Analogue Tutor TY1351 Instruction Manual
SCHLUMBERGER ols
MeSgeratebau u. Vertrieb G.m.b. H.
Serviceabtenung
8 Munchen 25, Johann-Clanze-Str. 90
yYelsion 746542
Analogue Tutor II
AS1403 Power Supply Unit
Issue : One
Mod. Ref. : 1351/6
Date : May, 1964
SOLARTRON ntsc noms
ANALOGUE TUTOR TY1351
The Solartron Electronic Group Ltd.
Victoria Road, Farnborough, Hants.
Telephone: Farnborough 3000, Telex: 8545 Solartron Fnbro. Cables: Solartron Farnborough.
A Member of the Schlumberger Group.
SOLARTRON
Printed in England
Section
1
Frontispiece
Figure
OMDB 2S
Appendix
A
CONTENTS
INTRODUCTION
1.1. Scope of Manual
1.2 General Description
1.3 Specification
1.4 Equipment Summary
CIRCUIT DESCRIPTION
2.1 Patch Panel
2.2 Potentiometer Assembly
2.3 Amplifier Circuitry
2.3.1 Summer/Integrators
2.3.2 Summers
Negative Reference Supply
Positive Reference Supply
Auxiliary Power Supplies
Control Circuit
AS1403 Power Supply
www dD
oO DoL
MAINTENANCE INFORMATION
3.1 Initial Checking Procedure
3.2 Test Procedure
LIST OF COMPONENTS
ILLUSTRATIONS
Analogue Tutor Mk. II
Component Location :
Component Location :
: Left Hand Side Panel
Component Location
Component Location :
Component Location :
Front Panel
Right Hand Side Panel
Valve Chassis (Top View)
Valve Chassis (Underside View)
Circuit Diagram (Sheet 1) : Analogue Tutor Mk. II
Circuit Diagram (Sheet 2) : Analogue Tutor Mk.II
Interconnecting Cable : Analogue Tutor Mk.II to Analogue Tutor Mk.II
Interconnecting Cable : Analogue Tutor Mk.II to AS1403 Power Supply Unit
APPENDICES
Technical Manual : Dual Operational
Amplifier Type AA1054. 2 and Amplifier Mounting Unit Type TX1055. 2
Technical Manual ; AS1403 Power Supply Unit
Page
BPWWWWWONNN ND Hee ep
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Section 1
INTRODUCTION
1.1 Scope of Manual
The maintenance manual comprises this preliminary volume supplemented by individual hand-
books describing standard Solartron units employed in the Analogue Tutor II equipment.
No direct reference is made to the operational use of Tutor, this aspect being covered ina
separate booklet.
1.2 General Description
The Tutor is a small six operational amplifier computer designed specifically for use by edu-
cational establishments during the teaching of analogue computer techniques.
It is housed in a cabinet suitable for bench mounting and is powered froma second bench
mounting cabinet incorporating the AS 1403 Power Supply Unit.
1.3 Specification
Computing Accuracy: 1%
Component Accuracy: 0.5%
Reference Supplies: +100 Volts
Reference Accuracy: 0.1% or better
Operating Tempera-
ture: 0°c - 45°C
Weights: TY 1351 - 49 lbs (22. 25kg)
AS 1403 - 57 lbs (26kg)
Dimensions TY 1351 - 19.5in. x1lin. x 16.75 in. overall
(49.5cem x 28cm x 42. 5cm)
AS 1403 - 19.5 in. x11 in. x 16 in. overall
(49.5cm x 28cm x 40.5cm)
1.4 Equipment Summary
The Tutor incorporates the following items:
(a) Six operational (Three Dual) Amplifiers Type AA 1054.2. Four amplifiers may be used
as either Summers or Integrators. The two remaining amplifiers are available for use
as Summers only.
Associated with each Summer/Integrator are:
(i) One 1Mo input resistor
(ii) One 100KQ input resistor
(iii) One 1M feedback resistor
(iv) One 0.1,F feedback capacitor
(v) One 0.01, F feedback capacitor
Associated with each Summer are:
(i) Two 1Mg input resistors
(ii) One 100K2 input resistor
(iii) One 1Mea feedback resistor
(b) Six free resistors - two 1M2 and four 100Ka
(c) Eight 10 - turn 30Ke helical potentiometers of better than 0.01% resolution, two being
earth-free.
(d) A 10 - turn master reference potentiometer with calibrated dial, 0.1% linearity.
(e) A centre zero nulling meter with three sensitivity ranges, +100V, +10V and +1V.
51/1 1
(f) A computer operation switch with the following operational control modes:
(i) Pot Set
(ii) Problem Check
(iii) Compute
(iv) Hold
(v) Repetitive Slow
(vi) Repetitive Fast
(vii) Slave
(g) A patch panel system with a removable problem board.
(h) An external meter jack to facilitate use and demonstration of a Digital Voltmeter for
setting-up purposes.
(j) Four free diodes for simulation of simple discontinuities.
(k) Twenty TRUNKS.
(1) Coaxial socket for oscilloscope triggering.
(m) Patch panel power link.
(n) Three patch panel bus bars.
Section 2
CIRCUIT DESCRIPTION
This Section should be read in conjunction with the circuit diagrams of the equipment provided
at the rear of the volume.
The Analogue Tutor II circuit maybe conveniently considered in two parts, shown in Figures
6and 7. The first part relates to the patch panel, computing component circuits, potentiometer
assembly and reference potentiometer, described in sub-sections 2.1, 2.2 and 2.3. Part two
indicates power and reference supplies andthe control circuitand is described in sub-sections 2.4 ,
2.5, 2.6 and 2.7.
2.1 Patch Panel
The patch panel is a 148 way removable unit with sockets identified by colour and, where
necessary, by legend. The individual sockets are located by a grid reference system in which
horizontal rows are lettered from A to Z and vertical columns are numbered from 1 to 14. The
letters I and O are omitted from the alphabetical references to avoid confusion with numerals.
A description and a full colour illustration of the patch panel are given in the applications
brochure of the Tutor.
2.2 Potentiometer Assembly
. The six earthed coefficient potentiometers RV1-RV6 are connected to the +100V reference
supply through the key switches SA - SC and may be set by a backing off procedure. The backing
off voltage is supplied fromthe reference potentiometer RV9 via switch SF1, the meter sensitivity
being altered by switch SE1 to enable a null reading to be obtained.
Reference volts and signal ground must be patched in to set up the free potentiometers RV7
and RV8.
Priority switching of the potentiometers is made from left to right, i.e. RVl and RV2 must
be set up while switches SB - SD are centrally positioned, RV3 and RV4 must be set up while switches
SC - SD centrally positioned, etc.
The external meter jack SKTG may be connected toa digital voltmeter for monitoring purposes.
2.3 Amplifier Circuitry
The six operational amplifiers are identified in the following manner:
Summer/Integrators Al Bl A3 B3
Summers A2 B2
51/1
2.3.1 Summer/Integrators
The four summer/integrators are identical and consequently only the circuit associated with
operational amplifier Al will be considered in detail.
The circuit comprises input, feedback and initial condition components, together with a 'Sum/
Integrate’ switch, and computer state relay contacts.
R4 and R65 are the input resistors, shunted by Cl and C2 respectively when switch SG is set
to the SUM position. The capacitors compensate for capacity within the amplifier between the
output and the summing junctions and are disconnected when switch SG is set to the INT position .
R10 and C5 form the feedback pair.
C6 and C7 are the integrator capacitors, a patch cord being used to link E3 and D3 when C6
is used in the repetitive fast mode. D3 and D4 are linked to use C7 in the repetitive slow mode.
R6 and R11 are the initial condition components.
Relay RLA is energised when the 'state' switch SL is set to position PS, pot.set. The input
resistors R4 and R5 are disconnected from the amplifier and taken to signal ground.
When the 'state' switch is set to position H (hold) relay RLC is energised, so holding the
computer.
The problem check condition, PC on the state switch, is achieved by energising relay RLD,
as described in Section 2.7.
2.3.2 Summers
The two summers are identical and only the circuit associated with operational amplifier A2
will be considered.
The circuit comprises input and feedback components, together with pot.set. relay contacts.
R14, R15 and R16 are the input resistors, shunted by C11, C12 and C13 respectively. The
components are connected to signal ground when relay RLA is operated in the computer pot.set
state. .
C17 and R26 form the feedback pairanda link must be inserted between Q1 and Q2 to complete
the feedback circuit. ;
The summing junction is connected to N3 on the patch panel, so allowing provision for extra
inputs.
2.4 Negative Reference Supply
The +300 volt and - 200 volt supplies are obtained from the AS 1403 Power Supply Unit. The
-100 volt reference supply is derived from the -200 volt supply V1A cathode is held referenced
by a stabiliser valve V2. The grid of V1A is fed froma shunt connected to the -100 volt output
line, i.e. the anode of V3. Any variation in the voltage on this line is amplified by V1A and applied
through R40 to the grid of VIB. V3 and V1B form a white amplifier, V3 grid being DC coupled to
V1B anode. DC potential is dropped down the chain of neon lamps ILP3 - ILP6. Output current
is supplied through V3 and stability ensured by C41.
2.5 Positive Reference Supply
The +100 volt supply is taken from the cathode of V5 and referenced from the -100 volt line
via R47, RV1l and R48. Any variation in the positive voltage is fed into the grid of V4A which is
DC coupled to V4B. The cathode follower then drives V5 through C35 to correct the change .
Additional gain is obtained from the small loop R52 driving VT1.
2.6 Auxiliary Power Supplies
Power for the heaters of valves V1, V3, V4, V5 and V6 is supplied fromthe secondary wind-
ings of transformer T1. .
Power for the operational amplifiers is obtained directly from the AS 1403 Power Supply Unit.
Patch board holes M14 and N14 must be linked together to enable relay RLE to operate and
connect -200V and +300V to the Tutor.
2.7 The control state of the Tutor is selected by switch SL. The states are listed below:
Position State
PS Pot Set
PC Problem Check
Cc Compute
H Hold
RS Repetitive Slow
H Hold
RF Repetitive Fast
Ss Slave
Relays RLA and RLB are the pot. set relays and are energised from the -200 volt supply.
The problem check state is one state of the multivibrator formed by V6A, V6B and their
associated components. It is achieved by holding on V6B via R67 to the +300 volt line and by hold-
ing off V6A via R59 to the -200 volt line, so energising relay RLD, ;
The compute state is the Opposite condition to the problem check State and is achieved by
holding off V6B via R66 to the - 200 volt line and holding on V6A via R60 to the +300 volt line.
Relay RLC is energised in the hold state. The computer may also be held by patching -100
volts into Q14 on the patch panel.
The repetitive slow state is achieved by operating the multivibrator V6A, V6B in one of its
two free running conditions, the values of C37 and R67 determining the Switching speed of the
circuit.
The repetitive fast, state is attained when the multivibrator is operated in its second free
running condition, C37 and R70 values determining the Switching speed of the circuit.
In both repetitive states RV12 enables variations of time to be adjusted.
Indicator lamp, ILP1 is illuminated during the compute and hold states.
Indicator lamp ILP2 is illuminated during the pot. set and problem check states. The lamps
cycle in the repetitive fast and slow states.
MR12 prevents C38 going negative and causing incorrect operation of the timer in the slave
mode.
2.8 AS 1403 Power Supply
The AS 1403 power supply unit provides main HT and LT, supplies for the TY 1351and computer
amplifiers AA 1054.2. This unit is fully described in Appendix B at the rear of the manual.
| Section 3
MAINTENANCE INFORMATION
| 3.1 Initial Checking Procedure
1. Turn on the Heater switch on the AS 1403 Power Supply Unit front panel. This action
| connects heater voltages to valves in the AS 1104.2 Power Supply, in the Tutor and in the
AA 1054. 2 Operational Amplifiers. It also energises the Control relays. Check that the valve
heaters glow and that the choppers vibrate.
| 2, Insert patch cords to link M14 to N14, Ql to Q2 and Q10 to Q11. Turn on the H.T.
Switch on the AS 1403 Power Supply. Check that relay RLE operates. It should de-energise
On removal of the patch panel.
3. Check that all overload lamps on the front panels of the Operational Amplifiers and on
the front panel of the AS 1104. 2 Power Supply Unit cease to glow.
4, Check that approximately +100 volts and -100 volts appear on the patch panel at G6, P8,
Y¥6 and G9, P6, Y9 respectively.
5. Using the indicator lamps, check the timer states including the fast/slow controls.
| 6. Check the reference potentiometer with the voltmeter line connected to signal ground.
7 Check all coefficient potentiometers.
3.2 Test Procedure
The procedure given in this sectionis basically the production test to which all units are sub-
| jected prior todespatch. It ig provided to enable the user of the equipment to checkits performance
| and to make any required adjustments. ,
| An Avometer, a Solartron LM 1010 Digital Voltmeter, a Solartron CD 1014.3 Oscilloscope,
a resistive load and a stop watch or other timing device are required.
The operational amplifiers and front panel of the Tutor may be extracted from the cabinet
when the four chromium plated screws located near the corners of the front panel are released.
1. Adjust the -100 volts reference supply by means of RV10. The ripple should be con-
siderably less than 5mV.
. Repeat test 1 on the +100 volts reference supply line adjusting RV11 if necessary. The
ripple should again be considerably less than 5mV.
3. Load the +100 volts line with 1K derived from the rheostat. The ripple should not ex-
ceed 10mV. The volts drop should not exceed 50mV with 100mA flowing through the circuit .
‘51/1
8a.
8b.
10.
Repeat 3 for similar results on the -100 volts rail.
Zero test points 1 of the amplifiers. The voltages at these points should not exceed
750mV peak-to-peak.
Monitor the amplifier output points on the patch panel. Noise should not exceed 5mV
peak-to-peak.
Check the reference potentiometer. A zero reading on the dial of the potentiometer
should correspond to a zero reading on the null meter. Check the linearity roughly at three
or four points.
Check the amplifier input resistors and the free resistors. With 100 volts applied to
a 1M& component an amplifier output should read 100 volts. With 10 voltsapplied to a 100K
component, an amplifier output should read 100 volts.
Check the initial condition resistors onthe summer/integrators. Theamplifier switches
should be set to integrate. The amplifier outputs should be greater than 100 volts.
With +100 volts patched into-a 100KQ initial condition potentiometer, leakage should be
better than 5 x 10-9, e.g. with a 1M@ feedback resistor the voltage at the amplifier output
terminal should not exceed 5mV. Set the appropriate Sum/Integrate switch to Sum for this
test.
Check the timing of the integrators:
a) 0.1pF 0.1 volts in 100 volts in 100 seconds.
b) 0.01,F 0.01 volts in 100 volts in 100 seconds.
0.1 volts and 0.01 volts can be obtained by using Summers at 0.1 gain.
Check leakage times with 100 volts on the outputs. They should not exceed 1 volt in
100 seconds.
Check the free diodes.
Check the hold state with -100 volts applied to Q14 on the patch panel.
Check the timer to obtainapproximately 1.5 seconds and 150 milliseconds in RS and RF
respectively.
Check the voltmeter jack socket.
Check master slave on timer by coupling two units together.
Check the trigger socket.
Check TRUNKS.
LIST OF COMPONENTS
RESISTORS FIXED
Cet. Value Tol. Rating Solartron
Ref. Ohms % Watts Part No. Manufacturer and Type
R1 100K 0.5 ; 1604 00074 Plessey ATMF
R2 1M 0.5 7 1604 00025 Plessey ATMF
R3 10K 10 $ 1723 41000 Erie 16 Carbon
R4 1M 0.5 i 1604 00025 Plessey ATMF
R5 100K 0.5 7 1604 00074 Plessey ATMF
R6 100K 0.5 ; 1604 00074 Plessey ATMF
R7 1M 0.5 + 1604 00025 Plessey ATMF
R8 100K 0.5 ; 1604 00074 Plessey ATMF
R9 100K 0.5 t 1604 00074 Plessey ATMF
R10 1M 0.5 7 1604 00025 Plessey ATMF
R11 110K 0.5 i 1604 00075 Plessey ATMF
R12 1M 0.5 a 1604 00025 Plessey ATMF
R13 110K 0.5 ; 1604 00075 Plessey ATMF
R14 1M 0.5 1604 00025 Plessey ATMF
R15 1M 0.5 i 1604 00025 Plessey ATMF
R16 100K 0.5 1604 00074 Plessey ATMF
R17 1M 0.5 1604 00025 Plessey ATMF
R18 1M 0.5 1604 00025 Plessey ATMF
R19 100K 0.5 1604 00074 Plessey ATMF
R20 100K 0.5 i 1604 00074 Plessey ATMF
. R21 100K 0.5 + 1604 00074 Plessey ATMF
R22 100K 0.5 + 1604 00074 Plessey ATMF
R23 1M 0.5 + 1604 00025 Plessey ATMF
| R24 1M 0.5 i 1604 00025 Plessey ATMF
R25 100K 0.5 + 1604 00074 Plessey ATMF
R26 1M 0.5 ; 1604 00025 Plessey ATMF
R27 1M 0.5 ; 1604 00025 Plessey ATMF
R28 1M 0.5 ¢ 1604 00025 Plessey ATMF
| R29 100K 0.5 ; 1604 00074 Plessey ATMF
| R30 100K 0.5 4 1604 00074 Plessey ATMF
| R31 1M 0.5 i 1604 00025 Plessey ATMF
R32 100K 0.5 ; 1604 00074 Plessey ATMF
R33 100K 0.5 ; 1604 00074 Plessey ATMF
R34 1M 0.5 a 1604 00025 Plessey ATMF
R35 110K 0.5 ? 1604 00075 Plessey ATMF
R36 1M 0.5 ? 1604 00025 Plessey ATMF
R37 110K 0.5 ; 1604 00075 Plessey ATMF
R38 22K 5 6 1737 42200 Painton 306A WW
R39 330K 1 i 1704 53300 Painton 92 HS
R40 2. 2M 1 + 1704 62200 Painton 92 HS
R41 15 1 4 1707 41500 Painton 93 HS
R42 2.2M 1 + 1704 62200 Painton 92 HS
R43 47K 5 12 1743 44700 Painton 302A WW
R44 3.3K 10 ; 1723 33300 Dubilier BTT Carbon
R45 68K 10 ; 1723 46800 Dubilier BTT Carbon
RESISTORS FIXED - continued
Cet. Value Tol. Rating Solartron
Ref. Ohms % Watts Part No. Manufacturer and Type
R46 1M 10 + 1723 61000 Dubilier BTT Carbon
R47 100K 1 ry 1704 51000 Painton 92 HS
R48 110K 1 + 1704 51100 Painton 92 HS
R49 100K 10 2 1725 51000 Dubilier BTA Carbon
R50 10K 10 + 1723 41000 Dubilier BTT Carbon
R51 22K 10 3 1725 42200 Dubilier BTA Carbon
R52 10K 10 + 1723 41000 Dubilier BTT Carbon
R53 100K 10 i 1723 51000 Dubilier BTT Carbon
R54 1K 5 12 1743 31000 Painton 302A WW
R55 68K 10 + 1723 46800 Dubilier BTTCarbon
R56 12K 10 4 1723 41200 Dubilier BTT Carbon
R57 47K 10 4 1723 44700 Dubilier BTT Carbon
R58 47K 10 t 1723 44700 Dubilier BTT Carbon
R59 1M 10 + 1723 61000 Dubilier BTT Carbon
R60 150K 1 1 1713 51500 Painton 92 HS
R61 1M 10 + 1723 61000 Dubilier BTT Carbon
R62 10K 5 2.6 1737 41000 Painton 306A WW
R63 1M 10 + 1723 61000 Dubilier BTT Carbon
R64 10K 5 2.6 1734 41000 Painton MV1A WW
R65 1M 10 + 1723 61000 Dubilier BTT Carbon
R66 1M 10 + 1723 61000 Dubilier BTT Carbon
R67 3.3M 10 3 1725 63300 Dubilier BTA Carbon
R68 1M 10 z 1723 61000 Dubilier BTT Carbon
R69 1M 10 i - 1723 61000 Dubilier BTT Carbon
R70 510K 5 0.7 1965 55100 Electrosil N25 O.F.
R71 10K 5 2.6 1734 41000 Painton MV1A Ww
R72 100 10 + 1723 21000 Dubilier BTT Carbon
'
RESISTORS VARIABLE
Cet. Value Tol. Rating Solartron
Ref. Ohms % - Watts Part No. Manufacturer and Type
RV1 30K 5 2 1101 50190 Reliance HEL-07-10
RV2 30K 5 2 1101 50190 Reliance HEL-07-10
RV3 30K 5 2 1101 50190 Reliance HEL-07-10
RV4 30K 5 2 1101 50190 Reliance HEL-07-10
RV5 30K 5 2 1101 50190 Reliance HEL-07-10
RV6 30K 5 2 1101 50190 Reliance HEL-07-10
RV7 30K 5 2 1101 50190 Reliance HEL-07-10
RV8 30K 5 2 1101 50190 Reliance HEL-07-10
RV9 50K 5 4 1101 50200 Colvern CLR23/00/13
RV10 10K 10 $ 1100 26100 Colvern CLR1206/9S
RVI1 10K 10 4 1100 26100 Colvern CLR1i206/9S
RV12* 25K 10 3 AB Metals 58
1/1 7
CAPACITORS
Cet. Value Tol. Rating Solartron
Ref. uF % Volts Part No. Manufacturer and Type
Cl 100pF 2.5 500 2104 21000 GEC 21001 Po
C2 0.001 2.5 500 2104 31000 GEC 31001 Po
C3 100pF 2.5 500 2104 21000 GEC 21001 Po
C4 0.001 2.5 500 2104 31000 GEC 31001 Po
C5 91pF 2.5 500 2104 19100 Suflex HS Po
C6 0.01 1 500 2103 41000 Suflex HS Po
C7 0.1 1 500 2103 51000 Suflex HS Po
C8 91pF 2.5 500 2104 19100 Suflex HS Po
c9 0.01 1 500 2103 41000 Suflex HS Po
C10 0.1 1 500 2103 51000 Suflex HS Po
Cll 100pF 2.5 500 2104 21000 GEC 21001 Po
C12 100pF 2.5 500 2104 21000 GEC 21001 Po
C13 0.001 2.5 500 2104 31000 GEC 31001 Po
C14 100pF 2.5 500 2104 21000 GEC 21001 Po
C15 100pF 2.5 500 2104 21000 GEC 21001 Po
C16 0.001 2.5 500 2104 31000 GEC 31001 Po
C17 91pF 2.5 500 2104 19100 Suflex HS Po
C18 91pF 2.5 500 2104 19100 Suflex HS Po
c19 100pF 2.5 500 2104 21000 GEC 21001 Po
| C20 0.001 2.5 500 2104 31000 GEC 31001 Po
|
C21 100pF 2.5 500 2104 21000 GEC 21001 Po
ho; C22 .001 2.5 500 2104 31000 GEC 31001 Po
C23 91pF 2.5 500 2104 19100 Suflex HS Po
C24 0.01 1 500 2103 41000 Suflex HS Po
C25 0.1 1 500 2103 31000 Suflex HS Po
C26 91pF 2.5 500 2104 19100 Suflex HS Po
C27 0.01 1 500 2104 10000 Suflex HS Po
| C28 0.1 1 500 2103 51000 Suflex HS Po
C29 0.047 10 400 2208 44700 Wima Tropyfol M
| C30 0.047 10 400 2208 44700 Wima Tropyfol M
| C31 0.1 10 125 2203 51000 Wima Tropyfol M
C32 0.1 10 400 2208 51000 Wima Tropyfol M
C33 0.1 10 125 2203 51000 Wima Tropyfol M
C34 Not fitted 45
C35 2 +50 150 2616 62000 Hunts MEW92T
C36 0.1 10 125 2203 51000 Wima Tropyfol M
C37 1 20 600 2083 50017 Hunts WF49
C38 1 20 600 2083 50017 Hunts WF49
C39 0.022 10 400 2208 42200 Wima Tropyfol M
C40 0.22 10 400 2208 52200 Wima Tropyfol M
| C41 16 - 150 2616 71600 Hunts MEF112T
|
* Supplied with Switch SL
1/1
VALVES
Cet.
Ref. Description
vi Triode Pentode
V2 Reference Tube
V3 Pentode
v4 Triode Pentode
V5 Pentode
V6 Double Diode
SEMICONDUCTORS
VT1 Transistor
MRi1 Diode
MR2 Diode
MR3 Diode
MR4 Diode
MR5 Diode
MR6 Diode
MR7 Diode
MR8 Diode
MR9 Diode
MR10 Diode
MR11 Diode
MR12 Diode
MISCELLANEOUS
Tl Transformer
M1 Meter
SA Switch Lever
SB Switch Lever
sc Switch Lever
SD Switch Lever
SE Switch Lever
SF Switch Lever
SG Switch Lever
SH Switch Lever
SJ Switch Lever
SK Switch Lever
SL * Switch Wafer Trolex
SM Switch Toggle DPDT
FS1 Fuse Link
SKTA Socket Fixed 24 Way
SKTB Socket Fixed 24 Way
SKTC Socket Fixed 24 Way
SKTD Socket Fixed 15 Way
SKTE Socket Fixed 15 Way
SKTF Socket Coaxial
SKTG Socket Jack
PLA Plug Fixed 15 Way
RLA Relay
RLB Relay
Solartron
Part No.
3000 35010
3000 11020
3000 05240
3000 35010
3000 05240
3000 33020
3005 50530
3005 21040
3005 21040
3005 21040
3005 21040
3005 21040
3005 20910
3005 20910
3005 20910
3005 20910
3005 21080
3005 21080
3005 21080
3400 22010
3750 00270
3750 00270
3750 00270
3750 00270
3750 00280
3750 00270
3750 00270
3750 00270
3750 00270
3750 00270
3743 00050
3760 00080
3601 01320
3525 24010
3525 24010
3525 24010
3525 15010
3525 15010
3521 01160
3525 01210
3523 15010
3006 50180
3006 50180
Manufacturer
Brimar
Mullard
Mullard
Brimar
Mullard
Brimar
Mullard
Mullard
Mullard
Mullard
Mullard
Mullard
Mullard
Mullard
Mullard
Mullard
Ferranti
Ferranti
Ferranti
Solartron
Taylor
AB Metals
AB Metals
AB Metals
AB Metals
AB Metals
AB Metals
AB Metals
AB Metals
AB Metals
AB Metals
AB Metals
Painton
Belling & Lee
McMurdo
McMurdo
McMurdo
and Type
6U8
85A 2
EL86
6U8
EL86
12AT7
ACY17
OA 202
OA 202
OA 202
OA 202
OA 202
OA 10
OA10
OA10
OA10
2874
ZS74
ZS74
3010 10110
Model 220
L02
L02
L02
L02
L04
L02
L02
L02
L02
L02
501085
L562/2
RS24
RS24
RS 24
Electromethods BA-15-S
Electromethods BA-15-S
Belling & Lee
Rendar Inst.
L603A
J 400A
Electromethods BA-15p
Varley VP4
Varley VP4
* Supplied with Resistor Variable RV12
CAA120
CAA120
Cet.
Ref.
RLC
RLD
RLE
PB1
ILP1
ILP2
ILP3
ILP4
ILP5
ILP6
10
Solartron
Description Part No.
Relay 3006 50180
Relay 3006 50180
Relay P.O. 3000 3006 50340
Patchboard
Neon Indicator Lamp(Clear) 3007 20120
Neon Indicator Lamp (Clear) 3007 20120
Neon Indicator 3007 20110
Neon Indicator 3007 20110
Neon Indicator 3007 20110
Neon Indicator 3007 20110
Manufacturer
Varley VP4
Varley VP4
Keyswitch
Woden
Arcolectric
Arcolectric
Arcolectric
Arcolectric
Arcolectric
Arcolectric
and Type
CAA120
CAA120
SL81
SL81
T49
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Fig.1 - Component Location : Front Panel
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Fig.3 - Component Location : Left-hand Side Panel
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Fig.9 - Inter-connecting Cable : Analogue Tutor II to AS1403 Power Supply Unit
APPENDIX A
Technical Manual : Dual Operational Amplifier
Type AA1054.2 and Amplifier
Mounting Unit Type TX1055. 2
51/1