Diagnosis - Christie DS Series Service Manual

6. Diagnosis

Do not light the light source with the upper case opened because this projector is equipped with
a laser light source.
■ Check points
INPUT PCB
EW36:
EZ02:CNUAR
Connected to Laser
connect
temperature sensor
E806:LD2_FAN
connect
E810:Connected to
MAIN POWER UNIT FAN
EW35:Connected to
Phosphor wheel temperature sensor
E302:CNLED
E811:Connected to
Phosphor wheel FAN
connect
LED PCB
NOTE:
1) The picture above shows the inside of the projector after the UPPER CASE is removed.
To access the components of the INPUT PCB shown in the picture, you need to detach the block
including the MAIN PCB and to separate the I/O PANEL and the I/O METAL from the block.
2) Wiring shown in this picture may differ from mass-products. Refer the chapter of "Wiring
diagram" to check the proper wiring.
3) The component IV01 is located on the reverse side of MAIN PCB.
LWU900-DS/LHD878-DS/LWU755-DS
Service Manual
LWU900-DS / LHD878-DS / LWU755-DS
WARNING
REAR REMOTE
CONTROL PCB
EW34:Connected to
EP05:CNRCR
Laser temperature
connect
sensor
E800:CNMPW1
E301:CNKEY
connect
E808:Connected to
connect
LD4 FAN
POWER UNIT
(CIRCUIT MAIN)
KEYPAD PCB
MAIN PCB
EM04:CNSSH
LCD LENS PRISM
connect
EM02:CNLAD
LCD LENS PRISM
connect
EW71:Connected to
Phosphor wheel motor flexible cable
EW76:CNOPR ILLUMINANCE
connect SENSOR BLUE PCB
EM03:CNSSV
connect
LCD LENS PRISM
19
POWER UNIT
BATTERY PCB
(CIRCUIT SUB)
E820:CNMPW2 EL50:CNBAT E804:PBS_FAN
connect connect
connect
E807:LD3_FAN
connect
E809:SUB POW FAN
connect
LCD LENS PRISM
EM05:Connected
to Shift Mech.
E801:R FAN
connect
DRIVE PCB
P501, P601, P701:Connected to RGB Panel flexible cable
EW32:CNFL2
NTC-IN PCB
connect
EW31:CNFL1
NTC-OUT PCB
connect
E805:LD1_FAN
connect
E802:G_FAN
connect
EW77:CNOPR
ILLUMINANCE
connect SENSOR RED PCB
E822:CNACR
MAIN P.RELAY PCB
connect
EP03:CNRCF
FRONT REMOTE
connect CONTROL PCB
E803:B_FAN
connect
EM00:Shift Mech.
LCD LENS PRISM
V motor connect
EM00:Shift Mech.
LCD LENS PRISM
H motor connect
020-001586-01 Rev. 1 (02-2021)
LIT MAN SERV DS Series