Power Supply Assembly - Oki Microline 520 Service Handbook

%3.2.08 Power Supply Assembly

3.2.08 Power Supply Assembly
1. Perform these procedures: 3.2.01 and 3.2.06.
2. Use a straight slot screwdriver to detach the claws from both sides of the cable clamp (1).
3. Remove the cable clamp (2).
4. Detach the transformer cable from connector CN3 (3) of the control board (4).
5. Detach the cable from the connector (5) of the filter board (6).
6. Use a straight slot screwdriver to free the transformer from the holding clamp (A), position the
screwdriver in the direction of the arrow (7) twist the screwdriver while pushing the transformer
(8) towards the control board .
7. Lift and remove the transformer assembly.
8. Remove the screw (9) from the ground wire of the filter board.
9. Use a straight slot screwdriver to detach the claw (10), tilt the filter baord upward, then work the
AC inlet and the AC switch free.
10. Lift and remove the filter board assembly.
NOTE:
When installing, verify that the AC inlet and AC switch are oriented correctly.
P/N 56412401 Transformer: 120 V ML520 RSPL 520 B.2.03
P/N 56412402 Transformer: 120 V ML521 RSPL 521 B.2.03
P/N 55073201 PCB: Filter 120 V RSPL Both B.2.03
P/N 50707501 Clamp: Cord RSPL Both B.2.03
P/N 56306201 Fuse: 1A 250V (Filter Brd 220V) Option RSPL Both B.2.03
P/N 56306101 Fuse: 2.5A 125V (Filter Board) RSPL Both B.2.03
ML520/521 ( 96-02-04 )