| Subject | Text |
| if the capacitors measure short remove them check each out of circuit . if all measure good(not shor |
| I suppose that this transistor is located on the primary side of the power supply and that you are m |
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| Re: vert or horiz problem? | [quote:7b7d7f4d23="jts1957"]1st - It's JTS1957 / NOT JTS1975. Oh, to be 18 again! How did we get fro |
| Still Blowing Fuses | Put a new fuse in, and tested the end of the power plug wire with ohm meter. Needle would jump to 0 |
| sony 3400 v2 | One capacitor c618 is charged through bridge rectifier circuit and the other capacitor c619 is charg |
| Need TV schematics "TOSHIBA 2151TF" | Hi all,
I just send this message because I'm searching without any success the schematics of the |
| check first if there are short diodes specially the bridge if none, check the switching regulator IC |
| RCA ITC-222 Parts | Anyone knows the substitution part number for
RCA parts : 259877 Bridge Rectifier & the Blue Di |
| You can check (Q1 thru Q4) between each output transistor leg and ground for shorts.
You could pu |
| kv35v36 | The SMPS power supply is very delicate and critical in this sony cercuit. first of all take out the |
| Blown Fuse - Troubleshoot Why | I have a Dual TG28 reel-to-reel tape deck (1964) with a blown fuse (315ma). I am not able to determ |
| Re: Goodmans GTV42P3 42" Plasma TV - Power Board Repair | [quote:ba34fe886c="Mad Professor"]Good Day All.
I have a 3 year old Goodmans GTV42P3 42" P |
| schemo for a sony kp-61hs10 | hello everyone newbie here.i have a power supply problem.my 6.3 amp fuse was blown and i suspect the |
| orion tv32rn10 lcd tv | tv dead no stand by light.237v going in fuse ok.no volts going across main cap its 300uf cap reads 2 |
| What do you mean by the power transformer?
The primary ground needs to be isolated from the secon |
| [quote:05d54a1cb4="kenray"]did remove the drop of solder on the flexible cable of the new laser? th |
| T602 is a Line Filter on the "G" board. (The schematic only shows 4 pins).
If you have |
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| Some problems with old TV | Hello all, I have an old TV (model "Tesla Color 110 ST"), which still works okay, but rece |
| Denon AVR-1100 RD Problem | Hi All,
Have an 1100RD which will switch into standby but will not switch on.
Q: Do I need the |
| ac-dc | Hi,
first i like to mention that im NOT any good at complex electronics,
and i would like the ones |
| Yippee Iv'e found the fault! | After I don't know how many hours of cursing and head scratching I have fixed my oscilloscope. It wa |
| LG tv | Hi,Munawar,
i wander know if you line AC voltage is 127vca or another rating
because i see a bridg |
| transformer smokes | I am repairing a power supply for a scientific instrument. When I recieved it, it would not turn o |
| Most likely, the problem is due to a bad filter capacitor in the power supply or an open-circuited d |
| LG MZ-42PZ13 info needed | Hi need some info for the power supply (main) board, either a schematic diagram or the type numbers |
| I think the most likely problem is the backup battery on the CPU board, it may leak and cause corros |
| Can you be more specific about your application? Exactly what are you trying to drive?
Whilst mo |
| Main fuse blown | Take a DVM and check for a short across "bridge diode" (or main filter electrolytic) (Q601 |
| Re: TV will not power up | [quote:17d6de0fe3="gilloz"]Take a look at your low voltage power supply. If it has a Bridge Rectifi |
| I think the standby power supply is a simple type of SMPS with a few watts of output?
If you have |
