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0.
POWER
TRANSISTOR
RE-
PLACEMENT
-
When replacing a
power t r a n s i s t o r , be s u r e to:
A. Use the t r a n s i s t o r specified
i n the Replacement P a r t s List.
B. Coat both sides of t r a n s i s t o r
insulator
with
DC-4
g r e a s e
(Motorola P a r t No. 11 M490487)
to i n s u r e p r o p e r head dissipa-
tion.
C. S e c u r e l y and evenly tighten
the t r a n s i s t o r mounting screws.
7.
REAR SPEAKER AK-401
-
The
r e a r speaker used with this radio
has an 8 ohm voice coil, therefore,
when replacing t h i s speaker, u s e
an
exact
Motorola
Replacement
P a r t .
TRANSISTOR RECEIVER
SERVICE M E T H O D S
Trouble shooting t r a n s i s t o r radios
i s
basically s i m i l a r to servicing
'ube sets.
F i r s t i s o l a t e the defec-
ive stage through signal injection;
lext, through the u s e of voltage and
mesistance
m e a s u r e m e n t s ,
plus
dotorolals servicing tools, d e t e r -
nine
the n e c e s s a r y
maintenance
Bequired.
Motorola's
servicing
nethods and aids, when properly
med, can help m a k e t r a n s i s t o r s e r -
rice e a s i e r .
lefer
to
"Profitable
T r a n s i s t o r
,Cadi0 Servicing" manual (Motorola
P a r t No. 68P60011A53) and IIA Dis
cussion Of T r a n s i s t o r i z e d C a r Ra-
diosfl manual (Motorola P a r t
No.
68P64980A51).
PUS HBUllON REMOVAL
LIFT PUSHBUTTON RElAlNlNG SPRING
AND P U U BUlTON STRAIGHT BACK.
TO REPLACE, PRESS PUSHBUTTON I N
FIRMLY UNTIL RETAINING SPRING
SNAPS INTO LOCKED POSITION.
PUSHBUTlMlN REMOVAL
EMBLY & SPEAKER
UPPORT ASSEMBLY
RADIO SPEAKER
INSTRUMENT
PANEL
RADIO ASSEMBLY
L A J
SPEAKER MOUNTING
INSTALLATION INSTRUCTIONS
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