Oltronix Racpac 300 Operating And Service Manual Download Page 90 | Manualshive

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background image

Po.s

Value

Part no

Type

TIL\NSISTORS

TIO

2N3773

358 1

Power

Tl lA-G

2N3773

358 1

Power

CHOKE

COIL

Dr2

Dl08

3590

TRANSFORMER

Tr80

T165

S58 9

PU LS E

TRANSFORMER

Drl

PT12

366 1

FUSES

Fl (220V)

lOA

3069

slow

Fl ( l lOV)

20A

3072

slow

F2

15A

3071

fast

Fl-F2

L1744

306 7

holder

LAMP

Line

SG F9G red

200 1

l lOV

POTENTIOME TERS

P90

20K

2W

5%

3024

10-turn

P93

lK 2W

10 %

1325

WW

PlOO

lOK

2W

1 0 %

2955

WW

+

Sw

THYRIS TORS

S CR l

B TX8 1-200R

3580

S CR2

B TX8 1-200R

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

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Summary of Contents for Racpac 300

Page 1: ...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 7...

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

Page 3: ...g 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...

Page 4: ...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 bo...

Page 5: ...ct 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...

Page 6: ...use 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 term...

Page 7: ...e 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...

Page 8: ...ge 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 t...

Page 9: ...ed 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 mountin...

Page 10: ...tic 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 t...

Page 11: ...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 A...

Page 12: ...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...

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 pron...

Page 14: ...mplitude 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...

Page 15: ...que 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 Ma...

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 maximu...

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 voltag...

Page 18: ...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 contr...

Page 19: ...allel 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 postiti...

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 specific...

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...

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 Coolra...

Page 23: ...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...

Page 24: ...ounting 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...

Page 25: ...he 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 voltag...

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 rc...

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 an...

Page 28: ...s 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...

Page 29: ...ould 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 fire...

Page 30: ...s 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 fu...

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: ...plies 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 dio...

Page 33: ...or 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...

Page 34: ...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 cur...

Page 35: ...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 curr...

Page 36: ...2 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 3...

Page 37: ...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 T3...

Page 38: ...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 switche...

Page 39: ...ds 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 th...

Page 40: ...e 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 t...

Page 41: ...per 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 t...

Page 42: ...ms 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 s...

Page 43: ...ge 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 acr...

Page 44: ...pecification 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...

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 curren...

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 ra...

Page 47: ...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...

Page 48: ...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 patt...

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 continuousl...

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...

Page 51: ...e 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 C...

Page 52: ...ent 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 Fault...

Page 53: ...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...

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 Z3...

Page 55: ...ve 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...

Page 56: ...Rl 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...

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: ...0 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...

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: ...u 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 P...

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...

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...

Page 64: ...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 ord...

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...

Page 66: ...15 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...

Page 67: ...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 287...

Page 68: ...8B 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...

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...

Page 70: ...12 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 27...

Page 71: ...V 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...

Page 72: ...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...

Page 73: ...70A 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...

Page 74: ...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...

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 2...

Page 76: ...7 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 BC178...

Page 77: ...22 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...

Page 78: ...0 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 P...

Page 79: ...a 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 u...

Page 80: ...660 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...

Page 81: ...09D 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 250...

Page 82: ...k 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...

Page 83: ...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 C...

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...

Page 85: ...2 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...

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 250...

Page 87: ...K 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 29...

Page 88: ...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 H7...

Page 89: ...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 CAPA...

Page 90: ...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...

Page 91: ...r 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 gai...

Page 92: ...d 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...

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 86...

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 Oltro...

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