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Tektronix 175, Руководство пользователя

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Resistors 

(continued)

Tektronix

Part

 

Number

R440

1 k

’/

2

 

w

302-102

R443

101-8029

680

 k

'/

2 

w

5%

301-684

R443

8030-up

470

 k

y

2

 

w

301 

-474

R444

200

 k

y

2

 

w

5%

301

 

-204

R445

3.3

 

meg

’

/

2 

w

302-335

R446

300

 k

’/

2 

W

Prec.

1%

309-125

R447

60

 k

y

2 

w

Prec.

1%

309-041

R448

300

 k

y

2 

w

Prec.

1%

309-125

R450

1 

k

y2

 

w

302-102

R453

101-8029

680 k

y

2 

w

5%

301

 

-684

R453

8030-up

470 k

y

2

 

w

5%

301-474

R454

200 k

y

2 

w

5%

301-204

R455

101-6629

47 k

y2

 

w

302-473

6630-up

100

 k

'/

2

 

w

302-104

R456

101-6629

5k

2

 

w

Var.

Comp.

D.C. 

BAL.

311-011

R456

6630-up

10k

Var.

Comp.

D.C. 

BAL,

311-191

R457

101-6629

47

 k

y2

 

w

302-473

R457

6630-up

100

 k

y

2

 

w

302-104

R458

101-6629

22

 

k

y

2 

w

302-223

R458

6630-up

10k

y

2

 

w

302-103

R459

200

 

k

.1 w

Var.

Comp.

Diff.

 Bal.

311-106

R460

1 k

y

2 

w

302-102

R461

47

 k

y

2

 

w

302-473

R464

101-8029

33 

k

y

2

 

w

302-333

R464

8030-up

120

 k

y

2

 w

302-124

R466

101-8029

68

 

k

2

 w

306-683

R466

8030-up

82

 k

2

 

w

306-823

R470

1 

k

y

2 

w

302-102

R474

101-8029

33

 k

y

2 

w

302-333

R474

8030-up

120

 

k

y

2

 w

302-124

R477

101

-8029X

15k

y

2

 

w

302-153

R479

X8030-up

120

 k

y

2 

w

302-124

R480

101-8029

1 

k

y

2

 

w

302-102

R480

8030-up

120

 k

y

2

 

w

302-124

R481

101-8029

1 

k

'/

2

 

w

302-102

R481

8030-up

120

 k

y

2 

w

302-124

R482

X8030-up

120

 k

y

2 

w

302-124

R484

30

 

k

8

 

w

WW

5%

308-105

R485

30

 k

8

 

w

WW

5%

308-105

R487

30

 k

8

 

w

WW

5%

308-105

R490

800 

k

y

2

 

w

Prec.

1%

309-110

R491

101-1279

100

 

k

'/2

 w

Prec.

1%

309-045

1280-1351

78

 

k

y

2 

w

Prec.

1%

309-168

1352-up

100

 

k

y

2 w

Prec.

1

 °/o

309-045

R493

250 k

2

 

w

Var.

Comp.

Min 

Gain 

Adj.

Use

 

311-032

R495

800

 k

’/

2

 

w

Prec.

1%

309-110

R496

150

 k

'/

2 w

Prec.

1%

309-049

R498

101-1279

100

 

k

’

/

2 

w

Prec.

1%

309-045

1280-1351

78 k

'/

2 w

Prec.

1%

309-168

1352-up

100

 k

’/

2 w

Prec.

1%

309-045

R601

50

 

Q

Var.

WW

SCALE 

ILLUM.

311-055

R603

270 k

1

 

w

304-274

R604

33

 k

'/

2 w

5%

301

 

-333

@®1

PARTS

 

LIST

 

—TYPE

 

575

8-9

Содержание 175

Страница 1: ...INSTRUCTION MANUAL Tektronix Inc S W Millikan Way P O Box 500 Beaverton Oregon Phone Ml 4 0161 Cables Tektronix 070 255 ...

Страница 2: ...y to the field there fore all requests for repairs and replace ment parts should be directed to the Tek tronix Field Office or Representative in your area This procedure will assure you the fastest possible service Please include the instrument Type and Serial number with all requests for parts or service Specifications and price change priv ileges reserved Copyright 1960 by Tektronix Inc Beaverto...

Страница 3: ... 1 Specifications Section 2 Operating Instructions Section 3 Circuit Description Section 4 Maintenance Section 5 Recalibration Section 6 Type 175 Section 7 Accessories Section 8 Parts List and Circuit Diagrams TYPE 575 ...

Страница 4: ...VWTICM OINltAlO TRANSISTOR CUM TRACfR UB l COUlClO r hokizoniai VCKIJ O lUnK Hix M Type 575 z ...

Страница 5: ... base current or base source volts with sensitivity read from step selector switch 3 Horizontal Display Plot collector voltage from 01 volt div to 20 volt div 3 in 11 calibrated steps Plots base voltage from 01 volt div to 5 volt idv 3 in 6 calibrated steps Plots base current or base source volts with sensitivity read from step collector switch 3 Other Features Comparison switch permits rapid manu...

Страница 6: ...NOTES ...

Страница 7: ...rument is shown in Fig 2 2 Notice the front panel is in two colors red and blue Those parts of the panel etched in red refer to the Collector voltages and currents and those parts etched in blue refer to the Base voltages and currents However when testing a transistor in the common base configuration the emitter is stepped with voltage or current in this case the blue print ing on the front panel ...

Страница 8: ...e of de balance between both sides of the Vertical Amplifier This prevents the display from shifting vertically as the input sensitivity of the amplifier is changed in either the COLLECTOR MA or BASE VOLTS or EMITTER VOLTS range The AMPLIFIER CALIBRATION switch is used to check the gain setting calibration of the Vertical Amplifier In the ZERO CHECK position both grids of the Input Amplifier aro g...

Страница 9: ...0 200 position the voltage is variable between zero and 200 volts The POLARITY switch determines whether posi tive going or negative going sweeps are applied to the col lector The DISSIPATION LIMITING RESISTOR switch con nects one of the indicated resistance values in series with the collector to limit the collector dissipation and thereby protect the transistor from excessive power dissipation Th...

Страница 10: ...ded switch is depressed The low duly cycle in this position of the switch will permit the operator to test a transistor beyond its ratings without damage Another switch is provided for grounding the transistor in put for a ZERO VOLTAGE check or for opening the transis tor input for a ZERO CURRENT check The STEP ZERO control adjusts the starting point of the current or voltage steps Transistor Test...

Страница 11: ... on 2 The POWER switch is turned ON so that the instru ment can be warming up while it is being set up for use Test Panel 3 The Configuration switch is set to the EMITTER GROUNDED position if a common emitter configura tion is desired 4 The Comparison switch TRANSISTOR A TRANSISTOR B is set to the center position this prevents the appli cation of any voltage or current to the transistor socket Col...

Страница 12: ... the Comparison switch in the TRANSISTOR A position Ad just the INTENSITY and POSITION controls for a crt indica tion near the upper right corner of the graticule for PNP or lower left corner for NPN At this time each of the controls mentioned in the front panel set up can be adjust one posi tion at a time until a suitable display is obtained on the crt As soon as an indication of a collector fami...

Страница 13: ...ne of the graticule Now release the ZERO CURRENT switch and adjust the STEP ZERO control so that the top line of the display intersects the vertical center line of the graticule at the same place Applying Voltage Steps to the Transistor Input The control settings used in this display are the same as for the previous display except for the following SERIES RESISTOR 1 ohm STEP SELECTOR 02 VOLTS PER ...

Страница 14: ...he steps occur at the beginning or at the end of each curve SERIES RESISTOR This switch functions only when the STEP SELECTOR switch is in the VOLTS PER STEP position It per mits the simulation of the source impedance of the circuit in which the transistor under test is to be used The SERIES RESISTOR may also be used as a protective device to limit the current that might otherwise be inadvertently...

Страница 15: ...ons used to check the ZERO position and the calibration of the horizontal amplifier DC BAL This control adjusts the tube current balance in the direct coupled horizontal amplifier to permit changing of the amplifier sensitivity without changing the position of the display Test Panel TRANSISTOR A TRANSISTOR B A three position switch which in either outside position connects the two binding posts an...

Страница 16: ...g Instructions Type 575 Collector Family Collector Family 2N407 PNP junction transistor Alr Beta 0 h e hFE Alb Inverted Collector Family 2N407 PNP junction transistor Reverse current transfer ratio h C hfC 2 10 ...

Страница 17: ...tor voltage and low collector current Collector Family External capacity added 2N407 PNP junction transistor The added capacity increases the modulation of the base current this effect is amplified by the transistor Collector Family Saturation region 2N407 PNP junction transistor Collector Current Collector Current Collector Current Saturation voltage VCE SAT at specified lb and lc Saturation resi...

Страница 18: ...ating Instructions Type 575 Collector Family Room temperature 75 F 2N407 PNP junction transistor 20v Collector Volts 0 Above transistor at temperature of 150 F Note increase in leakage current and Beta 2 12 ...

Страница 19: ...collector to emitter Collector Current lCE lCEO lets BVCE BVCEO BVcer BVces 2N407 PNP junction transistor the resistance should be specified when measuring BVcer Breakdown Voltage base to emitter Emitter Current lEO IEbo Alpha Curve a h21b hfb hPB 2 13 ...

Страница 20: ...ype 575 65 FE Forward Current Transfer Ratio Beta fj h21e Note Beta higher currents at Alr decreases Alb 1 OOma Input Impedance h11e hie 1 ma Input Impedance h11b hib 2N407 PNP junction transistor l 2ma Emitter Volts A A 2 14 ...

Страница 21: ...junction transistor 50 Collector Base Volts 0 Output Admittance h22e hoe 2N407 PNP junction transistor re Voltage Feedback Ratio 2N407 PNP junction transistor 50v o Collector Emitter Volts It _ 0 02 ma hr l d xlC 4 J rr rn 08 ma ma Base Volts Collector Current 0 2v 2 15 ...

Страница 22: ...Instructions Type 575 Voltage Feedback Ratio h12b hrb 2N407 PNP junction transistor Collector Base Volts O lv 0 1v o E UJ Reverse Transfer Resistance r12e 2N407 PNP junction transistor 2 ma Collector Current 2 16 ...

Страница 23: ...Floating Potential X Philco surface barrier transistor 20v Collector Base Volts 0 f VPT L I Emitter Base Volts Note Punch through rarely occurs before BVCE VtB is the floating potential Back Biased NPN in Avalanche Mode f 5ma Collector Emitter Volts 2N212 NPN junction transistor This is a very fast breakdown as opposed to normal 50v Zener breakdown 1 2 17 ...

Страница 24: ...thout light TI 800 photodiode Phototransistor with and without light 2N469 phototransistor Tetrode NPN Effect of InterBase Bias 3N37 NPN tetrode transistor External Battery and Resistor Collector Volts 1 Note the reduction in Beta with interbase bias 2 18 ...

Страница 25: ...Operating Instructions Type 575 Zener or Reference Diode Reverse Biased Transitron SV 1 1 lOma Zener or Reference Diode Forward Biased Transitron SV 1 1 1 Oma Voltage Regulator Tube NE 2 2ma 2 19 ...

Страница 26: ...NOTES ...

Страница 27: ...tifies the 60 cycle line volt age full wave circuit to produce 120 sweeps per second for the collector of the transistor under test The primary voltage of T702 is variable from 0 to 140 volts rms by the variable autotransformer T701 PEAK VOLTS control The secondary of T702 provides output voltages up to 20 volts and 200 volts peak depending on the setting of the PEAK VOLTS control and the PEAK VOL...

Страница 28: ...qual amplitude steps the capacitor charging current and hence the voltage across the resistor must be kept constant The diagram of Fig 3 3 shows a method of achieving this end It is called the Miller integrator With the switch in position 1 the plate of the pentode is at 100 volts the quiescent output voltage and the charge on Cl77 is 101 5 volts When the switch is moved to position 3 C177 charges...

Страница 29: ... at the grid of V171 Repetitive Triggering The circuit of Fig 3 5 is used to show the operation of the Schmitt Trigger and the Hold Off Cathode Follower Their action provides a repetitive display since they cause C 177 to be discharged and then permit the formation of steps to proceed again in the same manner as described previously For our purposes we think of the Schmitt Trigger as a voltage act...

Страница 30: ...ingle Family Triggering On the circuit diagram of the Step Generator notice the section of switch SW145 which is shown near C143B In the OFF position of SW145 a voltage divider formed by R184 and R186 fixes the grid voltage of V155A to keep it in con duction As a result V155B is cutoff disabling the Staircase Generator The display of a single family of curves requires that the Schmitt trigger chan...

Страница 31: ...2 recharges through diode V172B as the input pulse returns to 150 volts The voltage across Cl 77 increases 15 volts with each transfer of charge The action of the Miller integrating circuit causes this voltage increase to appear at the top of Cl77 The volt age at the bottom of C177 remains almost constant Between pulses C177 has no discharge path and the volt age at the output of the Step Generato...

Страница 32: ...ans of the STEP SELECTOR switch 3 It provides either a positive going or a negative going output waveform Figure 3 8 illustrates the role of the Step Amplifier in pro viding either voltage or current steps to the input of PNP transistor The two positions shown on SW246 the STEP SELECTOR switch correspond to the volts per step and ma per step ranges The Step Amplifier consists of three functional u...

Страница 33: ...put signal The average value of the output voltage may be set to zero by proper biasing of the input Fig 3 10 shows how an out of phase signal centered around ground can be obtained with the same general configuration Note that only the ground point has been moved The tran sistor is no longer operating as an emitter follower but as an ordinary voltage amplifier The 100 ohm resistor is now the coll...

Страница 34: ...gh the load in both circuits was always through the upper battery the upper battery must be able to deliver more current than that which is required of the lower one The drawing of Fig 3 11 shows the electron current flow through the circuit components as the Step Generator drives a load resistance in the negative direction The lower battery supplies only the current which flows through the 100 oh...

Страница 35: ...ection as the voltage at the lower end To accom plish this action the 1 Amplifier and the feedback loops couple any voltage change at the lower end of R246 to the difference amplifier V214 V224 which in turn through the cathode follower V233A and the output amplifier V243 V253 produces the same voltage change at the top of R246 Fig 3 13 shows the circuit configuration when the POLARITY switch is s...

Страница 36: ...pendent of tube characteristics and is determined almost entirely by the ratio of R273 to R274 R275 The resistance values in the divider are chosen so that the change in voltage at the top of R275 is the same as that at the grid of V254 the lower end of R246 This positive going voltage at the top of R275 is then applied to the grid of V224 and the cathodes of V224 and V214 go in the positive direc...

Страница 37: ...e inverter rejects any signal applied to both input grids re sponding only to a voltage difference between the input grids The gain of the difference amplifiers in the Type 575 is stabilized by negative feedback paths from the plates of the output amplifier to the opposite cathodes of the input stage The ranges of the VERTICAL and HORIZONTAL switches are shown in capital letters Only a few of the ...

Страница 38: ... of V624 The actual voltage at this grid is equal to the bias required by the tube If the loading should tend to change the output voltage an error signal will exist at the grid of V624 The error signal will be amplified and inverted in polarity and will appear at the grids of the parallel cath ode followers V627A and V627B The cathodes will follow the grids and will force the output voltage back ...

Страница 39: ...esult of other less apparent de fects in the circuit Therefore it is essential that you deter mine the cause of overheating before replacing damaged parts in order to prevent damage to the new components Recalibration The Type 575 is a stable instrument and will provide many hours of trouble free operation To insure the reliability of measurements made with the Type 575 however we suggest that you...

Страница 40: ...ods for removal of defective switches are for the most part obvious and only a normal amount of care is required Single wafers are normally not replaced on the switches used in the Type 575 and if one wafer is defective the entire switch should be replaced Switches may be ordered from Tektronix either wired or unwired as desired Tube Replacement Care should be taken both in preventive and correcti...

Страница 41: ...all picture of instrument opera tion The reference designation of each electronic component of the instrument is shown on the circuit diagrams as well as important voltages and waveforms These voltages and waveforms may be used during troubleshooting work to iso late the cause of the trouble The following chart lists the reference designations associated with each circuit 100 series Step Generator...

Страница 42: ...iated with the tube have not been damaged Shorted tubes will often overload plate load and cathode resistors These com ponents can usually be checked by a visual inspection of the circuit If no damaged components are apparent however it will be necessary to make measurements or other checks within the circuit to locate the trouble Troubleshooting The Low Voltage Power Supply Proper operation of ev...

Страница 43: ...11 The oscillator con quickly be checked by placing a neon bulb in the field of the high voltage transformer T801 If the bulb glows the oscillator is operating and the trouble is probably located in the sec ondary windings of T801 It is unlikely that both rectifier tubes V812 and V822 would simultaneously be defective but the possibility should not be ignored Fig 4 3 Chocking oporation of tho high...

Страница 44: ...oting techniques may be applied to the vertical amplifier as were described for the horizontal amplifier There is one difference between the two amplifiers however that is worthy of note That is the location of the collector sweep current sampling resistors in the vertical am plifier The current sampling resistors must conduct the en tire collector current of the transistor under test Consequent l...

Страница 45: ...ith approximately 275 volts at the plate of VI71 the cathode of V163A should be at about 215 volts If this voltage is incorrect check V163A and its grid and cathode circuits If the voltage at the cathode of V163A is correct the stage is probably operating correctly and you should then check the voltage at the cathode of V143B with the STEPS FAMILY control fully clockwise The voltage should be appr...

Страница 46: ...ted this will locate the defective stage If adjustment of the STEP ZERO control produces more than approximately a one volt change in the voltage across R246 resistor R203 should be checked A large voltage change at the output of the circuit when the STEP ZERO control is rotated is indicative that the feedback circuit is not operating If the entire circuit appears to operate correctly except that ...

Страница 47: ...p circuit A satisfactory load can be obtained by placing the DISSIPATION LIMIT ING RESISTOR switch in the 100 position and grounding ter minal C on the Transistor Mounting Plate The load then can be switched in and out as desired through use of the transistor selector switch CAUTION When the dissipation resistors are used as a load for the collector sweep circuit the peak collector sweep voltage s...

Страница 48: ...NOTES ...

Страница 49: ...P and Transistor Selector Switch to TRANSISTOR A Connect the resistance bridge between binding posts B and E on the left side of the test panel Compare each resistance value on the SERIES RESISTOR switch with the resistance reading of the resistance bridge 5 There is approximately 0 1 fl resistance in series with the SERIES RESISTOR switch which may make the lower resistance readings appear slight...

Страница 50: ...to both grids will not appear between the plates of the input tubes and therefore will not be ampli fied by succeeding stages Set controls as follows Vertical EXT Horizontal EXT PEAK VOLTS RANGE 0 20 PEAK VOLTS 5 Transistor Selector Switch TRANSISTOR A Connect all four external inputs together rear panel On instruments above S N 3659 pins E F H and J of the Type 175 adapter socket must be tied tog...

Страница 51: ... horizontal AMPLIFIER CALIBRATION switch in the ZERO CHECK position and position the spot directly behind the right hand edge of the graticule Now press down the AMPLIFIER CALIBRATION switch to the 10 DIVISIONS position If the horizontal MIN GAIN ADJ control is prop erly set the spot will move directly behind the left edge of the graticule If not aternately adjust the horizontal MIN GAIN ADJ and t...

Страница 52: ...Position the display so the last trace to the right is in the center of the graticule When the Base Step Generator PO LARITY switch is changed to the plus position the centered trace should not move If it does set the ZERO ADJ control for a symmetrical display around this trace as the Base Step Generator POLARITY switch is changed from one position to the other Now hold the horizontal AMPLIFIER CA...

Страница 53: ...r Switch to TRANSISTOR B Note a display of one dot per division 1 minus the percent of error recorded in step 1 Table 5 1 for the 01 MA PER STEP position of the STEP SELECTOR switch Do this procedure for each of the corresponding positions of the CURRENT OR VOLTAGE PER DIVISION section of the Vertical switch and the MA PER STEP section of the STEP SELECTOR switch The 500 and 1000 COLLECTOR MA posi...

Страница 54: ...Recalibration Type 575 C706 Fig 5 3 Left Side View 5 6 ...

Страница 55: ... NO STEPS VERTICAL MIN GAIN ADJ R334 HORIZONTAL MAX GAIN ADJ R434 VERTICAL MAX GAIN ADJ Junction of R302 and R303 R359 R459 C735 PHASE B 150 ADJ HORIZONTAL MIN GAIN ADJ ZERO ADJ MIN NO STEPS GEOMETRY Fig 5 4 Right Side View 5 7 ...

Страница 56: ...NOTES ...

Страница 57: ...4 1 575 Adapter cable 012 045 2 Blue test leads 012 056 1 3 to 2 Wire adapters 103 013 1 3 conductor power cord 161 010 1 3 conductor power cord 20 161 014 INSTALLATION INSTRUCTIONS If your Type 575 Transistor Curve Tracer has not been modified for use with the Type 175 High Current Adapter it will be necessary for you to do so before the two can be operated together The following instructions tel...

Страница 58: ... Transistor Curve Trocar is essentially the same as operation of the Type 575 by itself The only major differ onco is that the transistor connections arc made at the Type 175 instead of the Type 575 and the front panel controls of the Type 175 lake the place of some of the front panel con trols of the Type 575 The following instructions deal only with those parts of the operating procedure which a...

Страница 59: ...ert ad ditional external dissipation limiting resistors connect them in series with the collector of the transistor under test With these additional resistors inserted in the circuit it will be necessary to use test leads connected to the V EXT INPUT terminals as described in the discussion of the Transistor Test Panel for accurate presentation of collector to emitfer voltages BASE STEP GENERATOR ...

Страница 60: ... the PERCENT OF PEAK VOLTS RANGE con trol This provides a maximum average input power rating of about 1 kilowatt Again peak power can surpass this average by several times for short periods In one of the 0 100 positions of the PEAK VOLTS RANGE switch a 300 ohm resistor R720 is inserted in series with the output of T702 as a dissipation limiting resistor Ad ditional limiting resistors may be added ...

Страница 61: ...O I Ui Fig 6 6 Simplified circuit diagram of Type 175 Transistor Curve Tracer High Current A dapter ...

Страница 62: ... TO EXTERNAL HORIZONTAL I 1 T EXTERNAL I I I I I I I I J r HORIZONTAL TO EXTERNAL VERTICAL U TO 5 Tn EXTERNAL VERTICAL K FROM STEP GEN VI63 PIN 3 I TYPE 575 INTERCONNECTING CABLE Circuit Description Type 175 ...

Страница 63: ...y resistor can be determined by comparing the position of the switch in which a faulty indication is obtained with the appropriate schematic dia gram To perform the measurements you will need four precision 1 resistors of the following values and ratings 100 ohms 1 watt 2 ohms 50 watts 0 05 ohms 1000 watts and 10 ohms 500 watts These resistors will be referred to in the procedure by their resistan...

Страница 64: ...l correct To check the resistances in the VERTICAL DISPLAY switch proceed as follows 1 Set the PERCENT OF PEAK VOLTS RANGE control to 0 2 Set the COLLECTOR SWEEP POLARITY switch on the Type 175 to 3 Connect the resistor designated in Column A of Table II between the large C and E terminals on the TRANSISTOR A side of the transistor Test Panel of the Type 175 using the high current test cables 4 Co...

Страница 65: ...as follows 1 Set the front panel controls as follows HORIZONTAL DISPLAY Type 175 1 V Display Switch Type 575 REPETITIVE POLARITY Type 175 Base Step Generator STEP SELECTOR Type 175 1 VOLTS PER STEP STEP ZERO Type 175 midrange Transistor Selector switch TRANSISTOR B 2 Position the display so the last dot to the right is in the center of the graticule 3 Set the ZERO ADJ adjustment in the Type 175 so...

Страница 66: ...ere should now be a display of approximately one dot per ten major divisions Check the distance between the dots and turn POLARITY switch to the plus position With the Step Adj move the dots so that the same spacing as the minus position is obtained With the Step Adj it will be possible to maintain the same amount of voltage per step in both the plus and minus positions of the POLARITY switch The ...

Страница 67: ...r Bathtub Paper mefai cosed Polystyrene Precision Paper Tubular Terra or IQ1 Working volts DC Variable Watt Wire wound SPECIAL NOTES AND SYMBOLS 4 and up t Approximate seriol number X000 Part first added at this serial number OOOX Port removed after this seriol number 000 000 Asterisk preceding Tektronix Part Number indicates manufactured by or for Tek tronix also reworked or checked components Mo...

Страница 68: ... benefit of the latest circuit improvements developed in our engineer ing department It is therefore important when ordering parts to include the following information in your order Part number including any suffix instrument type serial number and modification number if applicable If a part you have ordered has been replaced with a new or im proved part your local Field Office will contact you co...

Страница 69: ...v 285 519 Cl 42 0015 Mf Mica 500 v 10 283 535 Cl 45 005 Cer 500 v 283 001 Cl 46 470 i if Cer 500 v 281 525 Cl 53 12 Cer 500v 10 281 505 Cl 65 470 wf Cer 500 v 281 525 Cl 77 01 Mf Polystyrene 300 v 5 Use 291 038 Cl 80 470 i if Cer 500 v 281 525 Cl 86 022 PTM 400 v 285 515 C213 005 xf Cer 500 v 283 001 C232 001 PTM 600 v 285 501 C240 2000 ju f EMC 20 v Use 290 029 C241 2000 Mf EMC 20 v Use 290 029 C...

Страница 70: ...5 511 C809 001 xf PTM 600 v 285 501 C811 047 xf PTM 600 v 10 285 520 C812 101 2389 0068 xf PTM 3000 v 285 508 2390 up 01 xf Cer 2000 v 283 011 C813 101 1942 015 xf PTM 3000 v 285 513 1943 up 01 xf Cer 2000 v 283 011 C815 101 2389 0068 xf PTM 3000 v 285 508 2390 up 005 xf Cer 4000 v 283 034 C816 022 xf PTM 600 v 285 516 C818 101 2389 0068 xf PTM 3000 v 285 508 2390 up 01 xf Cer 2000 v 283 011 Diode...

Страница 71: ...2 w 302 106 R116 27 k y2w 302 273 R117 10k 72 W 302 103 R122 250 k 2 w Var Comp Phase Adj B 311 032 R123 1 meg y2w 5 301 105 R125 10k 1 w 304 103 t Two turns of number 26 wire on Ferramic Suppressor R127 12k 72 w 302 123 R128 47 k 1 w 304 473 R130 150 k 72 W 302 154 R131 150 k 72 W 302 154 R133 10 meg y2w 302 106 R134 10 meg 72 W 302 106 R135 X8030 up 1 meg 72 W Prec 17 323 481 R136 101 8029 1 meg...

Страница 72: ...02 102 R179 47 k 2w 306 473 R180 33 k 72 W 302 333 R182 50 k 2w Var Comp Min No Steps 311 023 R184 220 k 72 W 5 301 224 R186 390 k 72 W 5 301 394 R188 1 k 72 W 302 102 R189 100 k 72 W 302 104 R190 20 k 2w Var Comp STEPS FAMILY 311 018 R194 50 k 2 w Var Comp Max No Steps 311 023 R196 22 k 72 W 302 223 R202 90 k 72 W Prec 1 309 195 R203 3k 72 W Prec 1 309 182 R204 101 4269 68 a 72 W 302 680 R204 427...

Страница 73: ... Aw Prec 1 Use 310 543 103 up 25 0 8 w Prec 1 310 543 R246Q 101 102 10O A w Prec 1 Use 310 544 103 1141 10O 8 w Prec 1 310 544 1142 1319 9 94 0 8 w Mica 310 544 1320 up 9 97 0 8 w Mica 1 310 544 R246R 101 102 5 O 3w Prec 1 Use 310 545 103 1141 50 8 w Prec 1 310 545 1142 1319 4 94 0 8 w Mica 310 545 1320 up 4 97 0 8 w Mica 1 310 545 R246S 101 1141 2 5 O 8 w Mica 1 310 537 1142 1319 2 44 0 8 w Mica ...

Страница 74: ...301 331 R274 220 0 Aw 5 301 221 R275 10k Aw 5 301 103 R300 1 meg Aw 302 105 R301 1 meg Aw 302 105 R302 101 6054 116k Aw Prec 4 use 050 065 R302 6055 up 116k Aw Prec A 309 405 R303 101 6054 2 4 k Aw Prec 4 use 050 065 R303 6055 up 2 4 k Aw Prec A 309 409 R304 101 6054 800 0 Aw Prec A7o use 050 065 R304 6055 up 800 0 Aw Prec A 309 408 R305 101 6054 400 0 A w Prec 4 use 050 065 R305 6055 up 400 0 Aw ...

Страница 75: ...k 2w Prec 1 309 125 R347 60 k y2 w Prec 1 309 041 R348 300 k y2w Prec 1 309 125 R350 1 k y2w 302 102 R353 101 8029 680 k 2w 5 301 684 R353 8030 up 470 k y2 w 5 301 474 R354 200 k y2w 5 301 204 R355 101 6629 47 k y2w 302 473 R355 6630 up 100 k y2 w 302 104 R356 101 6629 5k 2w Var Comp D C BAL 311 011 R356 6630 up 10k Var Comp DC BAL 311 191 R357 101 6629 47 k y2 w 302 473 R357 6630 up 100 k y2w 302...

Страница 76: ...9 with lifetime warranty on exchange basis R416 101 232 1 01 k 1 w Prec 1 310 081 233 792 1 015 k 1 w Prec y2 310 060 793 up 1 008 k 1 w Prec y2 310 062 R417 101 792 3 108 k y2w Prec y2 use 309 196 793 up 3 053 k y2w Prec y2 309 198 R418 101 792 5 398 k y2 w Prec y2 use 309 197 793 up 5 193 k 2W Prec y2 309 199 R420 X263 793X 180 k y2w 302 184 R421 X263 793X 120 k y2w 302 124 R428 32 31 k y2w Prec...

Страница 77: ... k y2 w 302 333 R464 8030 up 120 k y2 w 302 124 R466 101 8029 68 k 2 w 306 683 R466 8030 up 82 k 2 w 306 823 R470 1 k y2 w 302 102 R474 101 8029 33 k y2 w 302 333 R474 8030 up 120 k y2 w 302 124 R477 101 8029X 15k y2 w 302 153 R479 X8030 up 120 k y2 w 302 124 R480 101 8029 1 k y2 w 302 102 R480 8030 up 120 k y2 w 302 124 R481 101 8029 1 k 2 w 302 102 R481 8030 up 120 k y2 w 302 124 R482 X8030 up 1...

Страница 78: ...104 R649 1 5 k y2w 5 301 152 R650 33 k y2w 302 333 R652 2 2 meg 1 w 304 225 R654 1 k y2w 302 102 R655 1 k y2w 302 102 R656 470 k y2w 302 474 R660 2 5 k lOw WW 5 308 018 R662 50 k 2W Prec 1 309 090 R664 10k 2w WW 150 V Adi 311 015 R666 68 k y2w Prec 1 309 042 R710 1 Q 55 w WW 5 308 097 R711 1 Q 55 w WW 5 308 097 R712A 30 R712B R712C 5Q 1 ion i 55 w WW 5 308 099 R712D 30 n R716A R716B 50 n 1 50 n 55...

Страница 79: ...Use 050 104 260 184 6055 up Rotary HORIZONTAL VOLTS DIV 262 494 260 184 SW340 Lever Horiz AMP CAL 262 165 260 198 SW405 101 792 Rotary VERTICAL VOLTS DIV or CURRENTS DIV 262 138 260 185 793 821 Rotary VERTICAL VOLTS DIV or CURRENT DIV Use 050 162 260 185 822 860 Rotary VERTICAL VOLTS DIV or CURRENTS DIV 262 189 260 243 861 3659 Rotary VERTICAL VOLTS DIV or CURRENTS DIV 262 202 260 243 3660 up Rota...

Страница 80: ...54 134 V4541 1 12AU6 checked Use 157 050 V464 6AU6 154 022 V474 6AU6 154 022 V484 6CG7 154 134 V602 6BW4 154 119 V604 6AU6 154 022 V607 12B4 154 044 V624 6AU6 154 022 V627 6080 154 056 V642 6BW4 154 119 V644 6AN8 154 078 V649 5651 154 052 V657 12B4 154 044 V733 6AU6 154 022 V804 12AU7 154 041 V810 6AQ5 154 017 V812 5642 154 051 V822 5642 154 051 V859tt 101 1351 T0520 1 CRT Standard Phospher 154 09...

Страница 81: ...RT SUPPORT 406 368 BRACKET CRT SHIELD MOUNTING 406 514 BRACKET MINIPOT 040 x x 406 576 BRACKET MINIPOT MOUNTING 1 x 113 64 406 619 BUSHING 32 x 16 x 412 358 010 BUSHING 32 x 13 i6 x 252 panel 358 029 BUSHING NYLON BINDING POST INSULATOR 358 036 CABINET SIDE RIGHT SN 101 530 386 677 CABINET SIDE RIGHT SN 531 2265 386 783 CABINET SIDE RIGHT SN2266 up 387 087 CABINET SIDE LEFT SN 101 530 386 706 CABI...

Страница 82: ... CABLE 20 wire for neon bulbs 343 043 CONNECTOR 3 TERMINAL TRANSISTOR ADAPTOR wire lead Use 013 069 CONNECTOR 3 TERMINAL TRANSISTOR ADAPTOR 2 pin bases Use 013 070 CONNECTOR CHASSIS MT 131 038 CONNECTOR CABLE 51 2 ANODE 131 088 CONNECTOR CHASSIS MT 3 wire male SN 101 3659 131 102 CONNECTOR CHASSIS MT 3 wire male SN 3660 up 131 150 CRT ANODE AND PLATE COVER ASS Y 200 112 CRT SHIELD 337 088 CRT ROTA...

Страница 83: ... BLACK 1 625 OD 366 060 KNOB SMALL BLACK 2 dots 180 apart 366 069 LOCKWASHER 2 INT 210 001 LOCKWASHER 4 INT 210 004 LOCKWASHER 6 INT 210 006 LOCKWASHER 8 EXT 210 007 LOCKWASHER 8 INT 210 008 LOCKWASHER 10 EXT 210 009 LOCKWASHER 10 INT 210 010 LOCKWASHER POT INT 210 012 LOCKWASHER x 16 INT 210 013 LOCKWASHER 472 x 480 ID Shakeproof 210 021 LUG SOLDER SE4 210 201 LUG SOLDER SE6 w 2 wire holes 210 20...

Страница 84: ...NT SN 861 up 333 527 PANEL JACK PLATE 333 386 PLATE JACK PLATE BOTTOM 386 480 PLATE TRANSISTOR HEAT SINK 386 652 PLATE SWEEP COLLECTOR 386 656 PLATE TEST SPACING 386 670 PLATE REAR OVERLAY SN 101 2265 386 659 PLATE REAR OVERLAY SN 2266 3659 387 092 PLATE REAR OVERLAY SN 3660 up 387 376 PLATE ADAPTOR HOE COVER SN101 2827X 387 207 POWER CORD ADAPTOR 3 wire to 2 wire 103 013 POWER CORD 8 ft 3 wire 16...

Страница 85: ...lips 212 039 SCREW 8 32 x 3 3 100 FHS Phillips 212 040 SCREW 10 32 x 100 FHS 212 506 SCREW 10 32x3 HHS 212 511 SCREW 10 32x1 HHS 212 517 SCREW 10 32x3 HHS 212 524 SCREW SET 6 32 x HHS 213 020 SCREW 10 32x4 HHS 212 546 SCREW THREAD CUTTING 4 40 x PHS Phillips 213 035 SCREW THREAD CUTTING 6 32 x Truss HS Phillips 213 041 SCREW THREAD CUTTING 5 32 x 3 14 Pan HS Phillips 213 044 SCREW THREAD FORMING 6...

Страница 86: ...L x x 032 210 803 WASHER 10S x 7 16 x 032 210 805 WASHER RESISTOR CENTERING 25 w 210 809 WASHER RUBBER WAN 13 20 210 816 WASHER 390 ID x 16 OD x 020 210 840 WASHER y2 IDx5 8 OD x 020 210 845 WASHER BAKELITE 8 shouldered 210 859 WASHER NYLON 210 869 WASHER RUBBER FUSE HOLDER 210 873 WASHER 470 ID x 21 32 OD x 030 210 902 WASHER RED FIBER 210 906 WASHER WAVY PHOSPHOR BRONZE 210 914 WIRE CRT LEAD 96 ...

Страница 87: ...G Slo Blo 234 V oper 50 60 cycle 50 60 cycle 50 60 cycle 50 60 cycle 159 005 159 003 159 005 159 003 Resistors Resistors are fixed composition 10 unless otherwise indicated R201 15k Var Volts Step Adj 311 112 R202 82 k V2 w Prec 1 309 043 R203 3k V2 w Prec 1 309 182 R204 101 239 68 a V2W 302 680 R204 240 up 200 Q Var d Step Adj 311 158 R206 600 k 72 W Prec 1 309 004 R207 100 k Var STEP ZERO 311 02...

Страница 88: ...R245G 9 5 n 4 w Prec 1 310 573 R245H 4 5 k 8 w Prec 1 310 575 R245J 1 5 a 8 w Prec 1 310 572 R245K 5 a 8 w Prec 1 310 571 R246 478 Q 8 w Furnished with R244A B C 308 182 R251 1 k y2 w 302 102 R254 47 k 2 w 302 473 R255 4 7 k y2 w 302 472 R256 20 k Var Adj 311 018 R257 47 k y2 w 302 473 R261 150 k y2 w 302 154 R264 101 179 470 k y2w Use 309 140 R264 180 up 500 k y2 w 1 309 140 R266 1 5 meg 2 w 302 ...

Страница 89: ...00 Q lOw WW 308 183 R502 500 Q 10 w WW 308 183 R506 500 Q lOw WW 308 183 R507 500 Q lOw WW 308 183 R510 120 Q 5w WW 5 308 163 R650 47 a Aw 302 470 R653 47 Q A w 302 470 R720 300 Q 50 w Furnished with R415A D 308 181 R740 100 n Aw 302 101 Diodes D610 1N1563A D611 1N1563A D616 1N1563A D617 1N1563A D620 1N1563A D621 1N1563A D710 45L10 D711 45L10 D716 TR351 D717 TR351 152 035 152 035 152 035 152 035 1...

Страница 90: ...TOR SWEEP POLARITY 260 366 SW701 CIRCUIT BREAKER 260 337 SW720 PEAK VOLTS RANGE 260 367 SW721 12V Relay SPST 100 amp 148 014 SW731 12V Relay SPST 100 amp 148 014 SW732 12V Relay SPST 100 amp 148 014 SW735 12V Relay SPST 100 amp 148 014 SW736 12V Relay SPST 100 amp 148 014 SW741 12V Relay SPST 100 amp 148 014 SW742 12V Relay SPST 100 amp 148 014 Thermal Cutout TK601 Thermal Cutout 123 260 246 Trans...

Страница 91: ...45 BRACKET RESISTOR SUPPORT RIGHT 406 660 BRACKET RESISTOR SUPPORT LEFT 406 661 BUSHING NYLON FOR 5 WAY BINDING POST 358 036 CABLE HARNESS SWEEP 179 477 CABLE HARNESS TRANSISTOR MOUNTING PLT 179 478 CABLE HARNESS 110 V 179 479 CABLE HARNESS CURRENT RESISTOR 179 480 CABLE HARNESS POWER 179 481 CABLE HARNESS STEP SELECTOR 179 482 CABLE HARNESS SUB PANEL 179 484 CAP FUSE 200 015 CHASSIS SWEEP 441 330...

Страница 92: ...NOB LARGE BLACK ASS Y 1 625 HOLE PART WAY 366 111 KNOB LARGE BLACK 4108 HOLE PART WAY 366 120 LOCKWASHER INT 4 210 004 LOCKWASHER INT 6 210 006 LOCKWASHER EXT 8 210 007 LOCKWASHER INT 8 210 008 LOCKWASHER EXT 10 210 009 LOCKWASHER INT 10 210 010 LOCKWASHER INT 210 011 LOCKWASHER INT POT x 2 210 012 LOCKWASHER INT 3 e x 1 210 013 LOCKWASHER 4x 4 SPLIT SPRING 210 016 LOCKWASHER STEEL 5 210 017 LUG S...

Страница 93: ...AR PLATE CABINET SIDE RIGHT BLUE VINYL PLATE TOP COVER BLUE VINYL PLATE CABINET BOTTOM BLUE VINYL PLATE CABINET SIDE LEFT BLUE VINYL PLATE SWITCH 032 x 25 16 PLATE OVERLAY REAR BLUE VINYL POST BINDING 5 WAY ASS Y BLACK POST TERMINAL TRANSISTOR MOUNTING POST BINDING 5 WAY ASS Y BLUE POST BINDING 5 WAY ASS Y RED RING LOCKING SWITCH RING FAN ROD HEX x 23 4 W 6 32 8 32 TAPPED HOLES SCREW 4 40 x BHS Te...

Страница 94: ...ILLIPS SCREW 8 32 x 33 4 HHS SCREW 10 32x 8 BHS SCREW 10 32x y2 BHS SCREW 10 32 x 5 6 BHB SCREW 10 32x1 HHS SCREW 10 32x3 HHS SCREW 10 32x3 HHS SCREW 10 32 x 5 16 FHS 100 SCREW y4 20x 2 HHS SCREW 6 32 x 8 TRUSS HS PHILLIPS SCREW 5 32 x 16 PAN H STEEL PHILLIPS THREAD CUTTING SCREW 4x PHS PHILLIPS SCREW 6 32 x 8 THREAD FORMING THS SOCKET STM7G SOCKET STM9G SOCKET LIGHT W GREEN JEWEL 211 504 211 507 ...

Страница 95: ...065 x x 1113 16 x 16 346 020 STRAP EMITTER COUPLING 065 x x 17U x 13 2 346 021 STRAP CABLE TIE WHITE NYLON 346 024 STRIP CERAMIC x 7 NOTCHES CLIP MOUNTED 124 089 STRIP CERAMIC 3 4 x 9 NOTCHES CLIP MOUNTED 124 090 STRIP CERAMIC 7 16xll NOTCHES CLIP MOUNTED 124 106 STUD 10 32x27 6 W 2 SHOULDER 355 044 TAG VOLTAGE RATING 334 649 TAG S N INSERT 334 679 WASHER STEEL 8S x x 032 210 804 WASHER STEEL 1 OS...

Страница 96: ...VERTER V155A A6AN8 4 300V V112A V16AL5 V104B H6AN8 V124B V26AN8 V143A V112AT7 L__ SEE MAIN POWER SUPPLY DIAG 4 100V X 4 100 V 4 100 V A 1 3 6 R 116 27 K 7 6 t R 142s X 7 il 8 R 133 10M MiiLIStC TYPE 575 TRANSISTOR CURVE TRACER SEE PARTS LIST FOR EARLIER VALUES AND SERiAL NUMBER RANGELS OF PARTS MARKED WITH BLUE OUTLINE WAV E fO RMS 0 Ef S FAMilY RSPtTITiVE SlN waveforms ma WERE OBTAINED AB ...

Страница 97: ...oov VT63A V26AN8 I i V152A V26AL5 VI43A 112AT7 V155B A6AN8 V152B V16AL5 MILLISEC 1 7 IE R E R MILLER RUNUP TUBE V171 6AU6 VI72A i 26AL5 CHARGING DIODES V172B A6AL5 V143B 112AT7 STEPS FAMILY Iw V AbD VOLTAGE READINGS ONTROLS SET AS FOLLOWS 1 7 v ac M FULL RIGHT VVMLV 240 s t t it t family repetitive H K 1 ED WITH ASTERISK El a JEDV H V163 REMOVED D B L 964 AB STEP GENERATOR R 196 22 K 150V ...

Страница 98: ...rity WAVEFORMS and VOLTAGE READINGS WERE OBTAINED WITH CONTROLS SET AS FOLLOWS LINE VOLTAGE 117 VAC STEPS SEC 240 REPETITIVE SINGLE FAMILY REPETITIVE POLARITY _ STEPS FAMILY FULL RIGHT STEP ZERO FULL RIGHT STEP SELECTOR 0 2V STEP A TYPE 575 TRANSISTOR CURVE TRACER V233B 72 I2AU7 R273 330 1 5 R 274 220 R 27S IOK AD ...

Страница 99: ...DRIVER OF OUTPUT AMPLIFIER SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MARKED WITH BLUE OUTLINE AD STEP AMPLIFIER ...

Страница 100: ...INPUT AMPLIF1E ...

Страница 101: ...3OOK R447 6OK R446 BOOK R443 47OK 4 BOOV R343 4 7OK I R344 2OOK R437 2XlOOK V464 6AUG V3U 2AUG R346 BOOK RB4 7 6OK R346 300K V4 4A GCG7 VOLTAGE READINGS were obtained WITH CONTROLS SET AS FOLLOWS HORIZONTAL AMPLIFIER VOLTS DIV EXT HORIZONTAL POSITION FOR LOWER VOLTAGE READINGS FULL LEFT FOR UPPER VOLTAGE READINGS FULL RIGHT VERTICAL AMPLIFIER CURRENT OR VOLTAGE DIV EXT VERTICAL POSITION FOR LOWER ...

Страница 102: ...ATION LIMITING RESISTOR 0 TRANSISTOR SELECTOR OFF WAVEFORMS were obtained WITH CONTROLS SET AS FOLLOWS LINE VOLTAGE 1 1 7 V AC PEAK VOLTS RANGE 0 200 PEAK VOLTS 70 POLARITY DISSIPATION LIMITING RESISTOR 100 CURRENT OR VOLTAGE DIV 1 00 MA TRANSISTOR SELECTOR TRANSISTOR A TERMINAL C GROUNDED L_ _ A 575 COLL SWP TYPE 575 TP AN5I5TOP CUI2 VE TR ACER A 2 ...

Страница 103: ...ISEC I JTAINED 117 VAC 0 20 FULL RIGHT 0 OFF 117 VAC 0 200 70 100 100 MA TRANSISTOR A GROUNDED SW4O5 375 COIL SWF 5F R GF R ABi 2 402 THRU R4ia COLLECTOR CURRENT SAMPLI NG RESISTOR SEE SWITCHING DIAGRAM SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MARKED WITH BLUE OUTLINE sab 9G4 COLLECTOR SWEEP ...

Страница 104: ...TYPE 575 TRANSISTOR CURVE TRACER ...

Страница 105: ...ENT 3ASE SOURCE VOLTS CURRENT OR VOLTAGE PER DIVISION R4ie lI 008K TO R7321 5EE COLLECTOR to rtsoT 5WEtP DIAGRAM J T 9 MAX GAIN ADJ SOO T 2F R R332 CT R333 TTBR 1 1 S35K BASE 7OLT5 SW432B 3PST NORMALLY SW4 3 2 A SP5T NORMALLY CLOSED BASE CURRENT OR BASE SOURCE VOLTS OLLECTOR O c o b 1 SEE PARTS LIST FOR EARLIER LOCATED IN I7S VALUES AND SERIAL NUMBER ADAPTOR SOCKET RANGES OF PARTS MARKED WITH BLUE...

Страница 106: ...tzzz ZB TO CRT HTR ELEV TO 1700 SEE CRT CIRCUI1 18 TO POWER SUPPLY HTRS GND ON CHASSIS IZ TO HTRS ON STE p GiENfeRATOp CHASSIS J5n Bk Jon TO TERM IZ e sv TO THR M 18 S 8V GRATICULE LIGHTS PILOT LI GHT HEATER WIPING SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MARKED WITH BLUE OUTLINE TYPE 575 TRANSISTOR CURVE TRACER AE ...

Страница 107: ...04 T LOOCyi f T 200QA it IcJ T Jon C64I zLX2 O u 100 i rggo X SK 12 SCALE I 1LLUM TO TERM 18 G 3V GRATICULE LIGHTS PILOT LI GHT LIST FOR CARLIER ID SERIAL NUMBER PARTS MARKED 1 OUTLINE AE V649 RG42 33K 15OV ADJ 65 Tiri V644A Pl 6AN 8 3 R 4 3 B I 5K V644B k6AN8 66G 1 X LO Uf 7L gYv Jon bk BASE 1 BOV 10 P P RIPPLE MAIN POWER SUPPLY T D B 764 ...

Страница 108: ...OSCILLATOR 4OOV UNREG TYPE 575 TRAN5I5TOR CURVE TRACER AB ...

Страница 109: ...JLinoaiO JL O QV a d G A OOI oze NG S i a rav no2H IAI 5IXVN I SV AOOI aooi 699 1 kN S l t zsa rav AOOll AOOC 2 3N Z2e a a 3N 929 9 1091 O1 ZI A 31 0093 ...

Страница 110: ...575 REPETITIVE STEPS FAMILY TYPE 575 FULLY CW BASE STEP GEN POLARITY TYPE 175 STEP ZERO TYPE 175 FULLY CW STEP SELECTOR TYPE 175 2 VOLTS STEP STEP ADJ A STEP AMP SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MARKED WITH BLUE OUTLINE V233B ZGDJB i o IOOV 273 p 269 430 47K I 5 OV R274 IOO R275 I9 5KI TYPE 175 TRAN SI STOR CURVE TRACER HIGH CURRENT ADAPTOR c C2fe7 OOI AAV R2G7 I...

Страница 111: ...8 RZ73 RZ6S 430 47K _C267 OOI I5OV 166 5M J2 Z 7 IOOR l OV R2 74 45 IOOV IOOV BT GG N 2 ei64 500 KJ 3OOV CURRENT TO TRANSISTOR SELECTOR SWITCH SW5IO V2 G4 6AUG V2 S4 GAUG PTOg Cz STEP AMPLIFIER SEE SWITCHING DIAGRAM SW2 44 STEP SELECTOR ...

Страница 112: ...R4ISF CZ45G R24 5H R4 BH AMPS R41 5J R4ISK R4I5L VOLTS EMITTER COUPLING t WAFERS 6 7 MEASURE VOLTAGE DROP ACROSS SELECTED RE5ISTOR ELIMINATING ANY DROP I N LEADS BASE STEPS FROM SW 241 IF R STEP AMP DIAG 22450 I FEEDBACK TO SW24 I I F R 1 SW2 49 SERIES RESISTANCE t 1 R2 44S 1 X xx OHMS 1__ i o R244D xLx J__ L R24SE R245J I S R245L CR246 478 M AMPS V A T PINS 1 COLL R4ISA IO 5 R4ISB TO GRID OF V444...

Страница 113: ...CTOR SWP DIAG R3IG R4IBR TRANSISTOR B 1 R5O6 AAA TRANSISTOR OFF A EMITTER COUPLING BAR ZERO CURRENT 5W5IO TRANSISTOR SELECTOR TO CURRENT SWITCHING RELAY SW741 COLLECTOR SWp DIAG R4IBB R4iE R4ie F R4l 3G O l R4IE H M AMPS R3ISC 3 37 R31GC 3 37R RSIfeD 64K AMPS TO GRID OF V444 OF TYPE 575 R3IE E I 1 46k R3I9F 34 e K R3IGE I I 4SK R3I6F 34 5 C R3IGG 54 Ofc FOR ADDITIONAL SWITCH DETAILS SEE COLLECTOR ...

Страница 114: ...234 VAC 117 VAC PRIMARY CONNECTIONS FOR 234VOLT OPERATION ___I TYPE 175 TRANSISTOR CURVE TRACER HIGH CURRENT ADAPTOR ...

Страница 115: ... 300 ...

Страница 116: ...uit and component improvements to our instruments as soon as they are developed and tested Sometimes due to printing and shipping require ments we can t get these changes immediately into printed manuals Hence your manual may contain new change information on following pages If it does not your manual is correct as printed ...

Страница 117: ...TYPE 175 TENT S N 393 PARTS LIST CORRECTION CHANGE TO SW510 TRANSISTOR SELECTOR 260 636 M6983 664 ...

Страница 118: ...thousand ohms 10 plus 0 1 ohm wiring and switch contact resistance SECTION 5 RECALIBRATION PROCEDURE 2 Checking the Series Resistor Switch Page 5 1 Line 6 CHANGE TO 10 9 Horizontal Gain Page 5 5 Paragraph a CHANGE TO Last sentence should read as follows If not alternately adjust the horizontal MIN GAIN ADJ and the Horizontal POSITION control until the deflection is exactly 10 divisions C964 ...

Страница 119: ...Type 175 Tent S N 570 PARTS LIST CORRECTION Change to Q233 151 0137 00 2N21U8 MIO 298 1165 ...

Страница 120: ...lenium rectifiers with silicon rectifiers Silicon rectifiers offer more reliability and longer life The following selenium rectifiers are replaced SR241 part number 106 0043 00 SR620 106 0044 00 Publication Instructions for 040 0223 00 March 1966 Supersedes December 1965 1965 Tektronix Inc All Rights Reserved 1 040 0223 00 Page 1 of 4 ...

Страница 121: ...ar of the instrument 2 Remove the six screws which hold the fan ring to the rear panel and move the fan assembly to one side Do not unsolder the two fan motor leads 3 Unsolder all the wires from the selenium rectifier stacks SR241 and SR620 located behind the fan motor Unsolder the two wires from the thermal cutout mounted on the selenium rectifier bracket 4 Remove the selenium rectifiers and brac...

Страница 122: ...air filter removed in step 1 and the fan assembly displaced in step 2 Turn the instrument on and check the power supplies for proper voltages and regulation NOTE If adjustments are made to the power supply it will be necessary to check the calibration of the instrument Place the Manual insert page in your Instruction Manual JT cet Fig 1 Fig 2 See wiring schematic on following page 040 0223 00 Page...

Страница 123: ...INSTRUCTIONS cont uu y uj r uu y P 2AO MJ i DfeZOC 4K cx zdd uu gn UJ bK uj bn T JU O Page 4 of 4 040 0223 00 ...

Страница 124: ... rectifiers offer more reliability and longer life ELECTRICAL PARTS LIST Only new parts listed Ckt No Part Number Description DIODES D241A B 152 0088 00 15A 100PIV silicon D241C D 152 0066 00 500 750 mA 400 PIV silicon D620A B C D 152 0066 00 500 750 mA 400 PIV silicon FUSES F240 159 0053 00 5A fast bio w pigtail F241 159 0053 00 5A fast bio w pigtail SCHEMATIC 040 0223 00 Page 1 of 1 ...

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