Re: Mitsubishi LT-55154 Blinking Green Light?
Sorry brifr123 i thought it was in the clear with PWB main,obviously the boards
are different so 934C3740-02 is NOT the same as 934C3740-03 cause after a week of use,5 or 6 caps launched off of the board still had picture but no sound,
no hdmi,so i need to hang on to my board still.i send u my 934C3704-03,might
not be good for your tv,since yours is 934C3704-01.
Peter B
Member
Last Activity: 06-06-2017, 07:34 PM
Joined: 11-05-2012
Location: ny 14086
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Re: Mitsubishi LT-55154 Blinking Green Light?
id like to also add that right buy the part number there is an 01,02,03 on the PWB main,and is marked off with a marker, so when looking another board they claim the it MUST be the same.In my case i proven that is false,because my original board was marked as 02 and i replaced with 03.also PWB main has
a 6.3a-24v fuse @ location F9A01,also red blinking in the back of the tv in the
led-power board is normal during operation.P.s. your welcome to my old PWB
main.Leave a comment:
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Re: Mitsubishi LT-55154 Blinking Green Light?
When i first got my LT55164 the tv worked,but none of the HDMI inputs didn't
work,seems to be also an issue with PWB,one of chips for HDMI bad.So traded a tv repair shop a couple DLP-DMD chipsets.for PWB.I dont know were he had gotten it from.I replaced PWB mainboard and @ that time i got a yellow 4 blink
or 44.Put back old PWB back in,and used it as is.just no HDMI.waaaaaaaaa.We
had a new house fuse panel put in(forgot to unplug tv)when power was restored,tv has a fast green blinking light.Tryed some of the resets,nothing....Leave a comment:
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Re: Mitsubishi LT-55154 Blinking Green Light?
hi,i also have a Mitsubishi LT55164 with a fast blinking light.i traded a local tv repair guy a couple dlp-dmd chipsets for a pwb main, because before blinking light issue,my hdmi inputs were in-op.So i replaced pwb main and got a yellow 4 blink or 44?well it didn't work, tv didn't turn on,yes i plugged all in good.
because by part # has a sub part #of 01,02or03 mine was 02 to an 03. marked off with a marker(yours is 01) shop jimmy said this was the reason why the boards weren't compatiable,so i shoved board back in...Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
The power supply used to blink 3x's.and now is steady.re-check 3 ceramic fuses,ok
found Mr4030,see diodes uf4007, cant find Mur460g. what does it look like? im a nob to t.v. repair.
thanx for input, havent checked them electronically yet,sounds like my issue.
Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
i dont know if it actually has dc/dc...the link u sent for manualls,just asks is it is ok.Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
How do i check DC-DC?Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
Checked for power switch operation @ J9 , milli volts drop with pressing the power button.Were does PSON get voltage from?Shouldnt it be 2.2v ish?Leave a comment:
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Re: Vector Maxx power inverter (3000 watt)
They are Wisdom brand,3300uf,16v.Any suggestions on upgrading these caps?Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
tv set doesnt turn on,in stand-by, PSON reads .497VDC,
pressing power button changes nothing.Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
i have enclosed a picture off the web of ALMOST the same @ shop jimmy,cant get a good picture of mine.(mine m/b also has a reset button,which is not pictured)[ATTACH]52078[/ATTACH]....ok fuses,
with a/c cord plugged in,ground to chassis F1-.736VDC both sides,
F2-0.0VDC,both sides, F3-0.0VDC,both sides,F4-5.16VDC,both sides.
Also, ckecked both sides sides,of fuses with a/c cord unplugged,meter
set @ omhs with tone all ckeck ok.Re: Vizio vp422hdtv10a no audio,no video.
i have enclosed a picture off...Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
its NOT a fuse.
missing 5v and 12v.
Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
11.2mVdc,i thought meant milli volt,so,11.2milli volts dc. the first readings were with a/c cord plugged in chassis ground,unplugged all fuses read 000.1omhs.Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
Im assuming its a fuse,labled on min board as F3. 11.4mVdc, has a single white "G" on it.Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
There are 4 fuses, F1,F2,F4 are ceramic.
F1-.736Vdc
F2-1.9mVdc
F3-5.15Vdc
all r good.Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
Main board P/N# 0171-2272-2585
V50P FHDTV10a
U-4 pin #1 0.0
#2 0.0
#3 10.4mVdc
U-15 pin #1 35.7mVdc
#2 57.3mVdc
#3 10.5mVdc
U-16 pin #1 1.0mVdc
#2 0.0
#3 0.0
U-17 pin #1 0.0
#2 0.0
#3 10.5mVdc
U-18 pin #! 0.0
#2 0.0
#3 0.0
U-19 pin #1 0.0
#2...Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
H e l p...Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
[ATTACH]51372[/ATTACH] on my tv U 33 has 8 leggs an not 3. How do u ckeck for power saving mode? Did flow chart testing for monitor display nothing (pc mode).
#1 power board output +5VSB,F4? 5.3VSB F4 5.1V
#2 J1 connector of MB good? yes
#3 Is DC/DC ok?
i skipped #3 ckecked #4 real quick ck U 22 Pin#2 3.0V yes 3.0V
Now # 3 DC-DC ok? went to DC/DC converter flow chart,
#1 voltage is about 5V(5VSB) yes 5.3V
#2 check power board,yep,its still there,
#3 check power cable,F4ok?...Leave a comment:
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Re: Vizio vp422hdtv10a no audio,no video.
Thank u for resonding so quickly.i have reveiwed the info that u had sent,did watch that u tube vidieo before. it was similar but that set @ least turned on.
my set dosent turn on @ all. so some of the readings were simalar, or none @ all.Reveiwed the flow chart,some findings lead me to power supply.Before i did anything to the set found w3 micom board on power suooly was flashing twice, power supply legend states that D5v/vg/12V m.i.a.now is steady with
still no voltages.Ugh!!!!!think power suply issues.Leave a comment:
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Vector Maxx power inverter (3000 watt)
Wow,15 of 24 caps blown...[ATTACH]51197[/ATTACH]got some soldering to do...lol.Wow,15 of 24 caps blown...[ATTACH]51197[/ATTACH]got some soldering to do...lol....
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