Heathkit SG-8 Assembly And Operation Manual page 12

nal will have to be changed
rhead of the second « tector. In addition, the freque: cy of the RF sign
the trouble n.ay prov): somewhat difficult to isolate
Sist of major é imarily isolati
audio signal obtained from the Heathkit RFs
input of the first audio stage (Point H in Figt
mediately that the entire audio section of the
stages for the time being.
€ y t
enerator 'may! be used to ) injec a signal at the
w im 3
Ww ait
eceiver is operating and can forget about these
we Arm
Var ations of a sisnal injection technique may be used for servicing FM and TV receivers as
well as the he 'ein discussed AM receivers and audio amplifiers.
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sPEANeR
POWER
SUPPLY Figure 18
REPLACEMENTS
athkits has been carefully selected to meet design requirements and
unction without difficulty. Occasionally improper instrument opera-
si0 £109 Witiit? Ne NA eae y Ape Ups sum
t
faulty tube or component. Should inspection reveal the necessity for re-
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ta ja}
placement, write to th: Heath Company and supply all of the folowing information:
A. Thoroughly identify the part in question by using the part number and description found in
the manual parts list
B. Identify the type aud model number of kit in which it is used.
C. Mention the order number and date of purchase.
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ihe reath UOmpaly Will pr mere IpUy Supply the nNCevessaLly replacement. Fitase ao noe retur il the
original component until specifically requested to do so. Do not dismantle the component in