Christie DD1-WU80P, Service Manual

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DWU951 (DD1-WU80P/81P) / DWX951 (DD1-WX80P/81P) / DXG1051 (DD1-X100P/101P)
DWU951/DWX951/DXG1051 Service Manual
020-000674-01 Rev.1 (01-2014) Page 14 / 118
NO
FAN ERROR is detected.
5V or less
Replace MAIN PCB.
OK
Replace MAIN PCB.
OK
Replace LAMP UNIT.
about 12V
NG
NG

(8), (9): FAN1, (12), (13): FAN4
Measure
voltage at pins (9) and (13)
of E802.
Observe
the voltage waveforms
at pins (8) and (12) of
E802.
about 12V
5V or less
Replace DC RELAY PCB.
NG
OK
Replace DC RELAY PCB.

ED08: FAN2, ED07: FAN3, ED03: FAN9, ED02: FAN10
Observe
the voltage
waveforms at pin (1) of
connectors*** for fans in
the DC RELAY
PCB.
2, 3, 9, 10
Try
replacing the LAMP
UNIT.
Is
voltage
supplied to the pin (2)
of connectors*** for fans in
the DC RELAY
PCB?
NG
Replace POWER UNIT CIRCUIT2.
(5): +14.3V
(7): GND
Is voltage
supplied at pins (5) and
(7) of E801 on the MAIN
PCB?
1, 4
about 12V
5V or less
Replace MAIN PCB.
Is voltage
supplied to the pin (2)
of connectors** for
fans?
?
the FAN number*
displayed in the Status
Monitor.
5, 6, 7, 8
NG
Re-attach LAMP DOORs.
OK
?
LAMP DOORs are attached
correctly.
**: E803, E804, E805, E808
OK
Replace MAIN PCB.
NG

E803: FAN5, E804: FAN6,
E805: FAN7, E807: FAN8
Observe
the voltage
waveforms at pin (1) of
connectors** for
fans.
***: ED02, ED03,
ED07, ED08
*: FAN1: LAMP 1 EXHAUST FAN FAN2: LAMP 1 UP FAN
FAN3: LAMP 1 DOWN FAN FAN4: LAMP 2 EXHAUST FAN
FAN5: LAMP 2 UP FAN FAN6: LAMP 2 DOWN FAN
FAN7: POWER EXHAUST FAN FAN8: POWER INTAKE FAN
FAN9: BALLAST FAN
FAN10:IRIS FAN