| Subject | Text |
| SMBJ11 DATA | [b:3e37f3ec42]Features[/b:3e37f3ec42]
l For surface mount applications in order to optimize
board |
| The conversion of Amps to Watts is governed by the equation Watts = Amps x Volts
For example 1 am |
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| Assuming TV DOES turn On & Off at your command with No Vert deflection: D445 cathode 24vdc?
R44 |
| Let's try for the "DC" voltage readings on the power supply diode cathodes.
D701 (pin 2 |
| With the set "On"
Cathode of D807 is approx 140.5volt
Cathode of D808 is approx 86.7 v |
| Re: PHILIPS 32PW8506 , Bleu screen with flybacklines !? | Hi.herald ,ther is often problem with CRT ,blue cathode will by shorted.Do you check drive for RGB?? |
| [quote:2e3c1c5767="carcus"]well not really claudem ... you can try reducing the G cutoff a little mo |
| Try again,
1. What is the voltage at C815, C816, C820, collector Q803, emitter Q806 and cathode D8 |
| first check dry solder on r\g\b drivers board that mounted on the crt neck. seconde you can measure |
| I re-soldering all blue cathode and other resistor and the color is back to a normal colors, thanks |
| Not familiar with the set but took a look at a similiar one here;
//www.eserviceinfo.com/downl |
| Hi,
This is EM2E chassis
1.
Measure immediately after switching on, the voltage on cathode |
| Thank you for your reply and efforts! :D
There are now several issues raised and I'll try to rep |
| R445 1 ohm .5 watt
Yes, you need the resistor to read a voltage from cathode of diode to chassis g |
| Sounds like the blue cathode in the CRT has an intermittent short-circuit - a heater to cathode shor |
| [quote:6097a89fab="jts1957"]Assuming TV DOES turn On & Off at your command with No Vert deflecti |
| Re: Renault radio | [quote:f9299a94c8="Milos732"]Please callculete me a radio code for renault
Model no: 22DC279/62Z
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| I believe you will determine they [b:d59a51a3db]ARE CRTs[/b:d59a51a3db] (Cathode Ray Tubes), Not lam |
| The signal on the emitter of the switching transistor T610 when the buzzing sound is heard and the t |
| Many years ago when i used a B&K rejuvenator at work, we never bought any upgrade adaptors for i |
| You'll find it's either the backlights themselves (known as CCFL's - Cold Cathode Fluorescent Lamps) |
| Re: 32PF9965 | [quote:751193c664="Pacovich"]Don't you love the term flyback, minnie? No problems with the name we g |
| [quote:65f1ffa905="gary"]set is fitted with a philips crt, notorious for failing, usually causing va |
| IF THE RED CATHODE VOLTAGE IS LOW THE PROBABLE CAUSE IS A U/S CRT, TO CHECK DISCONNECT ONE END OF TH |
| It is most likely the CCFL(Cold Cathode Fluorescent Lamp). I took my monitor apart and was able to |
| I joint a schematic diagram. | I have to joint a diagram when i have to make.
[url]http://developpeurvb.ifrance.com/documents/sche |
| Samsung laser pick up | Hello i have a samsung MAX 440 and i think i have problem with the laser (SOH AP)doesnt work at all, |
| [quote:20d96dca5f="jts1957"]R445 1 ohm .5 watt
Yes, you need the resistor to read a voltage from c |
| [quote:2dbe6cb9be="jts1957"]IF it's even bad at all.
You DID test the original?[/quote:2dbe6cb9be |
| RX-V1700 | The 2.5D supply is fine. Q44, Q23, R68 look good also. I may replace these anyhow.
An interesting |