Latest threads in Electronics Repairshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
Any landing you walk away from...
"Jamie" = Maynard A. Philbrook, radio ham KA1LPH and total fuckwit ** Wot absurd craplogy. .... Phil
241
|
12 years ago
|
241 | |
|
|
Panasonic SA-HT70 rear speakers not working
I've checked connections numerous times, so I know its not the wiring. I switched out the speakers and still nothing so its not the speakers. I'm assuming maybe its a capacitor. any help?
1
|
12 years ago
|
1 | |
|
|
Unknown device "3B" on motor drive boards.
Greeetings, group. Lately I've been repairing motor drive boards for variable-frequency 3-phase AC motors. (These typically use a diode bridge to rectify 120VAC to 160VDC, then feed the 160VDC into a...
17
|
12 years ago
|
17 | |
|
|
Ever felt stupid ... ?
I had a Hartke combo on the bench today. Owner is a keyboard player, and reckons that he blows the tweeter fuse regularly, and as a result, the fuseholder was getting slack and intermittent, so could...
36
|
12 years ago
|
36 | |
|
|
EIA-198-D capacitance codes
I'm sorry if the following is common knowledge, but I was recently deciphering the marking codes on an smd tantalum capacitor and I chanced upon this datasheet: Page 3 tabulates the EIA-198D two-digit...
1
|
12 years ago
|
1 | |
|
|
Tutorial - how to locate the basic test points of an unfamiliar HDD PCB
This tutorial in intended to show how one may determine the test points for the onboard DC-DC converters, spindle motor, voice coil motor (VCM), and preamp supply rails of an unfamiliar HDD PCB. We...
—
|
12 years ago
|
— | |
|
|
HDD TVS diode FAQ
The purpose of this FAQ is to address a question that pops up on a regular basis at various storage forums. The usual scenario is that a hard drive has been overvolted, either as a consequence of a...
—
|
12 years ago
|
— | |
|
|
CRT TV repair, power supply defect.
I have a phillips 29 inch tv(model PT4423) which lost power suddenly. After replacing a shorted chopper transistor in the switching circuit and two open resistors the TV came back to live with another...
18
|
12 years ago
|
18 | |
|
|
Harma 6L6GCSTR valve problem
So called Superior Grade Cryo Work ok and test ok but in use and the tester there is low insertion/extraction force in the sockets. Dragon's teeth hold them in place ok, so will not fall out....
6
|
12 years ago
|
6 | |
|
|
Can someone help to identify this prewar capacitor?
Probably used for telephone devices or similar, seems to be a MP metal paper design, from 1936? It is rated at 650V and has a 0.25uF capacity (still, just tested). I have not found out who the...
16
|
12 years ago
|
16 | |
|
|
Panasonic KX-TG210AL-B 2.4GHz phone service manual
Could anyone point me to a free service manual for a Panasonic KX-TG210AL-B 2.4GHz cordless telephone? Anything similar to KX-TG210 will probably do, eg TG200, TG210A, TG210B, TG210C, maybe even...
2
|
12 years ago
|
2 | |
|
|
Can't find datasheet or pinout for this IC
"360-2002B" 16-DIP. Google shows surplus inventory and e-Pain shows: (Yes, I PM'd them and no, they don't know what it is...) Funny, so many are willing to sell them to you but can't tell you what it...
4
|
12 years ago
|
4 | |
|
|
Anyone have experience with Element Electronics? 40 inch Monitor?
Anyone have experience with the 40 inch screen from Element Electronics? ELGFT401, or such I can't seem to find much about this company. Where made? Reliability? Regards, Robert
2
|
12 years ago
|
2 | |
|
|
unkown power supply
Hi all, I have found an old SMPS I'd like to revive. It is marked as triumph-adler model CTNA (100-240V AC input). It doesn't seem to start, maybe it needs an external connection to start, it has a...
—
|
12 years ago
|
— | |
|
|
TL064 in PV 212 Deuce, VT Series, 1980
TI IC marked SN99661 and 70400604 and 604 on the schematic A number of people (out there) enquiring about work-around of replacement with 4016 or 4066 but no reports found of reported success. The...
11
|
12 years ago
|
11 |