Sharp AN-S422E, Service Manual

Page: 17 / 178

17
XG-V10WE
AN-SD1E/S422E
4. Removing the PWBs
4-1. Remove the two lock screws from the DVI connector.
4-2. Remove the five lock screws from the PC I/F PWB. Lift this PWB off the output PWB unit.
4-3. Remove the four lock screws from the cooling fan. Remove the lock screw from the output sub-PWB unit and
disconnect the connectors. Lift the cooling fan and the output sub-PWB unit off the output PWB unit.
4-4. Disconnect the connectors from the output PWB unit.
4-5. Remove the four stud bolts and eight lock screws from the output PWB unit. Lift and detach the output PWB
unit.
4-6. Disconnect the connector (SP) of the signal PWB unit.
4-7. Remove the eight lock screws from the side terminal board.
4-8. Remove the lock screw from the terminal cover and detach the terminal cover.
4-9. Remove the three lock screws from the grounding plate behind the terminal cover and detach the grounding
plate.
4-10. Detach the terminal board from the left-side panel. Lift the input PWB unit and the signal PWB unit off position.
4-2
4-3
4-6
4-5
4-4
4-10
4-5
4-5
4-5
4-5
4-7
4-9
4-7
4-1
4-8
(TOP VIEW)
(F4) (F8)
(S8)
(RL) (D) (EA) (F5)
(BP)
(TP)
(KY)
(RP)
(S7)
(F7) (F6)
(S4)
(S3)
(AZ)
FRONT
(S5)
(GP)
(AS)
(F1)
(RE)
(L)
(F3)
(F2)
(RD)
(LL)
(EC)
PC I/F PWB unit
Cooling fan
Output sub-PWB unit
Output PWB unit
Output
sub-PWB
unit
Output
PWB unit
Input PWB unit
Left-side panel
`
Signal PWB unit
`
Note: When reassembling, fit
the projection of the
terminal PWB shield in
the positioning hole of the
left-side panel.