Sony KE-42TS2E / KE-42TS2U Service Manual ▷ View online
54
5.5
ABUS-R Circuit Board Removal/Installation Procedure
When removing the circuit board after the main power is turned on/off, wait for at least one minute
before starting to remove the circuit board.
If the circuit board removal is started immediately after turning off the main power, it can result in
electric shock or damage of the circuit due to residual electric charge.
Remove the circuit board by following the steps below. To install the circuit board, reverse the removal
procedure.
(1) Disconnect the connector CN42 on the ABUS-R board.
(2)
Raise the lock of the FPC connectors CN43, CN44, CN45, CN46 to release it and disconnect the
ADM flexible board.
(3)
Release the lock of the FPC connector CN41 and disconnect the signal cable (FPC).
Note
* On handling the FPC connector
To release the lock, release it by pulling
up the lever.
up the lever.
Never pinch the lock lever with the fingers
or push hard on it without a cable in it.
Doing so might damage the lock lever.
(3)CN41
(2)CN46
(2)CN45
(2)CN44
(2)CN43
(1)CN42
Note
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(4) Remove the screws (M3X8) fixing the ADM at the 8 locations.
(5) Remove the screws (M3X8) fixing the ABUS-R board at the 3 locations.
(6) Remove the ABUS-R board.
(7) When installing the ABUS-R board, place it so that the ABUS-R board is locked by the
tabs for fixing it in position (at 3 locations).
5
ADM(4 locations)
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5.6
LOGIC Board Removal/Installation Procedure
Remove the circuit board by following the steps below. To install the circuit board, reverse
the removal procedure.
(1)
Disconnect the EH connector CN6.
(2)
Release the lock of the FPC connectors CN2, CN3, CN4, CN5 and disconnect the signal cable
(FPC).
(FPC).
(3)
Slide the lock of the FPC connector CN7 toward the PSU board side, then press it down toward
the front and remove the PSU signal cable.
the front and remove the PSU signal cable.
* On handling the FPC connector
To release the lock, release it by gently
flipping it.
Never pinch the lock lever with the fingers
or hook onto it (especially with
fingernails). Doing so might damage the
lock lever.
Note
（2）CN2
（2）CN4
（2）CN5
（2）CN3
（3）CN7
（1）CN6
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(4)
Remove the screws (M3×8) fixing the LOGIC board in position at 2 locations.
(5)
Remove the LOGIC board.
(6)
When installing the LOGIC board, place it so that the LOGIC board is locked by the tabs for
fixing it in position (at 3 locations).
fixing it in position (at 3 locations).
1
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