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1-5-2. PR-337 Board
1. Remove the two screws.
2. Remove the LE-415 board from the connec-
tor on the PR-337 board with the bracket.
3. Remove the two screws and open the PR-337
board in the arrow direction.
4. Disconnect the 10 harnesses from the connec-
tors on the PR-337 board, and remove the
PR-337 board.
n
Remove the radiation sheets from IC204, IC301,
and IC801, and then reattach them to the same
ICs on the new PR-337 board.
5. Make settings of the DIP switch (S1201) on
the new PR-337 board. (Refer to Section 1-3.)
6. Install the removed parts by reversing the
steps of removal.
n
After the PR-337 board is replaced, set the serial
number in "S10 SERIAL NO." of the SERVICE
menu. (Refer to Section 3-4.)
1-8
B3
8
LE-415 board
Connector
PR-337
IC301
board
IC801
IC204
Radiation
sheets
Harnesses
HDVF-EL70
ON
1
8
S1201
B3
5
PR-337 board
PR-337 board
HDVF-EL75
ON
1
8
S1201
HDVF-EL70/HDVF-EL75
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