Heathkit THUMB TACH GD-69 Assembly And Operation Manual

Assembly
and
Operation
TH
U
MB TACH
MODEL GD-69
TABLE
OF CONTENTS
Introduction.
Parts List.
Step-By-Step AssemblY
Circuit
Board AssemblY
Notes.
Circuit Board AssemblY.
.
.
Circuit
Board
Wiring.
. .
.
Parts
Mounting-Cabinet Front.
Wiring.
Adjustments
Final Assembly.
.
.
Operation.
In
Case Of
DifficultY
Specifications.
. .
.
Circuit
Description.
Circuit Board X-RaY
View.
.
Voltage Chart.
Schematic.
. . .(fold-out from
page).
.
Replacement
Parts Price List. .
.
2
2
4
4
9
19
2l
22
23
23
23
24
10
10
tz
l4
16
Warranty
Inside
front
cover
Customer
Service
.
Inside rear cover
HEATH COMPANY
BENTON
HARBOR, MICHIGAN
49O22
@
THUMB
@
Reg.
U.S. Pat. Off.
z