Electronics Repair

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Sharp 61" RPTV shutting off

I have a Sharp RPTV, model # 61R-WP5H, 61", about 6 years old. For the past 6 months or so, it will work for random len...
7 comments posted 18yrs
posted by none
7 comments posted 18yrs posted by none

Help with Atari Rush the Rock Schematics needed

I have two of these I'm fixing fro a friend and both have motor driver board issues I need schematics for a Atari 05531...
8 comments posted 18yrs
posted by boboranntrottier
8 comments posted 18yrs posted by boboranntrottier

NEED HP-54111D or HP-54112D input module

Hello! Further to my previous message, I have found that I can use also HP-54112D input modules (attenuator plus preamp...
1 comments posted 18yrs
posted by eb5agv
1 comments posted 18yrs posted by eb5agv

I have a good tek 2465

Works fine, but are there any recommended routine replacements for the no doubt aging caps in the power supplies?? TIA!...
4 comments posted 18yrs
posted by davebobbl
4 comments posted 18yrs posted by davebobbl

KDS Monitor

Does someone know where I can download a schematic on a VS195 KDS monitor? Thanks, Rob
0 comments posted 18yrs
posted by robnang34
0 comments posted 18yrs posted by robnang34

Mitsubishi WS-55859

Just like to know what is original STKs stays in this model and how to access to service menu for re-adjust the converge...
0 comments posted 18yrs
posted by maxg70
0 comments posted 18yrs posted by maxg70

Determine voltage of a Christmas tree minibulb?

Hi, Using my multi-meter, is there any way to determine the voltage of a working individual mini-bulb from a set for a C...
15 comments posted 18yrs
posted by d_fren
15 comments posted 18yrs posted by d_fren

A flyback question

I have a Panasonic TV that is about a decade old that has developed an intermittent loss of raster. Only once could I g...
8 comments posted 18yrs
posted by left
8 comments posted 18yrs posted by left

TIP: marker pens for ICs and valve/tubes.

For a while now I've been using felt tip "metallic marker" pens for contrasty marking over black IC bodies. UK/ASDA own...
0 comments posted 18yrs
posted by diverse8
0 comments posted 18yrs posted by diverse8

Cathode / Heater leakage.

Was I wasting my time , rather than throwing out some ECC83, a 6V6 and some EL34 and EL84.? All various degrees of C/H...
3 comments posted 18yrs
posted by diverse8
3 comments posted 18yrs posted by diverse8

Automatic Volume Leveling (AVL)

It's nearly too late now since the new TV's have AVL built-in to adjust volume increases during commercials, but I am v...
50 comments posted 18yrs
posted by !cscholtz
50 comments posted 18yrs posted by !cscholtz

Sencore SC61 Intermittent Horizontal Trace

I have a Sencore SC61 scope which has an intermittent horizontal trace. I have checked connections on all boards and to...
0 comments posted 18yrs
posted by u40055
0 comments posted 18yrs posted by u40055

RCA & Toshiba TV/DVD/VCR unit.

RCA M # 27F501DV, or Toshiba MW27F11C, similar sets, both TV/DVD/VCR. Vertical IC blown LA78041, two 30 volt zeners sho...
2 comments posted 18yrs
posted by greeben
2 comments posted 18yrs posted by greeben