Heathkit SB-104A Manual
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Heathkit SB-104A Manual

Heathkit SB-104A Manual

Single sideband transceiver
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HEATHKIT
MANUAL
for the
S I N G L E S I D E B A N D
T R A N S C E I V E R
M o d e l S B - 1 0 4 A
Assembly
595.1992.o�
HEATH
COMPANY
•
B E N T O N
HARBOR,
M I C H I G A N

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  • Page 1 All manuals and user guides at all-guides.com HEATHKIT MANUAL for the S I N G L E S I D E B A N D T R A N S C E I V E R M o d e l S B - 1 0 4 A Assembly 595.1992.o�...
  • Page 2 » Language, 982-3860 gee. � Consumer Protection Plan for Heathkit Consumer Products W elcom e t o H ea t h family W e beli ev e y ou wi ll en j oy a s sembli ng y ou...
  • Page 3 All manuals and user guides at all-guides.com H e a t h k i t ® M a n u a l for the S I N G L E S I D E B A N D T R A N S C E I V E R Model S B - 1 0 4 A Assembly 595-1992-06...
  • Page 4 All manuals and user guides at all-guides.com I E E E TABLE OF CONTENTS 1-73 1-76 1 - 5 1-76 1 - 7 1-83 1-86 1 - 1 1 1 - 9 1 1-95 1 - 1 8 1 - 1 9 1 - 1 0 5 1-22 1 - 1 1 0...
  • Page 5 All manuals and user guides at all-guides.com I N T R O D U C T I O N power. approximately 100 watts t o the antenna. However, can be instantly switched operation, which ca s e minimum watt delivered antenna.
  • Page 6 All manuals and user guides at all-guides.com Page 1-4 C E EESEE...
  • Page 7 All manuals and user guides at all-guides.com PARTS P A C K A G I N G PARTS PACK IEHAT'HKIT'...
  • Page 8 All manuals and user guides at all-guides.com Page 1-6 IESE...
  • Page 9 S-" "S" In some illustrations, connection and goes on t o another point, counts a s tw o In the sections a t the rear o f the Manual. wires.) HEATHKIT...
  • Page 10 All manuals and user guides at all-guides.com Page 1-8 IESE...
  • Page 11 C I R C U I T B O A R D A S S E M B L V 1/4" instructed, installed ­ Most circuit boards identified their part number. push silver for 1 0 % tolerance resistors. HEATHKIT...
  • Page 12 All manuals and user guides at all-guides.com Page 1 - 1 0 E I E E E...

  • Page 13: Extender Board

    All manuals and user guides at all-guides.com V A R I A B L E F R E Q U E N C Y O S C I L L A T O R (VFO) EXTENDER BOARD P A R T S L I S T step.
  • Page 14 All manuals and user guides at all-guides.com C E I E E H QTY. Resistors (cont'd.) CAPACITORS Mica Disc 5 1 0 N1500 .001 F � I .005 . 0 1 F Other Capacitors • INDUCTORS...
  • Page 15 All manuals and user guides at all-guides.com G EN I E DIODES-TRANSISTORS • J2 / four ways. listed. METAL PARTS €...
  • Page 16 All manuals and user guides at all-guides.com Page 1 - 1 4 0TY. HARDWARE # 4 Hardware #6 Hardware screw screw Other Hardware spacer / 6" spac 7/8" spacer Drive Attaching Hardware 6 3 2 x 1 " s c r e w # 6 flat 7/16"...
  • Page 17 All manuals and user guides at all-guides.com C .E I E E E aTY. MISCELLANEOUS Vernier drive Vernier drive (short shaft) _" (tube) � � <¢ PARTS FROM PACK #10 (parts In the shipping carton) 85-1205-7 85-1206-3 85-1465 13'-8 1/2" Small bare w i r e 340-2 Large bare w i r e...
  • Page 18 All manuals and user guides at all-guides.com Page EEESEE 0TY. Parts From Pack # 1 0 (cont'd.) t r 4 r t 4 4 t t t ' 4 ( 4 i ¥¢ for part number.) Operation and for part number.) from it Now copy the numbers...
  • Page 19 All manuals and user guides at all-guides.com Page 1 - 1 7 IEEE S T E P - B Y - S T E P A S S E M B L Y EXTENDER C I R C U I T BOARD on one D E P R E S S £...
  • Page 20 All manuals and user guides at all-guides.com XTENDER BLOCK E X T E N D E R B L 0 C K extender pins. fit. Detail 1-2A PICTORIAL 1-2...

  • Page 21: Oscillator Circuit Board

    All manuals and user guides at all-guides.com Page 1-19 OSCILLATOR CIRCUIT BOARD C O N T I N U E • S T A R T « circuit )5-7) as shown. complete each band mark o n the circuit board. in the ord er listed.
  • Page 22 All manuals and user guides at all-guides.com Page 1-20 foil. I N S U L A T I O N N1500 m i ca . C1216: 15 disc. NOTES: C1203: 50 p F disc o t h e rw i se o ff e x cess lead lengths.

  • Page 23: Circuit Board Checkout

    All manuals and user guides at all-guides.com 1-21 IHA1HI1T CIRCUIT BOARD CHECKOUT 1/8". •...
  • Page 24 All manuals and user guides at all-guides.com " "" Gett ± E t BUFFER CIRCUIT BOARD NOTE: When y o u install a diode, always band mark o n t h e c i r cu i t board. circuit board (#85­...
  • Page 25 All manuals and user guides at all-guides.com Page 1-23 zeeii{HEATHKIT « S T A R T • SAX..(#417-234). bott om th e si n k must n o t b el ow s h o e"...
  • Page 26 All manuals and user guides at all-guides.com Page 1-24 E ES E O S C I L L A T O R C I R C U I T B O A R D at20 , & " < R1232: 2000 , variable.
  • Page 27 All manuals and user guides at all-guides.com GEIEEE • • 0 " " " �- � -, : , , 7/16" �·•iifJ� FLAT W A S H ER � � U• ,;;;"' THREADED� � � 6 - 3 2 X 7/8" 6?..- S P A C ER �...
  • Page 28 All manuals and user guides at all-guides.com 1-26 G E E± S E E 1 - 1 0 { ·1 1 - 1 0 A Save the remaining fish paper for use later. 1 - 1 0 1 · 1 1 •...
  • Page 29 All manuals and user guides at all-guides.com B U F F E R C I R C U I T B 0 A R D O S C I L L A T O R C I R C U I T 8 0 A R D L O C K W A S H ER �...
  • Page 30 All manuals and user guides at all-guides.com EEESE V A R I A B L E C O L ""Q{Cl205 C 1 2 0 6 C l 2 0 7 C E M EN T c 1 2 0 3 °...
  • Page 31 All manuals and user guides at all-guides.com Page 1-29 IESE C H A S S I S • -�� - -----' • 7 i @ w g 4) a> » c o o g y s M E T A L S C R E W Detail 1-128 + 6 3 / s...
  • Page 32 All manuals and user guides at all-guides.com E ESE# PART C R I M P A N D S O L D ER C R I M P C O N N E C T O R H O U S I N G Detail 1 - 1 2 E 150'E Detail 1-12D...
  • Page 33 A U D I O / R E G C I R C U I T B O A R D P A R T S L I S T pa rts called step. RESISTORS, 1/2-Watt [ a d] 1-31 HEATHKIT...
  • Page 34 All manuals and user guides at all-guides.com EEESEE Resistors (cont'd.) 6-224 yellow) 6-684 R218 CAPACITORS Disc C2 04 Electrolytic �...
  • Page 35 All manuals and user guides at all-guides.com Other DIODES 56-16 56-19 ZD202 56-56 0206, TRANSISTORS-INTEGRATED CIRCUITS identification in one o f th e following four ways: different or missing.) type • one shown. circuit " circuit • z i t...
  • Page 36 All manuals and user guides at all-guides.com Page 0TY. MISCELLANEOUS _" 207-80 connector :t---_--- 475-10 PART FROM PACK # 1 0 85-1580-5 circuit board one is not front cover. pricing information, refer List."...
  • Page 37 All manuals and user guides at all-guides.com Page 1-35 C. E I E E E S T E P - B Y - S T E P A S S E M B L Y TRANSMITTER AUDIO/REG CIRCUIT BOARD G O O D SOLDER C O N N E C T I O N S , Y O U...
  • Page 38 All manuals and user guides at all-guides.com Page 1-36 E L ES T E NUMBER DRAWING 8 A N D £ D ■ r " � .. . •..· . · . • • 0207 0206. wire been installed, u s e small press...
  • Page 39 All manuals and user guides at all-guides.com Page 1-37 E Z ± ­ N U M B E R I D E N T I F I C A T I O N s t ep s performed D R A W I N G board ( v i o t e t - g r e e n ­...
  • Page 40 All manuals and user guides at all-guides.com Page 1-38 IDENTIFICATION DRAWING Th e steps performed in this Pictorial are in this area o f the circuit board. < C O N T I N U E NOTE: When y ou install electrolytic and tan­ talurn capacitors, b e sure t o m a t ch the posi­...
  • Page 41 All manuals and user guides at all-guides.com Page 1-39 .E IE EE IDENTIFICATION DRAWING < C O N T I N U E with th e circuit board. Bend th e "C" lead F L A T $ 1 0 f 9'// H i e . "...
  • Page 42 All manuals and user guides at all-guides.com Page 1-40 E I E E E e.: 2 E Install tw o IC's follows. Position th e IDENTIFICATION ridge d o t th e ov er th e band DRAWING screened o n the circuit board. Th e n i n se r t th e leads...
  • Page 43 All manuals and user guides at all-guides.com H F O / P R E M I X E R C I R C U I T B O A R D P A R T S L I S T f or QTY.
  • Page 44 All manuals and user guides at all-guides.com E I E E E Resistors (cont'd.) k 9) CAPACITORS Mica...
  • Page 45 All manuals and user guides at all-guides.com IESE a TY. Disc C443 , €446 .e8 5 INDUCTORS 45-73 RFC401, RFC402 inductor 45-27 err e bead 475-10 �...
  • Page 46 All manuals and user guides at all-guides.com E E S E QTY. NOTE: HEATH PART NUMBERS ARE STAMPED MOST DIODES. DIODES-TRANSISTORS ° • CRYSTALS...
  • Page 47 All manuals and user guides at all-guides.com Page 1-45 [ 8& OT¥. DESCRIPTION HEATH CIRCUIT Component No. MISCELLANEOUS Board puller 207-80 Circuit board 432-124 connector PART FROM PACK # 1 0 Circuit board 85-1418-4 order replacement part, always include PART NUMBER.
  • Page 48 All manuals and user guides at all-guides.com Page 1-46 E EE5 E H S T E P - B Y - S T E P A S S E M B L Y HFO/PREMIXER CIRCUIT BOARD HFO/Premixer P o s i ti o n t h e ci r c u i t b o a r d...
  • Page 49 All manuals and user guides at all-guides.com Page 1-47 EESERE PART N U M B E R I D E N T I F I C A T I O N DRAWING band mark o n the circuit board. Solder th e t o the c u t o ff I a 3...
  • Page 50 All manuals and user guides at all-guides.com Page 1-48 IEEE this area of the circuit board. IDENTIFICATION PART DRAWING NUMBER C O N T I N U E O Install nine 1000 (brown-black-red) R436, R431. resistors at: R432. R418. R413. R409.
  • Page 51 All manuals and user guides at all-guides.com Page 1-49 .E I E S L E area IDENTIFICATION DRAWING 8439: 2 2 92 443: R442. (yellow-violet-orange). o ff R425: 3300 (orange-orange-red). 4700 R426: R437. � = � : : - : : - : � : : ~ : ;...
  • Page 52 All manuals and user guides at all-guides.com Page 1-50 Z5 E E The steps performed in this Pictorial are in this area of the circuit board. PART IDENTIFICATION N U M B E R DRAWING C O N T I N U E C435.
  • Page 53 All manuals and user guides at all-guides.com Page 1-51 ESEE area PART IDENTIFICATION ' I ; DRAWING < C O N T I N U E NOTE: following NOTE: Install owing transistors in ner shown or with ou line board. rrect ated fo il...
  • Page 54 All manuals and user guides at all-guides.com Page 1-52 E E E steps performed Pictorial are in C O N T I N U E thus area of the boar c i r c u i t PART I D E N TIF ICATION DRAWING mount each crystal...
  • Page 55 All manuals and user guides at all-guides.com Page 1-53 £ s performed I n this this area o f Pictorial are ircuit b o a r d. PART IDENTIFICATION NUMBER DRAWING N O T E · A pictorial, solode 'components %~""°...

  • Page 56: Circuit Board Checkout

    All manuals and user guides at all-guides.com Page 1-54 E ESE Mount board pullers o n th e foil side p" C u t letter from t h e terminal onto circuit board location shown, CIRCUIT BOARD CHECKOUT Unsoldered connections. ransistors f o r the proper type and...
  • Page 57 All manuals and user guides at all-guides.com C O N V E R T E R , D I S P L A Y , A N D C O U N T E R C I R C U I T B O A R D S P A R T S L I S T RESISTORS 1/4-Watt...

  • Page 58: Integrated Circuits

    All manuals and user guides at all-guides.com Page 1-56 EEESEE aTY. CAPACITORS Disc 5 pf C85 6 €853, C854, Other Capacitors 25-56 N O TE : H E A TH P A R T N U M B E R S A R E S T A M P E D M O S T...
  • Page 59 All manuals and user guides at all-guides.com 1-57 ESTEE MISCELLANEOUS _-° :J--... connector -" $» Y101 PARTS FROM PACK # 1 0 Converter circuit Counter circuit 1417-2 order replacement part, always include PART rts O f rn shed w th th s kit. e is va la "...
  • Page 60 All manuals and user guides at all-guides.com Page 1-58 YI E A T H r T S T E P - B Y - S T E P A S S E M B L Y CONVERTER CIRCUIT BOARD S T A R T « ert er ci rcu i t boa rd (85- shown.
  • Page 61 All manuals and user guides at all-guides.com Page 1-59 NOTE: B ef o r e y ou install electrolytic l ook capa cit or , a n d i d en tify t h e leads. On e l e ad wi ll h a v e a plus...
  • Page 62 All manuals and user guides at all-guides.com E ESE E S H I EL D c 8 5 3 . 00I F E E D T H R O U G H » c A P A ~ T O R �...

  • Page 63: Display Circuit Board

    All manuals and user guides at all-guides.com Page 1-61 EESTEE DISPLAY CIRCUIT BOARD C O N T I N U E with side" "foil 00 92 , 1/4-watt, (red-red-red) ·; 1ss. {id. + r e R153. � I R152. L-" �...
  • Page 64 All manuals and user guides at all-guides.com Page 1-62 E I EE E KEEP YOUR S O L D E R I N G I R O N TIP C L E A N C O N T I N U E < (#432-121) 1/4-watt resistors (brown-black-orange).
  • Page 65 All manuals and user guides at all-guides.com Page 1-63 E ES E designated sockets. Se e Detail 4-74 circuit board. NOTE: Before you install a n IC. first b e sure the pins are straight. Then down tows pins. shown below a t A, and roll over until the pins are a t right angles o r are bent in slightly a s shown a t B.
  • Page 66 All manuals and user guides at all-guides.com Page 1-64 A t location A i n the Pictorial, G O O D S O L D E R C O N N E C T I O N S , Y O U M U S T K E E P T H E...
  • Page 67 All manuals and user guides at all-guides.com Page 1-65 PART NUMBS R IDENTIFICATION DRAWING COUNTER CIRCUIT BOARD Pictorial NOTES: following P ict o r i al s area eac h P i c t o r i a l sh ow s t h e m a tc h th e...
  • Page 68 All manuals and user guides at all-guides.com Page 1-66 GENESEE PART ■ IDENTIFICATl::MBEA DRAWING The steps performed in this Pictorial are in this area o ft the circuit board. bare wire S T A R T « NOTE: Solder the wires and jumpers a s a r e installed th e following s t e p s .
  • Page 69 All manuals and user guides at all-guides.com Page 1-67 ESE ± PART NUMBER IDENTIFICATION DRAWING r577T □ 0� � NOTE, install a ferrite bead, pu s h a J101. Pono bead U?-- Solder each group o f beads i t i s instal- '/fft8Eyt o t o E R '{ff/an,ff///...
  • Page 70 All manuals and user guides at all-guides.com Page 1-68 E I ES E Pictorial NOTES: over wire jumpers i n the following elevate the socket. Before you start solder each socket, count pins foil side 7 ge t ! H A L F - M O O N M A R K p [ C T O R 4 A L 4 - ] 2...
  • Page 71 All manuals and user guides at all-guides.com Page 1-69 that ridges ainst circuit board. L oo k at th e ro w connector toward center the circuit board. Solder the tabs t o the foil. D E P R E S S E D C O N T A C T C O M P O N E N T �...
  • Page 72 All manuals and user guides at all-guides.com Page 1-70 PART NUMBER ■ /__o.era erformed i n will install IC's. y o u The steps P? " ~~cent board. this area o f tl re ch t h e pin I f mo o n KEEP YOUR boa r , See Detail...
  • Page 73 All manuals and user guides at all-guides.com Page 1-71 PART NUMBER IDENTIFICATION 1 ­ 2 N 2 3 6 9 417-154). A ,, t r a n s i s t o r DRAWING transistor ba .. " k c ~,, y with t a b«...
  • Page 74 All manuals and user guides at all-guides.com Page 1-72 E I ES E Mount board pullers on the foil side o f th e circuit board a t holes A and Position female part in the circuit boa r d hole.

  • Page 75: Circuit Boards

    All manuals and user guides at all-guides.com VFO FILTER A N D D R I V E R C I R C U I T BOARDS PARTS LIST away RESISTORS 1/2-Watt 1--+ ange­ 6-392 white-red) 22 k0 (red-red­ 6-223 R 1 2 5 1 , R1252 rrATrYT 1-73...
  • Page 76 All manuals and user guides at all-guides.com "" " [EEi Other Resistors g y e e ( or ange- Orange-s 90 3 CAPACITORS Disc Other Capacitors DIODES-TRANSISTORS 2» 7 / 1wis~ti.sir transistor...
  • Page 77 All manuals and user guides at all-guides.com IESE INDUCTORS HARDWARE MISCELLANEOUS connector Thermal compound PARTS FROM PACK # 1 0 available, s e e "Replacement Parts" inside rear cover this Manual. Your Warranty is located inside front cover. pricing information, refer separate "Heath Parts Price List."...
  • Page 78 All manuals and user guides at all-guides.com Page 1-76 IEESEE S T E P - B Y - S T E P A S S E M B L Y C U I T H E C A B L E A C C O R D I N G T H E D I M E N S I O N S...
  • Page 79 All manuals and user guides at all-guides.com Page 1-77 E E S E D R I V E R CIRCUIT BOARD < C O N T I N U E PART NUMBER wf f (#56-26). GOOD S O L D E R C O N N E C T I O N S , MUST KEEP...
  • Page 80 All manuals and user guides at all-guides.com Page 1-78 ESE E (#45-82). C912: disc. coils inserting the pins into the correct holes in circuit board. Solder the leads t o the f oi l a nd cu t o f f the excess lead lengths. P os i ti on electrolytic capacitors wi t h the posi­...
  • Page 81 All manuals and user guides at all-guides.com Page 1-79 E E EE I E < C O N T I N U E CAUTION: CD­ "O" "O" "O" 7.s5#] 0 R I N G 0 U ' s 1 D E foil A foil C O L L E C T O R...
  • Page 82 All manuals and user guides at all-guides.com Page 1-80 EESEE C O N T I N U E t h e f ou r l oa ds e ac h th e PT6619 transistors (417-830)t0 3/16. Mount tr a ns l st or threaded st u d a n d l eads on t h e...
  • Page 83 All manuals and user guides at all-guides.com --�- ± · - - - - - . C I R C U I T BOARD CHECKOUT ( + )
  • Page 84 All manuals and user guides at all-guides.com .IESE NOTE POSITION OLES /4" [ s o ] the same manner. secure the circuit board t o the each location. important y ou follow exactly instructions F I S H P A P E R Detail 6-6A Heat, Sink Assembly Start a transistor...

  • Page 85: Circuit Board

    All manuals and user guides at all-guides.com ALC/OUTPUT FILTER C I R C U I T BOARD PARTS LIST away 0TY. RESISTORS 8 0 1 , R805, RR806 R809 R803 black­ 6-103 R807 Other Resistors 1-watt (brown­ 1-18-1 R802 green-brown) 1-83 rATIH.IT...
  • Page 86 All manuals and user guides at all-guides.com C E L E S T E 0TY. CAPACITORS Mica Other Capacitors electrolytic INDUCTORS ils u ­ ­...
  • Page 87 All manuals and user guides at all-guides.com C E L EST E • MISCELLANEOUS �- · : . • fiber connector « " e PART FROM PACK # 1 0 rear cover this Manual. Your Warranty is located inside front cover.
  • Page 88 All manuals and user guides at all-guides.com Page 1-86 C E 7S E E S T E P - B Y - S T E P A S S E M B L Y The steps performed in this Pictorial are in this area o f the circuit board.
  • Page 89 All manuals and user guides at all-guides.com Page 1-87 EZ5LEE « S T A R T NOTE: i t s leads t he d o w n onto board. each IDENTIFICATION L804; (40-1967) (40-1966). 1.28 H coil ( 4 0 - 1 9 6 9 ) (+40-1870.
  • Page 90 All manuals and user guides at all-guides.com Page 1-88 E E SE coil C O N T I N U E < NOTE: each t he following steps th e eyelet. (It i s a fit.) Push eyelet through th e center holes i n the circuit board.
  • Page 91 All manuals and user guides at all-guides.com Page 1-89 EEESER area the circuit board. S T A R T peaking ( # 4 0 ­ ■ � . AA , i ll uMBE · · · • · . - ( \ , peaking 40­...
  • Page 92 All manuals and user guides at all-guides.com Page 1-90 E E ESE E The steps performed in this Pictorial are in this area o f the circuit board. switch lugs carefully turn rotors both PART switch wafers so the index notches are in the position shown, You may (S.-1)
  • Page 93 All manuals and user guides at all-guides.com C A R R I E R GENERATOR/XTAL F I L T E R C I R C U I T B O A R D PARTS LIST QTY. • RESISTORS, 1/4-Watt 1-91 HEATHKIT...
  • Page 94 All manuals and user guides at all-guides.com H E A T I I T QTY. Resistors, 1/4-Watt (cont'd.) CAPACITORS Mica 33 pF 20-160 064 5 56 pF 20-78 C618, C633, 0637, 0642 7 5 pF 20-110 C6 09 8 2 pF 20-141 €613, 063 4, €63 8,...
  • Page 95 All manuals and user guides at all-guides.com Page 1-93 ESEE Q TY . Others disc tantalum C646 22 F tantalum C 644 tantalum 1560 pF trimmer [l±= INDUCTORS peaking c il 40-486 L 605 toroid coil :J.------- 6.5pH coil DIODES 1N458 (may marked yellow-green-gray)
  • Page 96 All manuals and user guides at all-guides.com CRYSTALS 404-205 404-206 TRANSISTORS 0605, 0609, 0601, 0604, 0606, 06 08, 06 1 1 , 0613 MISCELLANEOUS connector bead 4 -40 PARTS FROM PACK # 1 0 available, s ee "Replacement Parts" inside t h e rear cover this Manual.
  • Page 97 All manuals and user guides at all-guides.com Page 1-95 E ESE S T E P - B Y - S T E P A S S E M B L Y t h e car ri er generator/crystal fi tt e r circuit ( # 8 5 - 1 58 1 - 6 ) Then...
  • Page 98 All manuals and user guides at all-guides.com Page 1-96 tEIE IDENTIFICATION ■ DRAWING g r a y jumper w i r e . 2-3/8" gr a y jumper wi r e . Solder the wires t o the foil and cut o ff the excess ends.
  • Page 99 All manuals and user guides at all-guides.com Page 1-97 GHEE NUMBER ■ brown), mm , ] 5600 R609: 1000 (brown-black·red), � - - i . - - , .. .- -- 2 7 k Q2 ·- -· � · R616: 2 7 k 2 ange).
  • Page 100 All manuals and user guides at all-guides.com Page 1-98 IEESEE I D E N T I F I C A T I O N this area o f the circuit board. Install 3 3 00 (orange-orange-red) R658: (orange-orange­ RR638: 6 8 0 Q2 (blue-gray-brown). 648: (orange-orange­...
  • Page 101 All manuals and user guides at all-guides.com Page 1-99 IDENTIFICATION DRAWING PART NUMBER in this Pictorial Th e s t e p s p e r f o rm¢ ■ this area o f the circuit board. K E E P Y O U R F disc capacitors at: S O L D E R I N G Install...
  • Page 102 All manuals and user guides at all-guides.com Page 1-100 E I EE E «ENTIFICATION DRAWING The steps performed in this Pictorial are in this area o f the circuit board. NOTE: Wh en y ou install a ferrite bead, use a 1 "...
  • Page 103 All manuals and user guides at all-guides.com Page 1 - 1 0 1 EIEESLEE IDENTIFICATION DRAWING Ii--:�:. . I N # ° C O N T I N U E NOTE: • • NOTE: th e 9- - . ] the fl at with ­...
  • Page 104 All manuals and user guides at all-guides.com Page 1-102 E ES E ± I D E N T I F I C A T I O N DRAWING ■ PART «f ■ (#404.283) lockwashers a n d nuts. Th e n solder lugs L O C K W A S H E ;...

  • Page 105: Circuit Board Checkout

    All manuals and user guides at all-guides.com f" (hEE part pe rt, through th e female location shown, kit, following steps should disregarded. IMPORTANT: I f y o u a r e n o t installing t h e F i l i ESSEI install th e...
  • Page 106 All manuals and user guides at all-guides.com Page 1-104 IESE...

  • Page 107: Parts List

    All manuals and user guides at all-guides.com R E C E I V E R I F / A U D I O C I R C U I T BOARD PARTS LIST RESISTORS 1/2-Watt HI HATHCT 1-105...
  • Page 108 All manuals and user guides at all-guides.com IESE RESISTORS (cont'd.) 6-155 -green­ RR576 6-185 R581 1.8 M (brown­ gray-green) 6-335 (orange- orange-green) 1-86 5. 6 10% (green­ MM), blue-green-silver)
  • Page 109 All manuals and user guides at all-guides.com C .E I ES E E a T Y. DESCRIPTION HEATH CIRCUIT Component No. Other Resistors red-silver-gold) 2 0 k 0 , 1 % , 1/4-watt CAPACITORS Mica Disc .001 F . 05 F C54 5 Mylar 4F Mylar...
  • Page 110 All manuals and user guides at all-guides.com Page 1-108 G E I S E R NOTE: H E A T H PART NUMBERS ARE STAMPED MOST DIODES. DIODES 56-6 56-59 < • TRANSISTORS $-fr­ INTEGRATED CIRCUiT LM3900...
  • Page 111 All manuals and user guides at all-guides.com IEEE � MISCELLANEOUS � ­ » & » e " - %= 4-40 ::J--- PART FROM PACK # 1 0 board n o t available, s e e "Replacement Parts" inside t h e fr o n t cover.
  • Page 112 All manuals and user guides at all-guides.com Page 1 - 1 1 0 IEEE S T E P - B Y - S T E P A S S E M B L Y < C O N T I N U E osition the receiver IF audio circurt boar d Install twenty-four...
  • Page 113 All manuals and user guides at all-guides.com Page 1 - 1 1 1 I E : = area of cert I D E N T I F I C A T I O N N U M B E R 2702 (red-violet-brown} l==ff.
  • Page 114 All manuals and user guides at all-guides.com Page 1 - 1 1 2 FIZER steps performed in this Pictorial are in this area o f the circuit board 1500 (brown-green-red), 4700 (yellow-violet-red) 3900 {orange-white-red). Form leads k .2 (brown-green-orange) resistor shown, Then each...
  • Page 115 All manuals and user guides at all-guides.com Page 1 - 1 1 3 EISER± Th e are i n < C O N T I N U E NOTE. T o install socket, insert the after installed. So l d e r t he , er 4 # L...
  • Page 116 All manuals and user guides at all-guides.com Page 1 - 1 1 4 EESEE The steps performed in this Pictorial are in €50 3. C514. NOTE: Before install an electrolytic o ff t he excess lead lengths. l ook On e lead will have a plus (+) m ark or a Install...
  • Page 117 All manuals and user guides at all-guides.com Page 1 - 1 1 5 E A S H 0501: 406 7 3 (#417-274). PART IDENTIFICATION ta b i ng NUMBER DRAWING t he ■ cuit ss lead lengths. S H O R T I NG ~re.
  • Page 118 All manuals and user guides at all-guides.com Page 1 - 1 1 6 G E E S E ± C O N T I N U E • £ L501: T o r o i d coil (#40-1686). =&7 lugs t o <...
  • Page 119 All manuals and user guides at all-guides.com Page 1 - 1 1 7 IEEE IDENTIFICATION DRAWING foil R534: 50 00 control. (May marked 5K), It may be necessary t o move k 2 resistor slightly, Solder th e lugs t o the foil, p"...
  • Page 120 All manuals and user guides at all-guides.com Page 1 - 1 1 8...
  • Page 121 All manuals and user guides at all-guides.com POWER A M P L I F I E R C I R C U I T BOARD PARTS LIST RESISTORS CAPACITORS IATIHHIT' 1 - 1 1 9...
  • Page 122 All manuals and user guides at all-guides.com G E ES E ± H MISCELLANEOUS washer brass brass Package, consisting 2N6456or 0951, 0 9 5 2 C D - 2 664 A transistor 0 9 5 3 , 0 9 5 4 Circuit board connector L 9 5 8...
  • Page 123 All manuals and user guides at all-guides.com Page 1-121 S T E P - B Y - S T E P A S S E M B L Y Position power amplifier circuit board (#85-2055-1) shown. Then proceed with the following steps. NOTE: When y ou install...
  • Page 124 All manuals and user guides at all-guides.com Page 1-122 EIEESE t he the outer shield t o the circuit bo ar d bend until hole aligned with open hole t he foil. B e sure the inner lug does not touch the outer shield.
  • Page 125 All manuals and user guides at all-guides.com Page 1-123 E I ESE disc. mica. 3 3 p F O n e l ead passes a nd t h e h o l e t h e l ug . So l d er bo th l ea d s o ne...
  • Page 126 All manuals and user guides at all-guides.com Page 1-124 C E EES E E they will take the solder easily, 1/4" o f S M A L L B O A R D P A R T N U M B E R B R A S S T U B E \ R G E...

  • Page 127: Transformer Assembly

    All manuals and user guides at all-guides.com EEESEE TRANSFORMER ASSEMBLY F E R R I T E B E A D S � rn o em, 1/2" C L E A R TU B I N G 2 - TU R N S Detail 11-5A �...
  • Page 128 All manuals and user guides at all-guides.com G E ES E t a r e B E A D S Detail 11-5C 3/8". B R A S S T U B E vertical position at the locations marked A and B in Pictorial.
  • Page 129 All manuals and user guides at all-guides.com Page 1 - 1 2 7 C E SE E � o l 5 «=a ( ° ° Detail 1 1 - 5 E PICTORIAL 11-6 ( , i Connect g ay wi e ( S - 1 ) ( s - 1 ) .
  • Page 130 All manuals and user guides at all-guides.com Page 1-128 E I ES L 9-3/4 19" 9-3/4° 19" PICTORIAL 1 1 - 7 9-3/4" ( s- 1 ) . (NCH9) ¼ ½ r wrr • • • • 1. 3...
  • Page 131 All manuals and user guides at all-guides.com Page 1-129 ± I SL E TRANSISTOR INSTALLATION C O N T I N U E N O T C O V E R T H I S H O L E N O T E S : T H E C U T O F F C O R N E R...
  • Page 132 All manuals and user guides at all-guides.com Page 1-130 C E Z5 E R E C O N T I N U E IMPORTANT: Follow this Pictorial ONLY i f you were furnished type 2N6456 (#417-831). carefully have mind just what i s t o b e done and ho w you will t o it.
  • Page 133 All manuals and user guides at all-guides.com Page 1-131 E ESE Four 3 6 0 p F mica capacitors. C969... . C968 C968 C967. (brown-black-black) 951. R955. Solder the teads t o the foil a nd cut o f f excess lengths.
  • Page 134 All manuals and user guides at all-guides.com h8 I EE E will ge ts foil. ba k ally e m l compound. F 1 S H P A P E R < [ s ] Detail 1 1 - 1 1 B rn mo Detail 1 1 - 1 1 A (INCHES)
  • Page 135 All manuals and user guides at all-guides.com C H A S S I S A S S E M B L Y P A R T S L I S T each against step. aft er you call~dd aw ay parts part .
  • Page 136 All manuals and user guides at all-guides.com Page 1-134 0TY. CIRCUIT DESCRIPTION HEATH Component No . CAPACITORS 1 8 p F disc T e s t F disc .001 disc 017, C22, RF Del. electrolytic electrolytic electrolytic electrolytic electrolytic 1000 electrolytic p F m ica 20-109...
  • Page 137 All manuals and user guides at all-guides.com Page GEISE DESCRIPTION 0TY. CIRCUIT HEATH SWITCHES-RELAY (cont'd.) Relay 3-position detent 9-position detent I N S U L A T O R S plastic socket SHEET METAL PARTS...
  • Page 138 All manuals and user guides at all-guides.com Page 1-136 LEESE 0 TY, CIRCUIT DESCRIPTION HEATH Component No. SHEET METAL PARTS (cont'd.) 200-1232 C h assi s 203-1532-2 Front pan el • • • ,; · � � Rear panel 203-1596-3 204-102 Panel bracket Window bracket...
  • Page 139 All manuals and user guides at all-guides.com IESHEREE HEATH SHEET METAL PARTS (cont'd.) 205-1557 205-1576 205-1585 206- 1 1 0 1 206-1102 2 06- 1 1 03 206-1265 HARDWARE #2, #3, and # 4 Hardware 2 - 56 1 1 / 1 6 " 250-352 2-56 �@...
  • Page 140 All manuals and user guides at all-guides.com C E ES E # 0TY. # 6 Hardware head /2" #8 and #10 Hardware 250-456 253-19 Other Hardware...

  • Page 141: Connectors-Sockets

    All manuals and user guides at all-guides.com E ESE 0TY. • CONNECTORS-SOCKETS connector connector Wire connector ­ Chassis connector ::J') ¥ » ­...
  • Page 142 All manuals and user guides at all-guides.com Page EATIHIT HEATH CIRCUIT 0TY. DESCRIPTION SHAFTS-BUSHINGS KNOBS � --:-- , MISCELLANEOUS FB (2) FB (4) 446-628...
  • Page 143 All manuals and user guides at all-guides.com a i l """No. MISCELLANEO (cont'd.) )U S 431-49 134-886 € compound & > , (; Circuit b o a r , "" °" � rning • ound In c st;gt...
  • Page 144 All manuals and user guides at all-guides.com G E ES E 0TY. Miscellaneous (cont'd.) 446-640 446-641 ­ available, s e e "Replacement Parts" inside t h e rear cover this Manual. Your Warranty is located inside front cover. pricing information, refer separate "Heath Parts Price List."...
  • Page 145 All manuals and user guides at all-guides.com Page 1 - 1 43 G E ES E S T E P - B Y - S T E P A S S E M B L Y ARTS MOUNTING P O I N T E D LU G S 7 A 8 C H A S S I S...
  • Page 146 All manuals and user guides at all-guides.com Page C E I E E E Compare the holes in a transistor socket insulator with holes the center are offset so the insulator can b e will heat sink compound in the next step and several other Should this happen, rinse your eyes with warm water.
  • Page 147 All manuals and user guides at all-guides.com +2 u1 & : < s o u s e t u ¢ 6 · 3 2 , 3/8" S C R E W Q2 , Detail 1 2 - 1 Squeeze an amount o f thermal compound equal t o a ®...
  • Page 148 All manuals and user guides at all-guides.com Page 1-146 terminal st r i p insulator. Save the indicated pieces for tern rarily. • " SAVE DISCARD Detail 12-2A C I R C U I T 8 O A R D S H I E L D S s c s w ts ->...
  • Page 149 All manuals and user guides at all-guides.com Page G E ESE S H I E L D next four steps. R E A R L I P C H A S S I S scr ews · sequence: "'q,,,, !<,,,.:·/· S O L D E R L eft ­...
  • Page 150 All manuals and user guides at all-guides.com C E I ES E RE 3) , 4 6 / 2 ° H E A D 3 - L U G s e t et following steps. T ER M I N A L S C R E W Pict --�J6...

  • Page 151: Chassis W I R I N G

    All manuals and user guides at all-guides.com E EES E E lower CHASSIS W I R I N G w ill soldering that 2-1/4 3-1/2" 2-1/2° 12-4 12-4 • fy m / 4 " -1/4"...
  • Page 152 All manuals and user guides at all-guides.com Page 1-150 C E L EES E ± € cu.@ 0 R G <D R A Y EE3EM. 55SEE (4eE8 G R A Y 6ks..57.. PICTORIAL 12-5 (INCH9 ¾ ¼ ½ , ' ' J rrrrrr "...
  • Page 153 All manuals and user guides at all-guides.com Page IEEE 1 ). 4" orange 4" r ed from 7" orange 3" gray 4" g r a y n e 5" gray ✓ wire up through chassis cutout - 1 ) . $ 1 ) .
  • Page 154 All manuals and user guides at all-guides.com Page 1-152 G E I S E FR OM ±HR9 Doc"i G R A Y R E D #eye9 0 R G G~¢- PICTORIAL 12-6 Pictorial 12-6 for the foll g steps Connect e nd gray wire...
  • Page 155 All manuals and user guides at all-guides.com Page 1-153 GEJLth 11 · 5 ; � " gr a y terminal ( S- 1 ) terminal #6 x5/8" € l] s e e r g ra y fr o m terminal (S-1) t o terminal E 1 4...
  • Page 156 All manuals and user guides at all-guides.com IEEE O R G --------------of-----------------... PICTORIAL 12­ 5" ( s - 1 ) . 4" orange 5" orange 5" wire, ferrite bead. Then, when you install the gray wire, push the eads down against the chassis so the cement will hold them the chassis.
  • Page 157 All manuals and user guides at all-guides.com Page are wire from solder lug BJ (S-1) K2 and encircle terminal K 1 . Solder the wire terminal terminals. ( v(' Co n n ec t " K ( s- 1 ) . / 2"...
  • Page 158 All manuals and user guides at all-guides.com E ES E efer ewire section A. Solder the other five connections. Trim off any excess wire between sections C and D. 2" gray Detail 12-10A Switches and Controls /4" wire 2' ' section larger than the other five sections.
  • Page 159 All manuals and user guides at all-guides.com Page E I ES E C O N T R O L C O N TR O L FLAT W A S H � R 1 / 4 " - 3 2 N U T Detail 12-10E [��...

  • Page 160: Wiring Harness

    All manuals and user guides at all-guides.com Page 1 - 1 58 E EES E E BLUE YELLOW WHT-RED WIRING HARNESS 9.WIRES 8-1/2" PICTORIAL 1 2 - 1 1 W I R I N G HARNESS connectors on a group o f harness wires as shown in Detail /4"...
  • Page 161 All manuals and user guides at all-guides.com Page 1-159 C E E EES E E ,• PICTORIAL 12-12 ­ 12-12 (#432-120) B O # 1 1 BO#11 BO# 18: wires. B0#17: wires. BO#1, � ) gray wire. Push the group o f wires through grommet BO# 1 6 : wires.
  • Page 162 All manuals and user guides at all-guides.com 8IEEE U se sold er on a connection. Conn Connect the gray wire coming from switch S3, section Push the blue and yellow wires down through chassis type (#56-56) (S3), (NCH6) + + + m rr rr 1 •...
  • Page 163 All manuals and user guides at all-guides.com Page 1 - 1 6 1 LEESE W H T ­ V I Ol ® PICTORIAL 12-14 db ). are gray wires as follows: Refer to torial 1 2 - 1 4 for the following steps. ect harness wires to S3 as follows: G R A onnect harness wires as follows:...
  • Page 164 All manuals and user guides at all-guides.com C E ES T E E W H T ­ WHT- W H T ­ e Y EL ­ T­ w > ] r ; 'a ] W H T - (tL5EE W H I - W H T ­...
  • Page 165 All manuals and user guides at all-guides.com Page white-orange...
  • Page 166 All manuals and user guides at all-guides.com Connect harness wires a s follows: wires wire t p , p sh essa ee Detail 12-18A. - 1 ) . Detail 12-18A...
  • Page 167 All manuals and user guides at all-guides.com EEESTEE A n. #H e9 W H T ­ G R N k l 2-ER. W H T ­ B L K W H I - R E D 8 L K ° �...
  • Page 168 All manuals and user guides at all-guides.com LEESE S AND CABLES P R P A R T I A N H E N D S H 0 nu+H i w -, , Page 1 0 ) for · 3 I 8 " p -"] J / 7 Cut a 1 - 1 / 2 "...
  • Page 169 All manuals and user guides at all-guides.com E Z E R termi fals follows. connections center ( J:·:· B A N D E D E N D Detail 1 2 - 1 9 C e n d d will be c o rre c t ed later.
  • Page 170 All manuals and user guides at all-guides.com Page 1-168 IEEE CABLE HARNESS ORANGE PICTORIAL 12-20 (NCHr6) ¾ _ [ " rr rprrrr t • (CM) • •...

  • Page 171: Cable Harness

    All manuals and user guides at all-guides.com CABLE HARNESS j,,. T W 151 «lid / 4 1 u R N Detail 12-218 Detail 12-21A...
  • Page 172 All manuals and user guides at all-guides.com Page 1 - 1 7 0 E L E7S E E 85255EE. 0 . OL _. ssangWE=g PICTORIAL 12-22 QNcts) 4 + J ± ± ± mrprrnr ± (CM)
  • Page 173 All manuals and user guides at all-guides.com to solder l e ad o ther 7/8). $4). +vwvwv-v f ] [ K s -+v v w ww+ o» t%@I PICTORIAL 12-23...

  • Page 174: Rear Panel

    All manuals and user guides at all-guides.com Page 1-172 G EES E G R O U N D I N S I D E R E A R P A N E L f f . f R f [ d REAR PANEL Place soft...
  • Page 175 All manuals and user guides at all-guides.com Page 1-173 Detail 12-24C Detail 12-24E € « control nut. C o s s « r s · ( s u u 1 t o c r w A s t « ' L . 7 �...
  • Page 176 All manuals and user guides at all-guides.com E ES E (' 03) £ PICTORIAL 12-25 2" 21/2" P U S H W I R E I N T O T H E H O L E U N T I L C O M E S O U T T H E...
  • Page 177 All manuals and user guides at all-guides.com Page 1-175 @ E r = A r r + O R A N G E S I R A N D E D W I R E W R A P A R O U N D Connect the other six wires coming from grommet BC A N D S O L D E R...
  • Page 178 All manuals and user guides at all-guides.com IESE for th e following steps. ( S2, " Co y the 2-3/4" gray (s-1). %%.«vs s n ». lyossossn Connect shielded cables coming from grommet s e e+ i o (INCHES) ± ±...
  • Page 179 All manuals and user guides at all-guides.com Page 1-177 E EE E W H T W H T V I 0 G R A Y . - - � PICTORIAL 12-26...
  • Page 180 All manuals and user guides at all-guides.com E ES E ± # 6 3 / 8 ° F L A T H E A D PICTORIAL 12-27 S H E E T M E T A L S C R E W panel and chassis carefully t o make sure n o wires have UNDER-CHASSIS W I R I N G 23/4"...
  • Page 181 All manuals and user guides at all-guides.com l"7 S A V E O N E P I E C E wires _,..,, . · (4connect center conductor shielded cable R E M O V E O U T E R connect the shield wires yet.
  • Page 182 All manuals and user guides at all-guides.com Page 1-180 E # IEE E O P E N I N G O N E E N D W I T H P I E R S Detail 12-28D C U T O U T S T R I P S y·...
  • Page 183 All manuals and user guides at all-guides.com under-chassis wiring against steps (#4, the Pictorials t o make sure there are no errors. This completes the under-chassis wiring. TOP CHASSIS 19($-1). • ss.a? , a nd /2" W I R E connected later.
  • Page 184 All manuals and user guides at all-guides.com 1-182 G E I S B E N D THE L A R G E P O R T I O N P O S I T I O N T H E S M A L L OF T H E G R O M M E T O V E R...
  • Page 185 All manuals and user guides at all-guides.com 1-183 orange r e6ar e type Q2 , «'%,ot% ta ry switch lateral shield. U se s and 4-40 nuts. '-Co Detail 12-30D (INCHES) • • r rrr ­ • • • •...
  • Page 186 All manuals and user guides at all-guides.com Page 1-184 L A T E R A L S H I E L D W H T - V I O L ­ V 1 0 l PICTORIAL 12-31 ½ ¾ ' [ s a g s_ s y s, ouces»...
  • Page 187 All manuals and user guides at all-guides.com the gray wire coming from switch S3 section C r ed wire coming from white Connect the r ed wire coming from switch S 3 section C 7" will t o the three rectangular openings. Connec nine wires...
  • Page 188 All manuals and user guides at all-guides.com Page 1-186 =eeejig R E M O V E C O V E R I N F R O M O N E O N L P E N C I L u?-] Detail 12-328 L �...
  • Page 189 All manuals and user guides at all-guides.com IEEE Remove covering from side wind9. black (@) . covering as shown a t Detail 12-32D 6 - 3 2 N U T L O C K w A S H E R S H O R TE R 4-40 6 - 3 2 1 3 /...
  • Page 190 All manuals and user guides at all-guides.com Page 1-188 C E Z5 E H ,ors B E N D ( « w t p- 1 / 4 " � L O C K W A S H ER · « Detail 12-32G Detail 12-32F (#434-44)
  • Page 191 All manuals and user guides at all-guides.com 1-189 EE2SEE B L A C K Detail 12-32J 12-32J O V E R L A P S C L E A R I D E N T I F I C A T I O N S T R I P After have...
  • Page 192 All manuals and user guides at all-guides.com Page 1-190 IESE v i ] [ w i s n o 6" 0 R G e a. cs=as se s s < '6" G R A Y Detail 12-32M the two wires. •...
  • Page 193 All manuals and user guides at all-guides.com IEEE M I C R O P H O N E FRONT PANEL AND VFO MOUNTING P A N E L (I O N N E C T I N S I D E FRONT P A N E L �...
  • Page 194 All manuals and user guides at all-guides.com E EE S E E 3/8 - 3 2 K N U R L E D C O N T R O L C O N T R O L "6 c o o •...
  • Page 195 All manuals and user guides at all-guides.com Page 1 - 1 93 IEEE t o c K w A S H E R -4o vu1 Detail 12-33H B0#11 BJ6k � � £ ± ± ± range onto ± .d .} } _ } ~! (al e ±...
  • Page 196 All manuals and user guides at all-guides.com P age 1-194 ± r}_}_)__} )_j },j, V � � H 'J fl � 'i:J � '1 � � � - ., <f!J � � � � ] -1 w t - a u �...
  • Page 197 All manuals and user guides at all-guides.com Page F O L D D I S C A R D sleeving 2" ao#y9/ - 1 / 1 6 " ]-3fl' 8 O: Detail 12-33M full eon/ 4... bly t o the chassis with #8 1/2"...
  • Page 198 All manuals and user guides at all-guides.com G E ES E @ 6 - 3 2 + / 8 " S C R E W 6 - 3 2 J/8" S C R E W ' � dl i 6 B E N D u P, L o C K w A S H E R...
  • Page 199 All manuals and user guides at all-guides.com Page 1-197 I" ·H REMOVE I" T E R N S U L A T I O N b r ai d are causing a short the center cont Ictor. R E M O V E 3 / 4 "...
  • Page 200 All manuals and user guides at all-guides.com Page 1 - 1 98 EE5EE € GD » ... o • : : : o W W • ::: ¢ £ v o e v o e Oft4v 4 i t A N D €...
  • Page 201 All manuals and user guides at all-guides.com 8 3 2 s u s c R , S H A F T C O L L A R setscrews. € L A T E R A L S H I E L D 8"...
  • Page 202 All manuals and user guides at all-guides.com C E8 I EESE E s e e n7 o r [ @ r S P R I N G C L I P C R I M P ONTO BARE W I R E E N D A N D S O L D E R...

  • Page 203: Customer Service

    HEATH Please do not send parts for testing, FROM REPAIR SERVICE kit. I f I t Is convenient, personally deliver your kit t o a Heathkit Electronic Center. For warranty parts replacement, sup­ Parts on your packing slip. OBTAINING REPLACEMENTS FROM kit.
  • Page 204 All manuals and user guides at all-guides.com HEATH • W O R L D ' S FINEST E L E C T R O N I C EQUIPMENT FORM LITHO U S.A...

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