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Sumsung reprojection stop working as we were watching it to coulor change and a small line came up on the srceen then it just turned it self off.It is 4 years old and has 3 colour round tubes behind the screen model numer is SP-54T5HP/MODEL CODE VERSION 1/TYPE NO-CM54T6 sO DO I NEED TO BUY NEW COLOUE TUBES FOR IT OR IS IT SOMETHING ELSE.

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What kind of line came up did it come up in the middle of the screen or was it a solid colored screen with arched lines through it....need more info on what its doing

Posted on May 10, 2008

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RCA R52WH73 PICTURE WORKING GREAT JUST SOUND


Audio is processed on the small signal board. It may be the audio output or you may need to replace the small signal board if you have noticed the sett shutting off evry once in a while. The small signal board having problems is very famous in RCA ITC222 and the ITC222A series.

Jul 19, 2010 | RCA R52WH73 Projection Television

1 Answer

I was watching my kp61v80 and the screen went black-can you give me the trouble codes for the flashing standby light


Diagnosis item
TIMER/STANDBY
Indicater
Number of blinks
Supposed malfunction Condition
Self-diagnosis
screen display,
Diagnosis item: Results
•Power not ON 0
[Standby Power Supply System]
F601 open.
R607 open.
Q601 short circuit
[Main Power Supply System]
IC601 and R612 are broken.
VDR601 short-circuit
Cannot turn on the power.
LED doesn't blink.
+B OCP detection 2times Short circuit of power supply system in each circuit.
Goes to the standby mode
Short circuit of +B line
2 : +B OCP 000
+B OVP detection 3 times
T603 pin 78 open.
R672 open.
Goes to the standby mode
Malfunction of power supply circuit
3 : +B OVP 000
Vertical deflection stop 4 times
IC1509(V out) is broken.
Q1505(V Pulse Buffer) is broken.
Raster goes to one line horizontally, Aand then video
signal is muted.
4 : V Stop 000
Video out abnormality detection 5 times
Video out, Q705, 732, 761 and others in C board
circuit.
Q218, 219, 220 (A board)
TIMER/STANDBY LED blinks approx. 30 seconds,
and then blinks for the self diagnosis.
5 : AKB 000
Horizontal deflection stop 6 times
C515, 516 open.
IC206(YC Jungle) is broken.
Raster doesn't appear. 6 : H Stop 000
Audio abnormality detection 8 times
IC406(Audio amp.) is broken.
PS401, 402 open.
The sound is not out.
Goes to the standby mode
8 : Audio 000

Jun 17, 2009 | Projection Televisions

1 Answer

Lcd srceen


This sounds like screen burn, or image persistence.

Jan 05, 2009 | Sharp Projection Televisions

1 Answer

No picture, no sound


the power supply for the convergence circuit is not working, check for open resistor on the primary

Nov 24, 2008 | RCA P52926 52" Rear Projection Television

1 Answer

Possible spider web inside of reprojection Tv


Hi,
Yyou can clean screen's internal side by takeing off back cover of tv. Belo is picture how to open back cover.

db659cb.jpg

Sep 24, 2008 | Sony KP-46WT500 46" Rear Projection...

1 Answer

I have sony rear reprojection tv it needs mobile serviceman ,has blue screen picture come back then blue screen


Use "Repair Service" option to locate mobile serviceman near you, available on www.fix.com main page.

Aug 02, 2008 | Projection Televisions

1 Answer

My reprojection tv turned it self of but before it happen the colour change and a line came on the screen it a samsung 4 years old


Whats the model number of your samsung? I need that to help you, and also how did the color change before it shut off?

May 10, 2008 | Projection Televisions

1 Answer

MITSUBISHI TV STOPPED WORKING


If you can do self test diagnosis, read threads here on Mits, or goto ctechnicians.com

Dec 16, 2007 | Projection Televisions

1 Answer

Wavy junping horizontal lines


Requires the hyper board to be repaired . Has to be sent to Toshiba, unless you can change around 15 surface mount capacitors, They usually charge around 420 to 450 Canadian

Aug 31, 2007 | Toshiba 50H81 50" Rear Projection...

1 Answer

57" Toshiba with wavy green/red lines "good overall picture"


Appears to be a convergence problem, the chips are located on large aluminum heat sinks. Check near the 2 or 3, STK IC's for + and - voltage usually 20 to 25vdc. If 1 or both are missing, check microfuses. They should both be close to equal in voltage reading, if not, turn set off after it has been on for 10 minutes, feel the heat sinks at each IC,if one is hotter than the other, replace both IC's or all 3 if it has them. Now check the small low ohmage resisters in and around the STK IC's and you will most likely find a few burnt or discolored and have changed in value, replace these or the new chips installed will self destruct.

Jun 26, 2007 | Toshiba 57H81 57" Rear Projection...

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