Sony WLL-RX55, Maintenance Manual

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1-21 (E)
WLL-RX55
2
B3 x 6
3
B3
x
6
1
B3 x 6
4
B3 x 6
PS assembly
5. Remove the four screws.
6. Disconnect the harnesses from the connectors P1 and
P51 on the switching regulator, and remove the
switching regulator.
7. Install a new switching regulator in the reverse order
of removal.
n
When reattaching the PS assembly, tighten the four
screws sequentially in accordance with the figure.
1-9-2. Replacing the PS-667 Board
1. Remove the top cover. (Refer to Section 1-4-1.)
2. Remove the switching regulator.
(Refer to Section 1-9-1.)
3. Remove the three screws.
4. Disconnect the harnesses from the AC inlet, and
remove the PS PWB front bracket.
PSW3 x 6
PSW3 x 6
P1
P51
Switching regulator
PWH3 x 6
PS PWB front bracket
PWH3 x 6
AC inlet