Troubleshooting; Shutdown System - Panasonic PT-VZ570 Service Manual

SECTION 1 SERVICE INFORMATION

6. Troubleshooting

6. 1. Shutdown system

This projector provides the shutdown function to set into the standby mode immediately for product safety when the projector
has the fan operation error or lamp lightning error.
LED indication status
Power supply block
Fuse : Rated 8A
Not lighting or flashing
Thermal fuse
Sub-microprocessor communication error
FPGA initializing error or communication
ON(G)/STANDBY(R) LED
error
blinks
(0.25 seconds cycle)
Main software activation error
Lamp runtime
LAMP LED lights
(Shutdown in 10 minutes)
LAMP LED blinks
Lamp igniting error/Lamp goes off
(0.5 seconds cycle)
Temperature exceeds a threshold (*1)
TEMP LED lights
Sum of the fan voltage level and filter
clogged level (*2)
No fan sense signal
Each fan sense signal level
a The signal is less than 50% of target
TEMP LED blinks
(2 seconds cycle)
Power supply error
*1 It depends on the lamp mode , fan mode or installed environment.
*2 It depends on the various levels of the filter clogged and fan voltage.
Shutdown detection
a Over 113ºC
a More than 5000 hours
level for more than 5 seconds
Probable cause
Blown out of fuse(with another reason)
Disconnecting the connectors
Power board failure
Ballast board failure
Blown out of thermal fuse (with another reason)
Check usage environment
Disconnecting the thermal fuse
Sub-microprocessor failure
Disconnection the communication lines
Failure on signal processing part
Main microprocessor writing error
Lamp runtime is over
Lamp cover not installed
Disconnecting the connectors
Lamp error/burning
Ballast block error
Temperature error
Filter clogged
Disconnecting the connectors
Fan rotation error/ abnormal
Fan control circuit on the main bard has error.
Disconnecting the connectors
Board error
INF-23
OSD warning
–
–
–
–
–
"REPLACE LAMP IN ** MIN-
UTES, POWER WILL TURN OFF
AND GO INTO STANDBY MODE
AUTOMATICALLY."
–
–
–
–
–
The count down number 10 to 1
will be indicated in **.