Philips 42PF9731D blinking error code

PowerAmpFreak

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Join Date: Feb 2010

Posts: 982

Country: Sweden
#1

Philips 42PF9731D blinking error code

10-05-2013, 05:49 AM

Hello!
This Philips 42PF9731D amberlight unit does blink error code 12 (one long and two short blinks, then a delay of 3 seconds)
Which according to service manual is +12V failure.
Any advice what use to get bad here?
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tom66

EVs Rule

Join Date: Apr 2011

Posts: 32560

Country: UK
#2

10-05-2013, 08:18 AM

Re: Philips 42PF9731D blinking error code

Checked the +12V on PSU first?
Shorted diodes, bad caps, main board short...

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For service manual, schematic, boardview (board view), datasheet, cad - use our search.
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PowerAmpFreak

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Join Date: Feb 2010

Posts: 982

Country: Sweden
#3

10-07-2013, 09:25 AM

Re: Philips 42PF9731D blinking error code

It appears the +12V line is low (like 9.8V) even if the connector is disconnected (with the load).
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tom66

EVs Rule

Join Date: Apr 2011

Posts: 32560

Country: UK
#4

10-07-2013, 09:29 AM

Re: Philips 42PF9731D blinking error code

Check for bad cap on 12V rail. Pictures of boards?

Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.
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Philips 42PF9731D blinking error code

Philips 42PF9731D blinking error code

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