I have a Toshiba big screen t v . The power l. e. d on front of the t v blinks red. and has no picture or sound, but there has to be power to the set it's self. If you could assist me in this problem i would appreciate it very much, this television was manufactured in june of 1999 and the model and serial number is as follows. model # TP43H60 and serial # 776602213 (56 ) the 56 is in parenthesis because it was wrote in with a pen on the back of the tv. so i do not know if it's actually part of the number or not. It also has a tac # 9859. Thank you very much- chefkenny
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Count the number of time the light blinks and if there is a sequence. Google your make and model number and add "blink codes" to the end. The blink code of the red light will tell you what's wrong with your tv. It's a self-diagnostic event.
You are describing the MASTER SCREEN/ FOCUS CONTROL BLOCK---black with six controls--three are red, green and blue focus--the other three are screen controls--red, green and blue--- the screens are adjusted so with the color off you have normal brightness and a black and white picture--
They have nothing to do with any Convergence problem and unless they have been tampered with rarely need to be adjusted---
Let me know if this helps you AND IF YOU HAVE ANY QUESTIONS OR NEED ADVICE--LET ME KNOW.
You have blown one of the pecos fuses, probably the f850 or f852, you can test them with the power unpluggrd and with an ohm meter. Replace them with only the recommended amps fuse. Your set is going into standby, because of the blown fuse.
Pull off the back pressboard. At the bottom left hand corner is the power cord that attaches to the power supply board. There is a white plug that attaches directly to the power cord. With the TV power off, pull this white plug up to disconnect. Then push it back in. Then plug your TV back in and press the power button on the front of the TV. I just did this and it is working fine.
You have a bad regulator IC or something in the seweep power supply is blow out. if you can read a schematic, i suggest you get one to troubleshoot the solid state circuits in this TV set. if you do not have any solid state repair experience or no electronic background, play it safe and call in a pro to assist you in the repair of this TV set. Good Luck.