Oltronix Racpac 1000 Operating And Service Manual Download Page 73

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Pos

Value

3, PRINTED CffiCUIT BOARD 9 15 6

DIODE

D70

1N4003

RESIS TORS

R70A-B

0, 2

R71

470 0 , 25W

1 0

R72

0 , 25W

Rl 7 1A-B

0 , 25W

R2 70A-B

0 , 25W

PRINTED CIRCUIT BOARD

9 1 5 7

DIODE

D 70

1N4003

RESISTORS

R70A-B

0 , 4

R 7 1

470

0, 25W

R72

0, 25W

R l 71A-B

1 0

0 , 25W

R2 70A-B

0, 25W

5 .

PRINTED

CIRCUIT BOARD 9 158

DIODES

D 70

1N4003

RESISTORS

R70A- C

0 , 15

R 7 1

470

0, 25W

R72

2 7

0, 25W

Rl 7 1A- C

0 , 25W

R2 70A- C

1 0

0 , 25W

Part no

Type

1668

2969

1 0 12

Car

2949

Car

100 1

Car

100 1

Car

1668

2979

1012

Car

2949

Car

100 1

Car

100 1

Car

1668

2967

10 12

Car

2949

Car

100 1

Car

100 1

Car

7 1

Summary of Contents for Racpac 1000

Page 1: ...x AB Jamtlandsgatan 125 S 162 29 Vallingby Sweden Tel 08 87 03 30 Telex 107 38 _ _ _____111 Oltronix N V Euroweg 15 Leek CGrJ Holland Tel 05945 2700 2784 Telex 53301 Oltronix GmbH Bahnhofstrasse 24 D 757 Baden Oos Western Germany Tel 09 497221 616 53 Telex 784 210 ...

Page 2: ...B 24214 5 J1IHRF GARAIVT t al 3 1 7f OPERATING AND SERVICE MANUAL RAC PAC 160 1000 ...

Page 3: ...ng J Se cial Operatio11 Prog r rnming K Parallel Operatio 1 J_ Master Slave Farallel 0peration I L Constant Cu 1 0nt With Current Limit Control N Constant Currf nt With External Shunt 0 onstant Current Prcgrmnming P A cessories a Cr olrac b ack mounting ears c R emote indication R 60 Hz Operation cmcurr DESCRIP TION A General B Block Diagram C Rectifying Cirmrit And Transformer D F ilter E Firing ...

Page 4: ...N O F COMPONENTS LIST OF S PARE PARTS A General B Abbreviations C Sub Units 1 PC board 8154 32V models 2 PC board 9155 60V models 3 PC board 9156 4 PC board 9157 5 PC board 9158 6 PC board 9159 7 PC board 9177 8 PC board 9178 9 PC board 9179 10 PC board 9180 11 PC board 9151 all models 12 PC board 9152 all models 13 Voltage control unit 14 Model B32 5R remaining parts 15 Model B60 2 5R remaining p...

Page 5: ...ect the load and the power supply from excessive current and to make it possible to use the power supply as a constant current generator The power supplies include facilities for resistance programming voltage programming remote sensing and modulation Programming operation gives the possibility to control tp e output voltage by an external resistor or voltage The remote sensing circuit allows the ...

Page 6: ...fuse RAC PAC 150 300 only 14 Line switch AC only 15 AC fuse 16 Sense switch EXT or INT 17 Remote sensing and programming terminal 18 DC power terminal 19 Power supply ground terminal 20 DC power 1 terminal 2 1 Remote sensing terminal 22 Line voltage indicator 23 Voltage control lock D I NC O M I N G I N S P E C T I O N a MECHANICAL CHECK Figure When the power supply is received verify that the pac...

Page 7: ...le a claim with the responsible carrier or insurance company and refer to the warranty last page in this manual b PER FOR MANCE CHECK The power supply may be checked for electrical operation within the specifi cations of section 2 by following the procedures of section 5 If the instru ment does not operate as specified refer to the warranty page of this manual 5 ...

Page 8: ...nge mA mA pp 0 1 5 5 2 5 20 2 0 05 2 75 1 5 30 2 0 2 11 5 20 2 0 1 5 5 2 5 30 2 0 4 22 10 30 4 0 2 11 6 40 4 0 6 33 15 30 5 0 3 16 5 8 40 5 All specifications as listed above for consiant current are typical Current ILine regu Regulation I Ripple I r Jatlon 100 o and 10 mains voltage Noise swing mA change mA mA pp 5 5 1 5 0 5 1 5 2 5 0 75 0 25 0 5 5 10 3 1 2 5 5 1 5 0 5 1 5 20 6 2 4 5 10 3 1 2 5 3...

Page 9: ...ted cover plates 600 lOOOW 3368 B E X T R A A C C E S S O R I E S a REMOTE INDICATION 1 Relay 24V Haller type 532 2 128 b FAN KI T FOR RACK MODELS 150 300W 1 Rack mounting ear right 2924 1 Rack mounting ear left 2925 1 Coolrac 88 blower set complete 037 9 2 Skin plates unperforated c FAN KI T FOR RACK MODE LS 600 lOOW 2 Rack mounting ears 3437 1 Coolrac 132 blower set complete 0377 2 Skin plates u...

Page 10: ...atic switch over The range in use is shown on the voltmeter range indicator figure 1 pos 5 d OVP Set the Overvoltage protection control figure 1 pos 7 well above the desi red output voltage but below the voltage that could damage the load Usually the calibrated scale on the panel will give sufficient accuracy For higher accuracy set the OVP to maximum and the voltage control to the desired trip ov...

Page 11: ...t heat generating conditions has to be regarded as the cooling air for RACPAC For maximum operating ambient temperatures see section 2 Specificationsi IF THE ENVIRONMENTAL CONDITIONS MENTIONED DO NOT APPLY RACPAC HAS TO BE EQUIPPED WITH AN EXTERNAL FAN See section 3P Accessories C NORMAL OPERATION D 0 0 Figure 2 0 INT 0 DO i I G The Normal Parallel switch S4 on the main PC board is in Normal posit...

Page 12: ...e minus the voltage drop in the power cables 3 The power supply voltmeter indicates the voltage at the instrument terminals not the voltage at the load E RESISTANCE PROGRAMMING D 0 0 EXT Figure 4 0 0 o When the resistance programming mode is used the output voltage is control led by an external resistor The connection procedure is as follows 1 Switch off the power 2 Set sense switch S2 to EXT and ...

Page 13: ... procedure 0 Load Remove jumper in CD and connect it to Q grey black wire 1 Set INT EXT switch at INT 0 B N 2 Connect jumper on main PC board as shov rn in figure 5 3 Connect modulating voltage to prongs B and N of the rear connector B is to be regarded as the signal input and N the common sense B to be positive with respect to N 4 Set output voltage control to maximum desired voltage 5 Now the ou...

Page 14: ...amplitude frequency curve falls 6 dB per octave At frequencies over 50 Hz the amplitude is limited by the slew rate capability MODEL SLEW RATE at 1 A 150 600 w 32 v 1000 w 32 v 150 600 w 60 v 1000 w 60 v 200 V sec 100 V sec 300 V sec 150 V sec The slmv rates as specified above apply for a mm1mum current of 1 A and 1 A bebw the value the current limit is set to The slew rate is proportional to the ...

Page 15: ...ique of controlling the power supply also makes it possi ble to vary the output voltage over the whole output voltage range with a low power signal Then the power supply acts as a DC power amplifier Maximum frequency range with high modulation amplitude typically Model B32 5R B32 10R B32 30R B60 2 5 R B60 5R B60 15R I peak max spec V peak max spec V min O V 2 Hz 2 Hz 3 Hz 0 5 Hz 1 Hz 2 Hz The modu...

Page 16: ... voltage cannot be modulated above 100 or in other words foe output voltage cannot be reversed no matte how high a modulation voltage is applied Neither should the peak output voltage exceed the maximum nominal value 4 Avoid modulating voltages giving more than 100 modulation Wher operating the power supply in the modulation mode connect the modulating voltage and the load according to figure 6 Ad...

Page 17: ... damage the load I S E RI A L O P E R A T I O N R E MO T E S E N S I N G s s s b s 0 o o 0 A A Y V V Load I Figure 9 S et sense switch at 11EXT11 If one power cable is short so that only a small voltage drop is expected in it the sensing circuit for this cable can be omitted Also refer to s ection 3D J S E R I A L O P E RA T I O N P RO G RA M M IN G s s 1 Lo ad Figure 10 15 ...

Page 18: ...L OPERATION s b s s 4 s 0 0 0 0 0 0 Load Figure 11 If higher output current is required several units can be connected in parallel Adjustment 1 Set sense switch at position IN T 2 Set all voltage controls at desired voltage 3 Set all current limit controls to approximately the same percentage of maximum and so that the sum of them is the desired current limit 4 Switch off the OVP See section 3Ad I...

Page 19: ...rallel connected power supplies are identical to these from the R AC PAC that is operating as Master Connect all RACPAC S according to figure 13 2 Set Normal Parallel switch on main PC board in postition Parallel on all Slaves Normal on Master 3 Sense switch on all RACPAC S in position EXT including Master 4 The cable from Master output to load should have same resistance same area and same length...

Page 20: ... NT WITH EXTER N A L SHUNT If the specification achieved with 11Constant current with current limit control is not satisfactory a better sw cification can be 8 chiev0d by using this method For specifications see section 2 Constant current current regulation using 4 V over external shunt D 0 Q ExrE Figure 15 0 0 ______ I O Recommended and specified voltage across the shunt is 4 V For lower voltages...

Page 21: ... controlling the current might not be satisfactory In such a case constant current programming is recommended D 0 0 EXT E Figure 16 0 Rp Also refer to section 3 N 1 Set sense switch at EXT 0 Load 2 Set voltage control at zero and control output current With 4 V maximum across the shunt R 1070 ohms for models with K 3 75 p p R 1210 ohms for models with K 3 35 p p L 11 0 with R p For more informatio...

Page 22: ... c Fig ure 17 ORDERING INFORMATION A kit consisting of boxed fan non perforated cover plates and rack mounting ears can be ordered as per RACPAC 150 300 RACPAC 600 1000 ENVffiONMENTAL CONDITIONS Coolrac 88 Coolrac 132 Maximum ambient temperature for RAC PAC with Coolrac is specified in section 2 11Rack version with fan and solid cover plates MOUNTING INSTRUCTIONS 1 Remove the two decoration strips...

Page 23: ...0 and 300 the rack mounting hole in the ear should be below the centre line Remove the plastic feet by removing the two rear screws and pulling the feet backwards out of the slot c REMOTE INDICATION If it is desirable to indicate when RACPAC switches from constant voltage to constant current mode at remote the Remote Indication option should be installed It consists of a relay Haller 532 24 V 13 m...

Page 24: ...Mounting of th e r e l ay K 1 onto th e m a in Figure 18 R 6 0 H Z O P E RA T I O N PC bo a r d When operating at 60 Hz the saw tooth generator changes its amplitude compared with 50 Hz This has to be adjusted for 1 Connect RAC PAC to a 60 Hz line 2 Connect an oscilloscope between TA and TC ground See circuit diagram section 9 and Component identification section 7 3 Adjust P53 for an 8 V p p saw ...

Page 25: ...the output current will never be excessive RAC PAC is equipped with a current limit system The output current is monitored through the resistor R70 When the voltage across R70 is higher than the voltage at the wiper arm of P93 the CL amplifier comes in through the OR gate and the Driver amplifier and controls the Series element in such a way that the voltage across R70 does not exceed a predetermi...

Page 26: ... Low pass f i l t er Figure 19 C V CC AM rang e s e l e ctor circuit 1 3 0 1 Block AM r ang e indicator lamps diagram Sam pling ele m e n t I Refe rence bridge I r 1 I I I V M range s e l e ctor c i rcuit 1 321 1 322 VM range indicator lamps OVP Reference bridge ampl ...

Page 27: ... or if the panel voltage control is accidently set to a too high value To f i r i n g c i r cu i t F i g u re 2 0 0 I v I I Figure 20 illustrates the rectifying circuit It consists of the diodes D80 and D81 and the controlled rectifiers SCRl and SCR2 The transformer may be wired for 1 10 117 220 or 240 V 60 Hz lines as is indicated on the transformer For 60 Hz operation s ee section 3R The AC fuse...

Page 28: ...as to be supplied to the Series element The the SCR s are fired earlier every half period as shown by the shadowed area in figure 2 lB By varying the firing point at each half period the mean value of the voltage to the filter and consequently the DC voltage after the filter is varied This regulation is achieved with negligible power dissipation After filtering a voltage is obtained being the mean...

Page 29: ...hould be conducting The advantage of giving continuously firing pulses as long as the thyristors should conduct is that greater reliability for firing is assured especially when the thyristors are fired in the beginning of the period or with low currants The output current is s ensed across R70 It is amplified approximately 15 times in the inverting DC amplifier T50 and T51 see figure 25 The outpu...

Page 30: ...es for a full half period The discharge is discontinued at the end of the half period when T56 opens for a short mome11t and charges C51 to th full s pply voltage iB etween test points T9 and T 10 a full wave rectified Sine wave is applied of which the zero points opens T56 The triggering circuit T53 supplies square wave pulses to the base of the blocking osoillator T5 Tith its transformer Tr50 Th...

Page 31: ...T 1 0 T9 F i g u r e 2 5 T 5 5 V R 69 4 R SO o u t p 5 2 T 7 1 c I i n e T 50 I T 5 1 f i r i n g p u l s l s R 70 ou t ...

Page 32: ...pplies a highly stable reference voltage for RACPAC The Reference bridge is stabilized by the Reference bridge amplifier This serves two purposes 1 To supply a stable current to the reference zener diode Zl 2 To supply a stable voltage 12V to other amplifiers The Reference bridge amplifier consists of a temperature compensated input stage T3 D7 a driver stage T9 and an output stage TlO The zener d...

Page 33: ...ror amplifier This increases the base current of the series regulator through the OR gate and Driver amplifier resulting in a lower voltage drop over Series regulator and the output voltage returns to the correct value The Driver amplifier increases the voltage and current gains to a sufficient level to control tht Series regulator Tl T2 is a temperature compensated pair and hence should be matche...

Page 34: ...0 increases the voltage over R70 will increase If this voltage reference voltage wiper arm P93 the output current will not increase any more This is because T5 starts conducting which decreases the current through T4 The voltage at T4c then becomes more positive T6 acts as an emitter follower causing the voltage at T8b to go positive T8 being an PNP transistor conducts less in turn reducing the ou...

Page 35: ...s RAC PAC 600 5 pcs RACPAC 1000 RACPAC 1000 B32 30R 8 pcs B 32 15R 7 pcs In order to compensate for the differences in the characteristics of the T71 s the resistors R70 are inserted Without these current sharing resis tors risk exists for overloading one of the transistors as its collector current might become too high The R71 s take the average of the voltage across the R70 s This voltage is pro...

Page 36: ...22 respecti ely The voltage divider R331 P321 Rl08 i 3 designed so that the bas e voltage of T323 is positive with respect to 11 out1 for output voltages small er than 6 5 V on 60 V models and 8 V on 32 V models This switches off T 2 3 a 1d on T322 in turn lighting 132 1 via T321 For output voltages higher than mentioned above T323 opens and l i ghts 1022 high voltage range via T324 instead When T...

Page 37: ...e amplifier changes driving the Schmitt trigger from one state to the other For low output currents T305 is conductirq lighting I301 and for high output currents T306 is conducting lighting D02 When T305 is conducting T307 is switched on shortine R105 P105 The ammeter acts as a voltmeter across R70 so for low output currents it has only R104 P104 as series resistance giving FSD for low currents Wi...

Page 38: ...n the amplifier Tll T200 giving a positive voltage to the bas e of T 201 Then the Schmitt trigger switches to the state where the CV lamp is lit Cnder CC conditions T7 is not conducting T201 is switched off and T202 on through the amplifier The CC lamp is then lit As a remote indication option the relay Kl can be inserted It is connected in parallel with the C C lamp and thus pulls under CC condit...

Page 39: ...eds the OVP limit TlOO is actuated and thyristor SCRlOO is fired The out ut is consequently short circuited If the OVP is actuated e g by abusive setting of the controls and RACPAC operates normally the power supply switches over to current limit with output voltage near zero The power supply is reset by setting the ntrols on the front panel in correct position and switching off the line If the cu...

Page 40: ...he instrument when replacing any component B FRONT PANE L CHECK The table below describes a function check which can be performed with the instrument in its cabinet without additional equipment These tests will establish that the instrument is probably operating normally A performance test is described in section 5Db 7 8 F i g u r e 34 1 Turn Voltage control 11 fully CCW and Current limit 8 fully ...

Page 41: ...pper cover Remove the blue strip marked Pull to open Cover plates are removed Bottom cover Identically removed as upper cover Now the main PC board is accessible by folding it out from the chassis by twisting three fasteners 1 4 turn Exchanging OVP fuse With RACPAC 150 and 300 this fuse is located at the right side With RACPAC 600 and 1000 it is found at the rear side D ALIGNMENT PROCEDURE In the ...

Page 42: ...hms 5 A B32 10R 0 5 ohms 10 A B32 20R 0 2 5 ohms 20 A BJ2 30R 0 2 ohms 30 A B60 2 5R 0 30 ohms 2 5 A B60 5R 0 15 ohms 5 A B60 10R 0 7 ohms 10 A B60 15R 0 5 ohms 15 A T 70 e 1 0 54 1 Connect RACPAC as shown Sense switch at INT S4 at NORMAL OVP is off 2 Set the variac for 220 V line 3 Check TC T9 Correct value 12 0 7 V 4 Connect an oscilloscope between TC and TA TC ground Adjust P53 for an 8 V p p s...

Page 43: ...age across T70 should not vary more than 0 5V 9 Set the output voltage to 22 resp 35 V on 32 resp 60 V models Set the output current to max nominal Adjust P50 for min 0 5 V influence on the voltage across T70 by line voltage variation 200 240 V Reset the voltage across T70 to 4 V resp 5 V every time P50 is changed 10 Adjust P52 for a voltage across T70 at max nominal current MODEL 32 v 60 v OUTPUT...

Page 44: ...Specification check a Close switch S and adjust the load resistor for max nominal output current Read the output voltage variation for 0 100 load see specification Load regulation b Open S Read output voltage variation for 200 222 V and 2 18 240 V line variation Repeat with S closed 100 load see specification Line regulation c Connect an A C RMS voltmeter across the output o r side grounded Read A...

Page 45: ... VTVM 5 Set the CL control to min and adjust P94 for an output current equal to min current given in the specification Current range 6 Set CL control to max nominal Adjust P92 for correct output current d METER CA LIBRATION D 0 0 0 A m m e t e r F i g u r e 3 8 M e t e r c a l i b r at i o n 0 1 lo D C Vo l t m e t e r P101 P102 P 1 0 3 V1_1ltmeter Figures within brackets refer to 60 V models CJ O...

Page 46: ... 5R 0 7 A B60 10R B32 5R 1 4 A B60 15R B60 5R 1 4 A B32 20R B32 10R 2 75 A B32 30R Adjust P301 to obtain range switching 2 75 A 4 0 A 5 0 A 8 O A 7 Decrease the current limit and calibrate the lower range of the ammeter with P104 8 Increase the current limit to max nominal and calibrate the ammeter with PlO l e OVP CALIBRATION L i n e D 0 0 GINT Fi gu r e 3 9 OV P c o nt r o l 0 df l lc b S 4 O V ...

Page 47: ...5 Turn P105 slowly CCW until the output voltage suddenly disappears 6 Set the voltage control at 25 resp 55 V Switch line off 7 Line on Increase output voltage slowly and check that it disappears at 30 resp 60 V If necessary readjust Pl05 45 ...

Page 48: ...r control setting Initial check instructions are give in this section paragraph C B PROCEDURE TO GUIDE TROUBLESHOOTING E quipment needed DC voltmeter AC voltm eter oscilloscope The troubleshooting pattern is divided into three parts Always start with Initial checks If the fault still remains locate the faulty irea with the Fault area location table Then proc eed the troubleshooting according to th...

Page 49: ... value Load regulation not according to the specification OVP fuse blown Line fuse blown Current limit unoperative Volt and ammeter with indicator lamps work incorrectly CV cc indicator OVP continuously on Does not switch on PROCEDURE Table 1 Table 2 Table 2 Tables 1 and 6 Check SCRl 2 and D80 8 1 Table 3 Replace defective lamps Table 5 Replace defective lamps Table 5 Table 6 Table 7 47 ...

Page 50: ... l T3 Voltm TG TF DC voltm out to T8c I 6 2 V 5 T9 TIO 6 2 V Z3 TI2 I I V Lower cont III Higher cont IV DC voltm 0 4 0 5 V Lower check all T71 _ out to T 7Ie Also perform table 4 Correct check T70 Also perform table 4 Voltm TG TD 9 7 11 3V Correct cont V Wrong check T3 T9 TIO Z l Voltm TG wip arm P90 red blue grey Voltm TG Tic 8 IO V Voltm TG TM 4 5 8 V Voltm TG T7e 0 7 V be low rea ding in VI Pos...

Page 51: ...ue grey Voltm TG TM 4 5 8V Voltm TM D8 O 6 V Cathode Voltm TG Tlc 0 7V bel value inV Correct cont Ib Faulty check Zl T3 T9 TlO Ammeter reading 50 check OVP table 6 Faulty check Z3 T12 Correct cont II Correct cont III Lower cont IX Correct or higher check TlO and all T71 s Lower cont IV Zero check Pl P90 and Rl Pos cont V Correct cont VI Faulty check Z2 Faulty check current limit Correct cont VII H...

Page 52: ...rent 50 i OVP off As above As above Voltm TG TF 6 2 V 5 DC voltm junc J hould tion R26 Rl71 change red green black polarity to wiper arm I when cur P93 red blac rent pas grey s es CL value Remedy Faulty check T3 T9 TIO Z l Correct cont lb Faulty check Z 3 T12 Correct cont II Faulty check P92 P93 P94 R15 Z90 Rl7 1 Correct cont III III As above Voltm TG T4c changes Faulty check T4 T5 0 6 V when CL c...

Page 53: ...I As above Oscil TC TA IV As above DC voltm TC Z51 v As above DC voltm TC T54e VI As above Oscil TB TC VII As above As above Short T53b to T53e Correct Remedy reading If blown check T52 R48 If not cont II 12V 5 Faulty check Z50 D54 57 v Correct check III 1 2 Faulty check T55 T56 Correct check IV 4 l O m S t 6 2 v Faulty check Z51 5 Correct check V 5 7 5 v Higher check T54 Correct check VI 30V tOmS...

Page 54: ... lifo The meter rsnge circuits are straigM forward so after reading the circuit description any faultfmding is simple llld need no further 11structions but Test T Voltage TK TL 22 V TK Z380 6 8 V TK Z381 13 6 V CV CC indicator Note I and II see Meter range selector circuit Also this circuit is simple and needs no detailed faultfinding instruction Test Voltage Note TF TJ 23 v Tlle Tllb 0 v cc eondi...

Page 55: ...ove but OVP 15 V 30V Test equipm Correct connection reading Voltm out 6 2 v to ZlOO 5 Voltm out b as e ap to TlOOb prox 6V Voltm out o v to TlOOc Voltm out to 6 2 V 5 Z lOO Voltm out to b ase 0 5 TlOOb 0 8V neg Remedy I Faulty check Z lOO Correct cont II Faulty check Pl05 PlOO 83 Correct cont III Faulty check TlOO Correct check 8CR 100 Faulty check Z 100 Correct cont II Pos check PlOO 83 More neg ...

Page 56: ...CRl SCR2 T30 1 T30 7 T321 T325 Z 380 Z 381 Tll T200 T202 Check Load regulation Voltage calibration Current limit Voltage stabilizing Current limit T70 T71 also check isolation transistor to chassis Aux supply voltage Firing circuit Ammeter Voltmeter Meters CV CC indicator lamps Refer to par 5Db 5Dc 5Db 5Dc 5Db par 2 5Da 5Dd par 5 8 5Db par 1 4 5Dd ...

Page 57: ...S ECTION 7 I D E NTI FICATION O F COM PON ENTS PC board 9151 See f i gu r e 45 PC b o a rd 91 58 S ee f i g u r e 46 P C board See f i g u r e 44 Fi g u r e 4 0 To p v i ew R A C PAC 300 C 90 55 ...

Page 58: ...80 C 20 4 c 207 081 C 201 C 20 5 Fig u r e 4 1 R e c t i fy i n g c i rcuit RAC PAC 3 0 0 R 200 087 080 C 204 SCR 1 O r l c 207 081 C 201 C 20 5 Fi gu r e 4 2 R e c t i f yi n g c i r c u i t RAC PAC 1 000 56 ...

Page 59: ...See f i g u r e 42 I PC board 91 51 See figu r e 45 PC board 9 1 7 9 S ee f igure 4 7 PC boar d See f igure 44 F i gu re 43 To p vi ew R AC PAC 1 0 0 0 C 8 0 C 90 57 ...

Page 60: ...gu r e 44 T B T 7 T51 TB T50 Tr 50 T53 T 6 T52 T54 Mai n P C board P104 P 1 01 P94 P 51 P 50 P 1 0 3 P 1 02 P92 91 5 4 32V m o d e l s 9 1 5 5 60V m od e l s TJ RAC PAC T202 T200 T11 P3 T201 P2 TE T6 Pl TF TB T6 T M T7 T12 TH T2 TI TlO TD T9 T S T I T4 T3 ...

Page 61: ... 2 T 3 0 5 F i g u r e 45 R 32 5 1 3 2 3 R 3 2 6 R 302 R331 R 322 R 301 P321 0 3 2 1 c 3 0 1 R 3 1 3 1 301 IT304 1 30 2 I 322 R 31 0 T 3 0 6 R 306 C302 R307 1 3 21 a T 32 5 T 322 R 33 0 R 32 3 R 324 T 32 1 R 327 R 328 T 303 T 32 4 R 31 6 R 32 0 R 329 R321 L am p i n d icator P C board 91 5 1 al l m o d e l s R A C PAC 59 ...

Page 62: ...R 70 a R 72 0 70 R 70 b R 70 c R 1 71 a R 270 a R 1 71 b R 270 b R 1 7 1 c R 2 70c F i gure 46 S e r i e s tran si sto r PC bo ard 91 5 8 R A C PAC 3 00 60 _ 1 ...

Page 63: ... R 70 f R 270 g R 1 7 1 g R 270 h R 171 h 0 70 Fi gu r e 47 Se r i es t r a n si s t o r P C b oar d 9 1 9 R AC PAC 100 0 R 2 7 0 e R 270d R 1 7 1 d f R 270 c R 1 7 1 c R 70 c R 270 b If R 1 7 1 b R 7 0 b R 1 7 1 a R 72 R 7 1 6 1 ...

Page 64: ...n the classification refer to the Oltronix transistor identification code which is found after the spare parts list When a pair of matched transistors is needed add Matched to the descrip tion When ordering parts listed below state the following information for each part a Model and serial number of the instrument b Cfrcuit reference c Type and value For parts not listed below state a Model and se...

Page 65: ... 6 Remaining parts Sub unit see above B32 5R B60 2 5R B32 10R B60 5R B32 20R B60 10R B32 30R B60 15R 1 9 154 9155 9154 9155 9154 9155 9154 9155 Part no 9 154 or 155 Part no 9156 9159 9177 9180 Part no f 151 Part no 9152 Part 3015 3665 3013 2 5 9156 3015 9157 3665 9158 3015 9159 3665 9177 3015 9178 3665 9179 3015 9180 3665 3013 in 60 V models with K 3 75 see section 3E p 6 3 ...

Page 66: ...015 Rl6 4 7k 0 13W 1 1292 MF R17 6 8k 0 13W 1 2866 MF R18 4 7k 0 13W 1 1292 MF R19 39k 1035 R20 8 2k 0 13W 1 2867 MF R21 lk 1016 R23 330k 1046 R24 6 8k 0 13W 1 2866 MF R26 lk 1016 R27 47k 1036 R28 47k 1036 R29 2 7k 1021 R30 22k 1032 R31 100 1004 R32 150 1006 R34 2 2k 1020 R40 lOOk 1040 R41 68k 1038 R42 33k 1034 R43 lk 1016 R44 100 1004 R45 2 7k 1021 R46 8 2k 1027 R47 2pcs 820 1015 R48 GA24 1314 Va...

Page 67: ...5 15k 1030 R116 180 1007 R117 47 1002 R118 lOk 1028 CAPACITORS c 1 4 7 uF 25V 1415 Tan c 2 4 7 uF 25V 1415 Tan c 3 2 2 nF lOOV 2875 MP c 4 1 5 nF lOOV 2874 MP c 5 47 pF 500V 2873 Cer c 6 47 pF 500V 2873 Cer c 7 0 02 uF lOOV 1398 MP v 8 47 pF 500V 2873 Cer C EO 0 0 1 uF lOOV 1397 MP c 5 1 0 1 uF lOOV 1394 MP c 52 22 uF 25V 2871 EMC c 53 10 uF 64V 1478 EMC c 54 500 uF 35V 1517 EMC c 81 0 033 uF 400V...

Page 68: ...78B BC108B 2N403 7 BC 178B 2N3053 BC178B BC108B 2N4037 BC178B BC108B BC108B BCl78B 2N430 7 BC 108B BC108B BC108B 1S921 1S921 1N4003 1S921 1N4003 1N4003 1S921 2p 2W PT2 Part no 2363 2861 2363 2861 2930 2862 2861 1606 2862 1569 2862 286 1 1604 2862 2861 2861 2862 1604 286 1 2861 2861 1667 1667 1668 1667 1668 1668 1667 2882 2883 3001 Type Matched Si Matched Si Si Si Si H50 Si H50 Si Si LlOO Si Si Si ...

Page 69: ... Pl02 2 5k 1 5W 2937 WW Pl03 lOk 1 5W 2879 WW Pl04 100 1 5W 2876 WW Pl05 lk 1 5W 2878 WW 2 PRINTED CffiCUIT BOARD 9155 60 v models Unless otherwise specified all resistors are 0 25W carbon and 10 R 1 1 8k 0 13W 1 1286 MF R 2 lk 1016 R 5 g2k 1039 R 6 lOOk 1040 R 7 82k 1039 R 8 lOOk 1040 R 9 1 5k 1018 RIO 5 6k 0 13W 1 2865 MF Rll 100 1004 R12 lk 1016 Rl3 lOk 1028 R14 330 1010 when Z1 white 390 1011 ...

Page 70: ...012 R56 330 1010 R57 100 1004 R58 100 1004 R 55 2 2k 1020 R60 2 2k 1020 R61 3 3k 1022 R61A 3 3k 1022 R62 lOk 1028 R63 lk 1016 R64 680 1014 R65 lOOk 1040 H66 560k 1049 R6 7 lOOk 1040 R68 180k 1043 w9 27k 1033 aso 68k 1038 Rd l 220k 1044 R82 47 1002 R83 220k 1044 RlOO 650 1014 Rl H 680 o 1 1 2375 MF RJ O 100 1004 R 1 03 3 3k 1022 u n rn 0 13W i 1280 MF RJO 180 0 13W J 128 1 MF Rl06 56k O 13W 1 2869 ...

Page 71: ...4V 1478 EMC c 54 500 uF 35V 1517 EMC c 8 1 0 033 uF 400V 1387 MP c 82 1000 uF 35V 1519 EMC c 83 500 uF 35V 1517 EMC c 85 0 68 uF 250V 1405 MP c 91 0 68 uF 250V 1405 MP ClOO 100 uF lOOV 1492 EMC ClOl 0 1 uF 400V 1389 MP Cl03 15 uF 12V 2870 EMC C104 0 0 1 uF lOOV 1397 MP 06 1 uF 250V 293 8 MP MISCELLANEOUS S4 2p 2W 2882 Tr50 PT2 2883 I spare 3001 Lamp TRANSISTORS Tl T2 BC10 9 C 2363 Matched T3 BC108...

Page 72: ...1 1667 Si D82 D85 1N4003 1668 Si D86 D89 1N4003 1668 Si D200 1S921 166 7 Si ZENER DIODES Z l 1N823 1677 Si Z2 Z3 ZF5 6 1N752A 1686 Si zso ZD12 IZ12T5 J 698 Si Z51 ZF6 2 IN7f 3A 2758 Si Z90 ZF5 6 JN752A 1686 Si ZlOO ZF6 2 IN 753A 2758 Si POTENTIOMETERS Pl 250 l 5W 28 1 1 VW P2 25k 0 25 V 2880 Car P3 5k 0 25 V 2880 Car P5 l OL 1 5W 2879 WW P51 lQOk 0 25W 238 1 Car Pl32 25k 0 25W 2880 Car P53 lOOk 0 ...

Page 73: ...R70A B 0 4 lW 2 R71 470 0 25W 10 R72 27 0 25W 10 Rl71A B 10 0 25W 10 R270A B 10 0 25W 10 5 PRINTED CIRCUIT BOARD 9 158 DIODES D70 1N4003 RESISTORS R70A C 0 15 lW 5 R71 470 0 25W 10 R72 2 7 0 25W 10 Rl7 1A C 10 0 25W 10 R270A C 10 0 25W 10 Part no Type 1668 Si 2969 WW 1012 Car 2949 Car 100 1 Car 1001 Car 1668 Si 2979 WW 1012 Car 2949 Car 100 1 Car 100 1 Car 1668 Si 2967 WW 1012 Car 2949 Car 1001 Ca...

Page 74: ...0 1001 Car 7 PRINTED CffiCUIT BOARD 9177 DIODE D70 1N4003 1668 Si RESISTORS R70A J 0 25 5W 5 2970 WW R71 470 0 25W 10 1012 Car R72 27 0 25W 10 2949 Car R171A E 10 0 25W 10 1001 Car R270A E 10 0 25W 10 1001 Car 8 PRINTED CffiCUIT BOARD 9178 DIODE D70 1N4003 1668 Si RESISTORS R70A E 0 25 5W 5 2970 WW R71 470 0 25W 10 1012 Car R72 27 0 25W 10 2949 Car R171A E 10 0 25W 10 1001 Car R270A E 10 0 25W 10 ...

Page 75: ... H 10 0 25W 10 100 1 Car 10 PRINTED CIRCUIT BOARD 9180 DIODE D70 1N4003 1668 Si RESISTORS R70A G 0 25 5W 5 2970 WW R70A G 33 lW 2 3093 WW R71 470 0 25W 10 1012 Car R72 27 0 25W 10 2949 Car R 73 100 0 25W 10 1004 Car IU7 1A G 10 0 25W 10 100 1 Car H270A G 10 0 25W 10 1001 Car CAPACITORS C70 0 02uF lOOV 1398 MP 11 PRINTED CIRCUIT BOARD 9151 ALL MODELS RAC PAC CAPACITORS C301 C302 0 01 uF lOOV 4 7 uF...

Page 76: ...07 T321 T322 74 100 0 05W lOk 0 05W specified all 6 8k lk 1 2k 2 7k 5 6k lOk 15k 180 15k 47 lOk 180 1 5k 1 5k 820 560 27k V O 4 70 3s 3k 3 3k 4 k 0 13W 47k 3 3k 3 31 1 80 22k 3 3k BC l78B BC 108B BC178B BC108B BC 178B Part no Type 1667 166 7 1347 1350 resistors are 1026 1016 10 17 102 1 1025 1028 1032 1007 1030 1002 1028 1007 1018 10 18 1015 10 13 1033 1007 1012 1022 1022 1 1292 1036 1022 1022 100...

Page 77: ...322 24V 30mA 3001 Lamp 12 PRINTED CIRCUIT BOARD 9152 ALL MODE LS RAC PAC Rl08 1100 101 13 VOLTAGE 32 V units 60 V units 5 6k SW 24V 30mA CONTROL UNITS 60 V units with Kp 3 75 see section 3E 14 MODEL B 32 5R REMAINING CONNEC TORS Rear MS3102A 20 27S Cable MS3106B 20 27P DIODES D80 409D D81 409D D87 409D D90 409D 1246 3001 3015 3665 3013 PARTS 1781 1786 2954 2954 2954 2954 WW Lamp Si Si Si Si 75 ...

Page 78: ...00 pF 500V 1 uF 250V 0 1 uF 250V 2N31 55 2N3C55 D106 T16 1 ITT TRANS FS R MEF Drl PTl 1 i JF3 F F2 9 EK F o v A F llOV 4l F FE P F 2 5A t p J _ L e _1 c r r Y NT O I 12T r i P30 lOk 2W 5 P93 lk 2W 10 PlOO lOk 2W 10 76 2946 HP 2934 EMC 1459 E M 1482 BMC 2938 l i 2938 l 2935 dka 9 8 MT 29116 MF 1532 H 75 1532 H75 3002 3003 3659 019 ho c e 983 l i 987 slow 2019 h lder F O fast 1 l l lOV 3 23 JO brn 1...

Page 79: ...ea r Catte DIOD C 3 D O D81 D37 D90 CAPACITORS C30 C80 C90 C 102 C200 201 C203 C204 205 C207 C208 209 MS3 IC2A 20 2 7S MS 3 10CB 20 27P 409D 4 0rD 4GfiD 409D o 1 uF 250V 5000 uF lOOV 3200 uF lOOV 100 uF lOOV 1 uF 250V 1 uF 250V 4700 pF 500V 1 uF 250V 0 1 uF 250V 1 78 1 1786 2954 2954 2954 2954 2946 2936 1521 1492 2938 2938 2935 2938 2946 Type Car top gle toggle Si Si Si Si MP EMC El TC EMC MP MP M...

Page 80: ...3660 FUSES Fl FEP FEK 2019 holder F1 220V 1 5A 198 1 slow Fl llOV 3A 1985 slow F2 FEP FEK 2019 holder F2 3A 1986 fast LAMP Line SGF9G red 2001 llOV roTENTIOMETERS P90 20k 2W 5 3024 10 turn P93 lk 2W 10 1325 WW PlOO lOk 2W 10 2955 WW Sw THYRISTORS SCRl BTY87 200R 2940 S CR2 BTY87 200R 2940 S CRlOO BTX81 100R 3035 RESISTORS R200A B 33 0 33W 5 1072 Car 7 8 ...

Page 81: ...409D 2954 CAPACITORS C30 O I uF 250V 2946 C80 A B 10000 uF 64 70V 2934 C90 5000 uF 64V I459 C I02 IOO uF IOOV 1492 C200 C20I 1 uF 250V 2938 C203 1 uf 250V 2938 C204 C205 4700 pF 500V 2935 C207 1 uF 250V 2938 208 C209 o 1 uF 250V 2946 TRANSISTORS T lO 2N3055 1532 T71A C 2N3055 1532 CHOKE COIL Dr2 Dl07 3029 TRA NSFORMER Tr80 T149 3026 Type toggle toggle Si Si Si Si MP EMC EMC EMC M P M P Mica MP MP ...

Page 82: ...Ok 2W 5 3023 P93 lk 2W 10 1325 PlOO 1 0k 2W 10 2955 THYRISTORS S CRl B l YiH lOOH 2941 SCR2 BTY91 10QR 2941 SCRlOO BTY91 100R 2941 RESISTORS R200A B 33 0 33W 5 1072 SWITCHES S l 2 pos lW 2963 S2 2 pos lW 2964 17 MODE L B60 5R RE NIAINING PARTS C ONNECTORS Rear Cable HO MS3102A 20 27S MS3106B 20 27 P 178 1 1786 Type holder slow slow holder fast llOV 10 turn WW WW Sw Car toggle toggle ...

Page 83: ...2 n c201 1 uF R2 2938 MP C OJ J uF 2soy 293e MP C204 C 205 1 700 pF 5007 2935 Mica C 07 1 uF 250V 2903 MP c 08 f 09 0 1 uF 250V 2346 MP T ANSISTORS T7fl 2N3442 1653 H75 T71A C 2l f3442 1653 H75 c JKE COIL Gr 2 Dl0 7 3029 TRANSFORMER TrSO T149 3026 PVISE TR A NSFORMER Drl l Tll 3660 FUSES Fl FEP FEK 2019 holder F1 220V 4A 1987 slow Fl llOV SA 1992 slow F2 FEP FEK 2019 holder F2 SA 1P90 fast LAMP Li...

Page 84: ... toggle 82 2 pos lW 2964 toggle 18 MODE L B32 20R REMAINING PARTS CONNECTORS Rear MS3102A 20 27S 178 1 Cable MS3106B 20 27P 1786 DIODES D80 419B 3063 Si D81 419B 3063 Si D87 419B 3063 Si D90 419B 3063 Si CAPACITORS C30 0 1 uF 250V 2946 MP C80 A D 10000 uF 64 70V 2934 EMC C90 5000 uF 64V 1459 EMC C 102 100 uF lOOV 1492 EMC C200 C201 1 uF 250V 2938 MP C203 1 uF 250V 2938 MP C204 C205 4700 pF 500V 29...

Page 85: ...l2 3661 FUSES Fl FE P FEK 2019 holder F1 220V 7 5A 3068 slow Fl llOV lOA 3069 slow F2 FEP FEK 2019 holder F2 20A 366 1 fast LAMP Line SGF9G red 2001 llOV POTENTIOMETERS P90 lOK 2W 5 3023 10 turn P93 lK 2W 10 1325 WW PlOO lOK 2W 10 2955 WW Sw THYRISTORS SCRl BTX81 100R 3035 SCR2 BTX81 100R 3035 SCRlOO BTX8 1 100R 3035 RESISTORS R200A B 33 0 33W 5 1072 Car 83 ...

Page 86: ... 419D 3425 CAPACITORS C30 0 1 uF 250V 2946 C80 A D 5000 uF lOOV 2936 C90 3200 uF lOOV 152 1 C102 100 uuF lOOV 1492 C200 C201 1 uF 250V 2938 C203 1 uF 250V 2938 C204 C205 4700 pF 500V 2935 C207 1 uF 250V 2938 C208 C209 0 1 uF 250V 2946 TRANSISTORS T70 2N3442 1548 T71A E 2N3442 1548 CHOKE COIL Dr2 Dl05 3369 TRANSFORMER Tr80 Tl60 3371 84 Type toggle toggle Si Si Si Si MP EMC EMC EMC MP M P MP M P M P...

Page 87: ...0K 2W 5 3024 P9 lK 2W 10 1325 PlOO lOK 2W 10 2955 THYRISTORS SCRl BTY91 200R 2945 SCR2 BTY91 200R 2945 SCRlOO B TX81 100R 303S RESISTORS R200A B 33 0 33W 5 1072 SWITCHES 81 2 pos lW 2963 82 2 pos lW 2964 20 MODEL B32 30R REMAINING PAR1S CONNECTORS Rear Cable MS3102A 20 27S MS3 106B 20 27P 1781 1786 Type holder slow slow holder fast llOV 10 turn WW WW Sw Car toggle toggle 8 5 ...

Page 88: ...V 1492 EMC C200 C201 1 uF 250V 2938 MP C203 1 uF 250V 2938 MP C204 C205 4700 pF 500V 2935 Mica C207 1 uF 250V 2938 MP C208 C209 0 1 uF 250V 2946 MP TRANSISTORS T70 2N3055 1532 H75 T71A H 2N3055 1532 H75 CHOKE COIL Dr2 Dl08 3590 TRANSFORMER Tr80 T165 3589 PUISE TRANSFORMER Drl PT12 366 1 FUSES Fl 220V lOA 3069 slow Fl llOV 20A 3072 slow Fl 20A 3074 fast Fl F2 L1744 306 7 holder LAMP Line SGF9G red ...

Page 89: ...2 pas lW 2964 toggle 2 1 MODEL B60 15R REMAINING PARTS CONNE CTORS Rear MS3102A 20 2 7S 1781 Cable MS3 106B 20 27P 1786 DlODES D80 L119D 3425 Si D8 1 419D 3425 Si D87 419D 3425 Si D90 419D 3425 Si CAPACITORS C30 0 1 uF 250V 2946 MP C80 A E 5000 uF lOOV 2936 EMC C90 A B 3200 uF lOOV 1521 EMC C l02 100 uF lOOV 1492 EMC C200 C201 1 uF 250V 2938 MP C203 1 uF 250V 2938 MP C204 C205 4700 pF 500V 2935 Mi...

Page 90: ...l 220V lOA 3069 slow Fl l lOV 20A 3072 slow F2 15A 3071 fast Fl F2 L1744 3067 holder LAMP Line SGF9G red 200 1 l lOV POTENTIOMETERS P90 20K 2W 5 3024 10 turn P93 lK 2W 10 1325 WW PlOO lOK 2W 10 2955 WW Sw THYRISTORS SCRl B TX81 200R 3580 S CR2 B TX81 200R 3580 S CRlOO B TX81 100R 3035 RESISTORS R200A B 33 0 33W 5 1072 Car SWITCHES Sl 2 pos lW 2963 toggle S2 2 pos lW 2964 toggle ...

Page 91: ...er which a classification mark is applied This mark is a letter number combination on the power transistors and a colour dot on the smaller transistors The letter indicates high H o r low L current gain The number shows the maximum working voltage The te t conditions are Test Current gain Voltage Power transistors T0 3 arid T0 36 I 2A c V CE lOV High if h FE 50 Low if h FE 50 Other transistors To ...

Page 92: ...nd brown H50 Green H l25 Black and red H65 Blue L150 Silver and yellow L75 White H150 Black and green H75 Violet L175 Silver and white H175 Black and violet Colour code for wiring is b blue 1 violet bl black 0 orange b r brown r red g green w white gr grey y yellow E g an orange black wire is indicated as o bl 90 ...

Page 93: ... _ _ _ _ _ _J r 1 I 1 1100 I L I I I R55 R52 R51 R6fi 1 70 JJM JlK 560K coo L 0 0 OVER VOLT PROTECTION FUS f 32V 60V Pto lJK 101 Rl01 l 5K UO R1J6 2711 5WI RJ01 UK UM 1 S11f 70of IUO JJK HI Q85 only 860 ISA 0 1 0 tOHF 10 uupl 1n OO W C 8lZ IOR ond BMl R I UHFlO I RJ11 Cl LTRONIX I I I I I 1 1 I I I I I I I I I 4i g A 1 C 2 REGULATED POWER SUPPLY RACPAC 150 1000 194 72 1 ...

Page 94: ... wh ich prove to be defective during the warranty period We are not l iab le for consequential damages For assistance of any k ind including help w ith instruments u nder warranty contact nearest Oltronix factory or representative for instructions Give ful l detai l s of the diffeculty and include the instrument model and serial number There will be no charge for repair of instruments u nder warra...

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Oltronix Racpac 1000, Operating And Service Manual

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