Fisher 90 R Service Manual

Page 1

THE FISHER 90-
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MODEL 90-R

SERIAL NUMBERS
19999 AND BELOW

. PRICE: $1.00

THE FISHER 90 -R

FISHER RADIO CORPORATION ' NEW YORK

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Page 4

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SCHEMATIC DIAGRAM
THE FISHER 90-R

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CIRCUIT CHANGE: niis modincmion is designed io imprcve re
jedion oi igniiion interferente. Remove resisior n21. Inslead oi groundr
ing pin 3 oi 23, inserl u ISOAK eomposiiion resisior and o 474w!
eeromie eopoeiior in poronei Ia ground. Remove R17. wire pin 1
(coihode) oi v5 direuly '0 ground Tune lo FM smlion ond peak 2:),
primary and neeonoory, «or maximum closure on iuning Indicator] using
KJrun iooi. Pam required: one 15o-x compoeiiion resislor, 10%, V2
won, and one 47w! (erumic capacilor, io°/..

Ins-i1 no
30750 mus