| Subject | Text |
| YOU CANT DEGAUSS VCRS, THEY DONT HAVE A CATHODE RAY TUBE. CANT OFFER ANY OTHER SUGGESTIONS BUT THE V |
| [quote:54de3fca32="jts1957"]Zener 6079 (9.1V) is shorted. R3045 measures 1.8 ohms.
If anyone else n |
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| Your CRT is getting a layer of dead material on the cathodes of each gun.3 options.Take to repair sh |
| re sony | [quote:5dda648d85="carcus"]ok what so what i would do now to isolate wether its the video circuit or |
| The HV transformer is supplied with 100kHz chopped DC from a +-12 volt supply.
I have since repla |
| [quote:6a60d01696="Anonymous"]It's most definitely a connection problem in the filament circuit for |
| The fault is probably in tube. You have to unplug the crt control and see what is happening now. Aid |
| I need re-soldering another parts or check w/meter the any transistor, cathode, etc. |
| SONY KV-29FQ65E chassis AE-5 | starts fine but works only for 2-5 minutes, then switches off to stand-by mode, blinking 5 times, si |
| sony no picture | first u didnt say if it has some raster or not if not ur problem lie on the video section up to the |
| Have you checked that the entire voltage control circuit works properly?
Try the following:
1) D |
| D701 (pin 2) ground to C703/C704 "negative" terminal:
1) 12.67VDC at starting -(BLT_ON 1 |
| bk 2160 scope problem | Aler,
Forget all the other advice you have received so far. If pressing the beam finder button doe |
| IC805 is a three terminal 12 volt regulator.
Pin #1 is the input. You claim to have 13.69 volts th |
| Re: Sony 27" CRT KV-27TS27 has dim green, can't seem to | [quote:8a17abb21d="patch6"]I tried to adjust the controls on the CRT's circuit board, and also dimmi |
| Blue raster with flyback lines. | Yes it's the CRT. Leak on one of the guns is a common fault on wide screen Philips tubes (LG-Philips |
| ctc169 | Tech needs to check the power supply voltages in the Standby mode. In Standby mode, if the B+, at |
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| Dell 1707Fp Problem | Hi All
Regarding a Dell 1707Fp LCD monitor -
Here's the symptom: After few minutes screen tur |
| JUDGING OFF THE FLARING YOU ALSO HAVE, I WOULD SAY THE CRT IS LOW EMMISION AND THAT THE AUTO GREY SC |
| On the main board, cathode on D952 +14vdc stand buy, D970 4.5v switched, D972 12v switched, D521 34v |
| [quote:2ac384a35e="jts1957"]Let's try that again.
Red DVM lead (DVM set to DCV) connected to D701 |