Hitachi ED-X31EP Service Manual page 40

(1) Attach the CNGD2. (Attach the lamp house with this screw too.)
Attaching the power unit
(2) Pass the power fan and the CNBAR through the ballast holder slit.
(3) Attach the CNLAP to the lamp holder (bottom case). Make sure not to damage the lead.
Wiring of the power unit attaching
(4) Pass the RG panel fan and the E1 through the panel duct slit. Attach them to the panel duct.
(5) Connect the CNRM to the remote board. Then attach the remote board to the bottom case.
(6) Pass the CNRM through the lead holder of panel duct.
(7) Pass CNBAR through power unit lead holder. Then, Attach power unit lead holder to ballast holder.
remote board
Pass CNRM through the lead holder
of panel duct.
CNRM
B
Panel
fan
Pass the RG panel fan and the E1
through the panel duct slit.
E1
RG
Panel
fan
Lamp
fan
Make sure not make the excessive length at the fan side.
Power
E2
CNBAR
fan
exhaust
CNGD1 TSW CNPW
fan
Wiring diagram 7
Pass power fan lead through ballast
holder slit.
Power unit lead holder
Pass CNBAR through power unit lead holder.
Attach CNBAR to box with tape.
Confirm that tape does not peel off.
Confirm that tape does not peel off.
Make sure not to damage the CNLAP (igniter lead)
by lamp house when you attach the CNLAP.
Make sure not to put the CNLAP on the step of the
bottom case.
Otherwise, it suffers stress to the connector.
(See the below figure)
CNLAP
To ballast
bottom case
NG
The connector is put on
OK
the step, the connector is
being suffered the stress.
CNLAP
CNGD3
CNGD2