|05-02-2009||Also remember that these sets are built to shut down the SMPS if set detects a problem on any one of many circuits.
You could try unplugging connectors one at a time (or whole boards) and see if the set will come on the same or differently. If bad Y-sust|
|05-02-2009||pioneer amp GM 4200||PLEASE GIVE ME A RIGHT SUGGEST FOR PIONEER AMP GM 4200. HOW TO IMPROVE A OUT PUT WITH THE HELP OF TL 494.|
|05-02-2009||ive got a sharp lc-20s1e tv its stuck in st/by light flashes||ive got a sharp lc-20s1e tv its stuck in st/by light flashes when remote used but no illumination 12v and 5v supplies both up no fuses o/c can anyone help|
|05-02-2009||National oscilloscope||I have a National VP-5220A scope that I have not used for many years. It needs some repair now but I have not been able to locate a service manual for it. Any help would be appreciated.|
|05-02-2009||Hitachi 55HDX62 will not turn on||I have a Hitachi 55hdx62 plasma that died one day. I get no power from the power supply to feed the x sus and y sus board. When I turn the power on the green led for power lights up in the front. But I get no power out to the sus boards. I have not found |
|06-02-2009||Well folks, I think we are close to the end of an economical repair of this thing. I have power on all the leads now from internal and external supplies and I can't get it out of standby. Some of the voltage levels I am providing aren't exact. And I ha|
|06-02-2009||Thanks for the vote of confidence!!!!
All good now, the replacement -15v regulator was actually faulty when I bought it, it was shorted input to ground, hence the reason why the resistors blew too.
Not sure what caused the 7915 to blow in the first|
|06-02-2009||Ya gotta have a little fun every once in a while. :lol:|
|06-02-2009||JVC NTSC W-VHS to PAL conversion||Are there any suggestions as to converting the hardware in a JVC W-VHS from an NTSC format to a PAL format?
Could it just be switching out, or adding a PAL tuner from another JVC high end prosumer VCR? or is there more?|
|06-02-2009||Thanks for the help. I'll try with the slack I have. I take it from this thread that it is best not to unplug the thick red cable that goes to the CRT (with the anode cap on one side) and just try to get as much slack as possible by removing other cable|
|06-02-2009||Factory reset default SANYO ce28 wn5 b||Thanks Paul justmanuals. It worked. Is there a factory reset code for this model? Pincusion distortion is reducing the width on high beam current.|
|06-02-2009||far more involved than just changing the tuner, in is not practical to convert the machine, there are far too many basic differences, the 2 systems are so different, number of lines, frame speed, colour processing etc.|
|06-02-2009||I think it is a better deal to find an used dual-standard VHS machine, for example at Ebay.|
|06-02-2009||[quote:ce74628ed1="jts1957"]Is Color control working?[/quote:ce74628ed1]
before the TV, CRT can't On, no horizonta out, Transistor Horizontal its ok, but no voltage at base transistor Horizontal, after I check, I change x-tal (CSB500F9) on chroma IC, |
|06-02-2009||Service manual Hitachi CMT2588 & Toshiba 2135DE||I need service manual or schematics TV Hitachi CMT2588 & TV Toshiba 2135DE, Anyone can help me, please..
|06-02-2009||CSB500F9 is not a crystal but a ceramic resonator. It is probably used for the horizontal oscillator or any other purpose, not for the color subcarrier oscillator.
Check with a scope that the composite video signal is correct at the input of the chroma|
|06-02-2009||Request Samsung 226BW Service Manual LME22WS Chassis||Hi guys,
I'm for a Samsung 226BW Service Manual LME22WS Chassis.
Thank you for your help in advance.|
|06-02-2009||For that you'll have to buy the manual.