Heathkit GC 1195 Schematic

Page 1

HEATHK|T®

DIGITAL FLOOR CLOCK /
DIGITAL SHELF CLOCK

MODEL GC-1195/GC-1197 :' a ----
NOTES: :
1. ALL RESISTORS ARE 1/2-WATT. VALUES ARE SHOWN IN :4. COMPONENTS ARE NUMBERED ON THE SCHEMATIC IN THE E
OHMS IK=1000L FOLLOWING GROUPS: :
. 1-10 PARTS ON THE CHASSIS
2. CAPACITOR VALUES ARE SHOWN IN MICROFARADS. 101_150 PARTS ON THE POWER CIRCUIT BOARD_ E
201 - 250 PARTS ON THE DISPLAY CIRCUIT BOARD. F I
3. SYMBOLS: I :
D= LETTERED CIRCUIT BOARD HOLE. * THIS VOLTAGE IS NOT FILTERED AND MAY VARY GREATIéY :
- 0N MOST VOLTMETERS. THIS VOLTAGE ALSO DEPENDS N . l
v - CIRCUIT BOARD GROUND' THE LDR RESISTANCE AND WILL BE LESS IN DIM AMBIENT : |
'5 = CHASSIS GROUND. LIGHT. :
= I
O 3 VOLTAGE ** THESE RESISTORS MAY BE A DIFFERENT VALUE. I I
V WAVEFORM SEE PAGE 36 OF THE MANUAL. :
. . - I
7W/I7'W/W/fl/flfl/fl7/JV/ZflflW/M/7/////7W/é/////////////W/Wfl/////.//fl/fl/fl/W/fl/Wfl/fl/flfl/Vfl/IV/fl/é : RZI
......................... , /
g I 2 2 g : '2?
/ '1' E / I
T . ' . . . , , z / I
g ........... ........... 3 ............ i ........... .......... i ............ ........... Z :
x/ 3 : 5 5 E w} 5 f E <-j---+ 7-8V I
g I I i 5 1 "I: : j E // I
g 5 I I : I I E g :
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5M SEC/CM +--~

C704 TIME ADVANCE
$.01 FAST SLOW 26 23

240 VAC
WIRING

1/4'AMP

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$91 443-848
BLK~ RED 417 -301 1
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15 K

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1/2 AMP

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POWER
CIRCUIT BOAR D

INDEED LEAD

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