Studer A700 Manuals

Manuals and User Guides for Studer A700. We have 1 Studer A700 manual available for free PDF download: Service Manual

Studer A700 Service Manual (209 pages)

REVOX

Brand: Studer | Category: Tape Deck | Size: 10 MB

Contents
4
Technical Specifications
8
Dismantling
10
Required Tools
10
Removal of Top Cover
10
Removal of Front Panel
10
Removal of Base Cover
11
Removal of Audio-Mixer Section
11
Removal of Mains Transformer
12
Removal of Head Assembly
13
Removal of Tape Tension Control Circuits
13
Removal of Left-Hand Tape Tension Sensor Assembly
14
Removal of Right-Hand Tape Tension Sensor Assembly
14
Removal of Capstan Motor
14
Removal of Brake Assembly
15
Removal of Spooling Motors
15
Removal of Tape Lift Solenoid
16
Removal of Pinch Roller Mechanism
16
Removal of Tape Timer
16
Removal of Power Transistors
17
Removal of Capstan Motor Speed Control
17
Removal of Tape Transport Control
17
Re-Assembly
18
Removal of Components from Audio-Mixer Section
18
Removal of VU-Meter Amplifier
18
Removal of Headphone Amplifier
19
Removal of Input Transformer Board
19
Removal of VU-Meter
19
Removal of Tone Control Board
20
Removal of Input Amplifier
20
Instructions for Re-Installation of the Input Amplifier
20
Re-Installation of Tone Control Board
20
Replacement of a Linear Motion Finder or a Phone Socket
21
Transport Mechanism
22
Sound Head Mounting
22
Brakes
22
Braking Torque
22
Brake Adjustment
23
Pinch-Roller
24
Measuring Pinch-Roller Pressure
24
Re-Adjustment of Pinch-Roller Mechanism
25
Replacement of Pinch-Roller and Tape Tension Sensing Rollers
25
Tape Lift Solenoid
26
Adjustment of Tape Lift Solenoid
26
Removal of Capstan Shaft and Thrust Bearing
26
Spooling Motors, Replacement of Bearing
27
Lubrication
27
End-Of-Tape Switch
27
Electrical Adjustments
28
General
28
Test Equipment
28
Demagnetization
28
Tape Transport Adjustments
29
Preparations
29
Adjustment of Capstan Motor Speed
29
Adjustment of Tape Tension Sensors
29
Function-Check on Spooling Motor Control Circuits
30
Adjustment of Photo-Sensitive End-Of-Tape Switch
31
Audio-Mixer Adjustments
32
Gain of Input Amplifiers
32
VU-Meter Calibration
32
Sensitivity of Peak Level Indicators
33
Testing the MONO
33
Testing the MONO-STEREO Switching of the Mode Selector
34
Frequency Response of Input Channels
35
Playback Adjustments
36
Playback Head Azimuth
36
Playback Level from Calibration Tape
36
Playback Head Azimuth, Fine Adjustment
37
Playback Frequency Response
38
Checking Oscillator Frequency and RF-Voltage
38
Oscillator Frequency
39
Record Head Azimuth
39
Bias Adjustment
40
Record Level
41
Record Equalization
42
Record Head Azimuth, Fine Adjustment
42
Frequency Response Overall
43
Measurement of Various Performance Data
44
Distortion Via Tape
44
Weighted Noise Measurement Via Tape
45
Erase Efficiency
46
Crosstalk-MONO
46
Crosstalk-STEREO
48
Output Level Measurements
49
Additional Measurements on the Audio Mixer
49
Performance of Phono Amplifier
49
Performance of Tone Controls
50
Input and Output Signal Levels
52
Wow and Flutter
52
Electronics
72
Tape Transport Electronics
72
Mains Transformer
72
Power Supply
72
Tape Transport Control
73
Tape Motion Sensor
74
Tape Tension Sensor
74
Capstan Speed Control
75
Audio Mixing Section
76
Input Tansformers
77
Input Amplifiers
77
Tone Control
78
Headphone Amplifier
78
Interconnect Board
79
Sound Head Electronics
79
Basis Board
80
Oscillator
80
Record Amplifier
81
Reproduce Amplifier
82
Headblock Assembly
82
Diagrams
83
Mains Transformer Assembly
84
Specifications
89
Sensor Board, Right
98
Sensor Board, Left
99
Wiring Lists
184
Groups
184
Elements, Points
185
Location Pin List
185
Signal Wire List
186
Type of Connecting Joints
187

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Studer A700 Service Manual (209 pages)

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