-\
t'>,
CONTENTS
1.0
Mechanical
Adjustments
1.1
Clutches
1.1.1 Take-up T\rrntable
1.1.2
Supply
T\rrntable
1.2 Brakes
1.3 Pressure Pad Adjustment
1.4
End
Stop
Mechanism
1.4.1 Tape Feeler Tension
1.4.2 Adjustment
of Tape Feeler
Alignment
2.1 Demagnetizing
2.2 Bias-
and
Erase Circuits
2.2.1 Oscillator Frequency
2.2.2
Erase
Voltage
2.2.3 Bias
Current
Tape Path
3.1 Visual
Check
3.2 Mechanical Adjustment of Tape
Path
Head Alignment
with
Tandberg Test Tapes
Model
6041X
4.1 Playback Head
4.1.1
Height
Adjustment
4.1.2
Azimuth
Adjustment
4.2
Record
Head
4.2.1 Height Adjustment by
Visual Inspection
4.2.2
Height
Adjustment
by
Track
Measurement
4.3 Bias Head
4.3.1 Vertical Adjustment
4.3.2
Height Adjustment
4.3.3
Horizontal Adjustment
4.4 Erase Head
4.4.1 Height Adjustment
4.4.2
Azimuth Adjustment
4.5 Model6021X
Head Alignment
Without
Tandberg Test Tapes,
Model
6041X
5.1
Playback
Head
5.1.1 Height Alignment
5.1.2 Azimuth Alignment
5.2
Record
Head
5.3 Bias Head
5.4 Erase Head
5.4.1 Height Adjustment
5.4.2 Azimuth Adjustment
5.5 Model
6021X
7.0
Adjustment
and Control of the Amplifiers
9
7.1.1 Playback Level
Adjustment
I
7.1.2
Adjustment
of Bias Current
9
7.1.3
Record Level
Adjustment
9
7.1.4
Record/Playback Curves
I
7.1.5
Indicator Adjustment
in Record Mode
9
7.1.6 Distortion
I
7.1.7
Indicator Adjustment
in Playback
and Amplifier Modes
9
7.1.8
Control of the Playback
Amplifier I
7.2
Tape Speed
Control 10
7.2.1
Using Frequency Meter
or Counter 10
7.2.2
Using Transformer
and Vacuum
Ttrbe
Voltmeter
7.2.3
Using Tape of Known
Length
8.0
Adjustment
of the Amplifiers, without
Tandberg
Test Tapes
8.1 Playback
and Record Level
Adjustment
8.2
Record/Playback Curves
8.3
Readjustment
of
Record Levels
and
Indicators
10
8.4 Distortion
10
8.5
Control
of Playback and Record Amplifiers
11
8.5.1 Playback Amplifier
11
8.5.2
Record Amplifier
11
8.6 Pick-up
Amplifier
Curve
11
8.7 Limiter
12
8.7.1
Adjustment of Limiting Threshold
72
8.7.2
Adjustment of Release Time
12
9.0 Modifications
9.1 Modification
from
230/115V
50 Hz
to 230/115V
60
Hz
operation
9.2
Modification
from Four-Track
to Two-Track
Venion
9.3 Important
Electrical Modifications
Introduced
in
Series 6000X
10.0 Lubrication
11.0 Illustrations
with
Reference
Part
Numbers
12.0
Spare Parts
List for Tandberg
Tape
Recorder 6000X
12.1
Mechanical Parts
12.2
Screws,
Washers, Nuts and Circlips
12.3
Electrical Components
12.3.1 Transistors
12.3.2 Diodes
12.3.3 Rectifier
1
2.3.4
Trimming
Capacitor
12.3.5 Poientiometers
12.3.6 Heads
12.3.7 Transfonners
13.0 Transistor
and Diode
Identification
14.0 Block
Diagram
Series
6000X
15.0
Printed Wiring Boards and
lViring Diagram
2.0
3.0
4.0
I
I
I
tt
I
10
10
10
10
10
t2
13
5.0
13
13
I4
1.7
77
2L
21
2L
22
22
9'
,t
22
22
23
23
24
6.0 Track
Control
6.1 Model
6041X
6.1.1 Record Head
6.1.2
Erase Head
6.1.3 Playback Head
6.2
Model
6021X
6.2.1 Erase Head
6.2.2
Record
Head
6.2.3 Playback tlead
^
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