/L 7 81-VSA-009-010 CORD,BUSH<607>...
  • Page 49 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 912204 0251431 Printed in Singapore...

This manual is also suitable for:

Nsx-dp55