Forum > LCD TV forum
Repair faults section
buggsy:
--- Quote from: scousethief on June 24, 2009,14:58:24 ---Hi , a 17PW20 V1 power board in a waltham 32"lcd tv , standby light on and off constantly , any help would be appreciated.
Thank you
Scouse
--- End quote ---
check the two 15 nf 630 volt caps behind large transformer top left of power supply one or both reaad low causes non start or on /off action normaly blue or grey in colour avialble from ooem supplies donot be tempted to use old one from other supplies as same faults will occure also small transistor and low value caps go on this board & other versions this kit available from oem supplies.buggsy
buggsy:
--- Quote from: mrchips on September 25, 2008,12:41:54 --- :brinda:hi ive got a 37" lg lcd tv wich has just went off the power light flashes red and blue any idea
--- End quote ---
try pressing menu button some time get out of this problem or get into service mode ....soome times error ocurs when caps go faulty on power board worse case replace 24c64 eprom with preprogramed ic if blank used will program same fault....buggsy
buggsy:
have you checked the diode and resistor on either side of mains votage capactior
regards.....buggsy
--- Quote from: meerkatmtd on September 15, 2011,11:00:48 --- :sign0144:
Hi everyone I have read a few subject threads about flashing standby lights and have replaced the caps and hey presto - Standby light still flashing what else do i try? any info would be appreciated.
chris
--- End quote ---
:051bye:
buggsy:
--- Quote from: scousethief on June 24, 2009,14:58:24 ---Hi , a 17PW20 V1 power board in a waltham 32"lcd tv , standby light on and off constantly , any help would be appreciated.
Thank you
Scouse
--- End quote ---
:051bye: check your 15 nf 630 volt caps behind main transormer and 50 volt 1000 uf electrolitic cap on lower left power board
jfoster27:
Sanyo CE32LD81
The set has a shadow on the left side about 50mm from the edge, its like a tide line on the beach going down the screen.
Its only on fairly dark scenes
Any ideas
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version