Aiwa XR-X77 Service Manual
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Aiwa XR-X77 Service Manual

Aiwa XR-X77 Service Manual

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XR-X77
K(S),EZ(S)
SERVICE MANUAL
CD STEREO SYSTEM
BASIC CD MECHANISM : DA11B3N
COMPACT
REMOTE
SYSTEM
SPEAKER
DISC
CONTROLLER
XR-X77
CX-SLX77
SX-SLX77
RC-CAS04
• This Service Manual is the "Revision Publishing" and replaces
"Simple Manual" XR-X77 <K, EZ> (S/M Code No. 09-026-361-0T2).
S/M Code No. 09-026-361-0R2

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  • Page 1 CD STEREO SYSTEM BASIC CD MECHANISM : DA11B3N COMPACT REMOTE SYSTEM SPEAKER DISC CONTROLLER XR-X77 CX-SLX77 SX-SLX77 RC-CAS04 • This Service Manual is the “Revision Publishing” and replaces “Simple Manual” XR-X77 <K, EZ> (S/M Code No. 09-026-361-0T2). S/M Code No. 09-026-361-0R2...

  • 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 (DA11B3N) ................5 ACCESSORIES PARTS LIST ..........................6 ELECTRICAL PARTS LIST ..........................7-23 TRANSISTOR ILLUSTRATION .......................... 24 BLOCK DIAGRAM .............................. 25 SCHEMATIC DIAGRAM -1/5 (MAIN) -1/2 ......................

  • Page 3: Specifications

    SPECIFICATIONS -1/1 • Des ign and s pecific ations ar e subj ect to chang e without notic e...

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

    PROTECTION OF EYES FROM LASER BEAM DURING SERVICING -1/1...

  • Page 5: Precaution To Repalce Optical Block (Da11B3N)

    PRECAUTION TO REPALCE OPTICAL BLOCK -1/1 (DA11B3N) (SF-P101NR) Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground 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

    ACCESSORIES PARTS LIST -1/1 = ! 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 7: Electrical Parts List

    ELECTRICAL PARTS LIST -1/17 (CX-SLX77) -1/12 = ! 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 8 ELECTRICAL PARTS LIST -2/17 (CX-SLX77) -2/12 = ! 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 9 ELECTRICAL PARTS LIST -3/17 (CX-SLX77) -3/12 = ! 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 10 ELECTRICAL PARTS LIST -4/17 (CX-SLX77) -4/12 = ! 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 11 ELECTRICAL PARTS LIST -5/17 (CX-SLX77) -5/12 = ! 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 12 ELECTRICAL PARTS LIST -6/17 (CX-SLX77) -6/12 = ! 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 13 ELECTRICAL PARTS LIST -7/17 (CX-SLX77) -7/12 = ! 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 14 ELECTRICAL PARTS LIST -8/17 (CX-SLX77) -8/12 = ! 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 15 ELECTRICAL PARTS LIST -9/17 (CX-SLX77) -9/12 = ! 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 16 ELECTRICAL PARTS LIST -10/17 (CX-SLX77) -10/12 = ! 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 17 ELECTRICAL PARTS LIST -11/17 (CX-SLX77) -11/12 = ! 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 18 ELECTRICAL PARTS LIST -12/17 (CX-SLX77) -12/12 = ! 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 19 ELECTRICAL PARTS LIST -13/17 (CZA-3 EZFFCM) -1/4 = ! 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 20 ELECTRICAL PARTS LIST -14/17 (CZA-3 EZFFCM) -2/4 = ! 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 21 ELECTRICAL PARTS LIST -15/17 (CZA-3 EZFFCM) -3/4 = ! 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 22 ELECTRICAL PARTS LIST -16/17 (CZA-3 EZFFCM) -4/4 = ! 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 23 ELECTRICAL PARTS LIST -17/17 • 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. -23-...

  • Page 24: Transistor Illustration

    TRANSISTOR ILLUSTRATION -1/1 -24-...

  • Page 25: Block Diagram

    BLOCK DIAGRAM -1/1 -25-...

  • Page 26: Schematic Diagram -1/5 (Main) -1/2

    SCHEMATIC DIAGRAM -1/5 (MAIN) -1/2 -26-...

  • Page 27: Schematic Diagram -2/5 (Main) -2/2

    SCHEMATIC DIAGRAM -2/5 (MAIN) -2/2 -27-...

  • Page 28: Wiring -1/6 (Main)

    WIRING -1/6 (MAIN) -28-...

  • Page 29: Wiring -2/6 (Hp/Jack)

    WIRING -2/6 (HP/JACK) -29-...

  • Page 30: Schematic Diagram -3/5 (Front/Key/Motor)

    SCHEMATIC DIAGRAM -3/5 (FRONT/KEY/MOTOR) -30-...

  • Page 31: Wiring -3/6 (Front)

    WIRING -3/6 (FRONT) -31-...

  • Page 32: Wiring -4/6 (Key/Motor)

    WIRING -4/6 (KEY/MOTOR) -32-...

  • Page 33: Schematic Diagram -4/5 (Tuner)

    SCHEMATIC DIAGRAM -4/5 (TUNER) -33-...

  • Page 34: Wiring -5/6 (Tuner)

    WIRING -5/6 (TUNER) -34-...

  • Page 35: Schematic Diagram -5/5 (Pt)

    SCHEMATIC DIAGRAM -5/5 (PT) -35-...

  • Page 36: Wiring -6/6 (Pt)

    WIRING -6/6 (PT) -36-...

  • Page 37: Fl (Hna-10 Sm19)

    FL (HNA-10 SM19) -1/1 -37-...

  • Page 38: Electrical Adjustment

    ELECTRICAL ADJUSTMENT -1/6 TUNER ADJUSTMENT 1. Clock Check Requirements Measuring equipment: Frequency counter Test point: TP1 (CLOCK), GND 1) Adjust the reception frequency of the main unit to 1710KHz. 2) Check that the test point frequency is 2160 0.045KHz. 2. VT Adjustment (LW) Requirement Measuring equipment: Digital multi-meter Test point: TP4 (R962), GND...
  • Page 39 ELECTRICAL ADJUSTMENT -2/6 5. DC Balance Check Requirement 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 40 ELECTRICAL ADJUSTMENT -3/6 8. Tracking Adjustment (LW) Requirement 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 41 ELECTRICAL ADJUSTMENT -4/6 CLOCK ADJUSTMENT 1. CLOCK ADJUSTMENT Requirements Test point: CLOCK, GND Adjustment point: L101 1) While pressing and holding down the POWER button and the TUNER button, insert the AC plug to outlet. 2) Adjust L401 so that the oscilloscope indicates the frequency within 92.26 0.097Hz.
  • Page 42 ELECTRICAL ADJUSTMENT -5/6 CD ADJUSTMENT 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 1.FOCUS BAIS ADJUSTMENT Connect Digital multi-meter to the test point FE and VC.
  • Page 43 ELECTRICAL ADJUSTMENT -6/6 3.JITTER CHECK 1) While oscilloscope is kept connected in the same test point as in step2. RF WAVEFORM CHECK, connect the output terminal of an oscilloscope to the input terminal of the jitter meter. 2) Set the VOLT range selector of oscilloscope to 500mV range or below.

  • Page 44: Cd Test Mode

    CD TEST MODE -1/1 1. How to Start the CD Test Mode While pressing the CD OPEN/PAUSE button, insert the AC plug to the power outlet. When the test mode is started, the message [CD 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 45: Ic Block Diagram

    IC BLOCK DIAGRAM -1/2 IC,LA1845N-A IC,BA5813FM -45-...
  • Page 46 IC BLOCK DIAGRAM -2/2 IC,BD3882FV IC,LC72131D-N IC,BU1920FS VREF RCLK QUAL RDATA -46-...

  • Page 47: Ic Description

    IC DESCRIPTION -1/3 (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 48 IC DESCRIPTION -1/3 (LA9241ML) -2/2 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.
  • Page 49 IC DESCRIPTION -2/3 (LC78622ED) -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 50 IC DESCRIPTION -2/3 (LC78622ED) -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.
  • Page 51 IC DESCRIPTION -3/3 (LC876748A-5Z76) -1/2 Pin No. Pin Name Description O-CD CLK CD IC control clock output. O-CD DATA CD IC control data output. I-CD WRQ Stanby for CD sub-code Q in put. I-CD DRF Detect CD RF level input. I-CD SUBQ CD IC data input.
  • Page 52 IC DESCRIPTION -3/3 (LC876748A-5Z76) -2/2 Pin No. Pin Name Description I-ECO OFF Initial ECO ON/OFF. No use. VDD4 Power supply input (5V). 73-80 No use. TU-OUT TEST MODE FREQENCY OUT. 82-84 No use. O-PLL DATA PLL IC control data output. O-PLL CLK PLL IC control clock output.

  • Page 53: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW -1/1 -53-...

  • Page 54: Mechanical Parts List

    MECHANICAL PARTS LIST -1/2 = ! 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 55 MECHANICAL PARTS LIST -2/2 = ! 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 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: Speaker Disassembly Instructions

    SPEAKER DISASSEMBLY INSTRUCTIONS -1/1 TOOLS 2. I nsert t he CUT CHISEL tip into the gap bet ween front cabinet (1) Plastic head hammer and rear cabi net. (2) Cut chisel Tap the head of CUT CHISEL with the PLASTIS HEAD HAMMER to remove the front cabinet.

  • Page 58: Speaker Parts List

    SPEAKER PARTS LIST -1/1 = ! 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: Others Parts List (Cx-Slx77)

    OTHERS PARTS LIST -1/2 (CX-SX77) -1/1 = ! 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 60: Others Parts List (Sx-Slx77)

    OTHERS PARTS LIST -2/2 (SX-SLX77) -1/1 = ! 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 61 2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111 0251431...

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