Page 1 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,...
Page 2 HEATH COMPANY PHONE DIRECTORY T echn ica l P hone Numbers followin direct lines to 8. 00 A.M. 12P.M. 1.00 P.M. 4.30 P.M., E S T, W eek da ys Only Audio , v ery Cr edit Replacement Parts C locks...
Page 3 Copyright 1977 H E A T H C O M P A N Y Heath Company A l l R i g h ts Reserved B E N T O N HARBOR, M I C H I G A N...
Page 4 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 1 - 2 5...
Page 5 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. Transceiver: Broadbanding eliminates necessity "peak" circuits Band switch and select the desired frequency.
Page 6 Page 1-4 C E EESEE...
Page 7 PARTS P A C K A G I N G PARTS PACK IEHAT'HKIT'...
Page 8 Page 1-6 IESE...
Page 9 A S S E M B L V N O T E S principal sections -- the circuit boards and the chassis. The circuit boards certain subassemblies will be built first, resistor color code explained "Kit Builders and then laid aside, s o each one b e available when soldering iron will make the kit easier t o assemble and there number.
Page 10 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 Page 1 - 1 0 E I E E E...
Page 13 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 (V FO) EXTENDER BOARD P A R T S L I S T step.
Page 14 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 G EN I E DIODES-TRANSISTORS • J2 / four ways. listed. METAL PARTS €...
Page 16 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" spacer Spring washer CONNECTORS boa d...
Page 17 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 340-3 12'-4 1/4"...
Page 18 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 onto the space provided illustration above.
Page 19 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 £ D l A C �...
Page 20 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 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. 1206: 1 50 0 (brown-green-brown). {"<••-·- - •...
Page 22 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. xcess lead length, Only o ne e nd o f each wire will...
Page 23 1-21 IHA1HI1T CIRCUIT BOARD CHECKOUT 1/8". •...
Page 24 " "" 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 (orange-orange-red). RR1227: 3900 9 (orange-white-red). �: (red-red-orange).
Page 25 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" Ce). 1 205: 2N36384 (#417-234). holes a s shown. T R A N S I S T O R e3_;sono v u °...
Page 26 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. Solder install sure c o n t r o l pushed down tight against...
Page 27 GEIEEE • • 0 " " " �- � -, : , , 7/16" �·•iifJ� FLAT W A S H ER � � U• ,;;;"' 6-32 X 7/8" THREADED� � � 6?..- S P A C ER � • � ) <...
Page 28 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 • PICTORIAL 1 - 1 0 "6-32 3/8"...
Page 29 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 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 ° ) c 1 + C 1 2 1 6 several hours for the cement t o set.
Page 31 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 S H E E T M E T A L...
Page 32 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 l "...
Page 33 T R A N S M I T T E R 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.
Page 34 EEESEE Resistors (cont'd.) 6-224 yellow) 6-684 R218 CAPACITORS Disc C2 04 Electrolytic �...
Page 35 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 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 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 MUST KEEP...
Page 38 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 down against 1"...
Page 39 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 brown) kkk] 252.
Page 40 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 tive ( +) capacitor lead (or color dot) wit h the positive m a rk on t h e circuit board.
Page 41 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 . " f r n stal l f ou r MPSA20 transistors (#417-801) 0205 X29A829...
Page 42 Page 1-40 E I E E E e.: 2 E IDENTIFICATION Install tw o IC's follows. Position th e ridge d o t ov er band DRAWING screened o n the circuit board. Th e n i n se r t th e leads into...
Page 43 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. RESISTORS, 1/2-Watt CATHIT" 1.-41...
Page 44 E I E E E Resistors (cont'd.) k 9) CAPACITORS Mica...
Page 45 IESE a TY. Disc C443 , €446 .e8 5 INDUCTORS 45-73 RFC401, RFC402 inductor 45-27 err e bead 475-10 �...
Page 46 E E S E QTY. NOTE: HEATH PART NUMBERS ARE STAMPED MOST DIODES. DIODES-TRANSISTORS ° • CRYSTALS...
Page 47 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. Use the Parts Order Form furnished with this kit.
Page 48 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 wi th...
Page 49 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 Prepare [l i,...
Page 50 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. R406. R 40 1 . R 4 1 2 . Solder the leads t o the...
Page 51 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. � = � : : - : : - : � : : ~ : ; ,_ � _ 428.
Page 52 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. Install f o u r disc capacitors a t :...
Page 53 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 B , and C . Solder eac h l ead t o the foil a nd cut o ff th e excess lead length.
Page 54 Page 1-52 E E E steps performed Pictorial are in C O N T I N U E thus area of the c i r c u i t boar PART I D E N TIF ICATION DRAWING mount each crystal its correct location, a minimum amount of heat and solder...
Page 55 Page 1-53 £ s performed this area o f In this Pictorial are ircuit b o a r d. PART IDENTIFICATION NUMBER DRAWING N O T E · A pictorial, solode 'components %~""° e excess tea leads and cut off -----, N T I N U E Position...
Page 56 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 tall t Diodes f o r...
Page 57 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 Page 1-56 EEESEE aTY. CAPACITORS Disc 5 pf C85 6 €853, C854, Other Capacitors 25-56 A R E S T A M P E D N O TE : H E A TH P A R T N U M B E R S M O S T D I O D E S .
Page 59 O f rn shed w th th s kit. e is va la " e lac t Parts" inside the rear cover of this Manual. Your Warranty is located inside front cover. pricing information, refer separate "Heath Parts Price List."...
Page 60 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 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 m a rk ht .
Page 62 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 # 6 1 3 / 8 " S H E E T �...
Page 63 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-" � R 1 5 1 . M A R K •"--�...
Page 64 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). I f 7/a m e size 1 u r g e...
Page 65 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 at right angles o r are bent in slightly a s shown a t B.
Page 66 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 S O L D E R I N G I R o N...
Page 67 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 b a nd ed e n d...
Page 68 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 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 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 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 Page 1-70 PART NUMBER ■ /__o.era erformed i n will install IC's. y o u The steps board. P? " ~~cent this area o f tl re ch t h e pin I f mo o n KEEP YOUR boa r , See Detail ...
Page 73 Page 1-71 PART NUMBER IDENTIFICATION 1 2N2369 417-154). A ,, t r a n s i s t o r DRAWING transistor ba .. " k c ~,, y with t a b« e circuit bo r a ~ ~ ," " 9 t h i n e i nt o t h e hoy%...
Page 74 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. Then push male part through the female part t o •...
Page 75 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 "" " [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 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 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 B E L O W .
Page 79 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 T H E...
Page 80 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 and cut o f f the excess lead lengths. P os i ti on electrolytic capacitors wi t h the posi tiv e l ead as shown.
Page 81 Page 1-79 E E EE I E < C O N T I N U E CAUTION: CD "O" "O" "O" 7.s5#] 0 U ' s 1 D E 0 R I N G foil A foil C O L L E C T O R R94: 470 , '"�, 902:.
Page 82 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 foll...
Page 83 --�- ± · - - - - - . C I R C U I T BOARD CHECKOUT ( + )
Page 84 .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 nut onto each transistor stud a t D...
Page 85 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 C E L E S T E 0TY. CAPACITORS Mica Other Capacitors electrolytic INDUCTORS ils u ...
Page 87 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. pricing information, refer separate "Heath Parts Price List."...
Page 88 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. PART S T A R T «...
Page 89 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. _Lbd,[% ..,-, L- --:! :-...
Page 90 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. the leads Th en eyelet...
Page 91 Page 1-89 EEESER area the circuit board. S T A R T peaking ( # 4 0 ■ � . AA , i ll uMBE · · · • · . - ( \ , peaking 40 coil wh i t e ] r ed dots).
Page 92 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) Push (#63-723).
Page 93 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 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, 084 3 94 pF 20-176...
Page 95 INDUCTORS peaking c il 40-486 L 605 toroid coil :J.------- 6.5pH coil DIODES 1N458 (may marked yellow-green-gray) NO TE : HEATH PART NUMBERS ARE ST A M P E D ON MOST DIODES. white r w ) � � •...
Page 96 06 08, 06 1 1 , 0613 MISCELLANEOUS connector bead 4 -40 PARTS FROM PACK # 1 0 available, s ee "Replacement Parts" inside the rear cover this Manual. Your Warranty i s located inside front cover. pricing information, refer List." separate "Heath Parts Price...
Page 97 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 pr oceed wi th t h e...
Page 98 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. NOTE: When y ou install a diode, always 0605.
Page 99 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 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 brown) 639.
Page 101 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 sev e n...
Page 102 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 " small bar e wi r e t o m ou nt t h e b ea d t o 0612: 105 mica.
Page 103 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 w i th - - + [r - - - - - - - - - - - - - - >...
Page 104 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 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 CIRCUIT BOARD CHECKOUT Unsoldered connections.
Page 106 Page 1-104 IESE...
Page 107 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 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 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 Electrolytic . 68...
Page 110 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 - %= 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. pricing information, r e f e r separate "Heath Parts Price List."...
Page 112 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 circuit...
Page 113 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. . 4 7 9 y el l o w violet btaci.
Page 114 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 lead disc capacitor 1/2' and wrap capacitor leads around...
Page 115 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 ii?'?"...
Page 116 Page 1 - 1 1 4 EESEE The steps performed in this Pictorial are in €50 3. C514. NOTE: Before install an electrolytic o ff excess lead lengths. t he l ook On e lead will have a plus (+) m ark or a Install f i v e...
Page 117 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. • ¢ Install the seven transistors at: 0512.
Page 118 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 < capacitor, a t i t a nd identity the leads. •...
Page 119 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" n the circuit board as shown.
Page 120 Page 1 - 1 1 8...
Page 121 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 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 Circuit board 85-1423 Circuit board...
Page 123 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 ferrite bead G O O D...
Page 124 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. NOTE: Before install an electrolytic capacitor, l ook a t a n d identity t h e leads.
Page 125 Page 1-123 E I ESE disc. 3 3 p F mica. 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 l ead t h e...
Page 126 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 B O A R D...
Page 127 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 � � ':::�;E �...
Page 128 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. Insert long leads into circuit solder the bent...
Page 129 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 ) . hole ( S- 1 ) ( S- 1 ) .
Page 130 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 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 P A R T #...
Page 132 Page 1-130 C E Z5 E R E C O N T I N U E IMPORTANT: Follow this Pictorial ONLY i f furnished type 2N6456 you were (#417-831). carefully have mind just what i s t o b e done and ho w you will t o it.
Page 133 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 t he excess...
Page 134 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) (cw) •...
Page 135 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 aft er you call~dd step. aw ay parts part . QTY. RESISTORS-CONTROLS /2-watt 5600 DET.
Page 136 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 Carrier Null...
Page 137 Page GEISE 0TY. DESCRIPTION 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 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 • • • ,; · � � 203-1596-3 Rear panel 204-102 Panel bracket Window bracket 204-1918 25 r...
Page 139 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 C E ES E # 0TY. # 6 Hardware head /2" #8 and #10 Hardware 250-456 253-19 Other Hardware...
Page 141 E ESE 0TY. • CONNECTORS-SOCKETS connector connector Wire connector Chassis connector ::J') ¥ » ...
Page 142 Page EATIHIT 0TY. DESCRIPTION HEATH CIRCUIT SHAFTS-BUSHINGS KNOBS � --:-- , MISCELLANEOUS FB (2) FB (4) 446-628...
Page 143 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 Parts" inside t h e rear cover this Manual. Your Warranty is located inside front cover. pricing information, refer separate "Heath Parts Price List." aligned. tamper with this circuit board; to do could decrease performance and will void the Warranty.
Page 145 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 C O N N E C T O R...
Page 146 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. If the /4''// compound gets into your clothing, the clothing may require professional cleaning.
Page 147 +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 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 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 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 L O C K W A S H ER...
Page 151 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 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 " • ( C ) •...
Page 153 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 ) . 1 ). ( l.1 · connection, each wire...
Page 154 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 coming from term B 6 t t rm F7 (S-1).
Page 155 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 ( S- 1 ) , S C R E W C I R C U I T...
Page 156 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 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" � 2 " ba e H 4 (S-1), (S-2), H2 (S-1).
Page 158 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. Then refer chassis lip.
Page 159 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 [�� 12-10C < fo �...
Page 160 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 Page 1-159 C E E EES E E ,• PICTORIAL 12-12 12-12 (#432-120) B O # 1 1 BO#11 wires. BO# 18: B0#17: wires. BO#1, � ) gray wire. Push the group o f wires through grommet BO# 1 6 : wires.
Page 162 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 • 1 «4 (cw) "...
Page 163 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: nnect...
Page 164 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 G R N - B R N , 8 R N 1_1...
Page 165 Page white-orange...
Page 166 Connect harness wires a s follows: wires wire t p , p sh essa ee Detail 12-18A. - 1 ) . Detail 12-18A...
Page 167 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 ° � � 00$Gcat PICTORIAL 12-18 /wni6read; 16%so «s-1.
Page 168 LEESE S AND CABLES P R P A R T I A N H S H 0 E N D nu+H i w -, , Page 1 0 ) for · 3 I 8 " p -"] J / 7 Cut a 1 - 1 / 2 "...
Page 169 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. �onne •...
Page 170 Page 1-168 IEEE CABLE HARNESS ORANGE PICTORIAL 12-20 (NCHr6) ¾ _ [ " rr rprrrr t • (CM) • •...
Page 171 CABLE HARNESS j,,. T W 151 «lid / 4 1 u R N Detail 12-218 Detail 12-21A...
Page 172 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 to solder l e ad o ther 7/8). $4). +vwvwv-v f ] [ K s -+v v w ww+ o» t%@I PICTORIAL 12-23...
Page 174 Page 1-172 G EES E G R O U N D I N S I D E R E A R P A N E L f f . f R f [ d REAR PANEL Place soft cloth your work bench prevent...
Page 175 Page 1-173 Detail 12-24C Detail 12-24E € « control nut. C o s s « r s · ( s u u 1 t o c r w A s t « ' L . 7 � # 6 • ·...
Page 176 E ES E (' 03) £ PICTORIAL 12-25 2" 21/2" P U S H W I R E I N T O T H E H O L E U N T I L C O M E S O U T T H E E N D T H E...
Page 177 Page 1-175 @ E r = A r r + O R A N G E S I R A N D E D W I R E W R A P A R O U N D Connect the other six wires coming from grommet BC A N D S O L D E R 4 R E D...
Page 178 IESE for th e following steps. ( S2, " Co y the 2-3/4" gray (s-1). %%.«vs s n ». lyossossn Connect shielded cables coming from grommet s e e+ i o (INCHES) ± ± • (CM) 1 ¢ •...
Page 179 Page 1-177 E EE E W H T W H T V I 0 G R A Y . - - � PICTORIAL 12-26...
Page 180 E ES E ± # 6 3 / 8 ° F L A T H E A D PICTORIAL 12-27 S H E E T M E T A L S C R E W panel and chassis carefully t o make sure n o wires have UNDER-CHASSIS W I R I N G 23/4"...
Page 181 l"7 S A V E O N E P I E C E wires _,..,, . · (4connect center conductor shielded cable R E M O V E O U T E R connect the shield wires yet. T A K I N G C A R E C UJ T T H E...
Page 182 Page 1-180 E # IEE E O P E N I N G O N E E N D W I T H P I E R S Detail 12-28D C U T O U T S T R I P S y·...
Page 183 under-chassis wiring against steps the Pictorials t o make sure there are no errors. (#4, This completes the under-chassis wiring. TOP CHASSIS 19($-1). • ss.a? , a nd /2" W I R E connected later. wire Detail 12-29A t/4n�ect the r ed wire coming from switch S2 section terminal intq...
Page 184 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 A N D P O R I O N...
Page 185 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 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 the gray wire coming from switch S3 section C r ed wire coming from white Connect the red wire coming from switch S 3 section C 7" will t o the three rectangular openings. Connec nine wires coming from BO#13 t o switch S1 M a ke.a position the rotors of all...
Page 188 Page 1-186 =eeejig R E M O V E C O V E R I N F R O M O NE ON L P E N C I L u?-] Detail 12-328 L � K W A S H ER � 4 - 4 0 N U T �...
Page 189 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 / FLAT Detail 12-32E...
Page 190 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) window into rabbets window hex spacers.
Page 191 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 2"...
Page 192 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. • strip and tighten the nuts. V F O A S S E M B L Y C O N N E C T O R 3 l a m p...
Page 193 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 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 • s a t , ± s n .
Page 195 Page 1 - 1 93 IEEE t o c K w A S H E R -4o vu1 Detail 12-33H B0#11 BJ6k � � £ ± ± ± ran ge onto ± .d .} } _ } ~! (al e ± ..:.r�..
Page 196 P age 1-194 ± r}_}_)__} )_j },j, V � � H 'J fl � 'i:J � '1 � � � - ., <f!J � � � � ] -1 w t - a u � w H r - 0 R G. □...
Page 197 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" hex head BG a d BH Be su t o posi...
Page 198 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 ? PE R E T A I N E R <_...
Page 199 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 " T H E c s .
Page 200 Page 1 - 1 98 EE5EE € GD » ... o • : : : o W W • ::: ¢ £ v o e v o e Oft4v 4 i t A N D € £T£ w o t AL ¢...
Page 201 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" S H A F T Detail 12-36C Detail 12-368 notches are up.
Page 202 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 Detall 12-37A ,.,,, ..
Page 203 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. HEATH ELECTRONIC CENTERS resilient TECHNICAL CONSULTATION The effectiveness o f our consultation service depends on...
Page 204 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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