51
PDM-4220
PDM-4220
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
(M3x8)
fixing
SDM
at
6
locations.
(2) Pull out the SDM board horizontally and disconnect the connectors (CN34, CN35).
(3) Release the lock of the FPC connector (CN31) and disconnect the signal cable.
(4) Disconnect the cables from the VH connectors (CN32).
(5) Remove the fixing screws (M3x8) fixing YSUS at 5 locations and rod at 2 locations.
(6)Remove the Y-SUS board. Make sure that you do not to hold the heat sink when removing
the Y-SUS board.
* On handling t he FPC connect or
To release the lock, release it by gent ly flipping it
w ith the na il o f the thumb or forefinger.
Never pinch t he lock leve r wit h fingers or hook
onto it (especially with fingernails). Doing so
might damage the lock leve r.
Note
Note
Pull out
(2)CN34
(2)CN35
(1)
(1)
(1)
(1)
(3)CN31
(4)CN32
(5)
(5)
(5)
(5)
(5)
Pull out
(1)
(1)
(5)
(5)
Summary of Contents for PDM-4220
Page 34: ...34 PDM 4220 PDM 4220 MEMO ...
Page 35: ...PDM 4220 35 Block diagram ...
Page 50: ...50 PDM 4220 PDM 4220 3 ...
Page 52: ...52 PDM 4220 PDM 4220 4 ...
Page 54: ...54 PDM 4220 PDM 4220 5 ...
Page 56: ...56 PDM 4220 PDM 4220 6 ...
Page 58: ...58 PDM 4220 PDM 4220 2 ...