Yamaha AS2000BL Manuals

Yamaha AS2000BL Manuals

Manuals and User Guides for Yamaha AS2000BL. We have 1 Yamaha AS2000BL manual available for free PDF download: Service Manual

Yamaha AS2000BL Service Manual

Yamaha AS2000BL Service Manual (91 pages)

Service Manual

Brand: Yamaha | Category: Amplifier | Size: 15.06 MB

Table of Contents

Table of Contents
1
Important Notice
1
To Service Personnel
2
- Warning: Chemical Content Notice
  2
- About Lead Free Solder
  2
Front Panel
2
Rear Panels
3
Remote Control Panels
6
Dimensions
7
Specifications
7
- Top View
  8
- Front View
  8
- Rear View
  8
Internal View
8
- Safety Measures
  9
- Removal of Panel Side L/R
  9
Service Precautions
9
Disassembly Procedures
9
- When Installing the Knob TC Unit
  10
- When Installing the Knob VOL Unit
  10
- When Installing the Knob SEL Unit
  10
- Removal of Front Frame Ass’y
  11
- When Checking the P.C.B.
  12
- Removal of Amplifier Unit
  13
- When Installing the Power Unit
  14
- Removal of FUNCITON P.C.B.
  16
- Removal of Speaker Terminal L/R
  17
- Removal of BALANCE P.C.B.
  17
- Bottom View
  17
- Idling Adjustment
  19
Amp Adjustment
19
Updating Firmware
21
Self-Diagnostic Function
26
IC Data
31
- Ic504: Lc709004A (Front P.C.b.)
  34
- Serial Parameter Extension
  34
- 8-Channel Analog Multiplexer/Demultiplexer
  34
- Ics
  35
- Diodes
  35
Pin Connection Diagrams
35
Transistors
36
Block Diagram
37
Balance P.C.b.
38
Printed Circuit Boards
38
- Function P.C.b.
  40
- Main P.C.B.
  50
- Front P.C.B.
  52
Schematic Diagrams
59
- Electrical Component Parts
  67
- Abbreviations
  67
Replacement Parts List
67
- P.C.b. Balance
  68
- P.C.b. Function
  69
- Overall Ass’y
  84
- Schematic Diagram
  88
Remote Control
88
- Key Layout
  89
- Key Code
  89
- RAS21 (U, C, R, T, A, B, G, L Models)
  89
- RAS22 (K, J Models)
  89

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