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Aiwa XR-EM30 Service Manual

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SERVICE MANUAL
CD STEREO SYSTEM
SYSTEM
XR-EM30
XR-EM31
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
XR-EM30 <U(S), EZ(S), K(S)> (S/MCode 09-023-454-8T1).
XR-EM30
XR-EM31
BASIC TAPE MECHANISM : CMAL5Z213B
BASIC CD MECHANISM : KSM-213 RDM
CD CASSEIVER
CX-SLEM30
CX-SLEM31
S/M Code No. 09-023-454-8R2
SPEAKER
CONTROLLER
SX-SLEM30
RC-CAS07
EZ(S),K(S)
EZ(S)
REMOTE

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Summary of Contents for Aiwa XR-EM30

  • Page 1 BASIC CD MECHANISM : KSM-213 RDM REMOTE SYSTEM CD CASSEIVER SPEAKER CONTROLLER XR-EM30 CX-SLEM30 SX-SLEM30 RC-CAS07 XR-EM31 CX-SLEM31 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” XR-EM30 <U(S), EZ(S), K(S)> (S/MCode 09-023-454-8T1). S/M Code No. 09-023-454-8R2...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS -1/1 SPECIFICATIONS ..............................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING............... 4 PRECAUTION TO REPALCE OPTICAL BLOCK (KSM-213 RDM) ..............5 ACCESSORIES PARTS LIST ..........................6 ELECTRICAL PARTS LIST ..........................7-21 TRANSISTOR ILLUSTRATION .......................... 22 SCHEMATIC DIAGRAM-1/5 (MAIN) ........................23 WIRING -1/5 (MAIN) ............................

  • Page 3: Specifications

    SPECIFICATIONS -1/1 • Design and specifications are subject to change without notice...

  • Page 4: Protection Of Eyes From Laser Beam During Servicing

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING -1/1 This set employs laser. Therefore, be sure to follow carefully the CAUTION 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 5: Precaution To Repalce Optical Block (Ksm-213 Rdm)

    PRECAUTION TO REPALCE OPTICAL BLOCK -1/1 (KSM-213 RDM) Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground Solder body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in the right figure.

  • Page 6: Accessories Parts List

    Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC X AS1001 87-A92-346-010 ANT,WIRE FM EZ/K L=1500...

  • Page 7: Electrical Parts List

    Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC 0 C 0471 87-010-404-080 CAP,E 4.7-50M SSL F=5MM, 0 C 0501 87-010-263-040 ELECT.
  • Page 8 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC 0 C 0882 87-A10-039-080 C-CAP 470P 50V J C0G CER.
  • Page 9 Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC X R 0708 88-108-393-080 C-RES U 39K 1/16W...
  • Page 10 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC FRONT...
  • Page 11 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC FRONT...
  • Page 12 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC MAIN...
  • Page 13 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC MAIN...
  • Page 14 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC MAIN...
  • Page 15 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC MAIN...
  • Page 16 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC MAIN...
  • Page 17 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC MAIN...
  • Page 18 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC TUNER O C 0847 87-012-286-080 C-CAP,U 0.01-25 K B GRM...
  • Page 19 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC TUNER O C 0999 87-012-286-080 C-CAP,U 0.01-25 K B GRM...
  • Page 20 Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers. Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC TUNER...
  • Page 21 ELECTRICAL PARTS LIST -15/15 • Regarding connectors, they are not stocked as they are not the initial order items. The connectors are available after they are supplied from connector manufacturers upon the order is received. -21-...

  • Page 22: Transistor Illustration

    TRANSISTOR ILLUSTRATION -1/1 E C B B C E 2SA1981Y 2SB1342 2SC5477 2SA1296G 2SA1296 2SB1370E 2SA1979 2SC5343G 2SD1933 2SA1980G 2SD1306NE07TL 2SC2620B 2SK2158 2SK360E DTA124EUA 2SC2712GR DTC114EK 2SC2714O RT1P141C 2SC3052 SRA2207S 2SC5343SF/S(G) -22-...

  • Page 23: Schematic Diagram-1/5 (Main)

    SCHEMATIC DIAGRAM -1/5 (MAIN) TO TUNER C.B CN991 EM31 MODEL MAIN C.B PHONES C121 JW17 FB035600 SPEAKER Q211~214 POER AMP SPEAKERS Q201~210 Q219~226 Q215,216 IMP:6Ω JW96 PRE AMP DC DET FB035600 WOOFER MUTE MUTE MUTE SW IC601 FUNCTION Q106 Q304~308 HOLD REC/PLAY SWITCH...

  • Page 24: Wiring -1/5 (Main)

    WIRING -1/5 (MAIN) MAIN C.B TO TUNER C.B CN 991 NOTE : PRXXX RXXX RXXX J601 LXXX FBXXX CXXX CXXX WOOFER CXXX CXXX LXXX J241 SPEAKER XXXX SPEAKERS E C B QXXX IMP:6Ω QXXX E C B RXXX DXXX JW96 QXXX DXXX JK231...

  • Page 25: Schematic Diagram -2/5 (Front)

    SCHEMATIC DIAGRAM -2/5 (FRONT) FRONT C.B EM31 MODEL S351 VOLUME U-CON DECK C.B TAPE MECHANISM CMAL5Z213B Q104,109,314 Q301~303 5V REG MOTOR DRIVER (FF301) SIGNAL NOTE: TAPE SPEED RXXX -25-...

  • Page 26: Schematic Diagram -3/5 (Cd)

    SCHEMATIC DIAGRAM -3/5 (CD) CD C.B C823 220P DISPLAY LD CIRCUT SUPPLY MOTOR DRIVER SW801 IC581 (OPEN/CLOSE SW) SERVO DRIVER C814 TP1(D-GND) CD-GND CD6V CN803 (FF501) NOTE: TO MAIN C.B RXXX CNA01 SIGNAL: CD MECHANISM KSM-213 RDM -26-...

  • Page 27: Wiring -2/5 (Front/Cd)

    WIRING -2/5 (FRONT/CD) NOTE : RXXX QXXX RXXX DXXX FRONT C.B FL301 JWXXX DISPLAY DXXX CXXX QXXX CXXX EM31 MODEL E C B QXXX CXXX DXXX SW801 CD C.B (CD DOOR SW) EM30 MODEL IC301 (Vref) (RF) IC501 (FF501) (TE) (FE) (FF301) S301...

  • Page 28: Schematic Diagram -4/5 (Tuner)

    SCHEMATIC DIAGRAM -4/5 (TUNER) L905 FM MIXER FM TRACKING ADJ FM RF AMP DC BALANCE TUNER C.B BAND Q835 MW IF ADJ IF AMP J832 FM 75Ω (COAXIAL) D896 J940 MW/LW LOOP MW VT BAND Q981 TUNER SW IC801 DETECTOR Q982,983 TUNER VCC AMP SWITCH...

  • Page 29: Wiring -3/5 (Tuner)

    WIRING -3/5 (TUNER) TUNER C.B D896 J832 FM 75Ω (COAXIAL) TP1(CLOCK) TP2 (DC BALANCE) (GND) (VT) J940 MW/LW LOOP (RCH) (LCH) TO MAIN C.B CN702 -29-...

  • Page 30: Schematic Diagram -5/5 (Pt)

    SCHEMATIC DIAGRAM -5/5 (PT) PT C.B T3.15A 250V T3.15A 250V AC230V, 50Hz -30-...

  • Page 31: Wiring -4/5 (Pt)

    WIRING -4/5 (PT) PT C.B W101 AC230V, 50Hz FC104 FC103 FC105 FC106 -31-...

  • Page 32: Wiring -5/5 (Deck)

    WIRING -5/5 (DECK) DECK C.B DECK R / P HEAD CNA351 TO MAIN C.B CN351 -32-...

  • Page 33: Voltage Chart

    VOLTAGE CHART -1/3 COMMON PARTS Unit : V TRANSISTOR FRONT/CD C.B MAIN C.B Q310 2SC2712 Q106 2SC2712 0.67 0.09 0.01 Q104 2SC2712 Q105 2SA1979 -26.8 -33.5 -25.2 0.58 11.27 0.01 Q109 2SC2712 Q263 2SA1162 0.74 0.91 0.26 0.59 0.58 Q306 RTIP141E Q262 2SC2712 -0.75 0.09...
  • Page 34 VOLTAGE CHART -2/3 Unit : V FRONT/CD C.B (Pin) IC301 LC876748 A 4.37 0.02 5.26 1.15 4.82 0.23 1.34 5.03 (Pin) 12 2.45 5.14 2.43 5.19 5.19 3.39 5.15 (Pin) 23 5.15 1.99 0.06 4.98 (Pin) 34 -22.7 -22.5 -22.4 -22.3 -22.4 -22.4...
  • Page 35 VOLTAGE CHART -3/3 Unit : V (Pin) IC851 LC78622NE 0.05 0.03 1.64 1.85 4.87 0.09 (Pin) 2.37 4.87 0.03 1.15 0.06 4.79 (Pin) 0.06 0.06 2.34 4.74 0.06 0.06 4.75 (Pin) 0.05 0.05 0.05 2.41 0.05 4.72 (Pin) 1.91 1.92 4.72 1.98 2.05...

  • Page 36: Fl (Hna-08Ss39Ts)

    FL (HNA-08SS36T) -1/1 GRID ASSIGNMENT ANODE CONNECTION -36-...

  • Page 37: Electrical Adjustment

    ELECTRICAL ADJUSTMENT -1/8 FRONT PWB PART SIDE PATTERN SIDE IC301 L301 1. Clock Adjustment Requirements Test point: TP1(IC301 85pin), GND Adjustment point: L301 1) While pressing and holding down the POWER button and the TUNER / BAND button, insert the AC plug to outlet.
  • Page 38 ELECTRICAL ADJUSTMENT -2/8 DECK ADJUSTMENT MAIN PWB PART SIDE HEAD C651 C652 DECK MECHANISM L451 MOTOR J231 1. Tape Speed Adjustment Requirements Measuring equipments : wow-flutter meter (frequency counter ) Test Tape: TTA-100 (3KHz) Test point: C651(Lch),C652(Rch),GND Adjustment point : Tape speed adjustment point (motor) WOW&FLUTTER METER 1) Connect Test point to the Wow - flutter meter.
  • Page 39 ELECTRICAL ADJUSTMENT -3/8 3. Head Azimuth Adjustment Requirements Measuring equipment: Oscilloscope Test Tape: TTA-330 (8KHz) OSCILLOSCOPE Test point: C651(Lch),C652(Rch),GND Adjustment point: Head azimuth screw OUTPUT 1) Connect the Test point to the oscilloscope of CH1 and CH2. 2) Set the V mode of the oscilloscope to ADD. 3) Insert the test tape (TTA-330) , play back the center of the tape and adjustment the head azimuth screw until the waveform of the oscilloscope has reached the maximum when playing back at 10KHz.
  • Page 40 ELECTRICAL ADJUSTMENT -4/8 TUNER ADJUSTMENT PATTERN SIDE PART SIDE 2 3 4 CN991 L952 6 7 8 9 L953 (LCH) 11 PIN (RCH) IC991 7 8 9 L941 L942 TC942 TP1( CLOCK L905 R962 L902 R815 L904 IC801 IC801 L802 L901 L907 1.
  • Page 41 ELECTRICAL ADJUSTMENT -5/8 5. Dc Balance Check Requirement DIGITAL MULTIMETER Measuring equipment: Digital multi-meter Test point: TP2, 3 1) Adjust the reception frequency of the main unit to 98.0MHz. 2) Check that the test point voltage difference between TP4 and TP5 is 0mV±500mV.
  • Page 42 ELECTRICAL ADJUSTMENT -6/8 8. Tracking Adjustment (LW) Requirement AC MILLIVOLTMETER Measuring equipment: Millivoltmeter Test point: TP8(Lch), TP9(Rch), GND Adjustment point: L941, TC942 1) Adjust the S.S.G. setting to 144KHz of 30% variation and reduce the output level all the way (till a certain degree of is monitored through the oscilloscope).
  • Page 43 ELECTRICAL ADJUSTMENT -7/8 CD CHECK PATTERN SIDE CD PWB PART SIDE Vref Vref SFR501 Perform the adjustments after the main unit enters the test mode. Place the CD mechanism on level ground. Equipment and tools required Measuring equipment Digital multi-meter Jitter meter (KIKUSUI 6235) Test disc: TCD-782 ATD-001...
  • Page 44 ELECTRICAL ADJUSTMENT -8/8 3. Jitter Check OSCILLOSCOPE 1) While oscilloscope is kept connected in the same test point as in step2. RF WAVEFORM CHECK, connect the output terminal of JITTER METER an oscillo scope to the input terminal of the jitter meter. OUTPUT INPUT 2) Set the VOLT range selector of oscilloscope to 500mV range or...

  • Page 45: Cd Test Mode

    CD TEST MODE -1/1 1. How to Start the CD Test Mode While pressing the CD OPEN/CLOSE button, insert the AC plug to the power outlet. When the test mode is started, the message [TEST] is displayed. 2. How to Exit the CD Test Mode Press the POWER button, push other FUNCTION button or disconnect the AC plug.

  • Page 46: Ic Block Diagram

    IC BLOCK DIAGRAM -1/2 IC,LA1845N-A IC,BD3881FV -46-...
  • Page 47 IC BLOCK DIAGRAM -2/2 IC,BA5949FP LEVEL LEVEL SHIFT SHIFT 13.3k 13.3k T.S.D 13.3k 13.3k LEVEL LEVEL SHIFT SHIFT IC,LC72131D-N IC,BI1920FS VREF RCLK QUAL RESET RDATA -47-...

  • Page 48: Ic Description)

    IC DESCRIPTION-1/3 (LC876748A-5Z32)-1/2 Pin No. Pin Name I/O/C/P Description O-COCK CD control Q code clock signal output. O-RWC CD control command LAT signal output. O-CDIN CD control command data signal output. I-WRQ CD control SCOR signal input. I-DRF CD control focus ok input. I-SQOUT CD control Q code input.
  • Page 49 IC DESCRIPTION-1/3 (LC876748A-5Z32)-2/2 Pin No. Pin Name I/O/C/P Description I-RDS Not use.  VDD4 Digital power supply pin.  D-VDD Not use.  EZK-VDD Not use. IN-ECO Not use.  76-84 Not use. KSCAN Initial scan I/P. O-MUTE Mute signal output. O-BIAS Bias ON/OFF output.
  • Page 50 IC DESCRIPTION-2/3 (LC78622NE)-1/2 Pin No. Pin Name Description DEFI Defect sense signal (DEF) input pin. (Connect to 0V when not used) Test signal input pin with built-in pull-down resistor. Be sure to connect to 0V. Phase comparator output pin to control external VCO. VVSS –...
  • Page 51 IC DESCRIPTION-2/3 (LC78622NE)-2/2 Pin No. Pin Name Description XVDD – Crystal oscillator power supply pin. XOUT Pin to which external 16.9344 MHz crystal oscillator is connected. XVSS – Crystal oscillator GND pin. Be sure to connect to 0V. SBSY Subcode block sync signal output pin. (Not connected) EFLG C1, C2, single and dual correction monitoring pin.
  • Page 52 IC DESCRIPTION-3/3 (LA9241ML)-1/2 Pin No. Pin Name Description Pin to which external pickup photo diode is connected. RF signal is created by adding with the FIN2 FIN1 pin signal. FE signal is created by subtracting from the FIN1 pin signal. FIN1 Pin to which external pickup photo diode is connected.
  • Page 53 IC DESCRIPTION-3/3 (LA9241ML)-2/2 Pin No. Pin Name Description Pin from which TES signal is output to DSP. ÒHigh Frequency LevelÓ is used to judge whether the main beam position is on top of bit or on top of mirror. SLOF Sled servo off control input pin.

  • Page 54: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW -1/1 -54-...

  • Page 55: Mechanical Parts List

    Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC 0 MC1001 8C-CL6-008-010 WINDOW,CASS,SAN,94HB,CHIM...

  • Page 56: Color Name Table

    COLOR NAME TABLE -1/1 Basic color symbol Color Basic color symbol Color Basic color symbol Color Black Cream Orange Green Gray Blue Transparent Blue Gold Pink Silver Titan Silver Brown Violet White Transparent White Yellow Transparent Yellow Metallic Blue Light Blue Transparent Green Dark Blue Transparent Orange...

  • Page 57: Tape Mechanism Exploded View (Cmal5Z213B)

    TAPE MECHANISM EXPLODED VIEW -1/1 (CMAL5Z213B) -57-...

  • Page 58: Tape Mechanism Parts List (Cmal5Z213B)

    MECHANISM PARTS LIST -1/1 (CMAL5Z213B) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.

  • Page 59: Speaker Disassembly Instructions

    SPEAKER DISASSEMBLY INSTRUCTIONS -1/1 Type.4 Type.1 TOOLS Insert a flat-bladed screwdriver into the position indicated by the Plastic head hammer arrows and remove the panel. Remove the screws of each speaker unit (-) flat head screwdriver andthen remove the speaker units. Cut chisel How to Remove the PANEL, FR Type.2...

  • Page 60: Speaker Parts List

    UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL SX-SLEM30 YJMN O SP1001 88-NSK-610-010 SPKR, CERAMIC ASSY X SP1002 8B-CPX-016-010 BADGE,AIWA 27.5 O SP1003 8C-CP5-007-010 CORD,SPKR O O SP1004 8C-CP5-008-010 CORD,BUSH O O SP1005 8C-CP6-001-010 GRILLE,FRAME ASSY X SP1006 8C-CP6-002-010 NET, O SP1007...

  • Page 61: Others Parts List (Cx-Slem30)

    Components marked X and R are not designated as spare parts for after sales service, and will not be stocked at the spare parts centers. UNIT-NAME ! C REF-NO PARTS-NO PARTS-NAME SUFFIX&MODEL XR-EM30 XR-EM30 XR-EM31 EZSC EZSC 87-A90-230-010 "Nylon Tie 4"""...

  • Page 62: Others Parts List (Sx-Slem30)

    OTHERS PARTS LIST -1/1 (SX-SLEM30) = ! SAFTY PARTS = Components marked All components used on this model at the production line are shown in this service manual. However, please note that not all components will be available as spare parts for after-sales service. Components marked S and O are designated as spare parts for service and will be stocked at the spare parts centers.
  • Page 63 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 0251431...

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