Sony Trinitron KV-32TW77 - Mini-Transistor Removal and Mounting

2-8-4. MINI- TRANSISTOR
REMOVAL
* Using two soldering irons
1) Put a little solder on the tip of two soldering irons.
y
Wire solder
2) Apply the tip of one soldering iron to the point
“a” and the other to the points “b” — “c” (or
“b” —> “qd” —» “c”) and move the component in
the directions indicated by arrows in the figure
to remove it.
KV-27TW77/27TW78
KV-32TW7 W32TW78
MOUNTING
1) Apply a little flux to the land with a brush.
_
a
=a
ca
bea_—_
—_—m* da
ca——_
2) Place the component in position using tweezers.
Yi b——_—~ Tweezers
is
‘S
3) Put a little solder on the tip of the soldering iron
and solder the point “a” to fix the component.
a Soldering iron
4) Bring the tip of the soldering iron and the wire
solder close to the point to be soldered. Solder
the points “b” —> “c” (or ph? —» “qr —> He) in
order.
Soldering iron
al
Wire solder
9G