| Subject | Text |
| [quote:66d15c3fc5="jts1957"][quote:66d15c3fc5]could it be possible that it has no DC supply on it? i |
| check the aft ckt. first and if no problem adjust the aft if ....if u have instrument like a scope o |
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| It would be hard to tell without more data....from what is available in today's cheap market, I'd pr |
| it could be the vertical out or ckt of the red crt |
| [quote:94372f265a="Granito"]Sorry, this was my reply
[quote:94372f265a="Anonymous"][quote:94372f2 |
| no audio | sylvania rxf169 19c7-16 chassis
adjusted t219 and l221 in audio ckt
touching y223 caused a radi |
| Re: Sony KPS4112 Rear Projection TV circuit diagram (fuse bl | Defently you have an open or sort at the primary of psu
unsolder all the diodes and the resistor of |
| I want to thank everyone on this forum. My Hitachi died one night. In one hour I surfed the net, fou |
| sorry for my late reply my pc had a problem..............this things both can have the same problem |
| Need help with Telemetry/ Data transmission thru ASK or FSK | I'm constructing a telemetry ckt that relays temperature data wirelessly thru' RF. I'm trying to use |
| Hitachi 53FDX20B Schematics | Hi,
I ordered and received the Service manual, but it didn't include the schematics, other than the |
| Bob,
Before condeming any device, best to attempt to narrow it further.
Based on the age & |
| [quote:232e479467="jts1957"]I assume there is NO AUDIO either. Any Blinking timer light code?
Cou |
| pcb repair | to repair is tedious. you need epoxy and some strands of wire from a speaker or some sort. remove th |
| No doubt it is all stk's. The reading on the test mode can help but you'd need to have the service m |
| James,
Looking at the protection ckt in question, you've figured out it's operation. It is based on |
| [img:8c28232f67]http://i67.photobucket.com/albums/h287/rramani/pwrsupply.jpg[/img:8c28232f67]
You |