EAI 580 Console Chapter 7: The 0,10,0354 Power Supply
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CHAPTER 7
THE 0.10. 0354 POWER SUPPLY
7.1 INTRODUCTION
The 0. 10. 0854 Power Supply (Figure 7.1) provides the operating and reference voltages necessary
for operation of the EAI 580 Analog Computer. De voltages include +30 volts, -20 volts, +15 volts,
£10 volts and +5 volts. Ac line voltage, both unswitched and switched, is available at connectors
AC2 and AC3 respectively. A 6.5 volt winding is provided on T1 for chopper drive.
Each of the operating voltages (+30, +15, +5 volts) are produced by a regulator circuit consisting
of an input network, a series regulator circuit and a sensing circuit to control the drive and
series regulator. The output levels of the operating voltages are remotely sensed at the
distribution point, allowing the regulators to compensate for voltage drops in the distribution
wiring.
The +10 volt output is used as computer reference voltage. This voltage is developed from the
+15 volt sources and utilizes a chopper stabilized operational amplifier for regulation and
stability.
The -20 relay volts is developed by using a full-wave bridge rectifier connected to the 20 volt
winding on T1.
The input networks, regulators and operational amplifier components are located on printed
circuit cards. Series regulators Q1, Q2, Q3 and Q4 are mounted on a heat sink.
7.2 SPECIFICATIONS
Listed below are the electrical specifications for the 0, 10.0254 Power Supply.
Input Power ........--. vs dee MOSS. 5 cir clad Sleswiete a daly 115 Vac +10V, 50/60 Hz
230 Vac +20V, 50/60 Hz
Regulated Power ............ D0 OPO OODOa AE OUOdoc +30 Vde at 2.5 A
+15 Vde at 0-2.5A
-15 Vde at 0-2.5A
+5 Vde at 0-10 A
PVEEGUETICQE bs. ccicss oa ses seo Sc) de Comodo dead +10 Vde at 0-0.5 A Each
Overload Indicator Power .....ceeceeccsecesseeeeseeee 8,0 Vde at 0-3 A
Relay Power .......cccseeeeeerceeteereeereetecsvesess ~20 Vde at 0-3 A
Chopper Drive ......... Ais Ho «cae in Pier -- 6.3 Vac at2A
7-1
CHAPTER 7 THE 0.10.0354 POWER SUPPLY
(b) POWER SUPPLY FRONT PANEL
igure 7.1. Power Supply, Model 0.10. 0354
7.3 CIRCUIT DESCRIPTION
The circuits in the 0.12.1648 Rectifier Filter Network use standard full-wave rectifiers, to-
gether with capacitive filter networks. Power Sources of this type are described in basic texts;
therefore, detailed theory of operation is not given.
7-2
CHAPTER 7
THE 0. 10.0354 POWER SUPPLY
TRA Operating Voltages
© regulator circuits for the +30, +15 and +5 volt power supplies are similar in operation although
cert : t v
ain component values may differ due to the different output voltages. For this reason only
the +30 volt regulator is described in this paragraph.
Refer to Figure 7.2 for the following deseription, The output of the +30 volt rectifying network is
connected through fuse F'4 to the collector of the series regulator Q1. The +30 volt output is taken
from the ¢mitter of Q1. The conduction of the series regulator (Q1) is controlled by the regulator
circuit (enclosed in dotted lines). The regulator consists of a differential amplifier stage (Q2 and
Q3) and a driver stage (Q1).
Qi
CRI ra
aa } On L—4 » +30V
CRE _les RI
“le 330
Cl4 CRIO
i]
I5V AC +3
[cis |
cr2o L
*SYMBOLIZES A FIELD EFFECT > +30V
(CONSTANT CURRENT) DIODE. | 1 SENSE
RI 1
| 600
R2
500
_» GRD
SENSE
Figure 7.2. +30 Volt Regulator
7-3
CHAPTER 7
7-4
One end of the sense line is connected to the +30 volt bus. The other end of the sense line is
connected to resistor R3 which along with resistor R1 and potentiometer R2 constitute a voltage
divider. The potential developed across the divider is used to establish a base voltage for tran-
sistor Q2. Any change on the +30 volt bus is reflected in base circuit of Q2 causing it to conduct
less or harder depending on the direction of change. The basic voltage of emitter follower Q1 is
supplied from a 15 volt tap on T1, and voltage doubler CR19 and CR20, and applied to the base of
Q1 through field effect diode CR1 used as a constant current source. As the conduction of Q1
changes with any load changes, the base of Q2 similarly changes and the drive to the series regu-
lator is increased or decreased raising or lowering +30 volt line.
Capacitor C1, connected between the base circuits of Q1 and Q2, is a feedback element used to
slow down the response of the regulator. Capacitor C2, located between the base of Q3 and the
ground sense line is used to filter out noise that may emanate from diodes CR2 and CR3. Break-
down diodes CR2 and CR3 are used to establish a stable voltage at the base of Q3 which is the
temperature compensation portion of the differential amplifier. Capacitors C3 and C10, located
between the +30 volt and +GRD sense lines, is used to filter any transients that may appear on
the +30 volt bus.
7.3.2 +Reference Regulators
The reference regulators produce outputs of +10.000 volts. These levels are derived from the
+15 volt analog power supplied by chopper-stabilized high-gain amplifiers. A stable, temperature
compensated reference diode provides a constant voltage source to the regulating amplifier pro-
ducing the -10. 000 volt level if the computer is operated independently. If the computer is slaved
to another Console, a relay in the reference circuit can be used to connect the +10. 000 volt
reference from the master computer as a stable source for the slaved computer reference supplies.
This reference slaving feature assures that the reference potentials in all consoles are exactly the
same, permitting analog signals to be trunked among consoles without error. Since the 580
Reference Systems are well stabilized, slaving of reference systems is not usually necessary.
7.3.2.1 Block Diagram Analysis. Refer to Figure 7.3, a simplified block diagram
of the reference circuits, for the following description. The positive and the negative reference
potentials are produced by similar circuits, each consisting of a chopper stabilized amplifier
(S1-S2) and a differential input error amplifier (A1-A2).
The negative reference amplifier (Al) receives +15 volts as an input signal. The ratio of R1:R2
is such that the amplifier input is zero when the output voltage equals -10.000 volts. The stabilizer
for the negative reference supply (S1) receives a precise reference potential as an input. This
THE 0. 10.0254 POWER SUPPLY
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_— THE 0, 10,0354 POWER SUPPLY
level is provided by a special Zener diode network through R6a, R6b, and part of R7 to the stabili-
zer when the computer is operated independently. Adjustable resistor R6a is set as required by
the characteristics of the reference diode, Resistor R8 provides feedback around both
amplifier and the stabilizer, and R7 provides a fine adjustment of the output voltage. If two
computers are slaved together, the relay contact at the input to the stabilizer moves to the oppo-
R3 and part
the main
Site position, and the positive reference voltage from the master computer (through
of R4) serves as the precision reference source. Resistor R4 is adjusted (when the computer is
slaved) so that the reference levels in master and slaved computers are equal.
RI R2
+15V NN WV
(5K 1OK
R4
R3 202 R5
+EXT REF WW — WN
10K 10K
— REF BUS
(-10.000V)
O
9.4K
+ 10K
REF WN—
(9.4V) 6a R6b 202 R8
R7
R9 RIO
—I5V NN— NWN
15K 10K
-—O) +REF BUS
(+10, 000V)
RII RI3
—WA- WN
|OK 208 OK
NOTE: Rl2
COMPONENT NUMBERS ARBITRARY,
FOR DESCRIPTION ONLY.
Figure 7.3. Reference Supplies, Simplified Block Diagram
7-5
The positive reference regulator functions in the same way, except that the stabilizer input is
provided by the negative reference supply. Resistor R12 is set so that the absolute values of the
positive and negative reference sources are equal. Therefore, should the negative reference
level increase slightly, the positive reference level will increase by the same amount and the
reference voltages will remain balanced.
7.3.2.2 Simplified Schematic Analysis, Refer to Figure 7.4, a simplified
schematic of the positive and negative reference regulators. The stabilizer and error amplifiers
are on the 0. 43.0152 Regulator Card. The series regulator transistors (effectively the output
stages of the error amplifiers), Q1 and Q2, are on the heat sink. The precision reference
Zener and the input/feedback networks for the regulator are on the 0.12.1240 Input Network
Card, shown at the left of Figure 7. 4.
The regulating circuits for the positive and negative reference supplies are identical except
for the use of different transistor types in some sections, of the regulators. The reference
designations for corresponding components in the positive and negative sections are the same,
except that the positive regulator components have a -1 suffix. For this reason, only the opera-
tion of the negative regulator circuit is described in this paragraph.
Each regulator consists of three major circuits: 1) a stabilizer (Q8-Q9); 2) a main amplifier
(Q1-Q7); and 3) a series regulator mounted on the heat sink (Q5). Transistors Q1 and Q2 form
a differential input stage for the main amplifier. The base of Q1 is held at zero by the R1-1,
R1-2, R1-3 voltage divider; the base of Q2 is supplied with an input from the stabilizer.
The stabilizer input comes from a precision reference, either internal (from CR1 on the
0. 12.1240 Input Network Card) or from a remote master computer. The input (at pin 22 of the
regulator card) is connected to pin 1 of chopper D1. Diodes CR5 and CR6 prevent the input
signal from exceeding approximately +0.3 volt, to provide faster recovery time if the circuit
should become overloaded. The chopper converts the input signal from a dc level to a rec-
tangular waveform that alternates between ground and the input signal level at a 60 cps rate.
This alternating signal is coupled through C5 and R15 to the base of Q8. Transistor Q8 is a
common-emitter amplifier stage, directly coupled to Q9.
The amplifier signal at the collector of Q9 is in phase with the input at the base of Q8. Capacitor
C6 provides the correct rolloff frequency for the stabilizer, and resistor R17 provides a dc feed-
back for Q8 and Q9. The output of Q9 is connected through C3 to contact 3 of the chopper. Con-
tacts 3 and 2 of the chopper provide overall phase inversion of the signal. The alternating output
signal is filtered by R14 and C4, providing an amplified dc level, opposite in polarity to the level
at pin 22 of the card, to C5. The signal at this point is proportional to the regulator output de-
viation from -10, 000 volts.
THE 0.10.0354 POWER SUPPLY
ef)
THE 0. 10.0354 POWER SUPPLY
CHAPTER 7
T
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fizess INPUT NETWORK & REFERENCE REGULATOR
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Figure 7.4.
410 Volt Reference Regulator,
Simplified Schematic
1-7
CHAPTER 7
7-8
The signals at the collectors of Q1 and Q2 are connected to the base and emitter respectively of
Q3. Transistor Q3 amplifies any differential signals appearing at Q1 and Q2, and the collector
of Q3 provides a single-ended signal to the base of emitter-follower Q4. Capacitor Cl provides
a high frequency feedback signal around Q3 and Q4, determining the rolloff characteristic for the
Q1-Q4 stages.
The emitter of Q4 is connected through R8 to the base of Q5. Diode CR3 limits the positive level
of the signal at the base of Q5 under overload conditions. The signal at the collector of Q5 is
coupled through diode CR4 to the base of emitter-follower Q7. A feedback network consisting
of R9 and C2 is connected from the emitter of Q7 to the base of Q5, providing the correct rolloff
and phase shift characteristics for this section of the regulator. The emitter of Q7 is directly
coupled to the base of series regulator transistor Q5 on the heat sink. The series regulator
transistor, together with R6 on the heat sink, reduces the -15 volt input level (coupled through
CR7) to a level of -10.000 volts. Diode CR7 protects the regulator components from damage if
the -15 volt supply should go positive for some reason.
Transistor Q6 on the regulator card provides current limiting for the supply. The voltage drop
from the base of the series regulator to the -REF bus appears across resistors R12 and R13.
The wiper of R12 is adjusted so that Q6 conducts when the current drawn from the regulator
exceeds a predetermined value. When Q6 conducts, the forward bias on Q7 is reduced and the
series regulator forward bias is reduced. Diode CR8 prevents the voltage on the -REF bus
from going positive during transient conditions or if the + and - reference buses are shorted
together.
7.4 ADJUSTMENT PROCEDURES
7.4.1 Required Equipment
1. Digital voltmeter (DVM), accurately calibrated and having a resolution of 1
millivolt.
2. Equipment capable of measuring +10. 000 volts with a maximum absolute error
of 500 microvolts or less. This may consist of a differential null voltmeter
(such as the Fluke, Model 825 or the Keithley, Model 662); a precision ratio
bridge, galvanometer, and standard cell; or a precision power supply and
comparison circuit.
3. Ammeter, 0-5 amp, accurate within +5%.
THE 0. 10.0354 POWER SUPPLY
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—= = Oe. CO CUL ACU ACU
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CHAPTER 7
THE 0. 10.0354 POWER SUPPLY
7.4.2 Adjustment Steps
Assure that primary ac power is within the specified limits, and that the line
voltage selector switch is in the appropriate position. Apply power and allow
the equipment to warm up for one half hour.
Connect the DVM between the +30 volt bus and central ground (Figure 7.5). See
Figure 7.6 for location of adjustment potentiometers.
Set the +30 volt level control for an output of +30.000 volts within +10 millivolts.
Connect the DVM input to the +15 volt bus. Set the +15 volt level control for an
output of +15. 000 volts +10 millivolts.
Connect the DVM to the -15 volt bus. Set the -15 volt level control for an output
of -15.000 volts +10 millivolts.
Connect the DVM to the +5 volt bus. Set the +5 volt level control for an output
of +5.00 volts +10 millivolts.
The adjustment procedure for the +reference regulators depends on the equip-
ment available. In no case should adjustment be attempted unless sufficiently
accurate, carefully calibrated test equipment is available (see Paragraph
7.4.1, Step 2).
If a differential null voltmeter is available, connect the instrument between the
- reference bus (following the manufacturer's instructions) and central ground.
Set the - reference coarse and fine level controls for an output of -10.000 volts
+1 millivolt.
If a voltage divider-galvanometer-standard cell circuit is used, patch the cir-
cuit of Figure 7.7a. Set the voltage divider or ratio bridge controls as re-
quired by the standard cell potential, then adjust the - reference coarse and
fine level controls until the galvanometer indicates a null.
If a precision power supply is used, patch the circuit of Figure 7. 7b, and ad-
just the coarse and fine - reference level controls for an indicated output of
zero volt.
When the - reference level has been set, the + reference is balanced against
this potential so that the absolute values of both reference potentials are equal.
Patch the circuit of Figure 7.8 and adjust the + reference level control (the
balance control) until the meter indicates an output of zero volt.
7-9
7-10
He
TYPICAL BUS
THE 0.10.0354 POWER SUPPLY
When the +reference levels have been set, the current limiters can be adjusted.
This step is normally necessary only if a series regulator or other components
in the output stage is replaced.
Connect the ammeter between the + reference bus and central ground. Rotate
the + current limiter adjustment clockwise until the ammeter indicates 1.6 amps.
Connect the ammeter between the ~ reference bus and central ground, ob-
Serving meter polarity. Set the - current limiter adjustment until the ammeter
indicates 1.6 amps.
BUS BARI
BUS BAR 3
BUS BAR 4
BUS BAR 5
BUS BAR VOLTAGES AND SIGNALS
BUS BARS
! 2 3 4 5
| HQ. GRD. | HQ. GRD. +10V HQ. GRD. | HQ. GRD.
2 —I5V —I5V —lOv —I5V —I5V
3 +15V +15V —20V +15V +15V
4 | +30v | +30v +5V +30V +30v
5 EGRD +GRD DIG GRD +G6RD +6RD
€ SP SP oP SP “oS
7 | 6.3V AC | 6.3V AC Ic 6.3V AC | 6.3V AC
8 6.3V AC | 6.3V AC TS 6.3V AC | 6.3V AC
Figure 7,5. Bus Bar Layout
CHAPTER 7
POWER SUPPLY 0.10.0354
REF AMPLITUDE +REF
oy e eos @ @ @
COARSE FINE EXT BAL
+30¥ +15V 15 +5¥
® & ® ®
REF +304 3A +15V 3A +$V 1A
nav
230V Q
Figure 7.6. Adjustment Potentiometers Layout
— REFERENCE
PRECISION
VOLTAGE DIVIDER
T OR
RATIO BRIDGE
| | r 71
l
| 3
| | ‘ea
\ | GALVANOMETER ! STANDARD
aaa Lt
HQ GROUND [Ob
(a) Galvanometer Circuit
— REFERENCE O--OG Oh
I
1
ZERO CENTER
VOLTMETER
I t0.1V
4 AY FULL SCALE
PRECISION *
POWER SUPPLY F-— -" - =
+10.000V +
*Resistors matched to 0.001%.
(b) Precision Power Supply Circuit
Figure 7.7. -Reference Adjustment Circuits
THE 0. 10.0354 POWER SUPPLY
7-11
THE 0.10. 0354 POWER SUPPLY
10 1 10nF
— REFERENCE [Ooh-4Ol ~~ G- {o} —w~ {9 jp }—
I i ZERO CENTER
I VOLTMETER
! iO AJ 0.1V
lo * FULL SCALE
+REF ERENCE [O-fOhw 4h - ghee (Oe v)- a1
*Resistors matched to 0.001%.
Figure 7.8. Reference Balance Adjustment Circuit
T-12
APPENDIX 1
REPLACEABLE PARTS LISTS
This appendix contains Replaceable Parts Lists for the equipment described in this chapter. In
each case, a brief description of the part, the EAI part number and, where applicable, a refer-
ence symbol (schematic designation) is included. To enable a particular sheet to be readily lo-
cated, an index precedes the individual replaceable parts lists.
The category column indicates the availability of each part so that a replacement can be obtained
as quickly as possible.
Category "A'’ - The parts in category ''A" are standard electronic items that are usually avail-
able from any commercial electronic supplier.
Category "'B''- The parts in category ''B" are proprietary items that are available only from EAI.
If proprietary items are replaced with items ob-
tained from other sources, EAI cannot assume
responsibility for a unit not operating within its
published specifications.
ORDERING INFORMATION
To expedite your order for replacement parts the procedures below should be followed:
1. Specify the EAI part number and description of the part required. The model number and
serial number of the next higher assembly should also be included.
NOTE
EAT is currently revising the part numbering sys -
tem. All parts effected by this revision are iden-
tified using the new and the old number (the number
in parenthesis). All parts should be ordered using
the new number. The old number is provided to
cross reference parts that may still be identified
physically, or in other publications by that number.
2. When ordering complete assemblies (networks, printed circuit cards, etc.), specify the
model and serial numbers of the equipment the assembly is to be used with. If possible
include the purchase order number or the EAI project number of the original equipment
purchased.
a1 When ordering expansion components, note if mounting hardware is required. If hard-
ware is needed, add to the purchase order the statement "INCLUDING MOUNTING HARD-
WARE".
NOTE THAT EAI RESERVES THE RIGHT TO MAKE PART
SUBSTITUTIONS WHEN REQUIRED. EAI GUARANTEES
THAT THESE SUBSTITUTIONS ARE ELECTRICALLY AND
PHYSICALLY COMPATIBLE WITH THE ORIGINAL COM-
PONENT.
7-13
Page
7-15
7-16
F-17
7-18
7-20
7-21
=
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—_
i
-_ -_ i 3 1 3 , 3
a
1
'y
'T *
EM] _REF. DEsic. DESCRIPTION EAI NO. oad
1 jac Connector, Receptacle 00 542.1559-0 A
(Amphenol 160-S or equal)
2 |Ac2,3 Connector, Receptacle, Outlet: 00 542.0926-0 A
3 Wire; Female
(Hubbell 5262 or equal)
3 |Cl thru 4 |capacitor, Fixed, Plastic: 00 521.0854-0 | A
47 nf +10%, 200V
(Sprague 192P47392 or equal)
4 1C5 Capacitor, Fixed, Film: 00 521.1675-0 | A
0.1 +20%, 600V
(Sprague 160P10406 or equal)
5 |CB1,2 Circuit Breaker: 3A, 125V 00 534.0064-0 A
(Sylvania ‘MB317 or equal)
6 |CR1 thru 4 | Rectifier 00 614.0255-0 A
(Motorola MR1032A or equal)
7 | F1,2 Fuse, Cartridge, Medium Acting: 00 570.0120-0 | A
8A, 250V
(Littelfuse 314008 or equal)
8 | F3 Fuse, Cartridge, Fast Acting: 00 570.0090-0 A
5A, 250V
(Littelfuse 312005 or equal)
9 |F4,7 Fuse, Cartridge, Fast Acting: 00 570.0085-0 A
1A, 250V
(Littelfuse 312001 or equal)
10 | F5,6,8,9 Fuse, Cartridge, Fast Acting: 00 570.0088-0 A
3A, 250V
(Littelfuse 312003 or equal)
11 |K1 Relay: 115 VAC, 267 ohms Coil, 3 FormA, 00 618.0318-0 A
154 Contact
(Rowan Control FE-30 or equal)
12 1Q1,2,4,6 Transistor 00 686.0243-0 | 3
13 193 Transistor: 2N3791 00 686.0307-0 A
14 1Q5 Transistor: 2N3789 00 686.0254-0 A
15 |R1 thru 4 Resistor, Fixed, Composition: 00 626.0331-0 A
330 ohms +5%, 1/2W
(Allen-Bradley EB or equal)
+ “INDICA TES PARTS THAT SHOULD BE PURCHASED FROM EAI.
POWER SUPPLY
MODEL NO.
pate 4 / 26/68 0,10,0354 Sh. 1of g Sh,
7-15
ITEM] REF. DESIG. DESCRIPTION EAI NO. at
16 | RS Resistor, Fixed, Wirewound: 00 636.0502-0 A
1K ohms +5%, 10W
(Ward-Leonard 10S or equal)
17 | R6,7 Resistor, Fixed, Wirewound: 00 636.0340-0 A
2 ohms +5%, 10W
(Ward-Leonard 10XM2 or equal)
18 | R8,9 Resistor, Fixed, Composition: 00 626.0101-0 A
100 ohms +5%, 1/2W
(Allen-Bradley EB or equal)
19 | R10 Resistor, Fixed, Wirewound: 00 636.0275-0 A
200 ohms +5%, 3W
(Ward-Leonard 3X200 or equal)
20 | R11 Resistor, Fixed, Composition: 00 625.0470-0 A
47 ohms +5%, 1/4W
(Allen-Bradley CB or equal)
21 {T1 Transformer 00 684.0259-0 B
22 |Sl Switch, Slide: DPIT 00 664.0046-0 A
(Muter 5608 or equal)
23 |s2 Switch, Thermostat: SPST 00 662.0051-0 | A
(Elmwood Sensors 3001-7 or equal)
24 Connector Module: 22 Contacts; Female 00 542.1244-0 B
i 0.12.1240 INPUT NETWORK CARD
ae Ge 4 Capacitor, Fixed, Electrolytic: 00 517.1476-4 A
47 uf +20%, 35v (00 516.0269-0)
(Sprague 150D or equal)
A c2,5 Capacitor, Fixed, Plastic: 00 521.0856-0 A
3.3 nf .+10%, 200V
(Sprague 192P33292 or equal)
3 {c3 Capacitor 00 516.0264-0 B
4 |cRI Diode: Zener 00 614.0282-0 | 4
(US Semcor SREA4-05 or equal)
5 |CR2 Diode 00 614.0034-0 B
6 {Kl Relay 00 618.0206-0 B
PNOTE: THE CATEGORY COLUMN IS DESIGNED To INDICATE AVAILABILITY OF PARTS. JUNIT TITLE
& - INDICATES PARTS THAT SHOULD BE PURCHASED LOCALLY.
B -INDICATES PARTS THAT SHOULD BE PURCHASED FROM EAI.
POWER SUPPLY
MODEL NO.
7-16
veers
ITEM) REF. DESIG, DESCRIPTION EAI NO. cone
- B
7 R1-1,1-2, Resistor, Precision (Matched Set) 00 640.0129-0
8=2,8-3
8 | R2-1,2-2 Resistor, Precision (Matched Pair) 00 640.0131-0 B
9 R4-1,4-2, | Resistor, Precision (Matched Pair) 00 640.0130-0 B
R9-1, 9-2
10 | RS Resistor, Fixed, Wirewound: 00 636.0493-0 A
1.8K ohms +0.1%, 3wW
(Sprague 223E or equal)
11 | R6,7,16 Resistor, Variable, Film: 00 642.0662-1 A
200 ohms +20%, 0.75W
(Bourns 3019P or equal)
12 | R10 Resistor, Variable, Film: 00 642.0615-0| A
500 ohms +10%, 1W
(Helipot 55 or equal)
13 Socket, Relay: 8 Contacts 00 650.0138-0 B
0,.12,1648 RECTIFIER FILTER NETWORK CARD
1 Cl thru 8 | Capacitor, Fixed, Electrolytic; 00 516.0491-0 A
4600 uf +75% -10%, 50V
(Sprague 36D462GO50AD2B or equal)
2 c14,16 Capacitor, Fixed, Electrolytic: 00 516.0476-0; A
100 uf +75% -10%, 50V
(Sprague 31D172 or equal)
3 c15 Capacitor, Fixed, Electrolytic: 00 516.0507-0 A
180 uf +50% -10%, 100V
(Sprague 39D187F100HJO or equal)
4 cl17 Capacitor, Fixed, Electrolytic: 00 516.0475-0 A
250 uf +75% -10%, 50V
(Sprague 31D176 or equal)
5 CR1 thru |}. Rectifier 00 614.0255-0 A
14 (Motorola MR1032A or equal)
6 cR19 thru | Rectifier 00 614.0110-0 A
22 (Solitron Devices, Inc. CER-68 or equal)
1 Resistor, Fixed, Wirewound: 00 636.0224-
a i. 250 ohms +5%, SW 24-0} A
(Ward-Leonard 5F250 or equal)
ae o1ca TES PARTS THAT SHOULD BE PURCHASED FROM EAI,
wes POWER SUPPLY
MODEL NO.
5-0 pate 4 /26 / 68 0.10.0354 Sh. 3of Sh.
7-17
‘
a
REF, DESIG. DESCRIPTION EAI NO. *CAT.
00.43.0152 RECTIFIER REGULATOR CARD
C1-(),6-() | Capacitor, Fixed, Plastic: 00 521.1266-0 A
1 nf +10%, 200V
(Sprague 1N2P10292 or equal)
C2-() Capacitor, Fixed, Plastic: 00 521.0181-0 A
22 nf +10%, 200V
(Gudeman 356 or equal)
C3-(),5-() | Capacitor, Fixed, Ceramic: 00 511.6225-4 A
2.2 uf +20%, 25V (00 515,0240-0)
(Sprague 5C15 or equal)
4 1c4-(—) Capacitor, Fixed, Electrolytic: 00 516.0378-0 A
75 uf +20%, 15V
(Sprague 151D756X0015Z2 or equal)
5 | C7=() Capacitor, Fixed, Electrolytic: 00 517.1107-3 A
100 uf +20%, 20V (00 516.0270-0)
(Sprague 150D or equal)
6 CRl-() thru} Diode 00 614.0007-0 B
6-()'
7 | CR7=(),8-Q|Diode: 1N3689A 00 614.0225-0 A
8 |D1-(% Chopper 00 530.0055-0 B
9 |Q1-(),2-() } Transistor 00 686.0255-0 | B
10 |Q3,3-1,4-1,| Transistor 00 686.0108-0 B
556.7
11 | Q4,5-1 Transistor 00 686.0107-0 B
12 | Q6-1,7-1 Transistor 00 686.0165-0 B
13 | Q8-(),9-() | Transistor 00 686.0257-0 B
14 | R1-(),5-() | Resistor, Fixed, Composition: 00 625.0103-0 A
10K ohms +5%, 1/4W
(Allen-Bradley CB or equal)
15 | R2-(),3-() | Resistor, Fixed, Composition: 00 625.0332-0 A
3.3K ohms +5%, 1/4W
(Allen-Bradley CB or equal)
16 | R4-() Resistor, Fixed, Composition: 00 625.0752-0 A
7 rk ohms i phe 1/4W
(Allen-Bradley CB or equal)
PNOTE: THE CATEGORY COLUMN IS DESIGNED TO INDICATE AVAILABILITY OF PARTS. JUNIT TITLE
A-INDICATES PARTS THAT SHOULD BE PURCHASED LOCALLY.
B -INDICATES PARTS THAT SHOULD BE PURCHASED FROM EAI.
POWER SUPPLY
MODEL NO,
6 , pate 4, 26,7 68 0.10.0354 Sh.4 of Sh.
7-18
:
M446
ITEM
REF. DESic,
DESCRIPTION
EAI NO.
*CAT.
17
18
19
20
21
22
23
24
25
26
27
28
29
R6=() ,16-()
R7=() ,8-()
R9=()
R10-()
R11-()
R12-()
R13-()
R14-() >
17-Q
RL5- ©) 9
19-()
R18-()
R20-()
Resistor, Fixed, Composition:
15K ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
1.5K ohms +5%, 1/4w
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
470 ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
1K ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
180 ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Variable:
500 ohms +5%, 1W
(Int. Resistance Co. CT-100
Resistor, Fixed, Composition:
100 ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
100K ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
1K ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
5.6K ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Resistor, Fixed, Composition:
33 ohms +5%, 1/4W
(Allen-Bradley CB or equal)
Socket, Transistor: 3 Contacts
(Augat 8069 or equal)
Socket, Transistor: 3 Contacts
or equal)
00
00
00
00
00
00
00
00
00
00
00
00
00
625.0153-0
625.0152-0
pag O677-P
625.0102-0
625.0181-0
642 ..0610-0
625.0101-0
625.0104-0
625.0102-0
625.0562-0
625.0330-0
650.0121-0
650.0162-0
ATEGORY COLUMN IS DESIGNED TO INDICATE AVAILABILITY OF PARTS.
A
p -INDICATES PA
4 /26
DATE
‘ean’ aa mS PARTS THAT SHOULD BE PURCHASED LOCALLY.
J RTS THAT SHOULD BE PURCHASED FROM EAI,
/ 68
UNIT TITLE
POWER SUPPLY
MODEL NO.
0.10.0354
Sh. 5 of
Sh,
7-19
ITEM| REF. DESIG. DESCRIPTION EAI NO, *CAT.
0.43.0184 -15V, +15V, +30V REGULATOR CARD
1 |cl,4,7 Capacitor, Fixed, Ceramic: 00 515.0180-0 | A
20 nf +60% -40%, 150V
(Centralab DDM-203 or equal)
2 |c3,6,9 Capacitor, Fixed, Ceramic: 00 511.1102-2 | A
(Centralab DDM=203 or equal)
Be pG2,5,8 Capacitor, Fixed, Electrolytic: 00 516,0208-0 A
100 uf +20%, 25V
(Sprague 109D107X0025F2 or equal)
4 |CR1,4,7 Diode: 1N5313 00 614.0396-0 A
So) -[.CR2,3 Diode: 1N941A 00 614.0276-0 A
6 {CR5,6,8,9 |Diode: 1N752A 00 614.0269-0 A
7 |CR10,11,12 | Diode: 1N4004 00 614.0209-0 A
8 |Q1,4 Transistor 00 686.0380-0 B
21 O2)53,5,6 Transistor 00 686.0376-0 B
10 |Q7 Transistor 00 686.0381=-0 B
11 |Q8,9 Transistor 00 686.0377-0 B
12 |R1,9,14 Resistor, Fixed, Film: 00 634.0747-2 | A
1.5K ohms +1%, 1/4W ;
(Pyrofilm PME-65-T2 or equal)
23° R2 Resistor, Variable: 00 642.0629-0 A
1K ohms +10%, 1-1/2W
(Helipot Type 55P or equal)
14 |R7,12 Resistor, Variable, Film: 00 642.0615-0 A
500 ohms +10%, 1W
(Helipot Type 55P or equal)
15 | R3 Resistor, Fixed, Film: 00 634,0747-3 A
600 ohms +1%, 1/4W
(Pyrofilm PME=65=T2 or equal)
16 | R4 Resistor, Fixed, Film: 00 634.0551-1 A
2.5K ohms +1%, 1/2W
(Pyrofilm PME-65-T2 or equal)
PNOTE: THE CATEGORY COLUMN IS DESIGNED TO INDICATE AVAILABILITY OF PARTS. JUNIT TITLE
A+ INDICATES PARTS THAT SHOULD BE PURCHASED LOCALLY.
B - INDICATES PARTS THAT SHOULD SE PURCHASED FROM EAI.
POWER SUPPLY
MODEL NO.
4 pate 4 ys 26,7 68 0210.0354 Sh. 6o0f Sh.
7-20
M446
az
zz,
r—
a ic it ED CII (LS LEAL GS BLES FLD AEA PT EE a ese
ITEM! REF. DESIG. DESCRIPTION BA\ FO. “eh
17 [RS Resistor, Fixed, Composition: 00 626.0222-0 | A
2.2K ohms +5%, 1/2W
(Allen-Bradley EB or equal)
18 |R6,11 Resistor, Fixed, Film: 00 634.0551-4 | A
500 ohms +17
(Pyrofilm PME-65-T2 or equal)
19 |R8,13 . Resistor, Fixed, Film: 00 634.0747-0 A
240 ohms +1%
(Pyrofilm PME-65-T2 or equal)
20 |R10,15 Resistor, Fixed, Composition: 00 626.0271-0 | A
270 ohms +5%, 1/2W
(Allen-Bradley EB or equal)
21 |R16 Resistor, Fixed, Composition: 00 626.0102-0 A
1K ohms +5%, 1/2W
(Allen-Bradley EB or equal)
22 |R17,18 Resistor, Fixed, Composition: 00 626.0470-0 A
470 ohms +5%, 1/2W
(Allen-Bradley EB or equal)
0.43.0185 +5V REGULATOR CARD
1 cl Capacitor, Fixed, Ceramic: 00 515.0180-0 A
20 nf +60% -40%, 150V
(Centralab DDM-203 or equal)
2 C2 Capacitor, Fixed, Electrolytic: 00 516.0208-0 A
100 uf +20%, 25V
(Sprague 109D107X0025F2 or equal)
3 Ic3 Capacitor, Fixed, Ceramic: 00 511.1102-2 A
0.001 uf +5%, 200V
(Erie 835 or equal)
4 |er1 — 1N5313 00 614.0396-0 | a
5 CR2 Diode: I1N748A 00 614.0289-0 A
; kes Diode: 1N4004 00 614.0209-0 | a
7 Ql Transistor 00 686.0380-0 B
8 2,3 Transistor 00 686.0376-0 B
E CATEGORY COLUMN IS DESIGNED TO INDICATE AVAILABILITY OF PARTS. JUNIT TITLE
* aati rr - INDICATES PARTS THAT SHOULD BE PURCHASED LOCALLY,
THAT SHOULD BE PURCHASED FROM EAI.
B -INDICATES PARTS 2 POWER SUPPLY
MODEL NO.
A gare 4/ 26’ 68 0.10.0354 Sh.7 of Sh.
7-21
Ma 44h
ITEM] _ REF. DESIG. DESCRIPTION
EAI NO, *CAT.
an lo
9 | R1 Resistor, Fixed, Composition:
680 ohms +5%, 1/W
(Allen-Bradley EB or equal)
10 | R2 Resistor, Variable, Film:
500 ohms +10%,1W
(Helipot Type 55P or equal)
11 | R3 Resistor, Fixed, Composition:
270 ohms +5%, 1/2W
(Allen-Bradley EB or equal)
12 | R4 Resistor, Fixed, Composition:
390 ohms +5%, 1/2W
(Allen-Bradley EB or equal)
3 5 RS Resistor, Fixed, Composition:
120 ohms +5%, 1/4W
(Allen-Bradley EB or equal)
14 | R6 Resistor, Fixed, Composition:
560 ohms +5%, 1/4W
(Allen-Bradley EB or equal)
00 626.0681-0 A
00 642.0615-0 A
00 626.0271-0 A
00 626,0391-0 A
00 626.0121-0 A
00 626.0561-0 A
PNOTE: THE CATEGORY COLUMN IS DESIGNED TO INDICATE AVAILABILITY OF PARTS.
A- INDICATES PARTS THAT SHOULD BE PURCHASED LOCALLY.
B -INDICATES PARTS THAT SHOULD BE PURCHASED FROM EAI.
4 pate 4 / 26 / 68
UNIT TITLE
POWER SUPPLY
MODEL NO.
7-22
ve Py a
a |
—
rh
APPENDIX 2
DRAWINGS
This appendix contains necessary schematics and wiring diagrams of equipment described in
this manual. To facilitate locating a particular sheet, an index is provided that lists the model
number of each unit or component, the type of drawings, and the associated drawing number.
The drawings are bound into the manual in the order listed under the index Drawing Number
column.
EAI drawings are prepared in accordance with standard drafting practices for electro- mechani-
cal and electronic equipment. All symbols are in accordance with current government stand-
ards.
INDEX
Unit or Component Type of Drawing Drawing Number
0.10. 0354 Power Supply Schematic DOO 010 0354 0S
(Sheets 1 and 2)
Wiring DOO 010 0354 OW
(Sheets 1, 2 and 3)
7-23
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SHKRVAHA, :
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9 €—_______¢-, Sed PRA rie £EROPL s
1-u = 6 7a BEING do susl~
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3
3-T NOTES. (THIS SAT. Over)
i \ UNLESS OTHERWISE SPECIFIED -
3A | O Atl CAPACITORS ARE COSI 04910 4. 0uF +75% ~ 10%, A
: : le. ==
bd ALL RESISTORS ARE t5¢/o lew
¢ ALL DIODES ARE 00 G14 0255 O SCHEMATIC.
ZHOR OR z
% For 250V OPERATION Fuse values == ; - CrR-¥ i
OF Fi,F2 ARE +4 (OO S70 — 5: ©) AND | MATERIAL, ce PTS LisT_AOO eis
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= o—> 8 4 UWLESS », Ae TRE OUT ——_<2-8
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FINISH:
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SUMPERS SHOWA ie 5! i KI Si
ALE FOR SIS Q (4) ® f iC) i ! 1 @
OPERATION ONLY. a i cBe \ |
foe 230V aneesrion) © an) @ \ (0) Z
AUMAPERS, $08 SHUT 2, iS) C4 tad © | :
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1 THIS WIRING 1S COBTAINED (yj cee = lea = tg
2 JUMPERS TO BE SUPPLIED Ac ace cee GENIE Nt? OT —
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