Yamaha DSP-AX761

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RX-V661/HTR-6060/DSP-AX761

RX-V661/HTR-6060/

DSP-AX761

DSP-AX761 (B model)

DSP-AX761 (J model)

Main Page

Important Notice1
Contents1
Service Manual1
To Service Personnel2
About Lead Free Solder2
Front Panels3
Rear Panels5
Remote Control Panels9
Specifications10
Scene Template11
Sound/Surround Select Menu11
Set Menu Table12
Internal View13
Top View13
Front View13
Disassembly Procedures14
Removal of Top Cover14
Removal of Front Panel Unit14
Removal of Sub Chassis Unit14
Removal of FUNCTION P.C.B.15
Removal of DSP P.C.B.15
Removal of HDMI P.C.B.16
Removal of VIDEO, FUNCTION and P.C.b.s16
Removal of Tuner (U, C, R, T, K, A, G, E, L Models)16
Removal of MAIN and P.C.b.s16
When Checking the P.C.B.17
Updating Firmware18
Required Tools18
Preparation and Precautions before Starting the Operation18
Writing to the Microprocessor18
When the “Timeout” Error Is Displayed20
Initializing of the Main Unit22
Writing to DSP23
Self Diagnosis Function (Diag)26
Starting DIAG28
Starting DIAG in the Protection Cancel Mode28
Canceling DIAG29
Display Provided When DIAG Started29
When There Is no History of Protection Function29
Display During Menu Operation31
History of Protection Function31
Operation Procedure of DIAG Menu and Sub-Menu32
DIAG Menu Selection32
Sub-Menu Selection32
Initial Settings Used to Start DIAG32
Details of DIAG Menu33
Bypass33
Analog Bypass33
Dsp Bypass33
Ram through34
Ram Margin34
Ram Full Bit34
Hdmi Audio35
Speaker Set35
Input: DVD Analog36
Xch-Input37
6 Ch INPUT 6-Ohm37
8 Ch INPUT 6-Ohm37
6 Ch INPUT 8-Ohm37
MIC Check38
Fl/Osd Check38
Lim / Pldet / Thm38
Checking FL Display Section39
Check of the Video Control Section. (Monitor Out)39
Manual Test40
Factory Preset40
A/D Data Check41
Ps1/Ps241
DC/Th41
Imp/Pl41
Video Check43
I2C (Inter Integrated Circuit) Read/Write Check43
Digital Component43
Digital CVBS (Video)43
Digital Y/C (S-Video)44
Test Pattern44
XM STATUS (U, C Models)45
Video Information45
Dock46
Usb Check46
Dab Check46
Hdmi Information47
Hdmi Select47
IF STATUS (Input Function Status)48
Dsp Bus Check48
Protection Setting49
Protection History50
Soft Switch51
Rom Ver. / Sum / Port52
Update52
Amp Adjustment53
Confirmation of Idling Current of Amp Unit53
Display Data54
Pin Connection54
Grid Assignment54
Anode Connection55
IC Data56
Digital Audio Interface Transceiver56
Single Chip 16/32-Bit Microprocessor62
8Ch Electronic Volume with 11 Input Selector and Tone Control66
FL Display Driver69
Block Diagrams71
Audio (Digital) Section Block Diagram71
Audio (Analog) Section Block Diagram72
Video Section Block Diagram73
Hdmi Section Block Diagram74
Control/Power Supply Section Block Diagram75
Printed Circuit Boards76
Dsp P.C.b.76
Function P.C.b.78
Operation P.C.b.82
Main P.C.b.85
Video P.C.b.87
Hdmi P.C.b.88
Pin Connection Diagrams89
Ics89
Diodes91
Transistors91
Schematic Diagrams93
Replacement Parts List102
Electrical Component Parts102
Abbreviations102
P.C.b. Dsp103
Overall Ass’y125
FRONT PANEL and SUB CHASSIS UNIT127
Amp Unit128
Remote Control129
Key Layout130
Key Code130
Advanced Setup133
Using the Advanced Setup133
Resetting the System134
Parts List for Carbon Resistors135
Scene Control136
Example of Connection136

Yamaha DSP-AX761 - Page 8

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