Question about Mitsubishi WS-55807 TV
I am getting the click, light for 3 seconds, click.
both the F9A04 and F9A05 fuses are closed (solid color with no visible break) i am scanning the whole thing and i can't find a break at all. I followed the click to something, but that only made me confused seeing as i have no idea what it is. P765-1. I have experience with electronics (I work on electronic paintball guns as well as my own and friends computers) I believe I am in a little over my head and would greatly appreciate your help. if you could contact me through my e-mail (email@example.com) correspondence would be much easier.
Thank you in advance,
Good Day, Jacob;
Jacob I'm glad to hear that you are an experience tech. and since you are try this:
This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input/device and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times. 1 - 2 = no error detected 2 - 1 = X-ray protect (high voltage or beam current) 2 - 2 = Short protect (short protect monitors low voltage supplies) 2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection) 2 - 4 = Vertical protect (usually loss of vertical from the source) 1. SELF- DIAGNOSIS INDICATE X-RAY. CHECK FOR A SHORTED IC5A03 PART # 270P704010 AND AN OPEN R5A73 82K ¼ WATT OFF PIN 2 OF IC5A02 ON THE MAIN PCB. 2. SELF DIAGNOSIS ERROR INDICATES SHORT PROTECT. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT. 3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB. Good Luck, big IRISH.
Posted on Aug 07, 2008
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Posted on Jan 02, 2017
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