Shutdown System - Panasonic PT-RZ470 Series Service Manual

6. 2. Shutdown system

When something wrong such as stop of fan happens, the projector has a function to be on standby immediately.
Monitor LED indication
No flashing or blinking
STANDBY/ON LED: Red
TEMP LED: Lights
TEMP LED Blinks 3 times
TEMP LED Blinks 2
times
(Warning: TEMP LED
lights)
LIGHT LED blinks 3
times
LIGHT LED blinks 2
times
Shutdown detection
Power fuse
⇒ K-P.C.B : 10A 250V
⇒ P-P.C.B : 2A 250V
⇒ B-P.C.B : 5A 250V
Interlock switch
FPGA initialized or
Communication error
Formatter initial error
Internal air temperature sensor
⇒Under -45 degrees
Intake air temperature sensor
⇒Under -45 degrees
DMD temperature sensor
⇒Under -36 degrees
LED-R temperature sensor
⇒Under -45 degrees
LED-B temperature sensor
⇒Under -45 degrees
LD unit temperature sensor
⇒Under -36 degrees
Each FAN sense signal
is undetectable.
Each FAN sense signal
⇒Less than 70% of target rotations
is 120 sec or more.
Internal air temperature sensor
⇒More than 70 degrees
Intake air temperature sensor
⇒More than 47 degrees
DMD temperature sensor
⇒More than 60 degrees
DMD temperature sensor
⇒After light source lighting, less
than 5 degrees for more than 5 min.
LD unit temperature sensor
⇒After light source lighting, less
than 0 degrees for more than 5 min.
All the light source errors
⇒Status signal from the driver
microcontroller, all light source is
other than during normal operation.
Phosphor wheel Index signal
⇒45 Hz or less
Possible factor
Blown out of the fuse
( with some reason )
Top cover is not installed.
Signal processing unit PCB is faulty
DMD drive circuit is faulty or
Signal processing unit PCB is faulty or
Connector connection is faulty
Connection problem with Internal air temperature
sensor
Faulty temperature sensor
Connection problem with Intake air temperature
sensor
Faulty temperature sensor
Connection problem with DMD temperature sensor
Faulty temperature sensor
Connection problem with LED-R unit
Connection problem with LED-B unit
Connection problem with LD temperature sensor
Faulty temperature sensor
Abnormalities in fan connection
Fan failure
Abnormality of fan rotation
Internal air temperature problem
Fresh air intake port is blocked up
Intake air temperature problem
Fresh air intake port is blocked up
Outside air temperature is high.
DMD temperature error.
Fresh air intake port is blocked up
Failure of the heat sink mounting
DMD temperature is low.
Adjust the Installation environment.
LD unit temperature is low.
Adjust the Installation environment.
All light source lighting failure
Driver circuit fault
Connection error
Phosphor wheel fault
INF - 17
OSD warning
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68 degrees
"TEMPERATURE WARNING"
66 degrees
warning cancel
46 degrees
"TEMPERATURE WARNING"
45 degrees
warning cancel
58 degrees
"TEMPERATURE WARNING"
56 degrees
warning cancel
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