Philips_PM2517维修电路原理图.pdf

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1、G I s d Automatic Digital PM 2517E ,o,onu PM 2517X o,0,.0., Multimeter Service Manual 9499 475 01311 790507 l l l r O l l l I l l I ) l PHITIPS RadioFans.CN 收音机爱 好者资料库 PHITIPS equipment for science and industry SME 83 $EmUrcE*fil? 79 06 06 PM 2517E/X e AIreodY issued: Re : New version of OQ 0063 - D

2、ocumentotion su rvey lnstrument versions D ocume nto tion E DMO 600 - D M02 4926 X DMol 600 - DMO 3051 EDM02 4926 - onwords XDM0l 3051 - onwords lnstruction mqnuol 9499 475 01011 lnstruction mqnuql 9499 475 01311 Service noie SME 83 - New version of OQ 0063 In the new version of the OQ 0063 pin 17 i

3、s internolly connected. Using ihe new OQ 0063 in ihe eorlier versions of the PM 2512 (E DMOI 600 - D MO2 4926 ond X DM 0l 600 - DM0l 3051) results in molfunctionning of the Q-function. The ordering number of the OQ 0063, 5322 209 85886 remoins the some. Concern Service willdeliver only lhe new versi

4、on of the OQ 0063. To qvoid problems with the Q-function, pin l7 of the OQ 0063 should be cut-off when using them in the eorlier PM 2517. I I I J J 9499 478 09511 RadioFans.CN 收音机爱 好者资料库 il t t t Ij I New OQ 0063 D M02 4926 - onwords DM0l 3051 - onwords old oQ 0063 DM0l 600 - DM02 4926 DM01 600 - DM

5、OI 3051 ( NEw P.C. BOARD ) sr 2717 T - - - - 1 - =- I l l oo 0063oo 0063 ( oLD PC. BOARD ) RadioFans.CN 收音机爱 好者资料库 PHITIPS equipment for science and industry SMEB4 $EHUIGE*m 800218PM2s17 E/X l e l l L Alreody issued r SME 83 Re : 1. Storiing problems OQ00l,3 : 2. Botiery cover : 3. Predeflecfion in

6、the mA =:= ronge : 4. lncorrect reoding in the mA ronges Storting problems OQ0063 . - Error descript ion . lf the PM251/ is switched-on in the function Q, d or oC *ith op.n input or Rx 8000, it moy hoppen thot the OQ0063 does not storf. This con result in the following errors: - Disploy indicotes ov

7、erlood - Disploy indicotes o too low reoding In both coses fhe PM251Z does not reoct on ronge commonds. After switching OFF ond ON ogoin or to the functions V=, Vn , mA=or mArw the instrument functions correctly ogcr in. - Couse Storting problems of the OQ0063. The problem only occurs with new LC. s

8、 with weeknumberT9l9 ond higher (refer to sME 83). - Remedy PM25I7E DMOI 600 - DM02 4926 PM2stTX DM01 600 - DM0l 3051 Only when the OQ0063 is reploced by o new type (weeknumber -79.19) the following modificotion must be built- in: - Remove copocitor C407 (22nF - Short circuit resistor R4l3 (3k3) - C

9、onnect to pin lZ ond pin l5 ($ ) of the OQ0063 on electrolytic copocitor of l5 PF, 10V in porollel with o resistor of 68 kQ, CR16. (pin lZ of the OQ0063 should be cut off, refer to SME83). R4l8 = 68 kO, CRl6 5322 l l r 30291 c407- 1+ F , 10V s322 124 t4036 9499 478 10811 1 0 1 5 1 7 1 8 RadioFans.CN

10、 收音机爱 好者资料库 PM 2517E DM 02 4926 - DM 04 10491 PM257X DM 0r 3051 - DM 04 86il lf the OQ0063 hos q weeknumber of7919or higher the following modificotion must be built in, Connect to pin l/ of the OQ0063 ond supply zero $ on electrolytic copocitor of 15P F in porollel with o resistor of 68 kQ ond short

11、 circuif resistor R413. Proceed os follows: - Remove copocitor C407 (22nF ) - Remove copociior C404 (1nF) - Remove resistor R413 (3k3) - Short circuii the spots where R4l3 hqs been removed - Mounl copocitor C404 on the p.c. boord ogoin. (see figure) - Mount the new copocitor C407 (15 p f)on the p.c.

12、 boord ogoin (see figure) t t ; I t,., , r I : r I a I r 5; r; 1 t ; r; r, :r tJ c404 F-n R 4 1 3 short OLD PM 2517E DM04 10491 - onwqrds PM 2517X DM04 8611 - onwords The modificqtion hos olreody been built R4lB R= 68 ka, CRl6 5322 lll 30291 C407 C=l5p F, 10V 5322 124 14036 wrres in cne hole clrcurr

13、 - Mount fhe 68 kQ resistor befween pin 15 ond lZ of the OO0063 ot the conductor side of the p.c. boord. NNODIFIED CURRENT SOURCE c401 F-l 15uF fr T -l:,. I c404 in from the foctory on. RadioFans.CN 收音机爱 好者资料库 I erratum lor SME 84 code nr 9499 478 10811. .l 1 I oncerns:l. Starting problems 000063 l

14、J The polarity of the new capacitor C407 is drawn incorrectly.The drawing of the l.C, and the I circuitdiagram must be changed to show; Pin 17 of the 000063 (4401) = _ J pin 15 of the 000063 (A4ot) = + (+) l RadioFans.CN 收音机爱 好者资料库 2 .Botte rycove r. Sofety requirements mode it necessory thot the bo

15、ttery spring where the boftery voltoge is meosured on should be ploced lower. Therefore the bottery spring ond the bottery cover (lorger hole) hove been chonged. The ordering number of the bottery cover reomoins the some. In ol d instruments where the bottery cover is reploced olso the bottery sprin

16、g should be reploced. DescriptionOrde ri ng numberQtv. Bottery cover 5322 443 64026 Bottery spring low 5322 492 64746 Predeflection in the mA:=: ronge. - Error descript ion ln the mA - ronge the PM 251 Z hqs o - Remedy predeflection of 2 digits of shortcircuited input. Cut trock which is situoted un

17、der the OQ0064 (A102) ot the conducior side of the p.c. boord (see figure). Interconnect pin24 of the OQ0059 (D101) ond pin 7 of the OQ0060 (Al0l) (see figure) From seriql number DM 06 15321 PM2517E ond DM 06 14986 PM2517X on the modificotion hos olreody been built in by the foctory. WIRE - 4. Incor

18、rect reoding in the mA ronges. - Error desc ription High current peoks con influence permonently the volue of resistor R603 in the mA ronge. This will give o permonent incorrect reoding. - Remedy A new resistor type R603, ordering number 5322 ll6 44011. 3 . CUT TRACK RadioFans.CN 收音机爱 好者资料库 $EmUilGE

19、*d*ffi PHITIPS equipment for science and industry 800408PM 2517X SME 85 Already issued: Sl4 E 83 st4E 84 Re:New LX display - Documentation survey l. New LX displav From serial number DM 07 17361 onwards the pM2571X is equipped with a new LX disptay (type BBC) and lrom serial number DM 07 19138 with

20、a new rubber interconnection strip. The dimensions of the new LX display height) differ from the excisting display. The new rubber interconnection strip has been mounted, to ease the mounting. In addition to the new LX display a wire is soldered between the soldering bulb on the LX display and Nl pi

21、n 3. 9499 478 10911 l o E DM01 600 - Ot402 4926 x Dt40l 600 - DM01 305?| E DI402 4926 ONWAB DS x DM01 3051 - Dr407 17361 X DI407 17361 ONWARDS lnstruction manual 9499 475 0101 1 Instruction manual 9499 475 01311 Service note SME 83 SME 84 SME 85 RadioFans.CN 收音机爱 好者资料库 OLD SITUATION PM2517X DM0r 600

22、 - Dl,107 17361 1= LX display (5322 130 94011 obsolete) 2= F lexible interconnection strip 3= Ru bber roller 4= Tape 5= Large fixing clip 6= Display unit 7= Fixing clip 2x 8= Positioning hook Replaced by LX DISPLAY (Type B BC) Rubber interconnection strip NEW SITUATION PM2517X D l.407 19138 onwards

23、1= LX display (5322 130 94025) 2= Flexible rubber interconnection strip 15322 263 540141 5= Large fixing clip 6= Display unit 7= Fixing clip 2x 8= Positioning hook 5322 130 94025 5322 263 54014 sT 2541 AODITIONAL WIRE BETWEEN SOLOERING ON THE LX OI5PLAY N 1 P I N 3 sr zoos I In the new arrangement t

24、he rubber roller (3) and tape (4) are not required. To replace the LX display. refer to page 1l2 of the Plvl2517Instruction lvlanual. 2- How to proceed with old instruments (PM2517X DM0l 600 - DMOT 1 7361) The existing LX display 532213O 9401 1 is obsolete when the LX display has to be replaced, the

25、 existing interconnection strip should also be replaced. For replace refer to page 112 of the PM25l7 instruction manual and point 1 of this information sheet. 3. Ordering numbers, Obsolete until oresent stocks are exhausted LX DTSPLAY 5322 130 9401 1 RadioFans.CN 收音机爱 好者资料库 . I I I PHIIPS equipment

26、for science and industry SME87 $EMUilGEnfi*ffi I J 801009PM2517 ElX Already issued: SME83, SME84, Sl4885. Rc : 1. Starting problems 000063 2. ON/STAND BY/OFF switch PM2517E 3. Textplates 4. Corrections of the Service manual Documentation Survey Starting problms 000063. The remedy for the starting pr

27、oblems of the currentsource 000063 as described in Service note SlVEg4. is not sufficient. It should be replaced by the remedy as described in this Service note. - Error descriotion lf the PNr2517 is switched-on in the function Sl, I o, oC with open input o, Rx ) 800 f,2 , it may happen that the 000

28、063 does not start. This can result in the followinq errors: - Display indicates overload - Display indicates a too low reading In both cases the Plvl2517 does not react on range commands. After switching OFF and ON again or to the functions V=, Vrv, mA:=or mA.,/the instrument functions correctly ag

29、in. - Cause Starting problems of the O00063 The problem only occu rs with new r.c.s with weeknumber 7919 and higher (refer to sMEg3). 9499 478 11111 E. DM 0t 600 - DM02 4 x DMor 600 - Dt401 3051 Dt402 4926 - DM06 16386 x DM01 3051 - DM07 17361 x DM07 17361 - DM07 19671 DM06 16383 onwards X Dl407 196

30、71 onwards Instruction manual 9499 475 01Ol1 Instruction manual 9499 475 0131l Service note SME83 st4E84 SME85 SME87 RadioFans.CN 收音机爱 好者资料库 - Remedy PM2517E DM01 600- DMO4 10491 PM2517X DM01 600- DM04 8611 Onlv when the OQOO63 is replaced by a new type (weknumber 7919) the following modifications m

31、ust be built-in: - Short circuit resistor R413 - Place a resistor of 220 ksr. cR16 532211130302 between pin 1 of the OOOO59 DS1) and pin 6 of the 000063 (clock) (C402 and R721) Refer to Fig. 1 PM25l7E D l401 600 onwards PM2517X Dt401 600 - DM01 3051 Fig. l. P.c, board Nl conductor side PM2517E DM04

32、10491 - DM06 16386 PM2517X DM04 8611 - DM07 19671 Plvl2s17X D l4O l 3051 onwards In these instruments, the modification as mentioned in Service note SME84 are already builtin. For the correct modification proceed as follows: - Remove resistor R418 (SME84) - Replace capacitor C407, 15uF 1OV 5322124 1

33、4036 by a capacitor of 22nF,4822122 30103 Ceramic plate - place a resistor of 220 kS) , CR16 5322 11 I 30302 btwen pin 1 of the OO0059 (DS1) and pin 6 of the 000063 (Clock) lC4O2 and R721) Referto Fig. 1. PM2517E DM06 16386 onwards PM2517X DM07 19671 onwards The modification has already been built-i

34、n by the factory. NOTE: There are several instruments with a lower serial number than DMO6 16386 and DM07 19671 in which the modifications are alreadv built-in, RadioFans.CN 收音机爱 好者资料库 ON/STAND BY/OFF switch PM2517E The lockspring, 5322 492 64675, of the power switch in the topcover has been modifie

35、d to ensure a smooth switching. The topcover part now consists of a locking-spring, two ball bearings and a knob. The new ordering numLlers are: Lockspring5322 492 64742 Ball bearing 4822 52O 4OO12 Textolates To conform with the international standards, the text on the topcover and the batterycover

36、has been modified. The ordering numbers for the topcover and bafterycover with the new texts are: Topcover5322 447 94558 Baftervcover E/X 5322 443 64029 Topcover X5322 447 94537 an Corrections of the Service manual (ordering number 9499 475 0131 1) Page 65 5.2. Adjusting table NO.2 ADJUSTING E LEMEN

37、T Adj. resistor R107 lMR25, 1, E48 series) Should be Adj. resistor R107, coarse. changed into: lMR25, 1o/., E48 series) Potentiometer R 106, fine. Adjustment NO.1l must be omitted 2. J. RadioFans.CN 收音机爱 好者资料库 CONTENTS Pt:A 2517E Page 3 1 . 1 . 1 . 1 .2. t . J . 2. 2.1 . 2.2. J . 3.2. 3.3. 3.4. 4. 4

38、.2. 4.3. 5. 5.2. I I I 1 6 t o 20 4 1 60 60 60 60 64 64 65 61 69 10 12 75 76 78 81 82 83 84 84 84 85 86 86 88 92 105 TECHN ICAL DATA Electrical specifications General data Power supply with rechargeable batteries ACCESSOR tES Accessories supplied with the instrument Optional accessories CIRCUIT DESC

39、R IPTION General Principle of operation Detailed circuit description Specifications of !Cs used in the Plil 2517 ACCES General Dismantling the PM 2517 Replacing parts CH ECKING AND AOJUSTING General Adjusting table 5 5 7 8 6. TROUBLE SHOOTING 6.1. Power supply 6.2. Display 6.3. ADC 6.4. V-attenuator

40、 6.5. Ranging 6.6. V- ranges 6.7. f,2 ranges 6.8. A-ranges 6,9. A- ranges 6.10. oC range 6.11. if range 6.12. Stand-by 6.13. Data hold 7. PABTS LIST, 1 .1. lvlechanical 7 -2. Electrical 1 .3. Modif ications in rhe Pi 2517E Prlr 2517 X RadioFans.CN 收音机爱 好者资料库 IMPORTANT ln correspondence concerning th

41、is instrument, please quote the tVpe number and serial number as given on the type plate. WICHTIG 8ei Schriftwechsel ber dieses Gert wird gebeten, die genaue Typenbezeichnung und die Gertenummer anzugeben. Diese beinden sich auf dem Leistungsschild. IMPORTANT RECHANGE DES PIECES DETACHEES (R6paratio

42、ns) Dans votre correspondance et dans vos r6clamations se rapportant cet appareil, veuillez TOUJOURS indiquer le num6ro de type et le num610 de s6rie quisont marqu6s sur la plaquette de caract6ristiques. rl , ? t t t t ._ Note. Bemerkung: Remarques: The design of this instrument is sublect to contin

43、uous development and imprcvement. Consequently, this instrument may incorporate minor changes in detail from the information contained in this manual. Die Konstruktion und Schaltung dieses Gerts wird stndig weiteren twickelt und verbessert. Deswegen kann dieses Gerdt von cien in dieser Anleitung ste

44、henden Angaben abweichen. Cet appareil est lobjet de d6veloppemens et amliorctions continuels. En consquence. certains dtails mineu peuvent diffrer des informations donn6es dans la pr6sente notice demploi et dentretien. , q + r I N.V. PHILIPS GLOEILAMPENFABRIEKEN _ EINDHOVEN _ THE NETHERLANDS _ 1979

45、 RadioFans.CN 收音机爱 好者资料库 PHITIPS l l l l j l l l I , o l l l j l l j o l ) .l l I Service Manual Automatic Digital Multimeter PM2517E 9441 625 11O.1 From serial number Dl,4 02 4926 onwards 5T 233( 9499 475 01311 RadioFans.CN 收音机爱 好者资料库 4 LIST OF FIGURES L r t - | r - t.1 r Ll r I Ll t_ r t t_ L 2. 3

46、. 4. 5. 6. 7. 8. 9. 10. 1 1 . 12. 13. t o . 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 32. 33. 34. 35. 36. 37. 38. 39. 40. 42. 43. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. Page 1 0 14 14 14 1 4 1 3 1 4 1 4 1 4 1 8 20 20 22 25 25 27 27 27 28 31 29 32 33 39 40 41 41 43 43 44 4B 48 52 54 56

47、 5B 62 62 62 61 62 64 66 87 87 81 B7 95 96 91 98 101 r I -l t : t- t Power supply Temperature probe Pl.4 9248 Data hold probe PM 9263 H F probe PM 921 0 Accessory set PN4 9212 R.F. probe PlVl 9213 EHT probe PM 9246 Current transformer Plvl 9245 Shunt PlVl 9244 Block d iagram PM 2517E Basic built up

48、of Pltl 2517E D.c. voltage measurements A.c. voltage measurements D.c. current measurements A.c. current measurements Resistance measurements Compensation of ADC current Protection resistance ranges Temperature measurements ADC Data signals examples BIock diagram of digital section Flow chart and ti

49、m ing Pulse diaqram of UP/DOWN/AUT ranging Timing of display unil Power supply signals Pinning HEF 451 1B B lock diagram HEF 45118 LED indication Pinning HEF 45558 B lock diagram HEF 45558 Pinning and block diagram of OO 0055 Pinning OO 0059 B lock diagram OO 0059 Pinning and block diagram OO 0060 Pinning and block diagram OO 0061 Pinning and block diagram OO 0063 Pinning and block diagram OO 0064 D ismantling the Plvl 2517 Inside top view on p.c. board Inside view of top cover Mo