STOCK NO. 0967-LP-000-0010 communications ElEC TRONICS INS TALIA T10Al AND MAINTENA NCE BOOK NAVSEA: SE000-00-EIM-010 PUBLISHED: SEPTEMBER 1979 The daigncLtion "FOR O F F I C I A L USE ONLY" digniaies Rhat $kid document may not be dLLltthw ~ d m d .to t h e p u b l i c oh t o AOWLCU ou;tdide t h e U. S . Govehnm& ULtthoLLt t h e pehmhhion od ;the. Cammandeh, Navd Sea Systemh Command. DEPARTMENT OF THE NAVY F O R O F F I C I A L USE ONLY 0 NAVAL SEA SYSTEMS COMMAND BOX SCORE NAVSEA 0967-LP-000-0010 COMMUNICATIONS EIMB BOX SCORE EDITION Basic Change 9 ( 3 ) PUBLICATION DATE STOCK NUMBER September 1979 0967-LP-000-0010 February 1967 0967-LP-000-0019 LATEST EIB COVERED(]) 987 FClG CUTOFF DATE(2) J u l y 1979 A NOTES ( 1 ) The number l i s t e d i n t h i s column i n d i c a t e s t h a t t h i s handbook i s s u e i n c o r p o r a t e s i n f o r m a t i o n from EIB issues up t o and i n c l u d i n g t h e one shown. I n a d d i t i o n t o t h i s column e n t r y , a source r e f e r e n c e code i s i n s e r t e d immediately f o l l o w i n g t h e l a s t l i n e o f copy o f p e r t i n e n t a r t i c l e s p i c k e d up i n EIMB Handbooks, The f o l l o w i n g examples show t h e coding method used t o i d e n t i f y o r i g i n o f m a t e r i a l used: CODE ORIGIN E l e c t r o n i c s I n f o r m a t i o n B u l l e t i n (EIB) No. 874 -------EIB 13s (Shore Q u a r t e r l y Supplement ------------------NAVSEA Journal Vol. 26, No. 1 ------------------------Naval Ship Systems Command Technical News Val. 14, No. 6 ................................. CEIB 7 ( C l a s s i f i e d EIB)* ------------------------------ [ E I E 874) (13s) (NJ26- I ) (TN14-6) IC7 * O d y u t L t i d e ~ujhich hawe been ~ e w h e dt o o m i t d a c i h i 6 i e d data bLLt & e t a i n in6om1&on o6 w d u e arid Lan.ting int4)La.t. ( 2 ) The e n t r y i n t h i s column i n d i c a t e s t h a t a l l f i e l d changes assigned up t o and i n c l u d i n g t h e d a t e shown have been p i c k e d up i n the FCIG o f t h i s i s s u e . (3) T h i s change c o n s i s t s o f t h e Tab Separator Package. ORIGINAL (See EIB 703 f o r e x p l a n a t i o n ) . NAVSEA 0967-LP-000-0010 COMMUNICATIONS EFFECTIVE PAGES LIST OF EFFECTIVE PAGES , Change I n Effect Page Number Front Matter Original Original Original T i t l e Pagelii iii t h r u x i v A/ B Section 1 - General Change 9 Original Tab Separator 1-1 t h r u 1-103 Section 2 - C i r c u i t Applications Tab Separator 2-1 t h r u 2-28 Change 9 Original Section 3 - FCIG Change 9 Original Original Tab Separator 3-i thru 3-iv A-1 t h r u A-221 Section 4 j - Service Notes Tab Separator 4- 1 AD-2: 1 AM-41 3A/G : 1 AM-420/U:1 AM- 21 23/U :1 AM-2505/URA-31: 1 AM-3637/FRA-54:l A M - ~ ~ ~ ~ ( X N - ~ ) /1U R T : AM-6047/FRT-84(V) : 1 AM-61 54/GRT-21: 1 AM-61 55/GRT-22: 1 ANIARC-1: 1 t h r u 10 AN/ARC- 27 : 1 AN/ART-50:l AN/BRA-15: 1 AN/BRA-16:l AN/BRA-18:1, 2 AN/BRA-21: 1 AN/BRD-7:) AN/BRN-7:l AN/BRR-3 :1 , 2 AN/CRT-3:l AN/FCC-3: 1 , 2 AN/FCC-66:l AN/FGC-1: 1 AN/FGC-5:) AN/FGC-59:l AN/FGC-60(V) : 1 AN/FGC-73:l AN/FRA-19:1, 2 AN/FRA- 501 :1 AN/FRC-37:l ANIFRD-IOA(V): 1 AN/FRN- 12A :1 ORIGINAL Change 9 Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Page Number Change I n Effect AN/FRN-24: 1 AN/FRR-49:1 AN/FRR-59:l AN/FRR-502: 1 AN/FRT-6: 1 AN/FRT-15: 1 AN/FRT- 17 :1 AN/FRT-24:l AN/FRT-25: 1, 2 ANIFRT-39: 1 t h r u 9 AN/FRT-40:l t h r u 3 AN/FRT-54: 1 AN/FRT-62: 1 AN/FRT-83/84: 1 , 2 AN/FRT-85:l AN/FSH-7 (V) :1 , 2 AN/GMQ- 13 :1 AN/GRA-47:l AN/GRC-27: 1 t h r u 6 AN/GRC-165( ) :1 AN/GRD-6 :1 AN/GRN-9:1, 2 AN/GRT-3 :1 AN/GRT-20: 1 ANIGRT-21: 1, 2 AN/GRT-22:l AN/GSA-33 :1 , 2 AN/MRC-97:l AN/PRC-6: 1 AN/PRC-8: 1 , 2 AN/PRC-39:1 AN/PRC-40: 1 AN/PRC-41:l AN/PRC-47:l AN/PRC-96: 1 ANISAT-2: 1 AN/SGC-1: 1 t h r u 6 AN/SRA-3 :1 AN/SRA-9: 1 AN/SRA-12:l AN/SRA-13 t h r u 16:l AN/SRA-18:l AN/SRA-20: 1 ANISRA-22:l t h r u 8 AN/SRA-23(XN-1) :1 AN/SRA-33 : 1 AN/SRA-34(V) :1 AN/SRA-51: 1 AN/SRA-56,-57,-58:l AN/SRA-60:l AN/SRC-10: 1 AN/SRC-1 OY t h r u 15Y :1 AN/SRC-11:l AN/SRC- 12: 1 AN/SRC-13: 1 AN/SRC-14:l AN/SRC-15: 1 AN/SRC-16:1, 2 AN/SRC-20: 1 t h r u 14 Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original COMMUNICATIONS NAVSEA 0967-LP-000-0010 EFFECTIVE PAGES LIST OF EFFECTIVE PAGES (Continued) Page Number AN/SRC-21: 1 , 2 AN/SRC-~(v) :1 AN/SRC-23:l AN/SRC-31:l AN/SRC-40:l AN/SRD-7:l AN/SRN-6: 1 , 2 AN/SRN-9:l AN/SRN-12: 1 thru 8 AN/SRN-15: 1 thru 5 AN/SRN-17:l AN/SRR-1:l AN/SRR-4:1 AN/SRR-11:1, 2 AN/SRR-12: 1 AN/SRR-13:l AN/SRR- 19: 1 AN/SRT :1 AN/SRT-14: 1 thru 4 AN/SRT-15: 1 AN/SRT-16: 1 AN/SSQ-29(U) :1 , 2 AN/SSQ-65:l AN/SSR-1 :1 , 2 AN/SSW-1C:l ANISYA-1 (V): 1 thru 5 AN/SYA-4(V) :1 thru 4 AN/SYQ-6(V) :1 , 2 AN/TGC-1:l AN/TSA-11:l AN/TXC-1:1, 2 AN/UCC-1:l thru 18 AN/UGC-13:l AN/UGC-15: 1 AN/UGC- 16: 1 AN/UGC-18:1 AN/UGC-20: 1 , 2 AN/UGC-25:l AN/UGC-41:l AN/UGH-1:l AN/UNQ-7:l AN/UPN-12:1, 2 AN/UPN-15: 1 ANIURA-8: 1 thru 5 AN/URA-17 ( ) :1 AN/URA- 27 :1 AN/URA-38: 1 , 2 AN/URC-9: 1 thru 5 AN/URC-16: 1 AN/URC-17:1 AN/URC-18:l AN/URC-32:1 thru 20 AN/URC-35: 1 , 2 AN/URC-58(V) : 1 thru 3 AN/URC-72:l AN/URC-85:l ANIURD-4: 1 thru 4 ANIURN-3:l thru 7 AN/URN-20: 1 thru 6 ORIGINAL Change In Effect Page Number AN/URQ-9: 1 thru 6 AN/URQ- 10:1 AN/URR- 13 :1 , 2 AN/URR-21: 1 AN/URR-35: 1, 2 AN/URT-2: 1 , 2 AN/URT-3 :1 AN/URT-7 :1 AN/URT-18: 1 AN/URT-19: 1 AN/URT-23: 1 thru 6 AN/URT-24:l AN/URT-30:l AN/USC-2: 1, 2 AN/USH:26(V) :1 AN/USQ-20(V) :1, 2 AN/USQ-69(V) :1 AN/UXH-2:l thru 4 ANIUYA-1 (v) :I AN/UYA-4: 1 thru 6 AN/UYK-20:1 AN/VRC-2: 1 AN/VRC-16: 1 AN/VRC-46: 1, 2 AN/VRC-51: 1 AN/VRC-52: 1 AN/VRC-58: 1 AN/VRC-60: 1 AN/VRC-77 : 1 , 2 AN/WRA-1 :1 AN/WRC-1 : 1 thru 13 AN/WRN-5:l AN/WRR-2: 1, 2 AN/WRR-3:l ANIWRR-7:l AN/WRT-1 :1 thru 6 AN/WRT-2: 1 thru 9 AN/WSC-3: 1, 2 AS-390/SRC: 1 AS-668/SR: 1 AS-714/SRD-7:l AS-768/GR:1 AS- 1554/BRR: 1 AS-2187jFRC: 1 AS-2410/WSC-1 (V) :1 AS-253712537A: 1 AS-2822/SRN-15: 1 AS-3018/WSC-1 (V) :1 AS-3073/8RA-8:l AS-4036/SRN-15A: 1 AT-317/BRR:l, 2 BA-403/U: 1 BB-451/U: 1 BC-639: 1 C-1004A/SG: 1 C-2698/SRA-22: 1 , 2 C-3866/SRC: 1 C-8086/U: 1 CP-642/USQ-2O(V) :1, 2 Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original IV Change In Effect Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original COMMUNICATIONS NAVSEA 0967-LP-000-0010 EFFECTIVE PAGES LIST OF EFFECTIVE PAGES (Continued) Page Number CP-771/UYK-3: 1 CP-789/UYK: 1 CP-967/UYK: 1 CU-168/FRR:l CU-332A/UR: 1 CU-714/SRA-22: 1 CU-737/URC: 1 CU-937/UR: 1 CU-938/URA-38: 1 CU-1280/FDR-10:l CU- 1382A/FRR :1 CU-1457/URC-58(V) :1 CV- 157/URR: 1 cv-172/U:1, 2 CV-591/URR: 1 CV-763/URR:1 CV-1123/USQ-2O(V) :1 CV-1758/URR:l cv-1920(P)/UCC-1: 1 CV-198OA/USQ-2O(V) :1 CV-2036/USQ-2O(V) :1 , 2 CV-2953/2953A/UYK: 1 CX-1846/U:1 CY-4516( )/S: 1 DBM: 1 EM L0G:l t h r u 3 H-169/U:1, 2 H-200/U :1 KIR/KIT- lA/TSEC: 1 KWM- 2A :1 KWS-1: 1 KWT-6(8) :1 KY-43/URT: 1 LC-3:l t h r u 3 LM: 1 LS-346/SIC:1 LS-366/SIC:l LS-385/SIC:l LS-386/SIC:l LS-458/SIC: 1 M- 58/U :1 MAM: 1 MAN:l, 2 MAR:] t h r u 4 . MAY-1 :1 MBF:l t h r u 3 MK 3 S1NS:l MK 6 (DRT) :1 MK 9 MOD 0/2:1, 2 MK 9 MOD 4 DRAI:l, 2 MK 19 GYR0:l MK 23 MOD C-3 GYRO:] MK 27 GYR0:l MK 260/U: 1 MK NC-2 MOD( ):1 t h r u 3 MN: 1 MO-l/MAK: 1 MOD-28:l t h r u 5 MP-48: 1 MSR-5: 1 ORIGINAL Change I n Effect Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Page Number MT-2751/SYA-4:l MT-3193/SYA-4:l MT-3574/USQ-20(V) :1 MU-591/UYK-3(V) :1, 2 MX-1627/URN-3 :1 MX- 1743/SRC : 1 MK- 1986A/SRC :1 MX-2229/GRA-34:l NT-11UF/12UF:1 NT-23211: 1 NT-23496: 1 , 2 NT-23497:l NT-49131: 1 t h r u 5 NT-49545:l NT-49620: 1, 2 NT-51007A: 1 NT-66046 & 66047 :1, 2 NT-66089:l NT-66095:l 0-140B/FRT:l 0-1612/URC: 1 0-1 622/ARC :1 0-1695/U: 1 OA-133/FRN-12:1, 2 OA-1801/SRN-6:1 OA-3953/SYA-4(V) : 1 OA-3955/SYA-4(V) :1 OA-7203/URN-20(V) :1 OA-7781/USQ-20(V): 1 OA-79OO/GMQ-10: 1 OA-7979(V)/UYA-4:l t h r u 3 OA-7984(V)/UYK: 1 OA-8364/URC-58 (V) :1 OBQ-1 :1 OE-82C/WSC-1 (V) :1 OE- 158/BRO :1 0 ~ - 1 6 6 ' & 1 6 ? / ~ ~ ~:-14 ( ~ ) OJ-194(V)/UYA-4(V) :1 OJ-197/UYA-4(V) :1 OJ-287/UYK:l OU-83/UYK: 1, 2 PP-2222/WRT:l PP-3495A/UG:l, 2 PSP-2:l PU-390/G: 1 t h r u 3 R-278B/GRC-27A:l R-390A/URR: 1 t h r u 8 R-1051/URR: 1 t h r u 6 RAK: 1, 2 RAL: 1 RAO: 1 RBA:l, 2 RBG: 1 RBH:l, 2 RBK: 1 RBL: 1 RBM: 1 RBO:l, 2 RBS: 1 RCH: I Change I n Effect Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original COMMUNICATIONS NAVSEA 0967-LP-000-0010 EFFECTIVE PAGES LIST OF EFFECTIVE PAGES (Continued) Page Number RCK:1 t h r u 3 RCU:1 RD-92( )/U:l RD-217/UNH: 1 RD-219/U: 1 RD-231/USQ-20(V) : 1 RD-243lUSO-20(V 1 :1 t h r u 3 RD- 2 6 9 1 :~i RD-270(V)/UYK:l, 2 RD-293/UYK-5(V) :1, 2 RD-294(V)/UYK: 1 RDZ:1 t h r u 3 RL- 216/UG :1 RO- 280/UYK: 1 RO-313/G:1 RO-314/G: 1 , 2 RO-415/GMH-6(V) :1 RT-581/URC-9: 1 RT-618( )/URC:l SA-484/GGA- 1 :1 SB-83/SRT:1 SB-315/U: 1 SB-346/S:1 SB-2622/USQ-20(V) :1 SB- 2624/USQ-2O(V) :1 SB-3189/FGC: 1 SCR-300: 1 SCR-608: 1 SCR-610: 1 SCR-624: 1 SG-354/U: 1 SSB-1: 1 T-347( )/SRT: 1 T-616/SRT:1 T-827( )/URT: 1 TA-142:1, 2 TA-790/U: 1 TAB-5: 1 TAB-6: 1 TAB-7: 1 TAJ:l, 2 TAQ:1 TBA: 1 TBK:l t h r u 9 TBL:l t h r u 7 TBM: 1 t h r u 3 TBS:1 t h r u 9 TBX:l, 2 TCK:l t h r u 4 TCO: 1 TCP: 1 TCS:l t h r u 7 TCZ:l, 2 TDE:l t h r u 10 TDQ:1 t h r u 4 TDZ:1 t h r u 9 TED:] t h r u 7 TH-39( )/UGT:l t h r u 3 ORIGINAL Change I n Effect Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Page Number Change I n Effect TK-188/UG:l TN-229/SRT: 1 TN-342/WRT-2:1, 2 TN-345/WRT-1:l TS-890( )/URN-3 :1 TS-1780/SYA-4(V) :1 TSEC/KW-7 :1 TSEC/KW-26: 1 TSEC/KW-37 :1 TSECIKWT-26:1, 2 TT-23/SG :1 TT-41B/TXC-1B:l TT-47/UG: 1 t h r u 16 TT-48/UG:1 TT-176/UG: 1 TT- 298 :1 TT-299 :1 TT-321A/UX: 1 TT-331/UG:1 TU-316/N: 1 UNIVAC 1840:1, 2 USN/USL: 1 t h r u 4 1 MC:I Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Original Section 5 Tab Separator 5- 1 VI - Reference Data Change 9 Original COMMUNICATIONS NAVSEA 0967-LP-000-0010 CONTENTS TABLE OF CONTENTS SECTION 1 . GENERAL % Paragraph 1-1 Introduction . . . . . . . . . . . a . Purpose b Scope . . . . . . . . . . . . c Troubleshooting . . . . . . . d . Safety . . . . . . . . . . . . Recommended A d d i t i o n a l Reading e . . . 1-2 1-3 1-4 . . . . . 1.1 . . . . .1-1 . . . . .1.1 . . . . .1.1 d . . . . . . . . . . . . . . . .1.1 . . . . . 1.1 e T y p e s o f Emission . . . . . . . . . . . . . 1.1 a . A m p l i t u d e M o d u l a t i o n . . . . . . . . . . 1.1 ( 1 ) Understanding Amplitude Modulat i o n . . . . . . . . . . . . . . . 1.3 ( 2 ) E f f e c t o f Two S i g n a l s . . . . . . . 1.4 ( 3 ) Complex M o d u l a t i o n . . . . . . . .1.5 ( 4 ) C a r r i e r s and Sidebands . . . . . . 1.5 ( 5 ) S i n g l e Sideband Transmissions and R e c e p t i o n . . . . . . . . . . . 1.5 b . Frequency M o d u l a t i o n . . . . . . . . . .1.6 1-7 . . 1-8 . . . e. b c. d . g. h. i. UHF a b c. d. e . . Communication Systems . . . . . . . Receiver S e n s i t i v i t y . . . . . . . . Transmission L i n e Tests . . . . . . T r a n s m i t t e r Tuning and Power Check . System T e s t i n g . . . . . . . . . . . Frequency Compatibi 1 it y Between UHF Equipments . . . . . . . . . . . . f . . 1-13 j . . 1-15 . . 1.15 . . . 1-16 1-9 . . . T r a n s m i t t i n g Equipment . . . . . . . . . . . 1-26 a . M a l f u n c t i o n I n d i c a t i o n . . . . . . . . . 1-26 b . P r e l i m i n a r y T r o u b l e s h o o t i n g Procedure .. 1-27 c T r a n s m i t t e r s . . . . . . . . . . . . . . 1-28 ( 1 ) RF O s c i l l a t o r o r Frequency Source M a l f u n c t i o n s . . . . . . . . . . . 1-29 ( 2 ) RF O u t p u t i s U n s a t i s f a c t o r y on Only One Band o r Channel . . . . . . 1-29 ( 3 ) RF O u t p u t i s Absent From F r e quency Source . . . . . . . . . . . 1-29 ( 4 ) Output o f Frequency Source i s Too Low i n A m p l i t u d e . . . . . . . 1-30 ( 5 ) Output o f Frequency Source i s O f f Frequency . . . . . . . . . . . 1-30 ( 6 ) Frequency E r r o r s O r i q i n a t i n q i n ~requenc; s y n t h e s i z e r . . . . . . . . 1-31 ( 7 ) Frequency C o n t r o l C i r c u i t Malf u n c t i o n s . . . . . . . . . . . . . 1-32 1-10 . 1-11 . 1-35 . . . . . vii 1-37 1-37 1-38 1-42 1-42 1-42 1-43 . . . . Receiver Alignment Adjustments Receiver M a l f u n c t i o n I n d i c a t i o n . P r e l i m i n a r y Receiver T r o u b l e s h o o t i n g Procedure . . . . . . . . . . . . . Receiver I n o p e r a t i v e . . . . . . . . Single-Band o r Single-Channel Malfunctions . . . . . . . . . . . . . . F r o n t End and I F M a l f u n c t i o n s . . . AGC and D e t e c t o r M a l f u n c t i o n s . . . . Audio M a l f u n c t i o n s . . . . . . . . . Synchronous Comnunication Receivers ( 1 ) P r i n c i p l e s o f Single-Sideband Reception . . . . . . . . . . . ( 2 ) Alignment Adjustments on S i n g l e Sideband Receivers . . . . . . . ( 3 ) Single-Sideband Receiver Troubleshooting . . . . . . . . . Remote C o n t r o l U n i t s . . . . . . . . . . . a . Preliminary Malfunction V e r t i f i c a t i o n b . I n d i c a t o r and C o n t r o l T r o u b l e shooting . . . . . . . . . . . . . . . c Handset T r a n s m i t t e r (Microphone) Troubleshooting . . . . . . . . . . . . d . Handset Receiver (Earphone) T r o u b l e shooting . . . . . . . . . . . . . . . e . T r o u b l e s h o o t i n g t h e O u t p u t t o Loudspeaker A m p l i f i e r . . . . . . . . . . . f . Transmit-Receive Panels and Remote Control U n i t s . . . . . . . . . . . . . g . Audio L e v e l C o n t r o l a t RPU's . . . . . . Terminal Equipment . . . . . . . . a . T e l e t y p e and F a c s i m i l e Keyers . b . T e l e t y p e Converters . . . . . . c . Facsimile Transceiver Troubleshooting . . . . . . . . . . . d . T e l e t y p e Panel . . . . . . . . . . . . . Antennas and Antenna Systems . . . . a . What Does Antenna C u r r e n t Mean? . b R e c e i v i n g Antennas Aboard S h i p . c . Whip Antenna Maintenance . . . . . 1-12 1-33 . 1-33 . 1-33 . . ORIGINAL . . . 1-16 . . 1-17 T e l e t y p e Equipment . . . . . . . . . . . . . 1-17 a . The RATT Problem . . . . . . . . . . . . 1..17 b Tuning i n a S i n g l e Channel RFCS RATT S i g n a l . . . . . . . . . . . . . . 1-18 c . AFCS RATT Nets . . . . . . . . . . . . . 1-20 d ORESTES N e t . . . . . . . . . . . . . . 1-21 e . M u l t i - C h a n n e l Terminal Equipment . . . . 1-22 f . Ship/Shore M u l t i p l e x T e r m i n a t i o n s . . . . 1-22 g Tones and VFTG C i r c u i t s . . . . . . . . . 1-23 h Tuning MUX ( M u l t i - C h a n n e l ) C i r c u i t s . . . 1-24 i. UHF/HF Relay . . . . . . . . . . . . . . 1-25 Single-Sideband T r a n s m i t t e r s . . . . ( 1 ) Theory o f Single-Sideband Transmission . . . . . . . . . . Single-Sideband Adjustments . . Single-Sideband T r o u b l e s h o o t i n g Procedure . . . . . . . . . . . Modulators . . . . . . . . . . . . . ( 1 ) Methods o f A m p l i t u d e M o d u l a t i o n ( 2 ) Monitoring Amplitude Modulation ( 3 ) Modulator Adjustments . . . . . ( 4 ) Modulator T r o u b l e s h o o t i n g . . . L i n e a r RF A m p l i f i e r s . . . . . . . . ( 1 ) Peak Envelope Power . . . . . . . . Power S u p p l i e s . . . . . . . . . . . . . . 1-44 a . P r e l i m i n a r y Power Supply Troubles h o o t i n g Procedure . . . . . . . . . . 1-45 b . Power Supply T r o u b l e s h o o t i n g Procedure . . . . . . . . . . . . . . . 1-45 c . Regulated Power Supply T r o u b l e s h o o t i n g Procedure . . . . . . . . . . 1-45 Receivers . . . . . . . . . . . . . . . . a . Receiver Ccinponents . . . . . . . . . . 1-6 . . f The Importance o f Frequency Accuracy . . . . 1.9 a E f f e c t o f Frequency E r r o r s on Voice C i r c u i t s . . . . . . . . . . . . . . . . 1.9 b E f f e c t o f Frequency E r r o r s on FSK T e l e t y p e C i r c u i t s . . . . . . . . . . . 1.9 c . E f f e c t o f Frequency E r r o r s on NonSynchronous C i r c u i t s . . . . . . . . . . 1.9 d D e t e r m i n a t i o n o f C o r r e c t Frequency . . . 1.10 e . E f f e c t s o f Alignment and Adjustment E r r o r s . . . . . . . . . . . . . . . . . 1.10 f . Frequency S y n t h e s i z e r s and S t a b i l i z e d O s c i l l a t o r s . . . . . . . . . . . . . . 1.10 g . AN/URQ-9 and AN/URQ- 10 Frequency Standards . . . . . . . . . . . . . . . 1-1 1 Frequency Standard Systems . . . . . . . 1.13 h . 1-5 Paragraph N a v i q a t i o n a l Aids . . . . . . . . . . a Radio D i r e c t i o n - F i n d e r Equipment b . Theory o f Radio D i r e c t i o n - F i n d e r Antennas . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-62 1-62 1-62 1-64 1-64 1-65 1-66 1-66 1-67 1-67 1-69 1-71 1-73 . . . 1-74 1-74 1-76 1-77 . . . . . . 1-77 1-77 . . 1-78 . . . . . . . . . COMMUNICATIONS NAVSEA 0967-LP-000-0010 TABLE OF CONTENTS (Continued) Paragraph (1) (2) (3) c. d. 1-13 . ......... The Response o f a Loop Antenna. Troubleshooting A Rough Guide t o C i r c u i t Locat i o n o f Faults. . . . . . . . . . General Maintenance o f Radio D i r e c t i o n F i n d e r Equipments . . . . . . . . Scheduled I n s p e c t i o n s o f Radio D i r e c t i o n F i n d e r Equipments . . . . . . . . ( 1 ) T r a n s m i t t e r Power Measurements. . ( 2 ) Receiver S e n s i t i v i t y T e s t s f o r N a v i g a t i o n a l Equipments . . . . . (3) Procedure f o r D e t e r m i n i n g Receiver S e l e c t i v i t y . . . . . . . 1-78 1-78 1-78 1-80 1-81 1-82 1-84 1-84 Supplementary Data . . . . . . . . . . . . a. Buoyant Cable Antennas--Preparation o f Spares. . . . . . . . . . . . . . . b . Wire Rope Antennas--Increased L i f e Using Improved M a t e r i a l s . . . . . . . c. Wire Rope Antennas--Cleaning and P r e s e r v a t i o n ; Cleaning P r e c a u t i o n s . d. Magnesyn Compass T r a n s m i t t e r s i n Submarine--Adjustment o f . . . . . . . e. Dumny P l u g f o r T e l e t y p e Panel. . . . . f. I F F Antennas OC R e s i s t a n c e - - 1 n f o r m a t i o n Concerning . . . . . . . . . . g. Degaussing R e c t i f i e r - - P o w e r Supply Maintenance . . . . . . . . . . . . . h. Unauthorized Topside A l t e r a t i o n s . . . i. Broad-Band I n t e r f e r e n c e G e n e r a t i o n i n S h i p ' s Topside S t r u c t u r e s . . . . . j. NTOS Computers, Data D i s p l a y s , P e r i p h e r a l and Communications Systems C o o l i n g Water Temperatures--1nformat i o n Concerning. . . . . . . . . . . . k . Loudspeaker T e s t i n g i n Shipboard Announcing Systems . . . . . . . . . . 1. T e l e t y p e w r i t e r Equipment--MaintenanceHint . . . . . . . . . . . . . . . m. Weatherproofing and C o r r o s i o n Prev e n t i o n o f Topside Hardware-A d d i t i o n a l D e t a i l s t o EIB 854 . . . . n. Cable T e r m i n a t i n g A i d f o r T e r m i n a t i n g B l o c k f o r IDF/MDF. . . . . . . . . . . o. HF Communications Antennas, Trussed Monopoles. . . . . . . . . . . . . . . p. D e f e c t i v e Rotron M u f f i n Fans i n T e l e t y p e Equipment--Maintenance H i n t . q. MARS O p e r a t i o n s A f l o a t - - A u t h o r i z a t i o n and A p p l i c a t i o n I n f o r m a t i o n . . . r. Frequency Meter Replacement on IC Switchboard i n N a v i g a t i o n Center-Availability of . . . . . . . . . . . s . I n s t a l l a t i o n o f S e l e c t o r Magnet Driver . . . . . . . . . . . . . . . . t. S i l v e r P l a t e d Components Used i n H i g h Power T r a n s m i t t e r s - - R e p a i r o f . u. Low Level T e l e t y p e Equipment-General I n f o r m a t i o n . . . . . . . . . v. T e l e t y p e w r i t e r C l u t c h Shoe Lever C l e a r a n c e - - I n f o r m a t i o n Concerning . w. I n f o r m a t i o n on Bonding t o Meet TEMPEST-Related I n s t a l l a t i o n Criteria . . . . . . . . . . . . . . . . . . ORIGINAL viii CONTENTS . CONTENTS NAVSEA 0967-LP-000-0010 COMMUNICATIONS TABLE OF CONTENTS (Continued) 1 Paragraph C l a s s i f i c a t i o n o f F i e l d Change SECTION 2 .CIRCUIT APPLICATIONS . . . . . . Antenna Overload C i r c u i t . . . P r e s e l e c t o r .M i x e r C i r c u i t . I F A m p l i f i e r and D e t e c t o r . . Comparator Type AFC C i r c u i t . . . . . . Purpose and Scope . . . . . . . . . . . . . . . . . 2-1 . . 2-1 . . 2-1 . . 2-3 . . 2-4 Phase D i s c r i m i n a t o r Type o f AFC C i r c u i t . . 2-5 Automatic G a i n C o n t r o l . . . . . . . . . . 2-6 Phase-Shift Detection . . . . . . . . . . 2-7 . . . . . . . . 2-8 Space D i v e r s i t y R e c e p t i o n D i v e r s i t y Noise Sampling C i r c u i t . . . . . . . . . . . . . S t a b i l i z e d Master O s c i l l a t o r . . . . Reference Frequency Standard . . . . Variable-Frequency O s c i l l a t o r . . . Frequency S y n t h e s i z e r Crystal-Controlled Transmitter Oscillator Circuit . . . . . . . . . . . . . . : II 1 2-10 . 2-11 . 2-12 . 2-13 . 2-14 2-14 . . 2-15 . . . . . . . . . . . . . . 2-17 Audio M o d u l a t o r - D r i v e r C i r c u i t . . . . . . 2-17 2-19 SSB D r i v e r - T r a n s m i t t e r C i r c u i t . . . . . . 2-18 2-20 C a r r i e r Frequency S h i f t T e l e t y p e C i r c u i t . 2-19 2-21 Audio-Frequency Tone S h i f t T e l e t y p e Circuit . . . . . . . . . . . . . . . . . . 2-20 2-22 FM M o d u l a t o r C i r c u i t . . . . . . . . . . . 2-21 2-23 A u t o m a t i c L e v e l C o n t r o l (Peak Power) 2-22 2-24 Automatic L e v e l C o n t r o l (Average . . . Power) . . 2-23 I . . . . . . . . 2-24 . . . . . . . . . . . . . . 2-24 2-25 Voice-Controlled Operation 2-26 Keying C i r c u i t 2-27 Speech Compression and C l i p p i n g Techniques . . . . . . . . . . . . . . . 2-28 T r a n s m i t t e r Power Supply SECTIOii 3 . FIELD 2-26 . . . . . . . . . 2-27 CHANGE IDENTIFICATION GUIDE 3-i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-i Documentation 3-3 Objective 3-4 Definit'ons ORIGINAL . . . . . . . . . . . . . . . . . 3-2 . . . . . . I n s t r u c t i o n s Regarding Accomplishment . 3-ii Use o f t h e Guide 3-ii Abbreviations Corrections . FCIG . . . . . . . . . . . . . . . 3-ii . . . . . . . . . . . . . . 3-iii . . . . . . . . . . . . . . . 3-iii . . . . . . . . . . . . . . . . . . . 3-1 SECTION 4 . SERVICE NOTES . . . . . . . . . . . . Frequency M u l t i p l i e r - C o n v e r t e r C i r c u i t RF Generator Paragraph 3-i . . . . . . . . . . . . . . . 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Introduction Purpose . Documentation General S e r v i c e Notes SECTION 5 . (To be S u p p l i e d ) . . . . . . . . . 4-1 .A D.2. REFERENCE DATA . . . . . . . . . . . . . 5-1 1 COMMUNICATIONS ILLUSTRATIONS NAVSEA 0967-LP-000-0010 LIST OF ILLUSTRATIONS Figure Page SECTION 1 - GENERAL 1-1 RF Waveforms 1-3 1-2 A R e p r e s e n t a t i o n o f a S i n g l e Radio Frequency 1-4 1-3 Two Radio S i g n a l s 1-4 1-4 A R e p r e s e n t a t i o n o f Two Weak Radio Signals 1-4 1-5 A R e p r e s e n t a t i o n o f F i v e Radio S i g n a l s 1-5 1-6 F1 Waveform ( Frequency-Shi f t Keyed) 1-7 1-7 F2 Waveform (Frequency-Modulated by a S i n g l e Audio Frequency) Figure Page 1-31 C u r r e n t s Induced i n a Loop Antenna 1-78 1-32 I n d u c t i o n o f A1 t e r n a t i n g V o l t a g e i n a Loop Antenna Showing 90-Degree Phase D i f f e r e n c e w i t h t h e I n c i d e n t Wave. 1-79 1-33 T y p i c a l I n d i c a t o r P a t t e r n s Due t o Poor Brush and S l i p - r i n g C o n t a c t 1-82 The Necessary Equipment f o r S e r v i c i n g S l i p Rings and Brushes 1-83 1-34 SECTION 2 - CIRCUIT APPLICATIONS T y p i c a l Antenna Overload C i r c u i t 2-2 1-8 Preamp1 i f i e r - M i x e r C i r c u i t 2-2 Frequency Standard D i s t r i b u t i o n Diagram, T y p i c a l Shipboard I n s t a l l a t i o n 1-14 Dual Conversion I F A m p l i f i e r and Detector C i r c u i t 2-3 S e l e c t i o n o f P r o p e r C a r r i e r Frequency (VFTG) , , Comparator Type AFC Arrangement 2-4 1-23 Phase D i s c r i m i n a t o r AFC Arrangement 2-6 Frequency Accuracy o f T r a n s m i t t e r s (VFTG T e r m i n a t i o n s ) 1-23 Automatic Volume C o n t r o l Arrangement 2-7 1-11 Simple T r a n s m i t t e r , B l o c k Diagram 1-26 Phase S h i f t D e t e c t i o n C i r c u i t 2-8 1-12 CW and Phone T r a n s m i t t e r B l o c k Diagram 1-27 Space D i v e r s i t y R e c e i v e r C i r c u i t 2-9 1-1 3 Single-Sideband T r a n s m i t t e r B l o c k Diagram 1-34 D i v e r s i t y Noise Sampling C i r c u i t 2-10 1-14 Balanced M o d u l a t o r C i r c u i t r y 1-35 Frequency S y n t h e s i z e r C i r c u i t 2-1 1 1-1 5 T y p i c a l M o d u l a t o r B l o c k Diagram 1-38 S t a b i l i z e d Master O s c i l l a t o r Diagram 2-1 2 1-16 O s c i l l o s c o p e Connections F o r M o n i t o r i n g Modulation 1-39 M o d u l a t i o n P a t t e r n s O b t a i n e d on an Osci 1 l o s c o p e 1-8 1-9 1-10 Reference Frequency Standard C i r c u i t 2-14 Variable-Frequency O s c i l l a t o r C i r c u i t 2-14 1-40 Crystal-Control l e d Transmitting O s c i l l a t o r Arrdrlgement 2-1 5 C a l c u l a t i n g Average Power and Peak Envelope Power f o r Two-Tone M o d u l a t i o n 1-44 Frequency M u l t i p l i e r - C o n v e r t e r Arrangement 2-16 1-19 Simple Receiver B l o c k Diagram 1-47 RF Generator Arrangement 2-1 7 1-20 Simple Superheterodyne R e c e i v e r B l o c k Diagram Audio M o d u l a t o r - D r i v e r C i r c u i t 2-18 1-48 SSB D r i v e r - T r a n s m i t t e r C i r c u i t Arrangement 2-18 Heterodyne A c t i o n i n Superheterodyne Receiver 1-49 C a r r i e r Frequency S h i f t T e l e t y p e A r r a n g e ment 2-20 1-22 S i g n a l Generator w i t h 1 0 - H e r t z Accuracy 1-50 1-23 R e c e i v e r Dummy Antenna, Schematic Diagram Audio-Frequency Tone S h i f t T e l e t y p e Arrangement 2-21 1-53 1-24 Single-Sideband R e c e i v e r , B l o c k Diagram 1-59 1-25 SSB R e c e i v e r F r o n t End U s i n g Frequency S y n t h e s i z e r as Frequency Reference 1-60 Average Power ALC C i r c u i t 1-26 W i r i n g Diagram o f T y p i c a l RPU, C-1138/UR 1-63 V o i c e - C o n t r o l l e d O p e r a t i o n Arrangement 2-25 1-27 An Antenna System 1-74 Keying C i r c u i t 2-26 1-28 A S t a n d i n g Wave o f C u r r e n t 1-74 T y p i c a l Speech Compressor and C l i p p e r 2-28 1-29 A Half-Wave a t Two Megahertz 1-74 T r a n s m i t t e r Power Supply Arrangement 2-28 1-30 Ammeter Readings f o r V a r i o u s Combinat i o n s o f Antennas and Frequencies 1-75 1-17 1-18 1-21 ORIGINAL FM M o d u l a t o r C i r c u i t Peak Power ALC C i r c u i t COMMUNICATIONS NAVSEA 0967-LP-000-0010 LIST OF TABLES Table Number Page Number Section 1 - General ........ 1-2 1-1 Types of Radio Emissions 1-2 C h a r a c t e r i s t i c s o f Frequency S t a n d a r d s and A s s o c i a t e d D i s t r i b u t i o n A m p l i f i e r ........ 1-12 Round-Trip Antenna Measurements Taken a t F i f t h Naval D i s t r i c t H e a d q u a r t e r s .................. 1-16 1-3 ...... ......... 1-4 Examples of RATTEmissions 1-19 1-5 T y p i c a l SSB Adjustments 1-33 1-6 Power S u p p l y Q u i c k Checkout T r o u b l e s h o o t i n g Procedures .... 1-45 U n r e g u l a t e d Power Supply T r o u b l e s h o o t i n g Procedures .... 1-46 1-7 ORIGINAL TABLES COMMUNICATIONS NAVSEA 0967 -LP-000-0010 ?@€FAC€ I POLICY AND PURPOSE ORGANIZATION The E l e c t r o n i c s I n s t a l l a t i o n and Maintenance Book IEIMB) was established as the medium f o r c o l l e c t i n g , ' publishing, and d i s t r i b u t i n g , i n one convenient source document, those subordinate maintenance and r e p a i r p o l i c i e s , i n s t a l l a t i o n p r a c t i c e s , and o v e r a l l e l e c t r o n i c equipment and m a t e r i a l - hand1ing proceduraes r e q u i r e d t o implement the major p o l i c i e s s e t f o r t h i n Chapter 400 o f the Naval Ships' Technical Manual. A l l data contained w i t h i n t h e EIMB d e r i v e t h e i r a u t h o r i t y from Chapter 400 o f the Naval Ships' Technical Manual, as established i n accordance w i t h A r t i c l e 1201, U.S. Navy Regulations. The EIMB i s organized i n t o a s e r i e s o f handbooks t o a f f o r d ~xiIn4Jmf l e x i b i l i t y and ease i n handling. The handbooks a r e stocked and issued as separate items so t h a t i n d i v i d u a l handbooks may be obtained as needed. Since i t s i n c e p t i o n the EIMB has been expanded t o i n c l u d e selected i n f o r m a t i o n of general i n t e r e s t t o e l e c t r o n i c i n s t a l l a t i o n and maintenance personnel. These items are such as would g e n e r a l l y be contained i n t e x t books, p e r i o d i c a l s , o r technical papers, and form (along w i t h the i n f o r m a t i o n c i t e d above) a comprehensive reference document. I n appl ic a t i o n , t h e EIMB i s t o be used f o r i n f o r m a t i o n and guidance by a l l m i l i t a r y and c i v i l i a n personnel involved i n the i n s t a l l a t i o n , maintenance, and r e p a i r o f e l e c t r o n i c equipment under cognizance, o r t e c h n i c a l c o n t r o l , o f the Naval Sea S y s t a n ~Comnand (NAYSEA). The information, i n s t r u c t i o n s , and procedures, i n t h e EIMB supplement i n s t r u c t i o n s and data supplied i n equipment t e c h n i c a l manuals and o t h e r approved maintenance pub1i c a t i o n s . The handbooks f a l l w i t h i n two categories: general i n f o r m a t i o n handbooks, and equipmento r i e n t e d handbooks. The general i n f o r m a t i o n handbooks c o n t a i n data which are o f i n t e r e s t t o a l l personnel involved i n i n s t a l l a t i o n and mai ntenance, regardless o f t h e i r equi w e n t s p e c i a l t y . The t i t l e s o f the v a r i o u s general information handbooks g i v e an o v e r a l l idea o f t h e i r data content; the General Handbook includes more complete d e s c r i p t i o n s o f each handbook. The equipment handbooks a r e devoted t o i n f o r m a t i o n about p a r t i c u l a r classes o f equipment. They include general t e s t procedures, adjustments , general s e r v i c i n g i n f o r m a t i o n , and f i e l d change i d e n t i f i c a t i o n data. All handbooks of t h e s e r i e s a r e l i s t e d below w i t h t h e i r STOCK numbers . HANDBOOK TITLE P e r i o d i c r e v i s i o n s are made t o provide t h e b e s t c u r r e n t data i n the EIMB and keep abreast o f new developments. I n doing t h i s , many source documents are researched t o o b t a i n p e r t i n e n t information. Some o f these sources i n c l u d e the E l e c t r o n i c s I n f o r m a t i o n B u l l e t i n (EIB) , the NAVSEA Journal, e l e c t r o n i c s and o t h e r textbooks, i n d u s t r y magazines and p e r i o d i c a l s , and various m i l i t a r y i n s t a l l a t i o n and maintenance-related p u b l i c a t i o n s . I n c e r t a i n cases. NAVSEA ~ u bi cl a t i o n s have been incorpor a t e d ' i n t o the'EIMB i n t h e i r e n t i r e t y and,'as a r e s u l t , have been cancelled. A l i s t o f the documents which have been superseded by the EIMB and are no longer a v a i l a b l e i s given i n Section 1 o f the General Handbook. 0967-LP-000-0100 0967-LP-000-0110 Electronic Circuits 0967-LP-000-0120 Test Methods & Practices 0967-LP-000-0130 Reference Data EM1 Reduction 0967-LP-000-0140 0967-LP-000-0150 General Maintenance 0967-LP-000-0160 EIMB Equipment-Oriented Handbooks Comnuni cations Radar 0967-LP-000-0010 Sonar Test Equi pment Radi ac II Countermeasures 1 ORIGINAL STOCK NUMBER EIMB General Information Handbooks General I n s t a l l a t i o n Standards INFORMATION SOURCES ! PREFACE xiii 0967-LP-000-0070 COMMUNICAT ION S NAVSEA 0967-LP-000-0010 PREFACE PIOLFFACE SUGGESTIONS / CORRECTIONS I n i t i a l Set: An "AF" R e s t r i c t i o n Code has been assigned t o NAVSEA 0967-LP-000-0000 t o control the over-requisitioning o f the EIMB Series. F l e e t and shore a c t i v i t i e s r e q u i r i n g an i n i t i a l s e t of the EIMB Series (13 handbooks w i t h a l l changes and heavy-duty binders) should submit t h e i r r e q u i s i t i o n (OD Form 1348 w i t h w r i t t e n j u s t i f i c a t i o n ) through t h e i r Supply O f f i c e r o r area, f o r issue approval t o : Commander Naval Sea Systems Command SEA 05L32 Washington, DC 20362 Use the f o l l o w i n g data on the 00-1348, - Block A 288 NAVPUBFORMCEN PHILA Stock NO. @967-LP-00@-@000 U n i t o f Issue SE Fund - 00 - - A l l other blocks are t o be f i l l e d i n as normally done by the r e q u i s i t i o n e r when orderi n g publications. Changes and Revisions: The EIMB i s continuously being updated. For e f f i c i e n c y these changes and revisions are automatically dist r l b u t e d t o using a c t i v i t i e s who are on the Automatic D i s t r i b u t i o n L i s t f o r the EIMB. Requests and/or changes t o the EIM8 Automatic D i s t r i b u t f o n L i s t and any problems i n r e q u i s i t i o n i n g should be directed to: Commander Naval Sea Systems Command SEA 05L32 Washington, DC 20362 I n d i v i d u a l Handbooks: To order i n d i v i d u a l handbooks and changes, use the stock numbers l i s t e d i n the Box Score on page ii. Using the stock number f o r the "BASIC" provides the handbook ( w i t h v i n y l cover) and a l l applicable changes. ORIGINAL NAVSEA recognizes t h a t users o f the EIMB w i l l have occasion t o o f f e r corrections o r suggestions. To encourage more a c t i v e p a r t i clpatlon, a pre-addressed comnent sheet i s provided i n the back o f each handbook change. Complete information should be given when preparing suggestions. Suggestors are encouraged t o include t h e i r names and addresses so t h a t c l a r i f y i n g correspondence can be i n i t i a t e d when necessary. Such correspondence w i l l be by l e t t e r d i r e c t l y t o the i n d i v i d u a l concerned. Ifa comnent sheet i s not available, o r i f correspondence i s lengthy, corrections o r suggestions should be directed t o the following: - Commander Naval Sea Systems Command SEA 05L32 Washington, DC 20362 ,.- *. .- NAVSEA 0967-LP-000-0010 COMMUNICATIONS RECORD OF CORRECTIONS M A D E CHANGE N O ORIGINAL DATE CHANGES MADE SIGNATURE b . . COMMUNICATIONS b * . . *- NAVSEA 0967-LP-000-0010 NOTES ORIGINAL . b . .-