Electronics Forum / Repair / May 2004

Quick recap - the fault was complete absence of operation.
Someone - I forget who, sorry - suggested the plastic moulding behind
the display had broken.
On investigation, I find that was exactly what had happened - a quick

Can anyone tell me how to clear the V-chip channel lock on a JVC AV20220 TV?
I do not have the orig. remote, have tried a couple of universals but have
not been able to get one to operate the tv. Wondering if it's because the
channel lock is on why the universal won't work?

Hd og cd spinning up, but no light in monitor (internal and external) the
sleepy LED is on always (the half moon icon)
Any idea what´s wrong?

Hi, all. I have an HP P1110 21" computer monitor here with what looks
like a high voltage problem. Model number is D2847. NDP Chassis 445N.
(That's what it says on the back.)
When first turned on, it looks great. After about 30 seconds, it starts

This ITC008 chassis tries to power on (degauss relay clicks, power LED
illuminates) in a continuing cycle after powering off the set.  The
set works fine except for this small problem!  Has anyone had this or
any similar problem with these chassis'?  Thanks

I have cleaned up a PCB board with Isopropyl alcohol and it has left
terrible amount of residue on the board white chalky/powdery deposits) a
problem I have not had with Isopropyl before.
The drum (5litres) is marked:

I have a Toshiba CF3254J The bottom half of the picture is squashed
into the top half.  Does anyone have any idea of what the best way to
correct this would be?
Service manuals for this model are non-existant... or are they?  Has

Just wanted to say thanks to Both "the Wizard" for helping out Rick....and
Rick for passing
that info along to me. Sure enough...1 ohm resistor was blown due to a bad
LA7839 Verticle

I have a 3 yr old rca 25" tv,for the past two days  when i turn it on takes at
least 5 minutes to see a picture but the sound comes right on.Works fine
otherwise,any ideas what it might be?im gonna have it looked at but was
wondering before i do.

I have 20" phillip color TV and remote control.
The remote control did not work for 2 weeks and now it works again.
I took the remote control to TV repair shop and I've found out
that the remote control is no problem. I thought the problem in on

This is also model number 6544-403.
I get no display but there appears to be high voltage present.
Any help with a schematic diagram or service manual would be appreciated.
Bob

Anyone tell me how to enter the service menu for this TV?
Thanks,
Alex
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G'Day .....
I have a dodgy 17" CTX 1765 Monitor that no seems to be able to fix.
Monitor has a 15 pin D connection as well as RGBHS, fault occurs using both
inputs. On startup, degauss makes every other monitor jump, and runs fine.

I have an older TV (Toshiba CT917C)
There is a TV/CATV button on the remote that changes between TV & CATV
modes.
The problem is that the remote was broken and there does not seem to

I have a Sony 27" TV. Wood cabinet, stereo or ? cabinet below etc...
It HAD a perfect picture and sound etc. Then made a fizzzzz noise and
turned off and won't come on again. I can't see anything fried and have been
told that two power transistors are the usual cause.