Benutzerhandbuch für Yamaha AS2000BL

Inhaltsverzeichnis

• CONTENTS

  1
• TO SERVICE PERSONNEL

  2
• FRONT PANEL

  2
• REAR PANELS

  3
  • U, C models

    3
  • R model

    3
  • T model

    3
  • K model

    4
  • A model

    4
  • B model

    4
  • G model

    5
  • L model

    5
  • J model

    5
• REMOTE CONTROL PANELS

  6
• SPECIFICATIONS

  7
• INTERNAL VIEW

  8
• SERVICE PRECAUTIONS

  9
• DISASSEMBLY PROCEDURES

  9
  • 1. Removal of Panel Side L/ R

    9
  • 2. Removal of Top Cover

    9
  • 3. Removal of Front Panel

    9
  • When installing the knob VOL unit:

    10
  • When installing the knob SEL unit:

    10
  • When installing the knob TC unit

    10
  • 4. Removal of Front Frame Ass’y

    11
  • When checking the P.C.B.:

    12
  • 5. Removal of Amplifier Unit

    13
  • 6. Removal of Power Unit

    13
  • When installing the power unit:

    14
  • When checking the P.C.B.:

    15
  • 7. Removal of FUNCITON (2) P.C.B.

    16
  • 8. Removal of BALANCE P.C.B.

    17
  • 9. Removal of Speaker Terminal L/R

    17
  • 10. Removal of FUNCTION (1) P.C.B. and FRONT (10) P.C.B.

    18
• AMP ADJUSTMENT

  19
  • Idling Adjustment

    19
  • Headphone DC Offset Adjustment

    20
• UPDATING FIRMWARE

  21
  • Required tools

    21
  • Preparation and precautions before starting the operation

    21
  • Operation Procedures

    22
  • Confirmation of Firmware Version

    26
  • Indication of Firmware Version

    26
  • Factory Reset

    27
• SELF-DIAGNOSTIC FUNCTION

  28
  • Protection Information Display

    28
  • Details of Protection Information

    29
  • Starting in the Protection Cancel mode

    29
  • Version Information

    30
  • Factory Reset

    30
• IC DATA

  31
  • IC502: M38039xxxxx

    31
  • IC504: LC709004A

    34
  • IC501: TC74HC4051AFEL

    34
• PIN CONNECTION DIAGRAMS

  35
  • ICs

    35
  • Diodes

    35
  • Transistors

    36
• BLOCK DIAGRAM

  37
• PRINTED CIRCUIT BOARDS

  38
  • BALANCE

    38
    • (Side A)

      38
    • (Side B)

      39
  • FUNCTION

    40
    • Side A

      40
      • (1)

        40
      • (2)

        42
      • (3)

        44
    • Side B

      41
      • (1)

        41
      • (2)

        43
      • (3)

        45
  • MAIN

    46
    • Side A

      46
      • (1)

        46
      • (2)

        48
      • (3)

        50
      • (5)

        48
    • Side B

      47
      • (1)

        47
      • (2)

        49
      • (3)

        51
      • (5)

        49
  • FRONT

    52
    • Side A

      52
      • (1)

        52
      • (2)

        52
      • (3)

        52
      • (4)

        54
      • (5)

        54
      • (6)

        54
      • (7)

        54
      • (8)

        54
      • (9)

        52
      • (10)

        56
      • (11)

        54
      • (12)

        58
      • (13)

        58
      • (14)

        58
    • Side B

      53
      • (1)

        53
      • (2)

        53
      • (3)

        53
      • (4)

        55
      • (5)

        55
      • (6)

        55
      • (7)

        55
      • (8)

        55
      • (9)

        53
      • (10)

        57
      • (11)

        55
      • (12)

        58
      • (13)

        58
      • (14)

        58
• SCHEMATIC DIAGRAMS

  59
  • BALANCE

    59
  • FUNCTION

    60
    • 1/3

      60
    • 2/3

      61
    • 3/3

      62
  • MAIN

    63
  • FRONT

    64
    • 1/3

      64
    • 2/3

      65
    • 3/3

      66
• REPLACEMENT PARTS LIST

  67
  • ELECTRICAL COMPONENT PARTS

    67
    • BALANCE

      68
    • FUNCTION

      69
    • MAIN

      73
    • FRONT

      78
    • Carbon Resistors

      83
  • OVERALL ASS’Y

    84
  • AMP L UNIT

    86
  • AMP R UNIT

    86
  • REAR UNIT

    87
• REMOTE CONTROL

  88