Yamaha DSP-AX459 Manuals

Manuals and User Guides for Yamaha DSP-AX459. We have 1 Yamaha DSP-AX459 manual available for free PDF download: Service Manual

Yamaha DSP-AX459 Service Manual

Yamaha DSP-AX459 Service Manual (99 pages)

AV RECEIVER/AV AMPLIFIER

Brand: Yamaha | Category: Receiver | Size: 15.12 MB

Table of Contents

Table of Contents
1
Important Notice
1
Service Manual
1
To Service Personnel
2
About Lead Free Solder
2
Front Panels
3
Rear Panels
5
Remote Control Panels
10
- Specifications
  11
- Dimensions
  11
Internal View
13
- Removal of Top Cover
  14
- Removal of Front Panel Unit
  14
Disassembly Procedures
14
- Removal of OPERATION P.C.B.
  15
- Removal of FUNCTION P.C.B.
  15
- Removal of DSP P.C.B.
  15
- Self Diagnosis Function (Diag)
  16
- Starting DIAG
  17
- Starting DIAG in the Protection Cancel Mode
  17
- Canceling DIAG
  17
- Display Provided When DIAG Started
  18
- When There Is no History of Protection Function
  18
- When There Is a History of Protection Function
  18
- History of Protection Function
  19
- Display During Menu Operation
  19
- Operation Procedure of DIAG Menu and SUB-MENU
  19
- DIAG Menu Selection
  19
- Functions in DIAG Mode
  20
- Initial Settings Used to Start DIAG
  20
- Bypass
  21
- Analog Bypass
  21
- Dsp Bypass
  21
- Details of DIAG Menu
  21
- Ram through
  22
- Ram Margin
  22
- Ram Full Bit
  22
- Pro Logic
  23
- Reference Data
  23
- Speakers Set
  23
- XCH INPUT_8 (Ohms)
  25
- MIC Check
  25
- XCH INPUT_6 (Ohms)
  25
- Xch Input
  25
- Display Check
  26
- Manual Test
  27
- Factory Preset
  27
- Ad Data Check
  28
- Preset Stations
  28
- PS1/PS2 (Power Supply Voltage Protection Detection)
  28
- DC/TH (Protection Detection/Temperature Detection)
  28
- IMP SW/POWER LIMIT (Impedance/Power Limiter Detection)
  29
- Panel Key (K0/K1)
  29
- Video
  30
- XM Status
  30
- IF STATUS (Input Function Status)
  32
- DST: DSP Status
  32
Display Data
32
- DMD: Decoder Mode Information
  33
- DIF: dir Information
  33
- PC: Preamble C Information
  33
- CS1, 2: Channel Status Information
  33
- Dsp Bus Check
  34
- Swfr Cut off
  34
- Protection Setting
  34
- Protection History
  34
- Soft Sw
  35
- Software Version
  37
- Ti (Dsp) Boot
  37
- Amp Adjustment
  38
- Confirmation of Idling Current of MAIN P. C. B
  38
- Anode Connection
  39
- Grid Assignment
  39
- Pin Connection
  39
- Display Data
  39
- IC Data
  41
- Ics
  51
Pin Connection Diagram
51
Audio Block Diagram
53
Block Diagrams
53
- Video Block Diagram
  54
- Control/Power Block Diagram
  55
- Printed Circuit Boards
  56
- Dsp P.C.b.
  57
- Function P.C.b.
  58
- Operation P.C.b.
  62
- Yst P.C.b.
  68
Schematic Diagrams
69
- Electrical Component Parts
  76
- Abbreviations
  76
Replacement Parts List
76
- P.C.b. Dsp
  77
- P.C.b. Dsp & P.C.b. Function
  80
- P.C.b. Function
  81
- P.C.b. Function & P.C.b. Operation
  83
- P.C.b. Operation
  84
- P.C.b. Operation & P.C.b. Main
  86
- P.C.b. Main
  87
- P.C.b. Main & P.C.b. Yst
  90
- Chip Resistors
  90
- Overall Ass’y
  91
- Front Panel Unit
  93
- Amp Unit
  94
- Remote Control
  95
- Schematic Diagram
  95
- Panels
  95
- Key Layout
  95
- Key Code
  96
Remote Control
96
- Advanced Setup
  97
- Speaker Impedance
  97
- Factory Presets
  97
- Remote Control AMP ID
  97
Replacement Parts List for Carbon Resistors
98

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