Aiwa XR-M77 Service Manual
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Aiwa XR-M77 Service Manual

Aiwa XR-M77 Service Manual

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XR-M77
U
SERVICE MANUAL
COMPACT DISC STEREO
BASIC CD MECHANISM : KSM-213CDM
SYSTEM
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-995-331-7T1).
S/M Code No. 09-995-331-7R1

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  • Page 1 XR-M77 SERVICE MANUAL COMPACT DISC STEREO BASIC CD MECHANISM : KSM-213CDM SYSTEM This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-995-331-7T1). S/M Code No. 09-995-331-7R1...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SPECIFICATIONS ..........................3 ACCESSORIES/PACKAGE LIST ......................3 PROTECTION OF EYES FROM LASER BEAM DURING SERVICING/ Precaution to replace Optical block......................4 ELECTRICAL MAIN PARTS LIST ....................... 5-7 TRANSISTOR ILLUSTRATION ......................8 BLOCK DIAGRAM-1 ......................... 9, 10 BLOCK DIAGRAM-2 ........................11, 12 WIRING-1 (MAIN: INSERTED PARTS) ..................

  • Page 3: Specifications

    SPECIFICATIONS • Design and specifications are subject to change without notice. • Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY” and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation. • The word “BBE” and the “BBE symbol” are trademarks of BBE Sound,Inc.

  • 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 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: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C552 87-010-213-080 C-CAP,S 0.015-50 B C553 87-015-688-080 CAP,E 4.7-35 7L 8Z-CL5-601-010 C-IC,LC876564-XXXX C554 87-015-688-080 CAP,E 4.7-35 7L 87-070-282-010 IC,BU2092 C555 87-015-692-080 CAP,E 0.22-50 7L 8Z-CL5-616-010 IC,RPM638CBRL676/6938-V4 C556...
  • Page 6 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C215 87-015-681-080 CAP,E 10-16 7L C448 87-010-315-080 C-CAP,S 27P-50 CH C216 87-015-694-080 CAP,E 0.47-50 7L C450 87-012-140-080 CAP 470P C217 87-010-196-080 CHIP CAPACITOR,0.1-25 C451 87-012-156-080 C-CAP,S 220P-50 CH C218 87-010-248-080 CAP, ELECT 220-10V...

  • Page 7: Transistor Illustration

    REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION • 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. CONTROL C.B C799 87-010-829-080...

  • Page 8: Block Diagram-1

    BLOCK DIAGRAM-1...

  • Page 9: Block Diagram-2

    BLOCK DIAGRAM-2...

  • Page 10: Wiring-1 (Main: Inserted Parts)

    WIRING-1 (MAIN: INSERTED PARTS) TO/FROM TO/FROM CD C.B CN405 PT C.B WH501 MAIN C. B TUNER ADAPTOR C. B TO/FROM TUNER C.B CN701 TO/FROM CD C.B CN804 TO/FROM PT C.B CN8801 J801 PHONES CN803 TO/FROM PT C.B WH803...

  • Page 11: Wiring-2 (Main: Chip Parts)

    WIRING-2 (MAIN: CHIP PARTS) MAIN C. B TUNER ADAPTOR C. B...

  • Page 12: Schematic Diagram-1 (Main)

    SCHEMATIC DIAGRAM-1 (MAIN) MAIN C.B 0.068 PHONES 4.7/35...

  • Page 13: Schematic Diagram-2 (Cd)

    SCHEMATIC DIAGRAM-2 (CD) CD C.B 100p 2SA933 SFR401 CURRENT LIMITER (LOADING) SWITCH SLED/ SPIN Q815-817 MOTOR (OPEN) –VF REG DRIVE Q809,810 2SC2712 (CLOSE) AC DETECT 2SC2712 2SA1162 +B SWITCH PROTECT 2SC2712 2SC2712 Q471 MOTOR LOAD PROTECT 2SC2712 DIGITAL 2SC2712 DRIVER DIGITAL OUT C.B...

  • Page 14: Wiring-3 (Cd: Inserted Parts)

    WIRING-3 (CD: INSERTED PARTS) CD C. B TO/FROM MAIN C.B WH405 (OPEN) (CLOSE) (LOADING) CN404 TO/FROM FRONT C.B CN205 CONTROL C. B...

  • Page 15: Wiring-4 (Cd: Chip Parts)

    WIRING-4 (CD: CHIP PARTS) CD C. B CONTROL C. B...

  • Page 16: Wiring-5 (Front)

    WIRING-5 (FRONT) FRONT C.B FRONT C.B (CONDUCTOR SIDE) (COMPONENT SIDE) TO/FROM CONTROL C.B WH203 TO/FROM CD C.B CN401 TO/FROM MAIN C.B CN201...

  • Page 17: Schematic Diagram-3 (Front)

    SCHEMATIC DIAGRAM-3 (FRONT) MONO_ SW FRONT C.B AND GATE D201,207 : IN4148 LED DRIVER DRIVER SW DECODER SISTEM 2.2/50 BUFFER 0.47/ LED DRIVER RECIVER TUNER DISPLAY DEMO POWER RESET VOL/MULTI JOG (CD LED) 220/10 CD OPEN JOG MODE ENTER PAUSE PLAY STOP CONTROL C.B...

  • Page 18: Wiring-6 (Tuner)

    WIRING-6 (TUNER) TO/FROM TUNER ADAPTOR C.B WH102...

  • Page 19: Schematic Diagram-4 (Tuner)

    SCHEMATIC DIAGRAM-4 (TUNER) BALANCE BAND SW IF AMP AM IF – ANTENNA – CN701 FM/AM IF/STEREO TUNER SYSTEM TUNER ON/OFF AM TRACKING ADJ. TUNER C.B SIGNAL...

  • Page 20: Wiring-7 (Pt: Inserted Parts)

    WIRING-7 (PT: INSERTED PARTS) PT C. B TO/FROM MAIN C. B J502 CN501 MD IN AUX IN LINE OUT TO/FROM MAIN C. B DIGITAL OUT C. B CN803 PT882 TO/FROM CD C. B CN404 LED902 DIGITAL PT881...

  • Page 21: Wiring-8 (Pt: Chip Parts)

    WIRING-8 (PT: CHIP PARTS) PT C. B DIGITAL OUT C. B Q904 Q903 R909 R908 C905 120V 60Hz...

  • Page 22: Schematic Diagram-5 (Pt)

    SCHEMATIC DIAGRAM-5 (PT) PT C.B LINE MUTE DRIVE MUTE MUTE DRIVE MUTE MUTE POWER OFF DISCHARGE 125MA 125V 120V 60Hz...

  • Page 23: Voltage Chart

    WIRING-9 (MECHA) VOLTAGE CHART MOTOR C.B...
  • Page 25 FL (13-ST-36GNAK) GRID ASSIGNMENT/ANODE CONNECTION...

  • Page 26: Electrical Adjustment

    ELECTRICAL ADJUSTMENT < CD SECTION > < TUNER SECTION > TUNER C.B FFE801 L772 L771 IC771 L981 R785 CN701 11 10...

  • Page 27: Practical Service Figure

    PRACTICAL SERVICE FIGURE < TUNER SECTION > 1. DC Balance/Mono Distortion Adjustment Settings: • Test point: TP3, TP4 <FM SECTION> • Adjustment location: L771 IHF Sensitiviy: 4dB±6dB • Input level: 54dB (THD 3%) (at 88.0/98.0MHz) Method: Set to FM 98.0MHz and adjust L771 so that 5dB±6dB (at 108MHz) the voltage between TP3 and TP4 becomes Signal to noise ratio:...

  • Page 28: Ic Description

    IC DESCRIPTION IC, LC876564 Pin No. Pin Name Description _______________ I-STEREO/DRF Connected to stereo detection and tuner CD ASP LA9241ML pin-54 DRF. Connected to tuner PLL IC LC72131 pin-6 DO and connected to CD DSP I-TUDO/I-SQOUT LC78622ED pin-55 SQOUT. Connected to RDS data input CD DSP LC78622ED pin-56 COIN and CD ASP I-RDSDATA/O-COIN LA9241ML pin-52 DAT.
  • Page 29 Pin No. Pin Name Description P14/AM WIDE FL tube anode output, and INT.DIODE MATRIX input. P13/FM WIDE FL tube anode output, and INT.DIODE MATRIX input. P12/LW FL tube anode output, and INT.DIODE MATRIX input. P11/SW FL tube anode output, and INT.DIODE MATRIX input. P10/OIRT FL tube anode output, and INT.DIODE MATRIX input.
  • Page 30 IC, LA9241ML Pin No. Pin Name Description Pin to which external pickup photo diode is connected. RF signal is created by adding FIN2 with the 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 31 Pin No. Pin Name Description Pin from which TES signal is output to DSP. “High Frequency Level” 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. 39, 40 CV–, CV+ CLV error signal input pin from DSP.
  • Page 32 IC, LC78622ED 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 33 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. EFLG C1, C2, single and dual correction monitoring pin.

  • Page 34: Ic Block Diagram

    IC BLOCK DIAGRAM IC, BU4094BCF IC, BA3880FS IC, BU2092...
  • Page 35 IC, LA4663 OUTPUT AMP INPUT AMP POWER-GND SHORTING PROTECT CIRCUIT LOAD SHORTING PROTECT CIRCUIT THERMAL PROTECTION CIRCUIT – PROTECTION CIRCUITS – INPUT AMP OUTPUT AMP IC, M62495FP IC, BA5936 Rog CURRENT DETECTOR TERMINAL...

  • Page 36: Mechanical Parts List 1/1

    PART NO. KANRI DESCRIPTION 1 8Z-CL5-009-010 WINDOW,FL SUH 46 SZ-CL5-540-000 CD BRACKET COVER 2 8Z-CL5-211-010 PANEL,CD 47 8Z-CL5-037-010 AIWA BADGE 3 8Z-CLF-006-010 CABI,FRONY UH 48 8Z-CL5-215-010 PLATE,MTG TX 4 8Z-CL5-014-010 BTN,SET POWER 49 SZ-CL5-63X-XX0 CD DOOR PLATE 5 8Z-CL5-016-010 BTN,POWER...

  • Page 37: Mechanical Exploded View 1/1

    MECHANICAL EXPLODED VIEW 1/1 P.C.B FIBRE PLATE HT,SINK JOG,SHEET MOTOR P.C.B P.C.B P.C.B P.C.B P.C.B CHAS,BOTTOM KSM213CDM SH,DFSR LED P.C.B...

  • Page 38: Cd Mechanism Exploded View 1/1

    CD MECHANISM EXPLODED VIEW 1/1 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 andthen remove the speaker units. 2 (-) flat head screwdriver 3 Cut chisel COVER...

  • Page 39: Speaker Parts List 1/1

    SPEAKER PARTS LIST 1/1 REF. NO PART NO. KANRI DESCRIPTION 1 8Z-CL5-543-010 CORD,SP 2 8Z-CL5-506-010 GRILLE,FRAME ASSY 3 8Z-CL5-503-010 PANEL,FR 4 8Z-CL5-505-010 PANEL,TW 5 8Z-CL5-542-010 SPKR,TW25 6 8Z-CL5-541-010 SPKR,W100...
  • Page 40 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 Printed in Singapore 737004...

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