Replacing The Main Parts - Sony HSR-1 Service Manual

3-4. REPLACING THE MAIN PARTS

3-4-1. Switching Regulator
Note : After turning off the main power, wait
five minutes or more before starting to
remove the switching regulator. There is
a danger of electric shock if the
switching regulator is removed
immediately after turning off the main
power.
Removal
1. Remove the top panel. (Refer to section 3-3-1.)
2. Remove the seven screws and remove the U-stay
(F) assembly.
3-6
U-stay (F) assembly
PWH 3x6
Position setting hole
Notch
"A" portion
Protrusion
Front frame
Square hole
MA-93 board
PWH 3x6
Position
setting hole
Protrusion
HSR-1/1P
HSR-2/2P