Question about RCA E13345 13" TV
I've checked the high voltage circuit, pin 29 of Jungle Ic does not go over 3.2V. I also checked pin26, the HVcc. The voltage goes to about 7v then shuts off. I desolded pin 26 and voltage does same thing. I've checked the 9v regulator, seems like its working when I compared it to another unit. What I did notice is when unit is plugged in without pressing the power button, I hear a slight buzzing sound from the power supply. The working unit does not buzz. I believe unit was hit by lightning. Any help is appreciated.
12 Volt regulator circuit usual culprit......replace
1) TP 15 = 198752 sub 185197 sub generic
2) DP02 = SK12A 12v zener
solder any bad connects.....T.
Posted on Oct 25, 2007
Did you check the horizontal output? then check all zener diode at the hotside! can you give me the number of all power regulator at the hot and cold area!?
Posted on Oct 22, 2007
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