Soniq E40S12A-AU Stuck In Standby

[Eggbert43]

Re: Soniq E40S12A-AU Stuck In Standby

Ok, will test tomorrow, thanks Diah.....

The other possibility is that more than one LED is bad, which I guess I would need 2 bulbs to test all the different pin combinations etc

[budm]

Re: Soniq E40S12A-AU Stuck In Standby

VCC 1 (Pin 1) Connected to 75VDC LED driver PS, it is also connected the Anode of the LED strings.
LED 1 (Pin 2) This is the Cathode of the LED string #1 which is returned to circuit ground via PWM Controlled MOSFET Q101.
LED 2 (Pin 3) This is the Cathode of the LED string #2 which is returned to circuit ground via PWM Controlled MOSFET Q102.
VCC 2 (Pin 5) Connected to 75VDC LED driver PS.it is also connected the Anode of the LED strings.
LED 3 (Pin 6) This is the Cathode of the LED string #3 which is returned to circuit ground via PWM Controlled MOSFET Q103.
LED 4 (Pin 7) This is the Cathode of the LED string #4 which is returned to circuit ground via PWM Controlled MOSFET Q104.

So if you can have pin 2, 3, 6, and pin 7 connected one at a time then turn on the TV and observe if each one of the LED string will come on or not before the circuit goes into protection shutdown. You have to do the test 4 times since you have 4 LED strings., you may have to do it in darkened room.

[Eggbert43]

Re: Soniq E40S12A-AU Stuck In Standby

Thanks budm, will do as suggested as soon as I get a free moment.

Will also do as Diah suggested & get back to you both once done, thank you...!