Panasonic SA-AK15 Servlce Manual page 15

SA-AKI5
2. Replacemgnt of the Power Amplifier lC and Regulator Transistor.
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Follow the procedures in
'Checking of the l\,4ain, Panel, Deck and Servo P.C B. ( Step 1 - Step 3 )
and remove the CD chanqer unit.
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@ x 2
Front Panel
Bottom Chassis
Disconnect the CN301 and pull out the front panel in the
direction of arrow shown on the left.
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Unsolder lhe terminals of Power lC or Regulator Transistors on
the solder surface.
H e a t s ¡ n k
Bottom Chassis
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R e m o v e t h e h e a t s i n k a n d t a k e o u t t h e M a i n P C . B .
- t -
P o w e r l C
rc305
( R S N 3 s H 1 )
R e g u l a t o r T r a n s i s l o r
Q 5 2 3 . Q 5 0 5 , Q 5 1 7
Power lC
Fegulalor Transistor
t c 3 0 5
Q 5 2 3 , Q 5 0 5 , Q 5 1 7
( K T D 2 0 5 B Y G R T A ,
2 S D 2 3 9 5 E , 2 s B 1 5 6 6 E )
o @
[XTB3+8JFZ] (Black)
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Remove 3 screws which fixed to the
Power lC and Transistor Holder.
then remove Power lC. Transistor
Holder and Regulator Transistors.
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{ri
M a i n P . C . B . ( s o l d e r s u r f a c e )
[XTW3+15T] (Brass)