Electronics Repair

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IBM Enhanced 101 keyboard bad

Hi, for the past 20 years I've been using an IBM Enhanced keyboard and it finally quit working. I like the keyboard so...
4 comments posted 19yrs
posted by nospam
4 comments posted 19yrs posted by nospam

CTC 187 problem

I have a 35" RCA TV (ctc 187 Chassis) that has a problem that when the TV is first turned on I have no Vertical or Horz...
3 comments posted 19yrs
posted by sni754
3 comments posted 19yrs posted by sni754

Pure Evoke 1XT DAB radio

Owner dropped it and now the volume control is very iffy. Before I release the panel that contains the vol control. Is...
2 comments posted 19yrs
posted by diverse8
2 comments posted 19yrs posted by diverse8

Vertical Instability

I have a 2001 Mitsubishi vs-45607. The problem is the picture is dark, squeezed top to bottom, and it has a little vert...
3 comments posted 19yrs
posted by slickone
3 comments posted 19yrs posted by slickone

MONSANTO counter-timer 100C manual desired..

I have just repaired the front end of an old Nixie tube Mansanto counter for a friend.. He is asking for the manual tha...
6 comments posted 19yrs
posted by jamie_ka1lpa_not_valid_after_k
6 comments posted 19yrs posted by jamie_ka1lpa_not_valid_after_k

Simple hall effect current transformer..?

Hi, I wonder if there exist simple current transformer solutions using hall effect devices instead of bulky wound coils...
5 comments posted 19yrs
posted by geir56
5 comments posted 19yrs posted by geir56

Probes for DuMont Oscillograph Model 292

I'll be installing replacement caps for the CRT deflector plates this weekend and firing it up for testing. The probe c...
3 comments posted 19yrs
posted by biddy67
3 comments posted 19yrs posted by biddy67

Sony p/s noise in adjacent am rcvr

KV27V26 with Bose Wave radio sitting on top... when Sony is off, in standby, Bose receives severe heterodynes on lower...
8 comments posted 19yrs
posted by PizzaFoundry
8 comments posted 19yrs posted by PizzaFoundry

potential sensor (copier)

I'm looking for a used (new if cheap) TDk or MuRATA (or anyone elses for that mater) potential sensor used for looking...
5 comments posted 19yrs
posted by osr
5 comments posted 19yrs posted by osr

Kenwood KA-5002

Have one of these that someone "tried" to repair. All the outputs are mis-matched. Anyone know what the original IC's we...
1 comments posted 19yrs
posted by cynthiajacobs
1 comments posted 19yrs posted by cynthiajacobs

beta tape deck drive belt

Anyone know where single(1) quality drive belts can be bought for older units? Found a few dealers but they have large m...
3 comments posted 19yrs
posted by tim.selkirk
3 comments posted 19yrs posted by tim.selkirk

Tek 465B

Both channels on the verticle front end are damaged. One dual FET follower is a definite (Q1297). It is tek part number...
13 comments posted 19yrs
posted by bg
13 comments posted 19yrs posted by bg

Advent Q1435A TV

Does anyone have a schematic available for a 14" Advent TV receiver, model Q1435A? Regards, Alan
0 comments posted 19yrs
posted by arbetz
0 comments posted 19yrs posted by arbetz

Mistubishi Projection TV

I have a 2001 vs-45607. The problem is the picture is dark, squeezed top bottom, and it has a little vertical jitter. I...
3 comments posted 19yrs
posted by slickone
3 comments posted 19yrs posted by slickone