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SER. NO. 1622100410 ,AND BELOW A10 0345586510 Rev. C NOTE 1 : UNKNOWN RESISTANCE IS MEASURED - NOTE 2: REFERENCE RESISTANCE IS MEASURED + NOTE 3: K9 IS CLOSED DURING REFERENCE MEASUREMENT NOTE 4: K2 AND K4 ARE CLOSED DURING 2-WIRE KC2 MEASUREMENTS I 1 NOTE 5: K3 IS CLOSED DURING 4-WIRE KO MEASUREMENTS YSS-n-4SOI A12 0345566512 Rev. A AA The value of resistors R7, R8, R16, and R17 have been changed from 4.99 kS2 to 10 kS2 to properly bias differential amplifiers Q1 and Q5. These changes have been made on instruments with Serial No's 1622A01056 and greater. AB The value of resistor R7, R8, R16, R16 have been changed from 10 K (0757-0442) to 4.99 K (0698-3279) and C3 has been changed from .039 pF (0160-0164) to .W47 pF (01 60-01 57) to eliminate first reading errors. These changes have been made on instruments with serial numbers 1622A04831 and above.
I n CONVERTER A12 1 03455-66512 t - - - - -- VOLTAGE CLAMP AMPLIFIER 1% A I O ] INWARD O ~ ~ ~ MOTHER L ~ - ~ WARD ~ I O I
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I OPERATING AND SERVICE MANUAL - DI
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MEWLET T PACKARD CERTIFICATION Hewl
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I I SAFETY SYMBOLS Genaral Definiti
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Section I Model 3455A Table 1-1. -i
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Section I Model 3455A Ill.rlmrm hW-
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Section I Model 34556 1-6 Table 1-1
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Section 1 Model 3455A ' Reference D
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Section I1 Model 3455A full-module
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Section III Model 3455A 3-0 HP-la*
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Section I11 Model 34556 4-WIRE MEAS
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Section tlI Model 34556 displayed i
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Section 111 Model 345519 frequency,
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I Section 111 Ball out TibC 3-3. 01
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Section 111 - Address , 3455A Progr
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Model 3455A 3-a?. Smtn8 IlyZ. M-. T
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Model 3455A PERFORMANCE TESTS 41. I
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Section IV Model 3455A Table 4-2, v
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Section IV Model 3455A TEST OSMLATO
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Table 4.8. Four-Win Ohm Accuney Tnr
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Model 345419 Section IV FUNCTION ..
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Section IV Model 34S;SA Tsblu rE13.
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Section IV Decade 3455A Resistor Ra
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Model 345SA Section IY 1 f 3 DIGITA
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Hswlett-Peekard Model 3d5SA IStands
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OPERAT1PNAL VERIFICATION TEST CARD
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Hewlstt-Packard Model 345SA (Standa
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'MTO-W1RE OHMS ACCURACY TEST M e Rm
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+WO-WIRE OHMS ACCURACY TEST M e Res
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Maintenance described herein is per
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Section V Model 3455A Figure 5-2, 1
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Section V Model 3455A t. Set the AC
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Section VI Model 3455A nator column
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Reference Designation htJO A1117 A
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Reference Designation 4LrlL>1 IIIUC
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A1UUPI ALdlt90 *IUUY~ AAo*Yd AIUUP9
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' Table 6-3. Replaceable Parts QV D
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I I I AIICAII 1901-0518 *L*LHII I 1
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I E;:zn I HP Part Numbsr I ON Descr
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Model 3455A Section VII 7-1. INTROD
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Section YIIl Model 3455A 8-10. IMTR
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Section Ylll THEORY OF OPERATION Mo
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Section Vlll THEORY OF OPERATION Mo
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Section VllI THEORY OF OPERAT~QN Mo
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Section VlII f HEORY OF OPERATION M
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Section YIIJ THEORY OF OPERATION Mo
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Section YIIl f HEORY OF OPERATION M
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Section VIll THEORY OF OPERATION Mo
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Section VlIl THEORY OF OPERATION Mo
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Section VllE THEO~Y OF OPERATION Mo
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Model 34S5A THEORY OF OPERATION Sec
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Section VIII THEORY OF OPERATION Mo
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Section VIII THEORY OF OPERATlOfU M
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Section VIII THEORY OF OPERATION I
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Section VIII THEORY OF OPERATION Mo
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Model 345514 Section VIII 8-175. Th
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Model 345SA TROUBLESHOOTING Section
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Model 3455A T ROUBLESHOOTlNG Sectio
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Section VIII SERVICE GROUP A Model
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Section VIII SERVICE GROUP B Model
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Section VIII SERVICE GROUP 0 Model
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Section VlII SERVICE GROUP B Model
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Section VIII SERVICE GROUP & Model
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Model 3455A SERVICE GROUP B Sectian
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Model 3455A 0-C-l . AC CONVERTOR TR
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Model: 3455A SERVICE GROUP C %ion Y
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Section VIII. SERVICE GROUP C Model
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Section VIII SERVICE GROUP D Model
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Section VIII 8-E-2. AID Convertor S
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Section VIII SERVICE GROUP E Model
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Section VIII SERVICE GROUP E Model
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Section VIII SERVICE GROUP F Model
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8-76 0.G-2 Powar Swgplius (Sthemsti
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Section VIII Model 3455A 8-H-1. f R
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Start Turn ln~trumenr ON. Press The
Page 172 and 173: SET Sl SwrTcnEs TO "0" 7 -> .*. .--
Page 174 and 175: Turn The Instrument Off. Remve The
Page 176 and 177: Associated Corn- Figure 8-H-5. Ingu
Page 178 and 179: -22 Start Wirh A Diaplsy Reading Of
Page 180 and 181: Wtth A Display Reading Of "7" (Test
Page 182 and 183: With A Display Reading Ot "5" (Test
Page 184 and 185: '3'' (Test 3 Failure) Mea- sure The
Page 186: 7 Start Of "I" (Test S Failure) Mea
Page 189 and 190: Test Points On The A1 0 Assembly).
Page 191 and 192: Model 3455A SERVICE GROUP H Section
Page 193 and 194: NOTE 1 ............ ......... I.INL
Page 195 and 196: NOTE 1 The Signature Analyzer Cantr
Page 198 and 199: NOTE 1 The Signature Analyzer Conrm
Page 200 and 201: 4 S 6 W? 2 3 4 5 6 7 Probe Tp Blink
Page 202 and 203: Pin U1 1 2 9 6 8 10 12 14 U2 1 2 3
Page 204 and 205: Figure 8-H-28. Detailed Block Diagr
Page 206 and 207: l Model 3455A Reference Designation
Page 208: I Refemnee Designation AIUUIL IIJKL
Page 213 and 214: Section VIII Refemce Designation AL
Page 216 and 217: 1 A 1 B 1 C I D I E 1 F I SER. NO.
Page 218: A13 03455-6651 3 Rev. A AA For seri
Page 221: Figure 8-H-31. True RMS AC Converto
Page 225: SER. WO. ~400110 AND BELOW . 1 JI I
Page 230: A10 0345566510 Rev. C A10. Componen
Page 234 and 235: A 8 C D 1 E F 1 Component C1.5 6.9
Page 236 and 237: AA 4 4 A2 03455-66502 Rev. A A1 034
Page 238 and 239: 5 I A I I C I 0 I E I F I SER. NO.
Page 242 and 243: I ' *hJll Section VIII R efe ren m
Page 244 and 245: I Designation Number Mfr Part Numbe
Page 246 and 247: Appendix A Example # 1 (HPP). Dimen
Page 248 and 249: Appendix A Example # 2 EHPL) 8: die
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