Sony KE-42TS2E / KE-42TS2U Service Manual ▷ View online
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5.3
Y-SUS 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 to 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)
Remove the fixing screws (M3×8) at 9 locations.
(2) Release the lock of the FPC connector (CN31) and disconnect the signal cable.
(3) Disconnect the cables from the VH connectors (CN32, CN33).
(4) Pull out the YSUS board horizontally and disconnect the connectors (CN34, CN35).
Note
* On handling the FPC connector
To release the lock, release it by gently flipping it with
the nail of the thumb or forefinger.
the nail of the thumb or forefinger.
Never pinch the lock lever with fingers or hook onto it
(especially with fingernails). Doing so might damage the
lock lever.
(especially with fingernails). Doing so might damage the
lock lever.
(3)CN32
(3)CN33
(2)CN31
(4)CN35
Pull
out
Pull
out
(4)CN34
51
(5)Remove the Y-SUS board.
Make sure that you do not to hold the heat sink when removing the Y-SUS board.
3
52
5.4
ABUS-L 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 CN52 from the ABUS-L board.
(2)
Raise the lock of the FPC connectors CN53, CN54, CN55 and CN56 to release it and remove the
ADM flexible board.
ADM flexible board.
(3)
Release the lock of the FPC connector CN51 and disconnect the signal cable (FPC).
Note
* On handling the FPC connector
To release the lock, release it by pulling 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.
Note
(3)CN51
(1)CN52
(2)CN55
(2)CN54
(2)CN56
(2)CN53
53
(4) Remove the screws (M3X8) fixing the ADM at the 8 locations.
(5) Remove the screws (M3X8) fixing the ABUS-L board at the 3 locations.
(6) Remove the ABUS-L board
(7)
When installing the ABUS-Lboard, place it so that the ABUS-Lboard is locked by the tabs for
fixing it in position (at 3 locations).
fixing it in position (at 3 locations).
ADM(4 locations)
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