Question about Sony KP-53S70 53" Rear Projection Television

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SonyKP-53S70 No power, red led blinks

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  • Any Guy
    Any Guy May 11, 2010

    How many times does the red light blink?

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I will check how many times the led blink when I get home tonight. won't be until after 10:00 Central.

Posted on Oct 24, 2008

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3 Answers

Sony 53s70 rear projection tv


Using remote control might not turning on the TV. Can you please try to use CH+ or CH- buttons on TV side. If issue still persist consult to a qualified hands on technician as Issue might be internal power supply related.

Good Luck

Jan 01, 2008 | Projection Televisions

1 Answer

Screen went black you could still hear the tv, timer/standby light is blinking. Is there a projection bulb that goes out. Can this be an easy fix?


U have a LED light indicator said lamp on ur tv?It is blinking?If the LED indicator said lamp is blinking.Than yes,ur projection bulb require changing.Yes replacing bulb pretty easy.

May 01, 2010 | Sony KP-53S70 53" Rear Projection...

1 Answer

My Tv made pop sound and now the red lifgt blinks 4 times.. And no picture. any idea what I need to do and the cost?


Hi,it sounds like you lamp went bad.If your tv is between 2-4 yrs it will be the lamp that needs replacement,The red indicator is indicating there's an issue with the lamp.Try this websites discount-merchant or, discounttvlamps, They carry the original brands.

Oct 05, 2009 | Sony KP-53S70 53" Rear Projection...

1 Answer

Sony KP-53S70 projector will not power up, no picture;


you have a bad crytical safety cap.replace C517 value 102k at 2kv.

Sep 19, 2009 | Sony KP-53S70 53" Rear Projection...

1 Answer

Sony kp-46wt520 will not turn on


Mine was "G-Board"
(Power supply board)
Removed it myself and sent it here: http://servicesales.sel.sony.com/ecom/accessories/web/productSearch.do
Call number on here...
Its a sony place in Penn.
They repaired it for $88...tv repairman had quoted me $400

Dec 31, 2008 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Can't find the cooling fan


Unfortunately, you apparently got information from someone who has not had training on your set. A 4 flash on your set indicates a vertical stop, meaning that the vertical drive circuit has shutdown. Possible causes are a bad vertical drive or vertical output IC. I can't be more specific because I would have to check a couple of things, starting with the 135 volt power supply line to see if it is coming up. You can stop looking for a cooling fan because this set does not have one.

Nov 10, 2008 | Sony KP-53S70 53" Rear Projection...

1 Answer

Help w/ the flashing green light


Good Day;

Cause #1 1. Red status LED, self-diagnosis error 44, check for open F9A06 on the Power PCB part # 283P128050 on the Power PCB 2. Red lamp LED, self diagnosis error 34. Check for 5-volts DC at J-9 connector pin 1 and 2 on the Engine Driver PCB if missing replace the Power PCB part # 930B921002 3. LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature, this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds 4. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector LE pin 3 and 4 on the Control PCB, if low suspect problems with the switches/buttons on the Control PCB part # 935D776001 5. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector LE pin 3 and 4 check good. Suspect the E2P PCB part # 934C121001 6. (LED does not stop blinking after plug in) Disconnect the USB connector from the card reader to the front from the Chassis, if the LED stops blinking after 70 seconds replace the Card Reader part # 299P271010. 7. (LED does not stop blinking after plug in) Disconnecting the USB connector from the Card Reader did not help. Remove connector FC from the FMT PCB and plug the unit in, if the LED stops blinking after 70 seconds with FC removed suspect a problem on the FMT PCB (part # 930B924002), if the LED keeps blinking with connector FC removed suspect a problem on the DM PCB (part # 934C116002). 8. (LED does not stop blinking after plug in) On the DM PCB (part # 934C116002) check C81A2, C81A3, C81B3 and C81B4 (1000 UFD, 16V, 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C). See Service Tip VS-78A 9. (LED does not stop blinking after plug in) On the FMT PCB (part # 930B924002) check C8F19, C8F21, C8F22, and C8F27 (16V 1000 UFD 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V, 105C). Good Luck, big IRISH.

Oct 19, 2008 | Mitsubishi WD-52725 52". Rear Projection...

1 Answer

Power LED blinks red


it is a bad fan. it also could be a power supply. Quite often the real problem is dirt clogging up the fan(s) to the point that they need to be replaced. Operation of the set in a dirty environment is not a good idea

Feb 26, 2008 | Sony KDS-60A2000 60" HDTV

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