Question about Standard (CRT) Televisions
Hi my goodmans tv has stopped coming out of standby i would like to know if you have heard of this iisue before and what might be the cause im good at electrical repairs and am sure i know what is wrong just im not sure which part to replace ive got the manual for it and it says resistyor r801 might be the issue im not sure thus why im asking the unit will mnot come out of standby the red led on the front just keeps flickering and while the back is off you can hear a clicking noise as if the unit is trying to start i think it is a switch of some sort i think it may be a component specs are make is good sky no. mish212lm im not sure if you can help but any ideas would be very crateful thanx eddie
You replace Q601 just in front of the LOPT with the BU2508AF. hope that helps!
Posted on Nov 21, 2008
Ak37 chassie stuck in stand by has squeek
replaced all parts chrispurs1 mentions but still squeek?
can someone tell me location of lop transistor that I am told could be short circuit and needs upgraded to BU2508AF
Posted on Dec 17, 2007
11ak37 chassis SQUEEK
I replaced all parts you mention above but I still have squeek psu stuck in stand by can you help further. Another site mentions lop transistor shot circuit sugests upgrade to transistor BU2508AF but I do not know the location of this transistor on the 11ak37 chassis?
Posted on Dec 17, 2007
Hi. Check & replace all of the following. DIODE D800, (BA159) IN THE SNUBBER NETWORK GONE LEAKY CAUSING THE PSU TO GO INTO OVERCURRENT MODE. CHECK AND REPLACE R817 IN B+ SENSING CIRCUIT, 130KOHM RESISTOR (RESISTOR IS LOCATED BELOW THE TWO RECTIFIER DIODES IN THE PSU SECONDARY) HT RAIL 12 VOLTS - D808 CHECK THIS CANT REMEMBER ITS VALUE IF ITS DEAD SHORT REPLACE I HAVE LISTED BELOW D808 S/C. REPLACE D808, Q801 (FET) AND IC800 (MC44608) AND CHECK SURROUNDING COMPNENTS. IF D808 FAILS AGAIN AT SWITCH ON, REPLACE C809. Let me know how you get on its pretty straight forward fix.
Posted on Sep 23, 2007
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