Section 2
Replacement of Main Parts
2-1. Replacing the Switching Regulator3. Disconnect the harness from the connector on the
lower part of the switching regulator, and remove one
cscrew.
When opening the side panel during or immediately after4. Lift the switching regulator upwards, and remove the
use of the unit, be careful as the board panel is very hotharness from the connector.
and touching it may result in burns. When opening the side5. Remove the switching regulator while paying careful
panel to perform inspections and adjustments, turn off theattention not to scratch the flexible card cable and
power and wait 10 minutes for the unit to cool down first.harness.
1. Remove the right side panel and top panel. (Refer toSwitching
Section 1-4 in the installation and maintenanceregulator
manual.)
2. Pull out the card boards (PS-538 board, AU-273N/
273P board, DA-121 board, IF-633 board, DPR-148
board) along the groove of the board rails to remove.
PS-538 boardB3 x 6
AU-273N/273P board
DA-121 board
DPR-148 board
IF-633 board
6. Attach the new switching regulator in the reverse order
of steps 1 to 5.
CA-950/950P MM V12-1 (E) |