| Subject | Text |
| Possible to use any power adapter with 220v/50hz? | OK, I have a quick question... :)
Why do some "wall wart" power adapters (transformer from AC to |
| SONY Book Shelf Stereo FH-B511 Model No. HCD-H550 No Power | Hi All,
Hope you can help with the above unit.
The Power supply appears to be generating the r |
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| epson inkjet printer 1520 printhead voltage adjustment progr | I did download this program and the manual for the 1520. there is very litttle instructions using th |
| 1st item) Because you don't seem to have any high voltage, I'll would start by checking the HOT (lar |
| power supply fault | Have you checked the bridge rectifier plus the opto coupler if this has died then you will not see a |
| Thanks for the warning mark.
I did put a load on each of the pins to make sure that it resonates |
| VS-4542 | I don't have any voltages except for the green power on light. I see a "blip" on the scope for the H |
| Zener Diode Power | First, you try to find the part number from the manuyfacturer, in data books, on the 'net, or wherev |
| Bush ws6671sil - 11AK19Pro chassis - Help needed! | Hello!
First off, this site is probably the most useful electronic repair site I have come across. |
| Check for supply voltages to the Frame IC. If you don't have a schematic, look up the data sheet fo |
| Start by checking the fuses in power supply area: PS601, PS602, PS651 (22V), PS652 (14V), PS653 (7V) |
| Could you check if there is any voltage e.g. on the collector of the high voltage transistor?
A b |
| Help me use a zener diode | I am attempting to understand how a zener diode would work in the following application:
This is |
| Ok. I forgot to add something. I've measured the KR KB and KG on the pcb on the CRT. If the board is |
| Optonica(Sharp) SM-4100 | Mains transformer is o/c. Anybody have details of the output voltages? Any help would be most apprec |
| Can you hear any high voltage, when the TV starts?
if not, try to measure the secundairy voltages |
| RCA picture problem -- amateur desparate for help | The voltages are much higher in a television so take care and some components hold a charge when swi |
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| Thank You Gest.
I am working on a Sony KP-51HW40 Projection TV.
When I power up the TV there are a |
| Also I have noticed that on FBT Transformer there is not voltages on many pins as mentioned on circu |
| DVD Stucked on Standby | Hello, I have a JVC DVD Player model XV-N312S and is stucked in Standby mode (Red LED On). Is Imposi |
| Thanks vtech for the explanation of the PC and PD points.
Per your direction, I found a slot un |
| Philips TV 29SX8671/29SX8771 G8A Chassis | Greetings all,
I have a problem with Philips TV. No controls work, no sound, but |
| Re: TV Problem | [quote:ca5516462e="bigboy"]:D
I have a 32" Sony projection TV. Latley when I turn it on I am get |
| replace new all electrolitik capacitor in power suply board check power suply output voltages |
| How is the set stuck in standby? Are there any sounds coming from the back of the TV when you switch |
| Effect "cushion" Toshiba TP55D80 chassis TAC 9494 | Effect "cushion" Toshiba chassis tac9494. Hello colleagues, I have a TV Toshiba TP55D80, the chass |
| lg dvd player | I have an lg dvd player, but it only regnizes VCD but not DVD, the sensor ans the motor have voltage |
| There are many simple remote control units aimed at hobbyists, available at distributors like RS Com |
| Too vague.
Do you have secondary power supply voltages?
Do you have and B+ on the collector of the |
| Component ID | Typo in the above. Meant to say I didn't measure the frequency at the anode, but it must be relative |