Revox B780 Manuals

Manuals and User Guides for Revox B780. We have 3 Revox B780 manuals available for free PDF download: Service Manual

Revox B780 Service Manual

Revox B780 Service Manual (108 pages)

Brand: Revox | Category: Stereo Receiver | Size: 8.07 MB

Table of Contents

Contents
3
Adjustment Instructions
4
General
5
Index to the Operating Controls
5
Tuner Section
5
Amplifier/Preamplifier Section
6
Connector Panel
7
Socket Layouts
9
Disassembly
11
Removing the Top Cover Plate
11
Removing the Bottom Cover Plate
11
Removing the Side Covers
12
Removing the Heat Sink Incl. Power Stage PCB
12
Removing the Rear Cover
13
Removing the Terminal Board Cover
13
Removing the Operating Panel
13
Removing the Front Panel
14
Replacing the Illumination Lamp of Signal Strength Meter
14
Replacing the Signal Strength Meter
14
Replacing the Power Switch
15
Replacing the Power Line Fuse
15
Replacing the Power Supply Fuse
15
Description of Functions
16
Balance-To-Unbalance Transformer
16
RF Input Section
16
FM Demodulator
17
Stereo Decoder
17
IF Amplifier
18
Frequency Synthesizer and Local Oscillator
19
Logic Section
22
Microcomputer PCB
22
Audio Section
26
Meter Circuit and De-Emphasis
26
Audio Connection Unit
26
Preamplifier
27
Tone Control PCB
28
Power Amplifier
28
Thermal Protection
29
Speaker Protection
29
Dolby Processor PCB
30
Power Supply
30
Required Measuring Instruments
31
Checking the Supply Voltages
33
Brief Test for Correct Functioning
33
Preparatory Steps for Adjustments
34
Calibrating the Synthesizer Quartz Reference
34
Calibrating the Local Oscillator and Synthesizer
35
Tuning the RF Circuits
37
Adjusting the if Filter, if Amplifier and the Display Discriminator
38
Adjusting the Stereo Decoder
41
Adjusting the AF Level of the Tuner Signal
42
Amplifier Adjustments
43
Adjusting the Closed-Circuit Current for both Power Stages
43
Function Diagram
45
Power Supply Unit
46
Station Selection Keyboard
49
Push Button Board
50
Input Selection Keyboard
51
RF Front End PCB
61
IF Amplifier PCB
62
FM Demodulator PCB
65
Technical Data
101
Dimensions
106

Advertisement

Revox B780 Service Manual

Revox B780 Service Manual (107 pages)

Brand: Revox | Category: Stereo Receiver | Size: 8.07 MB

Revox B780 Service Manual

Revox B780 Service Manual (107 pages)

Brand: Revox | Category: Receiver | Size: 8.07 MB

Advertisement

Advertisement

Related Products

Revox Categories

Speakers Amplifier Tape Deck Tuner Turntable

More Revox Manuals