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Yamaha Manuals
Amplifier
B-2
Yamaha B-2 Manuals
Manuals and User Guides for Yamaha B-2. We have
3
Yamaha B-2 manuals available for free PDF download: Service Manual, Owner's Manual
Yamaha B-2 Service Manual (43 pages)
Brand:
Yamaha
| Category:
Amplifier
| Size: 21.2 MB
Table of Contents
Schematic Diagram
1
Contents
3
Specifications
4
Components Location
5
Front Panel
5
Rear Panel
5
Top View
6
Bottom View
6
Circuit Descriptions
7
Cascade Bootstrap Circuit
7
Differential Circuit
7
Protective Circuit
8
Automatic Bias Circuit
8
Pure Complementary Symmetrical Push-Pull Driver Circuit
9
Speaker Protection Circuit
10
Input Circuit (Pin Jack Sheet)
10
Partial Disassembly
11
Removing the Top Cover
11
Removing the Bottom Cover
11
Removing the Power Supply Circuit Board
11
Removing the Drive Circuit Board
12
Removing the Power Supply Transformer
12
Removing the Electrolytic Capacitor Circuit Board
12
Removing the Pin Jack Circuit Board
12
Removing the LED Circuit Board
13
Removing the Power Switch
13
Removing the Peak Level Meter
13
Removing the Selector Switch Circuit Board
13
Measurement and Adjustment
14
Pre-Adjustment Procedures
14
Overall Adjustments
14
Adjusting the Power Supply Voltage
14
Adjustments of the Main Amplifier
15
Adjustments of the Meter Amplifier
15
Printed Circuit Board
16
Pin Jack Circuit Board NAO6756
16
Drive Circuit Board NAO6747
17
Volume Circuit Board NAO6754
19
Connector Circuit Board NAO6753
19
Power Fet Circuit Board NAO6752
19
Meter Amp Circuit Board NAO 6751
20
Power Supply Circuit Board NAO6749
22
Lamp Circuit Board NAO6751
24
Electrolytic Capacitor Circuit Board NAO6748
24
Fet and New Parts Symbols
25
Printed Special Characteristic
25
Block Diagram
26
Package
27
Parts List
28
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Yamaha B-2 Owner's Manual (23 pages)
Brand:
Yamaha
| Category:
Amplifier
| Size: 11.21 MB
Yamaha B-2 Owner's Manual (23 pages)
Brand:
Yamaha
| Category:
Amplifier
| Size: 1.4 MB
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