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Aiwa XR-MS3 U Service Manual
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Aiwa XR-MS3 U Service Manual

Aiwa XR-MS3 U Service Manual

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SERVICE MANUAL
COMPACT DISC
STEREO SYSTEM
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
XR-MS3 (U,EZ), (S/M Code No. 09-001-422-6T1).
• This Service Manual does not include "CD ELECTRICAL SECTION".
These items will be issued in the next Suplement.
XR-MS3
BASIC TAPE MECHANISM : 2ZM-1 R10NM
BASIC CD MECHANISM : TN-CCD1001-902M
SYSTEM
XR–MS3
S/M Code No. 09-002-422-6R1
SPEAKER
SX-MS7
U,EZ

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Summary of Contents for Aiwa XR-MS3 U

  • Page 1 XR-MS3 U,EZ SERVICE MANUAL COMPACT DISC BASIC TAPE MECHANISM : 2ZM-1 R10NM STEREO SYSTEM BASIC CD MECHANISM : TN-CCD1001-902M SYSTEM SPEAKER XR–MS3 SX-MS7 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” XR-MS3 (U,EZ), (S/M Code No. 09-001-422-6T1). •...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS ................................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ............... 4 PRECAUTION TO REPLACE OPTICAL BLOCK ......................4 SERVICE JIG AND TOOLS ............................... 5 DISASSEMBLY INSTRUCTIONS ..........................6 ~ 9 ELECTRICAL MAIN PARTS LIST ........................... 10 ~ 13 TRANSISTOR ILLUSTRATION ............................

  • Page 3: Specifications

    SPECIFICATIONS <FM tuner section> <General> Tuning range 87.5 MHz to 108 MHz Power requirements U : 120 V AC, 60 Hz Usable sensitivity (IHF) U : 13.2 dBf EZ : 230 V AC, 50 Hz EZ : 16.8 dBf Power consumption U : 45 W Antenna terminals 75 ohms (unbalanced)

  • Page 4: 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 5: Service Jig And Tools

    SERVICE JIG AND TOOLS The distance between the FRONT C.B and the MAIN C.B may be extended with the jig when repairing the FRONT C.B. Name: JIG, EXT 18P No.: SV-J00-071-010 1. Assemble Method 1) Remove the solders on the pattern side of JIG C.B. 2) Remove the covers by pushing the picks of sockets (as shown by Fig.

  • Page 6: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 1. CD BLOCK Remove the PANEL, SIDE. Remove the four screws indicated by the arrows Screw and remove the PANEL, SIDE (right and left). Screw Screw PANEL, SIDE Screw Screw Remove the CABI, TOP ASSY. CABI, TOP ASSY Remove the five screws indicated by the arrows and remove the CABI, TOP ASSY.
  • Page 7 Remove the TUNER board. TUNER board Remove the TUNER board connected to the connector. Remove the CABI, FR ASSY. Remove the three screws indicated by the arrows and remove the CABI, FR ASSY. CABI, FR ASSY Screw Screw Screw Remove the CD MECHA. (1) Remove the two screws indicated by the arrows.
  • Page 8 Lay the XR-MS3 in its Service Position. (1) Attach the CABI, FR ASSY. (2) Place the main unit and the CD unit as shown below. (3) Connect the CABLE, FFC 15P and CONN, ASSY 2P to the CD MECHA and turn on the main power. CABLE, FFC 15P Service Position CONN, ASSY 2P...
  • Page 9 2. CASSETTE BLOCK CABI, TOP ASSY Remove the CABI, TOP ASSY in the same procedure (1 ~ 3) as for CD block. Remove the HLDR, FR and HLDR, REAR. Screw Screw Remove the six screws indicated by the arrows and remove the HLDR, FR and HLDR, REAR.

  • Page 10: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-010-196-080 CHIP CAPACITOR,0.1-25 87-010-194-080 CAP, CHIP 0.047 8A-CJ5-601-010 C-IC,LC876580W-5N98 87-010-196-080 CHIP CAPACITOR,0.1-25 87-070-246-010 IC,GP1U271X 87-A12-033-090 CAP,E 6800-25 SMG30L 87-A20-909-010 IC,LA4663 87-010-409-080 CAP,E 220-50 SME 87-017-915-080 IC,BU4094BCF 87-017-585-080...
  • Page 11 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C409 87-012-140-080 CAP 470P 87-A90-195-080 PROTECTOR 7A 125V 49<EZ> C410 87-012-140-080 CAP 470P 87-A90-195-080 PROTECTOR 7A 125V 49<EZ> C411 87-010-404-080 CAP, ELECT 4.7-50V 87-026-689-080 PROTECTOR,1A 60V 491<EZ> C412 87-010-404-080 CAP, ELECT 4.7-50V WH005...
  • Page 12 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C352 87-012-140-080 CAP 470P C711 87-010-260-080 CAP,ELECT 47-25V C354 87-010-175-080 CAP 560P C712 87-010-831-080 C-CAP,U,0.1-16F C355 87-010-178-080 CHIP CAP 1000P C713 87-012-286-080 CAP,U 0.01-25<EZ> C356 87-010-260-040 CAP,E 47-25 SME C714 87-012-286-080 CAP,U 0.01-25...

  • Page 13: Chip Resistor Part Code

    REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C797 87-012-276-080 C-CAP,U 1500P-50 KB<EZ> FFE801 A8-6ZA-191-130 6ZA-1 FEENM<EZ> C798 87-012-276-080 C-CAP,U 1500P-50 KB<EZ> J801 87-A60-702-010 TERMINAL,ANT 4P CJ-9036<U> C799 87-010-829-080 CAP,U 0.047-16 J801 87-033-241-010 TERMINAL,ANT 2P AJ-2039<EZ> C812 87-012-286-080 CAP,U 0.01-25...

  • Page 14: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B B C E E C B E C B CSA1585 2SB1370 2SD1858 DTC114ES CSC4115 KTA1266 KTC3198 KTC3199 DTC144EK 2SK2158 2SA1235 2SK543 KTA1298 2SC2714 RT1N141C 2SC3052 CSD1306 RT1P141C DTA144EK RT1P144C DTC124EK RT1P441C DTC124EKA – 14 –...

  • Page 15: Wiring - 1 (U : Main / Vm)

    WIRING - 1 (U: MAIN/VM) <1/2> -15-...
  • Page 16 WIRING - 1 (U: MAIN/VM) <2/2> <U ONLY> <U ONLY> -16-...

  • Page 17: Schematic Diagram - 1 (U : Main 1 / 2 / Hp Jack)

    SCHEMATIC DIAGRAM - 1 (U : MAIN 1 / 2 / HP JACK) – 17 –...

  • Page 18: Schematic Diagram - 2 (U : Main 2 / 2)

    SCHEMATIC DIAGRAM - 2 (U : MAIN 2 / 2) – 18 –...

  • Page 19: Wiring - 2 (Ez : Main / Vm)

    WIRING - 2 (EZ: MAIN/VM) <1/2> -19-...
  • Page 20 WIRING - 2 (EZ: MAIN/VM) <2/2> <EZ ONLY> <EZ ONLY> -20-...

  • Page 21: Schematic Diagram - 3 (Ez : Main 1 / 2 / Hp Jack)

    SCHEMATIC DIAGRAM - 3 (EZ : MAIN 1 / 2 / HP JACK) – 21 –...

  • Page 22: Schematic Diagram - 4 (Ez : Main 2 / 2)

    SCHEMATIC DIAGRAM - 4 (EZ : MAIN 2 / 2) – 22 –...

  • Page 23: Wiring - 3 (Front/Hp Jack)

    WIRING - 3 (FRONT/HP JACK) -23-...

  • Page 24: Schematic Diagram - 5 (Front)

    SCHEMATIC DIAGRAM - 5 (FRONT) – 24 –...

  • Page 25: Wiring - 4 (Tape)

    WIRING - 4 (TAPE) <1/2> -25-...
  • Page 26 WIRING - 4 (TAPE) <2/2> -26-...

  • Page 27: Schematic Diagram - 6 (Tape / Deck / Relay)

    SCHEMATIC DIAGRAM - 6 (TAPE / DECK / RELAY) – 27 –...

  • Page 28: Schematic Diagram - 7 (Vm)

    SCHEMATIC DIAGRAM - 7 (VM) – 28 –...

  • Page 29: Wiring - 5 (U: Pt)

    WIRING - 5 (U: PT) -29-...

  • Page 30: Wiring - 6 (Ez: Pt)

    WIRING - 6 (EZ: PT) -30-...

  • Page 31: Schematic Diagram - 8 (Pt)

    SCHEMATIC DIAGRAM - 8 (PT) – 31 –...

  • Page 32: Wiring - 7 (U: Tuner)

    WIRING - 7 (U: TUNER) -32-...

  • Page 33: Schematic Diagram - 9 (U : Tuner)

    SCHEMATIC DIAGRAM - 9 (U : TUNER) – 33 –...

  • Page 34: Wiring - 8 (Ez: Tuner)

    WIRING - 8 (EZ: TUNER) -34-...

  • Page 35: Schematic Diagram - 10 (Ez : Tuner)

    SCHEMATIC DIAGRAM - 10 (EZ : TUNER) – 35 –...

  • Page 36: Wiring - 9 (Deck/Relay)

    WIRING - 9 (DECK/RELAY) -36-...

  • Page 37: Ic Block Diagram

    IC BLOCK DIAGRAM IC, LC72131D IC, BU1920FS IC, BA3880FS IC, BA7762AFS – 37 –...
  • Page 38 IC, BU4094BCF IC, MM1454XFBE IC, M62495FP IC, CXA1553P – 38 –...
  • Page 39 IC, LA1837NL – 39 –...

  • Page 40: Adjustment (Tuner / Deck / Main)

    ADJUSTMENT (TUNER / DECK / MAIN) TUNER C.B G TUNER C.B <EZ ONLY> CN701 (LCH) (GND) (RCH) TP3(DC) TP4(DC) TP2(CLK) IC771 L981 L771 L772 L941 L942 TC942 TP1(VT) FFE801 < TUNER SECTION > 6. AM IF Adjustment 1. Clock Frequency Check Settings : •...
  • Page 41 TUNER C.B G TUNER C.B <U ONLY> CN701 (LCH) (RCH) (RCH) (DC BALANCE) (DC BALANCE) L981 (CLK) IC771 L771 L772 (1/3) TP1 (VT) FFE801 < TUNER SECTION > 1. Clock Frequency Check 5. FM Tracking Check Settings : • Test point : TP2 (CLK) Settings : •...
  • Page 42 MAIN C.B IC101 L101 TAPE C.B SFR306 SFR305 SFR303 SFR304 IC302 TP9 (RCH) TP8 (LCH) SFR351 SFR352 SFR352 DECK C.B DECK R / P / E HEAD CNA1 SFR1 – 42 –...
  • Page 43 < DECK SECTION > 6. REC/PB Frequency Response Check 1. Tape Speed Adjustment Settings : • Test tape : TTA–615 Settings : • Test tape : TTA–100 • Test point : TP8 (Lch), TP9 (Rch) • Test point : TP8 (Lch), TP9 (Rch) •...

  • Page 44: Ic Description

    IC DESCRIPTION IC, LC876580W-5N98 Pin No. Pin Name Description I-STEREO (TU) Tuner stereo detection input. I-TUDO (TU) Connect to tuner PLL IC, LC72131D Pin 6 (DO). I-RDSDATA (TU) RDS data input. (EZ only) Serial data for MD unit control reception / transmission ready output. O-ARDY (MD) (Not used) O-STB (M)
  • Page 45 Pin No. Pin Name Description MD / TAPE Initial matrix input (L: MD / H: TAPE). Initial matrix input (H: RDS) (EZ only) / Connect to GND through a resistor. (U only). Initial matrix input (L: BBE). DOLBY Initial matrix input (L: DOLBY). AM10K Initial matrix input (H: 10K STEP / L: 9K STEP).

  • Page 46: Cd Test Mode

    CD TEST MODE 1. How to activate CD Test Mode 2. How to cancel CD Test Mode Insert the AC plug while pressing the “Enter” button. Either one of the following operations will cancel the FL display is fully illuminated and test mode will be CD test mode.
  • Page 47 FL (9-ST-19GONK) GRID ASSIGNMENT AND ANODE CONNECTION GRID ASSIGNMENT – 47 –...

  • Page 48: Fl (9-St-19Gonk) Grid Assignment / Anode Connection

    ANODE CONNECTION – 48 –...
  • Page 49 – 49 –...

  • Page 50: Mechanical Exploded View 1 / 1

    MECHANICAL EXPLODED VIEW 1 / 1 P.W.B P.W.B 2ZM-1 R10NM HT-SINK P.W.B HT-SINK PLATE,SHLD P.W.B P.W.B HT-SINK FL101 SH,CD COVER P.W.B SH,SHLD A P.W.B TN-CCD1001-902M CHAS,MAIN – 50 –...

  • Page 51: Mechanical Parts List 1 / 1

    MECHANICAL PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 8A-CJ5-016-010 KNOB,RTRY JOG 48 8A-CL5-005-010 CABI,REAR EZ<EZ> 2 8A-CJ5-217-010 PLATE,JOG 48 8A-CL5-030-010 CABI,REAR(B) U<U> 3 8A-CJ5-017-010 REFLECTOR,JOG 49 8Z-CL1-663-010 FAN,MF40D-12-200MM 4 8A-CL5-037-010 PANEL,FR CASS EZ<EZ>...

  • Page 52: Tape Mechanism Exploded View 1 / 1

    TAPE MECHANISM EXPLODED VIEW 1 / 1 P.C.B HLDR,IC CAPSTAN CAPSTAN HLDR,MOTOR P.C.B HLDR WIRE 3 – 52 –...

  • Page 53: Tape Mechanism Parts List 1 / 1

    TAPE MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 82-ZM1-327-310 CHAS ASSY,RM 31 82-ZM1-224-410 LVR,FR 2 82-ZM1-258-210 SPR-T,PINCH L 32 82-ZM1-227-310 LVR,TRIG 3 82-ZM1-341-210 LVR ASSY,PINCH L2 33 82-ZM1-305-210 SPR-E,TRIG 2 4 82-ZM1-266-310 LVR,DIR...

  • Page 54: Cd Mechanism Exploded View 1 / 1

    CD MECHANISM EXPLODED VIEW 1 / 1 DET SW 30 31 32 P.C.B DET SW DET SW FD GR(C) P.C.B – 54 –...

  • Page 55: Cd Mechanism Parts List 1 / 1

    CD MECHANISM PARTS LIST 1 / 1 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 1 S3-031-110-030 EARTH SPR 41 S3-031-010-500 FIX PL(L)Z 2 S3-031-110-180 L.P SPRING(L) 42 S3-031-050-310 FD SCREW(M) 3 S3-031-110-010 FRONT BRKT 43 S3-031-010-520 HUNG UP SPRING(A) 4 S3-031-113-010 LDG MOTOR ASSY...

  • Page 56: 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 Plastic head hammer unit and then remove the speaker units. 1 flat head screwdriver Cut chisel How to Remove the PANEL, FR Type.2...

  • Page 57: Speaker Parts List 1 / 1

    SPEAKER PARTS LIST <SX-MS7> REF. NO. PART NO. KANRI DESCRIPTION 1 8A-CJ5-422-010 GRILLE,FRAME ASSY Y<EZ> 1 8A-CL5-404-010 GRILLE,FRAME ASSY B<U> 2 8A-CJ5-409-010 FASTENER 3 8A-CJ5-405-010 PANEL,SP<EZ> 3 8A-CL5-408-010 PANEL,SP B<U> 4 8A-CJ5-417-010 SPKR, TW 25 5 8A-CJ5-411-010 SPKR, W 87S<EZ> 5 8A-CL5-406-010 SPKR, W 87SI<U>...
  • Page 58 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9301978 0251431 Printed in Singapore...

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