Olympus OEP-3 Service Manual page 86

2-3-5. Replacement of Switching Regulator
1. Remove the top cover. (Refer to Section 2-2-1.)
2. Remove the VPR-63 board. (Refer to Section 2-3-1.)
3. Remove the rear panel assembly.
(Refer to Section 2-2-3.)
4. Remove the SY-282 board. (Refer to Section 2-3-2.)
5. Remove the four screws (BVTT 3 x 6), then remove
the SY frame.
6. Disconnect the harnesses from the two clampers.
7. Disconnect the three harnesses from the connectors
(CN901, CN902, and CN903) of the switching
regulator.
8. Remove the four screws (PS 3 x 6), then remove the
switching regulator.
PRT-13 board
(CN301)
SY frame
PRT-13
board
(CN302)
Clamper
VPR-63 board
BVTT 3x6
(CN104)
Clamper
Harness Harness
Connector
(CN903)
Connector
Connector
(CN902)
(CN901)
PS 3x6
9. Install a new switching regulator in the reverse order
of steps 1 to 8.
2-6
2-3-6. Replacement of PRT-13 Board
1. Remove the top cover. (Refer to Section 2-2-1.)
2. Remove the front panel assembly.
3. Disconnect the six flexible flat cables from the
4. Disconnect the two harnesses from the connectors
5. Remove the four screws, then remove the PRT-13
BVTT
3x6
Switching
regulator
Connector
PS 3x6
6. Install a new PRT-13 board in the reverse order of
(Refer to Section 2-2-2.)
connectors (CN303, CN304, CN306, CN401, CN501,
and CN601) on the PRT-13 board.
(CN302 and CN505) on the PRT-13 board.
board.
Flexible flat cable (14-pin)
Flexible flat
Harness
cable (18-pin)
Connector
(CN302)
Connector
(CN303)
Flexible flat
cable (28-pin)
BV 3x6
(CN304)
steps 1 to 5.
Flexible flat
cable (24-pin)
Connector
(CN501)
BV 3x6
Connector
(CN401)
Connector
(CN306)
Harness
Connector
(CN505)
Connector
(CN601)
PRT-13
board
OEP-3 V1 (UC)