Questions & Answers for: test power board tv sony

...power board cant locate one please help me . PCB#1-688-228-14 That doesn't make sense. When you state that the TV comes on 5 minutes later, doo you mean that you get sound right away but hte picture ...

...by how can you tell if it is a g-board problem or blown lampj 9 blinks shows problem in power supply (G Board) and service manual suggest to check D6116 or D6301 that could be open on G Board.

...6 times There are two Ic's that need replacing on the Deflection Board (D) board.. These regulate power for the High Voltage and Chopper PWM circuits. The IC location on the board are IC6501 and ...

...tv blinks 5 times sometimes it comes on but most of the time not it is a sony wega kp57ws520 this is a problem that can only be solved by a professional so please get your local repairman on the line ...

...stop light from blinking with disconnecting power cord Your model must be kp57ws520 or kdp57ws655, You need a G board A1065549A ,they are NLA Ebay rebuit service for $69.00 will take care of your ...

...the G-board? Is there a diagram on how to fix the problem? There are voltage test point located on the Sony PCB try to check voltage if present then start tracing the cause. ...

board look like inside the tv sony m.n.kp57ws520 These usuall have the big Capacitors on it and several Transformers on it. The board is not huge. check the link out, http://cgi.ebay.com/SONY-KP57HW40

its D board ( power supply board) . There are two IC's there and  need to replace one or both of them. Since quite hard to do IC's test, I suggest you to replace both of them.Regards 

...power supply board..That problem is usually cause of faulty capacitors on the power supply board..Just follow this instruction to fix your TV..1. Open the back cover of your TV.2. Look at the power ...

...board for a sony projection tv model KP-51WS520. Can I buy this anywhere or does it need repaired? Thanks in advance! Red light blinking 10 times repeatedly. Sony code shows this as a malfunctioned D ...