Electronics Repair

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Mullard Ferroxcube ferrite

I'm trying to use a couple of 'vintage' Mullard ferrite toroids. They are marked FX1585/D4 and appear to date from c.19...
8 comments posted 11yrs
posted by me
8 comments posted 11yrs posted by me

Trygon Electronics HR40-750 Manual

I bought one of these as not working and am looking for a scanned copy of the service manual or a schematic so I can tr...
6 comments posted 11yrs
posted by chrmiss
6 comments posted 11yrs posted by chrmiss

Korg SP 250, electric piano

Loss of pianisimo ? (heavy key press only to activate) on 2 keys. That area schema/views not on elektrot. 2 contacts per...
11 comments posted 11yrs
posted by diverse
11 comments posted 11yrs posted by diverse

jammed motors

Yesterday I went to clean some Command LPs from Scott Dorsey, and fix the broken spindle on the record-cleaning machine...
2 comments posted 11yrs
posted by grizzledgeezer
2 comments posted 11yrs posted by grizzledgeezer

Fender G-DEC 15 watt "memory locked"

Would seem to be RTFM but no mention in the manual http://data.manualslib.com/pdf3/67/6623/662248-fender/gdec_3_thirty_...
2 comments posted 11yrs
posted by diverse
2 comments posted 11yrs posted by diverse

Recovery CDs for Thinkpad 2647-44U

Anyone have one of these sets (2 or 4 CDs) for the old IBM Thinkpad? I have a nice old timer here that I want to use fo...
6 comments posted 11yrs
posted by spam
6 comments posted 11yrs posted by spam

Troubleshooting an Acer tablet

I was asked by a friend to check out an Acer A700 tablet. It shows the Acer screen for about 10 seconds, blanks, restar...
1 comments posted 11yrs
posted by randy.day
1 comments posted 11yrs posted by randy.day

Flat panel set blooming

I have a orphaned Olevia TV that has just developed an ugly new symptom. There are blooms/blotches of ~red appearing on...
2 comments posted 11yrs
posted by wb8foz
2 comments posted 11yrs posted by wb8foz

Ladybug, Ladybug, Fly Away Home

Lazy guy that I am, I installed "touch switches" in the bases of four metal bodied table lamps in our home. It's a heck...
7 comments posted 11yrs
posted by Jwisnia18
7 comments posted 11yrs posted by Jwisnia18

ground plan antenna design and height.

I'm planning on building a 10 meter ground plane antenna out of PVC pipe an d #12 wire radials drooping about 40 degree...
4 comments posted 11yrs
posted by captainvideo462009
4 comments posted 11yrs posted by captainvideo462009

Motorola DCT6416 HDMI failure

The HDMI port on my Motorola DCT6416 suddenly stopped working. The composite Video still works ok. Searching for HDMI f...
2 comments posted 12yrs
posted by fred002
2 comments posted 12yrs posted by fred002

Fender Passport 150

Hi, some of you may be familiar with this all Chinese design badged "Fender". http://edu.znate.ru/tw_files2/urls_2/8/d-...
4 comments posted 12yrs
posted by pallison49
4 comments posted 12yrs posted by pallison49