Studer A 67 Manuals

Studer A 67 Manuals

Manuals and User Guides for Studer A 67. We have 1 Studer A 67 manual available for free PDF download: Service Manual

Studer A 67 Service Manual

Studer A 67 Service Manual (99 pages)

Brand: Studer | Category: Tape Deck | Size: 22 MB

Table of Contents

Contents
2
Specifications
5
Dimensions
6
Operating Controls and Sockets at the Front
8
Condensed Operating Instructions
10
Before Connecting to the Mains
10
Mains Fuse Rating
10
Switch on
11
Tape Speed
11
Threading the Tape
11
Tape Transport Modes
11
Tape Counter
13
Remote Control Connection
13
Capstan Speed Control Connection
13
Dismantling
14
Removing the Case of the Recorder
14
Taking off the Back Panel
14
Removal of the Lower Rear Panel
14
Removal of the Connector Socket Units
15
Removal of the Front Panel
15
Removal of the Lower Front Panel
16
Removal of the Side Covers
16
Removing the Capstan Motor Speed Control
16
Removal of the Tape Transport Control
16
Removal of the Mains Transformer and the Power Supply
17
Removing the Tape Head Assembly
17
Removing the Tape Tension Sensor Prints
18
Removing the Left Hand Tape Tension Sensor
18
Removing the Right-Hand Tape Tension Sensor
18
Removing the Capstan Motor
18
Removing the Brake Assembly
19
Removal of the Spooling Motors
20
Removal of the Tape Raising Solenoid
20
Removal of the Pinch Roller Assembly
20
Removing the Tape Counter
20
Removing the Spooling Motor and Capstan Motor Controllers
21
Removing the Power Transistors
21
Reassembly
21
Mechanical Adjustments to the Tape Transport
22
Tape Head Assembly
22
Tape Guides
22
Tape Head Attachment
22
Brakes
23
Measuring the Braking Force
23
Adjusting the Brakes
23
Brake Adjustment
24
Pinch-Roller
25
Measurement of the Pinch Force
25
Readjustment of the Pinch-Roller Mechanism
25
Changing the Pinch-Roller and the Sensor Arm Roller
26
Tape Lift Solenoid
26
Adjustment to the Tape Lift Solenoid
26
Capstan Motor
26
Removal of the Capstan Shaft and Step Bearing
27
Replacing the Spooling Motor Bearings
27
Lubrication
28
End-Of-Tape Switch
28
Current Supply
29
Power Supply Unit 1.067.160
30
Circuit Description for the Stabilized +12V Supply
30
Push Button Bulbs
31
Solenoids
31
Tape Transport Controller
32
Tape Motion Sensor
32
Tape Tension Controller
33
Capstan Motion Control
34
Electrical Adjustments to the Tape Transport
35
Preliminaries
35
Adjustment to the Capstan Motor
35
Pre-Adjustment of the Tape Tension Sensors
36
Adjusting the Tape Tension
36
Checking the Spooling Motor Control
37
Checking the Photo-Transistor
37
Amplifier Adjustment
39
Designation of the Adjustment Controls
42
Measuring Instruments
44
Adjustments to CCIR
45
Playback Adjustments
45
Record Adjustments
48
Checking the Oscillator Frequency
48
Pre-Adjustments to the Record Amplifier
49
Frequency Response
53
Spooling Motor Control
64
Perproduce Amplifier
68
Record Amplifier
70
Stabilizer
72
Oscillator
74
Overload Detector 2CH
76
Remote Control
78
Replacement Parts List
79

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