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Key light My E-120 light lamp red like a key (tools). Help me

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I want t replace a mb2x40/120 rs ballast with a 120 277v electronic ballast how do i wire it

A fluorescent light ballast is a transformer that outputs a higher voltage than the input (120 volts). The electrocution hazard is very real.
Practically all ballasts have a drawing printed on the label. As a master electrician I still need the drawing to install them properly. Electronic ballasts should have a black and white wire for input voltage. The output to the lamps will be some combination of: red, yellow, blue.
The new ballast must also be matched to the type of lamp. Old fluorescent lamps were T12 (refers to the diameter). New lamps are T8 and produce more lumens with lower amperage.

Sep 27, 2014 | Electrical Supplies

1 Answer

Sony 50sx200u red light flashes 3 times then atemps to light up then goes off fan seems ok#

Try a new bulb. Sony XL-2000, or if you can replace the old one from the housing (simple to do), an E23H 120 Watt will work.

May 07, 2014 | Sony KF 50SX200U Compatible TV Lamp

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Yes I have a 1994 grand Cherokee Jeep limited edition check engine light does not come on security light comes on but will crank need help getting engine light to come on

not true, at all. kevin... (your answer is wits end ways)
guessing is bad.
The lamp is the PCM self test and glows key on.
if not , the fuse to the PCM is blown, 10cents, not $1000 new PCM.
I repair PCM for living, from 1970. to now. L-Jetronics to present.

here is a better list
Battery at 12.6v rested. lamps glowing dont mean squat.
the battery below 10v , the PCM will fail.
the electronics spec is 10 to 16vdc. that is the rules.
then fuses good. (ask how to test them with an Ohmeter.)ask.

1: new car to you? PO prev.owner removed lamp to up sales price.
we call this the Classic, CEL (MIL dead cause)
removed it or painted the bulb black or black electrician tap, tricky applied. or the CEL holder is missing, (jokers all)

2: the scan tool works 10x better, use one (no comms? fuse blown, good comms. does the MIL show active or not? if active and the lamp is out the lamp is burned out or the PO removed it, the scan tool will not lie to you ,like old funky dash lamps. and PO's from H3LL.)

3; the 94 is OBD1 PCM. (ECU) and can be key on 3 times checked)
to activate the cause of failure, DTCs.
ever do that? every read that? its a fact.

here are some more facts.
the Immoblize will alow car to start for 2 seconds then kills spark and fuel. so if it glows, at key on, and stays glowing , its a waste of time
trying to start car. its IMMOBILIZED>
if the IMMO light is happy and will not crank here is the
ASD reasons.

this tool can scan old jeeps 93-95 and up.

its only code reader but does do MIL status.
and readiness. and all DTCs.

to get the 3 key on test to work the CEL must be good.
that is why i use scan tools , so i dont need to waste time
with the lamp.
can take 1hr or more to replace lamp if bad or missing
btw, once access to lamp is attained, you can steal a unused lamp
for the CEL and fix it fast.

trick 2, on jeeps
put finger in ASD relay , and turn key on , then crank
can you feel it close, then drop out in 2 seconds.
does this help?, tell more, ask more. get more.

Aug 06, 2013 | 1994 Jeep Grand Cherokee

1 Answer

TV Exploded

Sounds like the DLP lamp failed. You can decipher the Hitachi flashing red light. That should help to be sure.
The DLP lamp replacement is fairly straightforward and can be done with minimal tools

Sep 10, 2009 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

Sony SXRD 60 in. won't power on

You need to replace your DLP lamp...easy fix that you can do yourself.  If, you buy from the Sony website it will cost more.  Try looking online and make sure the lamp is Sony Certified Replacement part and you should find the bulb by itself for $90 - $120 or cheaper or in a rebuilt housing for approx. $160.00

Apr 03, 2009 | Sony KDS-R50XBR1 50" HDTV

1 Answer

Optoma DV10 - Temperature Light turns solid red moment after it's turned on.

Hi bkdao

Did you reset the lamp timer ?

Check if all the fans are in working condition and also check if your colourwheel is in one piece.

May 19, 2008 | Optoma MovieTime DV10 Multimedia Projector

1 Answer

Ghost images!

I had the same problem, reset the lamp hours by pressing 'menu, 619 , menu" and browsing until I found the setting, but then I also saw an option to test the lamp.  The TV shut off when I tried this and 2 red lights indicating a new lamp is needed came on instead.  It's probably the ballast and not the lamp, but I don't know that I want to put any more money into this set.  I have only had it 2 years.

Apr 26, 2008 | Optoma RD50 50" Rear Projection HDTV-Ready...

1 Answer

Infocus LP120 Retrying-Power Light Turns Red...

Usually when the lamp is good and you get this message, the ballast is bad. That is the part thatdrives the lamp. Check with Infocus for a repalacement balast.

Apr 09, 2008 | InFocus LP120 / 1000 Lumens / XGA / DLP...

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