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Operation and Service Manual

HP 8447D/E/F and HP 8447F H64

Amplifiers

Serial Numbers: HP 8447D, 2944A

HP 8447E, 2944A

HP 8447F, 2944A

HP 8447F H64, 3113A

HP Part No. 08447-90066

Supersedes 08447-90033, 08447-90063, 08447-90059

Printed in USA

Print Date: July 1996

without prior written permission is prohibited, except as allowed under the copyright laws.

1400 Fountaingrove Parkway, Santa Rosa, CA 95403-1799, USA

Содержание 8447D

Страница 1: ...ackard company brand name The brand name has now been changed to Agilent Technologies The two products are functionally identical only our name has changed The document still includes references to Hewlett Packard products some of which have been transitioned to Agilent Technologies Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981 ...

Страница 2: ...8950 Japan tel 81 426 56 7832 fax 81 426 56 7840 Australia tel 1 800 629 485 fax 61 3 9210 5947 Asia Call Center Numbers Country Phone Number Fax Number Singapore 1 800 375 8100 65 836 0252 Malaysia 1 800 828 848 1 800 801664 Philippines 632 8426802 1 800 16510170 PLDT Subscriber Only 632 8426809 1 800 16510288 PLDT Subscriber Only Thailand 088 226 008 outside Bangkok 662 661 3999 within Bangkok 6...

Страница 3: ... Part No 08447 90066 Supersedes 08447 90033 08447 90063 08447 90059 Printed in USA Print Date July 1996 Copyright Hewlett Packard Company 1970 1996 All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws 1400 Fountaingrove Parkway Santa Rosa CA 95403 1799 USA ...

Страница 4: ... earth contact Any interruption of the protective conductor inside or outside the instrument is likely to make the instrument dangerous Intentional interruption is prohibited CAUTION Caution denotes a hazard It calls attention to a procedure that if not correctly performed or adhered to would result in damage to or destruction of the instrument Do not proceed beyond a caution sign until the indica...

Страница 5: ...DRAFT 3 Operation and Service Manual ...

Страница 6: ...ces operating within its frequency range The HP 8447F Amplifier contains a preamplifier and a power amplifier They are the same thin film amplifiers used in the HP 8447D and HP 8447E The input and output ports of both amplifiers are available on the front panel They can be used separately or cascaded to provide 47 dB of gain The HP 8447F Option H64 Amplifier is a general purpose wide band amplifie...

Страница 7: ...2 5 1 Output Impedance 50 Ω 50 Ω Reverse isolation 40 dB 40 dB Maximum DC input voltage 10 V 10 V Typical risetime 400 ps 420 ps Typical group delay 1 1 nsa 1 5 nsb Net weight 3 lbs 8 oz 1 59 kg 3 lbs 8 oz 1 59 kg Option 001 3 lbs 14 oz 1 75 kg Option 010 3 lbs 1 oz 1 84 kg 3 lbs 10 oz 1 64 kg Option 011 4 lbs 10 oz 1 64 kg Dimensions 8 1 2 in 216 mm by 5 1 2 in 130 mm by 3 3 8 in 85 8 mm Power Re...

Страница 8: ...ypical 8 5 dB Output power for 1 dB gain compression 7 dBm typical 12 5 dBm 0 1 to 1000 MHz 7 dBm typical 15 dBm 0 1 to 1000 MHz Harmonic distortion 30 dB for 0 dBm output typical 30 dB for 8 dBm output 30 dB for 0 dBm output typical 35 dBc for 10 dBm output Typical output for 60 dB harmonic distortion 30 dBm 20 dBm 30 dBm 2 dBm VSWR 9 kHz to 50 MHz 2 0 1 VSWR 1 to 1300 MHz 2 0 1 Input 2 2 1 Outpu...

Страница 9: ... 5 1 2 in 130 mm by 3 3 8 in 85 8 mm Power Requirements 115 or 230 Vac 10 48 to 440 Hz 15 Watts 27 VAmax Environmental Operation 0 C to 55 C Storage 40 C to 75 C Table 3 HP 8447F H64 Characteristics Characteristics HP 8447F H64 Preamp Low Freq Preamp Noise figure 9 kHz to 20 kHz 20 kHz to 100 kHz 100 kHz to 50 MHz 12 0 dB 9 0 dB 7 0 dB Typical mean gain 20 to 30 C 28 dB Table 2 HP 8447F Specificat...

Страница 10: ...8 DRAFT Operation and Service Manual General Information Figure 1 Typical Preamplifier Performance Curves ...

Страница 11: ...DRAFT 9 Operation and Service Manual General Information Figure 2 Typical Power Amplifier Performance Curves ...

Страница 12: ...ished with a rigid coaxial cable W6 with Type N connectors that can be used to cascade the amplifiers with minimum loss The option H64 dual amplifier is not supplied with this cable Instruments Covered by this Manual This manual fully documents the HP 8447D HP 8447E and the HP 8447F Any references in the manual apply to all three amplifiers unless otherwise noted Each amplifier has a ten digit ser...

Страница 13: ...DRAFT 11 Operation and Service Manual General Information ...

Страница 14: ...dding material for the carrier s inspection The field office will arrange for replacement or repair of your instrument without delay for claim settlements against the carrier Before shipment this instrument was inspected and found free of mechanical and electri cal defects If there is any deficiency or if electrical performance is not within specifications notify your nearest Hewlett Packard sales...

Страница 15: ...plifier is from 0 C to 55 C The amplifier can be stored in a temperature range of 40 C to 75 C Bench Use The amplifier is equipped with plastic feet and tilt stand in place ready for use as a bench instrument WARNING If this product is not used as specified the protection provided by the equipment could be impaired This product must be used in a normal condition only in which all means for protect...

Страница 16: ... b Place packing material around all sides of the instrument and protect panel face with cardboard strips c Place instrument in a heavy carton and seal with strong tape A double wall carton made of 200 pound test material is adequate d Mark shipping container Delicate Instrument Fragile Operating Instructions Connect the line power cable to the three prong rear panel socket and proceed as follows ...

Страница 17: ...t on its top Lift the tilt stand and remove the bottom cover Replace the fuse on the A1 Power Supply board see parts list for the value of A1F1 WARNING For continued protection against fire hazard replace line fuse only with same type and rating 0 5A 250V The use of other fuses or material is prohibited Lamp Replacement To replace the front panel line switch lamp DS1 proceed as follows a Disconnec...

Страница 18: ...ach amplifier If a test step lists only one setting or specification it is valid for all three amplifiers Disregard references to any amplifier not being tested Table 4 Recommended Test Equipment and Accessories Instrument Type Minimum Specifications Suggested Model Usea Generator Sweeper Frequency Range 0 1 to 110 MHz Flatness 0 25 dB over full range Output Level 10 dBm minimum Frequency Accuracy...

Страница 19: ...nimum Scan width 800 MHz minimum Spurious responses 60 dB Absolute amplitude calibration Variable persistence display HP 8555A P Spectrum analyzer IF section HP 8552A Display section HP 141T Noise figure meter Frequency range 0 1 1300 MHz Noise figure range 0 15 dB Accuracy 0 5 dB Excess noise ratio 6 3 0 5 dB HP 342A P VHF noise source HP 343A UHF noise source HP 349A RMS voltmeter Voltage range ...

Страница 20: ...300 MHz HP 8491A Option 010 P Attenuator 20 dB 0 1 1300 MHz HP 8491A Option 020 P Termination 50 Ω BNC HP 11593A P Termination 50 Ω Type N HP 908A P Adapter Type N female to BNC male UG 349A U P Adapter BNC female to Type N male UG 209A U P Tee BNC UG 274B U P Cable assembly Type N connectors HP 11500A P Cable assembly 5 BNC connectors HP 10503A P Cable assembly BNC with test clips attached HP 105...

Страница 21: ...ain at the specified 1 dB compression point and comparing it to gain measured below compression Equipment Generator sweeper HP 8601A Sweep oscillator HP 8620A 8621A RMS voltmeter HP 3400A Power meter HP 432A 478A BNC cable assembly 2 HP 10503A BNC tee UP 247B U 50 Ω termination HP 11593A Adapter UG 349A U Adapter UG 201A U Adapter HP 1250 0080 20 dB attenuator HP 8491B 20 10 dB attenuator HP 8491B...

Страница 22: ... power meter reading Use this reading to calculate amplifier gain Example 7 dBm read in step 2 minus 10 dBm set in step 1 plus 20 dB read from attenua tor 23 dB gain NOTE Use the attenuation printed on the 20 dB attenuator This may vary slightly depending upon the frequency 3 Tune the sweep oscillator for a maximum indication on the power meter at 1150 100 MHz Disconnect the oscillator and the pow...

Страница 23: ...oltmeter 7 Disconnect the voltmeter from the generator sweeper Connect the generator sweeper to the amplifier INPUT Connect the voltmeter with the 50 Ω termination to the am plifier OUTPUT Note the voltmeter reading Use this reading to calculate the amplifier gain Example 18 5 dB read in step 7 minus 40 dB set in step 6 21 5 dB gain Figure 4 Flatness and Mean Gain Test Setup 100 kHz to 10 MHz 8 Me...

Страница 24: ... 21 5 dB lowest gain 1 5 dB gain flatness For HP 8447F H64 low frequency preamp select the highest and lowest gains from steps 7 and 8 Subtract the lowest gain from the highest gain The result is gain flat ness and should be less than 4 dB 2 dB Add the highest and lowest gains together and divide by 2 The result is measured gain 10 Add the highest and lowest gains together and divide by 2 The resu...

Страница 25: ...gs move the 10 dB attenuator from the amplifier OUTPUT to the amplifier INPUT The power meter should now be con nected directly to the amplifier OUTPUT and the sweep oscillator should be connected through the 20 dB attenuator and the 10 dB attenuator to the amplifier INPUT 13 The power meter should read as follows 14 Repeat steps 11 through 13 at various frequencies between 0 1 and 1300 MHz For th...

Страница 26: ...P 8601A Network analyzer 0 1 to 110 MHz HP 8407A Network analyzer 0 11 to 1 4 GHz HP 8410A Phase magnitude displayHP 8412A Harmonic frequency converter HP 8411A S parameter test set HP 8745A Universal extension HP 11604A Transmission kit HP 11651A Accessory kit HP 11570A Cable assembly 3 HP 10503A Cable assembly HP 11500A HP 8447D Preamp 1 to 1300 MHz HP 8447E Power Amp 0 75 to 1400 MHz HP 8447F P...

Страница 27: ...upler to the amplifier IN PUT Terminate the OUTPUT with 50 Ω 4 Decrease the display reference level to 10 dB The center horizontal graticule line now represents a return loss of 10 dB The measured return loss should be as shown below 5 Measure return loss at the amplifier OUTPUT Terminate the INPUT with 50Ω The measured return loss should be as shown below For the HP 8447F option H64 low frequency...

Страница 28: ...veled CW signal sweeping from 110 to 220 MHz Connect the power meter to the s parameter test set INPUT PORT A and set the generator sweeper output level for 15 dBm as read on the power meter HP 8447D Output VSWR 1 to 110 MHz 8 8 dB _____________ HP 8447E F Output VSWR 1 to 110 MHz 7 7 dB _____________ HP 8447F Option H64 low frequency preamp Output VSWR 1 to 50 MHz 9 6 dB _____________ ...

Страница 29: ...loss at the amplifier OUTPUT Terminate the amplifier INPUT with 50Ω The measured return loss should be as shown below 11 Set the sweep oscillator to sweep each of the ranges shown below repeating steps 7 through 10 for each range Reference TEST CHAN GAIN 110 to 220 MHz ___________dB INPUT VSWR 110 to 220 MHz HP 8447D 9 6 dB __________ HP 8447F Preamp 9 6 dB _____________ HP 8447E 8 8 dB __________...

Страница 30: ...ying a known signal level to the amplifier OUTPUT and measuring it at the amplifier INPUT Equipment Spectrum analyzer HP 141T 8552A 8555A Sweep oscillator HP 8620A 8621A 400 MHz low pass filter Cir Q Tel FLT 2 Series Cable assembly HP 10503A Adapter UG 201A U 10 dB attenuator HP 8491B 10 Adapter UG 349A U Cable assembly HP 11500A Specification HP 8447D Preamp HP 8447E Power Amp HP 8447F Preamp Pow...

Страница 31: ...o dis play 400 through 1200 MHz For the HP 8447F option H64 low frequency preamp set the controls to display 10 through 30 MHz NOTE The signal into the spectrum analyzer input mixer must be low enough to eliminate harmonic distortion in the spectrum analyzer 3 Set the sweep oscillator output level for the following signal levels out of the amplifier read on the spectrum analyzer 4 Note the level o...

Страница 32: ... level of feed through directly on the spectrum analyzer It should be below 40 dBm Noise Figure Test Procedure Specifications Noise Figure 8 5 dB for the HP 8447D and HP 8447F preamp Characteristics Noise Figure 7 0 dB for the HP 8447F option H64 low frequency preamp Description Noise figure is checked at 100 MHz by inserting a known amount of excess noise into the amplifier under test The known n...

Страница 33: ...rformance Tests Procedures 50Ω termination HP 908A Amplifier HP 8447D Power meter HP 432A 478A Adapter UG 491 U Cable assembly 5 HP 10503A Adapter 2 UG 201A U Figure 8 Noise Figure Test Setup 100 MHz Figure 9 Noise Figure Test Setup 1200 MHz ...

Страница 34: ...gure 9 Set the sweep oscillator for a fixed CW signal at 1300 MHz Set the signal level out of the oscillator for 10 dBm read on the power meter 3 Disconnect the power meter from the oscillator and connect the oscillator to the mixer 4 Set the noise figure meter to measure noise at 100 MHz Calibrate the meter NOTE If the noise figure meter being used has a 105 MHz input frequency set the sweep osci...

Страница 35: ...S voltmeter HP 3400A Cable assembly w test clips HP 10501A Adapter HP 10111A Figure 10 Power Supply Voltage Adjustment Test Setup Procedure 1 Connect the test setup in Figure 10 Set the digital voltmeter to measure 20V dc 2 Adjust A1R9 VOLT ADJ for a digital voltmeter reading of 20V 0 1V dc 3 Remove the digital voltmeter from the amplifier and connect the RMS voltmeter to XA1 pin 14 The ripple vol...

Страница 36: ... your local Hewlett Pack ard field office See the list at the end of the manual for addresses Identify parts by their Hewlett Packard part numbers To obtain a part that is not listed include a Instrument model number b Instrument serial number c Description of the part d Function and location of the part Table 5 Reference Designators A B BT C CP CR DL DS E F FL J assembly motor battery capacitor c...

Страница 37: ...andescent include s insulation ed internal kilo 1000 left hand linear taper lock washer logarithmic taper low pass filter M MEG METFLM METOX MFR MHz MINAT MOM MOS MTG MY milli 10 3 meg 106 metal film metallic oxide manufacturer mega Hertz miniature momentary metalized substrate mounting mylar N N C NE NIPL N O NOM NPO NPN NRFR NSR nano 10 9 normally closed neon nickel plate normally open nominal n...

Страница 38: ...le NJ 08876 02037 Motorola Semiconductor Products Phoenix AZ 85008 04009 Arrow Hart Hegeman Electric Co Hartford CT 06106 04703 Littelfuse Inc Des Plaines IL 60016 04757 Oak Ind Inc Sw Div Crystal Lake IL 60014 07263 Fairchild Camera Instr Corp Semiconductor Div Mountain View CA 94040 12954 Dickson Electronic Corp Scottsdale AZ 85282 28480 Hewlett Packard Co Palo Alto CA 94304 56289 Sprague Electr...

Страница 39: ...own 26 1V 5 28480 1902 3268 A1CR9 1884 0073 2 1 Thyristor scr TO 5 VRRM 100 01921 SCR1400 A1CR10 1901 0025 2 Diode silicon 100 mA 1V 07263 FD 2387 A1F1 2110 0012 0 2 Fuse 0 5 amp 250V 04703 312 500 A1F1 2110 0269 9 1 Clip fuse 0 250 diam 91506 6008 32CN A1Q1 1853 0012 4 1 Xstr si PNP 80131 2N2904A A1Q2 1854 0022 8 1 Xstr si NPN 07263 S17843 A1Q3 1854 0071 7 3 Xstr si NPN selected from 2N3704 28480...

Страница 40: ...ly 28480 9100 1618 MP1 08447 00005 6 1 Insulator top cover 28480 08447 00005 MP2 08447 00028 3 1 Support amplifier Opt 001 and 011 only 28480 08447 00028 Q1 1854 0063 7 1 Xstr si NPN 80131 2N3055 R1 0683 2735 0 1 R fixd comp 27 kohm 5 1 4W 01121 CB 2735 S1 3101 2139 9 1 Switch pb DPST NO altng 10 5A 250Vac 28480 3101 2139 S1 3101 2195 1 for HP 8447D serial no 2727A06246 for HP 8447E serial no 2727...

Страница 41: ...47 20009 2 1 Cable assy BNC OUTPUT Opt 001 28480 08447 20009 W6 08447 20014 9 1 Cable assy jumper Opt 011 only 28480 08447 20014 XF1 Fuseholder includes the following parts XF1MP1 2110 0564 8 1 Fuseholder body 12A max for UL 28480 2110 0564 XF1MP2 2110 0565 9 1 Fuseholder cap 12A max for UL 28480 2110 0565 XF1MP3 2110 0569 3 1 Nut fuseholder thread 28480 2110 0569 XQ1 0340 1114 1 Insulator xstr mo...

Страница 42: ...own 26 1V 5 28480 1902 3268 A1CR9 1884 0073 2 1 Thyristor scr TO 5 VRRM 100 01921 SCR1400 A1CR10 1901 0025 2 Diode silicon 100 mA 1V 07263 FD 2387 A1F1 2110 0012 0 2 Fuse 0 5 amp 250V 04703 312 500 A1F1 2110 0726 9 1 Clip fuse 0 250 diam 91506 6008 32CN A1Q1 1853 0012 4 1 Xstr si PNP 80131 2N2904A A1Q2 1854 0022 8 1 Xstr si NPN 07263 S17843 A1Q3 1854 0071 7 3 Xstr si NPN selected from 2N3704 28480...

Страница 43: ...1 1854 0063 7 1 Xstr si NPN 80131 2N3055 R1 0683 2735 0 1 R fixd comp 27 kohm 5 1 4W 01121 CB 2735 S1 3101 2139 9 1 Switch pb DPST NO altng 10 5A 250Vac 28480 3101 2139 S1 3101 2195 1 for HP 8447D serial no 2727A06246 for HP 8447E serial no 2727A02669 for HP 8447F serial no 2805A03498 28480 3101 2195 S1 0590 0012 5 2 Nut knurled 15 32 32 04009 899U 3 S2 3101 1234 3 1 Switch slide DPDT 82389 11A 12...

Страница 44: ...ax for UL 28480 2110 0565 XF1MP3 2110 0569 3 1 Nut fuseholder thread 28480 2110 0569 XQ1 0340 0664 1 Insulator xstr mounting TO 3 28480 0340 0664 XF1MP4 1400 0090 9 1 Washer lock sst for 1 2 thread 28480 1400 0090 0360 0368 7 1 Termination solder stud 78189 2168 12 01 0900 0016 8 1 O ring 0 688 OD 00000 OBD Table 9 HP 8447E Replaceable Parts Ref Des HP Part Number CD qty Description Mfr Code Mfr P...

Страница 45: ...own 26 1V 5 28480 1902 3268 A1CR9 1884 0073 2 1 Thyristor scr TO 5 VRRM 100 01921 SCR1400 A1CR10 1901 0025 2 Diode silicon 100 mA 1V 07263 FD 2387 A1F1 2110 0012 0 2 Fuse 0 5 amp 250V 04703 312 500 A1F1 2110 0269 9 1 Clip fuse 0 250 diam 91506 6008 32CN A1Q1 1853 0012 4 1 Xstr si PNP 80131 2N2904A A1Q2 1854 0022 8 1 Xstr si NPN 07263 S17843 A1Q3 1854 0071 7 3 Xstr si NPN selected from 2N3704 28480...

Страница 46: ... 60 uH Opt 001 and 011 only 28480 9100 1618 MP1 08447 00005 6 1 Insulator top cover 28480 08447 00005 MP2 08447 00028 3 1 Support amplifier Opt 001 and 011 only 28480 08447 00028 Q1 1854 0063 7 1 Xstr si NPN 80131 2N3055 R1 0683 2735 0 1 R fixd comp 27 kohm 5 1 4W 01121 CB 2735 S1 3101 2139 9 1 Switch pb DPST NO altng 10 5A 250Vac 28480 3101 2139 S1 3101 2195 1 for HP 8447D serial no 2727A06246 fo...

Страница 47: ...NC INPUT 28480 08447 20008 W5 08447 20005 8 1 Cable assy Type N OUTPUT Opt 010 28480 08447 20005 W5 08447 20009 2 1 Cable assy BNC OUTPUT 28480 08447 20009 W6 08447 20014 9 1 Cable assy jumper Opt 011 only 28480 08447 20014 XF1 Fuseholder includes the following parts XF1MP1 2110 0564 8 1 Fuseholder body 12A max for UL 28480 2110 0564 XF1MP2 2110 0565 9 1 Fuseholder cap 12A max for UL 28480 2110 05...

Страница 48: ...kdown 26 1V 5 28480 1902 3268 A1CR9 1884 0073 2 1 Thyristor scr TO 5 VRRM 100 01921 SCR1400 A1CR10 1901 0025 2 Diode silicon 100 mA 1V 07263 FD 2387 A1F1 2110 0012 0 2 Fuse 0 5 amp 250V 04703 312 500 A1F1 2110 0269 9 1 Clip fuse 0 250 diam 91506 6008 32CN A1Q1 1853 0012 4 1 Xstr si PNP 80131 2N2904A A1Q2 1854 0022 8 1 Xstr si NPN 07263 S17843 A1Q3 1854 0071 7 3 Xstr si NPN selected from 2N3704 284...

Страница 49: ...A2MP2 1205 1220 Heatsink T05 T39 A2MP3 3050 0082 2 Washer fiber 0 116 ID 4 A2MP4 3050 0082 Washer fiber 0 116 ID 4 A2Q1 1813 0213 2 IC MWA130M1 amp A2Q2 1813 0213 IC MWA130M1 amp A2R1 0698 3631 1 R fixd 330 ohm 5 2W A2R2 0698 3629 1 R fixd 270 ohm 5 2W C1 0180 2805 9 1 C fixd elect 850 uF 50 10 75VDCW 28480 0180 2805 C2 0160 2049 1 1 C fixd cer feedthru 5000 pF 80 20 28480 0160 2049 C3 0180 0291 3...

Страница 50: ...th 08447 60045 assy 28480 08447 60044 W1 8120 1348 5 1 Cable assy power detachable 70903 KHS 7041 W2 08447 20043 1 Cable assy Type N INPUT 28480 08447 20043 W3 08447 20044 1 Cable assy Type N OUTPUT 28480 08447 20044 W4 08447 20051 1 Cable assy Type N INPUT flexible coax ial 28480 08447 20051 W5 08447 20046 1 Cable assy Type N OUTPUT flexible coaxial 28480 08447 20046 XA1 1251 0135 1 Part of main ...

Страница 51: ...on Qty 1 08447 0029 4 Deck main 1 2 5000 7891 8 Side cover blue gray 2 5000 8766 8 Side cover olive gray 2 3 5060 0247 0 Frame assembly 2 4 1490 0031 7 Stand tilt 1 5 5060 0708 8 Top cover blue gray 5 5060 8553 7 Top cover olive gray 1 6 08447 00050 0 Panel rear 1 7 5060 0727 1 Foot assembly 2 8 5000 0710 6 Bottom Cover blue gray ...

Страница 52: ... 00074 9 Panel front 8447F standard 1 08447 00075 0 Panel front 8447F Opt 010 1 08447 00081 Panel front 8447F Opt H64 1 08447 00040 9 Panel front 8447D standard mint gray 1 08447 00041 0 Panel front 8447D Opt 001 mint gray 1 08447 00042 1 Panel front 8447D Opt 010 mint gray 1 08447 00043 2 Panel front 8447D Opt 011 mint gray 1 08447 00044 3 Panel front 8447E standard mint gray 1 08447 00045 4 Pane...

Страница 53: ...d 011 Index No Part No CD Description Index No Part No CD Description 1 1250 0914 7 Body RF conn 5 5040 0306 0 Insulator 2 1250 0915 8 Contact RF conn 6 08555 20094 5 Contact jack 3 2190 0444 1 Washer lock 7 08555 20094 6 Body bulkhead 4 2950 0132 6 Nut hex 8 08761 2027 4 Insulator 08559 60002 Complete assembly ...

Страница 54: ...52 DRAFT Operation and Service Manual Parts and Service Figure 13 Internal Views ...

Страница 55: ...ervicing instructions are for use by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so WARNING The opening of covers or removal of parts is likely to expose dangerous voltages Disconnect the instrument from all voltage sources while it is being opened WARNING The power cord is connected to internal capacitors that may remain live for ...

Страница 56: ...54 DRAFT Operation and Service Manual Parts and Service Figure 14 A1 Power Supply Component Locations 08447 60011 Figure 15 A1 Power Supply Component Locations 08447 60045 ...

Страница 57: ...DRAFT 55 Operation and Service Manual Parts and Service Figure 16 A2 Amplifier Board Component Locations 08447 60038 Figure 17 A2 Amplifier Board Schematic replaces U2 on Figure 18 ...

Страница 58: ...56 DRAFT Operation and Service Manual Parts and Service Figure 18 Amplifier and Power Supply Circuits ...

Страница 59: ...uld adapt this manual to your instrument by making all of the manual changes listed opposite your instrument serial number in the following table Perform these changes in the alphabetical sequence listed For additional important information about serial number coverage refer to Instruments Covered By Manual Table 12 Manual Changes By Serial Number Prefix Serial Prefix Make Manual Changes ...

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