Telequipment Oscilloscope D43 D43R & S43


Circuit Diagram, Service Manual, Service Information,  Schematic Diagrams and Manuals

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Maintenance Manual with
Circuits and
Operation Instructions
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Telequipment D43 D43R & S43 Oscilloscope

Manuals also available  for the following models :-
S22, D31, D31R, S31, S31R, D32, S32A, S32AR, D43,
D43R, S43, D51, S51, D52, S52, D54, D54R, D56, D61,
D61A, DM63, DM64, D65, D66, D67, D67A, D80, D83,
D1010, D1011, D1015, D1016 & Serviscope Minor.
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GENERAL DESCRIPTION

The S.43 and D.43 D43R are versatile oscilloscopes offering a wide range of facilities suitable for both general purpose and specialized application. This versatility is achieved by the use of separate plug-in amplifiers for the Vertical Deflection Circuits; a dual-range, general purpose amplifier (type A), a Differential Amplifier (type B) and an Ultra-High Gain Amplifier (type C) are available.

In addition, a special H. F. facility expands the useful triggering range up to 15 Mc/s. The sweep can be triggered from the Line or Frame pulses of a composite television waveform.

Simplicity of circuitry and the “unit” method of construction make an extremely reliable instrument which is easily maintained.

Both the S.43 and D.43 use identical plug-in amplifiers and time-base circuits, the only differences being the CRT circuit and the HT supplies. These are dealt with separately under the appropriate chapter headings.

SPECIFICATION

The Cathode Ray Tube

The 4” flat-faced CRT operates at 4 kV overall, giving an extremely bright, fine trace over the whole of the working area. A P31 phosphor is normally supplied, but longer persistence phosphors are available. A green filter is fitted to improve the contrast under conditions of high ambient light.

Telequipment D43.jpg (45346 bytes)

Telequipment D43 2.jpg (38865 bytes)

The Manual Contains the Following :-

GENERAL DESCRIPTION
1. General Description.
2. Specification
3. First Time Operation
4. Sweep Controls
5. Vertical Deflection Amplifier (Type A) controls
6. Additional Facilities

TIME BASE AND ASSOCIATED CIRCUITS
1. The Trigger Circuit 
2. The Time Base and Horizontal Deflection Amplifier
3. Time Base Controls 

THE VERTICAL DEFLECTION CIRCUITS
1. Vertical Deflection Amplifier Type A
2. Circuit Description
3. Vertical Deflection Amplifier Type B
4. Operation
5. Circuit Description
6. Attenuator Networks 
7. Power Supplies
8. Setting-Up Procedure 
9. Vertical Deflection Amplifier Type C
10. Circuit Description 
11. Operation

T
HE CATHODE RAY TUBE CIRCUIT (D.43)
1. General Description
2. Circuit Description 

THE CATHODE RAY TUBE CIRCUIT (S.43)
1. General Description
2. Circuit Description

POWER SUPPLIES (D.43)
1. General Description 
2. Circuit Description

POWER SUPPLIES (S43)
1. General Description 
2. Circuit Description 

MAINTENANCE, SERVICING AND SETTING-UP PROCEDURE
1. General
2. Dismantling for Servicing 
3. Replacement of Defective Valves 
4. Setting-Up Procedure
5. Vertical Amplifier Adjustment 
6. The Trigger Circuit
7. The Sweep Generator and ‘X’ Amplifier
8. Adjustments in the Power Supply Circuit
9. CRT Circuit Adjustments.

COMPONENTS LIST

AMPLIFIER TYPE ‘D’ (Envelope Monitor)

VERTICAL AMPLIFIER TYPE ‘G’.


LIST OF PLATES AND FIGURES

OSCILLOSCOPE TYPE D.43

TIME BASE UNIT

PRE-SET CONTROLS, AMPLIFIER TYPE ‘A’ ‘B’ ‘C’

TRIGGER CIRCUIT

TIME BASE & HORIZONTAL AMPLIFIER

TIME/CM SWITCH
 
VERTICAL AMPLIFIER TYPE ‘A’

INPUT ATTENUATOR
  
VERTICAL AMPLIFIER TYPE ‘B’ ‘B’ ‘C’ ‘D’ ‘G’

CRT CIRCUIT (D.43) (S.43)

POWER SUPPLY (D.43)

POWER SUPPLY (S .43)

Telequipment D43 3.jpg (41137 bytes)

Maintenance Manual with
Circuits and
Operation Instructions
Details Below
As a Download

Click Here


Telequipment D43 D43R & S43 Oscilloscope
Manuals are Available Worldwide as a Download.

 
The Manual contain 110 pages including Circuits Component lists and Layouts
 
Manual
110 A4 pages worldwide

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We do all we can to provide the very best that is available for you.
But in the unlikely event that any data should not be as you expected.
A refund is always available. Kind Regards Allen and Alanna.


Manuals are Available Worldwide as a Download

Thank you for your interest. Allen and Alanna G0RIT
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Revised: February 09, 2021