Goldstar OS-7020 Service Manual Download Page 15

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Summary of Contents for OS-7020

Page 1: ...GoldStar MODEL OS 7020 OSCILLOSCOPE SERVICE MANUAL GoklStar Praclslon Co Ltd ...

Page 2: ...GoldStar MODEL OS 7020 OSCILLOSCOPE SERVICE MANUAL GoldStar Pn dslon Co Ltd ...

Page 3: ...age measurement 12 6 3 Frequency measurement 14 6 4 Rise fall time measurement 15 JI 6 5 Pulse width measurement 16 6 6 Phase measurement 16 7 Circuit description 18 8 Calibration 21 8 1 Period of check and calibration 21 8 2 Test equipment required 21 8 3 Preliminary procedure 21 8 4 Preliminary control settings 23 8 5 Initial starting procedure 23 9 Semiconductor lead configurations 34 10 Electr...

Page 4: ... 55 13 PANEL OTHERS 57 11 Electrical Parts arrangement 59 with Adjustment Location 12 Block diagram 62 13 Schematic diagrams 63 14 Wiring diagram 75 15 Mechanical parts List and exploded view 77 NOTICE ____ This Service Manual describes the most typical product of this model If there are any spe cific differences between this Manual and the servicing unit please contact GoldStar Precision sales of...

Page 5: ...ans of the stable accerelating potential of 2KV 2 Vertical deflection factor is from 5mV div to 5V div in a 1 2 5 sequence x5 Magnifier increases sensitivity of each deflection 3 Horizontal deflection system provides sweep rates from 0 2pS div to 0 2S div in a 1 2 5 sequence 10 times sweep magnification and X Y operation for Lissajou s pattern 4 The Trigger system provides an internal triggering e...

Page 6: ...e Rise Time DC to 20MHZ 3dB and 17 SnS or less DC to at least 7MHZ and sons or less at x5 Magnifier extends AC coupled lower 3dB frequency is lOHZ or less Deflection factor VARIABLE is pushed Xl 5mV div to 5V div in 10 calibrated steps in a 1 2 5 sequence accuracy 3 10 c 3s0 c VARIABLE is pulled PULL x 5MAG The uncalibrated continuous control extends deflection factor from lmV div to at least 12 5...

Page 7: ...d continuous control extends deflection factor to at least 0 5 seconds per divi ion in the 0 2s div position accuracy 3 10 c 3s0 c xl0MAG extends maximum sweep rate to 20ns div accuracy z5 10 c 3s0 c Triggering system MODE Automatic Normal TV V TV H SOURCE CHl CH2 LINE External COUPLING AC 25HZ to full bandwidth HF Rejection use signal below 15KHz LF Rejection use signal over 15KHz DC DC to full b...

Page 8: ...nput voltage 300V DC peak AC or 500Vp p AC lKHz or less X Y Operation CHl Horizontal CH2 Vertical Deflection factor same as vertical deflection Accuracy X 3 l0 C 35 C Y 3 10 c 3s0 c Additional error for magnifier 2 X bandwidth DC to at least 500KHZ Phase error 3 or less from 0C to 20KHZ Z AXIS input I Positive going signal decrease intensity 5Vp p noticeable modulation at normal intensity for DC 2...

Page 9: ...y 50 60 40QHz Power consumption Environment I Approx 35W Limit of operation temperature Limit of operation humidity Rated range of use temperature Rated range of use humidity Storage and transport temperature 0 40 C 32 l04 F 35 85 10 35 C 50 95 F 45 85 20 70 C 4 158 F Dimension and weight Approx Approx 290 W x 145 H x 375 D mm ll 6 W x 5 8 H x 15 D inches 8 0Kg l7 6Ibs 3 ACCESSORIES This instrumen...

Page 10: ... _ _ N OIII __ a r c1 ll1L I t N 11ew I f lff lJl f I t t _ flU H I c 0SOU05C0Pt os 1010 REAR VIEW _ TOP VIEW FRONT VIEW r 0 _ _ iO j _ _ r rtY i _ __ 0 c I 1 I I 1 f i g J CJ u IGoldStor1 osouoscoPE os 1010 l 0 0 Ol i Q I 1 r 1 I j __ __ UL 1 I _J ...

Page 11: ...onents parts of results in trouble Smeared switch contacts of connector pins can be the cause of defective contact and smearing of the circuit can cause arcing between circuits particularly in moist season Cleaning agents recommended and those prohibited are listed as below Recornrne ded agent Alcohol gasoline of keroscene Prohibited agent I II Acetone tri ethyl ketone lacquer thinner or agent con...

Page 12: ...cohol to remove persistent smearing 5 2 Visual inspection The instrument should be inspected occasionally for such defects as broken connections improperly seated transistors damaged circuit boards and heat damaged parts The correc tive procedure for most visible defects is apparent howe ver articular care must be taken if heat damaged components are found Overheating usually indicates other troub...

Page 13: ...S DIV VARIABLE TIME DIV sweep VARIABLE O lV CAL o sms CAL Horizontal POSITION CENTER 2 Set the probe switch to x10 and connect the probe between the input connector and the CAL OUT terminal 3 Display the calibration voltage waveform with 5 divisions amplitude 4 Adjust the variable capacitor of the probe using the small driver and set the top of the waveform to the correct phasing shown in Fig 6 1 ...

Page 14: ...ctor The vertical displacement of the trace gives the voltage amplitude of the signal When the trace shifts upward the measur ed voltage is positive with regard to the ground poten tial when the trace shifts downward the voltage is ne gative The voltage can be obtained by Equation or 2 a Measurement with the xl position of the probe Voltage V VOLTS DIV setting value V div x Displayed amplitude of ...

Page 15: ...n the waveform superimposed on DC current is measu red set the AC GND DC switch to DC in order to measure the value including DC component or set this switch to AC in order to measure AC component only The measured value by means of this procedure is peak value Vp p Effective value Vrms of a sine wave signal can be Effective voltage Vrms given by Equation Peak voltage Vp p 2 ff 3 Vp p rz l r r 1 T...

Page 16: ...ed with the first method This accuracy is approximately equal to the rated accuracy of sweep rate However when N is small the count below decimal point becomes very ambiguous which results in considerable error For the measurement of comparatively low frequencies having a simple pattern such as sine wave square wave triangle wave and sawtooth wave measurement with high accuracy can be effected by ...

Page 17: ...e point at which the rising falling edge crosses the horizontal center line 3 Shift and set the lower 10 point of the waveform to the vertical center line of the graticule as shown by the dotted line in Fig 6 5 Read the distance T2 between the vertical center line and the point at which the rising or falling edge crosses the horizontal center line 4 Calculate the rise or fall time by substituting ...

Page 18: ... 6 6 90 4 J I I rz r r T T r r r 1 1 1 I Fig 6 6 Pulsewidth measurement 2 Set the TIME DIV switch in order to make the easy observa tion of the signal 3 Read the distance between c nters of rising and falling edges i e the distance between two points at which pulse edges cross the horizontal center line of the graticule 6 6 Phase Measur ment The measurement of phase difference between two signals ...

Page 19: ... 1 I V V t cc i 02 LIS9 JOU llffl I C C C Fig 6 7 Phase difference measurement using X Y operation The second method is an application of dual trace function Fig 6 8 shows an example of dual trace display of leading and lagging sine wave signals having the same frequency Fig 6 8 Phase difference measurement by dual trace display 17 ...

Page 20: ...lection The Channel 1 and 2 Vertical Preamp circuits provide control of input coupling vertical deflection factor DC balance Vertical position and vertical gain They also contain a stage to provide a sample of the input signal to the Tigger Preamp circuit for internal triggering from the Channell and or Channel 2 signal only I Vertical switching circuit j The vertical switching circuit determines ...

Page 21: ...e of the line voltage applied to the instrument Controls are provided in this circuit to select trigger level slope and source The trigger MODE switch determines the oper ating mode for the trigger circuit In the NORM position a sweep is produced only when a trigger pulse is received from the Trigger Generator circuit Operation in the AUTO position is the same mode as NORM position except that a f...

Page 22: ...r Supply circuit provides the operation power for this instrument from five regulated supplies and one unregu lated supply The Power Input stage is provided with a Voltage Selector Assembly This selector allows selection of the nominal operating voltage and regulating range for the instrument Calibrator I The Calibrator circuit produces i square w ve output with accurate amplitude and frequency Th...

Page 23: ...s I bO bO I c s C Ill 1 4 I 0 I c µl 0 C 0 If 0 0 I 0 Ill E E C N I 0 0 0 a C I O I 10 OO I N 0 0 I E M E 111 o 0 If I 0 0 111 0 0 Ill I I c 0 0 C Ill E c u Oz Oi Q If I 11 1 4 J 0 C c s 0 0 I I C 0 c E o Ill Ill E 1 4 c 0 0 c o I Ir C c 0 I 0 J C If 0 0 I 0 0 u z 0 i o u z i Q Ill I 0 0 I c c 0 u C 0 0 I 0 Ill I 0 I 0 S 0 a tlS E H c1S I C I bO Ill c1S C C 0 bO u vi I 0 a e c s 0 0 c1S c1S 0 il C...

Page 24: ...in SLOPE Normal HORZ H POSITION Midrange MODE AUTO PULL X10 MAG or al Pushed in TIME DIV 1 ms TRIG SOURCE CH1 8 5 nitial starting procedure 1 Rotate the INTENsity control to the midrange and set the POWER switch to ON 2 Wait a few seconds for the cathode ray tube CRT to warm up A trace should appear on the CRT 3 If tz acedteappeaz s increase clockwise the INTENsity control setting until the trace ...

Page 25: ...o lL JV b Connect the DVM between the lLV Line P810 L and ground lL J to 11 V c Connect the DVM between the 5V line P810 3 and ground 4 a to 5 LV d Connect the DVM between the 51V line P810 5 and ground 50 5 to 51 5V i Conect THE PROB l0xl with X R674 and X R663 on the horizontal board li Set O SCOPE VOLT DIV to 5V RANGE and also the lines of wave form of CHl and CHL must be coincided with Ref Lin...

Page 26: ...ground 150 to 170V f Connect the DVM between the 180V linel 810 7 and ground 170 to 190V g Connect the DVM between the 18V linelP804 l and ground 17 to 19V 2 Check high voltage supply a Connect the DVM between the H V lP61L 6 and ground with a high voltage probe b Check for a reading of 1 995 to 1 805V 25 ...

Page 27: ... makes a just appear Check adjust trace rotation a Position the trace to the center graticule line b Check that the trace is in parallel with the center horizontal line c Adjust TRACE ROTATION screwdriver adjustment on front panel for a trace that is in parallel with the horizontal graticule lines Cbeck geometry a Set the TIME DIV to lhe 0 1 ms and the input coupling switch lo DC b Connect the con...

Page 28: ...ontrol settings C J Check adjust horizontal gain a Set the input AC GND DC to DC b Connect the cable to the output or the time mark generator c Set the time mark generator for O Sms time mai ks d Check that the time marks align with the graticule lines over the center eight divisions within J e Adjust the H GAIN adjustment VR605 so that the time marks coincide with the middle eight graticule lines...

Page 29: ...t end of the trace within O 2 div Check adjust low speed sweep accuracy a Set the time mark generator for 5 ms time marks b Set the TIME DIV switch to 5 ms c Check that the time marks align with the gra ticule lines over the middle eight divisions within d Adjust the 5 ms DIV adjustment VR609 so that the time marks coincide with the middle eight graticule lines Check adjust high speed sweep ac c u...

Page 30: ...05 division shift is oted when changing the VOLTS DIV setting Check adjust vertical position center a Set the POSITION control of CHl CH2 to center Position b Set the V MODE control to ALT mode c Adjust the CHl CH2 position center adjustment VR304 VR404 for a trace at the horizontal center line Check adjust x 1 AC GAIN a Set the TIME DIV switch to the 1 ms position b Set the VOLTS DIV switch to th...

Page 31: ...Check all the VOLTS DIV switch settings Check adjust input capaeity ATT 1 a Set the VOLTS DIV switch to the 10 mV position b Set the input coupling switches to DC c Connect the L C me re r to the input terminals d Check the input capacity for approx 23 pF Check adjust vertic al step response a Set the VOLTS DIV switch to the 5 mV position b Set the TIME DIV switch to the 0 5 µs position c Connect ...

Page 32: ... Adjust lhe trimmer capacitors refer to the circuit board illustration with adjustment location page 60 for a square wave that is flat flat lop under lhe fo_llowing settings ATT VOLTS DIV Square wave generator Adjust output CH1 CH2 10 0 1 V 0 5 V VC302 VC402 100 1 V 5 V VC 304 VC404 Check adjust input capacity ATT 10 100 a Connect the L C meter to the input connector b Check the input capacity for...

Page 33: ...lay of five divisions within 6 20 2 Check adjust X position center a Set the TIME DIV switch to the X Y position and the horizontal POSITION control to the midposition the input coupling switch of CHl to GND b Check to see that the round spot is near the center graticule and is within 0 l division against hori zontal line c Adjust the X CENT adjustment VR305 to the position spot at the center 20 3...

Page 34: ...n stepped out Check Adjust DC T IG a Set the TRIG COUPLE switch to DC the TRIG SOURCE to CHl the VOLTS DIV to 50mV the TIME DIV to l0uS b Connect the sine wave generator to the input connector of CHl for a 0 5 div 50KHz c Set the TRIG level knob to the midposition d Adjust VR306 so that synchronization is effected on the waveform 0 5 div on the screen e Next set the TRIG SLOPE to pull out state an...

Page 35: ...Hz a Connect the CAL terminal to the input of frequency counter FC 5015 b Adjust VR408 so that the the frequency be lKHz 20Hz c Next connect the CAL terminal to the input of CHl d Adjust VR407 so that 5 div be abserved e VOLTS DIV is set to O lmV 34 ...

Page 36: ... Y 2SI 304E 1 2 3 1 Source 2 Gate 3 Drain 2SC1907 KTA1015Y KTC1815Y 1 2 3 8 1 Emitter 2 Collector 3 Base Type of diode Electrode making Polarity 1N4005 1N l48 1S953 k ESJA52 12 IC 15S83 DZ 2 4 D 24B DZ 5 1 DZ 9 1B DZ 5 6B Top view O DC WO 04 S AC nput output 2 3 0 I Source 2N2907J I 2 Drain 1 3 Gate 2SB861 Qi 2SD6l3 1 1 Base Top 2 Collector view 3 Emitter 3 2SB648A 2 2 SD6 6 8A _ 1 2S8718C I 2SD75...

Page 37: ...1K RES C F l 4W 5 22 WIRE BUS lOMM 0 60D RES M F l 4W 0 5 900K RES M F l 4W 0 5 111K WIRE BUS 10MM 0 6D RES M F l 4W 0 5 990K RES M F l 4W 0 5 10 1K RES C F l 4W 5 22 WIRE BUS lOMM 0 60D RES C F l 4W 5 22 SWITCH LEVER SLR 023 SWITCH LEVER SLR 023 CAP TRIMMER CT5 N 10 0 lOPF CAP TRIMMER CT5 N 10 0 lOPF CAP TRIMMER CT5 r 10 0 lOPF CAP TRIMMER CT5 N l O 0 1 OPF CAP TRIMMER CT5 N 10 0 lOPF CAP TRIMMER...

Page 38: ...88 or DS4148 585 002 1 EA 23 CR302 DIODE ZENER DZ 7 5B 585 075 1 EA 24 CR303 DIODE ZENE DZ 9 lB 585 152 1 EA 25 1301 INDUCTOR 0 47UH LAL04NAR47M 628 178 1 EA 26 LED301 LED RF D KLR124E 588 031 1 EA 27 P303 CONNECTOR WAFER LW 0640 03 H L 531 002 7 1 EA 28 P306 CONNECTOR T JAFER LW 0640 04 H L 531 033 7 1 EA 29 Q301 TRANSISTOR 2SC1907 611 184 1 EA 30 Q302 FET 2SK304E 611 140 1 EA 31 Q303 TRANSISTOR ...

Page 39: ...P8200F 1 EA 73 R344 RES C F l 4W 5 120 RDOBP121J 1 EA 74 R345 RES C F l 4W 5 22K RDOBP223J 1 EA 75 R346 RES M F l 4W 1 1K RMBPlOOlF 1 EA 76 R347 RES M F l 4W 1 1K RMBP1001F 1 EA 77 R348 RES M F l 4W 1 3 3K RMBP3301F 1 EA 78 R349 RES M F 1 4W 1 3K RMBP3001F 1 EA 79 R352 RES M F l 4W 1 15K RMBP1502F 1 EA 80 R355 RES M F l 4W 1 3 3K RMBP3301F 1 EA 81 R356 RES ij F l 4W 1 3 3K RMBP3301F 1 EA 82 R357 R...

Page 40: ...7KB 572 002 1 EA 102 VR305 RES SEMI FIXED 562Z 10KB 572 001 1 EA 103 VR306 RES SEMI FIXED H0621A 4 7KB 572 307 1 EA 104 C351 CAP CER 500V 5 470PF TC CT2HL471J 1 EA 105 R380 RES C F l 4W 5 33K RDOBP333J 1 EA 106 C318 CAP CER 50V 5 680PF TC CT1ML681J 1 EA 107 C350 CAP CER 500V 5 10PF TC CT2HL1 p J 1 EA 39 ...

Page 41: ... RPF 983 012 1 EA 23 CR401 DIODE 1SS1588 or DS4148 585 002 1 EA 24 CR402 DIODE ZENER DZ 7 5B 585 075 1 EA 25 1401 INDUCTOR 0 47UH LAL04NAR47M 628 178 1 EA 26 LED401 LED RED KLR124E 588 031 1 EA 27 P403 CPMMECTOR WAFER LW 0640 03 H L 531 002 7 1 EA 28 P404 CONNECTOR WAFER LW 0640 03 H L 531 002 7 1 EA 29 P405 CONNECTOR WAFER LW 0640 02 H L 531 001 7 1 EA 30 Q401 TRANSISTOR 2SC1907 611 184 1 EA 31 Q...

Page 42: ...DOBP270J 1 EA 73 R439 RES M F l 4W 1 220 RMBP2200F 1 EA 74 R440 RES C F l 4W 5 22 RDOBP220J 1 EA 75 R441 RES M F l 4W 1 820 RMBP8200F l EA 76 R442 RES M F l 4W 1 820 RMBP82 00F 1 EA 77 R444 RES C F l 4W 5 120 RDOBP121J l EA 78 R445 RES C F 1 4W 5 22K RDOBP223J 1 EA 79 R446 RES M F l 4W 1 1K RMBPlOOlF l EA 80 R447 RES M F l 4W 1 1K RMBPlOOlF l EA 81 R448 RES M F l 4W 1 3 3K RMBP3301F 1 EA 82 R449 R...

Page 43: ... VR403 RES SEMI FIXED 562Z 100B 106 VR404 RES SEMI FIXED 562Z 47KB 107 VR405 RES SEMI FIXED 562Z 10KB 108 C451 CAP CER 500V 5 470PF TC 109 R480 RES C F 1 4W 5 33K 110 C450 CAP C F 500V 5 10PF T C PAGE 7 PART NUMEER QTY UNIT 574 048 1 EA 591 324 1 EA 57 2 66 1 EA 572 305 1 EA 572 018 1 EA 572 002 1 EA 572 001 1 EA CT2HL271J 1 EA RDOBP333J 1 EA CT2HL100J 1 EA 42 ...

Page 44: ...J 1 EA 24 R377 RES C F l 4W 5 27 RDOBP270J 1 EA 25 R378 RES C F 1 4W 5 2K RDOBP202J 1 EA 26 R467 RES C F 1 4W 5 100 RDOBPlO lJ 1 EA 27 R468 RES C F 1 4W 5 27 RDOBP270J 1 EA 28 R469 RES C F 1 4W 5 2K RDOBP202J 1 EA 29 R470 RES M F 1 4W 0 5 680 RMBP6800F 1 EA 30 R471 RES M F 1 4W 0 5 680 RMBP6800F 1 EA 31 R472 RES M F 1 4W 1 220 RMBP2200F 1 EA 32 R473 RES M F 1 4W 1 220 RMBP2200F 1 EA 33 R474 RES M ...

Page 45: ... RDOBP221J 1 EA 53 R500 RES M F 1 4W 1 100 RMBPlOOOF 1 EA 54 S402 SWITCH LEVER SLR 024 521 049 1 EA 55 U402 IC FD74LS74A 591 074 9 1 EA 56 U403 IC GD74LS14 591 075 9 1 EA 57 U404 IC HD74LSOOP 591 00lY 1 EA 58 VR407 RES SEMI FIXED 562Z 470B 572 021 1 EA 59 VR408 RES VAR SR19R 220 B GSA 572 071 1 EA 60 C446 CAP C F 50V Z 2700PF CK1EL104Z 1 EA 44 ...

Page 46: ... 100UF SRA 581 135 1 EA 22 C516 CAP CER 50V J 47PF TC BLACK CT1HL470J 1 EA 23 CR501 DIODE ZENER DZW 5 6 585 155 1 EA 24 CR502 DIODE ZENER DZ 5 1 585 111 1 EA 25 CR503 DIODE ZENER DZ 5 6B 585 056 1 1 EA 26 1501 INDUCTOR 2 2UH LAL04NA2R2M 628 179 1 EA 27 1502 INDUCTOR 2 2UH LAL04NA2R2M II 1 EA 28 P408 CONNECTOR WAFER LW 0640 05 H L 531 018 7 1 EA 29 P501 CONNECTOR PIN 5115 532 007 1 EA 30 P502 CONNE...

Page 47: ... F l 4W 1 1K RMBPlOOlF 1 EA 65 R521 RES M 0 2W 5 12K RS02Pl23J 1 EA 66 R522 RES M 0 2W 5 12K RS02Pl23J 1 EA 67 R523 RES M 0 2W 5 12K RS02Pl23J 1 EA 68 R524 RES M 0 2W 5 12K RS02Pl23J 1 EA 69 R525 RES M 0 1W 5 27K RS01P273J 1 EA 70 R526 RES C F l 4W 5 220 RDOBP221J 1 EA 71 R527 RES C F l 4W 5 220 RDOBP221J 1 EA 72 R528 RES M F l 4W 1 150 RMBP1500F 1 EA 73 R529 RES M F l 4W 1 150 RMBP1500F 1 EA 74 R...

Page 48: ...STOR KTA1015 Y 611 014 1 1 EA 21 R601 RES C F 1 4W 5 5 6K RIDBP 562J 1 EA 22 R602 RES C F l 4W 5 10K RDOBP103J 1 EA 23 R603 RES C F 1 4W 5 3K RDOBP302J 1 EA 24 R604 RES C F 1 4W 5 33K RDOBP333J 1 EA 25 R605 RES C F l 4W 5 12K RDOBP123J 1 EA 26 R606 RES C F 1 4W 5 3 3K RDOBP332J 1 EA 27 R607 RES C F 1 4W 5 39K RDOBP393J 1 EA 28 R608 RES C F l 4W 5 470K RDOBP474J 1 EA 29 R609 RES C F l 4W 5 100 RDOB...

Page 49: ... 2SC1907 611 184 1 EA 23 Q607 TRANSISTOR 2SC2901 611 151 1 EA 24 Q608 TRANSISTOR 2SA1206 611 021 1 EA 25 Q609 TRANSISTOR KTC1815 Y 611 001 1 1 EA 26 R625 RES C F l 4W 5 2 2K RDOBP222J 1 EA 27 R627 RES C F l 4W 5 33K RDOBP333J 1 EA 28 R628 RES C F l 4W 5 100 RDOBP lOlJ 1 EA 29 R629 RES C F l 4W 5 4 7K RDOBP472J 1 EA 30 R631 RES C F l 4W 5 15K RDOBP153J 1 EA 31 R632 RES C F l 4W 5 82 RDOBP820J 1 EA ...

Page 50: ...IC TL072CP CAP TRIMMER CT5 N 40 0 40PF RES SEMI FIXED 562Z 2 eKB RES SFMJ FIXED 562Z 2 21 Gi DIODE ZENER DZ 24B CAP CER 50V O OlUF RES C F l 4W 5 4 7K DIODE 1Sl588 OR DS 4148 DIODE 1Sl588 OR DS 4148 PART NUMBER 591 074 9 591 045 9 591 323 581 132 512 006 572 006 585 150 CKU1Ll03K REOBP472J 585 002 585 002 QTY 1 1 1 1 1 1 1 1 1 1 1 UNIT EA EA EA EA EA EA EA EA EA EA EA 49 ...

Page 51: ...W 0 5 110K RES M F l 4W 0 5 4 4M RES M F l 4W 0 5 l 1M RES M F l 4W 0 5 220K RES M F l 4W 0 5 2 2M RES M F l 4W 0 5 440K RES C F l 4W 5 470 RES C F l 4W 5 270 RES M F l 4W 1 680K RES M F l 4W 0 5 44K RES C F l 4W 5 l 2K SWITCH ROTARY 8394003 RES VAR Vl6L5ZS Ell3 3146 RES SEMI FIXED 562Z 2 2KB PART NUMBER I QTY I UNIT CH2EL105F CH2EL103F CH2EL473K CE1EL105R CK1HL681K CE1EL476R 585 002 526 025 588 0...

Page 52: ... 0640 04 H L 531 003 7 1 EA 23 P610 CONNECTOR WAFER LW 0640 07 H L 531 059 7 1 EA 24 Q611 TRANSISTOR 2SC1907 611 184 1 EA 25 Q612 TRANSISTOR 2SC1907 611 184 1 EA 26 Q613 TRANSISTOR 2SA1206 611 021 1 EA 27 Q614 TRANSISTOR 2SC1907 611 184 1 EA 28 Q615 TRANSISTOR 2SA1206 611 021 1 EA 29 Q616 TRANSISTOR 2SC1907 611 184 1 EA 30 Q617 TRANSISTOR 2SD668A 611 185 1 EA 31 Q618 TRANSISTOR 2SB648A 611 186 1 E...

Page 53: ... 1 EA 60 R668 RES C F 1 4W 5 1 5K RDOBP152J 1 EA 61 R669 RES M F 1 4W 1 560 RMBP5600F 1 EA 62 R670 RES M F 1 2W 1 100K RMCP1003F 1 EA 63 R671 RES C F 1 2W 5 270K RDOCP274J 1 EA 64 R672 RES C F 1 2W 5 47K RDOCP473J 1 EA 65 R674 RES C F l 4W 5 100 RDOBPlOlJ 1 EA 66 R721 RES C F l 4W 5 10 RDOBPlOOJ 1 EA 67 R722 RES C F l 4W 5 10 RDOBPlOOJ 1 EA 68 R723 RES C F 1 4W 5 10 RDOBPlOOJ 1 EA 69 R724 RES C F ...

Page 54: ...WAFER LW 0640 04 H L 9 R677 RES C F 1 4W 5 2 2K 10 R678 RES C F 1 4W 5 2 2K 11 R680 RES C F 1 4W 5 2 2K 12 R725 RES C F 1 4W 5 270 13 U606 IC GD74LS02 14 CR629 DIODE 1Sl588 OR DS 4148 15 C687 CAP ELE 25V 22UF PAGE 18 PART NUMBER QTY UNIT CK1HL102Z 1 EA CK1HL101K 1 EA CK1HL471K 1 EA CE1EL226R 1 EA 585 147 1 EA 585 147 1 EA 531 001 7 1 EA 531 003 7 1 EA RDOBP222J 1 EA RDOBP222J 1 EA RDOBP222J 1 EA R...

Page 55: ...2 1 EA 22 CR615 DIODE 1SS83 585 132 1 EA 23 CR616 DIODE ESJA52 12 585 149 1 EA 24 CR617 DIODE ESJA52 12 II 1 EA 25 CR618 DIODE ESJA52 12 II 1 EA 26 CR619 DIODE ESJA52 12 II 1 EA 27 CR620 DIODE 1S953 585 147 1 EA 28 CR621 DIODE 1N4148 585 002 1 EA 29 CR622 DIODE 1N4148 585 002 1 EA 30 F601 FUSE 125 250V 0 25A MF51NMTYPE 563 040 1 EA 31 FH601 PUSE PIN 20mm PCB Type 563 037 1 EA 32 NL601 NEON LAMP NE...

Page 56: ...ES C F l 4W 5 330 RES C F 1 4W 5 100K RES C F 1 4W 5 l 2K RES C F 1 4W 5 390 RES C F 1 4W 5 1 5K RES C F 1 4W 5 680 RES C F l 4W 5 10 RES C F 1 4W 5 10 RES C F l 4W 5 2 2 RES C F l 4W 5 8 2K RES C F l 4W 5 7 5K RES C F 1 2W 5 130 RES C F l 4W 5 82K RES C F 1 4W 5 100K TRANSFORMER HVT 3D 4011 RES SEMI FIXED 562Z 220KB RES SEMI FIXED 562Z 220KB RES C F 1 4W 5 2 7K PART NUMBER RDOBP183J RDOCP473J RDO...

Page 57: ... DIODE 1N4148 DIODE 1N4005 DIODE BRIDGE W0 04S 400Vl 5A CONNECTOR WAFER LW 1143 04 H L CONNECTOR WAFER LW 1143 07 H L CONNECTOR WAFER LW 0640 02 H L CONNECTOR WAFER LW 0640 02 H L CONNECTOR WAFER LW 0640 03 H L CONNECTOR WAFER LW 0640 07 H L CONNECTOR WAFER LW 0640 05 H L CONNECTOR WAFER LW 0640 03 H L CONNECTOR WAFER LW 0640 02 H L TRANSISTOR 2SB861 TRANSISTOR 2SB86l TRANSISTOR 2SD613D RES M F l ...

Page 58: ... l 4W 5 10K RES M F l 4W 1 270 RES C F l 4W 5 560 RES M F l 4W 1 130K RES C F l 4W 5 1K RES C F l 4W 5 l 5K RES C F l 4W 5 560 IC GL7912 IC GL7805 IC TL071CP IC TL071CP IC UA7818 IC TL071CP RES SEMI FIXED 562Z 10KB PART NUMBER RMBP82ROF RMBP4550F RDOCP470J RS02Pl52J RDOBP688J RMBPlOOOF RDOBP103J RMBP2700F RDOBP561J RMBP1303F RDOBP102J RDOBP152J RDOBP561J 595 009 591 310 9 591 279S 591 279S 591 326...

Page 59: ...T 539 010 1 EA 17 P107 TERMINAL GROUND 537 018 1 EA 18 P108 ACINLET GSS42R34FOR2T 531 170 1 EA 19 P901 CONNECTOR WAFER LW 0640 02 H L 531 001 7 1 EA 20 PLlOOl LAMP 100mA14V 561 020 1 EA 21 PL1002 LAMP 100mA14V 561 020 1 EA 22 PL1003 LAMP 100mA14V 561 020 1 EA 23 RlOl RES C F ll4W 5 47 RDOBP470J 1 EA 24 R102 RES C F ll4W 5 47 RDOBP470J 1 EA 25 R103 RES C F ll4W 5 120 RDOBP121J 1 EA 26 SW101 SWITCH ...

Page 60: ... SC 6 HORIZONTAL BOARD 59 ...

Page 61: ...11 ELECTRICAL PARTS ARRANGEMENT With Adjustment Locations I l VIIIOI 1 110 see m HORIZONTAL BOAAI 111 284 can 1 I 2 VM01 LDl01 U03 SC 6 HORIZONTAL BOARD ...

Page 62: ... SC 3 VERTICAL BOARD ...

Page 63: ...0 OIOI W301 P ATT 301 RC301 0418 SHIELD BRACKET C 43 C431 R480a O Vll405O c4JO O D R47 D o D 0413 a 0 o J D ei rn Jl C441 l O O 0417 Lr l R472 r 0410 CJ L J R473 D D 0504 Qw402 D R 471 12 c 515 o R470 0 C436 D 12 0R483 _ 0 CJ R497 R484 q p 407 R4CJ R494 D R 493 CJ N a u 0 0 11 0512 0614 o DID I I S301 0511 D CR502 0613 mQ o m io L502 lr __Jl HS501 HS 502 y SC 3 VERTICAL BOARD ...

Page 64: ...SC 8 POWER SUPPLY BOARD 61 ...

Page 65: ...215 P IU 11811 0 E2 5 I o oi iTI 0 noo 0 CDC CltlOI Rl12 C CC CK coo 0 L 1 U Ol Cl19 Cl11 a C J CMOl 1 1 SC 8 ltN4 c J c J 80 1 f 0 L_ J I I 1 11801 U 02 lcQO U801 E1 Q c11 01 oO P 01 C Ol t lt Ol C 10 u 0 P 02 i i p 0 p i N O l 0 l I u N 0 a N i i p N o t 0 a p i 0 o µ l u 0 o s p u a 1 Q ua 0 u I m u POWER SUPPLY BOARD 11 t 2 1 SC 8 POWER SUPPLY BOARD ...

Page 66: ...BLOCK DIAGRAM 62 ...

Page 67: ..._J I l fi 2NO A TT Ill _ AC 13 i I H2 PRE Al1P 12 SC3 I I I 0 I I L I 1 I T CH1 TRIG J I PICK Off VERTICAL S W I 2 J TRIG I PRE AMP 12 1 1 J 1 7 I i 11 l CH2T rt PICK OFF I Z AXIS AHP HI V KT I 3 111 t 7 11 I I I SV CHOP PLS GEN 12V _____ I 110 I l2V av POWER 51V SUPPLY I TRIG GEN SWEEP GEN _ HORIZDHT AL HORIZOHT AL I i 160V 1121 CONTROL I 6 TIMING C K T HAIN AHP 180V 17 17 181 19 I I I II EXT I O...

Page 68: ...ATTENUATOR 1 63 ...

Page 69: ... R499 A L __f _ _____ __J I n 1 1 1 T 0 0 T I I I I 4 J l 2 l l I I 0 ATT401A 2 0 VOL TS DIV 5 mV 10 20 50 0 1 V 0 2 0 5 2 5 l To C305 Note1 V 302 402 R301 401 V 301 401900KD 0 10P R302 402 111KD 302 402 47P t __J VOL TS DIV 5 mV I To C405 10 No te2 V 304 404 20 I 304 404 50 I R304 404 0 1 V I I l 990KD j__ s Rif6 406 VC303 403 0 2 I I I O lOP R305 0 5 I l 405 L 1 303 403 10 1KD _ 220P I 1 L_ 2 5 ...

Page 70: ...CHl LNPUT AMP 2 64 ...

Page 71: ...r 0 314 2N2907 To P304 3 NOTE FACTORY SELECTED VALUE RC301 I 14 ATT301F LE 301 1 6 I ___J nm 25 535 RBS 220 R360 l l I S60F I 341 2700P I I I i Ii _ I I R359 12V 1 ILV l 82 0 l R356 R303 I Z 9 1B 327 100 16V R361 S60f 368 OA_ 328_ _ sR365 OlU 0 01 I ISO 2SC535C 329 Q315 2S 1907 10 16VBP 12V RB4 270K 317 RA301 3 2 A TT3018 I iI II s I 12V Q308 2SA 10290 R346 1KF R349 12V 3KF R348 3 3KF To CR306 CA ...

Page 72: ...CH2 lNPUT AMP 3 65 ...

Page 73: ...425 820F 0 414 2N2907A 412 100 16V R463 2 2KF 415 I UK RC401 A TT 401 LE0401 II I i J 6 R434 2701 417 P404 I I I I I I 2 I I I I J404J I I I I I I ATT 401B I I I I I I To R406 CA J VR403 1008 0 412 25 535 R435 220 12V VR404 47KB 12V R460 560F I I 441 T 470P I 2700P I R 462 s J R459 J50F 82 12V o J l 1 J 12V 3 3K 427 R461 R466 l IR405 100 16V o 15K 560F 1 10KB 0 413 4 2e_L jR465 12V mmc o 01 I so 1...

Page 74: ...VERTICAL CONTROL 4 66 ...

Page 75: ...R487 4 7KF 100B R471 R473 I I 7800 100F I I I R493 100F 0 417 R478 R475 R481 25 1907 130F 220F 47 R377 R376 P407 J407 To 0 502 B 470B 1 8K I I 2 ft 4451 i I I R497 r I I I SV 220 I 4 11 1 __ R484 74LS74A 1 U402 R483 S402 I 6 0 T 3 1 74LSOO 4 7Kx3 R482 2 443 I 3 _ 0 470P l I ALT 9 jCHOP 0 415 KT A 101SY I From P304 J304 U403 j I c329 I 3 I I I I 9 10 CR410 I I I I 1 2 10 1S953 I I I I DI I I I I I ...

Page 76: ...VERTICAL MAIN AMP 5 67 ...

Page 77: ...L 513 V SOW l W lelH R505 R506 I s16 f fvcso2 2 I l 0 01 SOOY J0 01 SOOV 0 40 T s SOV SOV 1KF 68 47P ll 506 R532 KT A 1015Y 504 R508 I l t I f 1KF 82P500V 1 S R528 100F I 1SOF 0 508 2SC2901 I I I BOF I From ll 17 __ 0 502 0 504 0 512 0 514 0 510 2SA 1026 25 2901 I cso8 2S0758 2S8718 KT A 101SY L 506 J0 01 SOOV 1 SPSOOV J408 P408 R533 RS24 R522 1501W i 12K2W L502 12K2W t 1 VV v 160V Q 270K R527 2 2...

Page 78: ...TRIG AMP 6 68 ...

Page 79: ...v EXT R604 33K 0 0 2 r7 TRIG MOOE 1 2K 0 4 5603 AUTO 0 7 NORM 7_ _ TV V iTO 2 OF U60S TV H O OF SWEEP GEN 605 0 01 I H R606 R605 3 3K 12K Q604 2SA1815 R607 39K R608 4701 R614 22 689 L µ 690 0 01 22 25V 0 601 2SK30AY VR602 47KB 12 o J 1 r 12 12 R626 1N4148 120 R610 10K R613 10K 0 602 25 2037 608 0 01 691 22 25V TO 1 OF U602 OF SWEEP CiEN TO R714 OF SWEEP GEH 0 603 25 2037 R728 1K 12DEC t 12DEC 12DE...

Page 80: ...SWEEP GEN 7 69 ...

Page 81: ...8 B a 13 612 1P FROM A 1 OF S601 OF TIMING LK T TO K OF CR611 6 OF CHDP P G U603 LS11 5 R631 U60 3 15K S14 o 79 l 1607 A I d 2 R717 1K R718 1K VR60ij 2 2KB X GAIN 0 608 25A 1206 U602 11 LSOO l3 r t 3 I I 2 4 2 FROM C OF 0 603 U602 OF TRIG AMP 10 A 12 9 U603 LS14 T U602 13 I Vo I S601 4 TRIG SLOPE 4 12DEC I 0 01 250V FROH B OF 0 603 R732 OF TRIG AMP 100 FROM 618 OF TIMING C K T J608 A 1 W 2 1 I I I...

Page 82: ...TIMING C K T 8 70 ...

Page 83: ...5 12 I R623 440KF 470 B 12 I R621 220KF 8 7 R617 110Kf B 1 I I I I I R626 270 A 8 VR603 1 3 1 10 1KB 611 CAL 0 01 R7B 1 2K A 11 I l I I I I C 0 I R611 t 679 0 VR609 390 7 2 2KB 25 t I I I I I 0 0 0 0 0 0 A 5 0 0 0 0 2S 0 1S 50111S 20mS 10111S 5mS 21115 1mS 0 5111S 0 2111S 0 1111S SOµS 20115 10µ5 SµS 618 0 047 TO 8 OF 0 608 OF SWEEP liEN 0 0 0 620 680P 2µ5 0 1µ5 0 0 5µ5 0 0 2µ5 X Y 0 0 A l P606 I J...

Page 84: ...H MAIN AMP 9 71 ...

Page 85: ...2 0 180 0 01 J I R65fi 0 160 R61 J 6 ZKF 5 6KF 0 50 1 0 611 12 25 1907 I 0 Q646 s 2 2KF I CR607 15 5 0 12 R644 1 2KF _ 1 i j c i R654 tSK VR607 1KB MAii CENT 0 12DEC1 R668 1 SK 0 616 25 1907 CR608 1N4148 632 100P SOOY J901 2 P901 674 22 9 25V t 675 22 25V I 76 in 25V R641 330 ll J r ll CR623 lNt 14 8 R659 1 2KF 631 1000P SOOY 120EC 2 R667 1 2KF CR609 CR624 lNt 148 1N4148 R663 100 0620 2SD668A 0 61...

Page 86: ...CHOP PLS GEN 10 72 ...

Page 87: ... 8 f 536KHZ 1 II 4 10 1 A I I I I I I I 642 H I I 100P J605 R725 R680 270 2 2K R678 I I I UNBLANK 2 R677 2 2K 2 2K TO E OF 0 621 OF H V CRT DRIVE I 11 CR610 643 15953 470P CR611 15953 13 VNBLANK 1 TO R679 OF H V RT DRIVE 5 FROM 0 OF U604 OF SWE P GEN 14 U606 LS02 687 22 zsv CHOP PLS GEN 10 ...

Page 88: ...H V CRT DRIVE 11 73 ...

Page 89: ...1 ii i 12 o L 1 l 1 P806 J806 I ran 0 01 250V R698 82K I 659 1p 160V CR615 R682 15S83 47K R692 1 5K 655 J 656 0 01 To 01 2KV 2KV 5 650 0 04 7 250V nI I VR803 2201 8 0 806 2S0668A _j J808 A 1 1 I I I _ I l I _ 2 P808 6 R695 16M 696 100K R726 2 2 12 Q 630 KH1815 Y I I R706 V J J V 5 100K R719 12 12OEC 10 663 669 47 t 661 22p 25V R720 2SV 47 25V 10 12 12OEC V 12 12 12 670 22µ 2SV 12 CR622 1N4148 658 ...

Page 90: ...POWER SUPPLY 12 74 ...

Page 91: ...2 R809 62 R807 4 7K 2 tl R808 8 2 814 220 25V 813 0 1 CRS04 U802 7912 12 812 0 22 810 2200 25V CR802 SW 50mA P801 P801 16V 0 5A S JB01 4 P802 J802 16V O SA I R801 J801 P804 J804 U806 I _ 7618 J i i 2 822 I 470 25V I J812 P612 7 I RB19 J I I i I 2 H 1K I i I 824 f i 3 8 470 l 3SV I Q 803 PB09 JB09 2S06130 t f 2 P813 J813 1 I I j I I I I R624 1 2 1 SK GP810 _ i J810 u901 803 7812 P811 i 1 rn 801 807...

Page 92: ...WIRING DIAGRAM 75 ...

Page 93: ...cH1 1 RIG sourCE S I a _ TJ l I I L P601 E I I I J l Y I I I I I I y I 3 P302 I X SIG A I I 5 z 3 P607 I I I I Y i_ P613 I I _ rso C P610 Ll 6 FiF l I IP 108 I l ilsl I I ii ii Ii WH2CS P502 L y I P403 r _ I I GND I I L I 3 12V 11 1 I I _ l_ I I I I sv L I P404 P408 _ ___ I 1v t s u I I _l_ I 160V 1WH210 f I I _L t 0 SCALE 3 6 WH209 t ILLUM c Jc ix 0 z BOARD O 0 z z I SC 10 I t x r b T101 16SV3011...

Page 94: ...EXPLODED VIEW 80 ...

Page 95: ... I Q V w 9 58 6 0 OS 7020 EXPLOOEO VIEW ...

Page 96: ...AL l 9 363 073 SPACER 11 10 235 194 BK1 T PCB MTG 1 11 235 198 BASE CRT TG i l2 235 196 BK T CR MTG l 13 235 193 BK T HORI ZCNT L 1 14 235 192 BK T VERTICAL 1 15 235 190 BK T CONTROL l 16 362 015 GND SPRING 2 17 360 016 PAD RUBBER 2 18 247 088 ERONT PANEL 1 19 I 587 032 FILTER l 20 354 006 HOOD l 21 277 639 LABEL 1 22 265 012 BLOCK CRT MTG 4 23 341 0 20 RUBBER GUIDE l 24 341 021 RUBBER GUIDE Il 3 ...

Page 97: ... I i I I 3 7 j 278 010 BADGC GOLDSTAR I l I I 275 012 1 I 3 I I r I I I i 369 046 KNOB l I 3 I 40 369 047 KNOB 2 I 6 I I I i 41 j 369 048 I J05 3 I 2 I I I I i I I 12 I 369 049 K iOB 4 2 II I I I I I I 4 3 369 JSO I K CB 5 l I i I I I 44 374 002 EXTSNSIOtl ROD I 1 I 45 369 051 K JCB PCWER 1 46 I I ILLUMINA ION PLATE I 1 i 242 216 I II I 47 317 046 tJAS2ER MTG GND i 1 I I 48 317 045 WASHER MTG BNC ...

Page 98: ...521 070 SHITCH POWER 1 63 531 164 ccnu BNC RS UG 1094 5 64 622 016 TRANSrORMER 1 65 531 170 AC INLET GSS42R34 1 66 563 035 FUSE 11SV2 1 67 511 283 A HORIZONTAL BOARD ASS Y l 68 511 284 A VERTICAL BOARD ASS Y 1 q 311 285 CWER SU PLY 3 Q ASS Y OJ I 70 511 282 A CRT SOCKET BOARD ASS Y 1 71 511 281 A LAMP BOARD ASS Y 1 72 556 012 TIE riRAP 1 73 NHB04 00U NUT 2 74 MPC03A06U SCRE 4 75 MPC03A08U SCRE t 2...

Page 99: ...C03 0SP TRUSS HEAD SCREW 2 80 MCC03A 06U COUNTERSUNK HEAD SCR 10 81 TRM03 06P TAPPING SCREW 4 82 TRM03 15P TAPPING SCREW 4 83 313 051 1 PRESS NUT M3 4 84 NHB03 00U NUT 2 85 MPC04Al2U SCREW 2 86 MPC04Al6U SCREW 4 87 MPC04Al8U SCREW 2 8 ...

Page 100: ...gu Seoul 150 Korea 19th Fl East Tower Lucky Goldstar Twin Tower Tel 787 6848 57 Tix GSRADAR K22838 Fax 02 784 1646 Cable GOLDRADAR GoldStar Pr actslon 13013 East 166th Street Cerritos Ca 90701 2295 U S A Tel 213 404 0101 Tix 910 583 5719LGILA Fax 213 926 0349 ...

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