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Alarm Clock
GC-1107
Heathkit GC-1107 Manuals
Manuals and User Guides for Heathkit GC-1107. We have
1
Heathkit GC-1107 manual available for free PDF download: Manual
Heathkit GC-1107 Manual (41 pages)
Brand:
Heathkit
| Category:
Alarm Clock
| Size: 13.39 MB
Table of Contents
Table of Contents
4
Introduction
4
Parts List
5
Resistors
5
Transistor-Integrated Circuits
6
Switches - Insulators
6
Step-By-Step Assembly
9
Circuit Board Assembly
10
12-Hour Display
11
24-Hour Display
11
Alternate Line Voltage Wiring
16
120 Vac Wiring
16
240 Vac Wiring
16
Circuit Board Checkout
18
Cabinet Assembly
18
Initial Tests
22
Instrument Tests
22
Operational Tests
22
Final Assembly
24
Operation
26
To Set the Time
27
To Set the Alarm
27
In Case of Difficulty
28
General Troubleshooting Information
28
Troubleshooting Chart
29
Specifications
30
Circuit Description
31
Circuit Board X-Ray View
32
Semiconductor Identification Charts
33
Diodes
33
Transistors
33
Integrated Circuits
33
Readout Tube
35
Replacement Parts
39
Technical Consultation
39
Repair Service
39
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