Telequipment Oscilloscope S22
Circuit Diagram, Service
Information, Schematic Diagrams and Manuals
For Repairing, Restoration and
Servicing of Vintage and Modern Electronic Equipment
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|Telequipment S22 Oscilloscope
also available for the following models :-
S22, D31, D31R, S31, S31R, D32,
S32A, S32AR, D43,
D43R, S43, D51, S51,
D52, S52, D54, D54R,
D61A, DM63, DM64, D65, D66,
D67, D67A, D80, D83,
D1010, D1011, D1015, D1016 & Serviscope Minor.
The S22 is a single trace portable ‘scope’ operating either from internal batteries or an external
a.c. supply. It incorporates a built-in battery charger and is intended for general servicing and field use.
CATHODE RAY TUBE (CRT)
Rectangular flat faced C.R.T.
Display Area 10 x 6 divisions (each division = 0.6 cm).
Overall accelerating potential 1 .2 kV approximately (varies with battery voltage).
Calibrated Ranges (Xl) 10 mV/div - 5 V/div )
(X10) 1 mV/div- 500 mV/div )
9 Ranges in 1-2-5 sequence.
Accuracy ± 5%.
Input impedance 1 M ohm in parallel with 45 pF approximately.
Max. Input Voltage ±250 V peak.
Sweep Rates X1 300 ms/div- lps/div ±5% )
X10 30 ms/div - 100 ns/div ±10% )
12 ranges in 1-3-10 sequence.
Level Fully variable over 6 divisions on all waveforms.
Auto Bright line in absence of trigger signal and automatic triggering on symmetrical waveforms over 1 div. with restricted level control.
TV Triggering on TV field pulses for sweep ranges 0.3 sec/div to 0.1 ms/div and TV line pulses for 30
ps/div to 1 ps/div.
Source Internal or external. Both positive or negative for ac and TV.
2 MHz -5 MHz 1 div.
40Hz . 5 MHz 500 mV approximately.
CAL OUTPUT SOCKET
Output Voltage 500 mV ±1%.
Output Impedance 1 k ohm approximately
Wave Shape Vertical edge at about screen centre - positive with respect to earth.
Internal rechargeable battery
Voltage 6 x 1.25 V (D CELLS)
Battery life 4 hours approximately with continuous use.
Built in charger allows the
batteries to be charged in 14 hours with the instrument switched off or trickle charges the batteries if the instrument is switched on.
200 - 224V
Frequency 50-400 Hz
Consumption 14 VA
Height 77 mm
Width 200 mm
Depth 263 mm
WEIGHT 4.3 kg
TEMPERATURE RANGE (AMBIENT)
Operational 0 to 35 C
Storage -10 C to 4O C
ACCESSORIES AVAILABLE AS EXTRAS
Carrying Case (attache style)
Carrying Case (shoulder strap)
External battery adaptor
Probe type TP1 (Xl attenuator)
Probe type TP2 (Xl0 attenuator)
Approx. 1.4 metres cable
Approx. 2.0 metres cable
Approx. 30 metres cable
Probe type TP5 (Xl - Xl0 attenuator)
Paper CD or Download
The Manual Contains the
Accessories available as extras
Cal output socket
Cathode Ray Tube (CRT)
Temperature range (Ambient)
Vertical amplifier Bandwidth
Vertical deflection Weight
Additional Facilities - Use of
Correction Formula for fast risetime waveforms
Instantaneous Voltage measurement with reference to a DC Voltage
Instantaneous Voltage measurement with reference to ground
Peak to Peak Voltage measurement
Rise Time Measurements
Time Duration measurement
Use as a Monitor or Display
Voltage Measurement between two points on a waveform
First Time Operation
Setting the Controls
Input and Output Sockets
Operation from an External DC Supply
Operation of Controls
Pre Operational Check
Cathode Ray Tube
Converter Power Supply
Timebase, Unblanking and Bright Line Auto Circuit
Y Amplifier and Attenuator
MAINTENANCE AND RE-CALIBRATION
Astigmatism and Geometry
Battery Charge Rate and Initial Setting
H F Pulse Response
Supply Line Voltages
Sweep Stability and Length
Xl - Xl0 Balance
Tools and Equipment Mechanical
Access to Interior
Opening out Side and Lower Flaps
Table of Circuit References
Calibrator and Vertical Amplifier
Battery Charger and Power Supply
Sweep Generator, Unblanking and X Amp.
Paper CD or Download
| Telequipment S22 Oscilloscope
Manuals are Available Worldwide as a
Download on CD or Paper Copy.
Manual contain 38 pages including Circuits
Component lists and Layouts
38 A4 pages worldwide
Printed Paper Copy or on CD are Plus Postage.
( For all Payment Options plus UK and Overseas Postage )
( Please Click the Payment Links Below )
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.