Replacement Of Ac.dc/Dc Convertor - Sony CA-755 Maintenance Manual

1-8. Replacement of AC.DC/DC
Convertor
CAUTIONS
. To avoid electric hazards, the power to the unit should
be turned off during replacement. Before beginning
replacement, be sure not only to turn off the power
switch but to disconnect the cables from the TRIAX or
DC IN connector.
. The power block will go very hot during operation. If
you remove the side panel and touch the power block,
there is some danger to get burned. When you open the
side panel for replacement, please allow for at least 10
minutes after powering off until the inside cools off.
n
. Every electrical part used in the AC.DC/DC convertor
cannot be replaced. If there is any defective part, replace
the convertor block itself.
1. Remove the right side panel. (Refer to Section 1-5.)
2. Disconnect the IF-607 board.
IF-607
CA-755/755P

1-8. Replacement of AC.DC/DC Convertor

3. Remove the three screws and pull out the AC.DC/DC
convertor.
4. Disconnect the three connectors.
Press to
unlock
AC.DC/DC convertor
5. Remove the two screws and remove the retainer.
6. Install a new AC.DC/DC convertor in the reverse
procedures of the removal.
B3 x 5
B3 x 5
Connectors
Retainer
B3 x 4
1-11 (E)