Electronics Forum / Repair / October 2006

Replaced both convergence ICs and already adjusted & saved the data in
service convergence mode.  But I have not found a combo to force a
auto-convergence to memorize new settings.  Now stuck in manual mode.
Like I do with samsung as I do for service but no service manual for

Twice a day or once a month or whatever, this computer goes dead.  The LCD
monitor goes black and the keyboard becomes non-responsive (Caps Lock does
not light the LED).  The USB ports also seem to go dead as
disconnecting/reconnecting them does not produce the audio bong.  The ...

JVC Model # AV-36980 Chassis # A 70, was at another shop, but in good
condition.
Found the SMPS STRF6626 regulator shorted, replaced it, & C926 1000 uf
@ 50 volt

Has anyone got these 25, & 27" chassis to work, & stay working after
they blow up for the first time? The ones I have seen, keep blowing up,
even after replacing the flyback, diodes in the SMPS, & totally
rebuilding

Folks,
I posted this request in the printer usenets without any luck. Thought
I'd give it a try here.
  A neighbor asked me to fix an HP Photosmart 1115. The carriage is

13" Sanyo tv model:31C460U,chassis:G2C-460uo,year:June 89.No power
up,has 5v micro,tact switches,IR receiver.
The relay coil is missing it's B+ as the SPMS power supply is dead,I
replaced the opto couplers but no luck.Anyone have any tips?.Thanks.

I got my hands on a unit of car voltage stabilizer. This thing is
suppose to regulate the 12V fluctations when the engine is running. I
have opend up the unit to see the circuitry.
Basically there are about 10pcs of capcitors with capcitance values

I have this Sony KP-57W40 (March 2002) here for estimate to replace
the blue CRT, intermittently shorting G1 (tapping will do this also)
to kine and telltale darkening brown in neck where gun & pins are.
Need to know is this required to change out other green and red CRT

How could I enter to service mode in Philips 25PT4323/11 (L6.2) -TV?
I've googled for that, didn't got specific instructions for this model,
but only some "for most Philipses" -instructions, which is to press
062596 and then i+. There was also instructed to try to include any

The transformer in my Tripp Lite "Internet750U" UPS appears to be dead.
120v goes into it (measured near where the power cord goes into it) but
nothing comes out the other side.
The sci.electronics.repair faq and http://sound.westhost.com/xfmr.htm 

Anyone ever dismantled a fan on a Dell laptop please?
I have an Inspiron 8200 which has two fans, one of which has gone. I have a
spares Inspiron 5000 which has a single fan in it. They look the same.
Taking out the whole unit entails dismantling the whole laptop and removing

Dear sirs,
Maybe you have an idea ? about this,
I got myself a vintage Philips cd960 and dac960 the look like new and they
also sound wonderfull using the cd960 as a drive and the dac960 as

I received a coupon for a "free" DVD player from GoShoppingMall.  Free
except I have to pay for shipping $14.99.  I know it will be an el
cheapo model, but for that price it might just work for a while.  What
bothers me is that payment is required as a money order or cashiers

This TV had a fade to black syndrom, I resoldered practically the entire
deflection board.
That same day, the TV was playing alright, and then all of a sudden the
picture turned a scratchy dark orange color. Green and Blue is still there,

Questions I have
1. Is there any Maas-Rowe Tape Cartridge Electronic Carillons in
Charlotte, North Carolina that I can See I would very much like to see
a Maas-Rowe Tape Cartridge Electronic carillon live in Person IT WOULD