Yamaha DSP-AX761 Manuals

Manuals and User Guides for Yamaha DSP-AX761. We have 1 Yamaha DSP-AX761 manual available for free PDF download: Service Manual

Yamaha DSP-AX761 Service Manual (137 pages)

AV RECEIVER/AV AMPLIFIER

Brand: Yamaha | Category: Receiver | Size: 21.53 MB

Important Notice
1
Contents
1
Service Manual
1
To Service Personnel
2
About Lead Free Solder
2
Front Panels
3
Rear Panels
5
Remote Control Panels
9
Specifications
10
Scene Template
11
Sound/Surround Select Menu
11
Set Menu Table
12
Internal View
13
Top View
13
Front View
13
Disassembly Procedures
14
Removal of Top Cover
14
Removal of Front Panel Unit
14
Removal of Sub Chassis Unit
14
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.s
16
Removal of Tuner (U, C, R, T, K, A, G, E, L Models)
16
Removal of MAIN and P.C.b.s
16
When Checking the P.C.B.
17
Updating Firmware
18
Required Tools
18
Preparation and Precautions before Starting the Operation
18
Writing to the Microprocessor
18
When the “Timeout” Error Is Displayed
20
Initializing of the Main Unit
22
Writing to DSP
23
Self Diagnosis Function (Diag)
26
Starting DIAG
28
Starting DIAG in the Protection Cancel Mode
28
Canceling DIAG
29
Display Provided When DIAG Started
29
When There Is no History of Protection Function
29
Display During Menu Operation
31
History of Protection Function
31
Operation Procedure of DIAG Menu and Sub-Menu
32
DIAG Menu Selection
32
Sub-Menu Selection
32
Initial Settings Used to Start DIAG
32
Details of DIAG Menu
33
Bypass
33
Analog Bypass
33
Dsp Bypass
33
Ram through
34
Ram Margin
34
Ram Full Bit
34
Hdmi Audio
35
Speaker Set
35
Input: DVD Analog
36
Xch-Input
37
6 Ch INPUT 6-Ohm
37
8 Ch INPUT 6-Ohm
37
6 Ch INPUT 8-Ohm
37
MIC Check
38
Fl/Osd Check
38
Lim / Pldet / Thm
38
Checking FL Display Section
39
Check of the Video Control Section. (Monitor Out)
39
Manual Test
40
Factory Preset
40
A/D Data Check
41
Ps1/Ps2
41
DC/Th
41
Imp/Pl
41
Video Check
43
I2C (Inter Integrated Circuit) Read/Write Check
43
Digital Component
43
Digital CVBS (Video)
43
Digital Y/C (S-Video)
44
Test Pattern
44
XM STATUS (U, C Models)
45
Video Information
45
Dock
46
Usb Check
46
Dab Check
46
Hdmi Information
47
Hdmi Select
47
IF STATUS (Input Function Status)
48
Dsp Bus Check
48
Protection Setting
49
Protection History
50
Soft Switch
51
Rom Ver. / Sum / Port
52
Update
52
Amp Adjustment
53
Confirmation of Idling Current of Amp Unit
53
Display Data
54
Pin Connection
54
Grid Assignment
54
Anode Connection
55
IC Data
56
Digital Audio Interface Transceiver
56
Single Chip 16/32-Bit Microprocessor
62
8Ch Electronic Volume with 11 Input Selector and Tone Control
66
FL Display Driver
69
Block Diagrams
71
Audio (Digital) Section Block Diagram
71
Audio (Analog) Section Block Diagram
72
Video Section Block Diagram
73
Hdmi Section Block Diagram
74
Control/Power Supply Section Block Diagram
75
Printed Circuit Boards
76
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 Diagrams
89
Ics
89
Diodes
91
Transistors
91
Schematic Diagrams
93
Replacement Parts List
102
Electrical Component Parts
102
Abbreviations
102
P.C.b. Dsp
103
Overall Ass’y
125
FRONT PANEL and SUB CHASSIS UNIT
127
Amp Unit
128
Remote Control
129
Key Layout
130
Key Code
130
Advanced Setup
133
Using the Advanced Setup
133
Resetting the System
134
Parts List for Carbon Resistors
135
Scene Control
136
Example of Connection
136

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Yamaha DSP-AX761 Service Manual (137 pages)

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