Latest threads in Electronics Repairshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
Tektronix 2215A B Delay Time Position not working
Hi: Am trying to fix a Tek 2215A with the delayed sweep not functioning properly. I am able to see both A and B sweeps but am unable to use the B Time delay position. Anyone have an idea? Thanks
1
|
8 years ago
|
1 | |
|
|
OT: Audio:Free to Good Home - but with Two (2) "Catches"
First, the Stuff: Pioneer SX780 Receiver: Turns on and tunes for perhaps 20 seconds, not all the time and passes no sound. Complete, cosmetics are fair, no visible damage. My SWAG is power-supply...
5
|
8 years ago
|
5 | |
|
|
I have a Robbins Myers motor serial #MM30358 Type KL need wiring diagram
3/4 HP Frame M560
—
|
8 years ago
|
— | |
|
|
Vivitar 283 repair?
I have some Vivitar 283 flashes I used several years back in lower power mode for a special application (I swapped out the thyristor for a circuit that allowed 1/16th power). The flashes were...
2
|
8 years ago
|
2 | |
|
|
Revox B251 Integrated Amp No Output and More
Before I dive in blind, here are the symptoms: This amp, which had worked nicely at our summer house (seasonal use) for 4 years died one evening - slowly going quiet over about 30 minutes (I was dr...
9
|
8 years ago
|
9 | |
|
|
Samsung ln40b530p7 audio ok backligth intermtitent
At the time of turn con picture and audio are normal and aprox 15 secs late r backligths do not ligth con so no picture. I checked voltages at the psu/ inverter and all seems to be the inverter...
2
|
8 years ago
|
2 | |
|
|
Samsung ln40b530p7 no imagen audio ok
At the time of turn on the set picture and audio normal, anterior 10 sec no picture and backligths are Off, chkd voltajes and readings are normal, resoldered without good result. Any ideas about it....
—
|
8 years ago
|
— | |
|
|
Curious problem
Hi all, I'm now working on a different Philips scope which 'died' suddenly for no apparent reason. Here's a summary of the key points: The smps section had power in, but nothing coming out. I checked...
13
|
8 years ago
|
13 | |
|
|
Philips PM5508 manual
Hi all, I've got this really old TV test signal generator to repair. I've found a very poor copy of the service manual from a well known internet site (elektrotanya). Does anyone, by chance, have a...
—
|
8 years ago
|
— | |
|
|
Gateway GM5260 has startup and freezing issues.
I'm servicing a Gateway GM5260. It uses an Intel DP965LV motherboard and it has Windows XP installed. It also has this habit of freezing randomly. Then you are forced to hold in the power button to...
16
|
8 years ago
|
16 | |
|
|
Orange RK100H , 100W valve amp, 2011
No PbF statements anywhere but I assume it is. Reported as consistent intrusive mains hum with any settings of controls, but of course with me it is perfect. Expecting a loose cap or input socket...
10
|
8 years ago
|
10 | |
|
|
old PTC substitution
Hi all, I'm repairing an old Commodore 1702 CRT monitor. The PTC driving the degauss coil desoldered itself from the PCB, probably it was too hot (missing solder from the "common" pin of the two...
2
|
8 years ago
|
2 | |
|
|
Broken TV LG 32LS570S
Hello I'm trying to repair a dead LG 32LS570S LCD screen. The backlight work OK, all the power supply voltages are nominal and the unit turns on and off via the remote or the keypad, but there is no...
7
|
8 years ago
|
7 | |
|
|
Weird 1980s tv problem. Would like explanation.
There was an AOC tv in the mid 80s that had capacitance touch switches on the front and the channel indicators were illuminated with NE2 neon bulbs. An ic drove transistor switches that turned the...
12
|
8 years ago
|
12 | |
|
|
OT: UK hackers delight
Poundland, so 1GBP per lamp, now have 3 LED 2.6W 4000k mains lamps, that come apart with 2x3 screws, easily removed 3 LEDs, 3 separate condenser/focus lenses and for good measure 3.3uF,400V cap
4
|
8 years ago
|
4 |