Hameg HM303-3 电路图.pdf

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1、 Instruments Oscilloscope HM 303-3 ENGLISH 4S-0303-03E0 01 SEP 1997 SERVICE-MANUALHM303-3 RadioFans.CN 收音机爱 好者资料库 Circuit Diagrams HM303 /-2 /-3 Printed in Germany St.0997; goRR HM303. 3 HM303-2. 13 HM303-3. 35 RadioFans.CN 收音机爱 好者资料库 2 Subject to change without notice RadioFans.CN 收音机爱 好者资料库 3 Subj

2、ect to change without notice Y-Preamplifier CH I (YP-Board) HM303 4 Subject to change without notice Y-Preamplifier CH II (YP-Board) HM303 5 Subject to change without notice Y-Intermediate Amplifier and Trigger Amplifier (YP-Board) HM303 6 Subject to change without notice Timebase Generator (TB-Boar

3、d) HM303 Date: May 3, 1994Sheet 3of 3 SizeDocument NumberREV BTB30311.SCH01 Title SWEEP-GENERATOR HM 303 HAMEG GMBH - FRANKFURT/W.GERMANY +12V R3600 6R8/ C3601 0.1uF+ C3600 10uF/35V S3600D uncal 6.1V-7.1V cal 6.6V-9.5V R3670 274RSW3600CSW3600BSW3600A A1A2A3A4 R3612 33K2 R3611 332K R3613 8K25 R3614 9

4、K09 R3617 100R R3607 1M0 R3606 1M0 R3605 1M0 R3618 475R+C R3663 30K1 0.5% B1B2 R3664 2K98 0.5% R3661 30K1 R3658 988K 0.5% R3657 988K 0.5% R3662 301K 0.5% B3 R3659 988K 0.5% R3669 20K0 0.5% R3668 4K99 0.5% D1 R3673 4K75 R3667 13K3 0.5% R3666 20K0 0.5% D2D3 TB-BOARD 3/3 SW3600 ABCD A1 A2 A3 B1 B2 B1 D

5、3 D1 A1B1* * * * * * VR3672 10K 0.1us 0.2us 0.5us 1us TB R25 R3672 475K R3674 4K75 +6V C3669 1nF 5 6 7 IC3651B TLC272 R3676 47K5 RTB 0R T3606 BC850C R3616 100R+ RHO P3902/4 HOvar 0R TB2 T3605 BC860C C3616 0.1u R3615 3K32 to R3234 C3652 1nF R3651 51R1 +6V 3 2 1 8 4 IC3651A TLC272 R3675 51R1 R3671 100

6、K 1 3 2 VR3671 RV10K 2us 5us 10us 20us 50us 0.1ms A3 A3 A4 A4 A4 B3 B2 B3 B2 B3 D3 D1 D3 D1 * * * * * * * * A1 A2 A3 A3 A3 B1 B2 B1 B2 B2 D2 D1 D2 D1 A1B1C C C C C C * * 0.2ms 0.5ms 1ms 2ms 5ms 10ms T-VAR+6V C3671 0.1uF +3V R3654 475R R3652 100R T3651 BC860C P3901/4 R3653 1K0+ 0R +9VC TB1 R3603 33R2

7、 HO TO R3505 TB2 SDPA 3.5V R3602 301R FROM IC3501/5 TB2 R3601 1K0+ T3604 BC850C C3604 0.22uF C3603 100pF T3602 BFS20 D3621 LL4151 R3621 4K75 R3604 33R2 R3622 15K0 0R R3644 33R2+ C3637 2p7 R3640 100R R3647 33R2 C3647 1nF +12VTB 20ms 50ms 0.2s 0.1s A4 A4 A4 B3 B3 B3 D2 D1 C C C C * * + = 0207 Met.Film

8、 0V 4.8V AS TB2 R3648 3K32 R3646 100R+ T3648 BC850C 3 1 2 T3645 BF256B1 Fo Fo R3645 3K32+ C3643 200pFx 160V 1% T3642 BC850C 1 2 VC3643 2-22pFH R3643 51R1 C3642 0.47uFx63V R3641 33R2 R3642 33R2 T3637 FST627 R3623 4K75+ R3638 10K0 D3634 LL4151 R3636 332R+ C3636 33pF R3632 1K50 C3632 22p R3637 51R1 0V

9、FROM IC3501/6 SDPB 0V 3.5V R3631 221R TB2 C3633 100p T3634 BF824 R3633 3K92 R3634 200R R3635 1K50 R3624 15K0+ C3699 10uF/35V R3699 6R8/ C3698 0.1uF -12V / = 0207 Carb. 7 Subject to change without notice Timebase Circuit (TB-Board) HM303 8 Subject to change without notice Trigger Circuit (TB-Board) H

10、M303 Date:September 3, 1997Sheet 1of 3 SizeDocument NumberREV CTRF30311.SCH1 FA. HAMEG GMBH FRANKFURT/MAIN GERMANY +12VSY XYS R3464 51R1+ P3020/1 TB-BOARD 1/3 +12VSY P3000 1 2 3 T3545 BC850 R3545 10K0 XYCTL +12V R3163 5K11 C3164 33p R3164 100R D3167 LL4151 C3167 * R3167 * R3168 61K9+ +12V Y-OUT R330

11、1 6R8 R3162 3K32 D3161 LL4151 D3162 LED R3190 * R3191 * R3192 * +12VSY R3112 150R R3113 475R +12V R3115 6R8/ +12VSY 0R C3201 0.1u C3200 10u/35V R3200 6R8/ 1 2 3 4 5 6 P3000 LINE +12V -12V 7.4V C3298 0.1u C3299 10u/35V R3299 6R8/ 0R C3117 1nF C3115 0.1uF+ R3105 1K0 R3101 33R2 C3103 * R3103 3K01 T3101

12、 BFT92 -12VSY R3107 432R T3105 BF824 T3103 BF824 275mV/div R3302 10K0 -12V R3161 100K R3166 221K D3302 LL4151 T3163 BC860 1 2 3 4 5 6 7 8 9 10 11 12 SW3301 SCH5S R3454 2K21 C3302 1uF C3301 u22 XYL R3165 61K9 P3603/2 P3020/2 T3454 BC860 R3456 51R1 R3455 51R1 0R R3461 51R1+ T3455 BFS20 C3468 0.1u C346

13、4 0.1u R3462 3K32 3 4 14 11 9 68 1 01 1 3 IC3461 NE529 R3465 6R8/ C3465 10u/35V C3462 10u/ 35V 0R +5V 123 456 SW3471 SLOPE TRCL R3471 150R+ R3478 100R R3479 100R -12VSY +12VSY to IC3501/3 TB3 R3476 10K0 C3466 0.1u TVPOL C3467 10u/35V -12VSY R3466 51R1 to R3202 3 2 15 6 7 4 IC3471 LM741 R3471 51R1 C3

14、463 1p R3463 3K32 -12VSY C3453 * R3457 1K0 C3461 0.1u L3461 0.22uH -12V R3328 221R R3451 47K5 R3453 51R1 R3450 * R3321 1K0 R3317 4K75 R3452 * R3303 10K0 R3304 10K0 R3306 100R R3305 2K74 -12VSY R3300 6R8/ R3307 10K0 D3306 LL4151 C3308 0.22u C3307 0.22u R3109 33R2 T3104 BF824 R3111 3K92 R3201 4K75+ D3

15、108 ZD5V6 R3106 1K0 R3102 33R2 C3104 * T3102 BFT92 R3104 3K01 R3100 * C3100 * 0R 1 2 3 4 5 6 P3100 C3111 0.1uF C3113 1nF 123 456 SW3101 SCH2S C3112 10u/35V TREXT +12VSY -12V R3110 6R8/ C3311 0.1u T3311 BC850 R3311 221K C3313 u22 R3313 * C3312 0.1u/100V R3312 100K+ LINE R3314 5K11 C3317 0.1u T3317 BC

16、850 P3000/1 R3316 10K0 C3471 0.1u R3482 15K0 +12VSY R3475 1M0 R3472 4K75 C3473 0.1u VR3475 20K -12VSY R3474 100R T3476 BC860 C3475 0.1u C3476 0.1u +12VSY ATL to R3532 TB3 R3406 4K75 T3404 BF824 R3410 100R R3484 100R+ +12VSY R3473 100R 4 1 D3418A BAS28 R3418 1K0 R3416 3K01 T3225 BC860 D3404 LL4151 R3

17、404 100R R3481 4K75 R3483 10K0 R3222 51R1 D3481 LL4151 +12VSY R3215 10K0 -12VSY C3303 0.1u R3211 5K62 TREXH R3146 1K0 R3147 10K0 T3146 BC860 R3149 100K R3145 33R2/ P3603/5 C3300 * +12V R3143 182R T3141 BC860 R3142 22K1 R3141 10K0 3 1 D3102A BAW56 R3148 3K32 3 2 D3102B BAW56 0R R3140 33R2+ 41 D3101B

18、BAS28 XYL P3603/2 P3020/2 EXTINP R3123 51R1 C3123 0.1u C3122 2p2 R3121 511KP3121 3 1 2 T3121 BF256B1 R3127 51R1 C3132 0.1uF 32 D3101A BAS28 TVPOL R3120 6R8 R3202 51R1 R3203 27K4 +12VSY 32 D3203B BAV99 R3207 4M7 C3207 * C3203 22n T3207 BC850 R3213 10K0 C3213 1nF 1 2 D3211 2V7 T3211 BC860 R3216 475R R

19、3218 475R R3220 1K0 R3217 221R R3219 221R D3225 * C3219 10n C3217 10n -12VSY R3221 * C3221 * R3412 10K0 R3225 * R3402 1K0 T3402 BFS20 R3413 10M0+ R3414 10M0+ T3406 BC850 C3414 22nF C3413 22nF -12VSY +12VSY 5 6 7 IC3401B TL082 1 3 2 VR3401 PT10K AC12H +12VSY 123 456 SW3401 0R 0R -12VSY via R3300 6R8

20、-12VSY +12VSY AT/Norm 0R T3405 BC860 T3403 BFS20 0R 3 2 D3418B BAS28 3 2 1 8 4 IC3401A TL082 R3415 3K01 R3403 100R R3411 10K0 R3401 1K0 T3401 BF824 R3226 100K +9VC T3214 BC850 T3234 BC850 C3212 0.1u +12VSY T3221 BC850 TB2 R3232 22K1 R3234 22K1+ C3208 * T3208 BC860C R3214 10K0 C3204 22n R3208 4M7 12

21、D3212 2V7 R3205 221K R3204 27K4 R3135 51R1 1 3 D3203A BAV99 SW3471 R3129 51R1 T3122 BFS20 R3131 750R R3132 750R R3133 511R T3131 BFS20 T3132 BFS20 100Vmax C3121 15p R3122 511K R3324 221R C3131 0.1u VR3125 5K D3121 BAQ33 EXT DC R3125 3K32 R3134 392R R3130 6R8 R3128 1K0 0R T3205 BC850C R3206 100K -12V

22、SY R3212 5K62 R3231 4K75 R3233 15K0 C3234 0.1u D3403 LL4151 -12VSY VAL/ VAL+ BV0207 CARB BV0207 MET.FILM R3405 4K75 R3409 100R R3417 1K0 -12VSY 9 Subject to change without notice Power Supply (PS-Board) HM303 10 Subject to change without notice YP-Board (Topside) HM303 11 Subject to change without n

23、otice YP-Board (Solderside) HM303 12 Subject to change without notice Oscilloscope Circuit diagramsHM303 - 2 14 Subject to change without notice 15 Subject to change without notice Y-Preamplifier CH I(YP-Board) HM303-2 16 Subject to change without notice Y-Preamplifier CH II(YP-Board) HM303-2 17 Sub

24、ject to change without notice Y-Intermediate Amplifier and Trigger Amplifier (YP Board) HM303-2 18 Subject to change without notice Calibrator and Component tester (CC-Board) HM303-2 19 Subject to change without notice CRT-Circuit (CT Board) HM303-2 20 Subject to change without notice X and Y-Finala

25、mplifier (XY-Board) HM303-2 21 Subject to change without notice Power Supply (PS-Board) HM303-2 A B C D 87654321 D C B A 12345678 Title :Rev.: R Date : Document Number : MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT MPT 8 1 2 3 4 5 6 7 8 9 10 11 12 13 16 15 14 17 DR1001 ETD39/303 P

26、1001 Power Recept. S1001 NT R1001 NTC 8 C1006 2200p Y 250V U R1005 S14K275 C1003 0.33u X2 250V 14 32 L1001 2x33mH 1A C1002 0.1u X2 250V R1019 1K00 R1030 681R R1020 75K D1007 BZV55B16 C1001 4700p Y 250V + C1011 68u 400V + C1025 68u 400V F1001 0.5AF R1037 8K25 R1031 200K 1 2 4 6 5 IC1001 CNY17-2Z R106

27、8 1K3 R1065 1K3 C1027 220p 400V R1018 100K 411 R1060 4K99 6 3 2 8 5 1 4 7 IC1003 C1041 0.1u 50V + C1020 220u 16V R1045 10K0 C1012 1n 250V R1039 200R R1032 5K11 R1026 47K5 R1033 1K82 R1008 1K0 23 D1011 BAS20 D1017 BYD37M R1017 100K 411 1 32 T1003 STHV82FI ISOWATT 218 R1013 R207 200K R1021 75K C1005 2

28、200p Y 250V 3 21 IC1002 TL431C TO-92A C1021 100p 2kV D1022 BYD77G D1019 BYD77G R1010 R207 90R9 D1027BYD37M + C1026 330u 25V + C1029 1000u 16V + C1023 1000u 16V + C1022 330u 25V C1033 0.1u 400V MKT L1005 68uH 1.5A L1004 68uH 1.5A L1003 220uH 1A C1035 10n 400V MKT D1025DD1400 D1024DD1400 D1016DD1400 1

29、 2 3 4 5 6 P1010 WIRE6 + C1009 100u 35V D1014BYD37M D1012BYT01-400 + C1015 100u 16V R1035 22R R1015 0R222W 2 3 1 T1011 BC850c SOT-23 1 2 3 T1009 BC860 SOT-23 c C1044 1n 50V R1059 1K00 R1047 22K1 4 2 1 3 D1001 FL406 + C1030 10u 250V + C1017 1u 50V + C1028 22u 160V D1026BYD37M 3 21 T1004 TO-126 BD434

30、2 3 1 T1012 BC850 SOT-23 c R1062 619R + C1032 100u 16V R1053 619R 1 2 3 T1008 BC860 SOT-23 c 3 21 T1002 BD433 TO-126 C1042 1n 50V R1061 10K0 R1056 10K0+ C1034 100u 16V R1054 3K01 - + 3 2 1 IC1004A TL082CNR1055 511R R1043 7K50 C1045 0.1u 50V C1046 0.1u 50V 2 31 T1006 BF822 R1024 1M00 R1011 10M0 VR37

31、R1034 1M00 R1027 0R0 R1023 750K C1004 47n 2kV D1010 BZV55C75 R1067 1K00 R1057 4K32 2 31 T1007 BF822 SOT-23 R1012 6M81 VR37 R1064 47K5 R1044 475K R1041 475K R1040 10K0 R1006 470K R1007 1M00 1 2 3 T1005 BC860 SOT-23 c C1018 10n 400V C1024 68p 3KV C1007 10n 400V C1010 0.1u 100V R1004 470K R1003 470K C1

32、043 10n 50V R1069 8K25 1 2 3 4 5 6 P1003 WIRE6 R1028 1M00 D1005 LL4151 D1018 LL4151 R1058 750K R1046 22K1 1 2 3 4 5 6 P1005 WIRE6 B1003 1 2 3 4 5 6 P1002 MOLEX6S R1002 332K VR37 +Vcc -Vcc 4 8 IC1004C TL082CN C1019 10n 2kV R1025 27k4 R1014 0R39 2 31 T1010 BC850 SOT-23 c R1052 511R R105112K1 D1015 LL4

33、151 - + 5 6 7 IC1004B TL082CN R1063 2k21 3 21 IC1005 TL431C TO-92A R1071 1K0 R1072 3K32 R1016 1K0 R1070 1K00 D1023 LL4151 R1066 7K50 R1029 1M00 R1009 R207 90R9 B1007 D1013 LL4151 D1020BYD37M D1021BYD37M 1 2 3 4 5 6 P1008 WIRE6 B1008 B1009 B1011 1 2 3 4 5 6 P1009 WIRE6 L1006 68uH 1.5A C1016 0.1u 100V

34、 1 2 3 5 4 6 7 8 9 10 B1010 D1009 BYD37M D1004 BYV27-100 D1003BYV27-100 R1022 1K82 R1036 750K R1042 750K B1013 + C1031 22u 160V L1007 68uH 1.5A + C1036 10u 250V C1037 0.1u 250V MKT 13 14 15 16 17 18 19 20 21 C1040 0.1u 50V R1038 0R0 C1039 4n7 50V D1006 LL4151 R1050 332K R1048 301K R1049 56K2 1 3 2 T

35、1001 BUX86 TO-126 B1001 R1073 R207 1K0 R1074 75K + C1038 1u 50V LINE +185V +141V 31V +12V -12V +12V G1 LINE +12V -12V G1 -13.5V +13.5V 12.9V 0.4V +13.5V -13.5V HVC +12V -12V +141V +185V -12V +12V 6.3V FOKUS HT14 -1950V -1950V +12V BLV BLV HT1 HT14 -2025V HT1 22 Subject to change without notice YP-Bo

36、ard (Topside) HM303-2 23 Subject to change without notice YP-Board (Solderside) HM303-2 24 Subject to change without notice PS Board (Topside) HM303-2 25 Subject to change without notice PS-Board (Solderside) HM303-2 26 Subject to change without notice + - + - HM303-2 27 Subject to change without no

37、tice Trigger circuit (TB-Board) HM302-2 28 Subject to change without notice Timebase Circuit (TB-Board) HM303-2 29 Subject to change without notice Timebase Generator (TB-Board) HM303-2 30 Subject to change without notice Component Location TB-Board (Topside) HM303-2 31 Subject to change without not

38、ice Component Location TB-Board (Solderside) HM303-2 32 Subject to change without notice Component Location CC-Board and CT-Board (Top and Solderside) HM303-2 33 Subject to change without notice Component Location XY-Board (Top and Solderside) HM303-2 34 Subject to change without notice Oscilloscope

39、 Circuit diagrams HM303 - 3 36 Subject to change without notice 37 Subject to change without notice Y-Preamplifier CH I (YP-Board)HM303-3 38 Subject to change without notice Y-Preamplifier CH II (YP-Board)HM303-3 39 Subject to change without notice Y-Intermediate Amplifier and Trigger Amplifier (YP-

40、Board) HM303-3 40 Subject to change without notice Component Location YP - Board (Topside)HM303-3 41 Subject to change without notice Component Location YP - Board (Solderside) HM303-3 Hongkong HAMEG LTD Flat B, 7/F, Wing Hing Ind. Bldg., 499 Castle Peak Road, Lai Chi Kok, Kowloon Phone(852) 2 793 0

41、218 Telefax(852) 2 763 5236 E-mail: United States of America HAMEG, Inc. 266 East Meadow Avenue EAST MEADOW, NY 11554 Phone(516) 794 4080 Toll-free(800) 247 1241 Telefax(516) 794 1855 E-mail: Great Britain HAMEG LTD 74-78 Collingdon Street LUTON Bedfordshire LU1 1RX Phone(01582)413174 Telefax(01582)

42、456416 E-mail: saleshameg.co.uk Spain HAMEG S.L. Villarroel 172-174 08036 BARCELONA Telf.(93)4301597 Telefax(93)321220 E-mail: emailhameg.es France HAMEG S.a.r.l 5-9, av. de la Rpublique 94800-VILLEJUIF Tl.(1) 4677 8151 Telefax(1) 4726 3544 E-mail: hamegcommagic.fr Germany HAMEG GmbH Industriestrae

43、6 63533 Mainhausen Tel. (06182) 8909 - 0 Telefax (06182) 8909 - 30 E-mail: saleshameg.de HAMEG Service Kelsterbacher Str. 15-19 60528 FRANKFURT am Main Tel. (069) 67805 - 24 Telefax (069) 67805 - 31 E-mail: servicehameg.de Printed in Germany Instruments Oscilloscopes Multimeters Counters Frequency Synthesizers Generators R- and LC-Meters Spectrum Analyzers Power Supplies Curve Tracers Time Standards 4S-0303-03E0