LX-D1010G
12-4 (PA012)
3) Power system 1
Cannot enter standby status
Is there the fuse blown?
Is the thermostat conducting?
No
Is the lead to the RF
connector conducting?
Is there 5V or more at
pin 6 of the NF connector?
No
Yes
Yes
Check for shorts on the Power
PWB and replace the parts
(D900, Q900, etc.) if necessary.
Reset the thermostat
and check if the filter is dirty.
Replace the lead.
Yes
No
If you replace the
Main PWB Ass'y, is the status
become standby?
The Operation Unit failure
No
The Main PWB Ass'y
failure
Yes
The thermostat is on the Lamp Ass'y.
Is there 5V
or more at pin 6 of the
CN: NF?
Yes
Disconnect the SF
connector from the
Main PWB Ass'y.
No
If you replace the
Main PWB Ass'y, is the status
become standby?
Check the circuit around the IC950,
IC951 and replace the parts if
necessary(specially Z954, Z955).
No
The Operation Unit failure
No
Yes
LED does not light.
Check the STBY5.
IC950: primary SW-HIC
IC951: secondary feedback IC
Z954, Z955: cicuit protectors
The Main PWB Ass'y
failure
Yes
If you replace the
Audio PWB Ass'y, is the status
become standby?
The Audio PWB Ass'y
failure
No
Yes
If you replace the
Preamp PWB Ass'y, is the status
become standby?
The Preamp
PWB Ass'y failure
Yes
No
Содержание LX-D1010G - Lcd Projector
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