Page 1: ...al of the 20 volt sources The two 20 volt sources may be operated in series to provide 0 40 VDC 0 2 5A in any polarity with respect to chassis or left floating The 0 1 5V source may be operated in any polarity with respect to chassis or left floating Independent adjustment of each output voltage utilizing 10 turn potentiometers with 05 reso lution Separate current limiting adjustment for each outp...
Page 2: ...POWER DESIGNS INSTRUCTION IVIANUAL IVIDDELS TP 3110 TP 3 13A PO NER DESIGNS INC 1700 SHAMES DRIVE WESTBURY N Y 11590 TEL 516 333 6200 TWX 510 222 6561 FAX 516 333 6512 ...
Page 3: ...als can also be obtained directly from DC to DC In that case the out put voltage will be the sum of the A and B voltages A front panel TRACKING switch provides individual control of each source or automatic Master Slave operation In this mode source B tracks source A Source C provides power by means of two binding posts that are isolated from ground This source may be operated in either polarity w...
Page 4: ...ure 2 To recover to within 15 MV of nominal for a 10 to 100 step change in load 3 Both sources will crowbar if either one operates 1 4 MECHANICAL SPECIFICATIONS DIMENSIONS 8 H x 7314 W x 131 12 D WEIGHT 20 lbs FINISH Natural anodized panel blue enamel cabinet 2 ...
Page 5: ...hes to the VOLTS position The three meters should indicate output voltage Set the desired output voltage levels for each source with the Voltage control 2 2 6 Connect the load to the front panel binding posts 2 3 CONSTANT VOLTAGE OPERATION All Sources 2 3 1 Voltage Adjustment 1 Rotate the voltage control for each source fully counterclockwise 2 Set the AC switch to the ON position The AC pilot lig...
Page 6: ...imum rated output of the supply To set the trip point to a lower level proceed as follows 1 Remove the load from the supply 2 Set the meter function switch to the volts position 3 Adjust the voltage control to the desired trip point as indicated on the panel meter 4 Turn the crowbar control slowly counter clockwise until the output voltage as indicated on the panel meter suddenly collapses to appr...
Page 7: ... produces across C304 a very stable and low ripple voltage between 12 4 voe and 13 2 voe The B bias voltage generated by zener diode VR302 should have a voltage between 5 0 VDC and 5 8 voe The variable resistor divider R315 R325 and R344 compares the output voltage of the supply with the B voltage the differential voltage is then fed to the input of voltage comparator amplifier U301A whose output ...
Page 8: ...wer supply has been subject to a failure that required a component replacement Calibration control function and location on the printed circuit assembly can be easily found by referring to the location of components draw ing in the Appendix of this manual 4 2 1 TEST EQUIPMENT REQUIRED 1 5112 Digit Digital VoltJneter DVM with better than 0 1 accuracy 2 DC Ammeter 0 6A with better than 0 5 accuracy ...
Page 9: ...n an output of 1S 6 to 1S 8 volts 4 2 6 CURRENT LIMIT ADJUSTMENTS Set current limit adjustments fully clockwise Connect load in series with external ammeter to the Source under adjustment For Source A Set output voltage to approximately 10 VDC output Set trimmer R119 fully clockwise Connect load thru external ammeter and set current to approximately 1 07 Amperes TP340 or 2 7 Amperes TP343A Adjust ...
Page 10: ... flow may lead to misleading results Four terminal network techniques as shown in Figure 1 must be employed to achieve correct measurements In addition to the equipment listed in 4 2 1 the following are required 1 Adjustable AC input source Variac with provisions for accurately monitoring the AC input voltage 2 Oscilloscope with a bandwidth of not more than 10 MHz and a vertical sen sitivity of at...
Page 11: ...AC VOLT METER UNIT UNDER TEST DC AMMETER Rs CONSTANT CURRENT MEASUREMENTS UNIT UNDER TEST DC AMMETER VARIAC SCOPE AC VOLT METER CONSTANT VOLTAGE MEASUREMENTS FIGURE 1 g _DVM ...
Page 12: ...there is a possibility that the problem might be caused by th common overvoltage protection Remove CR110 CR210 CR211 If problem disappears replace Since this equipment uses a quad operational amplifier to perform multiple functions it would be advantageous to try as a first step changing of the amplifier on the malfunctioning output to see if the problem disappears If so there may not be any need ...
Page 13: ...304 CR301 0301 VR301 VR302 VR303 U301 Note A VR102 B VR202 C VR303 are the main reference voltage of the cor responding Source their voltages must fall between 6 26V and 6 52VDC 5 3 1 NO DC OUTPUT If FAULT display is off and VOLTAGE control is clockwise check blown secondary protection on A F101 B F201 C F302 if fuse blows after replacement pro bable cause is shorted transistor as follows A 0102 0...
Page 14: ...ro gram in operation at Power Designs Inc for the past twelve years Under this program quali ty control procedures are constantly revalued and updated as advances are made in solid state technology and experience is gained from field history Semiconductor manufacturers are continually modifying their products Complete lines are discontinued to be replaced by devices having improved gain operating ...
Page 15: ... models with 230V input Meter 0 32V 0 1A Meter 0 15V 0 5A Transistor silicon NPN Transistor silicon NPN Transistor silicon NPN Potentiometer wirewound 5K ohm 10 2w Potentiometer wirewound 5K ohm 5 2w 10t Potentiometer wirewound 5K ohm 10 2w Potentiometer wirewound 5K ohm 5 2w 10t Potentiometer wirewound 5K ohm 10 2w Potentiometer wirewound 5K ohm 5 2w 10t Switch toggle SPST Switch toggle SPDT Swit...
Page 16: ...R106 thru CR109 Diode silicon Sl5A2 CR110 Rectifier silicon controlled C13F CR111 Not used CR112 Diode silicon Gl44 CR201 thru CR205 Diode silicon Gl44 CR206 thru CR209 Diode silicon Sl5A2 CR210 Rectifier silicon controlled C13F CR211 Rectifier silicon controlled C122B CR212 Diode silicon G144 F101 Fuse 2A 250V Slo Blo MDX F201 Fuse 2A 250V Slo Blo MDX Q101 Transistor silicon NPN MS1700G Q102 Tran...
Page 17: ...r cermet trimmer 200 ohm 10 1 zw Resistor metal film 365 ohm 1 w Resistor metal film 1 05K ohm 1 w Resistor metal film 27 4 ohm 1 w Resistor metal film 75K ohm 1 w Resistor cermet trimmer 100K ohm 10 1 zw Resistor metal film 511 ohm 1 w Not used Resistor metal film 12 1 Kohm 1 w Resistor metal film 1 05K ohm 1 w Resistor composition 3 3K ohm 10 1 zw Resistor metal film 1 05Kohm 1 w Resistor metal ...
Page 18: ... 05K ohm 1 w Resistor metal film 845 ohm 1 w Resistor metal film 12 1K ohm 1 w Resistor metal film 4 42K ohm 1 w Resistor metal film 75K ohm 1 w Resistor cermet trimmer 100K ohm 10 1hw Resistor metal film 511 ohm 1 w Not used Resistor metal film 475K ohm 1 w Resistor metal film 4 42K ohm 1 w Resistor metal film 27 4 ohm 1 w Resistor metal film 3 24K ohm 1 w Resistor cermet trimmer 200 ohm 10 1hw R...
Page 19: ... 200 ohm 10 w Resistor metal film 365 ohm 1 V w Resistor metal film 100 ohm 1 w Resistor wirewound 10 ohm 10 1w Resistor metal film 100 ohm 1 1 4W Not used Resistor metal film 6 34K ohm 1 V w Resistor wirewound 0 1 ohm 10 7w Quad operational amplifier Diode silicon zener Diode silicon zener Diode silicon zener 17 Part No RD 5110 1QA RD 27F4 1QA RW F1 4RA 883004 6 RD 3650 1QA RD 101 1QA RW 100 4BAF...
Page 20: ... 470 uf 25 vdc Capacitor ceramic disc 0 02 uf 500 vdc Diode silicon Resistor cermet trimmer 5K ohm 10 1 zw Resistor metal film 29 4K ohm 1 w Resistor cermet trimmer 5K ohm 10 1 zw Resistor metal film 29 4K ohm 1 114 w Resistor cermet trimmer 5K ohm 10 1 zw Resistor metal film 12 1Kohm 1 w 18 Part No CE 221 50 SE CE 471 25 SE CC 23 5 Sl5A2 883004 4 RD 2942 1QA 883004 4 RD 2942 1 QA 883004 4 RD 1212...
Page 21: ...12 1Kohm 1 w Resistor metal film 100ohm 1 w Resistor metal film 1 05Kohm 1 w Resistor metal film 3 32K ohm 1 w Resistor metal film 6 04K ohm 1 w Resistor metal film 2 67K ohm 1 w Resistor metal film 19 1Kohm 1 w Resistor cermet trimmer 2K ohm 10 1hw Resistor metal film 3 32K ohm 1 w Resistor wirewound 47 ohm 10 1w Resistor metal film 475K ohm 1 w Resistor metal film 2K ohm 1 w Not used Resistor me...
Page 22: ...istor metal film 6 04K oh 1 w Resistor metal film 2 67 K ohm 1 V4W Resistor metal film 19 1 Koh 1 V4W Resistor cermet trimmer 2K ohm 10 Vzw Resistor metal film 3 32K ohm 1 V4W Resistor wirewound 47 ohm 10 1w Resistor metal film 100 ohm 1 V4W Resistor cermet trimmer 200 otlm 10 Vzw Resistor metal film 12 1K ohm 0 5 1 4w Resistor metal film 12 1K ohm 0 5 V4W Not used Resistor metal film 2K ohm 1 V4W...
Page 23: ...or electrolytic 100 uf 25 vdc CE 101 25 SE C205 Capacitor ceramic disc O Q1 uf 100 vdc CC A01 101 C206 Capacitor ceramic disc 390 pf 1K vdc CC 390 102 C207 Not used C208 Capacitor plastic film 0 001 uf 200 vdc CP 24 2 C209 Capacitor ceramic disc 390 pf 1K vdc CC 390P 102 C210 Capacitor ceramic disc 0 01 uf 100 vdc CC A01 101 C211 Capacitor tantalum 1 uf 50 vdc CE 1 500 C214 Capacitor plastic film ...
Page 24: ...ransistor silicon NPN Transistor silicon NPN Transistor silicon NPN Resistor metal film 27 4 ohm 1 w Resistor metal film 34 ohm 1 w Potentiometer wirewound 5K ohm 10 2w Potentiometer wirewound 5K ohm 5 2w 20t Resistor metal film 27 4 ohm 1 w Resistor metal film 34 ohm 1 w Potentiometer wirewound 5K ohm 10 2w Resistor metal oxide 0 2 ohm 5 3w Potentiometer wirewound 5K ohm 5 2w 10t Potentiometer wi...
Page 25: ...R209 CR213 A4 ASSEMBLY PRINTED CIRCUIT BOARD P N PS TP343 5 Description Capacitor electrolytic 10 000 uf 25 vdc Capacitor electrolytic 10 000 uf 25 vdc Diode silicon Diode silicon Diode silicon Diode silicon 23 Part No CE 103 25 SE CE 103 25 SE Sl5A2 MR752 Sl5A2 MR752 ...
Page 26: ...v o AMPL cw I u201 1 l I I 2 __I i i TO I 0202 _fi R222J oo o I kr oFF1 I 6 52V J MAX 2N2219A ii 12 tK I 11 I rVR202 r S o 3 VOLT REG i g f TRiW1 1 1 I 8 5 0V TO 5 llV _ _ G K 4 i r R224 ICR204 CR205 TRKG l I IN82 1 ll AMPL 1 112 W CW H c O J qi ot CZ06 R217 R216 C208 I OSK IGl44 6144 1 t y i _J_J _______ __ 1111 1 L_____ il i o ooo oo m oooo j c o1N a s201 1 I SOURCE B o _oo_ _ _ _ N 4 I fc210 i ...
Page 27: ...we NQ_ PS TP340 Sl lf T 2 l FOR i OC ITIONS or COMPO IHS 2 All FRONT PANEL CONTROi FUNCTIONS AND INOICATOJtS ARE SHOWN IN RECTANGLES ALL OTHER CONTltOl S ARE OH THE P C BOARD I NUMERALS IN CIRCLES THAT ARE CONNECTED BY DASH LINES INDICATE P C BOARD TERMIN U NUM8ERS 4 COMPONENTS MAFIKED WITH AN ASTERISK C l Alt NOT USED ON THIS MODEL 5 E lCH lMPLIFIER SECTIDM MAltKED WITH A DOUBLE ASTERlSI l REPRES...
Page 28: ...1 0 01 I I L ___ _J All RESISTORS AR IN OMllS I 114W Al L C l ACITORS ARE IN MICROFARAOS 2 AU FRONT PANEL CONTROi FUNCTIONS ANO INDICATORS AR SKOWN IM RECTANGL S Al I OTHER CONTROLS ARE ON TN P C BOARD 3 NUllf RALS IN CIRCLES THAT ARE CONNECTED BT DASt LINES INDICATE P C 80ARD TElt INAL NUMBERS ti 4 CONl N NTS MAltll Q WITM AN ASTElt1 1t ti Alt NOT USED ON THIS llOOEL ti ti 5 EACH AMPLIFl JI SECTI...
Page 29: ...340 B C OUTPUT A AMMETER CALIBRATION B AMMETER CALIBRATION MAX CURRENT LIMIT ADJ A B TRACKING ADJ A MAX CURRENT LIMIT ADJ RANGE ADJ Al p C BOARD PS TP340 9 A a B OUTPUTS SHEET 2 OF 2 NOTE FOR SCHEMATICS OF SOURCES A iSc SEE DWG NO PS TP340 I B VOLTAGE RANGE ADJ RELEASED DRAWING ND PS TP340 13 TITLE LOCATION OF COMPONENTS MODEL TP340 ...
Page 30: ... COM DC DC DC GND TOP VIEW OF UNIT PANEL REAR VIEW A3 P C BOARD PS TP340 7 ISEE BELOW SOURCE c VOLTMETER CALIBRATION SOURCE 8 VOLTMETER CALIBRATION SOURCE A VOLTMETER CALIBRATION R402 c J cJ 14 A3 PC BOARD PS TP340 7 SHEET I OF 2 NOTE FOR SCHEMATICS OF SOURCES A BBC SEE OWG NO PS TP340 I A RELEASED l o DRAWING NO PS TP340 13 DATE 3 15183 DATE 4 1 tfl DATE 4 l A Power ksif l illf V NEW YORK ...
Page 31: ...ETER CALIBRATION SOURCE A VOLTMETER CALIBRATION R402 c J 0 c J R404 11111 CR402 00 C403 C402 C404 A31 P C BOARD PS TP34D 7 0306 TOPI Q308 BOTTOM CRZll TOPI CR309 IBOTTOMI Al P C BOARD PS TP343 3 SEE SHEET 2 SHEET I OF 2 0103 RllO TOP 0104 Rlll BOTTOM 0203 R210 TOPI Q204 R211 IBOTTOMI NOTE I FOR SCHEMATIC OF SOURCES A a a SEE DWG NO PS TP343A I z OR SCHEMATIC or SOURCE c SEE DWG NO PS TP340 I SHEET...
Page 32: ...itions shall apply A minimum retest and inspection charge of 50 00 will be applicable to units returned for repair in warranty unless the unit is found to be defective All products returned under warranty must be shipped prepaid to the factory with documentation explaining the malfunction noted The units will be evaluated repaired or replaced and promptly returned prepaid if warranty claims are su...
