Sony Ipela SNC-CS50N, Service Manual

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1-4 (E)
SNC-CS50N/CS50P
1-4-3. PR-291 Board
Removal
1. Remove the cabinet. (Refer to Section 1-3.)
2. Remove the switching regulator.
(Refer to Section 1-4-2.)
3. Disconnect the two harnesses from the connectors
(CN656 and CN658) on the PR-291 board.
4. Disconnect the two flexible flat cables from the
connectors (CN655 and CN659) on the PR-291 board.
5. Remove the four screws, then remove the PR-291
board in the direction shown by the arrow.
Installation
6. Install the PR-291 board in the reverse order of steps 3
to 5.
7. Assemble this unit in the reverse order of steps 1 and
2.
1-4-2. Switching Regulator
Removal
1. Remove the cabinet. (Refer to Section 1-3.)
2. Remove the five screws, then remove the switching
regulator.
3. Disconnect the four harnesses from the connectors
(CN100, CN101, CN200 and CN201) of the switching
regulator.
Installation
4. Attach the switching regulator in the reverse order of
steps 2 and 3.
5. Assemble this unit in the reverse order of steps 1 to 4.
Switching
regulator
Harnesses
Harnesses
BSW
M2
x
5
CN201
CN200
CN101
CN100
PR-291 board
Harnesses
Flexible flat cables
BSW
M2
x 5
CN658
CN659
CN656
CN655