Heathkit IO 102 Schematic

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Heathkit IO 102 Schematic

Extracted text from Heathkit IO 102 Schematic (Ocr-read)


Page 1

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Cl
: in 91 I
I TO N OF'
. 3; HIV SOURCE
DI
' SCHEMATIC OF THE
FRONT I massage To cm ®
: PIN? HEATHKIT
I I OSCILLOSCOPE
r I
1 ' MODEL 10-102
I I 10 L ON
I I VERTICAL
I I BOARD NOTES:
' I T0 150v
TO K or . souaca 1. RESISTOR AND CAPACITOR NUMBERS ARE IN THE FOLLOWING GROUPS,
-9v SOURCE E _Lca *- 40 I
IDENTIFICATION CHART . $339.1 lffi [0-le 330 1533' C750": 6 0-99 PARTS MOUNTED ON THE VERTICAL CIRCUIT BOARD.
VERT. IN Q : ,Wg . | > ' 100-199 PARTS MOUNTED ON THE SWEEP CIRCUIT BOARD.
P . I I 200-299 PARTS MOUNTED ON THE HORIZONTAL CIRCUIT BOARD.
, HEfiJEBEfiQRT MANugfiggéggR 5 BASING I : 300-399 PARTS MOUNTED ON THE POWER SUPPLY CIRCUIT
IN I I TOLON ' TOM ON BOARD-
417-83 L842 BAS I I 233% $1153? 41104199 PARTS MOUNTED ON THE CHASSIS.
,_. E l L
417-118 2N3393 I g) : .135ng 2. ALL RESISTORS ARE 1/2 WATT, 10%_ UNLESS MARKED OTHERWISE.
417-201 2 . ,- COLLECTOR BL VERTICAL I As: RESISTOR VALUES ARE IN OHMS IK=IOOO,M=I,OOD,DOOI.
x 829 Wax-k GND I '0! {Lei-I To
x, : ' K ON
417-221 T2582 EMITTER I VERTICAL CIRCUIT BOAR ' I T 7 >YERTICAL
TO +Isov SDEPI
- EMITTER some: CRT 4. THIS SYMBOL INDICATES A PART MOUNTED ON THE CHASSIS,
4 154 2N2369 BASE r---------------'--*-- H ____ Tocm PIN 2g] Rafi souaca ASTWATISM REM ALTHOUGH ITS LOCATION IN THE SCHEMATIC SUGGESTS OTHERWISE.
I I GR -

. cm I CW :J A411 r®1v+§1© ___ 5. THIS SYMBOL INDICATES A DC VOLTAGE MEASUREMENT,TAKEN
417-241 EL131 ) E g T T r ' ' mg. * (.53? $9125 + BEG-Wm WITH AN 11 MEGOHM INPUT VOLTMETER. FROM THE POINT INDICATED
417-169 MPFIUS DRAW I cm m We ms m 0"- m, [SOURCE 3- [240; '- Cr T0 CHASSIS GROUND. VOLTAGES ARE TAKEN UNDER THE FOLLOWING

SOURCE I '0 _ $1000 2100 firtnowgmoo fiééo 9" "9 1000} r "r - - -_ CONDITIONS AND MAY VARY 120%.
{MINER I m, m? 5 I A. N0 VERTICAL INPUT SIGNAL.
417,175 2N529 COLLE I EXT- MN m r : B. N0 HORIZONTAL INPUT SIGNAL.
4 8 59 0R SYNC-O T W I 'Iid I c. VERTICAL AND HORIZONTAL AMPLIFIER OUTPUTS BALANCED.
A E I cm I 3 D. SWEEP SWITCH AT EXT IN POSITION.
«mzr +
COLLECTOR I 9" 9'05 TEST $470 3:218»: g
d l L2002N2369 POINT 0111 (5 (5 (7/7 (7/8 . 6 * THIS VOLTAGE DEPENDS 0N OPERATING PARAMETERS OF
417 245 DAONI BASE I C +' - ~01 W I BL TRANSISTOR 3
EMITTER I XZQAm . Q .
' I B I WHT
- : : 7. H THIS VOLTAGE DEPENDS ON OPERATING PARAMETERS 0F
VR-9.l. 9.1V, - TRANSISTOR 0203.
56-19 I 9107 | IOKHZ
TO P ON C
25 ZENER 283536!" __ggopéFIzssz I 1;:2 ° 21:: Btu-WI 3, v THIS SYMBOL INDICATES CIRCUIT BOARD GROUND.
OOKHZ
BOARDRE .@ PM? I o . EXT IN (fw __
56_55 VR-36A. 36V, Iv FPO-$44 730K ~----I ------ !»-m- CY~-@~£D 9. = THIS SYMBOL INDICATES CHASSIS GROUND.
4mA ZENER I FOCUS
I 1' I R
: 570%90 4700 357%?) 5:368 H I HORIZONTAL EDI-':]--| DHE
56 56 4 4 BMI ' ' I F004 I féfio 33: 29! 3F"? | I20VAC
1N 1 9 GNDO U? L I + _. i i 1M; 660v f d. @1218an LEAD I
R _
HORIZ. E P -H ' 3'3, 50/60HZ
IN I.- l t : SMOOTH
57-27 1N207I ----------_------~---------~------d-_-------_--------n-----------------------------{G}------------I--_-J I v LEAD
E Ha;
-- I SLOW-BLOW
57-52 00-? 3 I
I (20: 1 : 9305
I :16207 '0' 9201 I . N _253 IW
| .1 MPFIOS . L TO CRT LT 1:336
PIN 9 220 1W {3304
I +9V SOURCE \H I'- -------------------
Tp R I m 230, |N2071 24OVAC-:
I 3023 ' 253;! :_ I
I : R308 _. I
l I 2583 ' _ 50/60HZ'
: <7 ® I ~9v SOURCE N 2230134: ' SMOOTH :
I I J ' IN20TI LEAD l
I
I , . : T TAB-.- I
| I A 90 :W 220 1W SLOW-BLOW
| DC I I _g'TT V I
I BALANCE" $- | _
I I ~. ! 9314 I
l @2000; 7* I, AISJO VT ) w , ) I W SW 200° 7" , _______________.____...l
115 , 9211/! 6203 , 9214 , R21! I W
I 0204 (100) fl-47QPF (470 (10K I T 5305 + 0312
To J (20" 71V X 3??3 70 :r: 'N
SOOFUAEV F #470 . .7 (c: E IO 180V TO i50V I 7wi 350V
E I 20203; ~ PF 2 [6205 l bOURCE POWER SOURCE Y .géSEZE
: YMT J7 :f§é%;iéi$23§V I L327; :37; 93,, 20"
7w ' I
: \, 0205 5% :ITO MpOF +9V m +120??? IN2071
I 5 CE.
I Namggfgg wm + C206 20206: O 2 _IJJSOURC
: HORIZONTAL '1 VR 411' l 10 OK : v
: POSITION 409}: : :- g
I «300% I :
I - o M TO CUT I
: 56! TDINIO I
I E9206 , Ram ..?. I SWEEII-DOBIZDESJDLFEQ :3:
I [000 £01m- V . ? ----L?!.EE_$.U.EE.ELE'5EE'IBBAEE- wm
'HORIZONTAL CIRCUIT BOARD I

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