Question about Hitachi 60V500 60" Rear Projection HDTV-Ready Television
The lamp or even the ballast that powers it can look perfect and be bad.
Posted on Dec 22, 2012
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Posted on Jan 02, 2017
i have a 50" r.p. Hitachi, kinda had the same problem, it would go off at different times and i't hit on the back and get it to come back on,but after awlhile i'd have to hit it more and harder to get it back on till it quit, the menu would come on and would show the video 1 ,3 and that in the corner.After paying $75 for a guy to say it wasn't worth fixing i tried myself. Not knowing what i was doing, i checked all wire plug connections. Found 2 that wasn't seated good replugged them and still didn't work then tried the bulbs, just kinda jiggled all 3 one didn't feel the same so just tapped on it alittle and it popped, i guess back into place, anyway turned on the tv and it worked. Had moved it recentlly so i don't know if that is what moved the bulb. Hope this helps, also mine is a '94 model.
Posted on Apr 04, 2008
SOURCE: Hitachi 43FDX Rear Projection TV
If the picture was good prior to the 3D images, I would fix it. The convergence ICs either have poor connections or are defective. The IC is an STK392-110. There may be 2 inside the set. If you have this repaired, expect a labor cost in the $200 range. Request that the ICs be replaced rather than the board changed. This will maintain all of the internal settings and require only part replacement not a complete re-convergence adjustment.
Keep us posted.
Posted on May 01, 2009
Here are a couple of common faults for this model from the hitachi Sevice Website
Symptom: INTM GOES DEAD
Cause: SOLDER K088,89,90,91 (JUMPERS)
Symptom: POWERS UP; SHUTS DOWN
Cause: CHECK C922, C921, L708, CONNECTION AT PIN 1 OF I907
Read below and decide if you want to tackle the problem yourself if so I’ll help along the way with what info I have. If not contact the nearest repair shop armed with the info below.
A dead set (no picture no sound) can indicate any number of problems – Usually the set is in shutdown or protection mode – this means that the internal circuits have detected a problem with a supply voltage missing, drawing too much current, going over voltage or a short condition.
The first thing to do is power off the set unplug it for 5min. than replug and try again. This in effect resets the main micro and will sometime unlatch a fault and resume working. There are certain common problems based on the make model – for instance convergence output IC’s(CRT projection TV’s) can cause a dead set symptom in many models. Vertical output IC failure can also cause the same symptom (CRT standard and Projection).
The only way to determine the real cause is :
By an educated guess based on experience or by directly troubleshooting the set – checking fuses, measuring voltages and checking for shorts. Many of the intermittent problems such as, int.(Intermittent) no sound or picture, int. picture shrunken or misshaped. These problems are generally due to cold (bad) solder joints (all TV’s and electronics) that break down under slight temperature changes or vibration and are usually verified by physically tapping the suspected area on the circuit board, or by quickly heating or cooling a suspected component or area ( cold spray and hot air gun). The other main culprit is leaky or dried out capacitors or capacitors that change value depending on temperature. These can sometimes be seen as bulged or leaky and have an acrid odour.
Posted on Sep 26, 2009
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