Aeroflex IFR 2975 Maintenance Manual
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Aeroflex IFR 2975 Maintenance Manual

Aeroflex IFR 2975 Maintenance Manual

Radio test set
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Radio Test Set
IFR 2975
Maintenance Manual
1002-4250-4P0
Issue-3

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Summary of Contents for Aeroflex IFR 2975

  • Page 1 Radio Test Set IFR 2975 Maintenance Manual 1002-4250-4P0 Issue-3...
  • Page 2 MAINTENANCE MANUAL RADIO TEST SET IFR 2975 P U B L I S H E D B Y A e r o f l e x C O P Y R I G H T © A e r o f l e x 2 0 0 6 A l l r i g h t s r e s e r v e d .
  • Page 3 WARNING: HIGH VOLTAGE EQUIPMENT THIS EQUIPMENT CONTAINS CERTAIN CIRCUITS AND/OR COMPONENTS OF EXTREMELY HIGH VOLTAGE POTENTIALS, CAPABLE OF CAUSING SERIOUS BODILY INJURY OR DEATH. WHEN PERFORMING ANY OF THE PROCEDURES CONTAINED IN THIS MANUAL, HEED ALL APPLICABLE SAFETY PRECAUTIONS. SAFETY FIRST: TO ALL SERVICE PERSO NNEL R E F E R A L L S E R V I C I N G O F U N I T T O Q U A L I F I E D T E C H N I C A L P E R S O N N E L .
  • Page 4 C A U T I O N : I N T E G R A T E D C I R C U I T S A N D S O L I D S T A T E D E V I C E S S U C H A S M O S F E T S , E S P E C I A L L Y C M O S T Y P E S , A R E S U S C E P T I B L E T O D A M A G E B Y E L E C T R O S T A T I C D I S C H A R G E S R E C E I V E D F R O M I M P R O P E R H A N D L I N G , T H E U S E O F U N G R O U N D E D T O O L S A N D I M P R O P E R S T O R A G E A N D P A C K A G I N G .
  • Page 5 PREFACE SCO PE T h i s m a n u a l co n t a i n s m a i n t e n a n c e i n s t r u c t i o n s f o r t h e 2 9 7 5 . T h e i n f o r m a t i o n i n t h i s m a n u a l e n a b l e s s e r v i c i n g t e ch n i c i a n s t o : S e r v i c e , t e s t o r r e p l a c e a n y m a j o r a s s e m b l y w i t h i n t h e 2 9 7 5 .

  • Page 6: Table Of Contents

    TABLE OF CONTENTS P A R A G R A P H T I T L E P A G E SECTIO N 1 - T HEO RY O F O PERATIO N 1 - 1 G e n e r a l ....................1 - 1 1 - 2 S y s t e m O v e r v i e w .
  • Page 7 TABLE OF CONTENTS (cont) P A R A G R A P H T I T L E P A G E SECTION 2 - CALIBRATION (cont) 2 - 4 - 6 G e n e r a t o r T / R P o w e r L e v e l F l a t n e s s ..........2 - 8 2 - 4 - 7 R F P o w e r M e t e r A ccu r a cy .
  • Page 8 TABLE OF CONTENTS (cont) P A R A G R A P H T I T L E P A G E SECT IO N 3 - REPLACEMENT PRO CEDURES 3 - 1 G e n e r a l ....................3 - 1 3 - 1 - 1 S a f e t y P r e ca u t i o n s .
  • Page 9 TABLE OF CONTENTS (cont) P A R A G R A P H T I T L E P A G E SECT IO N 5 - ASSEMBLIES APPENDIX A - I/O CONNECTORS AND PIN-OUT TABLES A - 1 T a b l e o f I / O C o n n e c t o r s ............... . . A - 1 A - 2 P i n - O u t T a b l e f o r M I C C o n n e c t o r .
  • Page 10 TABLE OF CONTENTS (cont) P A R A G R A P H T I T L E P A G E APPENDIX E - TEST EQ UIPMENT REQ UIREMENT S E - 1 G e n e r a l ....................E - 1 E - 2 R e c o m m e n d e d T e s t E q u i p m e n t .
  • Page 11 LIST OF ILLUSTRATIONS F I G U R E N O . T I T L E P A G E 1 - 1 2 9 7 5 S y s t e m O v e r v i e w ................1 - 3 1 - 2 2 9 7 5 M o d u l e O v e r v i e w .
  • Page 12 LIST OF ILLUSTRATIONS (cont) F I G U R E N O . T I T L E P A G E 5 - 1 6 M u l t i f u n c t i o n I / O P C B A ssy ..............5 - 2 2 5 - 1 7 R e c e i v e r A s s y .

  • Page 13: General

    SECTION 1 - THEORY OF OPERATION GENERAL T h e 2 9 7 5 d i g i t a l r a d i o t e s t p l a t f o r m i n t e g r a t e s o v e r 2 0 r a d i o - t e s t i n g i n s t r u m e n t s i n t o a s i n g l e u s e r - f r i e n d l y i n s t r u m e n t t h a t o f f e r s t h e i n t e r c o n n e ct i vi t y n o r m a l l y e xp e c t e d f r o m a p e r s o n a l co m p u t e r .
  • Page 14 G E N E R A T E S Y S T E M O V E R V I E W T h e G e n e r a t e S y s t e m p a t h s t a r t s w i t h t h e C A I P C B A s s y . T h e C A I P C B A s s y d i g i t a l l y mo d u l a t e s a n 1 1 .
  • Page 15 Generator Assy Mixer 20 dB Atten CAI PCB Assy Shielded 20 dB (Common Air Interface) 3411.7 MHz IF Coaxial Cables 20 dB 20 dB Mixer 20 dB I Out Q Out Mixer 10 dB 610.7 MHz IF Mixer Harris Up 90.7 MHz IF Convertor External 10 MHz I/O...
  • Page 16 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . 1- 4...

  • Page 17: Module Overview

    MODULE OVERVIEW P a g e B a c kp l a n e P C B A s s y ( 4 2 A 1 A 1 A 1 ) ............1 - 1 3 F r o n t P a n e l A u d i o P C B A s s y ( 4 2 A 1 A 1 A 2 ) .
  • Page 18 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . 1 - 6...
  • Page 19 Receive Module (Cal - Not Used) 210.7 MHz BPF 10.7 MHz IF 10.7 MHz IF (To IF/Video Block) 50 dB Power Termination 3410.7 Step MHz IF Atten 40 MHz - Not Used LNA_BIAS Receive System 15 MHz LPF 3410.7 to Wide-Span 3200 MHz Hardware Gain...
  • Page 20 IF/Video PCB Assy 12 Bit 14 MHz LPF 14 MHz LPF 7.5 MHz HPF R_AMP-B_20 dB BW=300 kHz 2 of 6 Poles R_AMP-A_20 dB R_AMP-C_20 dB BW=300 kHz BW=30 kHz R_AMP-D_10 dB 4 of 6 Poles 6 Poles IF Count Gates 12 Bit Line Driver...
  • Page 21 Tracking Generator Sweep Input from YIG Crossfeed 4.8 MHz 3.4 to 6.2 GHz YIG Osc Divide by 4 Driver Generator Assy 80 MHz from Reciever Assy 10MHz 180 to 185 MHz Step Loop Synthesizer Divide Divide 10 MHz Input by N by 8 Snap Diode - Track...
  • Page 22 4 kHz Speech Audio Serial Buses and Latch Lines from Disk I/O PCB Assy Dual Volume Low-Pass SPEAKER Control Filter Battery 23 kHz Sense Floppy Drive Data DISK I/O PCB ASSY GPIB CONTROLLER GPIB A1A1W5J1 A1A1A1J23 FAN ON/OFF Hard Drive RS-232, DB-9 A1A1A1J21 POWER ON/OFF...
  • Page 23 SCOPE IN SCOPE IN I OUT Q OUT DVM In CH 1 EXT TRIGGER IN CH 2 A1A2J9 A1A2J10 A1A1A4J3 A1A1A4J1 A1A2J7 A1A1A4J2 REC Serial Control GEN Serial 10.7 MHz IF Control from Receiver Assy IF Serial Control 11.4 MHz IF to Generator Assy I OUT Q OUT...
  • Page 24 Serial Buses and Divider and FGEN OUT Latch Lines to LP FILTER Multifunction I/O PCB Assy Balanced/ and AMP Unbal Select FGEN/DEMOD Dual RJ-45 Connector A1A1A2J3 DEMOD OUT LP FILTER & AMP Direct/ SINAD IN AMP & Balanced/ LP Filter Unbalanced Select MIC/SINAD...
  • Page 25 1- 3- 1 BACKPL ANE PCB ASSY ( 42A1A1A1) R e f e r t o F i g u r e 1 - 2 . T h e B a c k p l a n e P C B A s s y p r o v i d e s t h e m e c h a n i s m t h a t r o u t e s e l e c t r i c a l s i g n a l s b e t w e e n t h e va r i o u s s y s t e m a s s e m b l i e s : 3 2 - P i n C o n n e c t o r p r o v i d e s c o n n e ct i o n t o t h e P o w e r T e r m i n a t i o n A s sy 1 0 P i n H e a d e r p r o v i d e s r i b b o n c a b l e c o n n e c t i o n t o t h e F r o n t P a n e l A s sy...
  • Page 26 1- 3- 2 F RO NT PANEL AUDIO PCB ASSY ( 42A1A1A2) R e f e r t o F i g u r e s 1 - 2 a n d 1 - 3 . T h e F r o n t P a n e l A u d i o P C B A s s y p l u g s i n t o t h e B a ck p l a n e P C B A ss y a n d s u p p o r t s t h e R J - 1 1 a n d T e st C o n n e c t o r o f t h e 2 9 7 5 F r o n t P a n e l .
  • Page 27 1- 3- 3 CPU ADAPT ER ASSY ( 42A1A1A5) R e f e r t o F i g u r e 1 - 2 . T h e C P U A d a p t e r P C B A s s y p r o v i d e s a c o n ve n i e n t m e c h a n i s m b y w h i c h a l l C P U g e n e r a t e d s i g n a l s a r e d i s t r i b u t e d t h r o u g h t h e B a c k p l a n e P C B A ssy t o o t h e r sy s t e m a ss e m b l i e s .
  • Page 28 1- 3- 4 PO WER SUPPLY ASSY ( 42A1A1A6) R e f e r t o F i g u r e s 1 - 2 a n d 1 - 4 . A C p o w e r f o r t h e P o w e r S u p p l y A s s y i s p r o vi d e d b y a n I E C u n i v e r s a l 3 - p r o n g p o w e r e n t r y m o d u l e w i t h a n i n t e g r a t e d p o w e r s w i t c h , f u s e s a n d E M I f i l t e r .
  • Page 29 1- 3- 5 PO WER TERMINATIO N ASSY ( 42A1A1A7) R e f e r t o F i g u r e s 1 - 2 a n d 1 - 5 . T h e P o w e r T e r m i n a t i o n A s s y c o n s i s t s o f f o u r P C B A s s e m b l i e s : L N A , G E N B u f f e r , R F P o w e r a n d C o n t r o l l e r .
  • Page 30 POWER TERMINATION - RF SECTION +6.3 V -5 V +5 V CONTROL DET-B RXOUT_SSMBCOAX LIMITER RXSWB_PIN6 RXSWA_PIN5 RXBIAS_IN RXOLDET_OUT LNA_BIAS 20 dB 3 WAY DET-L POWER 125 W POWER DETECTOR ATTENUATOR DIVIDER DET-H GENAMP_BIAS TEMP SENSOR TEMP SENSOR TXBIAS_IN TXOLDET_OUT TXSWA_PIN5 CONTROL TXSWB_PIN6...

  • Page 31: B A C K P L A N E P C B A S S

    SPARE SPARE FAN_A0 POWER TERMINATION - CONTROLLER SECTION FAN_A1 FAN_A2 FAN_DRIVE POWER DRIVER SUPPLY FAN_RETURN TX_OVLD_OUT SWITCHING CONTROLLER RX_OVLD_OUT TXT/R_IN OVLD_RESET_IN RX SWITCH AND LIMITER +6.3 V CONTROL -5 V D-OUT -6.3 V SCLK D-IN DETECT AD791AP-2 GEN SWITCH AND LIMITER CONTROL EEPROM S-IN...
  • Page 32 1- 3- 6 DISK I/O PCB ASSY ( 42A1A1A9) R e f e r t o F i g u r e s 1 - 2 a n d 1 - 6 . C P U I / O si g n a l s a r e r o u t e d t o t h e D i s k I / O P C B A ss y p l u g - i n sl o t t h r o u g h t h e B a c kp l a n e P C B A ss y . T h e f l o p p y si g n a l s g o d i r e c t l y t o a 2 6 - p i n f l e x c a b l e h e a d e r , p r o v i d i n g a c o n v e n i e n t c o n n e c t i o n t o a 3 .
  • Page 33 1- 3- 7 AT T ENUAT O R ASSY ( 42A1A3) R e f e r t o F i g u r e s 1 - 2 a n d 1 - 7 . T h e a t t e n u a t o r c o n s i s t s o f s i x r e l a y - a t t e n u a t o r s e c t i o n s a n d a d r i v e r b o a r d . O n e r e l a y - a t t e n u a t o r se ct i o n i s 1 0 d B , a n d t h e o t h e r f i ve r e l a y- a t t e n u a t o r s e c t i o n s a r e 2 0 d B ;...
  • Page 34 1- 3- 8 G ENERATO R ASSY ( 42A1A4) R e f e r t o F i g u r e 1 - 2 . T h e C A I P C B A s s y p r o v i d e s 1 1 . 4 M H z I F t o t h e G e n e r a t o r A s s y f o r f r e q u e n c y c o n v e r s i o n t o t h e d e s i r e d o u t p u t f r e q u e n c y .
  • Page 35 1- 3- 9 IF /VIDEO PCB ASSY ( 42A1A5) R e f e r t o F i g u r e 1 - 2 . T h e I F / V i d e o P C B A s s y co n d i t i o n s i n c o m i n g s i g n a l s f r o m t h e R e c e i v e I F A s s y f o r t h e C A I P C B A s s y a n d p r o v i d e s a s q u a r e d I F s i g n a l t o t h e M u l t i f u n ct i o n I / O P C B A s sy f o r f r e q u e n cy c o u n t e r ci r cu i t r y.
  • Page 36 1- 3- 10 MUL T IF UNCT IO N I/O PCB ASSY ( 42A1A6) R e f e r t o F i g u r e s 1 - 2 a n d 1 - 8 . T h e M u l t i f u n ct i o n I / O P C B A s s y c o n s i s t s o f t w o i n d e p e n d e n t s u b s ys t e m s: S co p e / D V M S u b s y st e m a n d A u d i o S u b s y s t e m .
  • Page 37 1- 3- 11 RECEIVER ASSY ( 42A1A7) R e f e r t o F i g u r e 1 - 2 . T h e R e c e i v e r A s s y i s a s e l f c o n t a i n e d w i d e b a n d t r i p l e c o n v e r s i o n r e c e i v e r t h a t i s d e s i g n e d t o c o n v e r t i n c o m i n g f r e q u e n c i e s ( 9 k H z t o 2 .
  • Page 38 1- 3- 12 CAI PCB ASSY ( 42A1A8) R e f e r t o F i g u r e s 1 - 2 a n d 1 - 9 . T h e C A I ( C o m m o n A i r I n t e r f a c e ) P C B A s s y c o n t a i n s t w o D S P ’ s a n d t h e d i g i t a l u p / d o w n c o n v e r t e r c h i p s e t .

  • Page 39: Section 2 - Calibration

    SECTION 2 - CALIBRATION/VERIFICATION GENERAL T h i s s e c t i o n p r o v i d e s t h e m a i n t e n a n c e t e c h n i c i a n w i t h C a l i b r a t i o n a n d V e r i f i c a t i o n P r o c e d u r e s . T h e C a l i b r a t i o n / V e r i f i c a t i o n P r o c e d u r e s s h o u l d o n l y b e p e r f o r m e d b y T e c h n i c i a n s f a m i l i a r w i t h t h e s e t u p a n d o p e r a t i o n o f t h e r e c o m m e n d e d t e s t e q u i p m e n t .

  • Page 40: Precautions

    PRECAUTIONS 2- 2- 1 SAF ET Y A s w i t h a n y p i e c e o f e l e c t r o n i c e q u i p m e n t , t a ke e x t r e m e ca u t i o n w h e n w o r ki n g w i t h “ l i v e ” c i r cu i t s . O b s e r v e t h e f o l l o w i n g p r e c a u t i o n s w h e n p e r f o r m i n g t h e C a l i b r a t i o n / V e r i f i c a t i o n P r o c e d u r e s : W A R N I N G : R E M O V E A L L J E W E L R Y O R O T H E R C O S M E T I C A P P A R E L B E F O R E P E R F O R M I N G...

  • Page 41: E R I F I C A T I O N P R O C E D U R E S

    VERIFICATION PROCEDURES To perf orm a Calibration Verificat ion, perf orm para 2- 4- 2 through 2- 4- 9. To perf orm a Syst em Verificat ion, perf orm para 2- 4- 2 through 2- 4- 29. 2- 4- 1 INIT IAL SETUP P R E R E Q U I S I T E S : N o n e...

  • Page 42: Generator Output Freq Uency

    2-4-2 GENERATOR OUTPUT FREQ UENCY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : U n i v e r s a l C o u n t e r S T E P P R O C E D U R E...

  • Page 43: Generator Output Po Wer

    2-4-3 GENERATOR OUTPUT PO WER P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : P o w e r M e t e r S T E P P R O C E D U R E...

  • Page 44: G Enerat O R L Evel Fl Atness

    2- 4- 4 G ENERAT O R L EVEL FL ATNESS P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : P o w e r M e t e r S T E P...

  • Page 45: G Enerato R T/R Po Wer Level Accuracy

    2- 4- 5 G ENERATO R T/R PO WER LEVEL ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : P o w e r M e t e r S T E P...
  • Page 46 2- 4- 6 G ENERAT O R T /R PO WER LEVEL FLATNESS P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : P o w e r M e t e r S T E P...
  • Page 47 2-4-7 RF PO WER METER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...
  • Page 48 2-4-8 RSSI METER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...
  • Page 49 2- 4- 9 ANAL YZ ER L EVEL ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P...
  • Page 50 S T E P P R O C E D U R E P e r f o r m o n e o f t h e f o l l o w i n g : • I f t h i s p r o c e d u r e i s p e r f o r m e d a s a s t a n d - a l o n e p r o c e d u r e , p e r f o r m t h e f o l l o w i n g k e y s e q u e n c e s t o r e s e t F a c t o r y D e f a u l t S e t t i n g s , t h e n r e m o v e p o w e r f r o m t h e U n i t a n d d i s c o n n e c t t h e t e s t e q u i p m e n t .
  • Page 51 2-4-10 GENERATOR FM RESIDUAL P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M o d u l a t i o n A n a l y z e r S T E P P R O C E D U R E...
  • Page 52 2-4-11 GENERATOR AM RESIDUAL P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M o d u l a t i o n A n a l y z e r S T E P P R O C E D U R E...
  • Page 53 2-4-12 GENERATOR FM DEVIATION ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p 2 - 4 - 5 G e n e r a t o r F M R e s i d u a l E Q U I P M E N T R E Q U I R E D : M o d u l a t i o n A n a l y z e r...
  • Page 54 2-4-13 GENERATOR FM MODULATION RATE P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M o d u l a t i o n A n a l y z e r S T E P P R O C E D U R E...
  • Page 55 2-4-14 GENERATOR FM MODULATION DIST ORTION P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M o d u l a t i o n A n a l y z e r A u d i o A n a l y z e r S T E P...
  • Page 56 2-4-15 GENERATOR AM MODULATION ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p 2 - 4 - 6 G e n e r a t o r A M R e s i d u a l E Q U I P M E N T R E Q U I R E D : M o d u l a t i o n A n a l y z e r...
  • Page 57 2-4-16 RF ERROR METER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...
  • Page 58 2-4-17 AF METER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...
  • Page 59 2-4-18 FM DEVIATION METER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...
  • Page 60 2-4-19 AM MODUL ATION METER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...
  • Page 61 2-4-20 ANALYZER FREQ UENCY AND SPAN ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...
  • Page 62 2-4-21 ANALYZER BANDWIDTH SWITCHING ERROR P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : R F G e n e r a t o r S T E P P R O C E D U R E...

  • Page 63: C A L I B R A T I O N T E S T E Q U I P M E N T C O N F I G U R A T I O

    2-4-22 OSCILLOSCOPE AMPLITUDE ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : A r b i t r a r y W a v e f o r m G e n e r a t o r S T E P P R O C E D U R E...
  • Page 64 S T E P P R O C E D U R E U s i n g t h e f o l l o w i n g s e t t i n g s , v e r i f y t h e p e a k t o p e a k l e v e l o n t h e 2 9 7 5 O s c i l l o s c o p e i s b e t w e e n 7 t o 9 m a j o r d i v i s i o n s .
  • Page 65 2-4-23 DIGITAL VO LTMETER DC ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : V o l t a g e C a l i b r a t o r S T E P P R O C E D U R E...
  • Page 66 2-4-24 DIGITAL VO LTMETER AC ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : V o l t a g e C a l i b r a t o r S T E P P R O C E D U R E...
  • Page 67 2- 4- 25 FUNCTIO N G ENERAT O R L EVEL ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M i c r o p h o n e A d a p t e r D i g i t a l M u l t i m e t e r...
  • Page 68 2-4-26 FUNCTION GENERATOR FREQ UENCY ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M i c r o p h o n e A d a p t e r U n i v e r s a l C o u n t e r 1 0 k Ω...
  • Page 69 2-4-27 FUNCTION GENERATOR TOTAL HARMONIC DIST ORTION P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M i c r o p h o n e A d a p t e r A u d i o A n a l y z e r 1 0 k Ω...
  • Page 70 2-4-28 AF COUNTER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M i c r o p h o n e A d a p t e r A r b i t r a r y W a v e f o r m G e n e r a t o r S T E P...
  • Page 71 2-4-29 SINAD/DIST ORTION METER ACCURACY P R E R E Q U I S I T E S : 2 - 4 - 1 I n i t i a l S e t u p E Q U I P M E N T R E Q U I R E D : M i c r o p h o n e A d a p t e r A r b i t r a r y W a v e f o r m G e n e r a t o r N O T E :...
  • Page 72 VERIFICATION DATA SHEET T E C H N I C I A N : D A T E : 2 9 7 5 S / N : S T E P D A T A R E S U L T G E N E R A T O R O U T P U T F R E Q U E N C Y ( 2 - 4 - 2 ) 1 G H z ( ±...
  • Page 73 S T E P D A T A R E S U L T G E N E R A T O R L E V E L F L A T NE S S ( 2 - 4 - 4 ) ( c o n t ) 0 d B m ( ±...
  • Page 74 S T E P D A T A R E S U L T G E N E R A T O R T / R P O W E R L E V E L F L A T N E S S ( 2 - 4 - 6 ) ( c o n t ) - 3 0 d B m ( ±...
  • Page 75 S T E P D A T A R E S U L T A N A L Y Z E R L E V E L A C C U R A C Y ( 2 - 4 - 9 ) - 3 0 .
  • Page 76 S T E P D A T A R E S U L T A N A L Y Z E R L E V E L A C C U R A C Y ( 2 - 4 - 9 ) ( c o n t ) - 3 0 .
  • Page 77 S T E P D A T A R E S U L T A M M O D U L A T I O N M E T E R A C C U R A C Y ( 2 - 4 - 1 9 ) R e c o r d m o d u l a t i o n l e v e l _ _ _ _ _ _ _ _ R e c o r d m o d u l a t i o n l e v e l...
  • Page 78 S T E P D A T A R E S U L T D I G I T A L V O L T M E T E R A C A C C U R A C Y ( 2 - 4 - 2 4 ) 2 0 0 m V ( ±...
  • Page 79 CALIBRATION PROCEDURES 2- 6- 1 PO WER SUPPL Y VO LTAG ES P R E R E Q U I S I T E S : N o n e E Q U I P M E N T R E Q U I R E D : D i g i t a l M u l t i m e t e r S T E P P R O C E D U R E...
  • Page 80 S T E P P R O C E D U R E V E R I F Y V O L T A G E S A p p l y p o w e r t o t h e 2 9 7 5 f r o m a n a p p r o p r i a t e p o w e r so u r ce . U s i n g t h e D i g i t a l M u l t i m e t e r , v e r i f y t h e f o l l o w i n g v o l t a g e s b e t w e e n t h e l o c a t i o n s s h o w n a n d c h a s s i s g r o u n d .
  • Page 81 042M-046 F i g u r e 2 - 1 P o w e r S u p p l y V o l t a g e s 2 - 4 3...
  • Page 82 2-6-2 GENERATOR / ANALYZER / TCXO P R E R E Q U I S I T E S : 2 - 6 - 1 P o w e r S u p p l y V o l t a g e s E Q U I P M E N T R E Q U I R E D : P C w / E t h e r n e t C a r d a n d G P I B C a r d P o w e r M e t e r...
  • Page 83 S T E P P R O C E D U R E 1 6 . F o l l o w t h e o n - s c r e e n p r o m p t s t h r o u g h t h e C a l i b r a t i o n p r o c e s s . N O T E : W h e n t h e “...
  • Page 84 CALIBRATION DATA SHEET T E C H N I C I A N : D A T E : 2 9 7 5 S / N : S T E P D A T A R E S U L T P O W E R S U P P L Y V O L T A G E S ( 2 - 6 - 1 ) >...
  • Page 85 SENSOR CABLE HP ECP-18A*** CH A Power Sensor Ethernet to Network Power Meter (if applicable) GPIB IFR 2975 HP-EPM-441A** Command Set, set to SCPI Unit Under Test GPIB::4 EXT REF IO EXT REF IO Minimum PC Requirements: BNC-Male to BNC-Male Coaxial Cable...
  • Page 86 Ethernet to/from UUT (Crossover cable) HP ECP-18A SENSOR CABLE Power Sensor Ethernet to Network Power Meter (if applicable) GPIB IFR 2975 HP-EPM-441A Unit Under Test GPIB::4 Move Sensor here for T/R Connector Calibration EXT REF IO 10 MHz Out RF Generator...
  • Page 87 Ethernet to/from UUT (Crossover Cable) SENSOR HP ECP-18A CH. A Power Sensor Ethernet to Network CABLE Power Meter (if applicable) GPIB IFR 2975 HP-EPM-441A Unit Under Test GPIB::4 Splitter Assembly EXT REF IO 10 MHz Out OUTPUT RF Generator ESG-3000A GPIB::9...
  • Page 88 (Crossover cable) CH C Ethernet to Network Universal Counter (if applicable) GPIB w/ Option 030 IFR 2975 HP53131A Unit Under Test GPIB::13 10 MHz In 10 MHz Frequency Standard 10 MHz FREQUENCY STANDARD HOOKUP The EXTERNAL RF I/O Connector is a 10 MHz Input when External Reference is selected and a 10 MHz Output when Internal Reference is selected.

  • Page 89: General

    SECTION 3 - REPLACEMENT PROCEDURES GENERAL T h i s se ct i o n co n t a i n s i n s t r u c t i o n s f o r r e p l a c e m e n t o f a n y a s s e m b l y c o n t a i n e d i n t h e 2 9 7 5 . T h e i n s t r u c t i o n s g i v e n a r e f o r r e m o v a l o f e a c h a s s e m b l y .

  • Page 90: Replacement Procedures

    REPLACEMENT PROCEDURES P a g e 3 - 3 - 1 R e m o v e C a s e A s s y ............. . 3 - 3 3 - 3 - 2 R e p l a c e H a n d l e .

  • Page 91: Remo Ve Case Assy

    3- 3- 1 REMO VE CASE ASSY P R E L I M I N A R Y P R O C E D U R E S : N o n e W A R N I N G : D A N G E R O U S V O L T A G E S A R E P R E S E N T W I T H C A S E A S S Y R E M O V E D I F P O W E R I S P R E S E N T .

  • Page 92: Replace Handle

    3-3-2 REPLACE HANDLE P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E R e m o v e w a s h e r s ( 1 ) s e c u r i n g t h e H a n d l e ( 2 ) t o t h e C a se A s s y ( 3 ) .

  • Page 93: Repl Ace Attenuato R Assy

    3- 3- 3 REPL ACE ATTENUATO R ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E D i s c o n n e c t t h e c o a x i a l c a b l e f r o m e a c h e n d o f t h e A t t e n u a t o r A ss y.

  • Page 94: Repl Ace G Enerat O R Assy

    3- 3- 4 REPL ACE G ENERAT O R ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) R e m o v e A t t e n u a t o r A s sy ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E...

  • Page 95: Repl Ace Receiver Assy

    3- 3- 5 REPL ACE RECEIVER ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E D i s c o n n e c t f o u r c o a x i a l c a b l e s f r o m t h e R e c e i v e r A s sy .

  • Page 96: Repl Ace If /Video Pcb Assy

    3- 3- 6 REPL ACE IF /VIDEO PCB ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E D i s c o n n e c t f o u r c o a x i a l c a b l e s f r o m t h e I F / V i d e o P C B A ss y.

  • Page 97: Repl Ace Mul T If Unct Io N I/O Pcb Assy

    3- 3- 7 REPL ACE MUL T IF UNCT IO N I/O PCB ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E D i s c o n n e c t t h e c o a x i a l c a b l e f r o m t h e I F / V i d e o P C B A ss y .

  • Page 98: Repl Ace Cai Pcb Assy

    3- 3- 8 REPL ACE CAI PCB ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E D i s c o n n e c t t w o c o a x i a l c a b l e s f r o m t h e C A I P C B A s sy .

  • Page 99: Repl Ace Cpu Adapter Assy

    3- 3- 9 REPL ACE CPU ADAPTER ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E D i s c o n n e c t t h e w i r e c a b l e a n d r i b b o n ca b l e f r o m t h e C P U A d a p t e r P C B A s sy .

  • Page 100: Repl Ace Rear Panel Assy

    3- 3- 10 REPL ACE REAR PANEL ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E 1 .

  • Page 101: R E P L A C E R E A R P A N E L P C B A Ss

    3- 3- 11 REPL ACE REAR PANEL PCB ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E 1 .
  • Page 102 S T E P P R O C E D U R E 3 . R e m o v e f i v e s c r e w s . 4 . R e m o v e n u t s ( 2 e a c h ) f r o m t h r e e co n n e ct o r s. 3 - 1 4...
  • Page 103 S T E P P R O C E D U R E 5 . R e m o ve t h e w i r e c a b l e ( F a n ) f r o m t h e R e a r P a n e l P C B A ss y. 6 .

  • Page 104: R E P L A C E P O W E R S U P P L Y A Ss

    3- 3- 12 REPL ACE PO WER SUPPL Y ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) R e m o v e A t t e n u a t o r A s sy ( p a r a 3 - 3 - 3 ) S T E P P R O C E D U R E...
  • Page 105 S T E P P R O C E D U R E R e m o v e n u t s ( 2 e a c h ) f r o m t h r e e c o n n e c t o r s . F u l l y l o o s e n t h e c a p t i v e s c r e w s e c u r i n g t h e P o w e r S u p p l y A s s y t o t h e C h a s s i s A s s y .
  • Page 106 S T E P P R O C E D U R E D i s c o n n e c t t h e w i r e c a b l e a n d r i b b o n c a b l e f r o m t h e P o w e r S u p p l y A ss y. R a i s e t h e P o w e r S u p p l y A s s y s t r a i g h t u p a n d o u t o f t h e C h a s s i s A s sy .
  • Page 107 3- 3- 13 REPL ACE DISK I/O PCB ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) R e m o v e P o w e r S u p p l y A s sy ( p a r a 3 - 3 - 1 2 ) S T E P P R O C E D U R E...

  • Page 108: Repl Ace F Ro Nt Panel Assy

    3- 3- 14 REPL ACE F RO NT PANEL ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) S T E P P R O C E D U R E R e m o v e t w o s c r e w s f r o m e a c h c o r n e r o f t h e F r o n t P a n e l A s sy .
  • Page 109 S T E P P R O C E D U R E S e p a r a t e t h e F r o n t P a n e l A s s y f r o m t h e C h a s s i s A s s y . D i s c o n n e c t t h e w i r e c a b l e a n d r i b b o n ca b l e f r o m t h e C P U A d a p t e r P C B A s sy .
  • Page 110 S T E P P R O C E D U R E D i s c o n n e c t t h r e e c o a x i a l c a b l e s f r o m t h e F r o n t P a n e l A ss y . 3 - 2 2...
  • Page 111 3- 3- 15 REPLACE FRO NT PANEL AUDIO PCB ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) R e m o v e F r o n t P a n e l A s sy ( p a r a 3 - 3 - 1 4 ) S T E P P R O C E D U R E...

  • Page 112: R E P L A C E P O W E R T E R M I N A T I O N A Ss

    3- 3- 16 REPLACE PO WER T ERMINAT IO N ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) R e m o v e P o w e r S u p p l y A s sy ( p a r a 3 - 3 - 1 2 ) S T E P P R O C E D U R E...
  • Page 113 S T E P P R O C E D U R E R e m o v e f o u r s c r e w s s e c u r i n g t h e P o w e r T e r m i n a t i o n A s s y t o t h e C h a s s i s A s s y . R e m o v e t h e P o w e r T e r m i n a t i o n A s s y .

  • Page 114: Replace Flo Ppy Drive Assy

    3- 3- 17 REPLACE FLO PPY DRIVE ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) R e m o v e F r o n t P a n e l A s sy ( p a r a 3 - 3 - 1 4 ) S T E P P R O C E D U R E...

  • Page 115: Repl Ace Backplane Pcb Assy

    3- 3- 18 REPL ACE BACKPLANE PCB ASSY P R E L I M I N A R Y P R O C E D U R E S : R e m o v e C a s e A s s y ( p a r a 3 - 3 - 1 ) R e m o v e A t t e n u a t o r A s sy ( p a r a 3 - 3 - 3 ) R e m o v e G e n e r a t o r A s sy ( p a r a 3 - 3 - 4 ) R e m o v e R e c e i ve r A s s y ( p a r a 3 - 3 - 5 )
  • Page 116 S T E P P R O C E D U R E R e m o v e f o u r s c r e w s s e c u r i n g t h e C a r d c a g e A s s y t o t h e C h a s s i s A s s y . R e m o v e t h e C a r d c a g e A s s y f r o m t h e C h a s s i s A s s y .

  • Page 117: Section 4 - Parts List

    SECTION 4 - PARTS LIST GENERAL T h i s se ct i o n co n t a i n s t h e p a r t n u m b e r s a n d d e s c r i p t i o n s f o r r e p l a c e a b l e p a r t s i n t h e 2 9 7 5 . P a g e A cc e s s o r i e s .

  • Page 118: Parts Lists

    PARTS LISTS 4- 2- 1 ACCESSO RIES ( F ig u re 4- 1) R E F E R E N C E P A R T M F R D E S I G N A T O R N U M B E R C O D E D E S C R I P T I O N...
  • Page 119 F i g u r e 4 - 1 A cc e s s o r i e s 4 - 3...

  • Page 120: C O M P O S I T E A S S Y

    4- 2- 2 CO MPO SIT E ASSY ( 7003- 4248- 500) ( Figure 4- 2) ( R E V C ) R E F E R E N C E P A R T D E S I G N A T O R N U M B E R D E S C R I P T I O N 1 4 1 2 - 4 2 5 4 - 9 0 0...

  • Page 121: C H A S S I S A S S Y

    4- 2- 3 CHASSIS ASSY ( 7005- 4243- 900) ( Figure 4- 3) ( R E V G ) R E F E R E N C E P A R T D E S I G N A T O R N U M B E R D E S C R I P T I O N 1 4 0 3 - 4 2 5 5 - 0 0 0...
  • Page 122 4- 2- 3 CHASSIS ASSY ( 7005- 4243- 900) ( Figure 4- 3) ( cont ) ( R E V G ) ( c o n t ) R E F E R E N C E P A R T D E S I G N A T O R N U M B E R D E S C R I P T I O N...

  • Page 123: C P U A D A P T E R A S S Y

    4- 2- 4 CPU ADAPTER ASSY ( Fig ure 4- 4) ( 7 0 0 5 - 4 2 4 3 - 5 0 0 ) ( R E V F ) R E F E R E N C E P A R T D E S I G N A T O R N U M B E R...
  • Page 124 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . 4 - 8...
  • Page 125 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). P/O (A9) 042M-036 F i g u r e 4 - 2 2 9 7 5 C o m p o s i t e A s s y 4 - 9...
  • Page 126 0 4 2 M - 0 3 5 F i g u r e 4 - 2 2 9 7 5 C o m p o s i t e A s s y ( c o n t ) 4 - 1 0...
  • Page 127 F i g u r e 4 - 3 2 9 7 5 C h a s s i s A s s y 4 - 1 1...
  • Page 128 (7005-4243-500) (7010-4238-800) F i g u r e 4 - 4 C P U A d a p t e r A s s y 4 - 1 2...

  • Page 129: F R O N T P A N E L A U D I O P C B A S S Y B L O C K D I A G R A

    SECTION 5 - ASSEMBLIES F I G U R E T I T L E P A G E 5 - 1 2 9 7 5 S y s t e m I n t e r c o n n e c t ( 0 0 0 0 - 4 2 4 2 - 0 0 0 ) ( 4 2 ) 5 - 3...
  • Page 130 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . 5 - 2...
  • Page 131 ( REV D, E, F ) ( REV E ) ( REV F ) F i g u r e 5 - 1 2 9 7 5 S y s t e m I n t e r c o n n e c t ( 0 0 0 0 - 4 2 4 2 - 0 0 0 - G ) 5 - 3...
  • Page 132 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042-005 F i g u r e 5 - 2 C h a s s i s A s s y ( 7 0 0 5 - 4 2 4 3 - 9 0 0 - G ) ( 4 2 A 1 A 1 ) 5 - 4...
  • Page 133 042M-030 F i g u r e 5 - 3 B a c k p l a n e P C B A s sy ( 7 0 1 0 - 4 2 3 6 - 1 0 0 - B ) ( 4 2 A 1 A 1 A 1 ) 5 - 5...
  • Page 134 IF/Video -15V IF_CHANGE +15V Multi-I/O Power -15V -15V +15V IF_SDIN +5VA Term +15V +15V +5VA -15V +5VA +5VA IF_SRST +24V RX_CHANGE PT_OVLD_RESET_IN +24V +24V RX_DOUT PT_RX_OVLD_OUT PT_RXT/R_IN CAI_40MHZ RX_SPARE_1 PT_DET_SLO RX_SPARE_2 GEN_CLEAR PT_CLK GEN_DOUT PT_EEPROM_CS GEN_SPARE_3 ATT_LATCH PT_RFS IF_CHANGE PT_SCLK RX_CHANGE GEN_CHANGE IF_SRST...
  • Page 135 Front Panel Audio FP_UUT_SERIAL_IN1 FP_UUT_SERIALOUT1_OC -15V +5VD Multi-I/O FP_UUT_DIG_IN1 FLPY:WG FP_UUT_DIG_IN2 +15V FLPY:WP Disk I/O FP_UUT_DIG_IN3 +5VD FLPY:DS1 FP_UUT_DIG_IN4 -15V FLPY:DS0 FP_UUT_DIG_OUT1_OC FPA_VOUT_CLK FLPY:HDSEL FP_UUT_DIG_OUT2_OC FPA_VOUT_DATA FLPY:DENS FP_UUT_DIG_OUT3_OC FPA_VOUT_LATCH FLPY:DS1 FP_UUT_DIG_OUT4_OC FPA_VOUT_DISABLE FLPY:MTR1 AUDIO_OUT_R FPA_DATA_OUT_LATCH FPA_A/D_CONV FLPY:DIR FPA_DATA_OUT_B FPA_A/D_CLK FLPY:HDSEL AUDIO_OUT_L FPA_VOUT_LATCH FP_UUT_DIG_OUT1_OC...
  • Page 136 Multi-I/O -15V -15V -15V IOCHCK IOCS16 Interface +5VD +5VD SIGNAL1 +5VD IRQ10 IRQ11 SIGNAL2 IRQ11 SIGNAL3 Power SIGNAL4 Supply SIGNAL5 Interface SIGNAL6 IOWR IOWR SIGNAL7 IOWR PWR_ON Pwr On GMEMW GMEMW SIGNAL8 GMEMW Pwr Off SIGNAL9 PWR_OFF -15V SIGNAL10 -15V SIGNAL11 AC Power Fail SIGNAL12...
  • Page 137 +5VD PARALLEL KEY:CLK COM1 KEY:DATA MOUSE:CLK LPT:STROBE MOUSE:DATA LPT:D0 LPT:D1 COM1:RTS LPT:D2 COM1:DTR LPT:D3 COM1:RI LPT:D4 COM2:RTS LPT:D5 COM2:DTR LPT:D6 +5VD COM2:RI LPT:D7 LPT:ACK LPT:ACK LPT:BUSY LPT:BUSY LPT:ERR LPT:PE KEY& LPT:D2 LPT:SLCT MOUS LPT:D5 LPT:AFD RA 6 PIN DUAL PS2 F BEEP LPT:ERR LPT:INIT...
  • Page 138 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). (7010-4234-000) (7010-4238-700) 042M-010 F i g u r e 5 - 4 F r o n t P a n e l A u d i o P C B A s sy ( 7 0 1 0 - 4 2 3 4 - 0 0 0 - H ) ( 7 0 1 0 - 4 2 3 8 - 7 0 0 - A ) ( 4 2 A 1 A 1 A 2 ) 5 - 1 0...
  • Page 139 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-011 F i g u r e 5 - 5 R e a r P a n e l P C B A s sy ( 7 0 1 0 - 4 2 3 3 - 8 0 0 - B ) ( 4 2 A 1 A 1 A 3 ) 5 - 1 1...
  • Page 140 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-013 F i g u r e 5 - 6 F r o n t P a n e l A s sy ( 7 0 0 5 - 4 2 4 3 - 7 0 0 - F ) ( 4 2 A 1 A 1 A 4 ) 5 - 1 2...
  • Page 141 (7005-4243-500) (7010-4238-800) F i g u r e 5 - 7 C P U A d a p t e r A s s y ( 7 0 0 5 - 4 2 4 3 - 5 0 0 - F ) ( 7 0 1 0 - 4 2 3 8 - 8 0 0 - C ) ( 4 2 A 1 A 1 A 5 ) 5 - 1 3...
  • Page 142 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-013 F i g u r e 5 - 8 P o w e r S u p p l y A s sy ( 7 0 0 5 - 4 2 4 3 - 4 0 0 - D ) ( 4 2 A 1 A 1 A 6 ) 5 - 1 4...
  • Page 143 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-013 F i g u r e 5 - 9 P o w e r T e r m i n a t i o n A s s y ( 7 0 0 5 - 4 2 4 2 - 5 0 0 - K ) ( 4 2 A 1 A 1 A 7 ) 5 - 1 5...
  • Page 144 0 4 2 M - 0 3 2 F i g u r e 5 - 1 0 F l o p p y D r i v e A s sy ( 7 1 1 0 - 4 2 4 4 - 4 0 0 - A ) ( 4 2 A 1 A 1 A 8 ) 5 - 1 6...
  • Page 145 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). BAR CODE BAR CODE 042M-012 F i g u r e 5 - 1 1 D i s k I / O P C B A s s y ( 7 0 1 0 - 4 2 3 2 - 8 0 0 - D ) ( 4 2 A 1 A 1 A 9 ) 5 - 1 7...
  • Page 146 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-007 F i g u r e 5 - 1 2 R e a r P a n e l A s sy ( 7 0 0 5 - 4 2 4 3 - 8 0 0 - D ) ( 4 2 A 1 A 2 ) 5 - 1 8...
  • Page 147 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-006 F i g u r e 5 - 1 3 A t t e n u a t o r A s sy ( 7 0 0 5 - 4 2 4 3 - 1 0 0 - F ) ( 4 2 A 1 A 3 ) 5 - 1 9...
  • Page 148 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-009 F i g u r e 5 - 1 4 G e n e r a t o r A s s y ( 7 0 0 5 - 4 2 4 2 - 6 0 0 - E ) ( 7 0 0 5 - 4 4 4 2 - 5 0 0 - A ) ( 7 0 0 5 - 4 4 4 4 - 2 0 0 - A ) ( 7 0 0 5 - 4 2 4 9 - 0 0 0 - A ) ( 4 2 A 1 A 4 ) 5 - 2 0...
  • Page 149 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-004 F i g u r e 5 - 1 5 I F / V i d e o P C B A s sy ( 7 0 1 0 - 4 2 3 6 - 8 0 0 - D ) ( 4 2 A 1 A 5 ) 5 - 2 1...
  • Page 150 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-003 F i g u r e 5 - 1 6 M u l t i f u n c t i o n I / O P C B A s s y ( 7 0 1 0 - 4 2 3 6 - 7 0 0 - D ) ( 4 2 A 1 A 6 ) 5 - 2 2...
  • Page 151 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-008 F i g u r e 5 - 1 7 R e c e i v e r A s s y ( 7 0 0 5 - 4 2 4 8 - 1 0 0 - B ) ( 4 2 A 1 A 7 ) 5 - 2 3...
  • Page 152 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). (REV F) ID LABEL BAR CODE (REV F) 042M-002 F i g u r e 5 - 1 8 C A I P C B A s s y ( 7 0 1 0 - 4 2 3 2 - 9 0 0 - K ) ( 4 2 A 1 A 8 ) 5 - 2 4...
  • Page 153 CAUTION: CONTAINS PARTS AND ASSEMBLIES SUSCEPTIBLE TO DAMAGE BY ELECTROSTATIC DISCHARGE (ESD). 042M-001 F i g u r e 5 - 1 9 H a n d l e A s sy ( 7 1 1 0 - 4 2 4 6 - 8 0 0 - C ) ( 4 2 A 1 A 9 ) 5 - 2 5...
  • Page 154 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . 5 - 2 6...

  • Page 155: Appendix A - I/O Connectors And Pin-Out Tables

    APPENDIX A - I/O CONNECTORS AND PIN-OUT TABLES TABLE OF I/O CONNECTORS C O N N E C T O R N A M E C O N N E C T O R T Y P E S I G N A L I N / O U T S I G N A L T Y P E M I C / A C C 8 P i n D I N...

  • Page 156: Pin-Out Table For Mic Connector

    PIN-OUT TABLE FOR MIC CONNECTOR P I N N U M B E R S I G N A L N A M E S I G N A L T Y P E I / O G N D G N D G N D G N D...

  • Page 157: Pin-Out Table For Audio I/O Connector

    PIN-OUT TABLE FOR AUDIO I/O CONNECTOR P I N N U M B E R S I G N A L N A M E S I G N A L T Y P E I / O A U D I O I N ( + ) A U D I O F R E Q I N , B A L / U N B A L , ( + ) A U D I O I N ( - )

  • Page 158: Pin-Out Table For Gpib Connector

    PIN-OUT TABLE FOR GPIB CONNECTOR P I N N U M B E R A S S I G N M E N T P I N N U M B E R A S S I G N M E N T D I O 1 D I O 5 D I O 2...

  • Page 159: Pin-Out Table For Rs-232 Connector

    PIN-OUT TABLE FOR RS-232 CONNECTOR P I N N U M B E R A S S I G N M E N T S I G N A L N A M E I N P U T D A T A C A R R I E R D E T E C T ( D C D ) I N P U T R E C E I V E D A T A ( R X ) O U T P U T...

  • Page 160: Pin-Out Table For Printer Connector

    PIN-OUT TABLE FOR PRINTER CONNECTOR P I N N U M B E R A S S I G N M E N T S I G N A L N A M E B I - D I R E C T I O N A L / S T R O B E B I - D I R E C T I O N A L P D 0...

  • Page 161: Pin-Out Table For Test Port Connector

    PIN-OUT TABLE FOR TEST PORT CONNECTOR P I N N U M B E R A S S I G N M E N T P I N N U M B E R A S S I G N M E N T D I G I T A L I N 1 D I G I T A L O U T 1 D I G I T A L I N 2...

  • Page 162: Pin-Out Table For Vga Connector

    PIN-OUT TABLE FOR VGA CONNECTOR P I N N U M B E R A S S I G N M E N T P I N N U M B E R A S S I G N M E N T R E D V I D E O N / C G R E E N V I D E O...

  • Page 163: Pin-Out Table For Mouse Connector

    PIN-OUT TABLE FOR MOUSE CONNECTOR P I N N U M B E R S I G N A L N A M E S I G N A L T Y P E I / O M D A T A B i - D i r e ct i o n a l M o u s e D a t a N / C...

  • Page 164: Pin-Out Table For Keyboard Connector

    A-10 PIN-OUT TABLE FOR KEYBOARD CONNECTOR P I N N U M B E R S I G N A L N A M E S I G N A L T Y P E I / O K B D A T A B i - D i r e c t i o n a l K e y b o a r d D a t a N / C...

  • Page 165: Pin-Out Table For Usb Connector

    A-11 PIN-OUT TABLE FOR USB CONNECTOR P I N N U M B E R S I G N A L N A M E S I G N A L T Y P E I / O V C C P W R ( - ) D A T A D A T A...

  • Page 166: Pin-Out Table For Ethernet Connector

    A-12 PIN-OUT TABLE FOR ETHERNET CONNECTOR P I N N U M B E R S I G N A L N A M E S I G N A L T Y P E I / O T X ( + ) D A T A O U T T X ( - )

  • Page 167: Appendix B - Repacking For Shipment

    APPENDIX B - REPACKING FOR SHIPMENT REPACKING FOR SHIPPING A e r o f l e x T e s t S e t s r e t u r n e d t o f a c t o r y f o r ca l i b r a t i o n , se r v i c e o r r e p a i r m u st b e r e p a c ka g e d a n d s h i p p e d su b j e c t t o t h e f o l l o w i n g c o n d i t i o n s : AUTHORIZATION D o n o t r e t u r n a n y p r o d u c t s t o f a c t o r y w i t h o u t a u t h o r i z a t i o n f r o m A e r o f l e x C u s t o m e r S e r vi c e...
  • Page 168 TOP PACKING MOLD TEST INSTRUMENT WRAPPED WITH POLYETHYLENE HOLD DOWN SHEETING STRAP BOTTOM PACKING MOLD SHIPPING CONTAINER F i g u r e B - 1 R e p a c k i n g f o r S h i p m e n t B - 2...

  • Page 169: Appendix C - Controls And Connectors

    APPENDIX C - CONTROLS AND CONNECTORS CONTROLS H E L P K e y F u t u r e U s e : C o n t e x t S e n si t i ve H e l p o n S c r e e n . S O F T F U N C T I O N K e y s F 1 t h r o u g h F 7 , s c r e e n d e p e n d e n t k e y s w h o s e f u n c t i o n s a r e d i s p l a y e d i m m e d i a t e l y a d j a c e n t t o e a c h k e y o n t h e L C D .
  • Page 170 E S C K e y E s c a p e s t h e a c t i v e e d i t f i e l d w i t h o u t s a v i n g t h e n e w d a t a e n t r y . E N T E R K e y G e n e r a t e s a n e w l i n e w h e n p r e s s e d i n a t e x t e n t r y f i e l d .

  • Page 171: Connectors

    CONNECTORS C- 2- 1 2975 F RO NT PANEL T E S T F u t u r e U s e : C u s t o m R a d i o I n t e r f a c i n g S C O P E C H 1 a n d C H 2 I n p u t s t o t h e O s c i l l o s c o p e 1 0 0 V m a x i m u m i n p u t !
  • Page 172 A N T R F R e c e i v e r I n p u t ( 5 0 W f o r 3 0 s e c o n d s m a xi m u m ) D O N O T t r a n s m i t R F i n t o t h i s c o n n e ct o r ! F L O P P Y D I S K D R I V E 3 ½...

  • Page 173: 2975 Rear Panel

    C-2-2 2975 REAR PANEL ( L a t e r v e r s i o n s o n l y ) M A I N P O W E R S W I T C H S y s t e m A C I n p u t B A T T E R Y S E N S E F u t u r e U s e P A R A L L E L...
  • Page 174 E X T T R I G E x t e r n a l O s c i l l o s c o p e T r i g g e r E X T E R N A L R F I / O 1 0 M H z T i m e b a s e I n a n d O u t G P I B F u t u r e U se...
  • Page 175 APPENDIX D - SPECIFICATIONS A w a r m - u p t i m e o f 5 m i n u t e s i s r e q u i r e d f o r t h e f o l l o w i n g p e r f o r m a n c e r e q u i r e m e n t s .
  • Page 176 GENERATOR MODULATOR F M : D e v i a t i o n A c c u r a c y : 3 % , + r e si d u a l , ± L S D ( 1 kH z t h r o u g h 2 0 kH z d e v i a t i o n , 1 t h r o u g h 1 0 k H z r a t e ) 5 % , + r e si d u a l , ±...
  • Page 177 A N T C O N N E C T O R A N T C o n n e c t o r P r o t e c t i o n : + 5 0 d B m f o r 3 0 s e c . T h r e s h o l d : + 2 0 d B m ( n o m i n a l ) A N T E N N A R E C E I V E L E V E L M E T E R :...
  • Page 178 R E C E I V E A U D I O F R E Q U E N C Y C O U N T E R I N P U T L E V E L R A N G E : A N T C o n n e c t o r : I n p u t L e v e l >...
  • Page 179 AUDIO FREQUENCY GENERATOR W A V E S H A P E F O R M A T S : W a ve S h a p e s : S i n e , S q u a r e , T r i a n g l e , R a m p A m p l i t u d e L e v e l : ( T h e c o m b i n a t i o n o f F G E N 1 a n d F G E N 2 ca n n o t e x c e e d t h e f o l l o w i n g c o n n e c t o r l i m i t a t i o n s.
  • Page 180 M I C I N ( M I C ) H I G H I M P E D A N C E O N L Y : + 5 V t h r o u g h 5 k Ω P h a n t o m P o w e r A U D I O F R E Q U E N C Y C O U N T E R I N P U T L E V E L R A N G E ( D E M O D S E L E C T E D ) :...
  • Page 181 A T T E N U A T O R : R a n g e : 0 t o 5 0 d B ( S e l e c t a b l e m a n u a l l y o r a u t o c o u p l e d t o r e f e r e n c e l e v e l .
  • Page 182 DVM FUNCTIONS A C : 1 M Ω I n p u t I m p e d a n c e : 6 0 0 Ω 1 5 0 Ω R a n g e : 4 0 0 m V t o 1 0 0 V i n a 1 , 2 , 4 s e q u e n c e R e s o l u t i o n : 1 m V t h r o u g h 5 V s c a l e , 1 0 m V o n t h e 1 0 t h r o u g h 1 0 0 V s ca l e s...
  • Page 183 D-12 AC POWER I n p u t R a n g e : 1 0 0 t o 1 2 0 V A C , 6 0 H z , 2 2 0 t o 2 4 0 V A C , 5 0 H z M a x i m u m P o w e r C o n s u m p t i o n : 2 2 0 W M a i n S u p p l y F l u c t u a t i o n s :...
  • Page 184 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . D - 1 0...
  • Page 185 APPENDIX E - TEST EQUIPMENT REQUIREMENTS T h i s A p p e n d i x c o n t a i n s a l i s t o f t e s t e q u i p m e n t s u i t a b l e f o r p e r f o r m i n g a l l t e s t i n g p r o c e d u r e s c o n t a i n e d i n t h i s m a n u a l .
  • Page 186 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . E - 2...
  • Page 187 APPENDIX F - ETHERNET CROSSOVER CABLE T h i s c a b l e c a n b e u s e d t o c a s c a d e h u b s o r f o r c o n n e c t i n g t w o E t h e r n e t s t a t i o n s b a c k - t o - b a c k w i t h o u t a h u b .
  • Page 188 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . F - 2...
  • Page 189 INDEX 2 9 7 5 F r o n t P a n e l C o n n e c t o r s C - 3 C A I P C B A s s y 2 9 7 5 R e a r P a n e l C o n n e c t o r s C - 5 A s s e m b l y 5 - 2 4...
  • Page 190 G e n e r a l S y s t e m O v e r v i e w 1 - 1 P a r t s L i s t s G e n e r a t o r A s s y A c c e s s o r i e s 4 - 2 A s s e m b l y...
  • Page 191 R e a r P a n e l A s s y V e r i f i c a t i o n D a t a S h e e t 2 - 3 4 A s s e m b l y 5 - 1 8 V e r i f i c a t i o n P r o c e d u r e s 2 - 3...
  • Page 192 T H I S P A G E I N T E N T I ON A L L Y L E F T B L A N K . I N D E X - 4...
  • Page 193 As we are always seeking to improve our products, the information in this document gives only a general indication of the product capacity, performance and suitability, none of which shall form part of any contract. We reserve the right to make design changes without notice. CHINA Tel: [+86] (10) 6467 2716 Fax: [+86] (10) 6467 2821...

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