Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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Dead set when i switch on my CRT t.v. there's no power at all

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1 Answer

Why does the power switch does not turn on tv?


You likely have a problem in the power supply of the set or in another area.

If the power light is on and or blinking count the blinks to see if a sequence or not---If total dead (no power light etc) follow cord for power inside the set to the line fuse that is there.

Dec 20, 2012 | Sony FD Trinitron WEGA KV-27FV310 27" TV

1 Answer

On and off switch won't work LEDVDD2488A-B


ITS MOST LIKELY a problem in the power supply of the unit or something connected to it that is stopping the set from coming on.

If total dead look for a bad fuse or even damaged parts on the board.

Dec 18, 2012 | Televison & Video

1 Answer

My TV has dead but not same of the 1st and 2nd time,and the switching regulator has be protected.


The set shuts down after one or more times? It is called shutdown and the set is protecting itself.

Apr 17, 2012 | Sharp Televison & Video

1 Answer

No power dead set 5en aoc monitor


just try to change the horizontal transistor C5386 or CXXXX... with a new one....

Feb 22, 2009 | AOC 5 En 15" CRT Monitor

1 Answer

TV dead; unresponsive, no raster, nothing.


You may have lost the standby power supply. There should be a 5v supply that runs with the set in standby, see if you can find that. Also check for B+ (around 160VDC) at the large filter capacitors in the power supply.

Oct 06, 2008 | Toshiba 36A60 36" TV

1 Answer

Doesn't respond


Compaq MV 540 (old dog monitors) DEAD 100% DEAD.
OSD dead too. it seems.
built in year 2000, its 17 years old, and you fix things that old
why> why do that, used LCD can be had for 20 bucks.
why slave over any relic CRT like this,,, for a musiem??
using the VGA cable
the monitor will go to sleep, lacking any PC sync lines Vert/horz
by design per VESA rules on that !
step one , use a PC.
set the PC up to do the max resolution on the CRT
some PC cant do that, (new PC)
im reading your users guide now, 1sec, google , hit.
first force the PC to 1024x768 resolution and 60 vert. refresh max.
now the CRT can work an not any of above number higher .
see? use working monitor to do that FIRST.

now plug in the vga,cable last. on the monitor under test.


power led means
green = power ok
amber or yellow are sleep or standby.
so that means, there is no sync.
or if the OSD works (does it>) turn the silly sleep timer off in the monitor. via OSD .

the operators guide, tells you to go to PC safe mode.
this mode sets reso real low. 800x600 and all monitors work there.
no sleep timer inside monitor i can find.,

lots of ways for any CRT to fail even the CRT itself
(loss of sweep)
loss of cathode video drive
the VGA card inside, can fail. killing dead all cathod drive.
the power supplies or regs inside can fail.
the HV can fail. 10,000 volts (dont touch it if long life is good)
some survive, or fly back hit head on wall and crush skull,
seen it and done it so,,, there you go.(ripped gash in arm once)
the 2nd anode is very high voltage, avoid it, and win,.
respect it.

Sep 20, 2017 | Compaq MV 540 15" CRT Monitor

2 Answers

Panasonic TX14S2T


What are the symptoms? Is the set dead? Please clarify

model number from back of set...The red power light coming on means the AC fuse is OK, but the B+ fuse may be bad. If that

is true,check the horiz o/p xistor and get back to me....T.

Oct 20, 2007 | Panasonic CT-27G14 27" TV

1 Answer

Nec tv dead set


ok ur tv has no second oscillation check all oscillation circuit. check the horizontal output! check the switching transistor around at the chopper supply.

Sep 06, 2007 | Jensen TS2750J TV

1 Answer

Lg 5552 v set is dead


try to resolder all points in fbt including fly back trans itself area also resolder the crt pcb area i had the same problem the reason was cold soders also put a good 2sc5297 for hor out.

Dec 02, 2006 | LG Studioworks 552V 15" CRT Monitor

1 Answer

Dead power supply power across the bridge 700 volts across the main capacitor indicating smps is filtering


sounds like you have a dead switching suppy. On these sets the best way to trouble shoot the power suppy is disconnect the horizontsl output and measure it Is it shorted yes replace the fly and the transistor and resolder several cold joints in the horizontal drive curcuit as well as in the main switching supply. If the HOT not shorted then your gonna need a service manual unless you shotgun the repair. Good Luck

Apr 18, 2006 | HP Pavilion M703c 17 in.CRT Conventional...

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